This is the code that runs https://bandolier.learnjsthehardway.com/ for you to review. It uses the https://git.learnjsthehardway.com/learn-javascript-the-hard-way/bandolier-template to create the documentation for the project.
https://bandolier.learnjsthehardway.com/
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16 lines
863 KiB
16 lines
863 KiB
(function(f){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=f();else if("function"==typeof define&&define.amd)define([],f);else{var g;g="undefined"==typeof window?"undefined"==typeof global?"undefined"==typeof self?this:self:global:window,g.WebTorrent=f()}})(function(){var _MathLN=Math.LN2,_Mathlog2=Math.log,_Mathpow=Math.pow,_Mathabs=Math.abs,_Mathfloor=Math.floor,_Mathround=Math.round,_Mathsin=Math.sin,_Mathcos=Math.cos,_MathPI=Math.PI,_Mathimul=Math.imul,_Mathclz=Math.clz32,_StringfromCharCode=String.fromCharCode,_Mathmax=Math.max,_Mathceil=Math.ceil,_Mathmin=Math.min,define;return function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r}()({1:[function(require,module){const stream=require("stream"),debugFactory=require("debug"),eos=require("end-of-stream"),debug=debugFactory("webtorrent:file-stream");class FileStream extends stream.Readable{constructor(file,opts){super(opts),this._torrent=file._torrent;const start=opts&&opts.start||0,end=opts&&opts.end&&opts.end<file.length?opts.end:file.length-1,pieceLength=file._torrent.pieceLength;this._startPiece=0|(start+file.offset)/pieceLength,this._endPiece=0|(end+file.offset)/pieceLength,this._piece=this._startPiece,this._offset=start+file.offset-this._startPiece*pieceLength,this._missing=end-start+1,this._reading=!1,this._notifying=!1,this._criticalLength=_Mathmin(0|1048576/pieceLength,2),this._torrent.select(this._startPiece,this._endPiece,!0,()=>{this._notify()}),eos(this,err=>{this.destroy(err)})}_read(){this._reading||(this._reading=!0,this._notify())}_notify(){if(!this._reading||0===this._missing)return;if(!this._torrent.bitfield.get(this._piece))return this._torrent.critical(this._piece,this._piece+this._criticalLength);if(this._notifying)return;if(this._notifying=!0,this._torrent.destroyed)return this.destroy(new Error("Torrent removed"));const p=this._piece,getOpts={};p===this._torrent.pieces.length-1&&(getOpts.length=this._torrent.lastPieceLength),this._torrent.store.get(p,getOpts,(err,buffer)=>{if(this._notifying=!1,!this.destroyed)return debug("read %s (length %s) (err %s)",p,buffer&&buffer.length,err&&err.message),err?this.destroy(err):void(this._offset&&(buffer=buffer.slice(this._offset),this._offset=0),this._missing<buffer.length&&(buffer=buffer.slice(0,this._missing)),this._missing-=buffer.length,debug("pushing buffer of length %s",buffer.length),this._reading=!1,this.push(buffer),0===this._missing&&this.push(null))}),this._piece+=1}_destroy(err,cb){this._torrent.destroyed||this._torrent.deselect(this._startPiece,this._endPiece,!0),cb(err)}}module.exports=FileStream},{debug:90,"end-of-stream":120,stream:255}],2:[function(require,module){const EventEmitter=require("events"),{PassThrough}=require("stream"),path=require("path"),render=require("render-media"),streamToBlob=require("stream-to-blob"),streamToBlobURL=require("stream-to-blob-url"),streamToBuffer=require("stream-with-known-length-to-buffer"),queueMicrotask=require("queue-microtask"),rangeParser=require("range-parser"),mime=require("mime"),eos=require("end-of-stream"),FileStream=require("./file-stream.js");class File extends EventEmitter{constructor(torrent,file){super(),this._torrent=torrent,this._destroyed=!1,this._fileStreams=new Set,this.name=file.name,this.path=file.path,this.length=file.length,this.offset=file.offset,this.done=!1;const start=file.offset,end=start+file.length-1;this._startPiece=0|start/this._torrent.pieceLength,this._endPiece=0|end/this._torrent.pieceLength,0===this.length&&(this.done=!0,this.emit("done")),this._serviceWorker=torrent.client.serviceWorker}get downloaded(){if(this._destroyed||!this._torrent.bitfield)return 0;const{pieces,bitfield,pieceLength,lastPieceLength}=this._torrent,{_startPiece:start,_endPiece:end}=this,getPieceLength=pieceIndex=>pieceIndex===pieces.length-1?lastPieceLength:pieceLength,getPieceDownloaded=pieceIndex=>{const len=pieceIndex===pieces.length-1?lastPieceLength:pieceLength;return bitfield.get(pieceIndex)?len:len-pieces[pieceIndex].missing};let downloaded=0;for(let index=start;index<=end;index+=1){const pieceDownloaded=getPieceDownloaded(index);if(downloaded+=pieceDownloaded,index===start){const irrelevantFirstPieceBytes=this.offset%pieceLength;downloaded-=_Mathmin(irrelevantFirstPieceBytes,pieceDownloaded)}if(index===end){const irrelevantLastPieceBytes=getPieceLength(end)-(this.offset+this.length)%pieceLength;downloaded-=_Mathmin(irrelevantLastPieceBytes,pieceDownloaded)}}return downloaded}get progress(){return this.length?this.downloaded/this.length:0}select(priority){0===this.length||this._torrent.select(this._startPiece,this._endPiece,priority)}deselect(){0===this.length||this._torrent.deselect(this._startPiece,this._endPiece,!1)}createReadStream(opts){if(0===this.length){const empty=new PassThrough;return queueMicrotask(()=>{empty.end()}),empty}const fileStream=new FileStream(this,opts);return this._fileStreams.add(fileStream),fileStream.once("close",()=>{this._fileStreams.delete(fileStream)}),fileStream}getBuffer(cb){streamToBuffer(this.createReadStream(),this.length,cb)}getBlob(cb){if("undefined"==typeof window)throw new Error("browser-only method");streamToBlob(this.createReadStream(),this._getMimeType()).then(blob=>cb(null,blob),err=>cb(err))}getBlobURL(cb){if("undefined"==typeof window)throw new Error("browser-only method");streamToBlobURL(this.createReadStream(),this._getMimeType()).then(blobUrl=>cb(null,blobUrl),err=>cb(err))}appendTo(elem,opts,cb){if("undefined"==typeof window)throw new Error("browser-only method");render.append(this,elem,opts,cb)}renderTo(elem,opts,cb){if("undefined"==typeof window)throw new Error("browser-only method");render.render(this,elem,opts,cb)}_serve(req){const res={status:200,headers:{"Accept-Ranges":"bytes","Content-Type":mime.getType(this.name),"Cache-Control":"no-cache, no-store, must-revalidate, max-age=0",Expires:"0"},body:"HEAD"===req.method?"":"STREAM"};"document"===req.destination&&(res.headers["Content-Type"]="application/octet-stream",res.headers["Content-Disposition"]="attachment",res.body="DOWNLOAD");let range=rangeParser(this.length,req.headers.range||"");range.constructor===Array?(res.status=206,range=range[0],res.headers["Content-Range"]=`bytes ${range.start}-${range.end}/${this.length}`,res.headers["Content-Length"]=`${range.end-range.start+1}`):res.headers["Content-Length"]=this.length;const stream="GET"===req.method&&this.createReadStream(range);let pipe=null;return stream&&this.emit("stream",{stream,req,file:this},piped=>{pipe=piped,eos(piped,()=>{piped&&piped.destroy(),stream.destroy()})}),[res,pipe||stream,pipe&&stream]}getStreamURL(cb=()=>{}){if("undefined"==typeof window)throw new Error("browser-only method");if(!this._serviceWorker)throw new Error("No worker registered");if("activated"!==this._serviceWorker.state)throw new Error("Worker isn't activated");const workerPath=this._serviceWorker.scriptURL.slice(0,this._serviceWorker.scriptURL.lastIndexOf("/")+1).slice(window.location.origin.length),url=`${workerPath}webtorrent/${this._torrent.infoHash}/${encodeURI(this.path)}`;cb(null,url)}streamTo(elem,cb=()=>{}){if("undefined"==typeof window)throw new Error("browser-only method");if(!this._serviceWorker)throw new Error("No worker registered");if("activated"!==this._serviceWorker.state)throw new Error("Worker isn't activated");const workerPath=this._serviceWorker.scriptURL.slice(0,this._serviceWorker.scriptURL.lastIndexOf("/")+1).slice(window.location.origin.length);elem.src=`${workerPath}webtorrent/${this._torrent.infoHash}/${encodeURI(this.path)}`,cb(null,elem)}_getMimeType(){return render.mime[path.extname(this.name).toLowerCase()]}_destroy(){this._destroyed=!0,this._torrent=null;for(const fileStream of this._fileStreams)fileStream.destroy();this._fileStreams.clear()}}module.exports=File},{"./file-stream.js":1,"end-of-stream":120,events:122,mime:163,path:184,"queue-microtask":205,"range-parser":210,"render-media":228,stream:255,"stream-to-blob":261,"stream-to-blob-url":260,"stream-with-known-length-to-buffer":262}],3:[function(require,module,exports){const EventEmitter=require("events"),{Transform}=require("stream"),arrayRemove=require("unordered-array-remove"),debugFactory=require("debug"),Wire=require("bittorrent-protocol"),debug=debugFactory("webtorrent:peer");let secure=!1;exports.enableSecure=()=>{secure=!0},exports.createWebRTCPeer=(conn,swarm,throttleGroups)=>{const peer=new Peer(conn.id,"webrtc");if(peer.conn=conn,peer.swarm=swarm,peer.throttleGroups=throttleGroups,peer.conn.connected)peer.onConnect();else{const cleanup=()=>{peer.conn.removeListener("connect",onConnect),peer.conn.removeListener("error",onError)},onConnect=()=>{cleanup(),peer.onConnect()},onError=err=>{cleanup(),peer.destroy(err)};peer.conn.once("connect",onConnect),peer.conn.once("error",onError),peer.startConnectTimeout()}return peer},exports.createTCPIncomingPeer=(conn,throttleGroups)=>_createIncomingPeer(conn,"tcpIncoming",throttleGroups),exports.createUTPIncomingPeer=(conn,throttleGroups)=>_createIncomingPeer(conn,"utpIncoming",throttleGroups),exports.createTCPOutgoingPeer=(addr,swarm,throttleGroups)=>_createOutgoingPeer(addr,swarm,"tcpOutgoing",throttleGroups),exports.createUTPOutgoingPeer=(addr,swarm,throttleGroups)=>_createOutgoingPeer(addr,swarm,"utpOutgoing",throttleGroups);const _createIncomingPeer=(conn,type,throttleGroups)=>{const addr=`${conn.remoteAddress}:${conn.remotePort}`,peer=new Peer(addr,type);return peer.conn=conn,peer.addr=addr,peer.throttleGroups=throttleGroups,peer.onConnect(),peer},_createOutgoingPeer=(addr,swarm,type,throttleGroups)=>{const peer=new Peer(addr,type);return peer.addr=addr,peer.swarm=swarm,peer.throttleGroups=throttleGroups,peer};exports.createWebSeedPeer=(conn,id,swarm,throttleGroups)=>{const peer=new Peer(id,"webSeed");return peer.swarm=swarm,peer.conn=conn,peer.throttleGroups=throttleGroups,peer.onConnect(),peer};class Peer extends EventEmitter{constructor(id,type){super(),this.id=id,this.type=type,debug("new %s Peer %s",type,id),this.addr=null,this.conn=null,this.swarm=null,this.wire=null,this.connected=!1,this.destroyed=!1,this.timeout=null,this.retries=0,this.sentPe1=!1,this.sentPe2=!1,this.sentPe3=!1,this.sentPe4=!1,this.sentHandshake=!1}onConnect(){if(!this.destroyed){this.connected=!0,debug("Peer %s connected",this.id),clearTimeout(this.connectTimeout);const conn=this.conn;conn.once("end",()=>{this.destroy()}),conn.once("close",()=>{this.destroy()}),conn.once("finish",()=>{this.destroy()}),conn.once("error",err=>{this.destroy(err)});const wire=this.wire=new Wire(this.type,this.retries,secure);wire.once("end",()=>{this.destroy()}),wire.once("close",()=>{this.destroy()}),wire.once("finish",()=>{this.destroy()}),wire.once("error",err=>{this.destroy(err)}),wire.once("pe1",()=>{this.onPe1()}),wire.once("pe2",()=>{this.onPe2()}),wire.once("pe3",()=>{this.onPe3()}),wire.once("pe4",()=>{this.onPe4()}),wire.once("handshake",(infoHash,peerId)=>{this.onHandshake(infoHash,peerId)}),this.startHandshakeTimeout(),this.setThrottlePipes(),this.swarm&&("tcpOutgoing"===this.type?secure&&0===this.retries&&!this.sentPe1?this.sendPe1():!this.sentHandshake&&this.handshake():"tcpIncoming"!==this.type&&!this.sentHandshake&&this.handshake())}}sendPe1(){this.wire.sendPe1(),this.sentPe1=!0}onPe1(){this.sendPe2()}sendPe2(){this.wire.sendPe2(),this.sentPe2=!0}onPe2(){this.sendPe3()}sendPe3(){this.wire.sendPe3(this.swarm.infoHash),this.sentPe3=!0}onPe3(infoHashHash){this.swarm&&(this.swarm.infoHashHash!==infoHashHash&&this.destroy(new Error("unexpected crypto handshake info hash for this swarm")),this.sendPe4())}sendPe4(){this.wire.sendPe4(this.swarm.infoHash),this.sentPe4=!0}onPe4(){this.sentHandshake||this.handshake()}clearPipes(){this.conn.unpipe(),this.wire.unpipe()}setThrottlePipes(){const self=this;this.conn.pipe(this.throttleGroups.down.throttle()).pipe(new Transform({transform(chunk,_,callback){self.emit("download",chunk.length);self.destroyed||callback(null,chunk)}})).pipe(this.wire).pipe(this.throttleGroups.up.throttle()).pipe(new Transform({transform(chunk,_,callback){self.emit("upload",chunk.length);self.destroyed||callback(null,chunk)}})).pipe(this.conn)}onHandshake(infoHash,peerId){if(!this.swarm)return;if(this.destroyed)return;if(this.swarm.destroyed)return this.destroy(new Error("swarm already destroyed"));if(infoHash!==this.swarm.infoHash)return this.destroy(new Error("unexpected handshake info hash for this swarm"));if(peerId===this.swarm.peerId)return this.destroy(new Error("refusing to connect to ourselves"));debug("Peer %s got handshake %s",this.id,infoHash),clearTimeout(this.handshakeTimeout),this.retries=0;let addr=this.addr;!addr&&this.conn.remoteAddress&&this.conn.remotePort&&(addr=`${this.conn.remoteAddress}:${this.conn.remotePort}`),this.swarm._onWire(this.wire,addr);this.swarm&&!this.swarm.destroyed&&(this.sentHandshake||this.handshake())}handshake(){const opts={dht:!this.swarm.private&&!!this.swarm.client.dht,fast:!0};this.wire.handshake(this.swarm.infoHash,this.swarm.client.peerId,opts),this.sentHandshake=!0}startConnectTimeout(){clearTimeout(this.connectTimeout);this.connectTimeout=setTimeout(()=>{this.destroy(new Error("connect timeout"))},{webrtc:25e3,tcpOutgoing:5e3,utpOutgoing:5e3}[this.type]),this.connectTimeout.unref&&this.connectTimeout.unref()}startHandshakeTimeout(){clearTimeout(this.handshakeTimeout),this.handshakeTimeout=setTimeout(()=>{this.destroy(new Error("handshake timeout"))},25e3),this.handshakeTimeout.unref&&this.handshakeTimeout.unref()}destroy(err){if(this.destroyed)return;this.destroyed=!0,this.connected=!1,debug("destroy %s %s (error: %s)",this.type,this.id,err&&(err.message||err)),clearTimeout(this.connectTimeout),clearTimeout(this.handshakeTimeout);const swarm=this.swarm,conn=this.conn,wire=this.wire;this.swarm=null,this.conn=null,this.wire=null,swarm&&wire&&arrayRemove(swarm.wires,swarm.wires.indexOf(wire)),conn&&(conn.on("error",()=>{}),conn.destroy()),wire&&wire.destroy(),swarm&&swarm.removePeer(this.id)}}},{"bittorrent-protocol":32,debug:90,events:122,stream:255,"unordered-array-remove":272}],4:[function(require,module){module.exports=class{constructor(torrent){this._torrent=torrent,this._numPieces=torrent.pieces.length,this._pieces=Array(this._numPieces),this._onWire=wire=>{this.recalculate(),this._initWire(wire)},this._onWireHave=index=>{this._pieces[index]+=1},this._onWireBitfield=()=>{this.recalculate()},this._torrent.wires.forEach(wire=>{this._initWire(wire)}),this._torrent.on("wire",this._onWire),this.recalculate()}getRarestPiece(pieceFilterFunc){let candidates=[],min=1/0;for(let i=0;i<this._numPieces;++i){if(pieceFilterFunc&&!pieceFilterFunc(i))continue;const availability=this._pieces[i];availability===min?candidates.push(i):availability<min&&(candidates=[i],min=availability)}return candidates.length?candidates[0|Math.random()*candidates.length]:-1}destroy(){this._torrent.removeListener("wire",this._onWire),this._torrent.wires.forEach(wire=>{this._cleanupWireEvents(wire)}),this._torrent=null,this._pieces=null,this._onWire=null,this._onWireHave=null,this._onWireBitfield=null}_initWire(wire){wire._onClose=()=>{this._cleanupWireEvents(wire);for(let i=0;i<this._numPieces;++i)this._pieces[i]-=wire.peerPieces.get(i)},wire.on("have",this._onWireHave),wire.on("bitfield",this._onWireBitfield),wire.once("close",wire._onClose)}recalculate(){this._pieces.fill(0);for(const wire of this._torrent.wires)for(let i=0;i<this._numPieces;++i)this._pieces[i]+=wire.peerPieces.get(i)}_cleanupWireEvents(wire){wire.removeListener("have",this._onWireHave),wire.removeListener("bitfield",this._onWireBitfield),wire._onClose&&wire.removeListener("close",wire._onClose),wire._onClose=null}}},{}],5:[function(require,module){(function(process,global){(function(){function getBlockPipelineLength(wire,duration){let length=2+_Mathceil(duration*wire.downloadSpeed()/Piece.BLOCK_LENGTH);if(wire.peerExtendedHandshake){const reqq=wire.peerExtendedHandshake.reqq;"number"==typeof reqq&&0<reqq&&(length=_Mathmin(length,reqq))}return length}function getPiecePipelineLength(wire,duration,pieceLength){return 1+_Mathceil(duration*wire.downloadSpeed()/pieceLength)}function randomInt(high){return 0|Math.random()*high}function noop(){}const EventEmitter=require("events"),fs=require("fs"),net=require("net"),os=require("os"),path=require("path"),addrToIPPort=require("addr-to-ip-port"),{default:BitField}=require("bitfield"),CacheChunkStore=require("cache-chunk-store"),ChunkStoreWriteStream=require("chunk-store-stream/write"),cpus=require("cpus"),debugFactory=require("debug"),Discovery=require("torrent-discovery"),FSChunkStore=require("fs-chunk-store"),get=require("simple-get"),ImmediateChunkStore=require("immediate-chunk-store"),ltDontHave=require("lt_donthave"),MemoryChunkStore=require("memory-chunk-store"),MultiStream=require("multistream"),parallel=require("run-parallel"),parallelLimit=require("run-parallel-limit"),parseTorrent=require("parse-torrent"),Piece=require("torrent-piece"),pump=require("pump"),queueMicrotask=require("queue-microtask"),randomIterate=require("random-iterate"),sha1=require("simple-sha1"),speedometer=require("speedometer"),utMetadata=require("ut_metadata"),utPex=require("ut_pex"),File=require("./file.js"),Peer=require("./peer.js"),RarityMap=require("./rarity-map.js"),Server=require("./server.js"),utp=require("./utp.js"),WebConn=require("./webconn.js"),debug=debugFactory("webtorrent:torrent"),CHOKE_TIMEOUT=5e3,SPEED_THRESHOLD=3*Piece.BLOCK_LENGTH,PIPELINE_MAX_DURATION=1,FILESYSTEM_CONCURRENCY=process.browser?cpus().length:2,RECONNECT_WAIT=[1e3,5e3,15e3],VERSION=require("../package.json").version,USER_AGENT=`WebTorrent/${VERSION} (https://webtorrent.io)`;let TMP;try{TMP=path.join(fs.statSync("/tmp")&&"/tmp","webtorrent")}catch(err){TMP=path.join("function"==typeof os.tmpdir?os.tmpdir():"/","webtorrent")}class Torrent extends EventEmitter{constructor(torrentId,client,opts){super(),this._debugId="unknown infohash",this.client=client,this.withCredentials=opts.withCredentials,this.announce=opts.announce,this.urlList=opts.urlList,this.path=opts.path||TMP,this.addUID=opts.addUID||!1,this.skipVerify=!!opts.skipVerify,this._store=opts.store||FSChunkStore,this._preloadedStore=opts.preloadedStore||null,this._storeCacheSlots=opts.storeCacheSlots===void 0?20:opts.storeCacheSlots,this._destroyStoreOnDestroy=opts.destroyStoreOnDestroy||!1,this._getAnnounceOpts=opts.getAnnounceOpts,"boolean"==typeof opts.private&&(this.private=opts.private),this.strategy=opts.strategy||"sequential",this.maxWebConns=opts.maxWebConns||4,this._rechokeNumSlots=!1===opts.uploads||0===opts.uploads?0:+opts.uploads||10,this._rechokeOptimisticWire=null,this._rechokeOptimisticTime=0,this._rechokeIntervalId=null,this.ready=!1,this.destroyed=!1,this.paused=opts.paused||!1,this.done=!1,this.metadata=null,this.store=null,this.storeOpts=opts.storeOpts,this.files=[],this.pieces=[],this._amInterested=!1,this._selections=[],this._critical=[],this.wires=[],this._queue=[],this._peers={},this._peersLength=0,this.received=0,this.uploaded=0,this._downloadSpeed=speedometer(),this._uploadSpeed=speedometer(),this._servers=[],this._xsRequests=[],this._fileModtimes=opts.fileModtimes,null!==torrentId&&this._onTorrentId(torrentId),this._debug("new torrent")}get timeRemaining(){return this.done?0:0===this.downloadSpeed?1/0:1e3*((this.length-this.downloaded)/this.downloadSpeed)}get downloaded(){if(!this.bitfield)return 0;let downloaded=0;for(let index=0,len=this.pieces.length;index<len;++index)if(this.bitfield.get(index))downloaded+=index===len-1?this.lastPieceLength:this.pieceLength;else{const piece=this.pieces[index];downloaded+=piece.length-piece.missing}return downloaded}get downloadSpeed(){return this._downloadSpeed()}get uploadSpeed(){return this._uploadSpeed()}get progress(){return this.length?this.downloaded/this.length:0}get ratio(){return this.uploaded/(this.received||this.length)}get numPeers(){return this.wires.length}get torrentFileBlobURL(){if("undefined"==typeof window)throw new Error("browser-only property");return this.torrentFile?URL.createObjectURL(new Blob([this.torrentFile],{type:"application/x-bittorrent"})):null}get _numQueued(){return this._queue.length+(this._peersLength-this._numConns)}get _numConns(){let numConns=0;for(const id in this._peers)this._peers[id].connected&&(numConns+=1);return numConns}_onTorrentId(torrentId){if(this.destroyed)return;let parsedTorrent;try{parsedTorrent=parseTorrent(torrentId)}catch(err){}parsedTorrent?(this.infoHash=parsedTorrent.infoHash,this._debugId=parsedTorrent.infoHash.toString("hex").substring(0,7),queueMicrotask(()=>{this.destroyed||this._onParsedTorrent(parsedTorrent)})):parseTorrent.remote(torrentId,(err,parsedTorrent)=>this.destroyed?void 0:err?this._destroy(err):void this._onParsedTorrent(parsedTorrent))}_onParsedTorrent(parsedTorrent){if(!this.destroyed){if(this._processParsedTorrent(parsedTorrent),!this.infoHash)return this._destroy(new Error("Malformed torrent data: No info hash"));(this._rechokeIntervalId=setInterval(()=>{this._rechoke()},1e4),this._rechokeIntervalId.unref&&this._rechokeIntervalId.unref(),this.emit("_infoHash",this.infoHash),!this.destroyed)&&(this.emit("infoHash",this.infoHash),this.destroyed||(this.client.listening?this._onListening():this.client.once("listening",()=>{this._onListening()})))}}_processParsedTorrent(parsedTorrent){this._debugId=parsedTorrent.infoHash.toString("hex").substring(0,7),"undefined"!=typeof this.private&&(parsedTorrent.private=this.private),this.announce&&(parsedTorrent.announce=parsedTorrent.announce.concat(this.announce)),this.client.tracker&&global.WEBTORRENT_ANNOUNCE&&!parsedTorrent.private&&(parsedTorrent.announce=parsedTorrent.announce.concat(global.WEBTORRENT_ANNOUNCE)),this.urlList&&(parsedTorrent.urlList=parsedTorrent.urlList.concat(this.urlList)),parsedTorrent.announce=Array.from(new Set(parsedTorrent.announce)),parsedTorrent.urlList=Array.from(new Set(parsedTorrent.urlList)),Object.assign(this,parsedTorrent),this.magnetURI=parseTorrent.toMagnetURI(parsedTorrent),this.torrentFile=parseTorrent.toTorrentFile(parsedTorrent)}_onListening(){this.destroyed||(this.info?this._onMetadata(this):(this.xs&&this._getMetadataFromServer(),this._startDiscovery()))}_startDiscovery(){if(this.discovery||this.destroyed)return;let trackerOpts=this.client.tracker;trackerOpts&&(trackerOpts=Object.assign({},this.client.tracker,{getAnnounceOpts:()=>{if(!this.destroyed){const opts={uploaded:this.uploaded,downloaded:this.downloaded,left:_Mathmax(this.length-this.downloaded,0)};return this.client.tracker.getAnnounceOpts&&Object.assign(opts,this.client.tracker.getAnnounceOpts()),this._getAnnounceOpts&&Object.assign(opts,this._getAnnounceOpts()),opts}}})),this.peerAddresses&&this.peerAddresses.forEach(peer=>this.addPeer(peer)),this.discovery=new Discovery({infoHash:this.infoHash,announce:this.announce,peerId:this.client.peerId,dht:!this.private&&this.client.dht,tracker:trackerOpts,port:this.client.torrentPort,userAgent:USER_AGENT,lsd:this.client.lsd}),this.discovery.on("error",err=>{this._destroy(err)}),this.discovery.on("peer",(peer,source)=>{this._debug("peer %s discovered via %s",peer,source);"string"==typeof peer&&this.done||this.addPeer(peer)}),this.discovery.on("trackerAnnounce",()=>{this.emit("trackerAnnounce"),0===this.numPeers&&this.emit("noPeers","tracker")}),this.discovery.on("dhtAnnounce",()=>{this.emit("dhtAnnounce"),0===this.numPeers&&this.emit("noPeers","dht")}),this.discovery.on("warning",err=>{this.emit("warning",err)})}_getMetadataFromServer(){function getMetadataFromURL(url,cb){function onResponse(err,res,torrent){if(self.destroyed)return cb(null);if(self.metadata)return cb(null);if(err)return self.emit("warning",new Error(`http error from xs param: ${url}`)),cb(null);if(200!==res.statusCode)return self.emit("warning",new Error(`non-200 status code ${res.statusCode} from xs param: ${url}`)),cb(null);let parsedTorrent;try{parsedTorrent=parseTorrent(torrent)}catch(err){}return parsedTorrent?parsedTorrent.infoHash===self.infoHash?void(self._onMetadata(parsedTorrent),cb(null)):(self.emit("warning",new Error(`got torrent file with incorrect info hash from xs param: ${url}`)),cb(null)):(self.emit("warning",new Error(`got invalid torrent file from xs param: ${url}`)),cb(null))}if(0!==url.indexOf("http://")&&0!==url.indexOf("https://"))return self.emit("warning",new Error(`skipping non-http xs param: ${url}`)),cb(null);let req;try{req=get.concat({url,method:"GET",headers:{"user-agent":USER_AGENT}},onResponse)}catch(err){return self.emit("warning",new Error(`skipping invalid url xs param: ${url}`)),cb(null)}self._xsRequests.push(req)}const self=this,urls=Array.isArray(this.xs)?this.xs:[this.xs],tasks=urls.map(url=>cb=>{getMetadataFromURL(url,cb)});parallel(tasks)}_onMetadata(metadata){if(this.metadata||this.destroyed)return;this._debug("got metadata"),this._xsRequests.forEach(req=>{req.abort()}),this._xsRequests=[];let parsedTorrent;if(metadata&&metadata.infoHash)parsedTorrent=metadata;else try{parsedTorrent=parseTorrent(metadata)}catch(err){return this._destroy(err)}this._processParsedTorrent(parsedTorrent),this.metadata=this.torrentFile,this.client.enableWebSeeds&&this.urlList.forEach(url=>{this.addWebSeed(url)}),this._rarityMap=new RarityMap(this),this.files=this.files.map(file=>new File(this,file));let rawStore=this._preloadedStore;if(rawStore||(rawStore=new this._store(this.pieceLength,{...this.storeOpts,torrent:this,path:this.path,files:this.files,length:this.length,name:this.name+" - "+this.infoHash.slice(0,8),addUID:this.addUID})),0<this._storeCacheSlots&&!(rawStore instanceof MemoryChunkStore)&&(rawStore=new CacheChunkStore(rawStore,{max:this._storeCacheSlots})),this.store=new ImmediateChunkStore(rawStore),this.so?this.files.forEach((v,i)=>{this.so.includes(i)?this.files[i].select():this.files[i].deselect()}):0!==this.pieces.length&&this.select(0,this.pieces.length-1,!1),this._hashes=this.pieces,this.pieces=this.pieces.map((hash,i)=>{const pieceLength=i===this.pieces.length-1?this.lastPieceLength:this.pieceLength;return new Piece(pieceLength)}),this._reservations=this.pieces.map(()=>[]),this.bitfield=new BitField(this.pieces.length),this.emit("metadata"),!this.destroyed)if(this.skipVerify)this._markAllVerified(),this._onStore();else{const onPiecesVerified=err=>err?this._destroy(err):void(this._debug("done verifying"),this._onStore());this._debug("verifying existing torrent data"),this._fileModtimes&&this._store===FSChunkStore?this.getFileModtimes((err,fileModtimes)=>{if(err)return this._destroy(err);const unchanged=this.files.map((_,index)=>fileModtimes[index]===this._fileModtimes[index]).every(x=>x);unchanged?(this._markAllVerified(),this._onStore()):this._verifyPieces(onPiecesVerified)}):this._verifyPieces(onPiecesVerified)}}getFileModtimes(cb){const ret=[];parallelLimit(this.files.map((file,index)=>cb=>{const filePath=this.addUID?path.join(this.name+" - "+this.infoHash.slice(0,8)):path.join(this.path,file.path);fs.stat(filePath,(err,stat)=>err&&"ENOENT"!==err.code?cb(err):void(ret[index]=stat&&stat.mtime.getTime(),cb(null)))}),FILESYSTEM_CONCURRENCY,err=>{this._debug("done getting file modtimes"),cb(err,ret)})}_verifyPieces(cb){parallelLimit(this.pieces.map((piece,index)=>cb=>{if(this.destroyed)return cb(new Error("torrent is destroyed"));const getOpts={};index===this.pieces.length-1&&(getOpts.length=this.lastPieceLength),this.store.get(index,getOpts,(err,buf)=>this.destroyed?cb(new Error("torrent is destroyed")):err?queueMicrotask(()=>cb(null)):void sha1(buf,hash=>this.destroyed?cb(new Error("torrent is destroyed")):void(hash===this._hashes[index]?(this._debug("piece verified %s",index),this._markVerified(index)):this._debug("piece invalid %s",index),cb(null))))}),FILESYSTEM_CONCURRENCY,cb)}rescanFiles(cb){if(this.destroyed)throw new Error("torrent is destroyed");cb||(cb=noop),this._verifyPieces(err=>err?(this._destroy(err),cb(err)):void(this._checkDone(),cb(null)))}_markAllVerified(){for(let index=0;index<this.pieces.length;index++)this._markVerified(index)}_markVerified(index){this.pieces[index]=null,this._reservations[index]=null,this.bitfield.set(index,!0)}_hasAllPieces(){for(let index=0;index<this.pieces.length;index++)if(!this.bitfield.get(index))return!1;return!0}_hasNoPieces(){return!this._hasMorePieces(0)}_hasMorePieces(threshold){let count=0;for(let index=0;index<this.pieces.length;index++)if(this.bitfield.get(index)&&(count+=1,count>threshold))return!0;return!1}_onStore(){this.destroyed||(this._debug("on store"),this._startDiscovery(),this.ready=!0,this.emit("ready"),this._checkDone(),this._updateSelections(),this.wires.forEach(wire=>{wire.ut_metadata&&wire.ut_metadata.setMetadata(this.metadata),this._onWireWithMetadata(wire)}))}destroy(opts,cb){return"function"==typeof opts?this.destroy(null,opts):void this._destroy(null,opts,cb)}_destroy(err,opts,cb){if("function"==typeof opts)return this._destroy(err,null,opts);if(!this.destroyed){for(const id in this.destroyed=!0,this._debug("destroy"),this.client._remove(this),clearInterval(this._rechokeIntervalId),this._xsRequests.forEach(req=>{req.abort()}),this._rarityMap&&this._rarityMap.destroy(),this._peers)this.removePeer(id);this.files.forEach(file=>{file instanceof File&&file._destroy()});const tasks=this._servers.map(server=>cb=>{server.destroy(cb)});if(this.discovery&&tasks.push(cb=>{this.discovery.destroy(cb)}),this.store){let destroyStore=this._destroyStoreOnDestroy;opts&&void 0!==opts.destroyStore&&(destroyStore=opts.destroyStore),tasks.push(cb=>{destroyStore?this.store.destroy(cb):this.store.close(cb)})}parallel(tasks,cb),err&&(0===this.listenerCount("error")?this.client.emit("error",err):this.emit("error",err)),this.emit("close"),this.client=null,this.files=[],this.discovery=null,this.store=null,this._rarityMap=null,this._peers=null,this._servers=null,this._xsRequests=null}}addPeer(peer){if(this.destroyed)throw new Error("torrent is destroyed");if(!this.infoHash)throw new Error("addPeer() must not be called before the `infoHash` event");let host;if(this.client.blocked){if("string"==typeof peer){let parts;try{parts=addrToIPPort(peer)}catch(e){return this._debug("ignoring peer: invalid %s",peer),this.emit("invalidPeer",peer),!1}host=parts[0]}else"string"==typeof peer.remoteAddress&&(host=peer.remoteAddress);if(host&&this.client.blocked.contains(host))return this._debug("ignoring peer: blocked %s",peer),"string"!=typeof peer&&peer.destroy(),this.emit("blockedPeer",peer),!1}const type=this.client.utp&&this._isIPv4(host)?"utp":"tcp",wasAdded=!!this._addPeer(peer,type);return wasAdded?this.emit("peer",peer):this.emit("invalidPeer",peer),wasAdded}_addPeer(peer,type){if(this.destroyed)return"string"!=typeof peer&&peer.destroy(),null;if("string"==typeof peer&&!this._validAddr(peer))return this._debug("ignoring peer: invalid %s",peer),null;const id=peer&&peer.id||peer;if(this._peers[id])return this._debug("ignoring peer: duplicate (%s)",id),"string"!=typeof peer&&peer.destroy(),null;if(this.paused)return this._debug("ignoring peer: torrent is paused"),"string"!=typeof peer&&peer.destroy(),null;this._debug("add peer %s",id);let newPeer;return newPeer="string"==typeof peer?"utp"===type?Peer.createUTPOutgoingPeer(peer,this,this.client.throttleGroups):Peer.createTCPOutgoingPeer(peer,this,this.client.throttleGroups):Peer.createWebRTCPeer(peer,this,this.client.throttleGroups),this._registerPeer(newPeer),"string"==typeof peer&&(this._queue.push(newPeer),this._drain()),newPeer}addWebSeed(urlOrConn){if(this.destroyed)throw new Error("torrent is destroyed");let id,conn;if("string"==typeof urlOrConn){if(id=urlOrConn,!/^https?:\/\/.+/.test(id))return this.emit("warning",new Error(`ignoring invalid web seed: ${id}`)),void this.emit("invalidPeer",id);if(this._peers[id])return this.emit("warning",new Error(`ignoring duplicate web seed: ${id}`)),void this.emit("invalidPeer",id);conn=new WebConn(id,this)}else{if(!(urlOrConn&&"string"==typeof urlOrConn.connId))return void this.emit("warning",new Error("addWebSeed must be passed a string or connection object with id property"));if(conn=urlOrConn,id=conn.connId,this._peers[id])return this.emit("warning",new Error(`ignoring duplicate web seed: ${id}`)),void this.emit("invalidPeer",id)}this._debug("add web seed %s",id);const newPeer=Peer.createWebSeedPeer(conn,id,this,this.client.throttleGroups);this._registerPeer(newPeer),this.emit("peer",id)}_addIncomingPeer(peer){return this.destroyed?peer.destroy(new Error("torrent is destroyed")):this.paused?peer.destroy(new Error("torrent is paused")):void(this._debug("add incoming peer %s",peer.id),this._registerPeer(peer))}_registerPeer(newPeer){newPeer.on("download",downloaded=>{this.destroyed||(this.received+=downloaded,this._downloadSpeed(downloaded),this.client._downloadSpeed(downloaded),this.emit("download",downloaded),this.destroyed||this.client.emit("download",downloaded))}),newPeer.on("upload",uploaded=>{this.destroyed||(this.uploaded+=uploaded,this._uploadSpeed(uploaded),this.client._uploadSpeed(uploaded),this.emit("upload",uploaded),this.destroyed||this.client.emit("upload",uploaded))}),this._peers[newPeer.id]=newPeer,this._peersLength+=1}removePeer(peer){const id=peer&&peer.id||peer;peer=this._peers[id];peer&&(this._debug("removePeer %s",id),delete this._peers[id],this._peersLength-=1,peer.destroy(),this._drain())}select(start,end,priority,notify){if(this.destroyed)throw new Error("torrent is destroyed");if(0>start||end<start||this.pieces.length<=end)throw new Error(`invalid selection ${start} : ${end}`);priority=+priority||0,this._debug("select %s-%s (priority %s)",start,end,priority),this._selections.push({from:start,to:end,offset:0,priority,notify:notify||noop}),this._selections.sort((a,b)=>b.priority-a.priority),this._updateSelections()}deselect(start,end,priority){if(this.destroyed)throw new Error("torrent is destroyed");priority=+priority||0,this._debug("deselect %s-%s (priority %s)",start,end,priority);for(let i=0;i<this._selections.length;++i){const s=this._selections[i];if(s.from===start&&s.to===end&&s.priority===priority){this._selections.splice(i,1);break}}this._updateSelections()}critical(start,end){if(this.destroyed)throw new Error("torrent is destroyed");this._debug("critical %s-%s",start,end);for(let i=start;i<=end;++i)this._critical[i]=!0;this._updateSelections()}_onWire(wire,addr){if(this._debug("got wire %s (%s)",wire._debugId,addr||"Unknown"),this.wires.push(wire),addr){const parts=addrToIPPort(addr);wire.remoteAddress=parts[0],wire.remotePort=parts[1]}this.client.dht&&this.client.dht.listening&&wire.on("port",port=>this.destroyed||this.client.dht.destroyed?void 0:wire.remoteAddress?0===port||65536<port?this._debug("ignoring invalid PORT from peer"):void(this._debug("port: %s (from %s)",port,addr),this.client.dht.addNode({host:wire.remoteAddress,port})):this._debug("ignoring PORT from peer with no address")),wire.on("timeout",()=>{this._debug("wire timeout (%s)",addr),wire.destroy()}),"webSeed"!==wire.type&&wire.setTimeout(3e4,!0),wire.setKeepAlive(!0),wire.use(utMetadata(this.metadata)),wire.ut_metadata.on("warning",err=>{this._debug("ut_metadata warning: %s",err.message)}),this.metadata||(wire.ut_metadata.on("metadata",metadata=>{this._debug("got metadata via ut_metadata"),this._onMetadata(metadata)}),wire.ut_metadata.fetch()),"function"!=typeof utPex||this.private||(wire.use(utPex()),wire.ut_pex.on("peer",peer=>{this.done||(this._debug("ut_pex: got peer: %s (from %s)",peer,addr),this.addPeer(peer))}),wire.ut_pex.on("dropped",peer=>{const peerObj=this._peers[peer];peerObj&&!peerObj.connected&&(this._debug("ut_pex: dropped peer: %s (from %s)",peer,addr),this.removePeer(peer))}),wire.once("close",()=>{wire.ut_pex.reset()})),wire.use(ltDontHave()),this.emit("wire",wire,addr),this.ready&&queueMicrotask(()=>{this._onWireWithMetadata(wire)})}_onWireWithMetadata(wire){let timeoutId=null;const onChokeTimeout=()=>{this.destroyed||wire.destroyed||(this._numQueued>2*(this._numConns-this.numPeers)&&wire.amInterested?wire.destroy():(timeoutId=setTimeout(onChokeTimeout,CHOKE_TIMEOUT),timeoutId.unref&&timeoutId.unref()))};let i;const updateSeedStatus=()=>{if(wire.peerPieces.buffer.length===this.bitfield.buffer.length){for(i=0;i<this.pieces.length;++i)if(!wire.peerPieces.get(i))return;wire.isSeeder=!0,wire.choke()}};wire.on("bitfield",()=>{updateSeedStatus(),this._update(),this._updateWireInterest(wire)}),wire.on("have",()=>{updateSeedStatus(),this._update(),this._updateWireInterest(wire)}),wire.lt_donthave.on("donthave",()=>{updateSeedStatus(),this._update(),this._updateWireInterest(wire)}),wire.on("have-all",()=>{wire.isSeeder=!0,wire.choke(),this._update(),this._updateWireInterest(wire)}),wire.on("have-none",()=>{wire.isSeeder=!1,this._update(),this._updateWireInterest(wire)}),wire.on("allowed-fast",()=>{this._update()}),wire.once("interested",()=>{wire.unchoke()}),wire.once("close",()=>{clearTimeout(timeoutId)}),wire.on("choke",()=>{clearTimeout(timeoutId),timeoutId=setTimeout(onChokeTimeout,CHOKE_TIMEOUT),timeoutId.unref&&timeoutId.unref()}),wire.on("unchoke",()=>{clearTimeout(timeoutId),this._update()}),wire.on("request",(index,offset,length,cb)=>length>131072?wire.destroy():void(this.pieces[index]||this.store.get(index,{offset,length},cb))),wire.hasFast&&this._hasAllPieces()?wire.haveAll():wire.hasFast&&this._hasNoPieces()?wire.haveNone():wire.bitfield(this.bitfield),this._updateWireInterest(wire),wire.peerExtensions.dht&&this.client.dht&&this.client.dht.listening&&wire.port(this.client.dht.address().port),"webSeed"!==wire.type&&(timeoutId=setTimeout(onChokeTimeout,CHOKE_TIMEOUT),timeoutId.unref&&timeoutId.unref()),wire.isSeeder=!1,updateSeedStatus()}_updateSelections(){!this.ready||this.destroyed||(queueMicrotask(()=>{this._gcSelections()}),this._updateInterest(),this._update())}_gcSelections(){for(let i=0;i<this._selections.length;++i){const s=this._selections[i],oldOffset=s.offset;for(;this.bitfield.get(s.from+s.offset)&&s.from+s.offset<s.to;)s.offset+=1;oldOffset!==s.offset&&s.notify(),s.to===s.from+s.offset&&this.bitfield.get(s.from+s.offset)&&(this._selections.splice(i,1),i-=1,s.notify(),this._updateInterest())}this._selections.length||this.emit("idle")}_updateInterest(){const prev=this._amInterested;this._amInterested=!!this._selections.length,this.wires.forEach(wire=>this._updateWireInterest(wire));prev===this._amInterested||(this._amInterested?this.emit("interested"):this.emit("uninterested"))}_updateWireInterest(wire){let interested=!1;for(let index=0;index<this.pieces.length;++index)if(this.pieces[index]&&wire.peerPieces.get(index)){interested=!0;break}interested?wire.interested():wire.uninterested()}_update(){if(!this.destroyed){const ite=randomIterate(this.wires);for(let wire;wire=ite();)this._updateWireWrapper(wire)}}_updateWireWrapper(wire){const self=this;"undefined"!=typeof window&&"function"==typeof window.requestIdleCallback?window.requestIdleCallback(()=>{self._updateWire(wire)},{timeout:250}):self._updateWire(wire)}_updateWire(wire){function genPieceFilterFunc(start,end,tried,rank){return i=>i>=start&&i<=end&&!(i in tried)&&wire.peerPieces.get(i)&&(!rank||rank(i))}function speedRanker(){const speed=wire.downloadSpeed()||1;if(speed>SPEED_THRESHOLD)return()=>!0;const secs=_Mathmax(1,wire.requests.length)*Piece.BLOCK_LENGTH/speed;let tries=10,ptr=0;return index=>{if(!tries||self.bitfield.get(index))return!0;for(let missing=self.pieces[index].missing;ptr<self.wires.length;ptr++){const otherWire=self.wires[ptr],otherSpeed=otherWire.downloadSpeed();if(!(otherSpeed<SPEED_THRESHOLD)&&!(otherSpeed<=speed)&&otherWire.peerPieces.get(index)&&!(0<(missing-=otherSpeed*secs)))return tries--,!1}return!0}}function shufflePriority(i){let last=i;for(let j=i;j<self._selections.length&&self._selections[j].priority;j++)last=j;const tmp=self._selections[i];self._selections[i]=self._selections[last],self._selections[last]=tmp}function trySelectWire(hotswap){if(wire.requests.length>=maxOutstandingRequests)return!0;const rank=speedRanker();for(let i=0;i<self._selections.length;i++){const next=self._selections[i];let piece;if("rarest"===self.strategy){const start=next.from+next.offset,end=next.to,tried={};let tries=0;for(const filter=genPieceFilterFunc(start,end,tried,rank);tries<end-start+1&&(piece=self._rarityMap.getRarestPiece(filter),!(0>piece));){for(;self._request(wire,piece,self._critical[piece]||hotswap)&&wire.requests.length<maxOutstandingRequests;);if(wire.requests.length<maxOutstandingRequests){tried[piece]=!0,tries++;continue}return next.priority&&shufflePriority(i),!0}}else for(piece=next.from+next.offset;piece<=next.to;piece++)if(wire.peerPieces.get(piece)&&rank(piece)){for(;self._request(wire,piece,self._critical[piece]||hotswap)&&wire.requests.length<maxOutstandingRequests;);if(!(wire.requests.length<maxOutstandingRequests))return next.priority&&shufflePriority(i),!0}}return!1}const self=this,minOutstandingRequests=getBlockPipelineLength(wire,.5);if(wire.requests.length>=minOutstandingRequests)return;const maxOutstandingRequests=getBlockPipelineLength(wire,PIPELINE_MAX_DURATION);return wire.peerChoking?void(wire.hasFast&&0<wire.peerAllowedFastSet.length&&!this._hasMorePieces(wire.peerAllowedFastSet.length-1)&&function(){if(wire.requests.length>=maxOutstandingRequests)return!1;for(const piece of wire.peerAllowedFastSet){if(wire.peerPieces.get(piece)&&!self.bitfield.get(piece))for(;self._request(wire,piece,!1)&&wire.requests.length<maxOutstandingRequests;);if(!(wire.requests.length<maxOutstandingRequests))return!0}return!1}()):wire.downloaded?void(trySelectWire(!1)||trySelectWire(!0)):function(){if(!wire.requests.length)for(let i=self._selections.length;i--;){const next=self._selections[i];let piece;if("rarest"===self.strategy){const start=next.from+next.offset,end=next.to,tried={};let tries=0;for(const filter=genPieceFilterFunc(start,end,tried);tries<end-start+1&&(piece=self._rarityMap.getRarestPiece(filter),!(0>piece));){if(self._request(wire,piece,!1))return;tried[piece]=!0,tries+=1}}else for(piece=next.to;piece>=next.from+next.offset;--piece)if(wire.peerPieces.get(piece)&&self._request(wire,piece,!1))return}}()}_rechoke(){if(this.ready){const wireStack=this.wires.map(wire=>({wire,random:Math.random()})).sort((objA,objB)=>{const wireA=objA.wire,wireB=objB.wire;return wireA.downloadSpeed()===wireB.downloadSpeed()?wireA.uploadSpeed()===wireB.uploadSpeed()?wireA.amChoking===wireB.amChoking?objA.random-objB.random:wireA.amChoking?-1:1:wireA.uploadSpeed()-wireB.uploadSpeed():wireA.downloadSpeed()-wireB.downloadSpeed()}).map(obj=>obj.wire);0>=this._rechokeOptimisticTime?this._rechokeOptimisticWire=null:this._rechokeOptimisticTime-=1;for(let numInterestedUnchoked=0;0<wireStack.length&&numInterestedUnchoked<this._rechokeNumSlots-1;){const wire=wireStack.pop();wire.isSeeder||wire===this._rechokeOptimisticWire||(wire.unchoke(),wire.peerInterested&&numInterestedUnchoked++)}if(null===this._rechokeOptimisticWire&&0<this._rechokeNumSlots){const remaining=wireStack.filter(wire=>wire.peerInterested);if(0<remaining.length){const newOptimisticPeer=remaining[randomInt(remaining.length)];newOptimisticPeer.unchoke(),this._rechokeOptimisticWire=newOptimisticPeer,this._rechokeOptimisticTime=2}}wireStack.filter(wire=>wire!==this._rechokeOptimisticWire).forEach(wire=>wire.choke())}}_hotswap(wire,index){const speed=wire.downloadSpeed();if(speed<Piece.BLOCK_LENGTH)return!1;if(!this._reservations[index])return!1;const r=this._reservations[index];if(!r)return!1;let minSpeed=1/0,minWire,i;for(i=0;i<r.length;i++){const otherWire=r[i];if(!otherWire||otherWire===wire)continue;const otherSpeed=otherWire.downloadSpeed();otherSpeed>=SPEED_THRESHOLD||2*otherSpeed>speed||otherSpeed>minSpeed||(minWire=otherWire,minSpeed=otherSpeed)}if(!minWire)return!1;for(i=0;i<r.length;i++)r[i]===minWire&&(r[i]=null);for(i=0;i<minWire.requests.length;i++){const req=minWire.requests[i];req.piece===index&&this.pieces[index].cancel(0|req.offset/Piece.BLOCK_LENGTH)}return this.emit("hotswap",minWire,wire,index),!0}_request(wire,index,hotswap){function onUpdateTick(){queueMicrotask(()=>{self._update()})}const self=this,numRequests=wire.requests.length,isWebSeed="webSeed"===wire.type;if(self.bitfield.get(index))return!1;const maxOutstandingRequests=isWebSeed?_Mathmin(getPiecePipelineLength(wire,PIPELINE_MAX_DURATION,self.pieceLength),self.maxWebConns):getBlockPipelineLength(wire,PIPELINE_MAX_DURATION);if(numRequests>=maxOutstandingRequests)return!1;const piece=self.pieces[index];let reservation=isWebSeed?piece.reserveRemaining():piece.reserve();if(-1===reservation&&hotswap&&self._hotswap(wire,index)&&(reservation=isWebSeed?piece.reserveRemaining():piece.reserve()),-1===reservation)return!1;let r=self._reservations[index];r||(r=self._reservations[index]=[]);let i=r.indexOf(null);-1===i&&(i=r.length),r[i]=wire;const chunkOffset=piece.chunkOffset(reservation),chunkLength=isWebSeed?piece.chunkLengthRemaining(reservation):piece.chunkLength(reservation);return wire.request(index,chunkOffset,chunkLength,function onChunk(err,chunk){if(self.destroyed)return;if(!self.ready)return self.once("ready",()=>{onChunk(err,chunk)});if(r[i]===wire&&(r[i]=null),piece!==self.pieces[index])return onUpdateTick();if(err)return self._debug("error getting piece %s (offset: %s length: %s) from %s: %s",index,chunkOffset,chunkLength,`${wire.remoteAddress}:${wire.remotePort}`,err.message),isWebSeed?piece.cancelRemaining(reservation):piece.cancel(reservation),void onUpdateTick();if(self._debug("got piece %s (offset: %s length: %s) from %s",index,chunkOffset,chunkLength,`${wire.remoteAddress}:${wire.remotePort}`),!piece.set(reservation,chunk,wire))return onUpdateTick();const buf=piece.flush();sha1(buf,hash=>{self.destroyed||(hash===self._hashes[index]?(self._debug("piece verified %s",index),self.store.put(index,buf,err=>err?void self._destroy(err):void(self.pieces[index]=null,self._markVerified(index),self.wires.forEach(wire=>{wire.have(index)}),self._checkDone()&&!self.destroyed&&self.discovery.complete(),onUpdateTick()))):(self.pieces[index]=new Piece(piece.length),self.emit("warning",new Error(`Piece ${index} failed verification`)),onUpdateTick()))})}),!0}_checkDone(){if(this.destroyed)return;this.files.forEach(file=>{if(!file.done){for(let i=file._startPiece;i<=file._endPiece;++i)if(!this.bitfield.get(i))return;file.done=!0,file.emit("done"),this._debug(`file done: ${file.name}`)}});let done=!0;for(const selection of this._selections){for(let piece=selection.from;piece<=selection.to;piece++)if(!this.bitfield.get(piece)){done=!1;break}if(!done)break}return!this.done&&done?(this.done=!0,this._debug(`torrent done: ${this.infoHash}`),this.emit("done")):this.done=!1,this._gcSelections(),done}load(streams,cb){if(this.destroyed)throw new Error("torrent is destroyed");if(!this.ready)return this.once("ready",()=>{this.load(streams,cb)});Array.isArray(streams)||(streams=[streams]),cb||(cb=noop);const readable=new MultiStream(streams),writable=new ChunkStoreWriteStream(this.store,this.pieceLength);pump(readable,writable,err=>err?cb(err):void(this._markAllVerified(),this._checkDone(),cb(null)))}createServer(requestListener){if("function"!=typeof Server)throw new Error("node.js-only method");if(this.destroyed)throw new Error("torrent is destroyed");const server=new Server(this,requestListener);return this._servers.push(server),server}pause(){this.destroyed||(this._debug("pause"),this.paused=!0)}resume(){this.destroyed||(this._debug("resume"),this.paused=!1,this._drain())}_debug(){const args=[].slice.call(arguments);args[0]=`[${this.client?this.client._debugId:"No Client"}] [${this._debugId}] ${args[0]}`,debug(...args)}_drain(){if(this._debug("_drain numConns %s maxConns %s",this._numConns,this.client.maxConns),"function"!=typeof net.connect||this.destroyed||this.paused||this._numConns>=this.client.maxConns)return;this._debug("drain (%s queued, %s/%s peers)",this._numQueued,this.numPeers,this.client.maxConns);const peer=this._queue.shift();if(!peer)return;this._debug("%s connect attempt to %s",peer.type,peer.addr);const parts=addrToIPPort(peer.addr),opts={host:parts[0],port:parts[1]};peer.conn=this.client.utp&&"utpOutgoing"===peer.type?utp.connect(opts.port,opts.host):net.connect(opts);const conn=peer.conn;conn.once("connect",()=>{peer.onConnect()}),conn.once("error",err=>{peer.destroy(err)}),peer.startConnectTimeout(),conn.on("close",()=>{if(!this.destroyed){if(peer.retries>=RECONNECT_WAIT.length){if(this.client.utp){const newPeer=this._addPeer(peer.addr,"tcp");newPeer&&(newPeer.retries=0)}else this._debug("conn %s closed: will not re-add (max %s attempts)",peer.addr,RECONNECT_WAIT.length);return}const ms=RECONNECT_WAIT[peer.retries];this._debug("conn %s closed: will re-add to queue in %sms (attempt %s)",peer.addr,ms,peer.retries+1);const reconnectTimeout=setTimeout(()=>{if(!this.destroyed){const host=addrToIPPort(peer.addr)[0],type=this.client.utp&&this._isIPv4(host)?"utp":"tcp",newPeer=this._addPeer(peer.addr,type);newPeer&&(newPeer.retries=peer.retries+1)}},ms);reconnectTimeout.unref&&reconnectTimeout.unref()}})}_validAddr(addr){let parts;try{parts=addrToIPPort(addr)}catch(e){return!1}const host=parts[0],port=parts[1];return 0<port&&65535>port&&("127.0.0.1"!==host||port!==this.client.torrentPort)}_isIPv4(addr){return /^((?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])[.]){3}(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])$/.test(addr)}}module.exports=Torrent}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"../package.json":281,"./file.js":2,"./peer.js":3,"./rarity-map.js":4,"./server.js":41,"./utp.js":41,"./webconn.js":6,_process:192,"addr-to-ip-port":7,bitfield:31,"cache-chunk-store":77,"chunk-store-stream/write":78,cpus:81,debug:90,events:122,fs:41,"fs-chunk-store":159,"immediate-chunk-store":144,lt_donthave:155,"memory-chunk-store":159,multistream:175,net:41,os:41,"parse-torrent":183,path:184,pump:200,"queue-microtask":205,"random-iterate":207,"run-parallel":232,"run-parallel-limit":231,"simple-get":245,"simple-sha1":247,speedometer:254,"torrent-discovery":268,"torrent-piece":269,ut_metadata:275,ut_pex:41}],6:[function(require,module){(function(Buffer){(function(){const{default:BitField}=require("bitfield"),debugFactory=require("debug"),get=require("simple-get"),ltDontHave=require("lt_donthave"),sha1=require("simple-sha1"),Wire=require("bittorrent-protocol"),debug=debugFactory("webtorrent:webconn"),VERSION=require("../package.json").version;module.exports=class extends Wire{constructor(url,torrent){super(),this.url=url,this.connId=url,this.webPeerId=sha1.sync(url),this._torrent=torrent,this.withCredentials=torrent.withCredentials,this._init()}_init(){this.setKeepAlive(!0),this.use(ltDontHave()),this.once("handshake",infoHash=>{if(this.destroyed)return;this.handshake(infoHash,this.webPeerId);const numPieces=this._torrent.pieces.length,bitfield=new BitField(numPieces);for(let i=0;i<=numPieces;i++)bitfield.set(i,!0);this.bitfield(bitfield)}),this.once("interested",()=>{debug("interested"),this.unchoke()}),this.on("uninterested",()=>{debug("uninterested")}),this.on("choke",()=>{debug("choke")}),this.on("unchoke",()=>{debug("unchoke")}),this.on("bitfield",()=>{debug("bitfield")}),this.lt_donthave.on("donthave",()=>{debug("donthave")}),this.on("request",(pieceIndex,offset,length,callback)=>{debug("request pieceIndex=%d offset=%d length=%d",pieceIndex,offset,length),this.httpRequest(pieceIndex,offset,length,(err,data)=>{if(err){this.lt_donthave.donthave(pieceIndex);const retryTimeout=setTimeout(()=>{this.destroyed||this.have(pieceIndex)},1e4);retryTimeout.unref&&retryTimeout.unref()}callback(err,data)})})}httpRequest(pieceIndex,offset,length,cb){const pieceOffset=pieceIndex*this._torrent.pieceLength,rangeStart=pieceOffset+offset,rangeEnd=rangeStart+length-1,files=this._torrent.files;let requests;if(1>=files.length)requests=[{withCredentials:this.withCredentials,url:this.url,start:rangeStart,end:rangeEnd}];else{const requestedFiles=files.filter(file=>file.offset<=rangeEnd&&file.offset+file.length>rangeStart);if(1>requestedFiles.length)return cb(new Error("Could not find file corresponding to web seed range request"));requests=requestedFiles.map(requestedFile=>{const fileEnd=requestedFile.offset+requestedFile.length-1,url=this.url+("/"===this.url[this.url.length-1]?"":"/")+requestedFile.path.replace(this._torrent.path,"");return{url,fileOffsetInRange:_Mathmax(requestedFile.offset-rangeStart,0),start:_Mathmax(rangeStart-requestedFile.offset,0),end:_Mathmin(fileEnd,rangeEnd-requestedFile.offset)}})}let numRequestsSucceeded=0,hasError=!1,ret;1<requests.length&&(ret=Buffer.alloc(length)),requests.forEach(request=>{function onResponse(res,data){return 200>res.statusCode||300<=res.statusCode?hasError?void 0:(hasError=!0,cb(new Error(`Unexpected HTTP status code ${res.statusCode}`))):void(debug("Got data of length %d",data.length),1===requests.length?cb(null,data):(data.copy(ret,request.fileOffsetInRange),++numRequestsSucceeded===requests.length&&cb(null,ret)))}const url=request.url,start=request.start,end=request.end;debug("Requesting url=%s pieceIndex=%d offset=%d length=%d start=%d end=%d",url,pieceIndex,offset,length,start,end);const opts={url,withCredentials:this.withCredentials,method:"GET",headers:{"user-agent":`WebTorrent/${VERSION} (https://webtorrent.io)`,range:`bytes=${start}-${end}`},timeout:6e4};get.concat(opts,(err,res,data)=>hasError?void 0:err?"undefined"==typeof window||url.startsWith(`${window.location.origin}/`)?(hasError=!0,cb(err)):get.head(url,(errHead,res)=>hasError?void 0:errHead?(hasError=!0,cb(errHead)):200>res.statusCode||300<=res.statusCode?(hasError=!0,cb(new Error(`Unexpected HTTP status code ${res.statusCode}`))):res.url===url?(hasError=!0,cb(err)):void(opts.url=res.url,get.concat(opts,(err,res,data)=>hasError?void 0:err?(hasError=!0,cb(err)):void onResponse(res,data)))):void onResponse(res,data))})}destroy(){super.destroy(),this._torrent=null}}}).call(this)}).call(this,require("buffer").Buffer)},{"../package.json":281,bitfield:31,"bittorrent-protocol":32,buffer:75,debug:90,lt_donthave:155,"simple-get":245,"simple-sha1":247}],7:[function(require,module){let cache=new Map;module.exports=function(addr){if(1e5===cache.size&&cache.clear(),!cache.has(addr)){const m=/^\[?([^\]]+)]?:(\d+)$/.exec(addr);if(!m)throw new Error(`invalid addr: ${addr}`);cache.set(addr,[m[1],+m[2]])}return cache.get(addr)}},{}],8:[function(require,module,exports){"use strict";const asn1=exports;asn1.bignum=require("bn.js"),asn1.define=require("./asn1/api").define,asn1.base=require("./asn1/base"),asn1.constants=require("./asn1/constants"),asn1.decoders=require("./asn1/decoders"),asn1.encoders=require("./asn1/encoders")},{"./asn1/api":9,"./asn1/base":11,"./asn1/constants":15,"./asn1/decoders":17,"./asn1/encoders":20,"bn.js":22}],9:[function(require,module,exports){"use strict";function Entity(name,body){this.name=name,this.body=body,this.decoders={},this.encoders={}}const encoders=require("./encoders"),decoders=require("./decoders"),inherits=require("inherits");exports.define=function(name,body){return new Entity(name,body)},Entity.prototype._createNamed=function(Base){function Generated(entity){this._initNamed(entity,name)}const name=this.name;return inherits(Generated,Base),Generated.prototype._initNamed=function(entity,name){Base.call(this,entity,name)},new Generated(this)},Entity.prototype._getDecoder=function(enc){return enc=enc||"der",this.decoders.hasOwnProperty(enc)||(this.decoders[enc]=this._createNamed(decoders[enc])),this.decoders[enc]},Entity.prototype.decode=function(data,enc,options){return this._getDecoder(enc).decode(data,options)},Entity.prototype._getEncoder=function(enc){return enc=enc||"der",this.encoders.hasOwnProperty(enc)||(this.encoders[enc]=this._createNamed(encoders[enc])),this.encoders[enc]},Entity.prototype.encode=function(data,enc,reporter){return this._getEncoder(enc).encode(data,reporter)}},{"./decoders":17,"./encoders":20,inherits:145}],10:[function(require,module,exports){"use strict";function DecoderBuffer(base,options){return Reporter.call(this,options),Buffer.isBuffer(base)?void(this.base=base,this.offset=0,this.length=base.length):void this.error("Input not Buffer")}function EncoderBuffer(value,reporter){if(Array.isArray(value))this.length=0,this.value=value.map(function(item){return EncoderBuffer.isEncoderBuffer(item)||(item=new EncoderBuffer(item,reporter)),this.length+=item.length,item},this);else if("number"==typeof value){if(!(0<=value&&255>=value))return reporter.error("non-byte EncoderBuffer value");this.value=value,this.length=1}else if("string"==typeof value)this.value=value,this.length=Buffer.byteLength(value);else if(Buffer.isBuffer(value))this.value=value,this.length=value.length;else return reporter.error("Unsupported type: "+typeof value)}const inherits=require("inherits"),Reporter=require("../base/reporter").Reporter,Buffer=require("safer-buffer").Buffer;inherits(DecoderBuffer,Reporter),exports.DecoderBuffer=DecoderBuffer,DecoderBuffer.isDecoderBuffer=function(data){if(data instanceof DecoderBuffer)return!0;const isCompatible="object"==typeof data&&Buffer.isBuffer(data.base)&&"DecoderBuffer"===data.constructor.name&&"number"==typeof data.offset&&"number"==typeof data.length&&"function"==typeof data.save&&"function"==typeof data.restore&&"function"==typeof data.isEmpty&&"function"==typeof data.readUInt8&&"function"==typeof data.skip&&"function"==typeof data.raw;return isCompatible},DecoderBuffer.prototype.save=function(){return{offset:this.offset,reporter:Reporter.prototype.save.call(this)}},DecoderBuffer.prototype.restore=function(save){const res=new DecoderBuffer(this.base);return res.offset=save.offset,res.length=this.offset,this.offset=save.offset,Reporter.prototype.restore.call(this,save.reporter),res},DecoderBuffer.prototype.isEmpty=function(){return this.offset===this.length},DecoderBuffer.prototype.readUInt8=function(fail){return this.offset+1<=this.length?this.base.readUInt8(this.offset++,!0):this.error(fail||"DecoderBuffer overrun")},DecoderBuffer.prototype.skip=function(bytes,fail){if(!(this.offset+bytes<=this.length))return this.error(fail||"DecoderBuffer overrun");const res=new DecoderBuffer(this.base);return res._reporterState=this._reporterState,res.offset=this.offset,res.length=this.offset+bytes,this.offset+=bytes,res},DecoderBuffer.prototype.raw=function(save){return this.base.slice(save?save.offset:this.offset,this.length)},exports.EncoderBuffer=EncoderBuffer,EncoderBuffer.isEncoderBuffer=function(data){if(data instanceof EncoderBuffer)return!0;const isCompatible="object"==typeof data&&"EncoderBuffer"===data.constructor.name&&"number"==typeof data.length&&"function"==typeof data.join;return isCompatible},EncoderBuffer.prototype.join=function(out,offset){return(out||(out=Buffer.alloc(this.length)),offset||(offset=0),0===this.length)?out:(Array.isArray(this.value)?this.value.forEach(function(item){item.join(out,offset),offset+=item.length}):("number"==typeof this.value?out[offset]=this.value:"string"==typeof this.value?out.write(this.value,offset):Buffer.isBuffer(this.value)&&this.value.copy(out,offset),offset+=this.length),out)}},{"../base/reporter":13,inherits:145,"safer-buffer":235}],11:[function(require,module,exports){"use strict";const base=exports;base.Reporter=require("./reporter").Reporter,base.DecoderBuffer=require("./buffer").DecoderBuffer,base.EncoderBuffer=require("./buffer").EncoderBuffer,base.Node=require("./node")},{"./buffer":10,"./node":12,"./reporter":13}],12:[function(require,module){"use strict";function Node(enc,parent,name){const state={};this._baseState=state,state.name=name,state.enc=enc,state.parent=parent||null,state.children=null,state.tag=null,state.args=null,state.reverseArgs=null,state.choice=null,state.optional=!1,state.any=!1,state.obj=!1,state.use=null,state.useDecoder=null,state.key=null,state["default"]=null,state.explicit=null,state.implicit=null,state.contains=null,state.parent||(state.children=[],this._wrap())}const Reporter=require("../base/reporter").Reporter,EncoderBuffer=require("../base/buffer").EncoderBuffer,DecoderBuffer=require("../base/buffer").DecoderBuffer,assert=require("minimalistic-assert"),tags=["seq","seqof","set","setof","objid","bool","gentime","utctime","null_","enum","int","objDesc","bitstr","bmpstr","charstr","genstr","graphstr","ia5str","iso646str","numstr","octstr","printstr","t61str","unistr","utf8str","videostr"],methods=["key","obj","use","optional","explicit","implicit","def","choice","any","contains"].concat(tags);module.exports=Node;const stateProps=["enc","parent","children","tag","args","reverseArgs","choice","optional","any","obj","use","alteredUse","key","default","explicit","implicit","contains"];Node.prototype.clone=function(){const state=this._baseState,cstate={};stateProps.forEach(function(prop){cstate[prop]=state[prop]});const res=new this.constructor(cstate.parent);return res._baseState=cstate,res},Node.prototype._wrap=function(){const state=this._baseState;methods.forEach(function(method){this[method]=function(){const clone=new this.constructor(this);return state.children.push(clone),clone[method].apply(clone,arguments)}},this)},Node.prototype._init=function(body){const state=this._baseState;assert(null===state.parent),body.call(this),state.children=state.children.filter(function(child){return child._baseState.parent===this},this),assert.equal(state.children.length,1,"Root node can have only one child")},Node.prototype._useArgs=function(args){const state=this._baseState,children=args.filter(function(arg){return arg instanceof this.constructor},this);args=args.filter(function(arg){return!(arg instanceof this.constructor)},this),0!==children.length&&(assert(null===state.children),state.children=children,children.forEach(function(child){child._baseState.parent=this},this)),0!==args.length&&(assert(null===state.args),state.args=args,state.reverseArgs=args.map(function(arg){if("object"!=typeof arg||arg.constructor!==Object)return arg;const res={};return Object.keys(arg).forEach(function(key){key==(0|key)&&(key|=0);const value=arg[key];res[value]=key}),res}))},["_peekTag","_decodeTag","_use","_decodeStr","_decodeObjid","_decodeTime","_decodeNull","_decodeInt","_decodeBool","_decodeList","_encodeComposite","_encodeStr","_encodeObjid","_encodeTime","_encodeNull","_encodeInt","_encodeBool"].forEach(function(method){Node.prototype[method]=function(){const state=this._baseState;throw new Error(method+" not implemented for encoding: "+state.enc)}}),tags.forEach(function(tag){Node.prototype[tag]=function(){const state=this._baseState,args=Array.prototype.slice.call(arguments);return assert(null===state.tag),state.tag=tag,this._useArgs(args),this}}),Node.prototype.use=function(item){assert(item);const state=this._baseState;return assert(null===state.use),state.use=item,this},Node.prototype.optional=function(){const state=this._baseState;return state.optional=!0,this},Node.prototype.def=function(val){const state=this._baseState;return assert(null===state["default"]),state["default"]=val,state.optional=!0,this},Node.prototype.explicit=function(num){const state=this._baseState;return assert(null===state.explicit&&null===state.implicit),state.explicit=num,this},Node.prototype.implicit=function(num){const state=this._baseState;return assert(null===state.explicit&&null===state.implicit),state.implicit=num,this},Node.prototype.obj=function(){const state=this._baseState,args=Array.prototype.slice.call(arguments);return state.obj=!0,0!==args.length&&this._useArgs(args),this},Node.prototype.key=function(newKey){const state=this._baseState;return assert(null===state.key),state.key=newKey,this},Node.prototype.any=function(){const state=this._baseState;return state.any=!0,this},Node.prototype.choice=function(obj){const state=this._baseState;return assert(null===state.choice),state.choice=obj,this._useArgs(Object.keys(obj).map(function(key){return obj[key]})),this},Node.prototype.contains=function(item){const state=this._baseState;return assert(null===state.use),state.contains=item,this},Node.prototype._decode=function(input,options){const state=this._baseState;if(null===state.parent)return input.wrapResult(state.children[0]._decode(input,options));let result=state["default"],present=!0,prevKey=null;if(null!==state.key&&(prevKey=input.enterKey(state.key)),state.optional){let tag=null;if(null===state.explicit?null===state.implicit?null!==state.tag&&(tag=state.tag):tag=state.implicit:tag=state.explicit,null===tag&&!state.any){const save=input.save();try{null===state.choice?this._decodeGeneric(state.tag,input,options):this._decodeChoice(input,options),present=!0}catch(e){present=!1}input.restore(save)}else if(present=this._peekTag(input,tag,state.any),input.isError(present))return present}let prevObj;if(state.obj&&present&&(prevObj=input.enterObject()),present){if(null!==state.explicit){const explicit=this._decodeTag(input,state.explicit);if(input.isError(explicit))return explicit;input=explicit}const start=input.offset;if(null===state.use&&null===state.choice){let save;state.any&&(save=input.save());const body=this._decodeTag(input,null===state.implicit?state.tag:state.implicit,state.any);if(input.isError(body))return body;state.any?result=input.raw(save):input=body}if(options&&options.track&&null!==state.tag&&options.track(input.path(),start,input.length,"tagged"),options&&options.track&&null!==state.tag&&options.track(input.path(),input.offset,input.length,"content"),state.any||(null===state.choice?result=this._decodeGeneric(state.tag,input,options):result=this._decodeChoice(input,options)),input.isError(result))return result;if(state.any||null!==state.choice||null===state.children||state.children.forEach(function(child){child._decode(input,options)}),state.contains&&("octstr"===state.tag||"bitstr"===state.tag)){const data=new DecoderBuffer(result);result=this._getUse(state.contains,input._reporterState.obj)._decode(data,options)}}return state.obj&&present&&(result=input.leaveObject(prevObj)),null!==state.key&&(null!==result||!0===present)?input.leaveKey(prevKey,state.key,result):null!==prevKey&&input.exitKey(prevKey),result},Node.prototype._decodeGeneric=function(tag,input,options){const state=this._baseState;if("seq"===tag||"set"===tag)return null;return"seqof"===tag||"setof"===tag?this._decodeList(input,tag,state.args[0],options):/str$/.test(tag)?this._decodeStr(input,tag,options):"objid"===tag&&state.args?this._decodeObjid(input,state.args[0],state.args[1],options):"objid"===tag?this._decodeObjid(input,null,null,options):"gentime"===tag||"utctime"===tag?this._decodeTime(input,tag,options):"null_"===tag?this._decodeNull(input,options):"bool"===tag?this._decodeBool(input,options):"objDesc"===tag?this._decodeStr(input,tag,options):"int"===tag||"enum"===tag?this._decodeInt(input,state.args&&state.args[0],options):null===state.use?input.error("unknown tag: "+tag):this._getUse(state.use,input._reporterState.obj)._decode(input,options)},Node.prototype._getUse=function(entity,obj){const state=this._baseState;return state.useDecoder=this._use(entity,obj),assert(null===state.useDecoder._baseState.parent),state.useDecoder=state.useDecoder._baseState.children[0],state.implicit!==state.useDecoder._baseState.implicit&&(state.useDecoder=state.useDecoder.clone(),state.useDecoder._baseState.implicit=state.implicit),state.useDecoder},Node.prototype._decodeChoice=function(input,options){const state=this._baseState;let result=null,match=!1;return Object.keys(state.choice).some(function(key){const save=input.save(),node=state.choice[key];try{const value=node._decode(input,options);if(input.isError(value))return!1;result={type:key,value:value},match=!0}catch(e){return input.restore(save),!1}return!0},this),match?result:input.error("Choice not matched")},Node.prototype._createEncoderBuffer=function(data){return new EncoderBuffer(data,this.reporter)},Node.prototype._encode=function(data,reporter,parent){const state=this._baseState;if(null===state["default"]||state["default"]!==data){const result=this._encodeValue(data,reporter,parent);return void 0===result||this._skipDefault(result,reporter,parent)?void 0:result}},Node.prototype._encodeValue=function(data,reporter,parent){const state=this._baseState;if(null===state.parent)return state.children[0]._encode(data,reporter||new Reporter);let result=null;if(this.reporter=reporter,state.optional&&void 0===data)if(null!==state["default"])data=state["default"];else return;let content=null,primitive=!1;if(state.any)result=this._createEncoderBuffer(data);else if(state.choice)result=this._encodeChoice(data,reporter);else if(state.contains)content=this._getUse(state.contains,parent)._encode(data,reporter),primitive=!0;else if(state.children)content=state.children.map(function(child){if("null_"===child._baseState.tag)return child._encode(null,reporter,data);if(null===child._baseState.key)return reporter.error("Child should have a key");const prevKey=reporter.enterKey(child._baseState.key);if("object"!=typeof data)return reporter.error("Child expected, but input is not object");const res=child._encode(data[child._baseState.key],reporter,data);return reporter.leaveKey(prevKey),res},this).filter(function(child){return child}),content=this._createEncoderBuffer(content);else if("seqof"===state.tag||"setof"===state.tag){if(!(state.args&&1===state.args.length))return reporter.error("Too many args for : "+state.tag);if(!Array.isArray(data))return reporter.error("seqof/setof, but data is not Array");const child=this.clone();child._baseState.implicit=null,content=this._createEncoderBuffer(data.map(function(item){const state=this._baseState;return this._getUse(state.args[0],data)._encode(item,reporter)},child))}else null===state.use?(content=this._encodePrimitive(state.tag,data),primitive=!0):result=this._getUse(state.use,parent)._encode(data,reporter);if(!state.any&&null===state.choice){const tag=null===state.implicit?state.tag:state.implicit,cls=null===state.implicit?"universal":"context";null===tag?null===state.use&&reporter.error("Tag could be omitted only for .use()"):null===state.use&&(result=this._encodeComposite(tag,primitive,cls,content))}return null!==state.explicit&&(result=this._encodeComposite(state.explicit,!1,"context",result)),result},Node.prototype._encodeChoice=function(data,reporter){const state=this._baseState,node=state.choice[data.type];return node||assert(!1,data.type+" not found in "+JSON.stringify(Object.keys(state.choice))),node._encode(data.value,reporter)},Node.prototype._encodePrimitive=function(tag,data){const state=this._baseState;if(/str$/.test(tag))return this._encodeStr(data,tag);if("objid"===tag&&state.args)return this._encodeObjid(data,state.reverseArgs[0],state.args[1]);if("objid"===tag)return this._encodeObjid(data,null,null);if("gentime"===tag||"utctime"===tag)return this._encodeTime(data,tag);if("null_"===tag)return this._encodeNull();if("int"===tag||"enum"===tag)return this._encodeInt(data,state.args&&state.reverseArgs[0]);if("bool"===tag)return this._encodeBool(data);if("objDesc"===tag)return this._encodeStr(data,tag);throw new Error("Unsupported tag: "+tag)},Node.prototype._isNumstr=function(str){return /^[0-9 ]*$/.test(str)},Node.prototype._isPrintstr=function(str){return /^[A-Za-z0-9 '()+,-./:=?]*$/.test(str)}},{"../base/buffer":10,"../base/reporter":13,"minimalistic-assert":166}],13:[function(require,module,exports){"use strict";function Reporter(options){this._reporterState={obj:null,path:[],options:options||{},errors:[]}}function ReporterError(path,msg){this.path=path,this.rethrow(msg)}const inherits=require("inherits");exports.Reporter=Reporter,Reporter.prototype.isError=function(obj){return obj instanceof ReporterError},Reporter.prototype.save=function(){const state=this._reporterState;return{obj:state.obj,pathLen:state.path.length}},Reporter.prototype.restore=function(data){const state=this._reporterState;state.obj=data.obj,state.path=state.path.slice(0,data.pathLen)},Reporter.prototype.enterKey=function(key){return this._reporterState.path.push(key)},Reporter.prototype.exitKey=function(index){const state=this._reporterState;state.path=state.path.slice(0,index-1)},Reporter.prototype.leaveKey=function(index,key,value){const state=this._reporterState;this.exitKey(index),null!==state.obj&&(state.obj[key]=value)},Reporter.prototype.path=function(){return this._reporterState.path.join("/")},Reporter.prototype.enterObject=function(){const state=this._reporterState,prev=state.obj;return state.obj={},prev},Reporter.prototype.leaveObject=function(prev){const state=this._reporterState,now=state.obj;return state.obj=prev,now},Reporter.prototype.error=function(msg){let err;const state=this._reporterState,inherited=msg instanceof ReporterError;if(err=inherited?msg:new ReporterError(state.path.map(function(elem){return"["+JSON.stringify(elem)+"]"}).join(""),msg.message||msg,msg.stack),!state.options.partial)throw err;return inherited||state.errors.push(err),err},Reporter.prototype.wrapResult=function(result){const state=this._reporterState;return state.options.partial?{result:this.isError(result)?null:result,errors:state.errors}:result},inherits(ReporterError,Error),ReporterError.prototype.rethrow=function(msg){if(this.message=msg+" at: "+(this.path||"(shallow)"),Error.captureStackTrace&&Error.captureStackTrace(this,ReporterError),!this.stack)try{throw new Error(this.message)}catch(e){this.stack=e.stack}return this}},{inherits:145}],14:[function(require,module,exports){"use strict";function reverse(map){const res={};return Object.keys(map).forEach(function(key){(0|key)==key&&(key|=0);const value=map[key];res[value]=key}),res}exports.tagClass={0:"universal",1:"application",2:"context",3:"private"},exports.tagClassByName=reverse(exports.tagClass),exports.tag={0:"end",1:"bool",2:"int",3:"bitstr",4:"octstr",5:"null_",6:"objid",7:"objDesc",8:"external",9:"real",10:"enum",11:"embed",12:"utf8str",13:"relativeOid",16:"seq",17:"set",18:"numstr",19:"printstr",20:"t61str",21:"videostr",22:"ia5str",23:"utctime",24:"gentime",25:"graphstr",26:"iso646str",27:"genstr",28:"unistr",29:"charstr",30:"bmpstr"},exports.tagByName=reverse(exports.tag)},{}],15:[function(require,module,exports){"use strict";const constants=exports;constants._reverse=function(map){const res={};return Object.keys(map).forEach(function(key){(0|key)==key&&(key|=0);const value=map[key];res[value]=key}),res},constants.der=require("./der")},{"./der":14}],16:[function(require,module){"use strict";function DERDecoder(entity){this.enc="der",this.name=entity.name,this.entity=entity,this.tree=new DERNode,this.tree._init(entity.body)}function DERNode(parent){Node.call(this,"der",parent)}function derDecodeTag(buf,fail){let tag=buf.readUInt8(fail);if(buf.isError(tag))return tag;const cls=der.tagClass[tag>>6],primitive=0==(32&tag);if(31==(31&tag)){let oct=tag;for(tag=0;128==(128&oct);){if(oct=buf.readUInt8(fail),buf.isError(oct))return oct;tag<<=7,tag|=127&oct}}else tag&=31;const tagStr=der.tag[tag];return{cls:cls,primitive:primitive,tag:tag,tagStr:tagStr}}function derDecodeLen(buf,primitive,fail){let len=buf.readUInt8(fail);if(buf.isError(len))return len;if(!primitive&&128===len)return null;if(0==(128&len))return len;const num=127&len;if(4<num)return buf.error("length octect is too long");len=0;for(let i=0;i<num;i++){len<<=8;const j=buf.readUInt8(fail);if(buf.isError(j))return j;len|=j}return len}const inherits=require("inherits"),bignum=require("bn.js"),DecoderBuffer=require("../base/buffer").DecoderBuffer,Node=require("../base/node"),der=require("../constants/der");module.exports=DERDecoder,DERDecoder.prototype.decode=function(data,options){return DecoderBuffer.isDecoderBuffer(data)||(data=new DecoderBuffer(data,options)),this.tree._decode(data,options)},inherits(DERNode,Node),DERNode.prototype._peekTag=function(buffer,tag,any){if(buffer.isEmpty())return!1;const state=buffer.save(),decodedTag=derDecodeTag(buffer,"Failed to peek tag: \""+tag+"\"");return buffer.isError(decodedTag)?decodedTag:(buffer.restore(state),decodedTag.tag===tag||decodedTag.tagStr===tag||decodedTag.tagStr+"of"===tag||any)},DERNode.prototype._decodeTag=function(buffer,tag,any){const decodedTag=derDecodeTag(buffer,"Failed to decode tag of \""+tag+"\"");if(buffer.isError(decodedTag))return decodedTag;let len=derDecodeLen(buffer,decodedTag.primitive,"Failed to get length of \""+tag+"\"");if(buffer.isError(len))return len;if(!any&&decodedTag.tag!==tag&&decodedTag.tagStr!==tag&&decodedTag.tagStr+"of"!==tag)return buffer.error("Failed to match tag: \""+tag+"\"");if(decodedTag.primitive||null!==len)return buffer.skip(len,"Failed to match body of: \""+tag+"\"");const state=buffer.save(),res=this._skipUntilEnd(buffer,"Failed to skip indefinite length body: \""+this.tag+"\"");return buffer.isError(res)?res:(len=buffer.offset-state.offset,buffer.restore(state),buffer.skip(len,"Failed to match body of: \""+tag+"\""))},DERNode.prototype._skipUntilEnd=function(buffer,fail){for(;;){const tag=derDecodeTag(buffer,fail);if(buffer.isError(tag))return tag;const len=derDecodeLen(buffer,tag.primitive,fail);if(buffer.isError(len))return len;let res;if(res=tag.primitive||null!==len?buffer.skip(len):this._skipUntilEnd(buffer,fail),buffer.isError(res))return res;if("end"===tag.tagStr)break}},DERNode.prototype._decodeList=function(buffer,tag,decoder,options){const result=[];for(;!buffer.isEmpty();){const possibleEnd=this._peekTag(buffer,"end");if(buffer.isError(possibleEnd))return possibleEnd;const res=decoder.decode(buffer,"der",options);if(buffer.isError(res)&&possibleEnd)break;result.push(res)}return result},DERNode.prototype._decodeStr=function(buffer,tag){if("bitstr"===tag){const unused=buffer.readUInt8();return buffer.isError(unused)?unused:{unused:unused,data:buffer.raw()}}if("bmpstr"===tag){const raw=buffer.raw();if(1==raw.length%2)return buffer.error("Decoding of string type: bmpstr length mismatch");let str="";for(let i=0;i<raw.length/2;i++)str+=_StringfromCharCode(raw.readUInt16BE(2*i));return str}if("numstr"===tag){const numstr=buffer.raw().toString("ascii");return this._isNumstr(numstr)?numstr:buffer.error("Decoding of string type: numstr unsupported characters")}if("octstr"===tag)return buffer.raw();if("objDesc"===tag)return buffer.raw();if("printstr"===tag){const printstr=buffer.raw().toString("ascii");return this._isPrintstr(printstr)?printstr:buffer.error("Decoding of string type: printstr unsupported characters")}return /str$/.test(tag)?buffer.raw().toString():buffer.error("Decoding of string type: "+tag+" unsupported")},DERNode.prototype._decodeObjid=function(buffer,values,relative){let result;const identifiers=[];let ident=0,subident=0;for(;!buffer.isEmpty();)subident=buffer.readUInt8(),ident<<=7,ident|=127&subident,0==(128&subident)&&(identifiers.push(ident),ident=0);128&subident&&identifiers.push(ident);const first=0|identifiers[0]/40,second=identifiers[0]%40;if(result=relative?identifiers:[first,second].concat(identifiers.slice(1)),values){let tmp=values[result.join(" ")];void 0===tmp&&(tmp=values[result.join(".")]),void 0!==tmp&&(result=tmp)}return result},DERNode.prototype._decodeTime=function(buffer,tag){const str=buffer.raw().toString();let year,mon,day,hour,min,sec;if("gentime"===tag)year=0|str.slice(0,4),mon=0|str.slice(4,6),day=0|str.slice(6,8),hour=0|str.slice(8,10),min=0|str.slice(10,12),sec=0|str.slice(12,14);else if("utctime"===tag)year=0|str.slice(0,2),mon=0|str.slice(2,4),day=0|str.slice(4,6),hour=0|str.slice(6,8),min=0|str.slice(8,10),sec=0|str.slice(10,12),year=70>year?2e3+year:1900+year;else return buffer.error("Decoding "+tag+" time is not supported yet");return Date.UTC(year,mon-1,day,hour,min,sec,0)},DERNode.prototype._decodeNull=function(){return null},DERNode.prototype._decodeBool=function(buffer){const res=buffer.readUInt8();return buffer.isError(res)?res:0!==res},DERNode.prototype._decodeInt=function(buffer,values){const raw=buffer.raw();let res=new bignum(raw);return values&&(res=values[res.toString(10)]||res),res},DERNode.prototype._use=function(entity,obj){return"function"==typeof entity&&(entity=entity(obj)),entity._getDecoder("der").tree}},{"../base/buffer":10,"../base/node":12,"../constants/der":14,"bn.js":22,inherits:145}],17:[function(require,module,exports){"use strict";const decoders=exports;decoders.der=require("./der"),decoders.pem=require("./pem")},{"./der":16,"./pem":18}],18:[function(require,module){"use strict";function PEMDecoder(entity){DERDecoder.call(this,entity),this.enc="pem"}const inherits=require("inherits"),Buffer=require("safer-buffer").Buffer,DERDecoder=require("./der");inherits(PEMDecoder,DERDecoder),module.exports=PEMDecoder,PEMDecoder.prototype.decode=function(data,options){const lines=data.toString().split(/[\r\n]+/g),label=options.label.toUpperCase();let start=-1,end=-1;for(let i=0;i<lines.length;i++){const match=lines[i].match(/^-----(BEGIN|END) ([^-]+)-----$/);if(null!==match&&match[2]===label)if(-1===start){if("BEGIN"!==match[1])break;start=i}else{if("END"!==match[1])break;end=i;break}}if(-1===start||-1===end)throw new Error("PEM section not found for: "+label);const base64=lines.slice(start+1,end).join("");base64.replace(/[^a-z0-9+/=]+/gi,"");const input=Buffer.from(base64,"base64");return DERDecoder.prototype.decode.call(this,input,options)}},{"./der":16,inherits:145,"safer-buffer":235}],19:[function(require,module){"use strict";function DEREncoder(entity){this.enc="der",this.name=entity.name,this.entity=entity,this.tree=new DERNode,this.tree._init(entity.body)}function DERNode(parent){Node.call(this,"der",parent)}function two(num){return 10>num?"0"+num:num}function encodeTag(tag,primitive,cls,reporter){let res;if("seqof"===tag?tag="seq":"setof"==tag&&(tag="set"),der.tagByName.hasOwnProperty(tag))res=der.tagByName[tag];else if("number"==typeof tag&&(0|tag)===tag)res=tag;else return reporter.error("Unknown tag: "+tag);return 31<=res?reporter.error("Multi-octet tag encoding unsupported"):(primitive||(res|=32),res|=der.tagClassByName[cls||"universal"]<<6,res)}const inherits=require("inherits"),Buffer=require("safer-buffer").Buffer,Node=require("../base/node"),der=require("../constants/der");module.exports=DEREncoder,DEREncoder.prototype.encode=function(data,reporter){return this.tree._encode(data,reporter).join()},inherits(DERNode,Node),DERNode.prototype._encodeComposite=function(tag,primitive,cls,content){const encodedTag=encodeTag(tag,primitive,cls,this.reporter);if(128>content.length){const header=Buffer.alloc(2);return header[0]=encodedTag,header[1]=content.length,this._createEncoderBuffer([header,content])}let lenOctets=1;for(let i=content.length;256<=i;i>>=8)lenOctets++;const header=Buffer.alloc(2+lenOctets);header[0]=encodedTag,header[1]=128|lenOctets;for(let i=1+lenOctets,j=content.length;0<j;i--,j>>=8)header[i]=255&j;return this._createEncoderBuffer([header,content])},DERNode.prototype._encodeStr=function(str,tag){if("bitstr"===tag)return this._createEncoderBuffer([0|str.unused,str.data]);if("bmpstr"===tag){const buf=Buffer.alloc(2*str.length);for(let i=0;i<str.length;i++)buf.writeUInt16BE(str.charCodeAt(i),2*i);return this._createEncoderBuffer(buf)}return"numstr"===tag?this._isNumstr(str)?this._createEncoderBuffer(str):this.reporter.error("Encoding of string type: numstr supports only digits and space"):"printstr"===tag?this._isPrintstr(str)?this._createEncoderBuffer(str):this.reporter.error("Encoding of string type: printstr supports only latin upper and lower case letters, digits, space, apostrophe, left and rigth parenthesis, plus sign, comma, hyphen, dot, slash, colon, equal sign, question mark"):/str$/.test(tag)?this._createEncoderBuffer(str):"objDesc"===tag?this._createEncoderBuffer(str):this.reporter.error("Encoding of string type: "+tag+" unsupported")},DERNode.prototype._encodeObjid=function(id,values,relative){if("string"==typeof id){if(!values)return this.reporter.error("string objid given, but no values map found");if(!values.hasOwnProperty(id))return this.reporter.error("objid not found in values map");id=values[id].split(/[\s.]+/g);for(let i=0;i<id.length;i++)id[i]|=0}else if(Array.isArray(id)){id=id.slice();for(let i=0;i<id.length;i++)id[i]|=0}if(!Array.isArray(id))return this.reporter.error("objid() should be either array or string, got: "+JSON.stringify(id));if(!relative){if(40<=id[1])return this.reporter.error("Second objid identifier OOB");id.splice(0,2,40*id[0]+id[1])}let size=0;for(let i=0,ident;i<id.length;i++)for(ident=id[i],size++;128<=ident;ident>>=7)size++;const objid=Buffer.alloc(size);let offset=objid.length-1;for(let i=id.length-1,ident;0<=i;i--)for(ident=id[i],objid[offset--]=127&ident;0<(ident>>=7);)objid[offset--]=128|127&ident;return this._createEncoderBuffer(objid)},DERNode.prototype._encodeTime=function(time,tag){let str;const date=new Date(time);return"gentime"===tag?str=[two(date.getUTCFullYear()),two(date.getUTCMonth()+1),two(date.getUTCDate()),two(date.getUTCHours()),two(date.getUTCMinutes()),two(date.getUTCSeconds()),"Z"].join(""):"utctime"===tag?str=[two(date.getUTCFullYear()%100),two(date.getUTCMonth()+1),two(date.getUTCDate()),two(date.getUTCHours()),two(date.getUTCMinutes()),two(date.getUTCSeconds()),"Z"].join(""):this.reporter.error("Encoding "+tag+" time is not supported yet"),this._encodeStr(str,"octstr")},DERNode.prototype._encodeNull=function(){return this._createEncoderBuffer("")},DERNode.prototype._encodeInt=function(num,values){if("string"==typeof num){if(!values)return this.reporter.error("String int or enum given, but no values map");if(!values.hasOwnProperty(num))return this.reporter.error("Values map doesn't contain: "+JSON.stringify(num));num=values[num]}if("number"!=typeof num&&!Buffer.isBuffer(num)){const numArray=num.toArray();!num.sign&&128&numArray[0]&&numArray.unshift(0),num=Buffer.from(numArray)}if(Buffer.isBuffer(num)){let size=num.length;0===num.length&&size++;const out=Buffer.alloc(size);return num.copy(out),0===num.length&&(out[0]=0),this._createEncoderBuffer(out)}if(128>num)return this._createEncoderBuffer(num);if(256>num)return this._createEncoderBuffer([0,num]);let size=1;for(let i=num;256<=i;i>>=8)size++;const out=Array(size);for(let i=out.length-1;0<=i;i--)out[i]=255&num,num>>=8;return 128&out[0]&&out.unshift(0),this._createEncoderBuffer(Buffer.from(out))},DERNode.prototype._encodeBool=function(value){return this._createEncoderBuffer(value?255:0)},DERNode.prototype._use=function(entity,obj){return"function"==typeof entity&&(entity=entity(obj)),entity._getEncoder("der").tree},DERNode.prototype._skipDefault=function(dataBuffer,reporter,parent){const state=this._baseState;let i;if(null===state["default"])return!1;const data=dataBuffer.join();if(void 0===state.defaultBuffer&&(state.defaultBuffer=this._encodeValue(state["default"],reporter,parent).join()),data.length!==state.defaultBuffer.length)return!1;for(i=0;i<data.length;i++)if(data[i]!==state.defaultBuffer[i])return!1;return!0}},{"../base/node":12,"../constants/der":14,inherits:145,"safer-buffer":235}],20:[function(require,module,exports){"use strict";const encoders=exports;encoders.der=require("./der"),encoders.pem=require("./pem")},{"./der":19,"./pem":21}],21:[function(require,module){"use strict";function PEMEncoder(entity){DEREncoder.call(this,entity),this.enc="pem"}const inherits=require("inherits"),DEREncoder=require("./der");inherits(PEMEncoder,DEREncoder),module.exports=PEMEncoder,PEMEncoder.prototype.encode=function(data,options){const buf=DEREncoder.prototype.encode.call(this,data),p=buf.toString("base64"),out=["-----BEGIN "+options.label+"-----"];for(let i=0;i<p.length;i+=64)out.push(p.slice(i,i+64));return out.push("-----END "+options.label+"-----"),out.join("\n")}},{"./der":19,inherits:145}],22:[function(require,module){(function(module,exports){"use strict";function assert(val,msg){if(!val)throw new Error(msg||"Assertion failed")}function inherits(ctor,superCtor){ctor.super_=superCtor;var TempCtor=function(){};TempCtor.prototype=superCtor.prototype,ctor.prototype=new TempCtor,ctor.prototype.constructor=ctor}function BN(number,base,endian){return BN.isBN(number)?number:void(this.negative=0,this.words=null,this.length=0,this.red=null,null!==number&&(("le"===base||"be"===base)&&(endian=base,base=10),this._init(number||0,base||10,endian||"be")))}function parseHex4Bits(string,index){var c=string.charCodeAt(index);return 65<=c&&70>=c?c-55:97<=c&&102>=c?c-87:15&c-48}function parseHexByte(string,lowerBound,index){var r=parseHex4Bits(string,index);return index-1>=lowerBound&&(r|=parseHex4Bits(string,index-1)<<4),r}function parseBase(str,start,end,mul){for(var r=0,len=_Mathmin(str.length,end),i=start,c;i<len;i++)c=str.charCodeAt(i)-48,r*=mul,r+=49<=c?c-49+10:17<=c?c-17+10:c;return r}function toBitArray(num){for(var w=Array(num.bitLength()),bit=0;bit<w.length;bit++){var off=0|bit/26,wbit=bit%26;w[bit]=(num.words[off]&1<<wbit)>>>wbit}return w}function smallMulTo(self,num,out){out.negative=num.negative^self.negative;var len=0|self.length+num.length;out.length=len,len=0|len-1;var a=0|self.words[0],b=0|num.words[0],r=a*b,lo=67108863&r,carry=0|r/67108864;out.words[0]=lo;for(var k=1;k<len;k++){for(var ncarry=carry>>>26,rword=67108863&carry,maxJ=_Mathmin(k,num.length-1),j=_Mathmax(0,k-self.length+1),i;j<=maxJ;j++)i=0|k-j,a=0|self.words[i],b=0|num.words[j],r=a*b+rword,ncarry+=0|r/67108864,rword=67108863&r;out.words[k]=0|rword,carry=0|ncarry}return 0===carry?out.length--:out.words[k]=0|carry,out.strip()}function bigMulTo(self,num,out){out.negative=num.negative^self.negative,out.length=self.length+num.length;for(var carry=0,hncarry=0,k=0,ncarry;k<out.length-1;k++){ncarry=hncarry,hncarry=0;for(var rword=67108863&carry,maxJ=_Mathmin(k,num.length-1),j=_Mathmax(0,k-self.length+1);j<=maxJ;j++){var i=k-j,a=0|self.words[i],b=0|num.words[j],r=a*b,lo=67108863&r;ncarry=0|ncarry+(0|r/67108864),lo=0|lo+rword,rword=67108863&lo,ncarry=0|ncarry+(lo>>>26),hncarry+=ncarry>>>26,ncarry&=67108863}out.words[k]=rword,carry=ncarry,ncarry=hncarry}return 0===carry?out.length--:out.words[k]=carry,out.strip()}function jumboMulTo(self,num,out){var fftm=new FFTM;return fftm.mulp(self,num,out)}function FFTM(x,y){this.x=x,this.y=y}function MPrime(name,p){this.name=name,this.p=new BN(p,16),this.n=this.p.bitLength(),this.k=new BN(1).iushln(this.n).isub(this.p),this.tmp=this._tmp()}function K256(){MPrime.call(this,"k256","ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f")}function P224(){MPrime.call(this,"p224","ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001")}function P192(){MPrime.call(this,"p192","ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff")}function P25519(){MPrime.call(this,"25519","7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed")}function Red(m){if("string"==typeof m){var prime=BN._prime(m);this.m=prime.p,this.prime=prime}else assert(m.gtn(1),"modulus must be greater than 1"),this.m=m,this.prime=null}function Mont(m){Red.call(this,m),this.shift=this.m.bitLength(),0!=this.shift%26&&(this.shift+=26-this.shift%26),this.r=new BN(1).iushln(this.shift),this.r2=this.imod(this.r.sqr()),this.rinv=this.r._invmp(this.m),this.minv=this.rinv.mul(this.r).isubn(1).div(this.m),this.minv=this.minv.umod(this.r),this.minv=this.r.sub(this.minv)}"object"==typeof module?module.exports=BN:exports.BN=BN,BN.BN=BN,BN.wordSize=26;var Buffer;try{Buffer="undefined"!=typeof window&&"undefined"!=typeof window.Buffer?window.Buffer:require("buffer").Buffer}catch(e){}BN.isBN=function(num){return!!(num instanceof BN)||null!==num&&"object"==typeof num&&num.constructor.wordSize===BN.wordSize&&Array.isArray(num.words)},BN.max=function(left,right){return 0<left.cmp(right)?left:right},BN.min=function(left,right){return 0>left.cmp(right)?left:right},BN.prototype._init=function(number,base,endian){if("number"==typeof number)return this._initNumber(number,base,endian);if("object"==typeof number)return this._initArray(number,base,endian);"hex"===base&&(base=16),assert(base===(0|base)&&2<=base&&36>=base),number=number.toString().replace(/\s+/g,"");var start=0;"-"===number[0]&&(start++,this.negative=1),start<number.length&&(16===base?this._parseHex(number,start,endian):(this._parseBase(number,base,start),"le"===endian&&this._initArray(this.toArray(),base,endian)))},BN.prototype._initNumber=function(number,base,endian){0>number&&(this.negative=1,number=-number),67108864>number?(this.words=[67108863&number],this.length=1):4503599627370496>number?(this.words=[67108863&number,67108863&number/67108864],this.length=2):(assert(9007199254740992>number),this.words=[67108863&number,67108863&number/67108864,1],this.length=3);"le"!==endian||this._initArray(this.toArray(),base,endian)},BN.prototype._initArray=function(number,base,endian){if(assert("number"==typeof number.length),0>=number.length)return this.words=[0],this.length=1,this;this.length=_Mathceil(number.length/3),this.words=Array(this.length);for(var i=0;i<this.length;i++)this.words[i]=0;var off=0,j,w;if("be"===endian)for(i=number.length-1,j=0;0<=i;i-=3)w=number[i]|number[i-1]<<8|number[i-2]<<16,this.words[j]|=67108863&w<<off,this.words[j+1]=67108863&w>>>26-off,off+=24,26<=off&&(off-=26,j++);else if("le"===endian)for(i=0,j=0;i<number.length;i+=3)w=number[i]|number[i+1]<<8|number[i+2]<<16,this.words[j]|=67108863&w<<off,this.words[j+1]=67108863&w>>>26-off,off+=24,26<=off&&(off-=26,j++);return this.strip()},BN.prototype._parseHex=function(number,start,endian){this.length=_Mathceil((number.length-start)/6),this.words=Array(this.length);for(var i=0;i<this.length;i++)this.words[i]=0;var off=0,j=0,w;if("be"===endian)for(i=number.length-1;i>=start;i-=2)w=parseHexByte(number,start,i)<<off,this.words[j]|=67108863&w,18<=off?(off-=18,j+=1,this.words[j]|=w>>>26):off+=8;else{var parseLength=number.length-start;for(i=0==parseLength%2?start+1:start;i<number.length;i+=2)w=parseHexByte(number,start,i)<<off,this.words[j]|=67108863&w,18<=off?(off-=18,j+=1,this.words[j]|=w>>>26):off+=8}this.strip()},BN.prototype._parseBase=function(number,base,start){this.words=[0],this.length=1;for(var limbLen=0,limbPow=1;67108863>=limbPow;limbPow*=base)limbLen++;limbLen--,limbPow=0|limbPow/base;for(var total=number.length-start,mod=total%limbLen,end=_Mathmin(total,total-mod)+start,word=0,i=start;i<end;i+=limbLen)word=parseBase(number,i,i+limbLen,base),this.imuln(limbPow),67108864>this.words[0]+word?this.words[0]+=word:this._iaddn(word);if(0!==mod){var pow=1;for(word=parseBase(number,i,number.length,base),i=0;i<mod;i++)pow*=base;this.imuln(pow),67108864>this.words[0]+word?this.words[0]+=word:this._iaddn(word)}this.strip()},BN.prototype.copy=function(dest){dest.words=Array(this.length);for(var i=0;i<this.length;i++)dest.words[i]=this.words[i];dest.length=this.length,dest.negative=this.negative,dest.red=this.red},BN.prototype.clone=function(){var r=new BN(null);return this.copy(r),r},BN.prototype._expand=function(size){for(;this.length<size;)this.words[this.length++]=0;return this},BN.prototype.strip=function(){for(;1<this.length&&0===this.words[this.length-1];)this.length--;return this._normSign()},BN.prototype._normSign=function(){return 1===this.length&&0===this.words[0]&&(this.negative=0),this},BN.prototype.inspect=function(){return(this.red?"<BN-R: ":"<BN: ")+this.toString(16)+">"};var zeros=["","0","00","000","0000","00000","000000","0000000","00000000","000000000","0000000000","00000000000","000000000000","0000000000000","00000000000000","000000000000000","0000000000000000","00000000000000000","000000000000000000","0000000000000000000","00000000000000000000","000000000000000000000","0000000000000000000000","00000000000000000000000","000000000000000000000000","0000000000000000000000000"],groupSizes=[0,0,25,16,12,11,10,9,8,8,7,7,7,7,6,6,6,6,6,6,6,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5],groupBases=[0,0,33554432,43046721,16777216,48828125,60466176,40353607,16777216,43046721,1e7,19487171,35831808,62748517,7529536,11390625,16777216,24137569,34012224,47045881,64e6,4084101,5153632,6436343,7962624,9765625,11881376,14348907,17210368,20511149,243e5,28629151,33554432,39135393,45435424,52521875,60466176];BN.prototype.toString=function(base,padding){base=base||10,padding=0|padding||1;var out;if(16===base||"hex"===base){out="";for(var off=0,carry=0,i=0;i<this.length;i++){var w=this.words[i],word=(16777215&(w<<off|carry)).toString(16);carry=16777215&w>>>24-off,out=0!==carry||i!==this.length-1?zeros[6-word.length]+word+out:word+out,off+=2,26<=off&&(off-=26,i--)}for(0!==carry&&(out=carry.toString(16)+out);0!=out.length%padding;)out="0"+out;return 0!==this.negative&&(out="-"+out),out}if(base===(0|base)&&2<=base&&36>=base){var groupSize=groupSizes[base],groupBase=groupBases[base];out="";var c=this.clone();for(c.negative=0;!c.isZero();){var r=c.modn(groupBase).toString(base);c=c.idivn(groupBase),out=c.isZero()?r+out:zeros[groupSize-r.length]+r+out}for(this.isZero()&&(out="0"+out);0!=out.length%padding;)out="0"+out;return 0!==this.negative&&(out="-"+out),out}assert(!1,"Base should be between 2 and 36")},BN.prototype.toNumber=function(){var ret=this.words[0];return 2===this.length?ret+=67108864*this.words[1]:3===this.length&&1===this.words[2]?ret+=4503599627370496+67108864*this.words[1]:2<this.length&&assert(!1,"Number can only safely store up to 53 bits"),0===this.negative?ret:-ret},BN.prototype.toJSON=function(){return this.toString(16)},BN.prototype.toBuffer=function(endian,length){return assert("undefined"!=typeof Buffer),this.toArrayLike(Buffer,endian,length)},BN.prototype.toArray=function(endian,length){return this.toArrayLike(Array,endian,length)},BN.prototype.toArrayLike=function(ArrayType,endian,length){var byteLength=this.byteLength(),reqLength=length||_Mathmax(1,byteLength);assert(byteLength<=reqLength,"byte array longer than desired length"),assert(0<reqLength,"Requested array length <= 0"),this.strip();var res=new ArrayType(reqLength),q=this.clone(),b,i;if(!("le"===endian)){for(i=0;i<reqLength-byteLength;i++)res[i]=0;for(i=0;!q.isZero();i++)b=q.andln(255),q.iushrn(8),res[reqLength-i-1]=b}else{for(i=0;!q.isZero();i++)b=q.andln(255),q.iushrn(8),res[i]=b;for(;i<reqLength;i++)res[i]=0}return res},BN.prototype._countBits=_Mathclz?function(w){return 32-_Mathclz(w)}:function(w){var t=w,r=0;return 4096<=t&&(r+=13,t>>>=13),64<=t&&(r+=7,t>>>=7),8<=t&&(r+=4,t>>>=4),2<=t&&(r+=2,t>>>=2),r+t},BN.prototype._zeroBits=function(w){if(0===w)return 26;var t=w,r=0;return 0==(8191&t)&&(r+=13,t>>>=13),0==(127&t)&&(r+=7,t>>>=7),0==(15&t)&&(r+=4,t>>>=4),0==(3&t)&&(r+=2,t>>>=2),0==(1&t)&&r++,r},BN.prototype.bitLength=function(){var w=this.words[this.length-1],hi=this._countBits(w);return 26*(this.length-1)+hi},BN.prototype.zeroBits=function(){if(this.isZero())return 0;for(var r=0,i=0,b;i<this.length&&(b=this._zeroBits(this.words[i]),r+=b,26===b);i++);return r},BN.prototype.byteLength=function(){return _Mathceil(this.bitLength()/8)},BN.prototype.toTwos=function(width){return 0===this.negative?this.clone():this.abs().inotn(width).iaddn(1)},BN.prototype.fromTwos=function(width){return this.testn(width-1)?this.notn(width).iaddn(1).ineg():this.clone()},BN.prototype.isNeg=function(){return 0!==this.negative},BN.prototype.neg=function(){return this.clone().ineg()},BN.prototype.ineg=function(){return this.isZero()||(this.negative^=1),this},BN.prototype.iuor=function(num){for(;this.length<num.length;)this.words[this.length++]=0;for(var i=0;i<num.length;i++)this.words[i]|=num.words[i];return this.strip()},BN.prototype.ior=function(num){return assert(0==(this.negative|num.negative)),this.iuor(num)},BN.prototype.or=function(num){return this.length>num.length?this.clone().ior(num):num.clone().ior(this)},BN.prototype.uor=function(num){return this.length>num.length?this.clone().iuor(num):num.clone().iuor(this)},BN.prototype.iuand=function(num){var b=this.length>num.length?num:this;for(var i=0;i<b.length;i++)this.words[i]&=num.words[i];return this.length=b.length,this.strip()},BN.prototype.iand=function(num){return assert(0==(this.negative|num.negative)),this.iuand(num)},BN.prototype.and=function(num){return this.length>num.length?this.clone().iand(num):num.clone().iand(this)},BN.prototype.uand=function(num){return this.length>num.length?this.clone().iuand(num):num.clone().iuand(this)},BN.prototype.iuxor=function(num){var a,b;this.length>num.length?(a=this,b=num):(a=num,b=this);for(var i=0;i<b.length;i++)this.words[i]=a.words[i]^b.words[i];if(this!==a)for(;i<a.length;i++)this.words[i]=a.words[i];return this.length=a.length,this.strip()},BN.prototype.ixor=function(num){return assert(0==(this.negative|num.negative)),this.iuxor(num)},BN.prototype.xor=function(num){return this.length>num.length?this.clone().ixor(num):num.clone().ixor(this)},BN.prototype.uxor=function(num){return this.length>num.length?this.clone().iuxor(num):num.clone().iuxor(this)},BN.prototype.inotn=function(width){assert("number"==typeof width&&0<=width);var bytesNeeded=0|_Mathceil(width/26),bitsLeft=width%26;this._expand(bytesNeeded),0<bitsLeft&&bytesNeeded--;for(var i=0;i<bytesNeeded;i++)this.words[i]=67108863&~this.words[i];return 0<bitsLeft&&(this.words[i]=~this.words[i]&67108863>>26-bitsLeft),this.strip()},BN.prototype.notn=function(width){return this.clone().inotn(width)},BN.prototype.setn=function(bit,val){assert("number"==typeof bit&&0<=bit);var off=0|bit/26,wbit=bit%26;return this._expand(off+1),val?this.words[off]|=1<<wbit:this.words[off]&=~(1<<wbit),this.strip()},BN.prototype.iadd=function(num){var r;if(0!==this.negative&&0===num.negative)return this.negative=0,r=this.isub(num),this.negative^=1,this._normSign();if(0===this.negative&&0!==num.negative)return num.negative=0,r=this.isub(num),num.negative=1,r._normSign();var a,b;this.length>num.length?(a=this,b=num):(a=num,b=this);for(var carry=0,i=0;i<b.length;i++)r=(0|a.words[i])+(0|b.words[i])+carry,this.words[i]=67108863&r,carry=r>>>26;for(;0!==carry&&i<a.length;i++)r=(0|a.words[i])+carry,this.words[i]=67108863&r,carry=r>>>26;if(this.length=a.length,0!==carry)this.words[this.length]=carry,this.length++;else if(a!==this)for(;i<a.length;i++)this.words[i]=a.words[i];return this},BN.prototype.add=function(num){var res;return 0!==num.negative&&0===this.negative?(num.negative=0,res=this.sub(num),num.negative^=1,res):0===num.negative&&0!==this.negative?(this.negative=0,res=num.sub(this),this.negative=1,res):this.length>num.length?this.clone().iadd(num):num.clone().iadd(this)},BN.prototype.isub=function(num){if(0!==num.negative){num.negative=0;var r=this.iadd(num);return num.negative=1,r._normSign()}if(0!==this.negative)return this.negative=0,this.iadd(num),this.negative=1,this._normSign();var cmp=this.cmp(num);if(0===cmp)return this.negative=0,this.length=1,this.words[0]=0,this;var a,b;0<cmp?(a=this,b=num):(a=num,b=this);for(var carry=0,i=0;i<b.length;i++)r=(0|a.words[i])-(0|b.words[i])+carry,carry=r>>26,this.words[i]=67108863&r;for(;0!==carry&&i<a.length;i++)r=(0|a.words[i])+carry,carry=r>>26,this.words[i]=67108863&r;if(0===carry&&i<a.length&&a!==this)for(;i<a.length;i++)this.words[i]=a.words[i];return this.length=_Mathmax(this.length,i),a!==this&&(this.negative=1),this.strip()},BN.prototype.sub=function(num){return this.clone().isub(num)};var comb10MulTo=function(self,num,out){var a=self.words,b=num.words,o=out.words,c=0,a0=0|a[0],al0=8191&a0,ah0=a0>>>13,a1=0|a[1],al1=8191&a1,ah1=a1>>>13,a2=0|a[2],al2=8191&a2,ah2=a2>>>13,a3=0|a[3],al3=8191&a3,ah3=a3>>>13,a4=0|a[4],al4=8191&a4,ah4=a4>>>13,a5=0|a[5],al5=8191&a5,ah5=a5>>>13,a6=0|a[6],al6=8191&a6,ah6=a6>>>13,a7=0|a[7],al7=8191&a7,ah7=a7>>>13,a8=0|a[8],al8=8191&a8,ah8=a8>>>13,a9=0|a[9],al9=8191&a9,ah9=a9>>>13,b0=0|b[0],bl0=8191&b0,bh0=b0>>>13,b1=0|b[1],bl1=8191&b1,bh1=b1>>>13,b2=0|b[2],bl2=8191&b2,bh2=b2>>>13,b3=0|b[3],bl3=8191&b3,bh3=b3>>>13,b4=0|b[4],bl4=8191&b4,bh4=b4>>>13,b5=0|b[5],bl5=8191&b5,bh5=b5>>>13,b6=0|b[6],bl6=8191&b6,bh6=b6>>>13,b7=0|b[7],bl7=8191&b7,bh7=b7>>>13,b8=0|b[8],bl8=8191&b8,bh8=b8>>>13,b9=0|b[9],bl9=8191&b9,bh9=b9>>>13,lo,mid,hi;out.negative=self.negative^num.negative,out.length=19,lo=_Mathimul(al0,bl0),mid=_Mathimul(al0,bh0),mid=0|mid+_Mathimul(ah0,bl0),hi=_Mathimul(ah0,bh0);var w0=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w0>>>26),w0&=67108863,lo=_Mathimul(al1,bl0),mid=_Mathimul(al1,bh0),mid=0|mid+_Mathimul(ah1,bl0),hi=_Mathimul(ah1,bh0),lo=0|lo+_Mathimul(al0,bl1),mid=0|mid+_Mathimul(al0,bh1),mid=0|mid+_Mathimul(ah0,bl1),hi=0|hi+_Mathimul(ah0,bh1);var w1=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w1>>>26),w1&=67108863,lo=_Mathimul(al2,bl0),mid=_Mathimul(al2,bh0),mid=0|mid+_Mathimul(ah2,bl0),hi=_Mathimul(ah2,bh0),lo=0|lo+_Mathimul(al1,bl1),mid=0|mid+_Mathimul(al1,bh1),mid=0|mid+_Mathimul(ah1,bl1),hi=0|hi+_Mathimul(ah1,bh1),lo=0|lo+_Mathimul(al0,bl2),mid=0|mid+_Mathimul(al0,bh2),mid=0|mid+_Mathimul(ah0,bl2),hi=0|hi+_Mathimul(ah0,bh2);var w2=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w2>>>26),w2&=67108863,lo=_Mathimul(al3,bl0),mid=_Mathimul(al3,bh0),mid=0|mid+_Mathimul(ah3,bl0),hi=_Mathimul(ah3,bh0),lo=0|lo+_Mathimul(al2,bl1),mid=0|mid+_Mathimul(al2,bh1),mid=0|mid+_Mathimul(ah2,bl1),hi=0|hi+_Mathimul(ah2,bh1),lo=0|lo+_Mathimul(al1,bl2),mid=0|mid+_Mathimul(al1,bh2),mid=0|mid+_Mathimul(ah1,bl2),hi=0|hi+_Mathimul(ah1,bh2),lo=0|lo+_Mathimul(al0,bl3),mid=0|mid+_Mathimul(al0,bh3),mid=0|mid+_Mathimul(ah0,bl3),hi=0|hi+_Mathimul(ah0,bh3);var w3=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w3>>>26),w3&=67108863,lo=_Mathimul(al4,bl0),mid=_Mathimul(al4,bh0),mid=0|mid+_Mathimul(ah4,bl0),hi=_Mathimul(ah4,bh0),lo=0|lo+_Mathimul(al3,bl1),mid=0|mid+_Mathimul(al3,bh1),mid=0|mid+_Mathimul(ah3,bl1),hi=0|hi+_Mathimul(ah3,bh1),lo=0|lo+_Mathimul(al2,bl2),mid=0|mid+_Mathimul(al2,bh2),mid=0|mid+_Mathimul(ah2,bl2),hi=0|hi+_Mathimul(ah2,bh2),lo=0|lo+_Mathimul(al1,bl3),mid=0|mid+_Mathimul(al1,bh3),mid=0|mid+_Mathimul(ah1,bl3),hi=0|hi+_Mathimul(ah1,bh3),lo=0|lo+_Mathimul(al0,bl4),mid=0|mid+_Mathimul(al0,bh4),mid=0|mid+_Mathimul(ah0,bl4),hi=0|hi+_Mathimul(ah0,bh4);var w4=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w4>>>26),w4&=67108863,lo=_Mathimul(al5,bl0),mid=_Mathimul(al5,bh0),mid=0|mid+_Mathimul(ah5,bl0),hi=_Mathimul(ah5,bh0),lo=0|lo+_Mathimul(al4,bl1),mid=0|mid+_Mathimul(al4,bh1),mid=0|mid+_Mathimul(ah4,bl1),hi=0|hi+_Mathimul(ah4,bh1),lo=0|lo+_Mathimul(al3,bl2),mid=0|mid+_Mathimul(al3,bh2),mid=0|mid+_Mathimul(ah3,bl2),hi=0|hi+_Mathimul(ah3,bh2),lo=0|lo+_Mathimul(al2,bl3),mid=0|mid+_Mathimul(al2,bh3),mid=0|mid+_Mathimul(ah2,bl3),hi=0|hi+_Mathimul(ah2,bh3),lo=0|lo+_Mathimul(al1,bl4),mid=0|mid+_Mathimul(al1,bh4),mid=0|mid+_Mathimul(ah1,bl4),hi=0|hi+_Mathimul(ah1,bh4),lo=0|lo+_Mathimul(al0,bl5),mid=0|mid+_Mathimul(al0,bh5),mid=0|mid+_Mathimul(ah0,bl5),hi=0|hi+_Mathimul(ah0,bh5);var w5=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w5>>>26),w5&=67108863,lo=_Mathimul(al6,bl0),mid=_Mathimul(al6,bh0),mid=0|mid+_Mathimul(ah6,bl0),hi=_Mathimul(ah6,bh0),lo=0|lo+_Mathimul(al5,bl1),mid=0|mid+_Mathimul(al5,bh1),mid=0|mid+_Mathimul(ah5,bl1),hi=0|hi+_Mathimul(ah5,bh1),lo=0|lo+_Mathimul(al4,bl2),mid=0|mid+_Mathimul(al4,bh2),mid=0|mid+_Mathimul(ah4,bl2),hi=0|hi+_Mathimul(ah4,bh2),lo=0|lo+_Mathimul(al3,bl3),mid=0|mid+_Mathimul(al3,bh3),mid=0|mid+_Mathimul(ah3,bl3),hi=0|hi+_Mathimul(ah3,bh3),lo=0|lo+_Mathimul(al2,bl4),mid=0|mid+_Mathimul(al2,bh4),mid=0|mid+_Mathimul(ah2,bl4),hi=0|hi+_Mathimul(ah2,bh4),lo=0|lo+_Mathimul(al1,bl5),mid=0|mid+_Mathimul(al1,bh5),mid=0|mid+_Mathimul(ah1,bl5),hi=0|hi+_Mathimul(ah1,bh5),lo=0|lo+_Mathimul(al0,bl6),mid=0|mid+_Mathimul(al0,bh6),mid=0|mid+_Mathimul(ah0,bl6),hi=0|hi+_Mathimul(ah0,bh6);var w6=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w6>>>26),w6&=67108863,lo=_Mathimul(al7,bl0),mid=_Mathimul(al7,bh0),mid=0|mid+_Mathimul(ah7,bl0),hi=_Mathimul(ah7,bh0),lo=0|lo+_Mathimul(al6,bl1),mid=0|mid+_Mathimul(al6,bh1),mid=0|mid+_Mathimul(ah6,bl1),hi=0|hi+_Mathimul(ah6,bh1),lo=0|lo+_Mathimul(al5,bl2),mid=0|mid+_Mathimul(al5,bh2),mid=0|mid+_Mathimul(ah5,bl2),hi=0|hi+_Mathimul(ah5,bh2),lo=0|lo+_Mathimul(al4,bl3),mid=0|mid+_Mathimul(al4,bh3),mid=0|mid+_Mathimul(ah4,bl3),hi=0|hi+_Mathimul(ah4,bh3),lo=0|lo+_Mathimul(al3,bl4),mid=0|mid+_Mathimul(al3,bh4),mid=0|mid+_Mathimul(ah3,bl4),hi=0|hi+_Mathimul(ah3,bh4),lo=0|lo+_Mathimul(al2,bl5),mid=0|mid+_Mathimul(al2,bh5),mid=0|mid+_Mathimul(ah2,bl5),hi=0|hi+_Mathimul(ah2,bh5),lo=0|lo+_Mathimul(al1,bl6),mid=0|mid+_Mathimul(al1,bh6),mid=0|mid+_Mathimul(ah1,bl6),hi=0|hi+_Mathimul(ah1,bh6),lo=0|lo+_Mathimul(al0,bl7),mid=0|mid+_Mathimul(al0,bh7),mid=0|mid+_Mathimul(ah0,bl7),hi=0|hi+_Mathimul(ah0,bh7);var w7=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w7>>>26),w7&=67108863,lo=_Mathimul(al8,bl0),mid=_Mathimul(al8,bh0),mid=0|mid+_Mathimul(ah8,bl0),hi=_Mathimul(ah8,bh0),lo=0|lo+_Mathimul(al7,bl1),mid=0|mid+_Mathimul(al7,bh1),mid=0|mid+_Mathimul(ah7,bl1),hi=0|hi+_Mathimul(ah7,bh1),lo=0|lo+_Mathimul(al6,bl2),mid=0|mid+_Mathimul(al6,bh2),mid=0|mid+_Mathimul(ah6,bl2),hi=0|hi+_Mathimul(ah6,bh2),lo=0|lo+_Mathimul(al5,bl3),mid=0|mid+_Mathimul(al5,bh3),mid=0|mid+_Mathimul(ah5,bl3),hi=0|hi+_Mathimul(ah5,bh3),lo=0|lo+_Mathimul(al4,bl4),mid=0|mid+_Mathimul(al4,bh4),mid=0|mid+_Mathimul(ah4,bl4),hi=0|hi+_Mathimul(ah4,bh4),lo=0|lo+_Mathimul(al3,bl5),mid=0|mid+_Mathimul(al3,bh5),mid=0|mid+_Mathimul(ah3,bl5),hi=0|hi+_Mathimul(ah3,bh5),lo=0|lo+_Mathimul(al2,bl6),mid=0|mid+_Mathimul(al2,bh6),mid=0|mid+_Mathimul(ah2,bl6),hi=0|hi+_Mathimul(ah2,bh6),lo=0|lo+_Mathimul(al1,bl7),mid=0|mid+_Mathimul(al1,bh7),mid=0|mid+_Mathimul(ah1,bl7),hi=0|hi+_Mathimul(ah1,bh7),lo=0|lo+_Mathimul(al0,bl8),mid=0|mid+_Mathimul(al0,bh8),mid=0|mid+_Mathimul(ah0,bl8),hi=0|hi+_Mathimul(ah0,bh8);var w8=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w8>>>26),w8&=67108863,lo=_Mathimul(al9,bl0),mid=_Mathimul(al9,bh0),mid=0|mid+_Mathimul(ah9,bl0),hi=_Mathimul(ah9,bh0),lo=0|lo+_Mathimul(al8,bl1),mid=0|mid+_Mathimul(al8,bh1),mid=0|mid+_Mathimul(ah8,bl1),hi=0|hi+_Mathimul(ah8,bh1),lo=0|lo+_Mathimul(al7,bl2),mid=0|mid+_Mathimul(al7,bh2),mid=0|mid+_Mathimul(ah7,bl2),hi=0|hi+_Mathimul(ah7,bh2),lo=0|lo+_Mathimul(al6,bl3),mid=0|mid+_Mathimul(al6,bh3),mid=0|mid+_Mathimul(ah6,bl3),hi=0|hi+_Mathimul(ah6,bh3),lo=0|lo+_Mathimul(al5,bl4),mid=0|mid+_Mathimul(al5,bh4),mid=0|mid+_Mathimul(ah5,bl4),hi=0|hi+_Mathimul(ah5,bh4),lo=0|lo+_Mathimul(al4,bl5),mid=0|mid+_Mathimul(al4,bh5),mid=0|mid+_Mathimul(ah4,bl5),hi=0|hi+_Mathimul(ah4,bh5),lo=0|lo+_Mathimul(al3,bl6),mid=0|mid+_Mathimul(al3,bh6),mid=0|mid+_Mathimul(ah3,bl6),hi=0|hi+_Mathimul(ah3,bh6),lo=0|lo+_Mathimul(al2,bl7),mid=0|mid+_Mathimul(al2,bh7),mid=0|mid+_Mathimul(ah2,bl7),hi=0|hi+_Mathimul(ah2,bh7),lo=0|lo+_Mathimul(al1,bl8),mid=0|mid+_Mathimul(al1,bh8),mid=0|mid+_Mathimul(ah1,bl8),hi=0|hi+_Mathimul(ah1,bh8),lo=0|lo+_Mathimul(al0,bl9),mid=0|mid+_Mathimul(al0,bh9),mid=0|mid+_Mathimul(ah0,bl9),hi=0|hi+_Mathimul(ah0,bh9);var w9=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w9>>>26),w9&=67108863,lo=_Mathimul(al9,bl1),mid=_Mathimul(al9,bh1),mid=0|mid+_Mathimul(ah9,bl1),hi=_Mathimul(ah9,bh1),lo=0|lo+_Mathimul(al8,bl2),mid=0|mid+_Mathimul(al8,bh2),mid=0|mid+_Mathimul(ah8,bl2),hi=0|hi+_Mathimul(ah8,bh2),lo=0|lo+_Mathimul(al7,bl3),mid=0|mid+_Mathimul(al7,bh3),mid=0|mid+_Mathimul(ah7,bl3),hi=0|hi+_Mathimul(ah7,bh3),lo=0|lo+_Mathimul(al6,bl4),mid=0|mid+_Mathimul(al6,bh4),mid=0|mid+_Mathimul(ah6,bl4),hi=0|hi+_Mathimul(ah6,bh4),lo=0|lo+_Mathimul(al5,bl5),mid=0|mid+_Mathimul(al5,bh5),mid=0|mid+_Mathimul(ah5,bl5),hi=0|hi+_Mathimul(ah5,bh5),lo=0|lo+_Mathimul(al4,bl6),mid=0|mid+_Mathimul(al4,bh6),mid=0|mid+_Mathimul(ah4,bl6),hi=0|hi+_Mathimul(ah4,bh6),lo=0|lo+_Mathimul(al3,bl7),mid=0|mid+_Mathimul(al3,bh7),mid=0|mid+_Mathimul(ah3,bl7),hi=0|hi+_Mathimul(ah3,bh7),lo=0|lo+_Mathimul(al2,bl8),mid=0|mid+_Mathimul(al2,bh8),mid=0|mid+_Mathimul(ah2,bl8),hi=0|hi+_Mathimul(ah2,bh8),lo=0|lo+_Mathimul(al1,bl9),mid=0|mid+_Mathimul(al1,bh9),mid=0|mid+_Mathimul(ah1,bl9),hi=0|hi+_Mathimul(ah1,bh9);var w10=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w10>>>26),w10&=67108863,lo=_Mathimul(al9,bl2),mid=_Mathimul(al9,bh2),mid=0|mid+_Mathimul(ah9,bl2),hi=_Mathimul(ah9,bh2),lo=0|lo+_Mathimul(al8,bl3),mid=0|mid+_Mathimul(al8,bh3),mid=0|mid+_Mathimul(ah8,bl3),hi=0|hi+_Mathimul(ah8,bh3),lo=0|lo+_Mathimul(al7,bl4),mid=0|mid+_Mathimul(al7,bh4),mid=0|mid+_Mathimul(ah7,bl4),hi=0|hi+_Mathimul(ah7,bh4),lo=0|lo+_Mathimul(al6,bl5),mid=0|mid+_Mathimul(al6,bh5),mid=0|mid+_Mathimul(ah6,bl5),hi=0|hi+_Mathimul(ah6,bh5),lo=0|lo+_Mathimul(al5,bl6),mid=0|mid+_Mathimul(al5,bh6),mid=0|mid+_Mathimul(ah5,bl6),hi=0|hi+_Mathimul(ah5,bh6),lo=0|lo+_Mathimul(al4,bl7),mid=0|mid+_Mathimul(al4,bh7),mid=0|mid+_Mathimul(ah4,bl7),hi=0|hi+_Mathimul(ah4,bh7),lo=0|lo+_Mathimul(al3,bl8),mid=0|mid+_Mathimul(al3,bh8),mid=0|mid+_Mathimul(ah3,bl8),hi=0|hi+_Mathimul(ah3,bh8),lo=0|lo+_Mathimul(al2,bl9),mid=0|mid+_Mathimul(al2,bh9),mid=0|mid+_Mathimul(ah2,bl9),hi=0|hi+_Mathimul(ah2,bh9);var w11=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w11>>>26),w11&=67108863,lo=_Mathimul(al9,bl3),mid=_Mathimul(al9,bh3),mid=0|mid+_Mathimul(ah9,bl3),hi=_Mathimul(ah9,bh3),lo=0|lo+_Mathimul(al8,bl4),mid=0|mid+_Mathimul(al8,bh4),mid=0|mid+_Mathimul(ah8,bl4),hi=0|hi+_Mathimul(ah8,bh4),lo=0|lo+_Mathimul(al7,bl5),mid=0|mid+_Mathimul(al7,bh5),mid=0|mid+_Mathimul(ah7,bl5),hi=0|hi+_Mathimul(ah7,bh5),lo=0|lo+_Mathimul(al6,bl6),mid=0|mid+_Mathimul(al6,bh6),mid=0|mid+_Mathimul(ah6,bl6),hi=0|hi+_Mathimul(ah6,bh6),lo=0|lo+_Mathimul(al5,bl7),mid=0|mid+_Mathimul(al5,bh7),mid=0|mid+_Mathimul(ah5,bl7),hi=0|hi+_Mathimul(ah5,bh7),lo=0|lo+_Mathimul(al4,bl8),mid=0|mid+_Mathimul(al4,bh8),mid=0|mid+_Mathimul(ah4,bl8),hi=0|hi+_Mathimul(ah4,bh8),lo=0|lo+_Mathimul(al3,bl9),mid=0|mid+_Mathimul(al3,bh9),mid=0|mid+_Mathimul(ah3,bl9),hi=0|hi+_Mathimul(ah3,bh9);var w12=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w12>>>26),w12&=67108863,lo=_Mathimul(al9,bl4),mid=_Mathimul(al9,bh4),mid=0|mid+_Mathimul(ah9,bl4),hi=_Mathimul(ah9,bh4),lo=0|lo+_Mathimul(al8,bl5),mid=0|mid+_Mathimul(al8,bh5),mid=0|mid+_Mathimul(ah8,bl5),hi=0|hi+_Mathimul(ah8,bh5),lo=0|lo+_Mathimul(al7,bl6),mid=0|mid+_Mathimul(al7,bh6),mid=0|mid+_Mathimul(ah7,bl6),hi=0|hi+_Mathimul(ah7,bh6),lo=0|lo+_Mathimul(al6,bl7),mid=0|mid+_Mathimul(al6,bh7),mid=0|mid+_Mathimul(ah6,bl7),hi=0|hi+_Mathimul(ah6,bh7),lo=0|lo+_Mathimul(al5,bl8),mid=0|mid+_Mathimul(al5,bh8),mid=0|mid+_Mathimul(ah5,bl8),hi=0|hi+_Mathimul(ah5,bh8),lo=0|lo+_Mathimul(al4,bl9),mid=0|mid+_Mathimul(al4,bh9),mid=0|mid+_Mathimul(ah4,bl9),hi=0|hi+_Mathimul(ah4,bh9);var w13=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w13>>>26),w13&=67108863,lo=_Mathimul(al9,bl5),mid=_Mathimul(al9,bh5),mid=0|mid+_Mathimul(ah9,bl5),hi=_Mathimul(ah9,bh5),lo=0|lo+_Mathimul(al8,bl6),mid=0|mid+_Mathimul(al8,bh6),mid=0|mid+_Mathimul(ah8,bl6),hi=0|hi+_Mathimul(ah8,bh6),lo=0|lo+_Mathimul(al7,bl7),mid=0|mid+_Mathimul(al7,bh7),mid=0|mid+_Mathimul(ah7,bl7),hi=0|hi+_Mathimul(ah7,bh7),lo=0|lo+_Mathimul(al6,bl8),mid=0|mid+_Mathimul(al6,bh8),mid=0|mid+_Mathimul(ah6,bl8),hi=0|hi+_Mathimul(ah6,bh8),lo=0|lo+_Mathimul(al5,bl9),mid=0|mid+_Mathimul(al5,bh9),mid=0|mid+_Mathimul(ah5,bl9),hi=0|hi+_Mathimul(ah5,bh9);var w14=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w14>>>26),w14&=67108863,lo=_Mathimul(al9,bl6),mid=_Mathimul(al9,bh6),mid=0|mid+_Mathimul(ah9,bl6),hi=_Mathimul(ah9,bh6),lo=0|lo+_Mathimul(al8,bl7),mid=0|mid+_Mathimul(al8,bh7),mid=0|mid+_Mathimul(ah8,bl7),hi=0|hi+_Mathimul(ah8,bh7),lo=0|lo+_Mathimul(al7,bl8),mid=0|mid+_Mathimul(al7,bh8),mid=0|mid+_Mathimul(ah7,bl8),hi=0|hi+_Mathimul(ah7,bh8),lo=0|lo+_Mathimul(al6,bl9),mid=0|mid+_Mathimul(al6,bh9),mid=0|mid+_Mathimul(ah6,bl9),hi=0|hi+_Mathimul(ah6,bh9);var w15=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w15>>>26),w15&=67108863,lo=_Mathimul(al9,bl7),mid=_Mathimul(al9,bh7),mid=0|mid+_Mathimul(ah9,bl7),hi=_Mathimul(ah9,bh7),lo=0|lo+_Mathimul(al8,bl8),mid=0|mid+_Mathimul(al8,bh8),mid=0|mid+_Mathimul(ah8,bl8),hi=0|hi+_Mathimul(ah8,bh8),lo=0|lo+_Mathimul(al7,bl9),mid=0|mid+_Mathimul(al7,bh9),mid=0|mid+_Mathimul(ah7,bl9),hi=0|hi+_Mathimul(ah7,bh9);var w16=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w16>>>26),w16&=67108863,lo=_Mathimul(al9,bl8),mid=_Mathimul(al9,bh8),mid=0|mid+_Mathimul(ah9,bl8),hi=_Mathimul(ah9,bh8),lo=0|lo+_Mathimul(al8,bl9),mid=0|mid+_Mathimul(al8,bh9),mid=0|mid+_Mathimul(ah8,bl9),hi=0|hi+_Mathimul(ah8,bh9);var w17=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w17>>>26),w17&=67108863,lo=_Mathimul(al9,bl9),mid=_Mathimul(al9,bh9),mid=0|mid+_Mathimul(ah9,bl9),hi=_Mathimul(ah9,bh9);var w18=0|(0|c+lo)+((8191&mid)<<13);return c=0|(0|hi+(mid>>>13))+(w18>>>26),w18&=67108863,o[0]=w0,o[1]=w1,o[2]=w2,o[3]=w3,o[4]=w4,o[5]=w5,o[6]=w6,o[7]=w7,o[8]=w8,o[9]=w9,o[10]=w10,o[11]=w11,o[12]=w12,o[13]=w13,o[14]=w14,o[15]=w15,o[16]=w16,o[17]=w17,o[18]=w18,0!==c&&(o[19]=c,out.length++),out};_Mathimul||(comb10MulTo=smallMulTo),BN.prototype.mulTo=function(num,out){var len=this.length+num.length,res;return res=10===this.length&&10===num.length?comb10MulTo(this,num,out):63>len?smallMulTo(this,num,out):1024>len?bigMulTo(this,num,out):jumboMulTo(this,num,out),res},FFTM.prototype.makeRBT=function(N){for(var t=Array(N),l=BN.prototype._countBits(N)-1,i=0;i<N;i++)t[i]=this.revBin(i,l,N);return t},FFTM.prototype.revBin=function(x,l,N){if(0===x||x===N-1)return x;for(var rb=0,i=0;i<l;i++)rb|=(1&x)<<l-i-1,x>>=1;return rb},FFTM.prototype.permute=function(rbt,rws,iws,rtws,itws,N){for(var i=0;i<N;i++)rtws[i]=rws[rbt[i]],itws[i]=iws[rbt[i]]},FFTM.prototype.transform=function(rws,iws,rtws,itws,N,rbt){this.permute(rbt,rws,iws,rtws,itws,N);for(var s=1;s<N;s<<=1)for(var l=s<<1,rtwdf=_Mathcos(2*_MathPI/l),itwdf=_Mathsin(2*_MathPI/l),p=0;p<N;p+=l)for(var rtwdf_=rtwdf,itwdf_=itwdf,j=0;j<s;j++){var re=rtws[p+j],ie=itws[p+j],ro=rtws[p+j+s],io=itws[p+j+s],rx=rtwdf_*ro-itwdf_*io;io=rtwdf_*io+itwdf_*ro,ro=rx,rtws[p+j]=re+ro,itws[p+j]=ie+io,rtws[p+j+s]=re-ro,itws[p+j+s]=ie-io,j!==l&&(rx=rtwdf*rtwdf_-itwdf*itwdf_,itwdf_=rtwdf*itwdf_+itwdf*rtwdf_,rtwdf_=rx)}},FFTM.prototype.guessLen13b=function(n,m){var N=1|_Mathmax(m,n),odd=1&N,i=0;for(N=0|N/2;N;N>>>=1)i++;return 1<<i+1+odd},FFTM.prototype.conjugate=function(rws,iws,N){if(!(1>=N))for(var i=0,t;i<N/2;i++)t=rws[i],rws[i]=rws[N-i-1],rws[N-i-1]=t,t=iws[i],iws[i]=-iws[N-i-1],iws[N-i-1]=-t},FFTM.prototype.normalize13b=function(ws,N){for(var carry=0,i=0,w;i<N/2;i++)w=8192*_Mathround(ws[2*i+1]/N)+_Mathround(ws[2*i]/N)+carry,ws[i]=67108863&w,carry=67108864>w?0:0|w/67108864;return ws},FFTM.prototype.convert13b=function(ws,len,rws,N){for(var carry=0,i=0;i<len;i++)carry+=0|ws[i],rws[2*i]=8191&carry,carry>>>=13,rws[2*i+1]=8191&carry,carry>>>=13;for(i=2*len;i<N;++i)rws[i]=0;assert(0===carry),assert(0==(-8192&carry))},FFTM.prototype.stub=function(N){for(var ph=Array(N),i=0;i<N;i++)ph[i]=0;return ph},FFTM.prototype.mulp=function(x,y,out){var N=2*this.guessLen13b(x.length,y.length),rbt=this.makeRBT(N),_=this.stub(N),rws=Array(N),rwst=Array(N),iwst=Array(N),nrws=Array(N),nrwst=Array(N),niwst=Array(N),rmws=out.words;rmws.length=N,this.convert13b(x.words,x.length,rws,N),this.convert13b(y.words,y.length,nrws,N),this.transform(rws,_,rwst,iwst,N,rbt),this.transform(nrws,_,nrwst,niwst,N,rbt);for(var i=0,rx;i<N;i++)rx=rwst[i]*nrwst[i]-iwst[i]*niwst[i],iwst[i]=rwst[i]*niwst[i]+iwst[i]*nrwst[i],rwst[i]=rx;return this.conjugate(rwst,iwst,N),this.transform(rwst,iwst,rmws,_,N,rbt),this.conjugate(rmws,_,N),this.normalize13b(rmws,N),out.negative=x.negative^y.negative,out.length=x.length+y.length,out.strip()},BN.prototype.mul=function(num){var out=new BN(null);return out.words=Array(this.length+num.length),this.mulTo(num,out)},BN.prototype.mulf=function(num){var out=new BN(null);return out.words=Array(this.length+num.length),jumboMulTo(this,num,out)},BN.prototype.imul=function(num){return this.clone().mulTo(num,this)},BN.prototype.imuln=function(num){assert("number"==typeof num),assert(67108864>num);for(var carry=0,i=0;i<this.length;i++){var w=(0|this.words[i])*num,lo=(67108863&w)+(67108863&carry);carry>>=26,carry+=0|w/67108864,carry+=lo>>>26,this.words[i]=67108863&lo}return 0!==carry&&(this.words[i]=carry,this.length++),this},BN.prototype.muln=function(num){return this.clone().imuln(num)},BN.prototype.sqr=function(){return this.mul(this)},BN.prototype.isqr=function(){return this.imul(this.clone())},BN.prototype.pow=function(num){var w=toBitArray(num);if(0===w.length)return new BN(1);for(var res=this,i=0;i<w.length&&!(0!==w[i]);i++,res=res.sqr());if(++i<w.length)for(var q=res.sqr();i<w.length;i++,q=q.sqr())0!==w[i]&&(res=res.mul(q));return res},BN.prototype.iushln=function(bits){assert("number"==typeof bits&&0<=bits);var r=bits%26,s=(bits-r)/26,i;if(0!=r){var carry=0;for(i=0;i<this.length;i++){var newCarry=this.words[i]&67108863>>>26-r<<26-r,c=(0|this.words[i])-newCarry<<r;this.words[i]=c|carry,carry=newCarry>>>26-r}carry&&(this.words[i]=carry,this.length++)}if(0!==s){for(i=this.length-1;0<=i;i--)this.words[i+s]=this.words[i];for(i=0;i<s;i++)this.words[i]=0;this.length+=s}return this.strip()},BN.prototype.ishln=function(bits){return assert(0===this.negative),this.iushln(bits)},BN.prototype.iushrn=function(bits,hint,extended){assert("number"==typeof bits&&0<=bits);var h=hint?(hint-hint%26)/26:0;var r=bits%26,s=_Mathmin((bits-r)/26,this.length),maskedWords=extended;if(h-=s,h=_Mathmax(0,h),maskedWords){for(var i=0;i<s;i++)maskedWords.words[i]=this.words[i];maskedWords.length=s}if(0===s);else if(this.length>s)for(this.length-=s,i=0;i<this.length;i++)this.words[i]=this.words[i+s];else this.words[0]=0,this.length=1;var carry=0;for(i=this.length-1;0<=i&&(0!==carry||i>=h);i--){var word=0|this.words[i];this.words[i]=carry<<26-r|word>>>r,carry=word&(67108863^67108863>>>r<<r)}return maskedWords&&0!==carry&&(maskedWords.words[maskedWords.length++]=carry),0===this.length&&(this.words[0]=0,this.length=1),this.strip()},BN.prototype.ishrn=function(bits,hint,extended){return assert(0===this.negative),this.iushrn(bits,hint,extended)},BN.prototype.shln=function(bits){return this.clone().ishln(bits)},BN.prototype.ushln=function(bits){return this.clone().iushln(bits)},BN.prototype.shrn=function(bits){return this.clone().ishrn(bits)},BN.prototype.ushrn=function(bits){return this.clone().iushrn(bits)},BN.prototype.testn=function(bit){assert("number"==typeof bit&&0<=bit);var r=bit%26,s=(bit-r)/26;if(this.length<=s)return!1;var w=this.words[s];return!!(w&1<<r)},BN.prototype.imaskn=function(bits){assert("number"==typeof bits&&0<=bits);var r=bits%26,s=(bits-r)/26;if(assert(0===this.negative,"imaskn works only with positive numbers"),this.length<=s)return this;if(0!=r&&s++,this.length=_Mathmin(s,this.length),0!=r){this.words[this.length-1]&=67108863^67108863>>>r<<r}return this.strip()},BN.prototype.maskn=function(bits){return this.clone().imaskn(bits)},BN.prototype.iaddn=function(num){return assert("number"==typeof num),assert(67108864>num),0>num?this.isubn(-num):0===this.negative?this._iaddn(num):1===this.length&&(0|this.words[0])<num?(this.words[0]=num-(0|this.words[0]),this.negative=0,this):(this.negative=0,this.isubn(num),this.negative=1,this)},BN.prototype._iaddn=function(num){this.words[0]+=num;for(var i=0;i<this.length&&67108864<=this.words[i];i++)this.words[i]-=67108864,i==this.length-1?this.words[i+1]=1:this.words[i+1]++;return this.length=_Mathmax(this.length,i+1),this},BN.prototype.isubn=function(num){if(assert("number"==typeof num),assert(67108864>num),0>num)return this.iaddn(-num);if(0!==this.negative)return this.negative=0,this.iaddn(num),this.negative=1,this;if(this.words[0]-=num,1===this.length&&0>this.words[0])this.words[0]=-this.words[0],this.negative=1;else for(var i=0;i<this.length&&0>this.words[i];i++)this.words[i]+=67108864,this.words[i+1]-=1;return this.strip()},BN.prototype.addn=function(num){return this.clone().iaddn(num)},BN.prototype.subn=function(num){return this.clone().isubn(num)},BN.prototype.iabs=function(){return this.negative=0,this},BN.prototype.abs=function(){return this.clone().iabs()},BN.prototype._ishlnsubmul=function(num,mul,shift){var len=num.length+shift,i;this._expand(len);var carry=0,w;for(i=0;i<num.length;i++){w=(0|this.words[i+shift])+carry;var right=(0|num.words[i])*mul;w-=67108863&right,carry=(w>>26)-(0|right/67108864),this.words[i+shift]=67108863&w}for(;i<this.length-shift;i++)w=(0|this.words[i+shift])+carry,carry=w>>26,this.words[i+shift]=67108863&w;if(0===carry)return this.strip();for(assert(-1===carry),carry=0,i=0;i<this.length;i++)w=-(0|this.words[i])+carry,carry=w>>26,this.words[i]=67108863&w;return this.negative=1,this.strip()},BN.prototype._wordDiv=function(num,mode){var shift=this.length-num.length,a=this.clone(),b=num,bhi=0|b.words[b.length-1],bhiBits=this._countBits(bhi);shift=26-bhiBits,0!=shift&&(b=b.ushln(shift),a.iushln(shift),bhi=0|b.words[b.length-1]);var m=a.length-b.length,q;if("mod"!==mode){q=new BN(null),q.length=m+1,q.words=Array(q.length);for(var i=0;i<q.length;i++)q.words[i]=0}var diff=a.clone()._ishlnsubmul(b,1,m);0===diff.negative&&(a=diff,q&&(q.words[m]=1));for(var j=m-1,qj;0<=j;j--){for(qj=67108864*(0|a.words[b.length+j])+(0|a.words[b.length+j-1]),qj=_Mathmin(0|qj/bhi,67108863),a._ishlnsubmul(b,qj,j);0!==a.negative;)qj--,a.negative=0,a._ishlnsubmul(b,1,j),a.isZero()||(a.negative^=1);q&&(q.words[j]=qj)}return q&&q.strip(),a.strip(),"div"!==mode&&0!==shift&&a.iushrn(shift),{div:q||null,mod:a}},BN.prototype.divmod=function(num,mode,positive){if(assert(!num.isZero()),this.isZero())return{div:new BN(0),mod:new BN(0)};var div,mod,res;return 0!==this.negative&&0===num.negative?(res=this.neg().divmod(num,mode),"mod"!==mode&&(div=res.div.neg()),"div"!==mode&&(mod=res.mod.neg(),positive&&0!==mod.negative&&mod.iadd(num)),{div:div,mod:mod}):0===this.negative&&0!==num.negative?(res=this.divmod(num.neg(),mode),"mod"!==mode&&(div=res.div.neg()),{div:div,mod:res.mod}):0==(this.negative&num.negative)?num.length>this.length||0>this.cmp(num)?{div:new BN(0),mod:this}:1===num.length?"div"===mode?{div:this.divn(num.words[0]),mod:null}:"mod"===mode?{div:null,mod:new BN(this.modn(num.words[0]))}:{div:this.divn(num.words[0]),mod:new BN(this.modn(num.words[0]))}:this._wordDiv(num,mode):(res=this.neg().divmod(num.neg(),mode),"div"!==mode&&(mod=res.mod.neg(),positive&&0!==mod.negative&&mod.isub(num)),{div:res.div,mod:mod})},BN.prototype.div=function(num){return this.divmod(num,"div",!1).div},BN.prototype.mod=function(num){return this.divmod(num,"mod",!1).mod},BN.prototype.umod=function(num){return this.divmod(num,"mod",!0).mod},BN.prototype.divRound=function(num){var dm=this.divmod(num);if(dm.mod.isZero())return dm.div;var mod=0===dm.div.negative?dm.mod:dm.mod.isub(num),half=num.ushrn(1),r2=num.andln(1),cmp=mod.cmp(half);return 0>cmp||1===r2&&0===cmp?dm.div:0===dm.div.negative?dm.div.iaddn(1):dm.div.isubn(1)},BN.prototype.modn=function(num){assert(67108863>=num);for(var acc=0,i=this.length-1;0<=i;i--)acc=(67108864%num*acc+(0|this.words[i]))%num;return acc},BN.prototype.idivn=function(num){assert(67108863>=num);for(var carry=0,i=this.length-1,w;0<=i;i--)w=(0|this.words[i])+67108864*carry,this.words[i]=0|w/num,carry=w%num;return this.strip()},BN.prototype.divn=function(num){return this.clone().idivn(num)},BN.prototype.egcd=function(p){assert(0===p.negative),assert(!p.isZero());var x=this,y=p.clone();x=0===x.negative?x.clone():x.umod(p);for(var A=new BN(1),B=new BN(0),C=new BN(0),D=new BN(1),g=0;x.isEven()&&y.isEven();)x.iushrn(1),y.iushrn(1),++g;for(var yp=y.clone(),xp=x.clone();!x.isZero();){for(var i=0,im=1;0==(x.words[0]&im)&&26>i;++i,im<<=1);if(0<i)for(x.iushrn(i);0<i--;)(A.isOdd()||B.isOdd())&&(A.iadd(yp),B.isub(xp)),A.iushrn(1),B.iushrn(1);for(var j=0,jm=1;0==(y.words[0]&jm)&&26>j;++j,jm<<=1);if(0<j)for(y.iushrn(j);0<j--;)(C.isOdd()||D.isOdd())&&(C.iadd(yp),D.isub(xp)),C.iushrn(1),D.iushrn(1);0<=x.cmp(y)?(x.isub(y),A.isub(C),B.isub(D)):(y.isub(x),C.isub(A),D.isub(B))}return{a:C,b:D,gcd:y.iushln(g)}},BN.prototype._invmp=function(p){assert(0===p.negative),assert(!p.isZero());var a=this,b=p.clone();a=0===a.negative?a.clone():a.umod(p);for(var x1=new BN(1),x2=new BN(0),delta=b.clone();0<a.cmpn(1)&&0<b.cmpn(1);){for(var i=0,im=1;0==(a.words[0]&im)&&26>i;++i,im<<=1);if(0<i)for(a.iushrn(i);0<i--;)x1.isOdd()&&x1.iadd(delta),x1.iushrn(1);for(var j=0,jm=1;0==(b.words[0]&jm)&&26>j;++j,jm<<=1);if(0<j)for(b.iushrn(j);0<j--;)x2.isOdd()&&x2.iadd(delta),x2.iushrn(1);0<=a.cmp(b)?(a.isub(b),x1.isub(x2)):(b.isub(a),x2.isub(x1))}var res;return res=0===a.cmpn(1)?x1:x2,0>res.cmpn(0)&&res.iadd(p),res},BN.prototype.gcd=function(num){if(this.isZero())return num.abs();if(num.isZero())return this.abs();var a=this.clone(),b=num.clone();a.negative=0,b.negative=0;for(var shift=0;a.isEven()&&b.isEven();shift++)a.iushrn(1),b.iushrn(1);do{for(;a.isEven();)a.iushrn(1);for(;b.isEven();)b.iushrn(1);var r=a.cmp(b);if(0>r){var t=a;a=b,b=t}else if(0===r||0===b.cmpn(1))break;a.isub(b)}while(!0);return b.iushln(shift)},BN.prototype.invm=function(num){return this.egcd(num).a.umod(num)},BN.prototype.isEven=function(){return 0==(1&this.words[0])},BN.prototype.isOdd=function(){return 1==(1&this.words[0])},BN.prototype.andln=function(num){return this.words[0]&num},BN.prototype.bincn=function(bit){assert("number"==typeof bit);var r=bit%26,s=(bit-r)/26,q=1<<r;if(this.length<=s)return this._expand(s+1),this.words[s]|=q,this;for(var carry=q,i=s,w;0!==carry&&i<this.length;i++)w=0|this.words[i],w+=carry,carry=w>>>26,w&=67108863,this.words[i]=w;return 0!==carry&&(this.words[i]=carry,this.length++),this},BN.prototype.isZero=function(){return 1===this.length&&0===this.words[0]},BN.prototype.cmpn=function(num){var negative=0>num;if(0!==this.negative&&!negative)return-1;if(0===this.negative&&negative)return 1;this.strip();var res;if(1<this.length)res=1;else{negative&&(num=-num),assert(67108863>=num,"Number is too big");var w=0|this.words[0];res=w===num?0:w<num?-1:1}return 0===this.negative?res:0|-res},BN.prototype.cmp=function(num){if(0!==this.negative&&0===num.negative)return-1;if(0===this.negative&&0!==num.negative)return 1;var res=this.ucmp(num);return 0===this.negative?res:0|-res},BN.prototype.ucmp=function(num){if(this.length>num.length)return 1;if(this.length<num.length)return-1;for(var res=0,i=this.length-1;0<=i;i--){var a=0|this.words[i],b=0|num.words[i];if(a!=b){a<b?res=-1:a>b&&(res=1);break}}return res},BN.prototype.gtn=function(num){return 1===this.cmpn(num)},BN.prototype.gt=function(num){return 1===this.cmp(num)},BN.prototype.gten=function(num){return 0<=this.cmpn(num)},BN.prototype.gte=function(num){return 0<=this.cmp(num)},BN.prototype.ltn=function(num){return-1===this.cmpn(num)},BN.prototype.lt=function(num){return-1===this.cmp(num)},BN.prototype.lten=function(num){return 0>=this.cmpn(num)},BN.prototype.lte=function(num){return 0>=this.cmp(num)},BN.prototype.eqn=function(num){return 0===this.cmpn(num)},BN.prototype.eq=function(num){return 0===this.cmp(num)},BN.red=function(num){return new Red(num)},BN.prototype.toRed=function(ctx){return assert(!this.red,"Already a number in reduction context"),assert(0===this.negative,"red works only with positives"),ctx.convertTo(this)._forceRed(ctx)},BN.prototype.fromRed=function(){return assert(this.red,"fromRed works only with numbers in reduction context"),this.red.convertFrom(this)},BN.prototype._forceRed=function(ctx){return this.red=ctx,this},BN.prototype.forceRed=function(ctx){return assert(!this.red,"Already a number in reduction context"),this._forceRed(ctx)},BN.prototype.redAdd=function(num){return assert(this.red,"redAdd works only with red numbers"),this.red.add(this,num)},BN.prototype.redIAdd=function(num){return assert(this.red,"redIAdd works only with red numbers"),this.red.iadd(this,num)},BN.prototype.redSub=function(num){return assert(this.red,"redSub works only with red numbers"),this.red.sub(this,num)},BN.prototype.redISub=function(num){return assert(this.red,"redISub works only with red numbers"),this.red.isub(this,num)},BN.prototype.redShl=function(num){return assert(this.red,"redShl works only with red numbers"),this.red.shl(this,num)},BN.prototype.redMul=function(num){return assert(this.red,"redMul works only with red numbers"),this.red._verify2(this,num),this.red.mul(this,num)},BN.prototype.redIMul=function(num){return assert(this.red,"redMul works only with red numbers"),this.red._verify2(this,num),this.red.imul(this,num)},BN.prototype.redSqr=function(){return assert(this.red,"redSqr works only with red numbers"),this.red._verify1(this),this.red.sqr(this)},BN.prototype.redISqr=function(){return assert(this.red,"redISqr works only with red numbers"),this.red._verify1(this),this.red.isqr(this)},BN.prototype.redSqrt=function(){return assert(this.red,"redSqrt works only with red numbers"),this.red._verify1(this),this.red.sqrt(this)},BN.prototype.redInvm=function(){return assert(this.red,"redInvm works only with red numbers"),this.red._verify1(this),this.red.invm(this)},BN.prototype.redNeg=function(){return assert(this.red,"redNeg works only with red numbers"),this.red._verify1(this),this.red.neg(this)},BN.prototype.redPow=function(num){return assert(this.red&&!num.red,"redPow(normalNum)"),this.red._verify1(this),this.red.pow(this,num)};var primes={k256:null,p224:null,p192:null,p25519:null};MPrime.prototype._tmp=function(){var tmp=new BN(null);return tmp.words=Array(_Mathceil(this.n/13)),tmp},MPrime.prototype.ireduce=function(num){var r=num,rlen;do this.split(r,this.tmp),r=this.imulK(r),r=r.iadd(this.tmp),rlen=r.bitLength();while(rlen>this.n);var cmp=rlen<this.n?-1:r.ucmp(this.p);return 0===cmp?(r.words[0]=0,r.length=1):0<cmp?r.isub(this.p):void 0===r.strip?r._strip():r.strip(),r},MPrime.prototype.split=function(input,out){input.iushrn(this.n,0,out)},MPrime.prototype.imulK=function(num){return num.imul(this.k)},inherits(K256,MPrime),K256.prototype.split=function(input,output){for(var mask=4194303,outLen=_Mathmin(input.length,9),i=0;i<outLen;i++)output.words[i]=input.words[i];if(output.length=outLen,9>=input.length)return input.words[0]=0,void(input.length=1);var prev=input.words[9];for(output.words[output.length++]=prev&mask,i=10;i<input.length;i++){var next=0|input.words[i];input.words[i-10]=(next&mask)<<4|prev>>>22,prev=next}prev>>>=22,input.words[i-10]=prev,input.length-=0===prev&&10<input.length?10:9},K256.prototype.imulK=function(num){num.words[num.length]=0,num.words[num.length+1]=0,num.length+=2;for(var lo=0,i=0,w;i<num.length;i++)w=0|num.words[i],lo+=977*w,num.words[i]=67108863&lo,lo=64*w+(0|lo/67108864);return 0===num.words[num.length-1]&&(num.length--,0===num.words[num.length-1]&&num.length--),num},inherits(P224,MPrime),inherits(P192,MPrime),inherits(P25519,MPrime),P25519.prototype.imulK=function(num){for(var carry=0,i=0;i<num.length;i++){var hi=19*(0|num.words[i])+carry,lo=67108863&hi;hi>>>=26,num.words[i]=lo,carry=hi}return 0!==carry&&(num.words[num.length++]=carry),num},BN._prime=function prime(name){if(primes[name])return primes[name];var prime;if("k256"===name)prime=new K256;else if("p224"===name)prime=new P224;else if("p192"===name)prime=new P192;else if("p25519"===name)prime=new P25519;else throw new Error("Unknown prime "+name);return primes[name]=prime,prime},Red.prototype._verify1=function(a){assert(0===a.negative,"red works only with positives"),assert(a.red,"red works only with red numbers")},Red.prototype._verify2=function(a,b){assert(0==(a.negative|b.negative),"red works only with positives"),assert(a.red&&a.red===b.red,"red works only with red numbers")},Red.prototype.imod=function(a){return this.prime?this.prime.ireduce(a)._forceRed(this):a.umod(this.m)._forceRed(this)},Red.prototype.neg=function(a){return a.isZero()?a.clone():this.m.sub(a)._forceRed(this)},Red.prototype.add=function(a,b){this._verify2(a,b);var res=a.add(b);return 0<=res.cmp(this.m)&&res.isub(this.m),res._forceRed(this)},Red.prototype.iadd=function(a,b){this._verify2(a,b);var res=a.iadd(b);return 0<=res.cmp(this.m)&&res.isub(this.m),res},Red.prototype.sub=function(a,b){this._verify2(a,b);var res=a.sub(b);return 0>res.cmpn(0)&&res.iadd(this.m),res._forceRed(this)},Red.prototype.isub=function(a,b){this._verify2(a,b);var res=a.isub(b);return 0>res.cmpn(0)&&res.iadd(this.m),res},Red.prototype.shl=function(a,num){return this._verify1(a),this.imod(a.ushln(num))},Red.prototype.imul=function(a,b){return this._verify2(a,b),this.imod(a.imul(b))},Red.prototype.mul=function(a,b){return this._verify2(a,b),this.imod(a.mul(b))},Red.prototype.isqr=function(a){return this.imul(a,a.clone())},Red.prototype.sqr=function(a){return this.mul(a,a)},Red.prototype.sqrt=function(a){if(a.isZero())return a.clone();var mod3=this.m.andln(3);if(assert(1==mod3%2),3===mod3){var pow=this.m.add(new BN(1)).iushrn(2);return this.pow(a,pow)}for(var q=this.m.subn(1),s=0;!q.isZero()&&0===q.andln(1);)s++,q.iushrn(1);assert(!q.isZero());var one=new BN(1).toRed(this),nOne=one.redNeg(),lpow=this.m.subn(1).iushrn(1),z=this.m.bitLength();for(z=new BN(2*z*z).toRed(this);0!==this.pow(z,lpow).cmp(nOne);)z.redIAdd(nOne);for(var c=this.pow(z,q),r=this.pow(a,q.addn(1).iushrn(1)),t=this.pow(a,q),m=s;0!==t.cmp(one);){for(var tmp=t,i=0;0!==tmp.cmp(one);i++)tmp=tmp.redSqr();assert(i<m);var b=this.pow(c,new BN(1).iushln(m-i-1));r=r.redMul(b),c=b.redSqr(),t=t.redMul(c),m=i}return r},Red.prototype.invm=function(a){var inv=a._invmp(this.m);return 0===inv.negative?this.imod(inv):(inv.negative=0,this.imod(inv).redNeg())},Red.prototype.pow=function(a,num){if(num.isZero())return new BN(1).toRed(this);if(0===num.cmpn(1))return a.clone();var wnd=Array(16);wnd[0]=new BN(1).toRed(this),wnd[1]=a;for(var i=2;i<wnd.length;i++)wnd[i]=this.mul(wnd[i-1],a);var res=wnd[0],current=0,currentLen=0,start=num.bitLength()%26;for(0===start&&(start=26),i=num.length-1;0<=i;i--){for(var word=num.words[i],j=start-1,bit;0<=j;j--){if(bit=1&word>>j,res!==wnd[0]&&(res=this.sqr(res)),0===bit&&0===current){currentLen=0;continue}current<<=1,current|=bit,currentLen++,(4===currentLen||0===i&&0===j)&&(res=this.mul(res,wnd[current]),currentLen=0,current=0)}start=26}return res},Red.prototype.convertTo=function(num){var r=num.umod(this.m);return r===num?r.clone():r},Red.prototype.convertFrom=function(num){var res=num.clone();return res.red=null,res},BN.mont=function(num){return new Mont(num)},inherits(Mont,Red),Mont.prototype.convertTo=function(num){return this.imod(num.ushln(this.shift))},Mont.prototype.convertFrom=function(num){var r=this.imod(num.mul(this.rinv));return r.red=null,r},Mont.prototype.imul=function(a,b){if(a.isZero()||b.isZero())return a.words[0]=0,a.length=1,a;var t=a.imul(b),c=t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m),u=t.isub(c).iushrn(this.shift),res=u;return 0<=u.cmp(this.m)?res=u.isub(this.m):0>u.cmpn(0)&&(res=u.iadd(this.m)),res._forceRed(this)},Mont.prototype.mul=function(a,b){if(a.isZero()||b.isZero())return new BN(0)._forceRed(this);var t=a.mul(b),c=t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m),u=t.isub(c).iushrn(this.shift),res=u;return 0<=u.cmp(this.m)?res=u.isub(this.m):0>u.cmpn(0)&&(res=u.iadd(this.m)),res._forceRed(this)},Mont.prototype.invm=function(a){var res=this.imod(a._invmp(this.m).mul(this.r2));return res._forceRed(this)}})("undefined"==typeof module||module,this)},{buffer:41}],23:[function(require,module,exports){"use strict";function getLens(b64){var len=b64.length;if(0<len%4)throw new Error("Invalid string. Length must be a multiple of 4");var validLen=b64.indexOf("=");-1===validLen&&(validLen=len);var placeHoldersLen=validLen===len?0:4-validLen%4;return[validLen,placeHoldersLen]}function _byteLength(b64,validLen,placeHoldersLen){return 3*(validLen+placeHoldersLen)/4-placeHoldersLen}function toByteArray(b64){var lens=getLens(b64),validLen=lens[0],placeHoldersLen=lens[1],arr=new Arr(_byteLength(b64,validLen,placeHoldersLen)),curByte=0,len=0<placeHoldersLen?validLen-4:validLen,tmp,i;for(i=0;i<len;i+=4)tmp=revLookup[b64.charCodeAt(i)]<<18|revLookup[b64.charCodeAt(i+1)]<<12|revLookup[b64.charCodeAt(i+2)]<<6|revLookup[b64.charCodeAt(i+3)],arr[curByte++]=255&tmp>>16,arr[curByte++]=255&tmp>>8,arr[curByte++]=255&tmp;return 2===placeHoldersLen&&(tmp=revLookup[b64.charCodeAt(i)]<<2|revLookup[b64.charCodeAt(i+1)]>>4,arr[curByte++]=255&tmp),1===placeHoldersLen&&(tmp=revLookup[b64.charCodeAt(i)]<<10|revLookup[b64.charCodeAt(i+1)]<<4|revLookup[b64.charCodeAt(i+2)]>>2,arr[curByte++]=255&tmp>>8,arr[curByte++]=255&tmp),arr}function tripletToBase64(num){return lookup[63&num>>18]+lookup[63&num>>12]+lookup[63&num>>6]+lookup[63&num]}function encodeChunk(uint8,start,end){for(var output=[],i=start,tmp;i<end;i+=3)tmp=(16711680&uint8[i]<<16)+(65280&uint8[i+1]<<8)+(255&uint8[i+2]),output.push(tripletToBase64(tmp));return output.join("")}function fromByteArray(uint8){for(var len=uint8.length,extraBytes=len%3,parts=[],maxChunkLength=16383,i=0,len2=len-extraBytes,tmp;i<len2;i+=maxChunkLength)parts.push(encodeChunk(uint8,i,i+maxChunkLength>len2?len2:i+maxChunkLength));return 1===extraBytes?(tmp=uint8[len-1],parts.push(lookup[tmp>>2]+lookup[63&tmp<<4]+"==")):2===extraBytes&&(tmp=(uint8[len-2]<<8)+uint8[len-1],parts.push(lookup[tmp>>10]+lookup[63&tmp>>4]+lookup[63&tmp<<2]+"=")),parts.join("")}exports.byteLength=function(b64){var lens=getLens(b64),validLen=lens[0],placeHoldersLen=lens[1];return 3*(validLen+placeHoldersLen)/4-placeHoldersLen},exports.toByteArray=toByteArray,exports.fromByteArray=fromByteArray;for(var lookup=[],revLookup=[],Arr="undefined"==typeof Uint8Array?Array:Uint8Array,code="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",i=0,len=code.length;i<len;++i)lookup[i]=code[i],revLookup[code.charCodeAt(i)]=i;revLookup[45]=62,revLookup[95]=63},{}],24:[function(require,module){(function(Buffer){(function(){function getIntFromBuffer(buffer,start,end){let sum=0,sign=1;for(let i=start;i<end;i++){const num=buffer[i];if(58>num&&48<=num){sum=10*sum+(num-48);continue}if(i!==start||43!==num){if(i===start&&45===num){sign=-1;continue}if(46===num)break;throw new Error("not a number: buffer["+i+"] = "+num)}}return sum*sign}function decode(data,start,end,encoding){return null==data||0===data.length?null:("number"!=typeof start&&null==encoding&&(encoding=start,start=void 0),"number"!=typeof end&&null==encoding&&(encoding=end,end=void 0),decode.position=0,decode.encoding=encoding||null,decode.data=Buffer.isBuffer(data)?data.slice(start,end):Buffer.from(data),decode.bytes=decode.data.length,decode.next())}const END_OF_TYPE=101;decode.bytes=0,decode.position=0,decode.data=null,decode.encoding=null,decode.next=function(){switch(decode.data[decode.position]){case 100:return decode.dictionary();case 108:return decode.list();case 105:return decode.integer();default:return decode.buffer();}},decode.find=function(chr){let i=decode.position;const c=decode.data.length,d=decode.data;for(;i<c;){if(d[i]===chr)return i;i++}throw new Error("Invalid data: Missing delimiter \""+_StringfromCharCode(chr)+"\" [0x"+chr.toString(16)+"]")},decode.dictionary=function(){decode.position++;const dict={};for(;decode.data[decode.position]!==END_OF_TYPE;)dict[decode.buffer()]=decode.next();return decode.position++,dict},decode.list=function(){decode.position++;const lst=[];for(;decode.data[decode.position]!==END_OF_TYPE;)lst.push(decode.next());return decode.position++,lst},decode.integer=function(){const end=decode.find(END_OF_TYPE),number=getIntFromBuffer(decode.data,decode.position+1,end);return decode.position+=end+1-decode.position,number},decode.buffer=function(){let sep=decode.find(58);const length=getIntFromBuffer(decode.data,decode.position,sep),end=++sep+length;return decode.position=end,decode.encoding?decode.data.toString(decode.encoding,sep,end):decode.data.slice(sep,end)},module.exports=decode}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75}],25:[function(require,module){(function(Buffer){(function(){function encode(data,buffer,offset){const buffers=[];let result=null;return encode._encode(buffers,data),result=Buffer.concat(buffers),encode.bytes=result.length,Buffer.isBuffer(buffer)?(result.copy(buffer,offset),buffer):result}const{getType}=require("./util.js");encode.bytes=-1,encode._floatConversionDetected=!1,encode._encode=function(buffers,data){if(null!=data)switch(getType(data)){case"buffer":encode.buffer(buffers,data);break;case"object":encode.dict(buffers,data);break;case"map":encode.dictMap(buffers,data);break;case"array":encode.list(buffers,data);break;case"set":encode.listSet(buffers,data);break;case"string":encode.string(buffers,data);break;case"number":encode.number(buffers,data);break;case"boolean":encode.number(buffers,data);break;case"arraybufferview":encode.buffer(buffers,Buffer.from(data.buffer,data.byteOffset,data.byteLength));break;case"arraybuffer":encode.buffer(buffers,Buffer.from(data));}};const buffE=Buffer.from("e"),buffD=Buffer.from("d"),buffL=Buffer.from("l");encode.buffer=function(buffers,data){buffers.push(Buffer.from(data.length+":"),data)},encode.string=function(buffers,data){buffers.push(Buffer.from(Buffer.byteLength(data)+":"+data))},encode.number=function(buffers,data){const val=(data/2147483648<<0)*2147483648+(data%2147483648<<0);buffers.push(Buffer.from("i"+val+"e")),val===data||encode._floatConversionDetected||(encode._floatConversionDetected=!0,console.warn("WARNING: Possible data corruption detected with value \""+data+"\":","Bencoding only defines support for integers, value was converted to \""+val+"\""),console.trace())},encode.dict=function(buffers,data){buffers.push(buffD);let j=0,k;const keys=Object.keys(data).sort(),kl=keys.length;for(;j<kl;j++)k=keys[j],null!=data[k]&&(encode.string(buffers,k),encode._encode(buffers,data[k]));buffers.push(buffE)},encode.dictMap=function(buffers,data){buffers.push(buffD);const keys=Array.from(data.keys()).sort();for(const key of keys)null!=data.get(key)&&(Buffer.isBuffer(key)?encode._encode(buffers,key):encode.string(buffers,key+""),encode._encode(buffers,data.get(key)));buffers.push(buffE)},encode.list=function(buffers,data){let i=0;const c=data.length;for(buffers.push(buffL);i<c;i++)null!=data[i]&&encode._encode(buffers,data[i]);buffers.push(buffE)},encode.listSet=function(buffers,data){buffers.push(buffL);for(const item of data)null!=item&&encode._encode(buffers,item);buffers.push(buffE)},module.exports=encode}).call(this)}).call(this,require("buffer").Buffer)},{"./util.js":28,buffer:75}],26:[function(require,module){(function(Buffer){(function(){function listLength(list){let length=2;for(const value of list)length+=encodingLength(value);return length}function mapLength(map){let length=2;for(const[key,value]of map){const keyLength=Buffer.byteLength(key);length+=digitCount(keyLength)+1+keyLength,length+=encodingLength(value)}return length}function objectLength(value){let length=2;const keys=Object.keys(value);for(let i=0;i<keys.length;i++){const keyLength=Buffer.byteLength(keys[i]);length+=digitCount(keyLength)+1+keyLength,length+=encodingLength(value[keys[i]])}return length}function stringLength(value){const length=Buffer.byteLength(value);return digitCount(length)+1+length}function arrayBufferLength(value){const length=value.byteLength-value.byteOffset;return digitCount(length)+1+length}function encodingLength(value){if(null==value)return 0;const type=getType(value);switch(type){case"buffer":return digitCount(value.length)+1+value.length;case"arraybufferview":return arrayBufferLength(value);case"string":return stringLength(value);case"array":case"set":return listLength(value);case"number":return 1+digitCount(_Mathfloor(value))+1;case"bigint":return 1+value.toString().length+1;case"object":return objectLength(value);case"map":return mapLength(value);default:throw new TypeError(`Unsupported value of type "${type}"`);}}const{digitCount,getType}=require("./util.js");module.exports=encodingLength}).call(this)}).call(this,require("buffer").Buffer)},{"./util.js":28,buffer:75}],27:[function(require,module){const bencode=module.exports;bencode.encode=require("./encode.js"),bencode.decode=require("./decode.js"),bencode.byteLength=bencode.encodingLength=require("./encoding-length.js")},{"./decode.js":24,"./encode.js":25,"./encoding-length.js":26}],28:[function(require,module){(function(Buffer){(function(){const util=module.exports;util.digitCount=function(value){var _Mathlog=Math.log10;const sign=0>value?1:0;return value=_Mathabs(+(value||1)),_Mathfloor(_Mathlog(value))+1+sign},util.getType=function(value){return Buffer.isBuffer(value)?"buffer":ArrayBuffer.isView(value)?"arraybufferview":Array.isArray(value)?"array":value instanceof Number?"number":value instanceof Boolean?"boolean":value instanceof Set?"set":value instanceof Map?"map":value instanceof String?"string":value instanceof ArrayBuffer?"arraybuffer":typeof value}}).call(this)}).call(this,{isBuffer:require("../../is-buffer/index.js")})},{"../../is-buffer/index.js":147}],29:[function(require,module){function parseRange(range){const generateRange=(start,end=start)=>Array.from({length:end-start+1},(cur,idx)=>idx+start);return range.reduce((acc,cur)=>{const r=cur.split("-").map(cur=>parseInt(cur));return acc.concat(generateRange(...r))},[])}module.exports=parseRange,module.exports.parse=parseRange,module.exports.compose=function(range){return range.reduce((acc,cur,idx,arr)=>((0===idx||cur!==arr[idx-1]+1)&&acc.push([]),acc[acc.length-1].push(cur),acc),[]).map(cur=>1<cur.length?`${cur[0]}-${cur[cur.length-1]}`:`${cur[0]}`)}},{}],30:[function(require,module){module.exports=function(haystack,needle,comparator,low,high){var mid,cmp;if(void 0===low)low=0;else if(low|=0,0>low||low>=haystack.length)throw new RangeError("invalid lower bound");if(void 0===high)high=haystack.length-1;else if(high|=0,high<low||high>=haystack.length)throw new RangeError("invalid upper bound");for(;low<=high;)if(mid=low+(high-low>>>1),cmp=+comparator(haystack[mid],needle,mid,haystack),0>cmp)low=mid+1;else if(0<cmp)high=mid-1;else return mid;return~low}},{}],31:[function(require,module,exports){"use strict";function getByteSize(num){var out=num>>3;return 0!=num%8&&out++,out}Object.defineProperty(exports,"__esModule",{value:!0});var BitField=function(){function BitField(data,opts){void 0===data&&(data=0);var grow=null===opts||void 0===opts?void 0:opts.grow;this.grow=grow&&isFinite(grow)&&getByteSize(grow)||grow||0,this.buffer="number"==typeof data?new Uint8Array(getByteSize(data)):data}return BitField.prototype.get=function(i){var j=i>>3;return j<this.buffer.length&&!!(this.buffer[j]&128>>i%8)},BitField.prototype.set=function(i,value){void 0===value&&(value=!0);var j=i>>3;if(value){if(this.buffer.length<j+1){var length_1=_Mathmax(j+1,_Mathmin(2*this.buffer.length,this.grow));if(length_1<=this.grow){var newBuffer=new Uint8Array(length_1);newBuffer.set(this.buffer),this.buffer=newBuffer}}this.buffer[j]|=128>>i%8}else j<this.buffer.length&&(this.buffer[j]&=~(128>>i%8))},BitField.prototype.forEach=function(fn,start,end){void 0===start&&(start=0),void 0===end&&(end=8*this.buffer.length);for(var i=start,j=i>>3,y=128>>i%8,byte=this.buffer[j];i<end;i++)fn(!!(byte&y),i),y=1==y?(byte=this.buffer[++j],128):y>>1},BitField}();exports.default=BitField},{}],32:[function(require,module){(function(Buffer){(function(){function xor(a,b){for(let len=a.length;len--;)a[len]^=b[len];return a}/*! bittorrent-protocol. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const arrayRemove=require("unordered-array-remove"),bencode=require("bencode"),BitField=require("bitfield").default,crypto=require("crypto"),debug=require("debug")("bittorrent-protocol"),randombytes=require("randombytes"),sha1=require("simple-sha1"),speedometer=require("speedometer"),stream=require("readable-stream"),RC4=require("rc4"),MESSAGE_PROTOCOL=Buffer.from("\x13BitTorrent protocol"),MESSAGE_KEEP_ALIVE=Buffer.from([0,0,0,0]),MESSAGE_CHOKE=Buffer.from([0,0,0,1,0]),MESSAGE_UNCHOKE=Buffer.from([0,0,0,1,1]),MESSAGE_INTERESTED=Buffer.from([0,0,0,1,2]),MESSAGE_UNINTERESTED=Buffer.from([0,0,0,1,3]),MESSAGE_RESERVED=[0,0,0,0,0,0,0,0],MESSAGE_PORT=[0,0,0,3,9,0,0],MESSAGE_HAVE_ALL=Buffer.from([0,0,0,1,14]),MESSAGE_HAVE_NONE=Buffer.from([0,0,0,1,15]),VC=Buffer.from([0,0,0,0,0,0,0,0]),CRYPTO_PROVIDE=Buffer.from([0,0,1,2]),CRYPTO_SELECT=Buffer.from([0,0,0,2]);class Request{constructor(piece,offset,length,callback){this.piece=piece,this.offset=offset,this.length=length,this.callback=callback}}class HaveAllBitField{constructor(){this.buffer=new Uint8Array}get(){return!0}set(){}}class Wire extends stream.Duplex{constructor(type=null,retries=0,peEnabled=!1){super(),this._debugId=randombytes(4).toString("hex"),this._debug("new wire"),this.peerId=null,this.peerIdBuffer=null,this.type=type,this.amChoking=!0,this.amInterested=!1,this.peerChoking=!0,this.peerInterested=!1,this.peerPieces=new BitField(0,{grow:4e5}),this.extensions={},this.peerExtensions={},this.requests=[],this.peerRequests=[],this.extendedMapping={},this.peerExtendedMapping={},this.extendedHandshake={},this.peerExtendedHandshake={},this.hasFast=!1,this.allowedFastSet=[],this.peerAllowedFastSet=[],this._ext={},this._nextExt=1,this.uploaded=0,this.downloaded=0,this.uploadSpeed=speedometer(),this.downloadSpeed=speedometer(),this._keepAliveInterval=null,this._timeout=null,this._timeoutMs=0,this._timeoutExpiresAt=null,this.destroyed=!1,this._finished=!1,this._parserSize=0,this._parser=null,this._buffer=[],this._bufferSize=0,this._peEnabled=peEnabled,peEnabled?(this._dh=crypto.createDiffieHellman("ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a63a36210000000000090563","hex",2),this._myPubKey=this._dh.generateKeys("hex")):this._myPubKey=null,this._peerPubKey=null,this._sharedSecret=null,this._peerCryptoProvide=[],this._cryptoHandshakeDone=!1,this._cryptoSyncPattern=null,this._waitMaxBytes=null,this._encryptionMethod=null,this._encryptGenerator=null,this._decryptGenerator=null,this._setGenerators=!1,this.once("finish",()=>this._onFinish()),this.on("finish",this._onFinish),this._debug("type:",this.type),"tcpIncoming"===this.type&&this._peEnabled?this._determineHandshakeType():"tcpOutgoing"===this.type&&this._peEnabled&&0===retries?this._parsePe2():this._parseHandshake(null)}setKeepAlive(enable){this._debug("setKeepAlive %s",enable),clearInterval(this._keepAliveInterval);!1===enable||(this._keepAliveInterval=setInterval(()=>{this.keepAlive()},55e3))}setTimeout(ms,unref){this._debug("setTimeout ms=%d unref=%s",ms,unref),this._timeoutMs=ms,this._timeoutUnref=!!unref,this._resetTimeout(!0)}destroy(){if(!this.destroyed)return this.destroyed=!0,this._debug("destroy"),this.emit("close"),this.end(),this}end(...args){return this._debug("end"),this._onUninterested(),this._onChoke(),super.end(...args)}use(Extension){function noop(){}const name=Extension.prototype.name;if(!name)throw new Error("Extension class requires a \"name\" property on the prototype");this._debug("use extension.name=%s",name);const ext=this._nextExt,handler=new Extension(this);"function"!=typeof handler.onHandshake&&(handler.onHandshake=noop),"function"!=typeof handler.onExtendedHandshake&&(handler.onExtendedHandshake=noop),"function"!=typeof handler.onMessage&&(handler.onMessage=noop),this.extendedMapping[ext]=name,this._ext[name]=handler,this[name]=handler,this._nextExt+=1}keepAlive(){this._debug("keep-alive"),this._push(MESSAGE_KEEP_ALIVE)}sendPe1(){if(this._peEnabled){const padALen=_Mathfloor(513*Math.random()),padA=randombytes(padALen);this._push(Buffer.concat([Buffer.from(this._myPubKey,"hex"),padA]))}}sendPe2(){const padBLen=_Mathfloor(513*Math.random()),padB=randombytes(padBLen);this._push(Buffer.concat([Buffer.from(this._myPubKey,"hex"),padB]))}sendPe3(infoHash){this.setEncrypt(this._sharedSecret,infoHash);const hash1Buffer=Buffer.from(sha1.sync(Buffer.from(this._utfToHex("req1")+this._sharedSecret,"hex")),"hex"),hash2Buffer=Buffer.from(sha1.sync(Buffer.from(this._utfToHex("req2")+infoHash,"hex")),"hex"),hash3Buffer=Buffer.from(sha1.sync(Buffer.from(this._utfToHex("req3")+this._sharedSecret,"hex")),"hex"),hashesXorBuffer=xor(hash2Buffer,hash3Buffer),padCLen=randombytes(2).readUInt16BE(0)%512,padCBuffer=randombytes(padCLen);let vcAndProvideBuffer=Buffer.alloc(14+padCLen+2);VC.copy(vcAndProvideBuffer),CRYPTO_PROVIDE.copy(vcAndProvideBuffer,8),vcAndProvideBuffer.writeInt16BE(padCLen,12),padCBuffer.copy(vcAndProvideBuffer,14),vcAndProvideBuffer.writeInt16BE(0,14+padCLen),vcAndProvideBuffer=this._encryptHandshake(vcAndProvideBuffer),this._push(Buffer.concat([hash1Buffer,hashesXorBuffer,vcAndProvideBuffer]))}sendPe4(infoHash){this.setEncrypt(this._sharedSecret,infoHash);const padDLen=randombytes(2).readUInt16BE(0)%512,padDBuffer=randombytes(padDLen);let vcAndSelectBuffer=Buffer.alloc(14+padDLen);VC.copy(vcAndSelectBuffer),CRYPTO_SELECT.copy(vcAndSelectBuffer,8),vcAndSelectBuffer.writeInt16BE(padDLen,12),padDBuffer.copy(vcAndSelectBuffer,14),vcAndSelectBuffer=this._encryptHandshake(vcAndSelectBuffer),this._push(vcAndSelectBuffer),this._cryptoHandshakeDone=!0,this._debug("completed crypto handshake")}handshake(infoHash,peerId,extensions){let infoHashBuffer,peerIdBuffer;if("string"==typeof infoHash?(infoHash=infoHash.toLowerCase(),infoHashBuffer=Buffer.from(infoHash,"hex")):(infoHashBuffer=infoHash,infoHash=infoHashBuffer.toString("hex")),"string"==typeof peerId?peerIdBuffer=Buffer.from(peerId,"hex"):(peerIdBuffer=peerId,peerId=peerIdBuffer.toString("hex")),this._infoHash=infoHashBuffer,20!==infoHashBuffer.length||20!==peerIdBuffer.length)throw new Error("infoHash and peerId MUST have length 20");this._debug("handshake i=%s p=%s exts=%o",infoHash,peerId,extensions);const reserved=Buffer.from(MESSAGE_RESERVED);this.extensions={extended:!0,dht:!!(extensions&&extensions.dht),fast:!!(extensions&&extensions.fast)},reserved[5]|=16,this.extensions.dht&&(reserved[7]|=1),this.extensions.fast&&(reserved[7]|=4),this.extensions.fast&&this.peerExtensions.fast&&(this._debug("fast extension is enabled"),this.hasFast=!0),this._push(Buffer.concat([MESSAGE_PROTOCOL,reserved,infoHashBuffer,peerIdBuffer])),this._handshakeSent=!0,this.peerExtensions.extended&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_sendExtendedHandshake(){const msg=Object.assign({},this.extendedHandshake);for(const ext in msg.m={},this.extendedMapping){const name=this.extendedMapping[ext];msg.m[name]=+ext}this.extended(0,bencode.encode(msg)),this._extendedHandshakeSent=!0}choke(){if(!this.amChoking)if(this.amChoking=!0,this._debug("choke"),this._push(MESSAGE_CHOKE),this.hasFast)for(;this.peerRequests.length;){const request=this.peerRequests[0];this.allowedFastSet.includes(request.piece)||this.reject(request.piece,request.offset,request.length)}else for(;this.peerRequests.length;)this.peerRequests.pop()}unchoke(){this.amChoking&&(this.amChoking=!1,this._debug("unchoke"),this._push(MESSAGE_UNCHOKE))}interested(){this.amInterested||(this.amInterested=!0,this._debug("interested"),this._push(MESSAGE_INTERESTED))}uninterested(){this.amInterested&&(this.amInterested=!1,this._debug("uninterested"),this._push(MESSAGE_UNINTERESTED))}have(index){this._debug("have %d",index),this._message(4,[index],null)}bitfield(bitfield){this._debug("bitfield"),Buffer.isBuffer(bitfield)||(bitfield=bitfield.buffer),this._message(5,[],bitfield)}request(index,offset,length,cb){return cb||(cb=()=>{}),this._finished?cb(new Error("wire is closed")):this.peerChoking&&!(this.hasFast&&this.peerAllowedFastSet.includes(index))?cb(new Error("peer is choking")):void(this._debug("request index=%d offset=%d length=%d",index,offset,length),this.requests.push(new Request(index,offset,length,cb)),!this._timeout&&this._resetTimeout(!0),this._message(6,[index,offset,length],null))}piece(index,offset,buffer){this._debug("piece index=%d offset=%d",index,offset),this._message(7,[index,offset],buffer),this.uploaded+=buffer.length,this.uploadSpeed(buffer.length),this.emit("upload",buffer.length)}cancel(index,offset,length){this._debug("cancel index=%d offset=%d length=%d",index,offset,length),this._callback(this._pull(this.requests,index,offset,length),new Error("request was cancelled"),null),this._message(8,[index,offset,length],null)}port(port){this._debug("port %d",port);const message=Buffer.from(MESSAGE_PORT);message.writeUInt16BE(port,5),this._push(message)}suggest(index){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("suggest %d",index),this._message(13,[index],null)}haveAll(){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("have-all"),this._push(MESSAGE_HAVE_ALL)}haveNone(){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("have-none"),this._push(MESSAGE_HAVE_NONE)}reject(index,offset,length){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("reject index=%d offset=%d length=%d",index,offset,length),this._pull(this.peerRequests,index,offset,length),this._message(16,[index,offset,length],null)}allowedFast(index){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("allowed-fast %d",index),this.allowedFastSet.includes(index)||this.allowedFastSet.push(index),this._message(17,[index],null)}extended(ext,obj){if(this._debug("extended ext=%s",ext),"string"==typeof ext&&this.peerExtendedMapping[ext]&&(ext=this.peerExtendedMapping[ext]),"number"==typeof ext){const extId=Buffer.from([ext]),buf=Buffer.isBuffer(obj)?obj:bencode.encode(obj);this._message(20,[],Buffer.concat([extId,buf]))}else throw new Error(`Unrecognized extension: ${ext}`)}setEncrypt(sharedSecret,infoHash){let encryptKey,decryptKey,encryptKeyBuf,encryptKeyIntArray,decryptKeyBuf,decryptKeyIntArray;switch(this.type){case"tcpIncoming":encryptKey=sha1.sync(Buffer.from(this._utfToHex("keyB")+sharedSecret+infoHash,"hex")),decryptKey=sha1.sync(Buffer.from(this._utfToHex("keyA")+sharedSecret+infoHash,"hex")),encryptKeyBuf=Buffer.from(encryptKey,"hex"),encryptKeyIntArray=[];for(const value of encryptKeyBuf.values())encryptKeyIntArray.push(value);decryptKeyBuf=Buffer.from(decryptKey,"hex"),decryptKeyIntArray=[];for(const value of decryptKeyBuf.values())decryptKeyIntArray.push(value);this._encryptGenerator=new RC4(encryptKeyIntArray),this._decryptGenerator=new RC4(decryptKeyIntArray);break;case"tcpOutgoing":encryptKey=sha1.sync(Buffer.from(this._utfToHex("keyA")+sharedSecret+infoHash,"hex")),decryptKey=sha1.sync(Buffer.from(this._utfToHex("keyB")+sharedSecret+infoHash,"hex")),encryptKeyBuf=Buffer.from(encryptKey,"hex"),encryptKeyIntArray=[];for(const value of encryptKeyBuf.values())encryptKeyIntArray.push(value);decryptKeyBuf=Buffer.from(decryptKey,"hex"),decryptKeyIntArray=[];for(const value of decryptKeyBuf.values())decryptKeyIntArray.push(value);this._encryptGenerator=new RC4(encryptKeyIntArray),this._decryptGenerator=new RC4(decryptKeyIntArray);break;default:return!1;}for(let i=0;1024>i;i++)this._encryptGenerator.randomByte(),this._decryptGenerator.randomByte();return this._setGenerators=!0,!0}_read(){}_message(id,numbers,data){const dataLength=data?data.length:0,buffer=Buffer.allocUnsafe(5+4*numbers.length);buffer.writeUInt32BE(buffer.length+dataLength-4,0),buffer[4]=id;for(let i=0;i<numbers.length;i++)buffer.writeUInt32BE(numbers[i],5+4*i);this._push(buffer),data&&this._push(data)}_push(data){if(!this._finished)return 2===this._encryptionMethod&&this._cryptoHandshakeDone&&(data=this._encrypt(data)),this.push(data)}_onKeepAlive(){this._debug("got keep-alive"),this.emit("keep-alive")}_onPe1(pubKeyBuffer){this._peerPubKey=pubKeyBuffer.toString("hex"),this._sharedSecret=this._dh.computeSecret(this._peerPubKey,"hex","hex"),this.emit("pe1")}_onPe2(pubKeyBuffer){this._peerPubKey=pubKeyBuffer.toString("hex"),this._sharedSecret=this._dh.computeSecret(this._peerPubKey,"hex","hex"),this.emit("pe2")}_onPe3(hashesXorBuffer){const hash3=sha1.sync(Buffer.from(this._utfToHex("req3")+this._sharedSecret,"hex")),sKeyHash=xor(Buffer.from(hash3,"hex"),hashesXorBuffer).toString("hex");this.emit("pe3",sKeyHash)}_onPe3Encrypted(vcBuffer,peerProvideBuffer){if(!vcBuffer.equals(VC))return this._debug("Error: verification constant did not match"),void this.destroy();for(const provideByte of peerProvideBuffer.values())0!==provideByte&&this._peerCryptoProvide.push(provideByte);this._peerCryptoProvide.includes(2)?this._encryptionMethod=2:(this._debug("Error: RC4 encryption method not provided by peer"),this.destroy())}_onPe4(peerSelectBuffer){this._encryptionMethod=peerSelectBuffer.readUInt8(3),CRYPTO_PROVIDE.includes(this._encryptionMethod)||(this._debug("Error: peer selected invalid crypto method"),this.destroy()),this._cryptoHandshakeDone=!0,this._debug("crypto handshake done"),this.emit("pe4")}_onHandshake(infoHashBuffer,peerIdBuffer,extensions){const infoHash=infoHashBuffer.toString("hex"),peerId=peerIdBuffer.toString("hex");for(const name in this._debug("got handshake i=%s p=%s exts=%o",infoHash,peerId,extensions),this.peerId=peerId,this.peerIdBuffer=peerIdBuffer,this.peerExtensions=extensions,this.extensions.fast&&this.peerExtensions.fast&&(this._debug("fast extension is enabled"),this.hasFast=!0),this.emit("handshake",infoHash,peerId,extensions),this._ext)this._ext[name].onHandshake(infoHash,peerId,extensions);extensions.extended&&this._handshakeSent&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_onChoke(){if(this.peerChoking=!0,this._debug("got choke"),this.emit("choke"),!this.hasFast)for(;this.requests.length;)this._callback(this.requests.pop(),new Error("peer is choking"),null)}_onUnchoke(){this.peerChoking=!1,this._debug("got unchoke"),this.emit("unchoke")}_onInterested(){this.peerInterested=!0,this._debug("got interested"),this.emit("interested")}_onUninterested(){this.peerInterested=!1,this._debug("got uninterested"),this.emit("uninterested")}_onHave(index){this.peerPieces.get(index)||(this._debug("got have %d",index),this.peerPieces.set(index,!0),this.emit("have",index))}_onBitField(buffer){this.peerPieces=new BitField(buffer),this._debug("got bitfield"),this.emit("bitfield",this.peerPieces)}_onRequest(index,offset,length){if(this.amChoking&&!(this.hasFast&&this.allowedFastSet.includes(index)))return void(this.hasFast&&this.reject(index,offset,length));this._debug("got request index=%d offset=%d length=%d",index,offset,length);const respond=(err,buffer)=>request===this._pull(this.peerRequests,index,offset,length)?err?(this._debug("error satisfying request index=%d offset=%d length=%d (%s)",index,offset,length,err.message),void(this.hasFast&&this.reject(index,offset,length))):void this.piece(index,offset,buffer):void 0,request=new Request(index,offset,length,respond);this.peerRequests.push(request),this.emit("request",index,offset,length,respond)}_onPiece(index,offset,buffer){this._debug("got piece index=%d offset=%d",index,offset),this._callback(this._pull(this.requests,index,offset,buffer.length),null,buffer),this.downloaded+=buffer.length,this.downloadSpeed(buffer.length),this.emit("download",buffer.length),this.emit("piece",index,offset,buffer)}_onCancel(index,offset,length){this._debug("got cancel index=%d offset=%d length=%d",index,offset,length),this._pull(this.peerRequests,index,offset,length),this.emit("cancel",index,offset,length)}_onPort(port){this._debug("got port %d",port),this.emit("port",port)}_onSuggest(index){return this.hasFast?void(this._debug("got suggest %d",index),this.emit("suggest",index)):(this._debug("Error: got suggest whereas fast extension is disabled"),void this.destroy())}_onHaveAll(){return this.hasFast?void(this._debug("got have-all"),this.peerPieces=new HaveAllBitField,this.emit("have-all")):(this._debug("Error: got have-all whereas fast extension is disabled"),void this.destroy())}_onHaveNone(){return this.hasFast?void(this._debug("got have-none"),this.emit("have-none")):(this._debug("Error: got have-none whereas fast extension is disabled"),void this.destroy())}_onReject(index,offset,length){return this.hasFast?void(this._debug("got reject index=%d offset=%d length=%d",index,offset,length),this._callback(this._pull(this.requests,index,offset,length),new Error("request was rejected"),null),this.emit("reject",index,offset,length)):(this._debug("Error: got reject whereas fast extension is disabled"),void this.destroy())}_onAllowedFast(index){return this.hasFast?void(this._debug("got allowed-fast %d",index),!this.peerAllowedFastSet.includes(index)&&this.peerAllowedFastSet.push(index),this.peerAllowedFastSet.length>100&&this.peerAllowedFastSet.shift(),this.emit("allowed-fast",index)):(this._debug("Error: got allowed-fast whereas fast extension is disabled"),void this.destroy())}_onExtended(ext,buf){if(0===ext){let info;try{info=bencode.decode(buf)}catch(err){this._debug("ignoring invalid extended handshake: %s",err.message||err)}if(!info)return;if(this.peerExtendedHandshake=info,"object"==typeof info.m)for(const name in info.m)this.peerExtendedMapping[name]=+info.m[name].toString();for(const name in this._ext)this.peerExtendedMapping[name]&&this._ext[name].onExtendedHandshake(this.peerExtendedHandshake);this._debug("got extended handshake"),this.emit("extended","handshake",this.peerExtendedHandshake)}else this.extendedMapping[ext]&&(ext=this.extendedMapping[ext],this._ext[ext]&&this._ext[ext].onMessage(buf)),this._debug("got extended message ext=%s",ext),this.emit("extended",ext,buf)}_onTimeout(){this._debug("request timed out"),this._callback(this.requests.shift(),new Error("request has timed out"),null),this.emit("timeout")}_write(data,encoding,cb){if(2===this._encryptionMethod&&this._cryptoHandshakeDone&&(data=this._decrypt(data)),this._bufferSize+=data.length,this._buffer.push(data),1<this._buffer.length&&(this._buffer=[Buffer.concat(this._buffer,this._bufferSize)]),this._cryptoSyncPattern){const index=this._buffer[0].indexOf(this._cryptoSyncPattern);if(-1!==index)this._buffer[0]=this._buffer[0].slice(index+this._cryptoSyncPattern.length),this._bufferSize-=index+this._cryptoSyncPattern.length,this._cryptoSyncPattern=null;else if(this._bufferSize+data.length>this._waitMaxBytes+this._cryptoSyncPattern.length)return this._debug("Error: could not resynchronize"),void this.destroy()}for(;this._bufferSize>=this._parserSize&&!this._cryptoSyncPattern;)if(0===this._parserSize)this._parser(Buffer.from([]));else{const buffer=this._buffer[0];this._bufferSize-=this._parserSize,this._buffer=this._bufferSize?[buffer.slice(this._parserSize)]:[],this._parser(buffer.slice(0,this._parserSize))}cb(null)}_callback(request,err,buffer){request&&(this._resetTimeout(!this.peerChoking&&!this._finished),request.callback(err,buffer))}_resetTimeout(setAgain){if(!setAgain||!this._timeoutMs||!this.requests.length)return clearTimeout(this._timeout),this._timeout=null,void(this._timeoutExpiresAt=null);const timeoutExpiresAt=Date.now()+this._timeoutMs;if(this._timeout){if(timeoutExpiresAt-this._timeoutExpiresAt<.05*this._timeoutMs)return;clearTimeout(this._timeout)}this._timeoutExpiresAt=timeoutExpiresAt,this._timeout=setTimeout(()=>this._onTimeout(),this._timeoutMs),this._timeoutUnref&&this._timeout.unref&&this._timeout.unref()}_parse(size,parser){this._parserSize=size,this._parser=parser}_parseUntil(pattern,maxBytes){this._cryptoSyncPattern=pattern,this._waitMaxBytes=maxBytes}_onMessageLength(buffer){const length=buffer.readUInt32BE(0);0<length?this._parse(length,this._onMessage):(this._onKeepAlive(),this._parse(4,this._onMessageLength))}_onMessage(buffer){switch(this._parse(4,this._onMessageLength),buffer[0]){case 0:return this._onChoke();case 1:return this._onUnchoke();case 2:return this._onInterested();case 3:return this._onUninterested();case 4:return this._onHave(buffer.readUInt32BE(1));case 5:return this._onBitField(buffer.slice(1));case 6:return this._onRequest(buffer.readUInt32BE(1),buffer.readUInt32BE(5),buffer.readUInt32BE(9));case 7:return this._onPiece(buffer.readUInt32BE(1),buffer.readUInt32BE(5),buffer.slice(9));case 8:return this._onCancel(buffer.readUInt32BE(1),buffer.readUInt32BE(5),buffer.readUInt32BE(9));case 9:return this._onPort(buffer.readUInt16BE(1));case 13:return this._onSuggest(buffer.readUInt32BE(1));case 14:return this._onHaveAll();case 15:return this._onHaveNone();case 16:return this._onReject(buffer.readUInt32BE(1),buffer.readUInt32BE(5),buffer.readUInt32BE(9));case 17:return this._onAllowedFast(buffer.readUInt32BE(1));case 20:return this._onExtended(buffer.readUInt8(1),buffer.slice(2));default:return this._debug("got unknown message"),this.emit("unknownmessage",buffer);}}_determineHandshakeType(){this._parse(1,pstrLenBuffer=>{const pstrlen=pstrLenBuffer.readUInt8(0);19===pstrlen?this._parse(pstrlen+48,this._onHandshakeBuffer):this._parsePe1(pstrLenBuffer)})}_parsePe1(pubKeyPrefix){this._parse(95,pubKeySuffix=>{this._onPe1(Buffer.concat([pubKeyPrefix,pubKeySuffix])),this._parsePe3()})}_parsePe2(){this._parse(96,pubKey=>{for(this._onPe2(pubKey);!this._setGenerators;);this._parsePe4()})}_parsePe3(){const hash1Buffer=Buffer.from(sha1.sync(Buffer.from(this._utfToHex("req1")+this._sharedSecret,"hex")),"hex");this._parseUntil(hash1Buffer,512),this._parse(20,buffer=>{for(this._onPe3(buffer);!this._setGenerators;);this._parsePe3Encrypted()})}_parsePe3Encrypted(){this._parse(14,buffer=>{const vcBuffer=this._decryptHandshake(buffer.slice(0,8)),peerProvideBuffer=this._decryptHandshake(buffer.slice(8,12)),padCLen=this._decryptHandshake(buffer.slice(12,14)).readUInt16BE(0);this._parse(padCLen,padCBuffer=>{padCBuffer=this._decryptHandshake(padCBuffer),this._parse(2,iaLenBuf=>{const iaLen=this._decryptHandshake(iaLenBuf).readUInt16BE(0);this._parse(iaLen,iaBuffer=>{iaBuffer=this._decryptHandshake(iaBuffer),this._onPe3Encrypted(vcBuffer,peerProvideBuffer,padCBuffer,iaBuffer);const pstrlen=iaLen?iaBuffer.readUInt8(0):null,protocol=iaLen?iaBuffer.slice(1,20):null;19===pstrlen&&"BitTorrent protocol"===protocol.toString()?this._onHandshakeBuffer(iaBuffer.slice(1)):this._parseHandshake()})})})})}_parsePe4(){const vcBufferEncrypted=this._decryptHandshake(VC);this._parseUntil(vcBufferEncrypted,512),this._parse(6,buffer=>{const peerSelectBuffer=this._decryptHandshake(buffer.slice(0,4)),padDLen=this._decryptHandshake(buffer.slice(4,6)).readUInt16BE(0);this._parse(padDLen,padDBuf=>{this._decryptHandshake(padDBuf),this._onPe4(peerSelectBuffer),this._parseHandshake(null)})})}_parseHandshake(){this._parse(1,buffer=>{const pstrlen=buffer.readUInt8(0);return 19===pstrlen?void this._parse(pstrlen+48,this._onHandshakeBuffer):(this._debug("Error: wire not speaking BitTorrent protocol (%s)",pstrlen.toString()),void this.end())})}_onHandshakeBuffer(handshake){const protocol=handshake.slice(0,19);return"BitTorrent protocol"===protocol.toString()?void(handshake=handshake.slice(19),this._onHandshake(handshake.slice(8,28),handshake.slice(28,48),{dht:!!(1&handshake[7]),fast:!!(4&handshake[7]),extended:!!(16&handshake[5])}),this._parse(4,this._onMessageLength)):(this._debug("Error: wire not speaking BitTorrent protocol (%s)",protocol.toString()),void this.end())}_onFinish(){for(this._finished=!0,this.push(null);this.read(););for(clearInterval(this._keepAliveInterval),this._parse(Number.MAX_VALUE,()=>{});this.peerRequests.length;)this.peerRequests.pop();for(;this.requests.length;)this._callback(this.requests.pop(),new Error("wire was closed"),null)}_debug(...args){args[0]=`[${this._debugId}] ${args[0]}`,debug(...args)}_pull(requests,piece,offset,length){for(let i=0;i<requests.length;i++){const req=requests[i];if(req.piece===piece&&req.offset===offset&&req.length===length)return arrayRemove(requests,i),req}return null}_encryptHandshake(buf){const crypt=Buffer.from(buf);if(!this._encryptGenerator)return this._debug("Warning: Encrypting without any generator"),crypt;for(let i=0;i<buf.length;i++){const keystream=this._encryptGenerator.randomByte();crypt[i]^=keystream}return crypt}_encrypt(buf){const crypt=Buffer.from(buf);if(!this._encryptGenerator||2!==this._encryptionMethod)return crypt;for(let i=0;i<buf.length;i++){const keystream=this._encryptGenerator.randomByte();crypt[i]^=keystream}return crypt}_decryptHandshake(buf){const decrypt=Buffer.from(buf);if(!this._decryptGenerator)return this._debug("Warning: Decrypting without any generator"),decrypt;for(let i=0;i<buf.length;i++){const keystream=this._decryptGenerator.randomByte();decrypt[i]^=keystream}return decrypt}_decrypt(buf){const decrypt=Buffer.from(buf);if(!this._decryptGenerator||2!==this._encryptionMethod)return decrypt;for(let i=0;i<buf.length;i++){const keystream=this._decryptGenerator.randomByte();decrypt[i]^=keystream}return decrypt}_utfToHex(str){return Buffer.from(str,"utf8").toString("hex")}}module.exports=Wire}).call(this)}).call(this,require("buffer").Buffer)},{bencode:27,bitfield:31,buffer:75,crypto:89,debug:90,randombytes:208,rc4:212,"readable-stream":227,"simple-sha1":247,speedometer:254,"unordered-array-remove":272}],33:[function(require,module){(function(process,Buffer){(function(){const debug=require("debug")("bittorrent-tracker:client"),EventEmitter=require("events"),once=require("once"),parallel=require("run-parallel"),Peer=require("simple-peer"),queueMicrotask=require("queue-microtask"),common=require("./lib/common"),HTTPTracker=require("./lib/client/http-tracker"),UDPTracker=require("./lib/client/udp-tracker"),WebSocketTracker=require("./lib/client/websocket-tracker");class Client extends EventEmitter{constructor(opts={}){if(super(),!opts.peerId)throw new Error("Option `peerId` is required");if(!opts.infoHash)throw new Error("Option `infoHash` is required");if(!opts.announce)throw new Error("Option `announce` is required");if(!process.browser&&!opts.port)throw new Error("Option `port` is required");this.peerId="string"==typeof opts.peerId?opts.peerId:opts.peerId.toString("hex"),this._peerIdBuffer=Buffer.from(this.peerId,"hex"),this._peerIdBinary=this._peerIdBuffer.toString("binary"),this.infoHash="string"==typeof opts.infoHash?opts.infoHash.toLowerCase():opts.infoHash.toString("hex"),this._infoHashBuffer=Buffer.from(this.infoHash,"hex"),this._infoHashBinary=this._infoHashBuffer.toString("binary"),debug("new client %s",this.infoHash),this.destroyed=!1,this._port=opts.port,this._getAnnounceOpts=opts.getAnnounceOpts,this._rtcConfig=opts.rtcConfig,this._userAgent=opts.userAgent,this._proxyOpts=opts.proxyOpts,this._wrtc="function"==typeof opts.wrtc?opts.wrtc():opts.wrtc;let announce="string"==typeof opts.announce?[opts.announce]:null==opts.announce?[]:opts.announce;announce=announce.map(announceUrl=>(announceUrl=announceUrl.toString(),"/"===announceUrl[announceUrl.length-1]&&(announceUrl=announceUrl.substring(0,announceUrl.length-1)),announceUrl)),announce=Array.from(new Set(announce));const webrtcSupport=!1!==this._wrtc&&(!!this._wrtc||Peer.WEBRTC_SUPPORT),nextTickWarn=err=>{queueMicrotask(()=>{this.emit("warning",err)})};this._trackers=announce.map(announceUrl=>{let parsedUrl;try{parsedUrl=common.parseUrl(announceUrl)}catch(err){return nextTickWarn(new Error(`Invalid tracker URL: ${announceUrl}`)),null}const port=parsedUrl.port;if(0>port||65535<port)return nextTickWarn(new Error(`Invalid tracker port: ${announceUrl}`)),null;const protocol=parsedUrl.protocol;return("http:"===protocol||"https:"===protocol)&&"function"==typeof HTTPTracker?new HTTPTracker(this,announceUrl):"udp:"===protocol&&"function"==typeof UDPTracker?new UDPTracker(this,announceUrl):("ws:"===protocol||"wss:"===protocol)&&webrtcSupport?"ws:"===protocol&&"undefined"!=typeof window&&"https:"===window.location.protocol?(nextTickWarn(new Error(`Unsupported tracker protocol: ${announceUrl}`)),null):new WebSocketTracker(this,announceUrl):(nextTickWarn(new Error(`Unsupported tracker protocol: ${announceUrl}`)),null)}).filter(Boolean)}start(opts){opts=this._defaultAnnounceOpts(opts),opts.event="started",debug("send `start` %o",opts),this._announce(opts),this._trackers.forEach(tracker=>{tracker.setInterval()})}stop(opts){opts=this._defaultAnnounceOpts(opts),opts.event="stopped",debug("send `stop` %o",opts),this._announce(opts)}complete(opts){opts||(opts={}),opts=this._defaultAnnounceOpts(opts),opts.event="completed",debug("send `complete` %o",opts),this._announce(opts)}update(opts){opts=this._defaultAnnounceOpts(opts),opts.event&&delete opts.event,debug("send `update` %o",opts),this._announce(opts)}_announce(opts){this._trackers.forEach(tracker=>{tracker.announce(opts)})}scrape(opts){debug("send `scrape`"),opts||(opts={}),this._trackers.forEach(tracker=>{tracker.scrape(opts)})}setInterval(intervalMs){debug("setInterval %d",intervalMs),this._trackers.forEach(tracker=>{tracker.setInterval(intervalMs)})}destroy(cb){if(!this.destroyed){this.destroyed=!0,debug("destroy");const tasks=this._trackers.map(tracker=>cb=>{tracker.destroy(cb)});parallel(tasks,cb),this._trackers=[],this._getAnnounceOpts=null}}_defaultAnnounceOpts(opts={}){return null==opts.numwant&&(opts.numwant=common.DEFAULT_ANNOUNCE_PEERS),null==opts.uploaded&&(opts.uploaded=0),null==opts.downloaded&&(opts.downloaded=0),this._getAnnounceOpts&&(opts=Object.assign({},opts,this._getAnnounceOpts())),opts}}Client.scrape=(opts,cb)=>{if(cb=once(cb),!opts.infoHash)throw new Error("Option `infoHash` is required");if(!opts.announce)throw new Error("Option `announce` is required");const clientOpts=Object.assign({},opts,{infoHash:Array.isArray(opts.infoHash)?opts.infoHash[0]:opts.infoHash,peerId:Buffer.from("01234567890123456789"),port:6881}),client=new Client(clientOpts);client.once("error",cb),client.once("warning",cb);let len=Array.isArray(opts.infoHash)?opts.infoHash.length:1;const results={};return client.on("scrape",data=>{if(len-=1,results[data.infoHash]=data,0===len){client.destroy();const keys=Object.keys(results);1===keys.length?cb(null,results[keys[0]]):cb(null,results)}}),opts.infoHash=Array.isArray(opts.infoHash)?opts.infoHash.map(infoHash=>Buffer.from(infoHash,"hex")):Buffer.from(opts.infoHash,"hex"),client.scrape({infoHash:opts.infoHash}),client},module.exports=Client}).call(this)}).call(this,require("_process"),require("buffer").Buffer)},{"./lib/client/http-tracker":41,"./lib/client/udp-tracker":41,"./lib/client/websocket-tracker":35,"./lib/common":36,_process:192,buffer:75,debug:90,events:122,once:177,"queue-microtask":205,"run-parallel":232,"simple-peer":246}],34:[function(require,module){const EventEmitter=require("events");module.exports=class extends EventEmitter{constructor(client,announceUrl){super(),this.client=client,this.announceUrl=announceUrl,this.interval=null,this.destroyed=!1}setInterval(intervalMs){null==intervalMs&&(intervalMs=this.DEFAULT_ANNOUNCE_INTERVAL),clearInterval(this.interval),intervalMs&&(this.interval=setInterval(()=>{this.announce(this.client._defaultAnnounceOpts())},intervalMs),this.interval.unref&&this.interval.unref())}}},{events:122}],35:[function(require,module){function noop(){}const clone=require("clone"),debug=require("debug")("bittorrent-tracker:websocket-tracker"),Peer=require("simple-peer"),randombytes=require("randombytes"),Socket=require("simple-websocket"),Socks=require("socks"),common=require("../common"),Tracker=require("./tracker"),socketPool={};class WebSocketTracker extends Tracker{constructor(client,announceUrl){super(client,announceUrl),debug("new websocket tracker %s",announceUrl),this.peers={},this.socket=null,this.reconnecting=!1,this.retries=0,this.reconnectTimer=null,this.expectingResponse=!1,this._openSocket()}announce(opts){if(this.destroyed||this.reconnecting)return;if(!this.socket.connected)return void this.socket.once("connect",()=>{this.announce(opts)});const params=Object.assign({},opts,{action:"announce",info_hash:this.client._infoHashBinary,peer_id:this.client._peerIdBinary});if(this._trackerId&&(params.trackerid=this._trackerId),"stopped"===opts.event||"completed"===opts.event)this._send(params);else{const numwant=_Mathmin(opts.numwant,5);this._generateOffers(numwant,offers=>{params.numwant=numwant,params.offers=offers,this._send(params)})}}scrape(opts){if(this.destroyed||this.reconnecting)return;if(!this.socket.connected)return void this.socket.once("connect",()=>{this.scrape(opts)});const infoHashes=Array.isArray(opts.infoHash)&&0<opts.infoHash.length?opts.infoHash.map(infoHash=>infoHash.toString("binary")):opts.infoHash&&opts.infoHash.toString("binary")||this.client._infoHashBinary;this._send({action:"scrape",info_hash:infoHashes})}destroy(cb=noop){function destroyCleanup(){timeout&&(clearTimeout(timeout),timeout=null),socket.removeListener("data",destroyCleanup),socket.destroy(),socket=null}if(this.destroyed)return cb(null);for(const peerId in this.destroyed=!0,clearInterval(this.interval),clearTimeout(this.reconnectTimer),this.peers){const peer=this.peers[peerId];clearTimeout(peer.trackerTimeout),peer.destroy()}if(this.peers=null,this.socket&&(this.socket.removeListener("connect",this._onSocketConnectBound),this.socket.removeListener("data",this._onSocketDataBound),this.socket.removeListener("close",this._onSocketCloseBound),this.socket.removeListener("error",this._onSocketErrorBound),this.socket=null),this._onSocketConnectBound=null,this._onSocketErrorBound=null,this._onSocketDataBound=null,this._onSocketCloseBound=null,socketPool[this.announceUrl]&&(socketPool[this.announceUrl].consumers-=1),0<socketPool[this.announceUrl].consumers)return cb();let socket=socketPool[this.announceUrl];delete socketPool[this.announceUrl],socket.on("error",noop),socket.once("close",cb);let timeout;return this.expectingResponse?void(timeout=setTimeout(destroyCleanup,common.DESTROY_TIMEOUT),socket.once("data",destroyCleanup)):destroyCleanup()}_openSocket(){if(this.destroyed=!1,this.peers||(this.peers={}),this._onSocketConnectBound=()=>{this._onSocketConnect()},this._onSocketErrorBound=err=>{this._onSocketError(err)},this._onSocketDataBound=data=>{this._onSocketData(data)},this._onSocketCloseBound=()=>{this._onSocketClose()},this.socket=socketPool[this.announceUrl],this.socket)socketPool[this.announceUrl].consumers+=1,this.socket.connected&&this._onSocketConnectBound();else{const parsedUrl=new URL(this.announceUrl);let agent;this.client._proxyOpts&&(agent="wss:"===parsedUrl.protocol?this.client._proxyOpts.httpsAgent:this.client._proxyOpts.httpAgent,!agent&&this.client._proxyOpts.socksProxy&&(agent=new Socks.Agent(clone(this.client._proxyOpts.socksProxy),"wss:"===parsedUrl.protocol))),this.socket=socketPool[this.announceUrl]=new Socket({url:this.announceUrl,agent}),this.socket.consumers=1,this.socket.once("connect",this._onSocketConnectBound)}this.socket.on("data",this._onSocketDataBound),this.socket.once("close",this._onSocketCloseBound),this.socket.once("error",this._onSocketErrorBound)}_onSocketConnect(){this.destroyed||this.reconnecting&&(this.reconnecting=!1,this.retries=0,this.announce(this.client._defaultAnnounceOpts()))}_onSocketData(data){if(!this.destroyed){this.expectingResponse=!1;try{data=JSON.parse(data)}catch(err){return void this.client.emit("warning",new Error("Invalid tracker response"))}"announce"===data.action?this._onAnnounceResponse(data):"scrape"===data.action?this._onScrapeResponse(data):this._onSocketError(new Error(`invalid action in WS response: ${data.action}`))}}_onAnnounceResponse(data){if(data.info_hash!==this.client._infoHashBinary)return void debug("ignoring websocket data from %s for %s (looking for %s: reused socket)",this.announceUrl,common.binaryToHex(data.info_hash),this.client.infoHash);if(data.peer_id&&data.peer_id===this.client._peerIdBinary)return;debug("received %s from %s for %s",JSON.stringify(data),this.announceUrl,this.client.infoHash);const failure=data["failure reason"];if(failure)return this.client.emit("warning",new Error(failure));const warning=data["warning message"];warning&&this.client.emit("warning",new Error(warning));const interval=data.interval||data["min interval"];interval&&this.setInterval(1e3*interval);const trackerId=data["tracker id"];if(trackerId&&(this._trackerId=trackerId),null!=data.complete){const response=Object.assign({},data,{announce:this.announceUrl,infoHash:common.binaryToHex(data.info_hash)});this.client.emit("update",response)}let peer;if(data.offer&&data.peer_id&&(debug("creating peer (from remote offer)"),peer=this._createPeer(),peer.id=common.binaryToHex(data.peer_id),peer.once("signal",answer=>{const params={action:"announce",info_hash:this.client._infoHashBinary,peer_id:this.client._peerIdBinary,to_peer_id:data.peer_id,answer,offer_id:data.offer_id};this._trackerId&&(params.trackerid=this._trackerId),this._send(params)}),this.client.emit("peer",peer),peer.signal(data.offer)),data.answer&&data.peer_id){const offerId=common.binaryToHex(data.offer_id);peer=this.peers[offerId],peer?(peer.id=common.binaryToHex(data.peer_id),this.client.emit("peer",peer),peer.signal(data.answer),clearTimeout(peer.trackerTimeout),peer.trackerTimeout=null,delete this.peers[offerId],peer.destroy()):debug(`got unexpected answer: ${JSON.stringify(data.answer)}`)}}_onScrapeResponse(data){data=data.files||{};const keys=Object.keys(data);return 0===keys.length?void this.client.emit("warning",new Error("invalid scrape response")):void keys.forEach(infoHash=>{const response=Object.assign(data[infoHash],{announce:this.announceUrl,infoHash:common.binaryToHex(infoHash)});this.client.emit("scrape",response)})}_onSocketClose(){this.destroyed||(this.destroy(),this._startReconnectTimer())}_onSocketError(err){this.destroyed||(this.destroy(),this.client.emit("warning",err),this._startReconnectTimer())}_startReconnectTimer(){const ms=_Mathfloor(Math.random()*300000)+_Mathmin(_Mathpow(2,this.retries)*10000,3600000);this.reconnecting=!0,clearTimeout(this.reconnectTimer),this.reconnectTimer=setTimeout(()=>{this.retries++,this._openSocket()},ms),this.reconnectTimer.unref&&this.reconnectTimer.unref(),debug("reconnecting socket in %s ms",ms)}_send(params){if(!this.destroyed){this.expectingResponse=!0;const message=JSON.stringify(params);debug("send %s",message),this.socket.send(message)}}_generateOffers(numwant,cb){function generateOffer(){const offerId=randombytes(20).toString("hex");debug("creating peer (from _generateOffers)");const peer=self.peers[offerId]=self._createPeer({initiator:!0});peer.once("signal",offer=>{offers.push({offer,offer_id:common.hexToBinary(offerId)}),checkDone()}),peer.trackerTimeout=setTimeout(()=>{debug("tracker timeout: destroying peer"),peer.trackerTimeout=null,delete self.peers[offerId],peer.destroy()},50000),peer.trackerTimeout.unref&&peer.trackerTimeout.unref()}function checkDone(){offers.length===numwant&&(debug("generated %s offers",numwant),cb(offers))}const self=this,offers=[];debug("generating %s offers",numwant);for(let i=0;i<numwant;++i)generateOffer();checkDone()}_createPeer(opts){function onError(err){self.client.emit("warning",new Error(`Connection error: ${err.message}`)),peer.destroy()}function onConnect(){peer.removeListener("error",onError),peer.removeListener("connect",onConnect)}const self=this;opts=Object.assign({trickle:!1,config:self.client._rtcConfig,wrtc:self.client._wrtc},opts);const peer=new Peer(opts);return peer.once("error",onError),peer.once("connect",onConnect),peer}}WebSocketTracker.prototype.DEFAULT_ANNOUNCE_INTERVAL=30000,WebSocketTracker._socketPool=socketPool,module.exports=WebSocketTracker},{"../common":36,"./tracker":34,clone:80,debug:90,randombytes:208,"simple-peer":246,"simple-websocket":249,socks:41}],36:[function(require,module,exports){(function(Buffer){(function(){exports.DEFAULT_ANNOUNCE_PEERS=50,exports.MAX_ANNOUNCE_PEERS=82,exports.binaryToHex=str=>("string"!=typeof str&&(str+=""),Buffer.from(str,"binary").toString("hex")),exports.hexToBinary=str=>("string"!=typeof str&&(str+=""),Buffer.from(str,"hex").toString("binary")),exports.parseUrl=str=>{const url=new URL(str.replace(/^udp:/,"http:"));return str.match(/^udp:/)&&Object.defineProperties(url,{href:{value:url.href.replace(/^http/,"udp")},protocol:{value:url.protocol.replace(/^http/,"udp")},origin:{value:url.origin.replace(/^http/,"udp")}}),url};const config=require("./common-node");Object.assign(exports,config)}).call(this)}).call(this,require("buffer").Buffer)},{"./common-node":41,buffer:75}],37:[function(require,module){(function(Buffer){(function(){/*! blob-to-buffer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */module.exports=function(blob,cb){function onLoadEnd(e){reader.removeEventListener("loadend",onLoadEnd,!1),e.error?cb(e.error):cb(null,Buffer.from(reader.result))}if("undefined"==typeof Blob||!(blob instanceof Blob))throw new Error("first argument must be a Blob");if("function"!=typeof cb)throw new Error("second argument must be a function");const reader=new FileReader;reader.addEventListener("loadend",onLoadEnd,!1),reader.readAsArrayBuffer(blob)}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75}],38:[function(require,module){(function(Buffer){(function(){const{Transform}=require("readable-stream");module.exports=class extends Transform{constructor(size,opts={}){super(opts),"object"==typeof size&&(opts=size,size=opts.size),this.size=size||512;const{nopad,zeroPadding=!0}=opts;this._zeroPadding=!nopad&&!!zeroPadding,this._buffered=[],this._bufferedBytes=0}_transform(buf,enc,next){for(this._bufferedBytes+=buf.length,this._buffered.push(buf);this._bufferedBytes>=this.size;){this._bufferedBytes-=this.size;const blockBufs=[];for(let blockBufsBytes=0;blockBufsBytes<this.size;){const b=this._buffered.shift();if(blockBufsBytes+b.length<=this.size)blockBufs.push(b),blockBufsBytes+=b.length;else{const neededSize=this.size-blockBufsBytes;blockBufs.push(b.slice(0,neededSize)),blockBufsBytes+=neededSize,this._buffered.unshift(b.slice(neededSize))}}this.push(Buffer.concat(blockBufs,this.size))}next()}_flush(){if(this._bufferedBytes&&this._zeroPadding){const zeroes=Buffer.alloc(this.size-this._bufferedBytes);this._buffered.push(zeroes),this.push(Buffer.concat(this._buffered)),this._buffered=null}else this._bufferedBytes&&(this.push(Buffer.concat(this._buffered)),this._buffered=null);this.push(null)}}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75,"readable-stream":227}],39:[function(require,module){(function(module,exports){"use strict";function assert(val,msg){if(!val)throw new Error(msg||"Assertion failed")}function inherits(ctor,superCtor){ctor.super_=superCtor;var TempCtor=function(){};TempCtor.prototype=superCtor.prototype,ctor.prototype=new TempCtor,ctor.prototype.constructor=ctor}function BN(number,base,endian){return BN.isBN(number)?number:void(this.negative=0,this.words=null,this.length=0,this.red=null,null!==number&&(("le"===base||"be"===base)&&(endian=base,base=10),this._init(number||0,base||10,endian||"be")))}function parseHex4Bits(string,index){var c=string.charCodeAt(index);return 48<=c&&57>=c?c-48:65<=c&&70>=c?c-55:97<=c&&102>=c?c-87:void assert(!1,"Invalid character in "+string)}function parseHexByte(string,lowerBound,index){var r=parseHex4Bits(string,index);return index-1>=lowerBound&&(r|=parseHex4Bits(string,index-1)<<4),r}function parseBase(str,start,end,mul){for(var r=0,b=0,len=_Mathmin(str.length,end),i=start,c;i<len;i++)c=str.charCodeAt(i)-48,r*=mul,b=49<=c?c-49+10:17<=c?c-17+10:c,assert(0<=c&&b<mul,"Invalid character"),r+=b;return r}function move(dest,src){dest.words=src.words,dest.length=src.length,dest.negative=src.negative,dest.red=src.red}function inspect(){return(this.red?"<BN-R: ":"<BN: ")+this.toString(16)+">"}function toBitArray(num){for(var w=Array(num.bitLength()),bit=0;bit<w.length;bit++){var off=0|bit/26,wbit=bit%26;w[bit]=1&num.words[off]>>>wbit}return w}function smallMulTo(self,num,out){out.negative=num.negative^self.negative;var len=0|self.length+num.length;out.length=len,len=0|len-1;var a=0|self.words[0],b=0|num.words[0],r=a*b,lo=67108863&r,carry=0|r/67108864;out.words[0]=lo;for(var k=1;k<len;k++){for(var ncarry=carry>>>26,rword=67108863&carry,maxJ=_Mathmin(k,num.length-1),j=_Mathmax(0,k-self.length+1),i;j<=maxJ;j++)i=0|k-j,a=0|self.words[i],b=0|num.words[j],r=a*b+rword,ncarry+=0|r/67108864,rword=67108863&r;out.words[k]=0|rword,carry=0|ncarry}return 0===carry?out.length--:out.words[k]=0|carry,out._strip()}function bigMulTo(self,num,out){out.negative=num.negative^self.negative,out.length=self.length+num.length;for(var carry=0,hncarry=0,k=0,ncarry;k<out.length-1;k++){ncarry=hncarry,hncarry=0;for(var rword=67108863&carry,maxJ=_Mathmin(k,num.length-1),j=_Mathmax(0,k-self.length+1);j<=maxJ;j++){var i=k-j,a=0|self.words[i],b=0|num.words[j],r=a*b,lo=67108863&r;ncarry=0|ncarry+(0|r/67108864),lo=0|lo+rword,rword=67108863&lo,ncarry=0|ncarry+(lo>>>26),hncarry+=ncarry>>>26,ncarry&=67108863}out.words[k]=rword,carry=ncarry,ncarry=hncarry}return 0===carry?out.length--:out.words[k]=carry,out._strip()}function jumboMulTo(self,num,out){return bigMulTo(self,num,out)}function FFTM(x,y){this.x=x,this.y=y}function MPrime(name,p){this.name=name,this.p=new BN(p,16),this.n=this.p.bitLength(),this.k=new BN(1).iushln(this.n).isub(this.p),this.tmp=this._tmp()}function K256(){MPrime.call(this,"k256","ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f")}function P224(){MPrime.call(this,"p224","ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001")}function P192(){MPrime.call(this,"p192","ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff")}function P25519(){MPrime.call(this,"25519","7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed")}function Red(m){if("string"==typeof m){var prime=BN._prime(m);this.m=prime.p,this.prime=prime}else assert(m.gtn(1),"modulus must be greater than 1"),this.m=m,this.prime=null}function Mont(m){Red.call(this,m),this.shift=this.m.bitLength(),0!=this.shift%26&&(this.shift+=26-this.shift%26),this.r=new BN(1).iushln(this.shift),this.r2=this.imod(this.r.sqr()),this.rinv=this.r._invmp(this.m),this.minv=this.rinv.mul(this.r).isubn(1).div(this.m),this.minv=this.minv.umod(this.r),this.minv=this.r.sub(this.minv)}"object"==typeof module?module.exports=BN:exports.BN=BN,BN.BN=BN,BN.wordSize=26;var Buffer;try{Buffer="undefined"!=typeof window&&"undefined"!=typeof window.Buffer?window.Buffer:require("buffer").Buffer}catch(e){}if(BN.isBN=function(num){return!!(num instanceof BN)||null!==num&&"object"==typeof num&&num.constructor.wordSize===BN.wordSize&&Array.isArray(num.words)},BN.max=function(left,right){return 0<left.cmp(right)?left:right},BN.min=function(left,right){return 0>left.cmp(right)?left:right},BN.prototype._init=function(number,base,endian){if("number"==typeof number)return this._initNumber(number,base,endian);if("object"==typeof number)return this._initArray(number,base,endian);"hex"===base&&(base=16),assert(base===(0|base)&&2<=base&&36>=base),number=number.toString().replace(/\s+/g,"");var start=0;"-"===number[0]&&(start++,this.negative=1),start<number.length&&(16===base?this._parseHex(number,start,endian):(this._parseBase(number,base,start),"le"===endian&&this._initArray(this.toArray(),base,endian)))},BN.prototype._initNumber=function(number,base,endian){0>number&&(this.negative=1,number=-number),67108864>number?(this.words=[67108863&number],this.length=1):4503599627370496>number?(this.words=[67108863&number,67108863&number/67108864],this.length=2):(assert(9007199254740992>number),this.words=[67108863&number,67108863&number/67108864,1],this.length=3),"le"!==endian||this._initArray(this.toArray(),base,endian)},BN.prototype._initArray=function(number,base,endian){if(assert("number"==typeof number.length),0>=number.length)return this.words=[0],this.length=1,this;this.length=_Mathceil(number.length/3),this.words=Array(this.length);for(var i=0;i<this.length;i++)this.words[i]=0;var off=0,j,w;if("be"===endian)for(i=number.length-1,j=0;0<=i;i-=3)w=number[i]|number[i-1]<<8|number[i-2]<<16,this.words[j]|=67108863&w<<off,this.words[j+1]=67108863&w>>>26-off,off+=24,26<=off&&(off-=26,j++);else if("le"===endian)for(i=0,j=0;i<number.length;i+=3)w=number[i]|number[i+1]<<8|number[i+2]<<16,this.words[j]|=67108863&w<<off,this.words[j+1]=67108863&w>>>26-off,off+=24,26<=off&&(off-=26,j++);return this._strip()},BN.prototype._parseHex=function(number,start,endian){this.length=_Mathceil((number.length-start)/6),this.words=Array(this.length);for(var i=0;i<this.length;i++)this.words[i]=0;var off=0,j=0,w;if("be"===endian)for(i=number.length-1;i>=start;i-=2)w=parseHexByte(number,start,i)<<off,this.words[j]|=67108863&w,18<=off?(off-=18,j+=1,this.words[j]|=w>>>26):off+=8;else{var parseLength=number.length-start;for(i=0==parseLength%2?start+1:start;i<number.length;i+=2)w=parseHexByte(number,start,i)<<off,this.words[j]|=67108863&w,18<=off?(off-=18,j+=1,this.words[j]|=w>>>26):off+=8}this._strip()},BN.prototype._parseBase=function(number,base,start){this.words=[0],this.length=1;for(var limbLen=0,limbPow=1;67108863>=limbPow;limbPow*=base)limbLen++;limbLen--,limbPow=0|limbPow/base;for(var total=number.length-start,mod=total%limbLen,end=_Mathmin(total,total-mod)+start,word=0,i=start;i<end;i+=limbLen)word=parseBase(number,i,i+limbLen,base),this.imuln(limbPow),67108864>this.words[0]+word?this.words[0]+=word:this._iaddn(word);if(0!==mod){var pow=1;for(word=parseBase(number,i,number.length,base),i=0;i<mod;i++)pow*=base;this.imuln(pow),67108864>this.words[0]+word?this.words[0]+=word:this._iaddn(word)}this._strip()},BN.prototype.copy=function(dest){dest.words=Array(this.length);for(var i=0;i<this.length;i++)dest.words[i]=this.words[i];dest.length=this.length,dest.negative=this.negative,dest.red=this.red},BN.prototype._move=function(dest){move(dest,this)},BN.prototype.clone=function(){var r=new BN(null);return this.copy(r),r},BN.prototype._expand=function(size){for(;this.length<size;)this.words[this.length++]=0;return this},BN.prototype._strip=function(){for(;1<this.length&&0===this.words[this.length-1];)this.length--;return this._normSign()},BN.prototype._normSign=function(){return 1===this.length&&0===this.words[0]&&(this.negative=0),this},"undefined"!=typeof Symbol&&"function"==typeof Symbol.for)try{BN.prototype[Symbol.for("nodejs.util.inspect.custom")]=inspect}catch(e){BN.prototype.inspect=inspect}else BN.prototype.inspect=inspect;var zeros=["","0","00","000","0000","00000","000000","0000000","00000000","000000000","0000000000","00000000000","000000000000","0000000000000","00000000000000","000000000000000","0000000000000000","00000000000000000","000000000000000000","0000000000000000000","00000000000000000000","000000000000000000000","0000000000000000000000","00000000000000000000000","000000000000000000000000","0000000000000000000000000"],groupSizes=[0,0,25,16,12,11,10,9,8,8,7,7,7,7,6,6,6,6,6,6,6,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5],groupBases=[0,0,33554432,43046721,16777216,48828125,60466176,40353607,16777216,43046721,1e7,19487171,35831808,62748517,7529536,11390625,16777216,24137569,34012224,47045881,64e6,4084101,5153632,6436343,7962624,9765625,11881376,14348907,17210368,20511149,243e5,28629151,33554432,39135393,45435424,52521875,60466176];BN.prototype.toString=function(base,padding){base=base||10,padding=0|padding||1;var out;if(16===base||"hex"===base){out="";for(var off=0,carry=0,i=0;i<this.length;i++){var w=this.words[i],word=(16777215&(w<<off|carry)).toString(16);carry=16777215&w>>>24-off,out=0!==carry||i!==this.length-1?zeros[6-word.length]+word+out:word+out,off+=2,26<=off&&(off-=26,i--)}for(0!==carry&&(out=carry.toString(16)+out);0!=out.length%padding;)out="0"+out;return 0!==this.negative&&(out="-"+out),out}if(base===(0|base)&&2<=base&&36>=base){var groupSize=groupSizes[base],groupBase=groupBases[base];out="";var c=this.clone();for(c.negative=0;!c.isZero();){var r=c.modrn(groupBase).toString(base);c=c.idivn(groupBase),out=c.isZero()?r+out:zeros[groupSize-r.length]+r+out}for(this.isZero()&&(out="0"+out);0!=out.length%padding;)out="0"+out;return 0!==this.negative&&(out="-"+out),out}assert(!1,"Base should be between 2 and 36")},BN.prototype.toNumber=function(){var ret=this.words[0];return 2===this.length?ret+=67108864*this.words[1]:3===this.length&&1===this.words[2]?ret+=4503599627370496+67108864*this.words[1]:2<this.length&&assert(!1,"Number can only safely store up to 53 bits"),0===this.negative?ret:-ret},BN.prototype.toJSON=function(){return this.toString(16,2)},Buffer&&(BN.prototype.toBuffer=function(endian,length){return this.toArrayLike(Buffer,endian,length)}),BN.prototype.toArray=function(endian,length){return this.toArrayLike(Array,endian,length)};var allocate=function(ArrayType,size){return ArrayType.allocUnsafe?ArrayType.allocUnsafe(size):new ArrayType(size)};BN.prototype.toArrayLike=function(ArrayType,endian,length){this._strip();var byteLength=this.byteLength(),reqLength=length||_Mathmax(1,byteLength);assert(byteLength<=reqLength,"byte array longer than desired length"),assert(0<reqLength,"Requested array length <= 0");var res=allocate(ArrayType,reqLength),postfix="le"===endian?"LE":"BE";return this["_toArrayLike"+postfix](res,byteLength),res},BN.prototype._toArrayLikeLE=function(res){for(var position=0,carry=0,i=0,shift=0,word;i<this.length;i++)word=this.words[i]<<shift|carry,res[position++]=255&word,position<res.length&&(res[position++]=255&word>>8),position<res.length&&(res[position++]=255&word>>16),6==shift?(position<res.length&&(res[position++]=255&word>>24),carry=0,shift=0):(carry=word>>>24,shift+=2);if(position<res.length)for(res[position++]=carry;position<res.length;)res[position++]=0},BN.prototype._toArrayLikeBE=function(res){for(var position=res.length-1,carry=0,i=0,shift=0,word;i<this.length;i++)word=this.words[i]<<shift|carry,res[position--]=255&word,0<=position&&(res[position--]=255&word>>8),0<=position&&(res[position--]=255&word>>16),6==shift?(0<=position&&(res[position--]=255&word>>24),carry=0,shift=0):(carry=word>>>24,shift+=2);if(0<=position)for(res[position--]=carry;0<=position;)res[position--]=0},BN.prototype._countBits=_Mathclz?function(w){return 32-_Mathclz(w)}:function(w){var t=w,r=0;return 4096<=t&&(r+=13,t>>>=13),64<=t&&(r+=7,t>>>=7),8<=t&&(r+=4,t>>>=4),2<=t&&(r+=2,t>>>=2),r+t},BN.prototype._zeroBits=function(w){if(0===w)return 26;var t=w,r=0;return 0==(8191&t)&&(r+=13,t>>>=13),0==(127&t)&&(r+=7,t>>>=7),0==(15&t)&&(r+=4,t>>>=4),0==(3&t)&&(r+=2,t>>>=2),0==(1&t)&&r++,r},BN.prototype.bitLength=function(){var w=this.words[this.length-1],hi=this._countBits(w);return 26*(this.length-1)+hi},BN.prototype.zeroBits=function(){if(this.isZero())return 0;for(var r=0,i=0,b;i<this.length&&(b=this._zeroBits(this.words[i]),r+=b,26===b);i++);return r},BN.prototype.byteLength=function(){return _Mathceil(this.bitLength()/8)},BN.prototype.toTwos=function(width){return 0===this.negative?this.clone():this.abs().inotn(width).iaddn(1)},BN.prototype.fromTwos=function(width){return this.testn(width-1)?this.notn(width).iaddn(1).ineg():this.clone()},BN.prototype.isNeg=function(){return 0!==this.negative},BN.prototype.neg=function(){return this.clone().ineg()},BN.prototype.ineg=function(){return this.isZero()||(this.negative^=1),this},BN.prototype.iuor=function(num){for(;this.length<num.length;)this.words[this.length++]=0;for(var i=0;i<num.length;i++)this.words[i]|=num.words[i];return this._strip()},BN.prototype.ior=function(num){return assert(0==(this.negative|num.negative)),this.iuor(num)},BN.prototype.or=function(num){return this.length>num.length?this.clone().ior(num):num.clone().ior(this)},BN.prototype.uor=function(num){return this.length>num.length?this.clone().iuor(num):num.clone().iuor(this)},BN.prototype.iuand=function(num){var b=this.length>num.length?num:this;for(var i=0;i<b.length;i++)this.words[i]&=num.words[i];return this.length=b.length,this._strip()},BN.prototype.iand=function(num){return assert(0==(this.negative|num.negative)),this.iuand(num)},BN.prototype.and=function(num){return this.length>num.length?this.clone().iand(num):num.clone().iand(this)},BN.prototype.uand=function(num){return this.length>num.length?this.clone().iuand(num):num.clone().iuand(this)},BN.prototype.iuxor=function(num){var a,b;this.length>num.length?(a=this,b=num):(a=num,b=this);for(var i=0;i<b.length;i++)this.words[i]=a.words[i]^b.words[i];if(this!==a)for(;i<a.length;i++)this.words[i]=a.words[i];return this.length=a.length,this._strip()},BN.prototype.ixor=function(num){return assert(0==(this.negative|num.negative)),this.iuxor(num)},BN.prototype.xor=function(num){return this.length>num.length?this.clone().ixor(num):num.clone().ixor(this)},BN.prototype.uxor=function(num){return this.length>num.length?this.clone().iuxor(num):num.clone().iuxor(this)},BN.prototype.inotn=function(width){assert("number"==typeof width&&0<=width);var bytesNeeded=0|_Mathceil(width/26),bitsLeft=width%26;this._expand(bytesNeeded),0<bitsLeft&&bytesNeeded--;for(var i=0;i<bytesNeeded;i++)this.words[i]=67108863&~this.words[i];return 0<bitsLeft&&(this.words[i]=~this.words[i]&67108863>>26-bitsLeft),this._strip()},BN.prototype.notn=function(width){return this.clone().inotn(width)},BN.prototype.setn=function(bit,val){assert("number"==typeof bit&&0<=bit);var off=0|bit/26,wbit=bit%26;return this._expand(off+1),val?this.words[off]|=1<<wbit:this.words[off]&=~(1<<wbit),this._strip()},BN.prototype.iadd=function(num){var r;if(0!==this.negative&&0===num.negative)return this.negative=0,r=this.isub(num),this.negative^=1,this._normSign();if(0===this.negative&&0!==num.negative)return num.negative=0,r=this.isub(num),num.negative=1,r._normSign();var a,b;this.length>num.length?(a=this,b=num):(a=num,b=this);for(var carry=0,i=0;i<b.length;i++)r=(0|a.words[i])+(0|b.words[i])+carry,this.words[i]=67108863&r,carry=r>>>26;for(;0!==carry&&i<a.length;i++)r=(0|a.words[i])+carry,this.words[i]=67108863&r,carry=r>>>26;if(this.length=a.length,0!==carry)this.words[this.length]=carry,this.length++;else if(a!==this)for(;i<a.length;i++)this.words[i]=a.words[i];return this},BN.prototype.add=function(num){var res;return 0!==num.negative&&0===this.negative?(num.negative=0,res=this.sub(num),num.negative^=1,res):0===num.negative&&0!==this.negative?(this.negative=0,res=num.sub(this),this.negative=1,res):this.length>num.length?this.clone().iadd(num):num.clone().iadd(this)},BN.prototype.isub=function(num){if(0!==num.negative){num.negative=0;var r=this.iadd(num);return num.negative=1,r._normSign()}if(0!==this.negative)return this.negative=0,this.iadd(num),this.negative=1,this._normSign();var cmp=this.cmp(num);if(0===cmp)return this.negative=0,this.length=1,this.words[0]=0,this;var a,b;0<cmp?(a=this,b=num):(a=num,b=this);for(var carry=0,i=0;i<b.length;i++)r=(0|a.words[i])-(0|b.words[i])+carry,carry=r>>26,this.words[i]=67108863&r;for(;0!==carry&&i<a.length;i++)r=(0|a.words[i])+carry,carry=r>>26,this.words[i]=67108863&r;if(0===carry&&i<a.length&&a!==this)for(;i<a.length;i++)this.words[i]=a.words[i];return this.length=_Mathmax(this.length,i),a!==this&&(this.negative=1),this._strip()},BN.prototype.sub=function(num){return this.clone().isub(num)};var comb10MulTo=function(self,num,out){var a=self.words,b=num.words,o=out.words,c=0,a0=0|a[0],al0=8191&a0,ah0=a0>>>13,a1=0|a[1],al1=8191&a1,ah1=a1>>>13,a2=0|a[2],al2=8191&a2,ah2=a2>>>13,a3=0|a[3],al3=8191&a3,ah3=a3>>>13,a4=0|a[4],al4=8191&a4,ah4=a4>>>13,a5=0|a[5],al5=8191&a5,ah5=a5>>>13,a6=0|a[6],al6=8191&a6,ah6=a6>>>13,a7=0|a[7],al7=8191&a7,ah7=a7>>>13,a8=0|a[8],al8=8191&a8,ah8=a8>>>13,a9=0|a[9],al9=8191&a9,ah9=a9>>>13,b0=0|b[0],bl0=8191&b0,bh0=b0>>>13,b1=0|b[1],bl1=8191&b1,bh1=b1>>>13,b2=0|b[2],bl2=8191&b2,bh2=b2>>>13,b3=0|b[3],bl3=8191&b3,bh3=b3>>>13,b4=0|b[4],bl4=8191&b4,bh4=b4>>>13,b5=0|b[5],bl5=8191&b5,bh5=b5>>>13,b6=0|b[6],bl6=8191&b6,bh6=b6>>>13,b7=0|b[7],bl7=8191&b7,bh7=b7>>>13,b8=0|b[8],bl8=8191&b8,bh8=b8>>>13,b9=0|b[9],bl9=8191&b9,bh9=b9>>>13,lo,mid,hi;out.negative=self.negative^num.negative,out.length=19,lo=_Mathimul(al0,bl0),mid=_Mathimul(al0,bh0),mid=0|mid+_Mathimul(ah0,bl0),hi=_Mathimul(ah0,bh0);var w0=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w0>>>26),w0&=67108863,lo=_Mathimul(al1,bl0),mid=_Mathimul(al1,bh0),mid=0|mid+_Mathimul(ah1,bl0),hi=_Mathimul(ah1,bh0),lo=0|lo+_Mathimul(al0,bl1),mid=0|mid+_Mathimul(al0,bh1),mid=0|mid+_Mathimul(ah0,bl1),hi=0|hi+_Mathimul(ah0,bh1);var w1=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w1>>>26),w1&=67108863,lo=_Mathimul(al2,bl0),mid=_Mathimul(al2,bh0),mid=0|mid+_Mathimul(ah2,bl0),hi=_Mathimul(ah2,bh0),lo=0|lo+_Mathimul(al1,bl1),mid=0|mid+_Mathimul(al1,bh1),mid=0|mid+_Mathimul(ah1,bl1),hi=0|hi+_Mathimul(ah1,bh1),lo=0|lo+_Mathimul(al0,bl2),mid=0|mid+_Mathimul(al0,bh2),mid=0|mid+_Mathimul(ah0,bl2),hi=0|hi+_Mathimul(ah0,bh2);var w2=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w2>>>26),w2&=67108863,lo=_Mathimul(al3,bl0),mid=_Mathimul(al3,bh0),mid=0|mid+_Mathimul(ah3,bl0),hi=_Mathimul(ah3,bh0),lo=0|lo+_Mathimul(al2,bl1),mid=0|mid+_Mathimul(al2,bh1),mid=0|mid+_Mathimul(ah2,bl1),hi=0|hi+_Mathimul(ah2,bh1),lo=0|lo+_Mathimul(al1,bl2),mid=0|mid+_Mathimul(al1,bh2),mid=0|mid+_Mathimul(ah1,bl2),hi=0|hi+_Mathimul(ah1,bh2),lo=0|lo+_Mathimul(al0,bl3),mid=0|mid+_Mathimul(al0,bh3),mid=0|mid+_Mathimul(ah0,bl3),hi=0|hi+_Mathimul(ah0,bh3);var w3=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w3>>>26),w3&=67108863,lo=_Mathimul(al4,bl0),mid=_Mathimul(al4,bh0),mid=0|mid+_Mathimul(ah4,bl0),hi=_Mathimul(ah4,bh0),lo=0|lo+_Mathimul(al3,bl1),mid=0|mid+_Mathimul(al3,bh1),mid=0|mid+_Mathimul(ah3,bl1),hi=0|hi+_Mathimul(ah3,bh1),lo=0|lo+_Mathimul(al2,bl2),mid=0|mid+_Mathimul(al2,bh2),mid=0|mid+_Mathimul(ah2,bl2),hi=0|hi+_Mathimul(ah2,bh2),lo=0|lo+_Mathimul(al1,bl3),mid=0|mid+_Mathimul(al1,bh3),mid=0|mid+_Mathimul(ah1,bl3),hi=0|hi+_Mathimul(ah1,bh3),lo=0|lo+_Mathimul(al0,bl4),mid=0|mid+_Mathimul(al0,bh4),mid=0|mid+_Mathimul(ah0,bl4),hi=0|hi+_Mathimul(ah0,bh4);var w4=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w4>>>26),w4&=67108863,lo=_Mathimul(al5,bl0),mid=_Mathimul(al5,bh0),mid=0|mid+_Mathimul(ah5,bl0),hi=_Mathimul(ah5,bh0),lo=0|lo+_Mathimul(al4,bl1),mid=0|mid+_Mathimul(al4,bh1),mid=0|mid+_Mathimul(ah4,bl1),hi=0|hi+_Mathimul(ah4,bh1),lo=0|lo+_Mathimul(al3,bl2),mid=0|mid+_Mathimul(al3,bh2),mid=0|mid+_Mathimul(ah3,bl2),hi=0|hi+_Mathimul(ah3,bh2),lo=0|lo+_Mathimul(al2,bl3),mid=0|mid+_Mathimul(al2,bh3),mid=0|mid+_Mathimul(ah2,bl3),hi=0|hi+_Mathimul(ah2,bh3),lo=0|lo+_Mathimul(al1,bl4),mid=0|mid+_Mathimul(al1,bh4),mid=0|mid+_Mathimul(ah1,bl4),hi=0|hi+_Mathimul(ah1,bh4),lo=0|lo+_Mathimul(al0,bl5),mid=0|mid+_Mathimul(al0,bh5),mid=0|mid+_Mathimul(ah0,bl5),hi=0|hi+_Mathimul(ah0,bh5);var w5=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w5>>>26),w5&=67108863,lo=_Mathimul(al6,bl0),mid=_Mathimul(al6,bh0),mid=0|mid+_Mathimul(ah6,bl0),hi=_Mathimul(ah6,bh0),lo=0|lo+_Mathimul(al5,bl1),mid=0|mid+_Mathimul(al5,bh1),mid=0|mid+_Mathimul(ah5,bl1),hi=0|hi+_Mathimul(ah5,bh1),lo=0|lo+_Mathimul(al4,bl2),mid=0|mid+_Mathimul(al4,bh2),mid=0|mid+_Mathimul(ah4,bl2),hi=0|hi+_Mathimul(ah4,bh2),lo=0|lo+_Mathimul(al3,bl3),mid=0|mid+_Mathimul(al3,bh3),mid=0|mid+_Mathimul(ah3,bl3),hi=0|hi+_Mathimul(ah3,bh3),lo=0|lo+_Mathimul(al2,bl4),mid=0|mid+_Mathimul(al2,bh4),mid=0|mid+_Mathimul(ah2,bl4),hi=0|hi+_Mathimul(ah2,bh4),lo=0|lo+_Mathimul(al1,bl5),mid=0|mid+_Mathimul(al1,bh5),mid=0|mid+_Mathimul(ah1,bl5),hi=0|hi+_Mathimul(ah1,bh5),lo=0|lo+_Mathimul(al0,bl6),mid=0|mid+_Mathimul(al0,bh6),mid=0|mid+_Mathimul(ah0,bl6),hi=0|hi+_Mathimul(ah0,bh6);var w6=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w6>>>26),w6&=67108863,lo=_Mathimul(al7,bl0),mid=_Mathimul(al7,bh0),mid=0|mid+_Mathimul(ah7,bl0),hi=_Mathimul(ah7,bh0),lo=0|lo+_Mathimul(al6,bl1),mid=0|mid+_Mathimul(al6,bh1),mid=0|mid+_Mathimul(ah6,bl1),hi=0|hi+_Mathimul(ah6,bh1),lo=0|lo+_Mathimul(al5,bl2),mid=0|mid+_Mathimul(al5,bh2),mid=0|mid+_Mathimul(ah5,bl2),hi=0|hi+_Mathimul(ah5,bh2),lo=0|lo+_Mathimul(al4,bl3),mid=0|mid+_Mathimul(al4,bh3),mid=0|mid+_Mathimul(ah4,bl3),hi=0|hi+_Mathimul(ah4,bh3),lo=0|lo+_Mathimul(al3,bl4),mid=0|mid+_Mathimul(al3,bh4),mid=0|mid+_Mathimul(ah3,bl4),hi=0|hi+_Mathimul(ah3,bh4),lo=0|lo+_Mathimul(al2,bl5),mid=0|mid+_Mathimul(al2,bh5),mid=0|mid+_Mathimul(ah2,bl5),hi=0|hi+_Mathimul(ah2,bh5),lo=0|lo+_Mathimul(al1,bl6),mid=0|mid+_Mathimul(al1,bh6),mid=0|mid+_Mathimul(ah1,bl6),hi=0|hi+_Mathimul(ah1,bh6),lo=0|lo+_Mathimul(al0,bl7),mid=0|mid+_Mathimul(al0,bh7),mid=0|mid+_Mathimul(ah0,bl7),hi=0|hi+_Mathimul(ah0,bh7);var w7=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w7>>>26),w7&=67108863,lo=_Mathimul(al8,bl0),mid=_Mathimul(al8,bh0),mid=0|mid+_Mathimul(ah8,bl0),hi=_Mathimul(ah8,bh0),lo=0|lo+_Mathimul(al7,bl1),mid=0|mid+_Mathimul(al7,bh1),mid=0|mid+_Mathimul(ah7,bl1),hi=0|hi+_Mathimul(ah7,bh1),lo=0|lo+_Mathimul(al6,bl2),mid=0|mid+_Mathimul(al6,bh2),mid=0|mid+_Mathimul(ah6,bl2),hi=0|hi+_Mathimul(ah6,bh2),lo=0|lo+_Mathimul(al5,bl3),mid=0|mid+_Mathimul(al5,bh3),mid=0|mid+_Mathimul(ah5,bl3),hi=0|hi+_Mathimul(ah5,bh3),lo=0|lo+_Mathimul(al4,bl4),mid=0|mid+_Mathimul(al4,bh4),mid=0|mid+_Mathimul(ah4,bl4),hi=0|hi+_Mathimul(ah4,bh4),lo=0|lo+_Mathimul(al3,bl5),mid=0|mid+_Mathimul(al3,bh5),mid=0|mid+_Mathimul(ah3,bl5),hi=0|hi+_Mathimul(ah3,bh5),lo=0|lo+_Mathimul(al2,bl6),mid=0|mid+_Mathimul(al2,bh6),mid=0|mid+_Mathimul(ah2,bl6),hi=0|hi+_Mathimul(ah2,bh6),lo=0|lo+_Mathimul(al1,bl7),mid=0|mid+_Mathimul(al1,bh7),mid=0|mid+_Mathimul(ah1,bl7),hi=0|hi+_Mathimul(ah1,bh7),lo=0|lo+_Mathimul(al0,bl8),mid=0|mid+_Mathimul(al0,bh8),mid=0|mid+_Mathimul(ah0,bl8),hi=0|hi+_Mathimul(ah0,bh8);var w8=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w8>>>26),w8&=67108863,lo=_Mathimul(al9,bl0),mid=_Mathimul(al9,bh0),mid=0|mid+_Mathimul(ah9,bl0),hi=_Mathimul(ah9,bh0),lo=0|lo+_Mathimul(al8,bl1),mid=0|mid+_Mathimul(al8,bh1),mid=0|mid+_Mathimul(ah8,bl1),hi=0|hi+_Mathimul(ah8,bh1),lo=0|lo+_Mathimul(al7,bl2),mid=0|mid+_Mathimul(al7,bh2),mid=0|mid+_Mathimul(ah7,bl2),hi=0|hi+_Mathimul(ah7,bh2),lo=0|lo+_Mathimul(al6,bl3),mid=0|mid+_Mathimul(al6,bh3),mid=0|mid+_Mathimul(ah6,bl3),hi=0|hi+_Mathimul(ah6,bh3),lo=0|lo+_Mathimul(al5,bl4),mid=0|mid+_Mathimul(al5,bh4),mid=0|mid+_Mathimul(ah5,bl4),hi=0|hi+_Mathimul(ah5,bh4),lo=0|lo+_Mathimul(al4,bl5),mid=0|mid+_Mathimul(al4,bh5),mid=0|mid+_Mathimul(ah4,bl5),hi=0|hi+_Mathimul(ah4,bh5),lo=0|lo+_Mathimul(al3,bl6),mid=0|mid+_Mathimul(al3,bh6),mid=0|mid+_Mathimul(ah3,bl6),hi=0|hi+_Mathimul(ah3,bh6),lo=0|lo+_Mathimul(al2,bl7),mid=0|mid+_Mathimul(al2,bh7),mid=0|mid+_Mathimul(ah2,bl7),hi=0|hi+_Mathimul(ah2,bh7),lo=0|lo+_Mathimul(al1,bl8),mid=0|mid+_Mathimul(al1,bh8),mid=0|mid+_Mathimul(ah1,bl8),hi=0|hi+_Mathimul(ah1,bh8),lo=0|lo+_Mathimul(al0,bl9),mid=0|mid+_Mathimul(al0,bh9),mid=0|mid+_Mathimul(ah0,bl9),hi=0|hi+_Mathimul(ah0,bh9);var w9=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w9>>>26),w9&=67108863,lo=_Mathimul(al9,bl1),mid=_Mathimul(al9,bh1),mid=0|mid+_Mathimul(ah9,bl1),hi=_Mathimul(ah9,bh1),lo=0|lo+_Mathimul(al8,bl2),mid=0|mid+_Mathimul(al8,bh2),mid=0|mid+_Mathimul(ah8,bl2),hi=0|hi+_Mathimul(ah8,bh2),lo=0|lo+_Mathimul(al7,bl3),mid=0|mid+_Mathimul(al7,bh3),mid=0|mid+_Mathimul(ah7,bl3),hi=0|hi+_Mathimul(ah7,bh3),lo=0|lo+_Mathimul(al6,bl4),mid=0|mid+_Mathimul(al6,bh4),mid=0|mid+_Mathimul(ah6,bl4),hi=0|hi+_Mathimul(ah6,bh4),lo=0|lo+_Mathimul(al5,bl5),mid=0|mid+_Mathimul(al5,bh5),mid=0|mid+_Mathimul(ah5,bl5),hi=0|hi+_Mathimul(ah5,bh5),lo=0|lo+_Mathimul(al4,bl6),mid=0|mid+_Mathimul(al4,bh6),mid=0|mid+_Mathimul(ah4,bl6),hi=0|hi+_Mathimul(ah4,bh6),lo=0|lo+_Mathimul(al3,bl7),mid=0|mid+_Mathimul(al3,bh7),mid=0|mid+_Mathimul(ah3,bl7),hi=0|hi+_Mathimul(ah3,bh7),lo=0|lo+_Mathimul(al2,bl8),mid=0|mid+_Mathimul(al2,bh8),mid=0|mid+_Mathimul(ah2,bl8),hi=0|hi+_Mathimul(ah2,bh8),lo=0|lo+_Mathimul(al1,bl9),mid=0|mid+_Mathimul(al1,bh9),mid=0|mid+_Mathimul(ah1,bl9),hi=0|hi+_Mathimul(ah1,bh9);var w10=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w10>>>26),w10&=67108863,lo=_Mathimul(al9,bl2),mid=_Mathimul(al9,bh2),mid=0|mid+_Mathimul(ah9,bl2),hi=_Mathimul(ah9,bh2),lo=0|lo+_Mathimul(al8,bl3),mid=0|mid+_Mathimul(al8,bh3),mid=0|mid+_Mathimul(ah8,bl3),hi=0|hi+_Mathimul(ah8,bh3),lo=0|lo+_Mathimul(al7,bl4),mid=0|mid+_Mathimul(al7,bh4),mid=0|mid+_Mathimul(ah7,bl4),hi=0|hi+_Mathimul(ah7,bh4),lo=0|lo+_Mathimul(al6,bl5),mid=0|mid+_Mathimul(al6,bh5),mid=0|mid+_Mathimul(ah6,bl5),hi=0|hi+_Mathimul(ah6,bh5),lo=0|lo+_Mathimul(al5,bl6),mid=0|mid+_Mathimul(al5,bh6),mid=0|mid+_Mathimul(ah5,bl6),hi=0|hi+_Mathimul(ah5,bh6),lo=0|lo+_Mathimul(al4,bl7),mid=0|mid+_Mathimul(al4,bh7),mid=0|mid+_Mathimul(ah4,bl7),hi=0|hi+_Mathimul(ah4,bh7),lo=0|lo+_Mathimul(al3,bl8),mid=0|mid+_Mathimul(al3,bh8),mid=0|mid+_Mathimul(ah3,bl8),hi=0|hi+_Mathimul(ah3,bh8),lo=0|lo+_Mathimul(al2,bl9),mid=0|mid+_Mathimul(al2,bh9),mid=0|mid+_Mathimul(ah2,bl9),hi=0|hi+_Mathimul(ah2,bh9);var w11=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w11>>>26),w11&=67108863,lo=_Mathimul(al9,bl3),mid=_Mathimul(al9,bh3),mid=0|mid+_Mathimul(ah9,bl3),hi=_Mathimul(ah9,bh3),lo=0|lo+_Mathimul(al8,bl4),mid=0|mid+_Mathimul(al8,bh4),mid=0|mid+_Mathimul(ah8,bl4),hi=0|hi+_Mathimul(ah8,bh4),lo=0|lo+_Mathimul(al7,bl5),mid=0|mid+_Mathimul(al7,bh5),mid=0|mid+_Mathimul(ah7,bl5),hi=0|hi+_Mathimul(ah7,bh5),lo=0|lo+_Mathimul(al6,bl6),mid=0|mid+_Mathimul(al6,bh6),mid=0|mid+_Mathimul(ah6,bl6),hi=0|hi+_Mathimul(ah6,bh6),lo=0|lo+_Mathimul(al5,bl7),mid=0|mid+_Mathimul(al5,bh7),mid=0|mid+_Mathimul(ah5,bl7),hi=0|hi+_Mathimul(ah5,bh7),lo=0|lo+_Mathimul(al4,bl8),mid=0|mid+_Mathimul(al4,bh8),mid=0|mid+_Mathimul(ah4,bl8),hi=0|hi+_Mathimul(ah4,bh8),lo=0|lo+_Mathimul(al3,bl9),mid=0|mid+_Mathimul(al3,bh9),mid=0|mid+_Mathimul(ah3,bl9),hi=0|hi+_Mathimul(ah3,bh9);var w12=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w12>>>26),w12&=67108863,lo=_Mathimul(al9,bl4),mid=_Mathimul(al9,bh4),mid=0|mid+_Mathimul(ah9,bl4),hi=_Mathimul(ah9,bh4),lo=0|lo+_Mathimul(al8,bl5),mid=0|mid+_Mathimul(al8,bh5),mid=0|mid+_Mathimul(ah8,bl5),hi=0|hi+_Mathimul(ah8,bh5),lo=0|lo+_Mathimul(al7,bl6),mid=0|mid+_Mathimul(al7,bh6),mid=0|mid+_Mathimul(ah7,bl6),hi=0|hi+_Mathimul(ah7,bh6),lo=0|lo+_Mathimul(al6,bl7),mid=0|mid+_Mathimul(al6,bh7),mid=0|mid+_Mathimul(ah6,bl7),hi=0|hi+_Mathimul(ah6,bh7),lo=0|lo+_Mathimul(al5,bl8),mid=0|mid+_Mathimul(al5,bh8),mid=0|mid+_Mathimul(ah5,bl8),hi=0|hi+_Mathimul(ah5,bh8),lo=0|lo+_Mathimul(al4,bl9),mid=0|mid+_Mathimul(al4,bh9),mid=0|mid+_Mathimul(ah4,bl9),hi=0|hi+_Mathimul(ah4,bh9);var w13=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w13>>>26),w13&=67108863,lo=_Mathimul(al9,bl5),mid=_Mathimul(al9,bh5),mid=0|mid+_Mathimul(ah9,bl5),hi=_Mathimul(ah9,bh5),lo=0|lo+_Mathimul(al8,bl6),mid=0|mid+_Mathimul(al8,bh6),mid=0|mid+_Mathimul(ah8,bl6),hi=0|hi+_Mathimul(ah8,bh6),lo=0|lo+_Mathimul(al7,bl7),mid=0|mid+_Mathimul(al7,bh7),mid=0|mid+_Mathimul(ah7,bl7),hi=0|hi+_Mathimul(ah7,bh7),lo=0|lo+_Mathimul(al6,bl8),mid=0|mid+_Mathimul(al6,bh8),mid=0|mid+_Mathimul(ah6,bl8),hi=0|hi+_Mathimul(ah6,bh8),lo=0|lo+_Mathimul(al5,bl9),mid=0|mid+_Mathimul(al5,bh9),mid=0|mid+_Mathimul(ah5,bl9),hi=0|hi+_Mathimul(ah5,bh9);var w14=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w14>>>26),w14&=67108863,lo=_Mathimul(al9,bl6),mid=_Mathimul(al9,bh6),mid=0|mid+_Mathimul(ah9,bl6),hi=_Mathimul(ah9,bh6),lo=0|lo+_Mathimul(al8,bl7),mid=0|mid+_Mathimul(al8,bh7),mid=0|mid+_Mathimul(ah8,bl7),hi=0|hi+_Mathimul(ah8,bh7),lo=0|lo+_Mathimul(al7,bl8),mid=0|mid+_Mathimul(al7,bh8),mid=0|mid+_Mathimul(ah7,bl8),hi=0|hi+_Mathimul(ah7,bh8),lo=0|lo+_Mathimul(al6,bl9),mid=0|mid+_Mathimul(al6,bh9),mid=0|mid+_Mathimul(ah6,bl9),hi=0|hi+_Mathimul(ah6,bh9);var w15=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w15>>>26),w15&=67108863,lo=_Mathimul(al9,bl7),mid=_Mathimul(al9,bh7),mid=0|mid+_Mathimul(ah9,bl7),hi=_Mathimul(ah9,bh7),lo=0|lo+_Mathimul(al8,bl8),mid=0|mid+_Mathimul(al8,bh8),mid=0|mid+_Mathimul(ah8,bl8),hi=0|hi+_Mathimul(ah8,bh8),lo=0|lo+_Mathimul(al7,bl9),mid=0|mid+_Mathimul(al7,bh9),mid=0|mid+_Mathimul(ah7,bl9),hi=0|hi+_Mathimul(ah7,bh9);var w16=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w16>>>26),w16&=67108863,lo=_Mathimul(al9,bl8),mid=_Mathimul(al9,bh8),mid=0|mid+_Mathimul(ah9,bl8),hi=_Mathimul(ah9,bh8),lo=0|lo+_Mathimul(al8,bl9),mid=0|mid+_Mathimul(al8,bh9),mid=0|mid+_Mathimul(ah8,bl9),hi=0|hi+_Mathimul(ah8,bh9);var w17=0|(0|c+lo)+((8191&mid)<<13);c=0|(0|hi+(mid>>>13))+(w17>>>26),w17&=67108863,lo=_Mathimul(al9,bl9),mid=_Mathimul(al9,bh9),mid=0|mid+_Mathimul(ah9,bl9),hi=_Mathimul(ah9,bh9);var w18=0|(0|c+lo)+((8191&mid)<<13);return c=0|(0|hi+(mid>>>13))+(w18>>>26),w18&=67108863,o[0]=w0,o[1]=w1,o[2]=w2,o[3]=w3,o[4]=w4,o[5]=w5,o[6]=w6,o[7]=w7,o[8]=w8,o[9]=w9,o[10]=w10,o[11]=w11,o[12]=w12,o[13]=w13,o[14]=w14,o[15]=w15,o[16]=w16,o[17]=w17,o[18]=w18,0!==c&&(o[19]=c,out.length++),out};_Mathimul||(comb10MulTo=smallMulTo),BN.prototype.mulTo=function(num,out){var len=this.length+num.length,res;return res=10===this.length&&10===num.length?comb10MulTo(this,num,out):63>len?smallMulTo(this,num,out):1024>len?bigMulTo(this,num,out):jumboMulTo(this,num,out),res},FFTM.prototype.makeRBT=function(N){for(var t=Array(N),l=BN.prototype._countBits(N)-1,i=0;i<N;i++)t[i]=this.revBin(i,l,N);return t},FFTM.prototype.revBin=function(x,l,N){if(0===x||x===N-1)return x;for(var rb=0,i=0;i<l;i++)rb|=(1&x)<<l-i-1,x>>=1;return rb},FFTM.prototype.permute=function(rbt,rws,iws,rtws,itws,N){for(var i=0;i<N;i++)rtws[i]=rws[rbt[i]],itws[i]=iws[rbt[i]]},FFTM.prototype.transform=function(rws,iws,rtws,itws,N,rbt){this.permute(rbt,rws,iws,rtws,itws,N);for(var s=1;s<N;s<<=1)for(var l=s<<1,rtwdf=_Mathcos(2*_MathPI/l),itwdf=_Mathsin(2*_MathPI/l),p=0;p<N;p+=l)for(var rtwdf_=rtwdf,itwdf_=itwdf,j=0;j<s;j++){var re=rtws[p+j],ie=itws[p+j],ro=rtws[p+j+s],io=itws[p+j+s],rx=rtwdf_*ro-itwdf_*io;io=rtwdf_*io+itwdf_*ro,ro=rx,rtws[p+j]=re+ro,itws[p+j]=ie+io,rtws[p+j+s]=re-ro,itws[p+j+s]=ie-io,j!==l&&(rx=rtwdf*rtwdf_-itwdf*itwdf_,itwdf_=rtwdf*itwdf_+itwdf*rtwdf_,rtwdf_=rx)}},FFTM.prototype.guessLen13b=function(n,m){var N=1|_Mathmax(m,n),odd=1&N,i=0;for(N=0|N/2;N;N>>>=1)i++;return 1<<i+1+odd},FFTM.prototype.conjugate=function(rws,iws,N){if(!(1>=N))for(var i=0,t;i<N/2;i++)t=rws[i],rws[i]=rws[N-i-1],rws[N-i-1]=t,t=iws[i],iws[i]=-iws[N-i-1],iws[N-i-1]=-t},FFTM.prototype.normalize13b=function(ws,N){for(var carry=0,i=0,w;i<N/2;i++)w=8192*_Mathround(ws[2*i+1]/N)+_Mathround(ws[2*i]/N)+carry,ws[i]=67108863&w,carry=67108864>w?0:0|w/67108864;return ws},FFTM.prototype.convert13b=function(ws,len,rws,N){for(var carry=0,i=0;i<len;i++)carry+=0|ws[i],rws[2*i]=8191&carry,carry>>>=13,rws[2*i+1]=8191&carry,carry>>>=13;for(i=2*len;i<N;++i)rws[i]=0;assert(0===carry),assert(0==(-8192&carry))},FFTM.prototype.stub=function(N){for(var ph=Array(N),i=0;i<N;i++)ph[i]=0;return ph},FFTM.prototype.mulp=function(x,y,out){var N=2*this.guessLen13b(x.length,y.length),rbt=this.makeRBT(N),_=this.stub(N),rws=Array(N),rwst=Array(N),iwst=Array(N),nrws=Array(N),nrwst=Array(N),niwst=Array(N),rmws=out.words;rmws.length=N,this.convert13b(x.words,x.length,rws,N),this.convert13b(y.words,y.length,nrws,N),this.transform(rws,_,rwst,iwst,N,rbt),this.transform(nrws,_,nrwst,niwst,N,rbt);for(var i=0,rx;i<N;i++)rx=rwst[i]*nrwst[i]-iwst[i]*niwst[i],iwst[i]=rwst[i]*niwst[i]+iwst[i]*nrwst[i],rwst[i]=rx;return this.conjugate(rwst,iwst,N),this.transform(rwst,iwst,rmws,_,N,rbt),this.conjugate(rmws,_,N),this.normalize13b(rmws,N),out.negative=x.negative^y.negative,out.length=x.length+y.length,out._strip()},BN.prototype.mul=function(num){var out=new BN(null);return out.words=Array(this.length+num.length),this.mulTo(num,out)},BN.prototype.mulf=function(num){var out=new BN(null);return out.words=Array(this.length+num.length),jumboMulTo(this,num,out)},BN.prototype.imul=function(num){return this.clone().mulTo(num,this)},BN.prototype.imuln=function(num){var isNegNum=0>num;isNegNum&&(num=-num),assert("number"==typeof num),assert(67108864>num);for(var carry=0,i=0;i<this.length;i++){var w=(0|this.words[i])*num,lo=(67108863&w)+(67108863&carry);carry>>=26,carry+=0|w/67108864,carry+=lo>>>26,this.words[i]=67108863&lo}return 0!==carry&&(this.words[i]=carry,this.length++),isNegNum?this.ineg():this},BN.prototype.muln=function(num){return this.clone().imuln(num)},BN.prototype.sqr=function(){return this.mul(this)},BN.prototype.isqr=function(){return this.imul(this.clone())},BN.prototype.pow=function(num){var w=toBitArray(num);if(0===w.length)return new BN(1);for(var res=this,i=0;i<w.length&&0===w[i];i++,res=res.sqr());if(++i<w.length)for(var q=res.sqr();i<w.length;i++,q=q.sqr())0!==w[i]&&(res=res.mul(q));return res},BN.prototype.iushln=function(bits){assert("number"==typeof bits&&0<=bits);var r=bits%26,s=(bits-r)/26,i;if(0!=r){var carry=0;for(i=0;i<this.length;i++){var newCarry=this.words[i]&67108863>>>26-r<<26-r,c=(0|this.words[i])-newCarry<<r;this.words[i]=c|carry,carry=newCarry>>>26-r}carry&&(this.words[i]=carry,this.length++)}if(0!==s){for(i=this.length-1;0<=i;i--)this.words[i+s]=this.words[i];for(i=0;i<s;i++)this.words[i]=0;this.length+=s}return this._strip()},BN.prototype.ishln=function(bits){return assert(0===this.negative),this.iushln(bits)},BN.prototype.iushrn=function(bits,hint,extended){assert("number"==typeof bits&&0<=bits);var h=hint?(hint-hint%26)/26:0;var r=bits%26,s=_Mathmin((bits-r)/26,this.length),maskedWords=extended;if(h-=s,h=_Mathmax(0,h),maskedWords){for(var i=0;i<s;i++)maskedWords.words[i]=this.words[i];maskedWords.length=s}if(0===s);else if(this.length>s)for(this.length-=s,i=0;i<this.length;i++)this.words[i]=this.words[i+s];else this.words[0]=0,this.length=1;var carry=0;for(i=this.length-1;0<=i&&(0!==carry||i>=h);i--){var word=0|this.words[i];this.words[i]=carry<<26-r|word>>>r,carry=word&(67108863^67108863>>>r<<r)}return maskedWords&&0!==carry&&(maskedWords.words[maskedWords.length++]=carry),0===this.length&&(this.words[0]=0,this.length=1),this._strip()},BN.prototype.ishrn=function(bits,hint,extended){return assert(0===this.negative),this.iushrn(bits,hint,extended)},BN.prototype.shln=function(bits){return this.clone().ishln(bits)},BN.prototype.ushln=function(bits){return this.clone().iushln(bits)},BN.prototype.shrn=function(bits){return this.clone().ishrn(bits)},BN.prototype.ushrn=function(bits){return this.clone().iushrn(bits)},BN.prototype.testn=function(bit){assert("number"==typeof bit&&0<=bit);var r=bit%26,s=(bit-r)/26;if(this.length<=s)return!1;var w=this.words[s];return!!(w&1<<r)},BN.prototype.imaskn=function(bits){assert("number"==typeof bits&&0<=bits);var r=bits%26,s=(bits-r)/26;if(assert(0===this.negative,"imaskn works only with positive numbers"),this.length<=s)return this;if(0!=r&&s++,this.length=_Mathmin(s,this.length),0!=r){this.words[this.length-1]&=67108863^67108863>>>r<<r}return this._strip()},BN.prototype.maskn=function(bits){return this.clone().imaskn(bits)},BN.prototype.iaddn=function(num){return assert("number"==typeof num),assert(67108864>num),0>num?this.isubn(-num):0===this.negative?this._iaddn(num):1===this.length&&(0|this.words[0])<=num?(this.words[0]=num-(0|this.words[0]),this.negative=0,this):(this.negative=0,this.isubn(num),this.negative=1,this)},BN.prototype._iaddn=function(num){this.words[0]+=num;for(var i=0;i<this.length&&67108864<=this.words[i];i++)this.words[i]-=67108864,i==this.length-1?this.words[i+1]=1:this.words[i+1]++;return this.length=_Mathmax(this.length,i+1),this},BN.prototype.isubn=function(num){if(assert("number"==typeof num),assert(67108864>num),0>num)return this.iaddn(-num);if(0!==this.negative)return this.negative=0,this.iaddn(num),this.negative=1,this;if(this.words[0]-=num,1===this.length&&0>this.words[0])this.words[0]=-this.words[0],this.negative=1;else for(var i=0;i<this.length&&0>this.words[i];i++)this.words[i]+=67108864,this.words[i+1]-=1;return this._strip()},BN.prototype.addn=function(num){return this.clone().iaddn(num)},BN.prototype.subn=function(num){return this.clone().isubn(num)},BN.prototype.iabs=function(){return this.negative=0,this},BN.prototype.abs=function(){return this.clone().iabs()},BN.prototype._ishlnsubmul=function(num,mul,shift){var len=num.length+shift,i;this._expand(len);var carry=0,w;for(i=0;i<num.length;i++){w=(0|this.words[i+shift])+carry;var right=(0|num.words[i])*mul;w-=67108863&right,carry=(w>>26)-(0|right/67108864),this.words[i+shift]=67108863&w}for(;i<this.length-shift;i++)w=(0|this.words[i+shift])+carry,carry=w>>26,this.words[i+shift]=67108863&w;if(0===carry)return this._strip();for(assert(-1===carry),carry=0,i=0;i<this.length;i++)w=-(0|this.words[i])+carry,carry=w>>26,this.words[i]=67108863&w;return this.negative=1,this._strip()},BN.prototype._wordDiv=function(num,mode){var shift=this.length-num.length,a=this.clone(),b=num,bhi=0|b.words[b.length-1],bhiBits=this._countBits(bhi);shift=26-bhiBits,0!=shift&&(b=b.ushln(shift),a.iushln(shift),bhi=0|b.words[b.length-1]);var m=a.length-b.length,q;if("mod"!==mode){q=new BN(null),q.length=m+1,q.words=Array(q.length);for(var i=0;i<q.length;i++)q.words[i]=0}var diff=a.clone()._ishlnsubmul(b,1,m);0===diff.negative&&(a=diff,q&&(q.words[m]=1));for(var j=m-1,qj;0<=j;j--){for(qj=67108864*(0|a.words[b.length+j])+(0|a.words[b.length+j-1]),qj=_Mathmin(0|qj/bhi,67108863),a._ishlnsubmul(b,qj,j);0!==a.negative;)qj--,a.negative=0,a._ishlnsubmul(b,1,j),a.isZero()||(a.negative^=1);q&&(q.words[j]=qj)}return q&&q._strip(),a._strip(),"div"!==mode&&0!==shift&&a.iushrn(shift),{div:q||null,mod:a}},BN.prototype.divmod=function(num,mode,positive){if(assert(!num.isZero()),this.isZero())return{div:new BN(0),mod:new BN(0)};var div,mod,res;return 0!==this.negative&&0===num.negative?(res=this.neg().divmod(num,mode),"mod"!==mode&&(div=res.div.neg()),"div"!==mode&&(mod=res.mod.neg(),positive&&0!==mod.negative&&mod.iadd(num)),{div:div,mod:mod}):0===this.negative&&0!==num.negative?(res=this.divmod(num.neg(),mode),"mod"!==mode&&(div=res.div.neg()),{div:div,mod:res.mod}):0==(this.negative&num.negative)?num.length>this.length||0>this.cmp(num)?{div:new BN(0),mod:this}:1===num.length?"div"===mode?{div:this.divn(num.words[0]),mod:null}:"mod"===mode?{div:null,mod:new BN(this.modrn(num.words[0]))}:{div:this.divn(num.words[0]),mod:new BN(this.modrn(num.words[0]))}:this._wordDiv(num,mode):(res=this.neg().divmod(num.neg(),mode),"div"!==mode&&(mod=res.mod.neg(),positive&&0!==mod.negative&&mod.isub(num)),{div:res.div,mod:mod})},BN.prototype.div=function(num){return this.divmod(num,"div",!1).div},BN.prototype.mod=function(num){return this.divmod(num,"mod",!1).mod},BN.prototype.umod=function(num){return this.divmod(num,"mod",!0).mod},BN.prototype.divRound=function(num){var dm=this.divmod(num);if(dm.mod.isZero())return dm.div;var mod=0===dm.div.negative?dm.mod:dm.mod.isub(num),half=num.ushrn(1),r2=num.andln(1),cmp=mod.cmp(half);return 0>cmp||1===r2&&0===cmp?dm.div:0===dm.div.negative?dm.div.iaddn(1):dm.div.isubn(1)},BN.prototype.modrn=function(num){var isNegNum=0>num;isNegNum&&(num=-num),assert(67108863>=num);for(var p=67108864%num,acc=0,i=this.length-1;0<=i;i--)acc=(p*acc+(0|this.words[i]))%num;return isNegNum?-acc:acc},BN.prototype.modn=function(num){return this.modrn(num)},BN.prototype.idivn=function(num){var isNegNum=0>num;isNegNum&&(num=-num),assert(67108863>=num);for(var carry=0,i=this.length-1,w;0<=i;i--)w=(0|this.words[i])+67108864*carry,this.words[i]=0|w/num,carry=w%num;return this._strip(),isNegNum?this.ineg():this},BN.prototype.divn=function(num){return this.clone().idivn(num)},BN.prototype.egcd=function(p){assert(0===p.negative),assert(!p.isZero());var x=this,y=p.clone();x=0===x.negative?x.clone():x.umod(p);for(var A=new BN(1),B=new BN(0),C=new BN(0),D=new BN(1),g=0;x.isEven()&&y.isEven();)x.iushrn(1),y.iushrn(1),++g;for(var yp=y.clone(),xp=x.clone();!x.isZero();){for(var i=0,im=1;0==(x.words[0]&im)&&26>i;++i,im<<=1);if(0<i)for(x.iushrn(i);0<i--;)(A.isOdd()||B.isOdd())&&(A.iadd(yp),B.isub(xp)),A.iushrn(1),B.iushrn(1);for(var j=0,jm=1;0==(y.words[0]&jm)&&26>j;++j,jm<<=1);if(0<j)for(y.iushrn(j);0<j--;)(C.isOdd()||D.isOdd())&&(C.iadd(yp),D.isub(xp)),C.iushrn(1),D.iushrn(1);0<=x.cmp(y)?(x.isub(y),A.isub(C),B.isub(D)):(y.isub(x),C.isub(A),D.isub(B))}return{a:C,b:D,gcd:y.iushln(g)}},BN.prototype._invmp=function(p){assert(0===p.negative),assert(!p.isZero());var a=this,b=p.clone();a=0===a.negative?a.clone():a.umod(p);for(var x1=new BN(1),x2=new BN(0),delta=b.clone();0<a.cmpn(1)&&0<b.cmpn(1);){for(var i=0,im=1;0==(a.words[0]&im)&&26>i;++i,im<<=1);if(0<i)for(a.iushrn(i);0<i--;)x1.isOdd()&&x1.iadd(delta),x1.iushrn(1);for(var j=0,jm=1;0==(b.words[0]&jm)&&26>j;++j,jm<<=1);if(0<j)for(b.iushrn(j);0<j--;)x2.isOdd()&&x2.iadd(delta),x2.iushrn(1);0<=a.cmp(b)?(a.isub(b),x1.isub(x2)):(b.isub(a),x2.isub(x1))}var res;return res=0===a.cmpn(1)?x1:x2,0>res.cmpn(0)&&res.iadd(p),res},BN.prototype.gcd=function(num){if(this.isZero())return num.abs();if(num.isZero())return this.abs();var a=this.clone(),b=num.clone();a.negative=0,b.negative=0;for(var shift=0;a.isEven()&&b.isEven();shift++)a.iushrn(1),b.iushrn(1);do{for(;a.isEven();)a.iushrn(1);for(;b.isEven();)b.iushrn(1);var r=a.cmp(b);if(0>r){var t=a;a=b,b=t}else if(0===r||0===b.cmpn(1))break;a.isub(b)}while(!0);return b.iushln(shift)},BN.prototype.invm=function(num){return this.egcd(num).a.umod(num)},BN.prototype.isEven=function(){return 0==(1&this.words[0])},BN.prototype.isOdd=function(){return 1==(1&this.words[0])},BN.prototype.andln=function(num){return this.words[0]&num},BN.prototype.bincn=function(bit){assert("number"==typeof bit);var r=bit%26,s=(bit-r)/26,q=1<<r;if(this.length<=s)return this._expand(s+1),this.words[s]|=q,this;for(var carry=q,i=s,w;0!==carry&&i<this.length;i++)w=0|this.words[i],w+=carry,carry=w>>>26,w&=67108863,this.words[i]=w;return 0!==carry&&(this.words[i]=carry,this.length++),this},BN.prototype.isZero=function(){return 1===this.length&&0===this.words[0]},BN.prototype.cmpn=function(num){var negative=0>num;if(0!==this.negative&&!negative)return-1;if(0===this.negative&&negative)return 1;this._strip();var res;if(1<this.length)res=1;else{negative&&(num=-num),assert(67108863>=num,"Number is too big");var w=0|this.words[0];res=w===num?0:w<num?-1:1}return 0===this.negative?res:0|-res},BN.prototype.cmp=function(num){if(0!==this.negative&&0===num.negative)return-1;if(0===this.negative&&0!==num.negative)return 1;var res=this.ucmp(num);return 0===this.negative?res:0|-res},BN.prototype.ucmp=function(num){if(this.length>num.length)return 1;if(this.length<num.length)return-1;for(var res=0,i=this.length-1;0<=i;i--){var a=0|this.words[i],b=0|num.words[i];if(a!=b){a<b?res=-1:a>b&&(res=1);break}}return res},BN.prototype.gtn=function(num){return 1===this.cmpn(num)},BN.prototype.gt=function(num){return 1===this.cmp(num)},BN.prototype.gten=function(num){return 0<=this.cmpn(num)},BN.prototype.gte=function(num){return 0<=this.cmp(num)},BN.prototype.ltn=function(num){return-1===this.cmpn(num)},BN.prototype.lt=function(num){return-1===this.cmp(num)},BN.prototype.lten=function(num){return 0>=this.cmpn(num)},BN.prototype.lte=function(num){return 0>=this.cmp(num)},BN.prototype.eqn=function(num){return 0===this.cmpn(num)},BN.prototype.eq=function(num){return 0===this.cmp(num)},BN.red=function(num){return new Red(num)},BN.prototype.toRed=function(ctx){return assert(!this.red,"Already a number in reduction context"),assert(0===this.negative,"red works only with positives"),ctx.convertTo(this)._forceRed(ctx)},BN.prototype.fromRed=function(){return assert(this.red,"fromRed works only with numbers in reduction context"),this.red.convertFrom(this)},BN.prototype._forceRed=function(ctx){return this.red=ctx,this},BN.prototype.forceRed=function(ctx){return assert(!this.red,"Already a number in reduction context"),this._forceRed(ctx)},BN.prototype.redAdd=function(num){return assert(this.red,"redAdd works only with red numbers"),this.red.add(this,num)},BN.prototype.redIAdd=function(num){return assert(this.red,"redIAdd works only with red numbers"),this.red.iadd(this,num)},BN.prototype.redSub=function(num){return assert(this.red,"redSub works only with red numbers"),this.red.sub(this,num)},BN.prototype.redISub=function(num){return assert(this.red,"redISub works only with red numbers"),this.red.isub(this,num)},BN.prototype.redShl=function(num){return assert(this.red,"redShl works only with red numbers"),this.red.shl(this,num)},BN.prototype.redMul=function(num){return assert(this.red,"redMul works only with red numbers"),this.red._verify2(this,num),this.red.mul(this,num)},BN.prototype.redIMul=function(num){return assert(this.red,"redMul works only with red numbers"),this.red._verify2(this,num),this.red.imul(this,num)},BN.prototype.redSqr=function(){return assert(this.red,"redSqr works only with red numbers"),this.red._verify1(this),this.red.sqr(this)},BN.prototype.redISqr=function(){return assert(this.red,"redISqr works only with red numbers"),this.red._verify1(this),this.red.isqr(this)},BN.prototype.redSqrt=function(){return assert(this.red,"redSqrt works only with red numbers"),this.red._verify1(this),this.red.sqrt(this)},BN.prototype.redInvm=function(){return assert(this.red,"redInvm works only with red numbers"),this.red._verify1(this),this.red.invm(this)},BN.prototype.redNeg=function(){return assert(this.red,"redNeg works only with red numbers"),this.red._verify1(this),this.red.neg(this)},BN.prototype.redPow=function(num){return assert(this.red&&!num.red,"redPow(normalNum)"),this.red._verify1(this),this.red.pow(this,num)};var primes={k256:null,p224:null,p192:null,p25519:null};MPrime.prototype._tmp=function(){var tmp=new BN(null);return tmp.words=Array(_Mathceil(this.n/13)),tmp},MPrime.prototype.ireduce=function(num){var r=num,rlen;do this.split(r,this.tmp),r=this.imulK(r),r=r.iadd(this.tmp),rlen=r.bitLength();while(rlen>this.n);var cmp=rlen<this.n?-1:r.ucmp(this.p);return 0===cmp?(r.words[0]=0,r.length=1):0<cmp?r.isub(this.p):void 0===r.strip?r._strip():r.strip(),r},MPrime.prototype.split=function(input,out){input.iushrn(this.n,0,out)},MPrime.prototype.imulK=function(num){return num.imul(this.k)},inherits(K256,MPrime),K256.prototype.split=function(input,output){for(var mask=4194303,outLen=_Mathmin(input.length,9),i=0;i<outLen;i++)output.words[i]=input.words[i];if(output.length=outLen,9>=input.length)return input.words[0]=0,void(input.length=1);var prev=input.words[9];for(output.words[output.length++]=prev&mask,i=10;i<input.length;i++){var next=0|input.words[i];input.words[i-10]=(next&mask)<<4|prev>>>22,prev=next}prev>>>=22,input.words[i-10]=prev,input.length-=0===prev&&10<input.length?10:9},K256.prototype.imulK=function(num){num.words[num.length]=0,num.words[num.length+1]=0,num.length+=2;for(var lo=0,i=0,w;i<num.length;i++)w=0|num.words[i],lo+=977*w,num.words[i]=67108863&lo,lo=64*w+(0|lo/67108864);return 0===num.words[num.length-1]&&(num.length--,0===num.words[num.length-1]&&num.length--),num},inherits(P224,MPrime),inherits(P192,MPrime),inherits(P25519,MPrime),P25519.prototype.imulK=function(num){for(var carry=0,i=0;i<num.length;i++){var hi=19*(0|num.words[i])+carry,lo=67108863&hi;hi>>>=26,num.words[i]=lo,carry=hi}return 0!==carry&&(num.words[num.length++]=carry),num},BN._prime=function prime(name){if(primes[name])return primes[name];var prime;if("k256"===name)prime=new K256;else if("p224"===name)prime=new P224;else if("p192"===name)prime=new P192;else if("p25519"===name)prime=new P25519;else throw new Error("Unknown prime "+name);return primes[name]=prime,prime},Red.prototype._verify1=function(a){assert(0===a.negative,"red works only with positives"),assert(a.red,"red works only with red numbers")},Red.prototype._verify2=function(a,b){assert(0==(a.negative|b.negative),"red works only with positives"),assert(a.red&&a.red===b.red,"red works only with red numbers")},Red.prototype.imod=function(a){return this.prime?this.prime.ireduce(a)._forceRed(this):(move(a,a.umod(this.m)._forceRed(this)),a)},Red.prototype.neg=function(a){return a.isZero()?a.clone():this.m.sub(a)._forceRed(this)},Red.prototype.add=function(a,b){this._verify2(a,b);var res=a.add(b);return 0<=res.cmp(this.m)&&res.isub(this.m),res._forceRed(this)},Red.prototype.iadd=function(a,b){this._verify2(a,b);var res=a.iadd(b);return 0<=res.cmp(this.m)&&res.isub(this.m),res},Red.prototype.sub=function(a,b){this._verify2(a,b);var res=a.sub(b);return 0>res.cmpn(0)&&res.iadd(this.m),res._forceRed(this)},Red.prototype.isub=function(a,b){this._verify2(a,b);var res=a.isub(b);return 0>res.cmpn(0)&&res.iadd(this.m),res},Red.prototype.shl=function(a,num){return this._verify1(a),this.imod(a.ushln(num))},Red.prototype.imul=function(a,b){return this._verify2(a,b),this.imod(a.imul(b))},Red.prototype.mul=function(a,b){return this._verify2(a,b),this.imod(a.mul(b))},Red.prototype.isqr=function(a){return this.imul(a,a.clone())},Red.prototype.sqr=function(a){return this.mul(a,a)},Red.prototype.sqrt=function(a){if(a.isZero())return a.clone();var mod3=this.m.andln(3);if(assert(1==mod3%2),3===mod3){var pow=this.m.add(new BN(1)).iushrn(2);return this.pow(a,pow)}for(var q=this.m.subn(1),s=0;!q.isZero()&&0===q.andln(1);)s++,q.iushrn(1);assert(!q.isZero());var one=new BN(1).toRed(this),nOne=one.redNeg(),lpow=this.m.subn(1).iushrn(1),z=this.m.bitLength();for(z=new BN(2*z*z).toRed(this);0!==this.pow(z,lpow).cmp(nOne);)z.redIAdd(nOne);for(var c=this.pow(z,q),r=this.pow(a,q.addn(1).iushrn(1)),t=this.pow(a,q),m=s;0!==t.cmp(one);){for(var tmp=t,i=0;0!==tmp.cmp(one);i++)tmp=tmp.redSqr();assert(i<m);var b=this.pow(c,new BN(1).iushln(m-i-1));r=r.redMul(b),c=b.redSqr(),t=t.redMul(c),m=i}return r},Red.prototype.invm=function(a){var inv=a._invmp(this.m);return 0===inv.negative?this.imod(inv):(inv.negative=0,this.imod(inv).redNeg())},Red.prototype.pow=function(a,num){if(num.isZero())return new BN(1).toRed(this);if(0===num.cmpn(1))return a.clone();var wnd=Array(16);wnd[0]=new BN(1).toRed(this),wnd[1]=a;for(var i=2;i<wnd.length;i++)wnd[i]=this.mul(wnd[i-1],a);var res=wnd[0],current=0,currentLen=0,start=num.bitLength()%26;for(0===start&&(start=26),i=num.length-1;0<=i;i--){for(var word=num.words[i],j=start-1,bit;0<=j;j--){if(bit=1&word>>j,res!==wnd[0]&&(res=this.sqr(res)),0===bit&&0===current){currentLen=0;continue}current<<=1,current|=bit,currentLen++,(4===currentLen||0===i&&0===j)&&(res=this.mul(res,wnd[current]),currentLen=0,current=0)}start=26}return res},Red.prototype.convertTo=function(num){var r=num.umod(this.m);return r===num?r.clone():r},Red.prototype.convertFrom=function(num){var res=num.clone();return res.red=null,res},BN.mont=function(num){return new Mont(num)},inherits(Mont,Red),Mont.prototype.convertTo=function(num){return this.imod(num.ushln(this.shift))},Mont.prototype.convertFrom=function(num){var r=this.imod(num.mul(this.rinv));return r.red=null,r},Mont.prototype.imul=function(a,b){if(a.isZero()||b.isZero())return a.words[0]=0,a.length=1,a;var t=a.imul(b),c=t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m),u=t.isub(c).iushrn(this.shift),res=u;return 0<=u.cmp(this.m)?res=u.isub(this.m):0>u.cmpn(0)&&(res=u.iadd(this.m)),res._forceRed(this)},Mont.prototype.mul=function(a,b){if(a.isZero()||b.isZero())return new BN(0)._forceRed(this);var t=a.mul(b),c=t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m),u=t.isub(c).iushrn(this.shift),res=u;return 0<=u.cmp(this.m)?res=u.isub(this.m):0>u.cmpn(0)&&(res=u.iadd(this.m)),res._forceRed(this)},Mont.prototype.invm=function(a){var res=this.imod(a._invmp(this.m).mul(this.r2));return res._forceRed(this)}})("undefined"==typeof module||module,this)},{buffer:41}],40:[function(require,module){function Rand(rand){this.rand=rand}var r;if(module.exports=function(len){return r||(r=new Rand(null)),r.generate(len)},module.exports.Rand=Rand,Rand.prototype.generate=function(len){return this._rand(len)},Rand.prototype._rand=function(n){if(this.rand.getBytes)return this.rand.getBytes(n);for(var res=new Uint8Array(n),i=0;i<res.length;i++)res[i]=this.rand.getByte();return res},"object"==typeof self)self.crypto&&self.crypto.getRandomValues?Rand.prototype._rand=function(n){var arr=new Uint8Array(n);return self.crypto.getRandomValues(arr),arr}:self.msCrypto&&self.msCrypto.getRandomValues?Rand.prototype._rand=function(n){var arr=new Uint8Array(n);return self.msCrypto.getRandomValues(arr),arr}:"object"==typeof window&&(Rand.prototype._rand=function(){throw new Error("Not implemented yet")});else try{var crypto=require("crypto");if("function"!=typeof crypto.randomBytes)throw new Error("Not supported");Rand.prototype._rand=function(n){return crypto.randomBytes(n)}}catch(e){}},{crypto:41}],41:[function(){},{}],42:[function(require,module){function asUInt32Array(buf){Buffer.isBuffer(buf)||(buf=Buffer.from(buf));for(var len=0|buf.length/4,out=Array(len),i=0;i<len;i++)out[i]=buf.readUInt32BE(4*i);return out}function scrubVec(v){for(var i=0;i<v.length;v++)v[i]=0}function cryptBlock(M,keySchedule,SUB_MIX,SBOX,nRounds){for(var SUB_MIX0=SUB_MIX[0],SUB_MIX1=SUB_MIX[1],SUB_MIX2=SUB_MIX[2],SUB_MIX3=SUB_MIX[3],s0=M[0]^keySchedule[0],s1=M[1]^keySchedule[1],s2=M[2]^keySchedule[2],s3=M[3]^keySchedule[3],ksRow=4,round=1,t0,t1,t2,t3;round<nRounds;round++)t0=SUB_MIX0[s0>>>24]^SUB_MIX1[255&s1>>>16]^SUB_MIX2[255&s2>>>8]^SUB_MIX3[255&s3]^keySchedule[ksRow++],t1=SUB_MIX0[s1>>>24]^SUB_MIX1[255&s2>>>16]^SUB_MIX2[255&s3>>>8]^SUB_MIX3[255&s0]^keySchedule[ksRow++],t2=SUB_MIX0[s2>>>24]^SUB_MIX1[255&s3>>>16]^SUB_MIX2[255&s0>>>8]^SUB_MIX3[255&s1]^keySchedule[ksRow++],t3=SUB_MIX0[s3>>>24]^SUB_MIX1[255&s0>>>16]^SUB_MIX2[255&s1>>>8]^SUB_MIX3[255&s2]^keySchedule[ksRow++],s0=t0,s1=t1,s2=t2,s3=t3;return t0=(SBOX[s0>>>24]<<24|SBOX[255&s1>>>16]<<16|SBOX[255&s2>>>8]<<8|SBOX[255&s3])^keySchedule[ksRow++],t1=(SBOX[s1>>>24]<<24|SBOX[255&s2>>>16]<<16|SBOX[255&s3>>>8]<<8|SBOX[255&s0])^keySchedule[ksRow++],t2=(SBOX[s2>>>24]<<24|SBOX[255&s3>>>16]<<16|SBOX[255&s0>>>8]<<8|SBOX[255&s1])^keySchedule[ksRow++],t3=(SBOX[s3>>>24]<<24|SBOX[255&s0>>>16]<<16|SBOX[255&s1>>>8]<<8|SBOX[255&s2])^keySchedule[ksRow++],t0>>>=0,t1>>>=0,t2>>>=0,t3>>>=0,[t0,t1,t2,t3]}function AES(key){this._key=asUInt32Array(key),this._reset()}var Buffer=require("safe-buffer").Buffer,RCON=[0,1,2,4,8,16,32,64,128,27,54],G=function(){for(var d=Array(256),j=0;256>j;j++)d[j]=128>j?j<<1:283^j<<1;for(var SBOX=[],INV_SBOX=[],SUB_MIX=[[],[],[],[]],INV_SUB_MIX=[[],[],[],[]],x=0,xi=0,i=0,sx;256>i;++i){sx=xi^xi<<1^xi<<2^xi<<3^xi<<4,sx=99^(sx>>>8^255&sx),SBOX[x]=sx,INV_SBOX[sx]=x;var x2=d[x],x4=d[x2],x8=d[x4],t=257*d[sx]^16843008*sx;SUB_MIX[0][x]=t<<24|t>>>8,SUB_MIX[1][x]=t<<16|t>>>16,SUB_MIX[2][x]=t<<8|t>>>24,SUB_MIX[3][x]=t,t=16843009*x8^65537*x4^257*x2^16843008*x,INV_SUB_MIX[0][sx]=t<<24|t>>>8,INV_SUB_MIX[1][sx]=t<<16|t>>>16,INV_SUB_MIX[2][sx]=t<<8|t>>>24,INV_SUB_MIX[3][sx]=t,0===x?x=xi=1:(x=x2^d[d[d[x8^x2]]],xi^=d[d[xi]])}return{SBOX:SBOX,INV_SBOX:INV_SBOX,SUB_MIX:SUB_MIX,INV_SUB_MIX:INV_SUB_MIX}}();AES.blockSize=16,AES.keySize=32,AES.prototype.blockSize=AES.blockSize,AES.prototype.keySize=AES.keySize,AES.prototype._reset=function(){for(var keyWords=this._key,keySize=keyWords.length,nRounds=keySize+6,ksRows=4*(nRounds+1),keySchedule=[],k=0;k<keySize;k++)keySchedule[k]=keyWords[k];for(k=keySize;k<ksRows;k++){var t=keySchedule[k-1];0==k%keySize?(t=t<<8|t>>>24,t=G.SBOX[t>>>24]<<24|G.SBOX[255&t>>>16]<<16|G.SBOX[255&t>>>8]<<8|G.SBOX[255&t],t^=RCON[0|k/keySize]<<24):6<keySize&&4==k%keySize&&(t=G.SBOX[t>>>24]<<24|G.SBOX[255&t>>>16]<<16|G.SBOX[255&t>>>8]<<8|G.SBOX[255&t]),keySchedule[k]=keySchedule[k-keySize]^t}for(var invKeySchedule=[],ik=0;ik<ksRows;ik++){var ksR=ksRows-ik,tt=keySchedule[ksR-(ik%4?0:4)];invKeySchedule[ik]=4>ik||4>=ksR?tt:G.INV_SUB_MIX[0][G.SBOX[tt>>>24]]^G.INV_SUB_MIX[1][G.SBOX[255&tt>>>16]]^G.INV_SUB_MIX[2][G.SBOX[255&tt>>>8]]^G.INV_SUB_MIX[3][G.SBOX[255&tt]]}this._nRounds=nRounds,this._keySchedule=keySchedule,this._invKeySchedule=invKeySchedule},AES.prototype.encryptBlockRaw=function(M){return M=asUInt32Array(M),cryptBlock(M,this._keySchedule,G.SUB_MIX,G.SBOX,this._nRounds)},AES.prototype.encryptBlock=function(M){var out=this.encryptBlockRaw(M),buf=Buffer.allocUnsafe(16);return buf.writeUInt32BE(out[0],0),buf.writeUInt32BE(out[1],4),buf.writeUInt32BE(out[2],8),buf.writeUInt32BE(out[3],12),buf},AES.prototype.decryptBlock=function(M){M=asUInt32Array(M);var m1=M[1];M[1]=M[3],M[3]=m1;var out=cryptBlock(M,this._invKeySchedule,G.INV_SUB_MIX,G.INV_SBOX,this._nRounds),buf=Buffer.allocUnsafe(16);return buf.writeUInt32BE(out[0],0),buf.writeUInt32BE(out[3],4),buf.writeUInt32BE(out[2],8),buf.writeUInt32BE(out[1],12),buf},AES.prototype.scrub=function(){scrubVec(this._keySchedule),scrubVec(this._invKeySchedule),scrubVec(this._key)},module.exports.AES=AES},{"safe-buffer":234}],43:[function(require,module){function xorTest(a,b){var out=0;a.length!==b.length&&out++;for(var len=_Mathmin(a.length,b.length),i=0;i<len;++i)out+=a[i]^b[i];return out}function calcIv(self,iv,ck){if(12===iv.length)return self._finID=Buffer.concat([iv,Buffer.from([0,0,0,1])]),Buffer.concat([iv,Buffer.from([0,0,0,2])]);var ghash=new GHASH(ck),len=iv.length,toPad=len%16;ghash.update(iv),toPad&&(toPad=16-toPad,ghash.update(Buffer.alloc(toPad,0))),ghash.update(Buffer.alloc(8,0));var tail=Buffer.alloc(8);tail.writeUIntBE(8*len,0,8),ghash.update(tail),self._finID=ghash.state;var out=Buffer.from(self._finID);return incr32(out),out}function StreamCipher(mode,key,iv,decrypt){Transform.call(this);var h=Buffer.alloc(4,0);this._cipher=new aes.AES(key);var ck=this._cipher.encryptBlock(h);this._ghash=new GHASH(ck),iv=calcIv(this,iv,ck),this._prev=Buffer.from(iv),this._cache=Buffer.allocUnsafe(0),this._secCache=Buffer.allocUnsafe(0),this._decrypt=decrypt,this._alen=0,this._len=0,this._mode=mode,this._authTag=null,this._called=!1}var aes=require("./aes"),Buffer=require("safe-buffer").Buffer,Transform=require("cipher-base"),inherits=require("inherits"),GHASH=require("./ghash"),xor=require("buffer-xor"),incr32=require("./incr32");inherits(StreamCipher,Transform),StreamCipher.prototype._update=function(chunk){if(!this._called&&this._alen){var rump=16-this._alen%16;16>rump&&(rump=Buffer.alloc(rump,0),this._ghash.update(rump))}this._called=!0;var out=this._mode.encrypt(this,chunk);return this._decrypt?this._ghash.update(chunk):this._ghash.update(out),this._len+=chunk.length,out},StreamCipher.prototype._final=function(){if(this._decrypt&&!this._authTag)throw new Error("Unsupported state or unable to authenticate data");var tag=xor(this._ghash.final(8*this._alen,8*this._len),this._cipher.encryptBlock(this._finID));if(this._decrypt&&xorTest(tag,this._authTag))throw new Error("Unsupported state or unable to authenticate data");this._authTag=tag,this._cipher.scrub()},StreamCipher.prototype.getAuthTag=function(){if(this._decrypt||!Buffer.isBuffer(this._authTag))throw new Error("Attempting to get auth tag in unsupported state");return this._authTag},StreamCipher.prototype.setAuthTag=function(tag){if(!this._decrypt)throw new Error("Attempting to set auth tag in unsupported state");this._authTag=tag},StreamCipher.prototype.setAAD=function(buf){if(this._called)throw new Error("Attempting to set AAD in unsupported state");this._ghash.update(buf),this._alen+=buf.length},module.exports=StreamCipher},{"./aes":42,"./ghash":47,"./incr32":48,"buffer-xor":74,"cipher-base":79,inherits:145,"safe-buffer":234}],44:[function(require,module,exports){var ciphers=require("./encrypter"),deciphers=require("./decrypter"),modes=require("./modes/list.json");exports.createCipher=exports.Cipher=ciphers.createCipher,exports.createCipheriv=exports.Cipheriv=ciphers.createCipheriv,exports.createDecipher=exports.Decipher=deciphers.createDecipher,exports.createDecipheriv=exports.Decipheriv=deciphers.createDecipheriv,exports.listCiphers=exports.getCiphers=function(){return Object.keys(modes)}},{"./decrypter":45,"./encrypter":46,"./modes/list.json":56}],45:[function(require,module,exports){function Decipher(mode,key,iv){Transform.call(this),this._cache=new Splitter,this._last=void 0,this._cipher=new aes.AES(key),this._prev=Buffer.from(iv),this._mode=mode,this._autopadding=!0}function Splitter(){this.cache=Buffer.allocUnsafe(0)}function unpad(last){var padded=last[15];if(1>padded||16<padded)throw new Error("unable to decrypt data");for(var i=-1;++i<padded;)if(last[i+(16-padded)]!==padded)throw new Error("unable to decrypt data");return 16===padded?void 0:last.slice(0,16-padded)}function createDecipheriv(suite,password,iv){var config=MODES[suite.toLowerCase()];if(!config)throw new TypeError("invalid suite type");if("string"==typeof iv&&(iv=Buffer.from(iv)),"GCM"!==config.mode&&iv.length!==config.iv)throw new TypeError("invalid iv length "+iv.length);if("string"==typeof password&&(password=Buffer.from(password)),password.length!==config.key/8)throw new TypeError("invalid key length "+password.length);return"stream"===config.type?new StreamCipher(config.module,password,iv,!0):"auth"===config.type?new AuthCipher(config.module,password,iv,!0):new Decipher(config.module,password,iv)}var AuthCipher=require("./authCipher"),Buffer=require("safe-buffer").Buffer,MODES=require("./modes"),StreamCipher=require("./streamCipher"),Transform=require("cipher-base"),aes=require("./aes"),ebtk=require("evp_bytestokey"),inherits=require("inherits");inherits(Decipher,Transform),Decipher.prototype._update=function(data){this._cache.add(data);for(var out=[],chunk,thing;chunk=this._cache.get(this._autopadding);)thing=this._mode.decrypt(this,chunk),out.push(thing);return Buffer.concat(out)},Decipher.prototype._final=function(){var chunk=this._cache.flush();if(this._autopadding)return unpad(this._mode.decrypt(this,chunk));if(chunk)throw new Error("data not multiple of block length")},Decipher.prototype.setAutoPadding=function(setTo){return this._autopadding=!!setTo,this},Splitter.prototype.add=function(data){this.cache=Buffer.concat([this.cache,data])},Splitter.prototype.get=function(autoPadding){var out;if(autoPadding){if(16<this.cache.length)return out=this.cache.slice(0,16),this.cache=this.cache.slice(16),out;}else if(16<=this.cache.length)return out=this.cache.slice(0,16),this.cache=this.cache.slice(16),out;return null},Splitter.prototype.flush=function(){if(this.cache.length)return this.cache},exports.createDecipher=function(suite,password){var config=MODES[suite.toLowerCase()];if(!config)throw new TypeError("invalid suite type");var keys=ebtk(password,!1,config.key,config.iv);return createDecipheriv(suite,keys.key,keys.iv)},exports.createDecipheriv=createDecipheriv},{"./aes":42,"./authCipher":43,"./modes":55,"./streamCipher":58,"cipher-base":79,evp_bytestokey:123,inherits:145,"safe-buffer":234}],46:[function(require,module,exports){function Cipher(mode,key,iv){Transform.call(this),this._cache=new Splitter,this._cipher=new aes.AES(key),this._prev=Buffer.from(iv),this._mode=mode,this._autopadding=!0}function Splitter(){this.cache=Buffer.allocUnsafe(0)}function createCipheriv(suite,password,iv){var config=MODES[suite.toLowerCase()];if(!config)throw new TypeError("invalid suite type");if("string"==typeof password&&(password=Buffer.from(password)),password.length!==config.key/8)throw new TypeError("invalid key length "+password.length);if("string"==typeof iv&&(iv=Buffer.from(iv)),"GCM"!==config.mode&&iv.length!==config.iv)throw new TypeError("invalid iv length "+iv.length);return"stream"===config.type?new StreamCipher(config.module,password,iv):"auth"===config.type?new AuthCipher(config.module,password,iv):new Cipher(config.module,password,iv)}var MODES=require("./modes"),AuthCipher=require("./authCipher"),Buffer=require("safe-buffer").Buffer,StreamCipher=require("./streamCipher"),Transform=require("cipher-base"),aes=require("./aes"),ebtk=require("evp_bytestokey"),inherits=require("inherits");inherits(Cipher,Transform),Cipher.prototype._update=function(data){this._cache.add(data);for(var out=[],chunk,thing;chunk=this._cache.get();)thing=this._mode.encrypt(this,chunk),out.push(thing);return Buffer.concat(out)};var PADDING=Buffer.alloc(16,16);Cipher.prototype._final=function(){var chunk=this._cache.flush();if(this._autopadding)return chunk=this._mode.encrypt(this,chunk),this._cipher.scrub(),chunk;if(!chunk.equals(PADDING))throw this._cipher.scrub(),new Error("data not multiple of block length")},Cipher.prototype.setAutoPadding=function(setTo){return this._autopadding=!!setTo,this},Splitter.prototype.add=function(data){this.cache=Buffer.concat([this.cache,data])},Splitter.prototype.get=function(){if(15<this.cache.length){var out=this.cache.slice(0,16);return this.cache=this.cache.slice(16),out}return null},Splitter.prototype.flush=function(){for(var len=16-this.cache.length,padBuff=Buffer.allocUnsafe(len),i=-1;++i<len;)padBuff.writeUInt8(len,i);return Buffer.concat([this.cache,padBuff])},exports.createCipheriv=createCipheriv,exports.createCipher=function(suite,password){var config=MODES[suite.toLowerCase()];if(!config)throw new TypeError("invalid suite type");var keys=ebtk(password,!1,config.key,config.iv);return createCipheriv(suite,keys.key,keys.iv)}},{"./aes":42,"./authCipher":43,"./modes":55,"./streamCipher":58,"cipher-base":79,evp_bytestokey:123,inherits:145,"safe-buffer":234}],47:[function(require,module){function toArray(buf){return[buf.readUInt32BE(0),buf.readUInt32BE(4),buf.readUInt32BE(8),buf.readUInt32BE(12)]}function fromArray(out){var buf=Buffer.allocUnsafe(16);return buf.writeUInt32BE(out[0]>>>0,0),buf.writeUInt32BE(out[1]>>>0,4),buf.writeUInt32BE(out[2]>>>0,8),buf.writeUInt32BE(out[3]>>>0,12),buf}function GHASH(key){this.h=key,this.state=Buffer.alloc(16,0),this.cache=Buffer.allocUnsafe(0)}var Buffer=require("safe-buffer").Buffer,ZEROES=Buffer.alloc(16,0);GHASH.prototype.ghash=function(block){for(var i=-1;++i<block.length;)this.state[i]^=block[i];this._multiply()},GHASH.prototype._multiply=function(){for(var Vi=toArray(this.h),Zi=[0,0,0,0],i=-1,j,xi,lsbVi;128>++i;){for(xi=0!=(this.state[~~(i/8)]&1<<7-i%8),xi&&(Zi[0]^=Vi[0],Zi[1]^=Vi[1],Zi[2]^=Vi[2],Zi[3]^=Vi[3]),lsbVi=0!=(1&Vi[3]),j=3;0<j;j--)Vi[j]=Vi[j]>>>1|(1&Vi[j-1])<<31;Vi[0]>>>=1,lsbVi&&(Vi[0]^=-520093696)}this.state=fromArray(Zi)},GHASH.prototype.update=function(buf){this.cache=Buffer.concat([this.cache,buf]);for(var chunk;16<=this.cache.length;)chunk=this.cache.slice(0,16),this.cache=this.cache.slice(16),this.ghash(chunk)},GHASH.prototype.final=function(abl,bl){return this.cache.length&&this.ghash(Buffer.concat([this.cache,ZEROES],16)),this.ghash(fromArray([0,abl,0,bl])),this.state},module.exports=GHASH},{"safe-buffer":234}],48:[function(require,module){module.exports=function(iv){for(var len=iv.length,item;len--;)if(item=iv.readUInt8(len),255===item)iv.writeUInt8(0,len);else{item++,iv.writeUInt8(item,len);break}}},{}],49:[function(require,module,exports){var xor=require("buffer-xor");exports.encrypt=function(self,block){var data=xor(block,self._prev);return self._prev=self._cipher.encryptBlock(data),self._prev},exports.decrypt=function(self,block){var pad=self._prev;self._prev=block;var out=self._cipher.decryptBlock(block);return xor(out,pad)}},{"buffer-xor":74}],50:[function(require,module,exports){function encryptStart(self,data,decrypt){var len=data.length,out=xor(data,self._cache);return self._cache=self._cache.slice(len),self._prev=Buffer.concat([self._prev,decrypt?data:out]),out}var Buffer=require("safe-buffer").Buffer,xor=require("buffer-xor");exports.encrypt=function(self,data,decrypt){for(var out=Buffer.allocUnsafe(0),len;data.length;)if(0===self._cache.length&&(self._cache=self._cipher.encryptBlock(self._prev),self._prev=Buffer.allocUnsafe(0)),self._cache.length<=data.length)len=self._cache.length,out=Buffer.concat([out,encryptStart(self,data.slice(0,len),decrypt)]),data=data.slice(len);else{out=Buffer.concat([out,encryptStart(self,data,decrypt)]);break}return out}},{"buffer-xor":74,"safe-buffer":234}],51:[function(require,module,exports){function encryptByte(self,byteParam,decrypt){for(var i=-1,out=0,pad,bit,value;++i<8;)pad=self._cipher.encryptBlock(self._prev),bit=byteParam&1<<7-i?128:0,value=pad[0]^bit,out+=(128&value)>>i%8,self._prev=shiftIn(self._prev,decrypt?bit:value);return out}function shiftIn(buffer,value){var len=buffer.length,i=-1,out=Buffer.allocUnsafe(buffer.length);for(buffer=Buffer.concat([buffer,Buffer.from([value])]);++i<len;)out[i]=buffer[i]<<1|buffer[i+1]>>7;return out}var Buffer=require("safe-buffer").Buffer;exports.encrypt=function(self,chunk,decrypt){for(var len=chunk.length,out=Buffer.allocUnsafe(len),i=-1;++i<len;)out[i]=encryptByte(self,chunk[i],decrypt);return out}},{"safe-buffer":234}],52:[function(require,module,exports){function encryptByte(self,byteParam,decrypt){var pad=self._cipher.encryptBlock(self._prev),out=pad[0]^byteParam;return self._prev=Buffer.concat([self._prev.slice(1),Buffer.from([decrypt?byteParam:out])]),out}var Buffer=require("safe-buffer").Buffer;exports.encrypt=function(self,chunk,decrypt){for(var len=chunk.length,out=Buffer.allocUnsafe(len),i=-1;++i<len;)out[i]=encryptByte(self,chunk[i],decrypt);return out}},{"safe-buffer":234}],53:[function(require,module,exports){function getBlock(self){var out=self._cipher.encryptBlockRaw(self._prev);return incr32(self._prev),out}var xor=require("buffer-xor"),Buffer=require("safe-buffer").Buffer,incr32=require("../incr32"),blockSize=16;exports.encrypt=function(self,chunk){var chunkNum=_Mathceil(chunk.length/blockSize),start=self._cache.length;self._cache=Buffer.concat([self._cache,Buffer.allocUnsafe(chunkNum*blockSize)]);for(var i=0;i<chunkNum;i++){var out=getBlock(self),offset=start+i*blockSize;self._cache.writeUInt32BE(out[0],offset+0),self._cache.writeUInt32BE(out[1],offset+4),self._cache.writeUInt32BE(out[2],offset+8),self._cache.writeUInt32BE(out[3],offset+12)}var pad=self._cache.slice(0,chunk.length);return self._cache=self._cache.slice(chunk.length),xor(chunk,pad)}},{"../incr32":48,"buffer-xor":74,"safe-buffer":234}],54:[function(require,module,exports){exports.encrypt=function(self,block){return self._cipher.encryptBlock(block)},exports.decrypt=function(self,block){return self._cipher.decryptBlock(block)}},{}],55:[function(require,module){var modeModules={ECB:require("./ecb"),CBC:require("./cbc"),CFB:require("./cfb"),CFB8:require("./cfb8"),CFB1:require("./cfb1"),OFB:require("./ofb"),CTR:require("./ctr"),GCM:require("./ctr")},modes=require("./list.json");for(var key in modes)modes[key].module=modeModules[modes[key].mode];module.exports=modes},{"./cbc":49,"./cfb":50,"./cfb1":51,"./cfb8":52,"./ctr":53,"./ecb":54,"./list.json":56,"./ofb":57}],56:[function(require,module){module.exports={"aes-128-ecb":{cipher:"AES",key:128,iv:0,mode:"ECB",type:"block"},"aes-192-ecb":{cipher:"AES",key:192,iv:0,mode:"ECB",type:"block"},"aes-256-ecb":{cipher:"AES",key:256,iv:0,mode:"ECB",type:"block"},"aes-128-cbc":{cipher:"AES",key:128,iv:16,mode:"CBC",type:"block"},"aes-192-cbc":{cipher:"AES",key:192,iv:16,mode:"CBC",type:"block"},"aes-256-cbc":{cipher:"AES",key:256,iv:16,mode:"CBC",type:"block"},aes128:{cipher:"AES",key:128,iv:16,mode:"CBC",type:"block"},aes192:{cipher:"AES",key:192,iv:16,mode:"CBC",type:"block"},aes256:{cipher:"AES",key:256,iv:16,mode:"CBC",type:"block"},"aes-128-cfb":{cipher:"AES",key:128,iv:16,mode:"CFB",type:"stream"},"aes-192-cfb":{cipher:"AES",key:192,iv:16,mode:"CFB",type:"stream"},"aes-256-cfb":{cipher:"AES",key:256,iv:16,mode:"CFB",type:"stream"},"aes-128-cfb8":{cipher:"AES",key:128,iv:16,mode:"CFB8",type:"stream"},"aes-192-cfb8":{cipher:"AES",key:192,iv:16,mode:"CFB8",type:"stream"},"aes-256-cfb8":{cipher:"AES",key:256,iv:16,mode:"CFB8",type:"stream"},"aes-128-cfb1":{cipher:"AES",key:128,iv:16,mode:"CFB1",type:"stream"},"aes-192-cfb1":{cipher:"AES",key:192,iv:16,mode:"CFB1",type:"stream"},"aes-256-cfb1":{cipher:"AES",key:256,iv:16,mode:"CFB1",type:"stream"},"aes-128-ofb":{cipher:"AES",key:128,iv:16,mode:"OFB",type:"stream"},"aes-192-ofb":{cipher:"AES",key:192,iv:16,mode:"OFB",type:"stream"},"aes-256-ofb":{cipher:"AES",key:256,iv:16,mode:"OFB",type:"stream"},"aes-128-ctr":{cipher:"AES",key:128,iv:16,mode:"CTR",type:"stream"},"aes-192-ctr":{cipher:"AES",key:192,iv:16,mode:"CTR",type:"stream"},"aes-256-ctr":{cipher:"AES",key:256,iv:16,mode:"CTR",type:"stream"},"aes-128-gcm":{cipher:"AES",key:128,iv:12,mode:"GCM",type:"auth"},"aes-192-gcm":{cipher:"AES",key:192,iv:12,mode:"GCM",type:"auth"},"aes-256-gcm":{cipher:"AES",key:256,iv:12,mode:"GCM",type:"auth"}}},{}],57:[function(require,module,exports){(function(Buffer){(function(){function getBlock(self){return self._prev=self._cipher.encryptBlock(self._prev),self._prev}var xor=require("buffer-xor");exports.encrypt=function(self,chunk){for(;self._cache.length<chunk.length;)self._cache=Buffer.concat([self._cache,getBlock(self)]);var pad=self._cache.slice(0,chunk.length);return self._cache=self._cache.slice(chunk.length),xor(chunk,pad)}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75,"buffer-xor":74}],58:[function(require,module){function StreamCipher(mode,key,iv,decrypt){Transform.call(this),this._cipher=new aes.AES(key),this._prev=Buffer.from(iv),this._cache=Buffer.allocUnsafe(0),this._secCache=Buffer.allocUnsafe(0),this._decrypt=decrypt,this._mode=mode}var aes=require("./aes"),Buffer=require("safe-buffer").Buffer,Transform=require("cipher-base"),inherits=require("inherits");inherits(StreamCipher,Transform),StreamCipher.prototype._update=function(chunk){return this._mode.encrypt(this,chunk,this._decrypt)},StreamCipher.prototype._final=function(){this._cipher.scrub()},module.exports=StreamCipher},{"./aes":42,"cipher-base":79,inherits:145,"safe-buffer":234}],59:[function(require,module,exports){function createCipheriv(suite,key,iv){if(suite=suite.toLowerCase(),aesModes[suite])return aes.createCipheriv(suite,key,iv);if(desModes[suite])return new DES({key:key,iv:iv,mode:suite});throw new TypeError("invalid suite type")}function createDecipheriv(suite,key,iv){if(suite=suite.toLowerCase(),aesModes[suite])return aes.createDecipheriv(suite,key,iv);if(desModes[suite])return new DES({key:key,iv:iv,mode:suite,decrypt:!0});throw new TypeError("invalid suite type")}var DES=require("browserify-des"),aes=require("browserify-aes/browser"),aesModes=require("browserify-aes/modes"),desModes=require("browserify-des/modes"),ebtk=require("evp_bytestokey");exports.createCipher=exports.Cipher=function(suite,password){suite=suite.toLowerCase();var keyLen,ivLen;if(aesModes[suite])keyLen=aesModes[suite].key,ivLen=aesModes[suite].iv;else if(desModes[suite])keyLen=8*desModes[suite].key,ivLen=desModes[suite].iv;else throw new TypeError("invalid suite type");var keys=ebtk(password,!1,keyLen,ivLen);return createCipheriv(suite,keys.key,keys.iv)},exports.createCipheriv=exports.Cipheriv=createCipheriv,exports.createDecipher=exports.Decipher=function(suite,password){suite=suite.toLowerCase();var keyLen,ivLen;if(aesModes[suite])keyLen=aesModes[suite].key,ivLen=aesModes[suite].iv;else if(desModes[suite])keyLen=8*desModes[suite].key,ivLen=desModes[suite].iv;else throw new TypeError("invalid suite type");var keys=ebtk(password,!1,keyLen,ivLen);return createDecipheriv(suite,keys.key,keys.iv)},exports.createDecipheriv=exports.Decipheriv=createDecipheriv,exports.listCiphers=exports.getCiphers=function(){return Object.keys(desModes).concat(aes.getCiphers())}},{"browserify-aes/browser":44,"browserify-aes/modes":55,"browserify-des":60,"browserify-des/modes":61,evp_bytestokey:123}],60:[function(require,module){function DES(opts){CipherBase.call(this);var modeName=opts.mode.toLowerCase(),mode=modes[modeName],type;type=opts.decrypt?"decrypt":"encrypt";var key=opts.key;Buffer.isBuffer(key)||(key=Buffer.from(key)),("des-ede"===modeName||"des-ede-cbc"===modeName)&&(key=Buffer.concat([key,key.slice(0,8)]));var iv=opts.iv;Buffer.isBuffer(iv)||(iv=Buffer.from(iv)),this._des=mode.create({key:key,iv:iv,type:type})}var CipherBase=require("cipher-base"),des=require("des.js"),inherits=require("inherits"),Buffer=require("safe-buffer").Buffer,modes={"des-ede3-cbc":des.CBC.instantiate(des.EDE),"des-ede3":des.EDE,"des-ede-cbc":des.CBC.instantiate(des.EDE),"des-ede":des.EDE,"des-cbc":des.CBC.instantiate(des.DES),"des-ecb":des.DES};modes.des=modes["des-cbc"],modes.des3=modes["des-ede3-cbc"],module.exports=DES,inherits(DES,CipherBase),DES.prototype._update=function(data){return Buffer.from(this._des.update(data))},DES.prototype._final=function(){return Buffer.from(this._des.final())}},{"cipher-base":79,"des.js":92,inherits:145,"safe-buffer":234}],61:[function(require,module,exports){exports["des-ecb"]={key:8,iv:0},exports["des-cbc"]=exports.des={key:8,iv:8},exports["des-ede3-cbc"]=exports.des3={key:24,iv:8},exports["des-ede3"]={key:24,iv:0},exports["des-ede-cbc"]={key:16,iv:8},exports["des-ede"]={key:16,iv:0}},{}],62:[function(require,module){(function(Buffer){(function(){function blind(priv){var r=getr(priv),blinder=r.toRed(BN.mont(priv.modulus)).redPow(new BN(priv.publicExponent)).fromRed();return{blinder:blinder,unblinder:r.invm(priv.modulus)}}function getr(priv){var len=priv.modulus.byteLength(),r;do r=new BN(randomBytes(len));while(0<=r.cmp(priv.modulus)||!r.umod(priv.prime1)||!r.umod(priv.prime2));return r}function crt(msg,priv){var blinds=blind(priv),len=priv.modulus.byteLength(),blinded=new BN(msg).mul(blinds.blinder).umod(priv.modulus),c1=blinded.toRed(BN.mont(priv.prime1)),c2=blinded.toRed(BN.mont(priv.prime2)),qinv=priv.coefficient,p=priv.prime1,q=priv.prime2,m1=c1.redPow(priv.exponent1).fromRed(),m2=c2.redPow(priv.exponent2).fromRed(),h=m1.isub(m2).imul(qinv).umod(p).imul(q);return m2.iadd(h).imul(blinds.unblinder).umod(priv.modulus).toArrayLike(Buffer,"be",len)}var BN=require("bn.js"),randomBytes=require("randombytes");crt.getr=getr,module.exports=crt}).call(this)}).call(this,require("buffer").Buffer)},{"bn.js":39,buffer:75,randombytes:208}],63:[function(require,module){module.exports=require("./browser/algorithms.json")},{"./browser/algorithms.json":64}],64:[function(require,module){module.exports={sha224WithRSAEncryption:{sign:"rsa",hash:"sha224",id:"302d300d06096086480165030402040500041c"},"RSA-SHA224":{sign:"ecdsa/rsa",hash:"sha224",id:"302d300d06096086480165030402040500041c"},sha256WithRSAEncryption:{sign:"rsa",hash:"sha256",id:"3031300d060960864801650304020105000420"},"RSA-SHA256":{sign:"ecdsa/rsa",hash:"sha256",id:"3031300d060960864801650304020105000420"},sha384WithRSAEncryption:{sign:"rsa",hash:"sha384",id:"3041300d060960864801650304020205000430"},"RSA-SHA384":{sign:"ecdsa/rsa",hash:"sha384",id:"3041300d060960864801650304020205000430"},sha512WithRSAEncryption:{sign:"rsa",hash:"sha512",id:"3051300d060960864801650304020305000440"},"RSA-SHA512":{sign:"ecdsa/rsa",hash:"sha512",id:"3051300d060960864801650304020305000440"},"RSA-SHA1":{sign:"rsa",hash:"sha1",id:"3021300906052b0e03021a05000414"},"ecdsa-with-SHA1":{sign:"ecdsa",hash:"sha1",id:""},sha256:{sign:"ecdsa",hash:"sha256",id:""},sha224:{sign:"ecdsa",hash:"sha224",id:""},sha384:{sign:"ecdsa",hash:"sha384",id:""},sha512:{sign:"ecdsa",hash:"sha512",id:""},"DSA-SHA":{sign:"dsa",hash:"sha1",id:""},"DSA-SHA1":{sign:"dsa",hash:"sha1",id:""},DSA:{sign:"dsa",hash:"sha1",id:""},"DSA-WITH-SHA224":{sign:"dsa",hash:"sha224",id:""},"DSA-SHA224":{sign:"dsa",hash:"sha224",id:""},"DSA-WITH-SHA256":{sign:"dsa",hash:"sha256",id:""},"DSA-SHA256":{sign:"dsa",hash:"sha256",id:""},"DSA-WITH-SHA384":{sign:"dsa",hash:"sha384",id:""},"DSA-SHA384":{sign:"dsa",hash:"sha384",id:""},"DSA-WITH-SHA512":{sign:"dsa",hash:"sha512",id:""},"DSA-SHA512":{sign:"dsa",hash:"sha512",id:""},"DSA-RIPEMD160":{sign:"dsa",hash:"rmd160",id:""},ripemd160WithRSA:{sign:"rsa",hash:"rmd160",id:"3021300906052b2403020105000414"},"RSA-RIPEMD160":{sign:"rsa",hash:"rmd160",id:"3021300906052b2403020105000414"},md5WithRSAEncryption:{sign:"rsa",hash:"md5",id:"3020300c06082a864886f70d020505000410"},"RSA-MD5":{sign:"rsa",hash:"md5",id:"3020300c06082a864886f70d020505000410"}}},{}],65:[function(require,module){module.exports={"1.3.132.0.10":"secp256k1","1.3.132.0.33":"p224","1.2.840.10045.3.1.1":"p192","1.2.840.10045.3.1.7":"p256","1.3.132.0.34":"p384","1.3.132.0.35":"p521"}},{}],66:[function(require,module){function Sign(algorithm){stream.Writable.call(this);var data=algorithms[algorithm];if(!data)throw new Error("Unknown message digest");this._hashType=data.hash,this._hash=createHash(data.hash),this._tag=data.id,this._signType=data.sign}function Verify(algorithm){stream.Writable.call(this);var data=algorithms[algorithm];if(!data)throw new Error("Unknown message digest");this._hash=createHash(data.hash),this._tag=data.id,this._signType=data.sign}function createSign(algorithm){return new Sign(algorithm)}function createVerify(algorithm){return new Verify(algorithm)}var Buffer=require("safe-buffer").Buffer,createHash=require("create-hash"),stream=require("readable-stream"),inherits=require("inherits"),sign=require("./sign"),verify=require("./verify"),algorithms=require("./algorithms.json");Object.keys(algorithms).forEach(function(key){algorithms[key].id=Buffer.from(algorithms[key].id,"hex"),algorithms[key.toLowerCase()]=algorithms[key]}),inherits(Sign,stream.Writable),Sign.prototype._write=function(data,_,done){this._hash.update(data),done()},Sign.prototype.update=function(data,enc){return"string"==typeof data&&(data=Buffer.from(data,enc)),this._hash.update(data),this},Sign.prototype.sign=function(key,enc){this.end();var hash=this._hash.digest(),sig=sign(hash,key,this._hashType,this._signType,this._tag);return enc?sig.toString(enc):sig},inherits(Verify,stream.Writable),Verify.prototype._write=function(data,_,done){this._hash.update(data),done()},Verify.prototype.update=function(data,enc){return"string"==typeof data&&(data=Buffer.from(data,enc)),this._hash.update(data),this},Verify.prototype.verify=function(key,sig,enc){"string"==typeof sig&&(sig=Buffer.from(sig,enc)),this.end();var hash=this._hash.digest();return verify(sig,hash,key,this._signType,this._tag)},module.exports={Sign:createSign,Verify:createVerify,createSign:createSign,createVerify:createVerify}},{"./algorithms.json":64,"./sign":67,"./verify":68,"create-hash":84,inherits:145,"readable-stream":227,"safe-buffer":234}],67:[function(require,module){function ecSign(hash,priv){var curveId=curves[priv.curve.join(".")];if(!curveId)throw new Error("unknown curve "+priv.curve.join("."));var curve=new EC(curveId),key=curve.keyFromPrivate(priv.privateKey),out=key.sign(hash);return Buffer.from(out.toDER())}function dsaSign(hash,priv,algo){for(var x=priv.params.priv_key,p=priv.params.p,q=priv.params.q,g=priv.params.g,r=new BN(0),H=bits2int(hash,q).mod(q),s=!1,kv=getKey(x,q,hash,algo),k;!1===s;)k=makeKey(q,kv,algo),r=makeR(g,k,p,q),s=k.invm(q).imul(H.add(x.mul(r))).mod(q),0===s.cmpn(0)&&(s=!1,r=new BN(0));return toDER(r,s)}function toDER(r,s){r=r.toArray(),s=s.toArray(),128&r[0]&&(r=[0].concat(r)),128&s[0]&&(s=[0].concat(s));var total=r.length+s.length+4,res=[48,total,2,r.length];return res=res.concat(r,[2,s.length],s),Buffer.from(res)}function getKey(x,q,hash,algo){if(x=Buffer.from(x.toArray()),x.length<q.byteLength()){var zeros=Buffer.alloc(q.byteLength()-x.length);x=Buffer.concat([zeros,x])}var hlen=hash.length,hbits=bits2octets(hash,q),v=Buffer.alloc(hlen);v.fill(1);var k=Buffer.alloc(hlen);return k=createHmac(algo,k).update(v).update(Buffer.from([0])).update(x).update(hbits).digest(),v=createHmac(algo,k).update(v).digest(),k=createHmac(algo,k).update(v).update(Buffer.from([1])).update(x).update(hbits).digest(),v=createHmac(algo,k).update(v).digest(),{k:k,v:v}}function bits2int(obits,q){var bits=new BN(obits),shift=(obits.length<<3)-q.bitLength();return 0<shift&&bits.ishrn(shift),bits}function bits2octets(bits,q){bits=bits2int(bits,q),bits=bits.mod(q);var out=Buffer.from(bits.toArray());if(out.length<q.byteLength()){var zeros=Buffer.alloc(q.byteLength()-out.length);out=Buffer.concat([zeros,out])}return out}function makeKey(q,kv,algo){var t,k;do{for(t=Buffer.alloc(0);8*t.length<q.bitLength();)kv.v=createHmac(algo,kv.k).update(kv.v).digest(),t=Buffer.concat([t,kv.v]);k=bits2int(t,q),kv.k=createHmac(algo,kv.k).update(kv.v).update(Buffer.from([0])).digest(),kv.v=createHmac(algo,kv.k).update(kv.v).digest()}while(-1!==k.cmp(q));return k}function makeR(g,k,p,q){return g.toRed(BN.mont(p)).redPow(k).fromRed().mod(q)}var Buffer=require("safe-buffer").Buffer,createHmac=require("create-hmac"),crt=require("browserify-rsa"),EC=require("elliptic").ec,BN=require("bn.js"),parseKeys=require("parse-asn1"),curves=require("./curves.json");module.exports=function(hash,key,hashType,signType,tag){var priv=parseKeys(key);if(priv.curve){if("ecdsa"!==signType&&"ecdsa/rsa"!==signType)throw new Error("wrong private key type");return ecSign(hash,priv)}if("dsa"===priv.type){if("dsa"!==signType)throw new Error("wrong private key type");return dsaSign(hash,priv,hashType)}if("rsa"!==signType&&"ecdsa/rsa"!==signType)throw new Error("wrong private key type");hash=Buffer.concat([tag,hash]);for(var len=priv.modulus.byteLength(),pad=[0,1];hash.length+pad.length+1<len;)pad.push(255);pad.push(0);for(var i=-1;++i<hash.length;)pad.push(hash[i]);var out=crt(pad,priv);return out},module.exports.getKey=getKey,module.exports.makeKey=makeKey},{"./curves.json":65,"bn.js":39,"browserify-rsa":62,"create-hmac":86,elliptic:103,"parse-asn1":182,"safe-buffer":234}],68:[function(require,module){function ecVerify(sig,hash,pub){var curveId=curves[pub.data.algorithm.curve.join(".")];if(!curveId)throw new Error("unknown curve "+pub.data.algorithm.curve.join("."));var curve=new EC(curveId),pubkey=pub.data.subjectPrivateKey.data;return curve.verify(hash,sig,pubkey)}function dsaVerify(sig,hash,pub){var p=pub.data.p,q=pub.data.q,g=pub.data.g,y=pub.data.pub_key,unpacked=parseKeys.signature.decode(sig,"der"),s=unpacked.s,r=unpacked.r;checkValue(s,q),checkValue(r,q);var montp=BN.mont(p),w=s.invm(q),v=g.toRed(montp).redPow(new BN(hash).mul(w).mod(q)).fromRed().mul(y.toRed(montp).redPow(r.mul(w).mod(q)).fromRed()).mod(p).mod(q);return 0===v.cmp(r)}function checkValue(b,q){if(0>=b.cmpn(0))throw new Error("invalid sig");if(b.cmp(q)>=q)throw new Error("invalid sig")}var Buffer=require("safe-buffer").Buffer,BN=require("bn.js"),EC=require("elliptic").ec,parseKeys=require("parse-asn1"),curves=require("./curves.json");module.exports=function(sig,hash,key,signType,tag){var pub=parseKeys(key);if("ec"===pub.type){if("ecdsa"!==signType&&"ecdsa/rsa"!==signType)throw new Error("wrong public key type");return ecVerify(sig,hash,pub)}if("dsa"===pub.type){if("dsa"!==signType)throw new Error("wrong public key type");return dsaVerify(sig,hash,pub)}if("rsa"!==signType&&"ecdsa/rsa"!==signType)throw new Error("wrong public key type");hash=Buffer.concat([tag,hash]);for(var len=pub.modulus.byteLength(),pad=[1],padNum=0;hash.length+pad.length+2<len;)pad.push(255),padNum++;pad.push(0);for(var i=-1;++i<hash.length;)pad.push(hash[i]);pad=Buffer.from(pad);var red=BN.mont(pub.modulus);sig=new BN(sig).toRed(red),sig=sig.redPow(new BN(pub.publicExponent)),sig=Buffer.from(sig.fromRed().toArray());var out=8>padNum?1:0;for(len=_Mathmin(sig.length,pad.length),sig.length!==pad.length&&(out=1),i=-1;++i<len;)out|=sig[i]^pad[i];return 0==out}},{"./curves.json":65,"bn.js":39,elliptic:103,"parse-asn1":182,"safe-buffer":234}],69:[function(require,module,exports){function copyProps(src,dst){for(var key in src)dst[key]=src[key]}function SafeBuffer(arg,encodingOrOffset,length){return Buffer(arg,encodingOrOffset,length)}var buffer=require("buffer"),Buffer=buffer.Buffer;Buffer.from&&Buffer.alloc&&Buffer.allocUnsafe&&Buffer.allocUnsafeSlow?module.exports=buffer:(copyProps(buffer,exports),exports.Buffer=SafeBuffer),copyProps(Buffer,SafeBuffer),SafeBuffer.from=function(arg,encodingOrOffset,length){if("number"==typeof arg)throw new TypeError("Argument must not be a number");return Buffer(arg,encodingOrOffset,length)},SafeBuffer.alloc=function(size,fill,encoding){if("number"!=typeof size)throw new TypeError("Argument must be a number");var buf=Buffer(size);return void 0===fill?buf.fill(0):"string"==typeof encoding?buf.fill(fill,encoding):buf.fill(fill),buf},SafeBuffer.allocUnsafe=function(size){if("number"!=typeof size)throw new TypeError("Argument must be a number");return Buffer(size)},SafeBuffer.allocUnsafeSlow=function(size){if("number"!=typeof size)throw new TypeError("Argument must be a number");return buffer.SlowBuffer(size)}},{buffer:75}],70:[function(require,module,exports){"use strict";function _normalizeEncoding(enc){if(!enc)return"utf8";for(var retried;;)switch(enc){case"utf8":case"utf-8":return"utf8";case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return"utf16le";case"latin1":case"binary":return"latin1";case"base64":case"ascii":case"hex":return enc;default:if(retried)return;enc=(""+enc).toLowerCase(),retried=!0;}}function normalizeEncoding(enc){var nenc=_normalizeEncoding(enc);if("string"!=typeof nenc&&(Buffer.isEncoding===isEncoding||!isEncoding(enc)))throw new Error("Unknown encoding: "+enc);return nenc||enc}function StringDecoder(encoding){this.encoding=normalizeEncoding(encoding);var nb;switch(this.encoding){case"utf16le":this.text=utf16Text,this.end=utf16End,nb=4;break;case"utf8":this.fillLast=utf8FillLast,nb=4;break;case"base64":this.text=base64Text,this.end=base64End,nb=3;break;default:return this.write=simpleWrite,void(this.end=simpleEnd);}this.lastNeed=0,this.lastTotal=0,this.lastChar=Buffer.allocUnsafe(nb)}function utf8CheckByte(byte){if(127>=byte)return 0;return 6==byte>>5?2:14==byte>>4?3:30==byte>>3?4:2==byte>>6?-1:-2}function utf8CheckIncomplete(self,buf,i){var j=buf.length-1;if(j<i)return 0;var nb=utf8CheckByte(buf[j]);return 0<=nb?(0<nb&&(self.lastNeed=nb-1),nb):--j<i||-2===nb?0:(nb=utf8CheckByte(buf[j]),0<=nb)?(0<nb&&(self.lastNeed=nb-2),nb):--j<i||-2===nb?0:(nb=utf8CheckByte(buf[j]),0<=nb?(0<nb&&(2===nb?nb=0:self.lastNeed=nb-3),nb):0)}function utf8CheckExtraBytes(self,buf){if(128!=(192&buf[0]))return self.lastNeed=0,"\uFFFD";if(1<self.lastNeed&&1<buf.length){if(128!=(192&buf[1]))return self.lastNeed=1,"\uFFFD";if(2<self.lastNeed&&2<buf.length&&128!=(192&buf[2]))return self.lastNeed=2,"\uFFFD"}}function utf8FillLast(buf){var p=this.lastTotal-this.lastNeed,r=utf8CheckExtraBytes(this,buf,p);return void 0===r?this.lastNeed<=buf.length?(buf.copy(this.lastChar,p,0,this.lastNeed),this.lastChar.toString(this.encoding,0,this.lastTotal)):void(buf.copy(this.lastChar,p,0,buf.length),this.lastNeed-=buf.length):r}function utf16Text(buf,i){if(0==(buf.length-i)%2){var r=buf.toString("utf16le",i);if(r){var c=r.charCodeAt(r.length-1);if(55296<=c&&56319>=c)return this.lastNeed=2,this.lastTotal=4,this.lastChar[0]=buf[buf.length-2],this.lastChar[1]=buf[buf.length-1],r.slice(0,-1)}return r}return this.lastNeed=1,this.lastTotal=2,this.lastChar[0]=buf[buf.length-1],buf.toString("utf16le",i,buf.length-1)}function utf16End(buf){var r=buf&&buf.length?this.write(buf):"";if(this.lastNeed){var end=this.lastTotal-this.lastNeed;return r+this.lastChar.toString("utf16le",0,end)}return r}function base64Text(buf,i){var n=(buf.length-i)%3;return 0==n?buf.toString("base64",i):(this.lastNeed=3-n,this.lastTotal=3,1==n?this.lastChar[0]=buf[buf.length-1]:(this.lastChar[0]=buf[buf.length-2],this.lastChar[1]=buf[buf.length-1]),buf.toString("base64",i,buf.length-n))}function base64End(buf){var r=buf&&buf.length?this.write(buf):"";return this.lastNeed?r+this.lastChar.toString("base64",0,3-this.lastNeed):r}function simpleWrite(buf){return buf.toString(this.encoding)}function simpleEnd(buf){return buf&&buf.length?this.write(buf):""}var Buffer=require("safe-buffer").Buffer,isEncoding=Buffer.isEncoding||function(encoding){switch(encoding=""+encoding,encoding&&encoding.toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":case"raw":return!0;default:return!1;}};exports.StringDecoder=StringDecoder,StringDecoder.prototype.write=function(buf){if(0===buf.length)return"";var r,i;if(this.lastNeed){if(r=this.fillLast(buf),void 0===r)return"";i=this.lastNeed,this.lastNeed=0}else i=0;return i<buf.length?r?r+this.text(buf,i):this.text(buf,i):r||""},StringDecoder.prototype.end=function(buf){var r=buf&&buf.length?this.write(buf):"";return this.lastNeed?r+"\uFFFD":r},StringDecoder.prototype.text=function(buf,i){var total=utf8CheckIncomplete(this,buf,i);if(!this.lastNeed)return buf.toString("utf8",i);this.lastTotal=total;var end=buf.length-(total-this.lastNeed);return buf.copy(this.lastChar,0,end),buf.toString("utf8",i,end)},StringDecoder.prototype.fillLast=function(buf){return this.lastNeed<=buf.length?(buf.copy(this.lastChar,this.lastTotal-this.lastNeed,0,this.lastNeed),this.lastChar.toString(this.encoding,0,this.lastTotal)):void(buf.copy(this.lastChar,this.lastTotal-this.lastNeed,0,buf.length),this.lastNeed-=buf.length)}},{"safe-buffer":69}],71:[function(require,module){(function(Buffer){(function(){module.exports=function(size){if("number"!=typeof size)throw new TypeError("\"size\" argument must be a number");if(0>size)throw new RangeError("\"size\" argument must not be negative");return Buffer.allocUnsafe?Buffer.allocUnsafe(size):new Buffer(size)}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75}],72:[function(require,module){(function(Buffer){(function(){var bufferFill=require("buffer-fill"),allocUnsafe=require("buffer-alloc-unsafe");module.exports=function(size,fill,encoding){if("number"!=typeof size)throw new TypeError("\"size\" argument must be a number");if(0>size)throw new RangeError("\"size\" argument must not be negative");if(Buffer.alloc)return Buffer.alloc(size,fill,encoding);var buffer=allocUnsafe(size);return 0===size?buffer:void 0===fill?bufferFill(buffer,0):("string"!=typeof encoding&&(encoding=void 0),bufferFill(buffer,fill,encoding))}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75,"buffer-alloc-unsafe":71,"buffer-fill":73}],73:[function(require,module){(function(Buffer){(function(){function isSingleByte(val){return 1===val.length&&256>val.charCodeAt(0)}function fillWithNumber(buffer,val,start,end){if(0>start||end>buffer.length)throw new RangeError("Out of range index");return start>>>=0,end=void 0===end?buffer.length:end>>>0,end>start&&buffer.fill(val,start,end),buffer}function fillWithBuffer(buffer,val,start,end){if(0>start||end>buffer.length)throw new RangeError("Out of range index");if(end<=start)return buffer;start>>>=0,end=void 0===end?buffer.length:end>>>0;for(var pos=start,len=val.length;pos<=end-len;)val.copy(buffer,pos),pos+=len;return pos!==end&&val.copy(buffer,pos,0,end-pos),buffer}var hasFullSupport=function(){try{if(!Buffer.isEncoding("latin1"))return!1;var buf=Buffer.alloc?Buffer.alloc(4):new Buffer(4);return buf.fill("ab","ucs2"),"61006200"===buf.toString("hex")}catch(_){return!1}}();module.exports=function(buffer,val,start,end,encoding){if(hasFullSupport)return buffer.fill(val,start,end,encoding);if("number"==typeof val)return fillWithNumber(buffer,val,start,end);if("string"==typeof val){if("string"==typeof start?(encoding=start,start=0,end=buffer.length):"string"==typeof end&&(encoding=end,end=buffer.length),void 0!==encoding&&"string"!=typeof encoding)throw new TypeError("encoding must be a string");if("latin1"===encoding&&(encoding="binary"),"string"==typeof encoding&&!Buffer.isEncoding(encoding))throw new TypeError("Unknown encoding: "+encoding);if(""===val)return fillWithNumber(buffer,0,start,end);if(isSingleByte(val))return fillWithNumber(buffer,val.charCodeAt(0),start,end);val=new Buffer(val,encoding)}return Buffer.isBuffer(val)?fillWithBuffer(buffer,val,start,end):fillWithNumber(buffer,0,start,end)}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75}],74:[function(require,module){(function(Buffer){(function(){module.exports=function(a,b){for(var length=_Mathmin(a.length,b.length),buffer=new Buffer(length),i=0;i<length;++i)buffer[i]=a[i]^b[i];return buffer}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75}],75:[function(require,module,exports){(function(){(function(){/*!
|
|
* The buffer module from node.js, for the browser.
|
|
*
|
|
* @author Feross Aboukhadijeh <https://feross.org>
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|
* @license MIT
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|
*/"use strict";function createBuffer(length){if(2147483647<length)throw new RangeError("The value \""+length+"\" is invalid for option \"size\"");var buf=new Uint8Array(length);return buf.__proto__=Buffer.prototype,buf}function Buffer(arg,encodingOrOffset,length){if("number"==typeof arg){if("string"==typeof encodingOrOffset)throw new TypeError("The \"string\" argument must be of type string. Received type number");return allocUnsafe(arg)}return from(arg,encodingOrOffset,length)}function from(value,encodingOrOffset,length){if("string"==typeof value)return fromString(value,encodingOrOffset);if(ArrayBuffer.isView(value))return fromArrayLike(value);if(null==value)throw TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type "+typeof value);if(isInstance(value,ArrayBuffer)||value&&isInstance(value.buffer,ArrayBuffer))return fromArrayBuffer(value,encodingOrOffset,length);if("number"==typeof value)throw new TypeError("The \"value\" argument must not be of type number. Received type number");var valueOf=value.valueOf&&value.valueOf();if(null!=valueOf&&valueOf!==value)return Buffer.from(valueOf,encodingOrOffset,length);var b=fromObject(value);if(b)return b;if("undefined"!=typeof Symbol&&null!=Symbol.toPrimitive&&"function"==typeof value[Symbol.toPrimitive])return Buffer.from(value[Symbol.toPrimitive]("string"),encodingOrOffset,length);throw new TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type "+typeof value)}function assertSize(size){if("number"!=typeof size)throw new TypeError("\"size\" argument must be of type number");else if(0>size)throw new RangeError("The value \""+size+"\" is invalid for option \"size\"")}function alloc(size,fill,encoding){return assertSize(size),0>=size?createBuffer(size):void 0===fill?createBuffer(size):"string"==typeof encoding?createBuffer(size).fill(fill,encoding):createBuffer(size).fill(fill)}function allocUnsafe(size){return assertSize(size),createBuffer(0>size?0:0|checked(size))}function fromString(string,encoding){if(("string"!=typeof encoding||""===encoding)&&(encoding="utf8"),!Buffer.isEncoding(encoding))throw new TypeError("Unknown encoding: "+encoding);var length=0|byteLength(string,encoding),buf=createBuffer(length),actual=buf.write(string,encoding);return actual!==length&&(buf=buf.slice(0,actual)),buf}function fromArrayLike(array){for(var length=0>array.length?0:0|checked(array.length),buf=createBuffer(length),i=0;i<length;i+=1)buf[i]=255&array[i];return buf}function fromArrayBuffer(array,byteOffset,length){if(0>byteOffset||array.byteLength<byteOffset)throw new RangeError("\"offset\" is outside of buffer bounds");if(array.byteLength<byteOffset+(length||0))throw new RangeError("\"length\" is outside of buffer bounds");var buf;return buf=void 0===byteOffset&&void 0===length?new Uint8Array(array):void 0===length?new Uint8Array(array,byteOffset):new Uint8Array(array,byteOffset,length),buf.__proto__=Buffer.prototype,buf}function fromObject(obj){if(Buffer.isBuffer(obj)){var len=0|checked(obj.length),buf=createBuffer(len);return 0===buf.length?buf:(obj.copy(buf,0,0,len),buf)}return void 0===obj.length?"Buffer"===obj.type&&Array.isArray(obj.data)?fromArrayLike(obj.data):void 0:"number"!=typeof obj.length||numberIsNaN(obj.length)?createBuffer(0):fromArrayLike(obj)}function checked(length){if(length>=2147483647)throw new RangeError("Attempt to allocate Buffer larger than maximum size: 0x"+2147483647 .toString(16)+" bytes");return 0|length}function byteLength(string,encoding){if(Buffer.isBuffer(string))return string.length;if(ArrayBuffer.isView(string)||isInstance(string,ArrayBuffer))return string.byteLength;if("string"!=typeof string)throw new TypeError("The \"string\" argument must be one of type string, Buffer, or ArrayBuffer. Received type "+typeof string);var len=string.length,mustMatch=2<arguments.length&&!0===arguments[2];if(!mustMatch&&0===len)return 0;for(var loweredCase=!1;;)switch(encoding){case"ascii":case"latin1":case"binary":return len;case"utf8":case"utf-8":return utf8ToBytes(string).length;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return 2*len;case"hex":return len>>>1;case"base64":return base64ToBytes(string).length;default:if(loweredCase)return mustMatch?-1:utf8ToBytes(string).length;encoding=(""+encoding).toLowerCase(),loweredCase=!0;}}function slowToString(encoding,start,end){var loweredCase=!1;if((void 0===start||0>start)&&(start=0),start>this.length)return"";if((void 0===end||end>this.length)&&(end=this.length),0>=end)return"";if(end>>>=0,start>>>=0,end<=start)return"";for(encoding||(encoding="utf8");;)switch(encoding){case"hex":return hexSlice(this,start,end);case"utf8":case"utf-8":return utf8Slice(this,start,end);case"ascii":return asciiSlice(this,start,end);case"latin1":case"binary":return latin1Slice(this,start,end);case"base64":return base64Slice(this,start,end);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,start,end);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(encoding+"").toLowerCase(),loweredCase=!0;}}function swap(b,n,m){var i=b[n];b[n]=b[m],b[m]=i}function bidirectionalIndexOf(buffer,val,byteOffset,encoding,dir){if(0===buffer.length)return-1;if("string"==typeof byteOffset?(encoding=byteOffset,byteOffset=0):2147483647<byteOffset?byteOffset=2147483647:-2147483648>byteOffset&&(byteOffset=-2147483648),byteOffset=+byteOffset,numberIsNaN(byteOffset)&&(byteOffset=dir?0:buffer.length-1),0>byteOffset&&(byteOffset=buffer.length+byteOffset),byteOffset>=buffer.length){if(dir)return-1;byteOffset=buffer.length-1}else if(0>byteOffset)if(dir)byteOffset=0;else return-1;if("string"==typeof val&&(val=Buffer.from(val,encoding)),Buffer.isBuffer(val))return 0===val.length?-1:arrayIndexOf(buffer,val,byteOffset,encoding,dir);if("number"==typeof val)return val&=255,"function"==typeof Uint8Array.prototype.indexOf?dir?Uint8Array.prototype.indexOf.call(buffer,val,byteOffset):Uint8Array.prototype.lastIndexOf.call(buffer,val,byteOffset):arrayIndexOf(buffer,[val],byteOffset,encoding,dir);throw new TypeError("val must be string, number or Buffer")}function arrayIndexOf(arr,val,byteOffset,encoding,dir){function read(buf,i){return 1===indexSize?buf[i]:buf.readUInt16BE(i*indexSize)}var indexSize=1,arrLength=arr.length,valLength=val.length;if(void 0!==encoding&&(encoding=(encoding+"").toLowerCase(),"ucs2"===encoding||"ucs-2"===encoding||"utf16le"===encoding||"utf-16le"===encoding)){if(2>arr.length||2>val.length)return-1;indexSize=2,arrLength/=2,valLength/=2,byteOffset/=2}var i;if(dir){var foundIndex=-1;for(i=byteOffset;i<arrLength;i++)if(read(arr,i)!==read(val,-1===foundIndex?0:i-foundIndex))-1!==foundIndex&&(i-=i-foundIndex),foundIndex=-1;else if(-1===foundIndex&&(foundIndex=i),i-foundIndex+1===valLength)return foundIndex*indexSize}else for(byteOffset+valLength>arrLength&&(byteOffset=arrLength-valLength),i=byteOffset;0<=i;i--){for(var found=!0,j=0;j<valLength;j++)if(read(arr,i+j)!==read(val,j)){found=!1;break}if(found)return i}return-1}function hexWrite(buf,string,offset,length){offset=+offset||0;var remaining=buf.length-offset;length?(length=+length,length>remaining&&(length=remaining)):length=remaining;var strLen=string.length;length>strLen/2&&(length=strLen/2);for(var i=0,parsed;i<length;++i){if(parsed=parseInt(string.substr(2*i,2),16),numberIsNaN(parsed))return i;buf[offset+i]=parsed}return i}function utf8Write(buf,string,offset,length){return blitBuffer(utf8ToBytes(string,buf.length-offset),buf,offset,length)}function asciiWrite(buf,string,offset,length){return blitBuffer(asciiToBytes(string),buf,offset,length)}function latin1Write(buf,string,offset,length){return asciiWrite(buf,string,offset,length)}function base64Write(buf,string,offset,length){return blitBuffer(base64ToBytes(string),buf,offset,length)}function ucs2Write(buf,string,offset,length){return blitBuffer(utf16leToBytes(string,buf.length-offset),buf,offset,length)}function base64Slice(buf,start,end){return 0===start&&end===buf.length?base64.fromByteArray(buf):base64.fromByteArray(buf.slice(start,end))}function utf8Slice(buf,start,end){end=_Mathmin(buf.length,end);for(var res=[],i=start;i<end;){var firstByte=buf[i],codePoint=null,bytesPerSequence=239<firstByte?4:223<firstByte?3:191<firstByte?2:1;if(i+bytesPerSequence<=end){var secondByte,thirdByte,fourthByte,tempCodePoint;1===bytesPerSequence?128>firstByte&&(codePoint=firstByte):2===bytesPerSequence?(secondByte=buf[i+1],128==(192&secondByte)&&(tempCodePoint=(31&firstByte)<<6|63&secondByte,127<tempCodePoint&&(codePoint=tempCodePoint))):3===bytesPerSequence?(secondByte=buf[i+1],thirdByte=buf[i+2],128==(192&secondByte)&&128==(192&thirdByte)&&(tempCodePoint=(15&firstByte)<<12|(63&secondByte)<<6|63&thirdByte,2047<tempCodePoint&&(55296>tempCodePoint||57343<tempCodePoint)&&(codePoint=tempCodePoint))):4===bytesPerSequence?(secondByte=buf[i+1],thirdByte=buf[i+2],fourthByte=buf[i+3],128==(192&secondByte)&&128==(192&thirdByte)&&128==(192&fourthByte)&&(tempCodePoint=(15&firstByte)<<18|(63&secondByte)<<12|(63&thirdByte)<<6|63&fourthByte,65535<tempCodePoint&&1114112>tempCodePoint&&(codePoint=tempCodePoint))):void 0}null===codePoint?(codePoint=65533,bytesPerSequence=1):65535<codePoint&&(codePoint-=65536,res.push(55296|1023&codePoint>>>10),codePoint=56320|1023&codePoint),res.push(codePoint),i+=bytesPerSequence}return decodeCodePointsArray(res)}function decodeCodePointsArray(codePoints){var len=codePoints.length;if(len<=4096)return _StringfromCharCode.apply(String,codePoints);for(var res="",i=0;i<len;)res+=_StringfromCharCode.apply(String,codePoints.slice(i,i+=4096));return res}function asciiSlice(buf,start,end){var ret="";end=_Mathmin(buf.length,end);for(var i=start;i<end;++i)ret+=_StringfromCharCode(127&buf[i]);return ret}function latin1Slice(buf,start,end){var ret="";end=_Mathmin(buf.length,end);for(var i=start;i<end;++i)ret+=_StringfromCharCode(buf[i]);return ret}function hexSlice(buf,start,end){var len=buf.length;(!start||0>start)&&(start=0),(!end||0>end||end>len)&&(end=len);for(var out="",i=start;i<end;++i)out+=toHex(buf[i]);return out}function utf16leSlice(buf,start,end){for(var bytes=buf.slice(start,end),res="",i=0;i<bytes.length;i+=2)res+=_StringfromCharCode(bytes[i]+256*bytes[i+1]);return res}function checkOffset(offset,ext,length){if(0!=offset%1||0>offset)throw new RangeError("offset is not uint");if(offset+ext>length)throw new RangeError("Trying to access beyond buffer length")}function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError("\"buffer\" argument must be a Buffer instance");if(value>max||value<min)throw new RangeError("\"value\" argument is out of bounds");if(offset+ext>buf.length)throw new RangeError("Index out of range")}function checkIEEE754(buf,value,offset,ext){if(offset+ext>buf.length)throw new RangeError("Index out of range");if(0>offset)throw new RangeError("Index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){return value=+value,offset>>>=0,noAssert||checkIEEE754(buf,value,offset,4,34028234663852886e22,-34028234663852886e22),ieee754.write(buf,value,offset,littleEndian,23,4),offset+4}function writeDouble(buf,value,offset,littleEndian,noAssert){return value=+value,offset>>>=0,noAssert||checkIEEE754(buf,value,offset,8,17976931348623157e292,-17976931348623157e292),ieee754.write(buf,value,offset,littleEndian,52,8),offset+8}function base64clean(str){if(str=str.split("=")[0],str=str.trim().replace(INVALID_BASE64_RE,""),2>str.length)return"";for(;0!=str.length%4;)str+="=";return str}function toHex(n){return 16>n?"0"+n.toString(16):n.toString(16)}function utf8ToBytes(string,units){units=units||1/0;for(var length=string.length,leadSurrogate=null,bytes=[],i=0,codePoint;i<length;++i){if(codePoint=string.charCodeAt(i),55295<codePoint&&57344>codePoint){if(!leadSurrogate){if(56319<codePoint){-1<(units-=3)&&bytes.push(239,191,189);continue}else if(i+1===length){-1<(units-=3)&&bytes.push(239,191,189);continue}leadSurrogate=codePoint;continue}if(56320>codePoint){-1<(units-=3)&&bytes.push(239,191,189),leadSurrogate=codePoint;continue}codePoint=(leadSurrogate-55296<<10|codePoint-56320)+65536}else leadSurrogate&&-1<(units-=3)&&bytes.push(239,191,189);if(leadSurrogate=null,128>codePoint){if(0>(units-=1))break;bytes.push(codePoint)}else if(2048>codePoint){if(0>(units-=2))break;bytes.push(192|codePoint>>6,128|63&codePoint)}else if(65536>codePoint){if(0>(units-=3))break;bytes.push(224|codePoint>>12,128|63&codePoint>>6,128|63&codePoint)}else if(1114112>codePoint){if(0>(units-=4))break;bytes.push(240|codePoint>>18,128|63&codePoint>>12,128|63&codePoint>>6,128|63&codePoint)}else throw new Error("Invalid code point")}return bytes}function asciiToBytes(str){for(var byteArray=[],i=0;i<str.length;++i)byteArray.push(255&str.charCodeAt(i));return byteArray}function utf16leToBytes(str,units){for(var byteArray=[],i=0,c,hi,lo;i<str.length&&!(0>(units-=2));++i)c=str.charCodeAt(i),hi=c>>8,lo=c%256,byteArray.push(lo),byteArray.push(hi);return byteArray}function base64ToBytes(str){return base64.toByteArray(base64clean(str))}function blitBuffer(src,dst,offset,length){for(var i=0;i<length&&!(i+offset>=dst.length||i>=src.length);++i)dst[i+offset]=src[i];return i}function isInstance(obj,type){return obj instanceof type||null!=obj&&null!=obj.constructor&&null!=obj.constructor.name&&obj.constructor.name===type.name}function numberIsNaN(obj){return obj!==obj}var base64=require("base64-js"),ieee754=require("ieee754");exports.Buffer=Buffer,exports.SlowBuffer=function(length){return+length!=length&&(length=0),Buffer.alloc(+length)},exports.INSPECT_MAX_BYTES=50;exports.kMaxLength=2147483647,Buffer.TYPED_ARRAY_SUPPORT=function(){try{var arr=new Uint8Array(1);return arr.__proto__={__proto__:Uint8Array.prototype,foo:function(){return 42}},42===arr.foo()}catch(e){return!1}}(),Buffer.TYPED_ARRAY_SUPPORT||"undefined"==typeof console||"function"!=typeof console.error||console.error("This browser lacks typed array (Uint8Array) support which is required by `buffer` v5.x. Use `buffer` v4.x if you require old browser support."),Object.defineProperty(Buffer.prototype,"parent",{enumerable:!0,get:function(){return Buffer.isBuffer(this)?this.buffer:void 0}}),Object.defineProperty(Buffer.prototype,"offset",{enumerable:!0,get:function(){return Buffer.isBuffer(this)?this.byteOffset:void 0}}),"undefined"!=typeof Symbol&&null!=Symbol.species&&Buffer[Symbol.species]===Buffer&&Object.defineProperty(Buffer,Symbol.species,{value:null,configurable:!0,enumerable:!1,writable:!1}),Buffer.poolSize=8192,Buffer.from=function(value,encodingOrOffset,length){return from(value,encodingOrOffset,length)},Buffer.prototype.__proto__=Uint8Array.prototype,Buffer.__proto__=Uint8Array,Buffer.alloc=function(size,fill,encoding){return alloc(size,fill,encoding)},Buffer.allocUnsafe=function(size){return allocUnsafe(size)},Buffer.allocUnsafeSlow=function(size){return allocUnsafe(size)},Buffer.isBuffer=function(b){return null!=b&&!0===b._isBuffer&&b!==Buffer.prototype},Buffer.compare=function(a,b){if(isInstance(a,Uint8Array)&&(a=Buffer.from(a,a.offset,a.byteLength)),isInstance(b,Uint8Array)&&(b=Buffer.from(b,b.offset,b.byteLength)),!Buffer.isBuffer(a)||!Buffer.isBuffer(b))throw new TypeError("The \"buf1\", \"buf2\" arguments must be one of type Buffer or Uint8Array");if(a===b)return 0;for(var x=a.length,y=b.length,i=0,len=_Mathmin(x,y);i<len;++i)if(a[i]!==b[i]){x=a[i],y=b[i];break}return x<y?-1:y<x?1:0},Buffer.isEncoding=function(encoding){switch((encoding+"").toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"latin1":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return!0;default:return!1;}},Buffer.concat=function(list,length){if(!Array.isArray(list))throw new TypeError("\"list\" argument must be an Array of Buffers");if(0===list.length)return Buffer.alloc(0);var i;if(length===void 0)for(length=0,i=0;i<list.length;++i)length+=list[i].length;var buffer=Buffer.allocUnsafe(length),pos=0;for(i=0;i<list.length;++i){var buf=list[i];if(isInstance(buf,Uint8Array)&&(buf=Buffer.from(buf)),!Buffer.isBuffer(buf))throw new TypeError("\"list\" argument must be an Array of Buffers");buf.copy(buffer,pos),pos+=buf.length}return buffer},Buffer.byteLength=byteLength,Buffer.prototype._isBuffer=!0,Buffer.prototype.swap16=function(){var len=this.length;if(0!=len%2)throw new RangeError("Buffer size must be a multiple of 16-bits");for(var i=0;i<len;i+=2)swap(this,i,i+1);return this},Buffer.prototype.swap32=function(){var len=this.length;if(0!=len%4)throw new RangeError("Buffer size must be a multiple of 32-bits");for(var i=0;i<len;i+=4)swap(this,i,i+3),swap(this,i+1,i+2);return this},Buffer.prototype.swap64=function(){var len=this.length;if(0!=len%8)throw new RangeError("Buffer size must be a multiple of 64-bits");for(var i=0;i<len;i+=8)swap(this,i,i+7),swap(this,i+1,i+6),swap(this,i+2,i+5),swap(this,i+3,i+4);return this},Buffer.prototype.toString=function(){var length=this.length;return 0===length?"":0===arguments.length?utf8Slice(this,0,length):slowToString.apply(this,arguments)},Buffer.prototype.toLocaleString=Buffer.prototype.toString,Buffer.prototype.equals=function(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");return this===b||0===Buffer.compare(this,b)},Buffer.prototype.inspect=function(){var str="",max=exports.INSPECT_MAX_BYTES;return str=this.toString("hex",0,max).replace(/(.{2})/g,"$1 ").trim(),this.length>max&&(str+=" ... "),"<Buffer "+str+">"},Buffer.prototype.compare=function(target,start,end,thisStart,thisEnd){if(isInstance(target,Uint8Array)&&(target=Buffer.from(target,target.offset,target.byteLength)),!Buffer.isBuffer(target))throw new TypeError("The \"target\" argument must be one of type Buffer or Uint8Array. Received type "+typeof target);if(void 0===start&&(start=0),void 0===end&&(end=target?target.length:0),void 0===thisStart&&(thisStart=0),void 0===thisEnd&&(thisEnd=this.length),0>start||end>target.length||0>thisStart||thisEnd>this.length)throw new RangeError("out of range index");if(thisStart>=thisEnd&&start>=end)return 0;if(thisStart>=thisEnd)return-1;if(start>=end)return 1;if(start>>>=0,end>>>=0,thisStart>>>=0,thisEnd>>>=0,this===target)return 0;for(var x=thisEnd-thisStart,y=end-start,len=_Mathmin(x,y),thisCopy=this.slice(thisStart,thisEnd),targetCopy=target.slice(start,end),i=0;i<len;++i)if(thisCopy[i]!==targetCopy[i]){x=thisCopy[i],y=targetCopy[i];break}return x<y?-1:y<x?1:0},Buffer.prototype.includes=function(val,byteOffset,encoding){return-1!==this.indexOf(val,byteOffset,encoding)},Buffer.prototype.indexOf=function(val,byteOffset,encoding){return bidirectionalIndexOf(this,val,byteOffset,encoding,!0)},Buffer.prototype.lastIndexOf=function(val,byteOffset,encoding){return bidirectionalIndexOf(this,val,byteOffset,encoding,!1)},Buffer.prototype.write=function(string,offset,length,encoding){if(void 0===offset)encoding="utf8",length=this.length,offset=0;else if(void 0===length&&"string"==typeof offset)encoding=offset,length=this.length,offset=0;else if(isFinite(offset))offset>>>=0,isFinite(length)?(length>>>=0,void 0===encoding&&(encoding="utf8")):(encoding=length,length=void 0);else throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported");var remaining=this.length-offset;if((void 0===length||length>remaining)&&(length=remaining),0<string.length&&(0>length||0>offset)||offset>this.length)throw new RangeError("Attempt to write outside buffer bounds");encoding||(encoding="utf8");for(var loweredCase=!1;;)switch(encoding){case"hex":return hexWrite(this,string,offset,length);case"utf8":case"utf-8":return utf8Write(this,string,offset,length);case"ascii":return asciiWrite(this,string,offset,length);case"latin1":case"binary":return latin1Write(this,string,offset,length);case"base64":return base64Write(this,string,offset,length);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return ucs2Write(this,string,offset,length);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(""+encoding).toLowerCase(),loweredCase=!0;}},Buffer.prototype.toJSON=function(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};Buffer.prototype.slice=function(start,end){var len=this.length;start=~~start,end=void 0===end?len:~~end,0>start?(start+=len,0>start&&(start=0)):start>len&&(start=len),0>end?(end+=len,0>end&&(end=0)):end>len&&(end=len),end<start&&(end=start);var newBuf=this.subarray(start,end);return newBuf.__proto__=Buffer.prototype,newBuf},Buffer.prototype.readUIntLE=function(offset,byteLength,noAssert){offset>>>=0,byteLength>>>=0,noAssert||checkOffset(offset,byteLength,this.length);for(var val=this[offset],mul=1,i=0;++i<byteLength&&(mul*=256);)val+=this[offset+i]*mul;return val},Buffer.prototype.readUIntBE=function(offset,byteLength,noAssert){offset>>>=0,byteLength>>>=0,noAssert||checkOffset(offset,byteLength,this.length);for(var val=this[offset+--byteLength],mul=1;0<byteLength&&(mul*=256);)val+=this[offset+--byteLength]*mul;return val},Buffer.prototype.readUInt8=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,1,this.length),this[offset]},Buffer.prototype.readUInt16LE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,2,this.length),this[offset]|this[offset+1]<<8},Buffer.prototype.readUInt16BE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,2,this.length),this[offset]<<8|this[offset+1]},Buffer.prototype.readUInt32LE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,4,this.length),(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+16777216*this[offset+3]},Buffer.prototype.readUInt32BE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,4,this.length),16777216*this[offset]+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])},Buffer.prototype.readIntLE=function(offset,byteLength,noAssert){offset>>>=0,byteLength>>>=0,noAssert||checkOffset(offset,byteLength,this.length);for(var val=this[offset],mul=1,i=0;++i<byteLength&&(mul*=256);)val+=this[offset+i]*mul;return mul*=128,val>=mul&&(val-=_Mathpow(2,8*byteLength)),val},Buffer.prototype.readIntBE=function(offset,byteLength,noAssert){offset>>>=0,byteLength>>>=0,noAssert||checkOffset(offset,byteLength,this.length);for(var i=byteLength,mul=1,val=this[offset+--i];0<i&&(mul*=256);)val+=this[offset+--i]*mul;return mul*=128,val>=mul&&(val-=_Mathpow(2,8*byteLength)),val},Buffer.prototype.readInt8=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,1,this.length),128&this[offset]?-1*(255-this[offset]+1):this[offset]},Buffer.prototype.readInt16LE=function(offset,noAssert){offset>>>=0,noAssert||checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return 32768&val?4294901760|val:val},Buffer.prototype.readInt16BE=function(offset,noAssert){offset>>>=0,noAssert||checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return 32768&val?4294901760|val:val},Buffer.prototype.readInt32LE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,4,this.length),this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24},Buffer.prototype.readInt32BE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,4,this.length),this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]},Buffer.prototype.readFloatLE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,4,this.length),ieee754.read(this,offset,!0,23,4)},Buffer.prototype.readFloatBE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,4,this.length),ieee754.read(this,offset,!1,23,4)},Buffer.prototype.readDoubleLE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,8,this.length),ieee754.read(this,offset,!0,52,8)},Buffer.prototype.readDoubleBE=function(offset,noAssert){return offset>>>=0,noAssert||checkOffset(offset,8,this.length),ieee754.read(this,offset,!1,52,8)},Buffer.prototype.writeUIntLE=function(value,offset,byteLength,noAssert){if(value=+value,offset>>>=0,byteLength>>>=0,!noAssert){var maxBytes=_Mathpow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var mul=1,i=0;for(this[offset]=255&value;++i<byteLength&&(mul*=256);)this[offset+i]=255&value/mul;return offset+byteLength},Buffer.prototype.writeUIntBE=function(value,offset,byteLength,noAssert){if(value=+value,offset>>>=0,byteLength>>>=0,!noAssert){var maxBytes=_Mathpow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var i=byteLength-1,mul=1;for(this[offset+i]=255&value;0<=--i&&(mul*=256);)this[offset+i]=255&value/mul;return offset+byteLength},Buffer.prototype.writeUInt8=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,1,255,0),this[offset]=255&value,offset+1},Buffer.prototype.writeUInt16LE=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,2,65535,0),this[offset]=255&value,this[offset+1]=value>>>8,offset+2},Buffer.prototype.writeUInt16BE=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,2,65535,0),this[offset]=value>>>8,this[offset+1]=255&value,offset+2},Buffer.prototype.writeUInt32LE=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,4,4294967295,0),this[offset+3]=value>>>24,this[offset+2]=value>>>16,this[offset+1]=value>>>8,this[offset]=255&value,offset+4},Buffer.prototype.writeUInt32BE=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,4,4294967295,0),this[offset]=value>>>24,this[offset+1]=value>>>16,this[offset+2]=value>>>8,this[offset+3]=255&value,offset+4},Buffer.prototype.writeIntLE=function(value,offset,byteLength,noAssert){if(value=+value,offset>>>=0,!noAssert){var limit=_Mathpow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=0,mul=1,sub=0;for(this[offset]=255&value;++i<byteLength&&(mul*=256);)0>value&&0===sub&&0!==this[offset+i-1]&&(sub=1),this[offset+i]=255&(value/mul>>0)-sub;return offset+byteLength},Buffer.prototype.writeIntBE=function(value,offset,byteLength,noAssert){if(value=+value,offset>>>=0,!noAssert){var limit=_Mathpow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=byteLength-1,mul=1,sub=0;for(this[offset+i]=255&value;0<=--i&&(mul*=256);)0>value&&0===sub&&0!==this[offset+i+1]&&(sub=1),this[offset+i]=255&(value/mul>>0)-sub;return offset+byteLength},Buffer.prototype.writeInt8=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,1,127,-128),0>value&&(value=255+value+1),this[offset]=255&value,offset+1},Buffer.prototype.writeInt16LE=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,2,32767,-32768),this[offset]=255&value,this[offset+1]=value>>>8,offset+2},Buffer.prototype.writeInt16BE=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,2,32767,-32768),this[offset]=value>>>8,this[offset+1]=255&value,offset+2},Buffer.prototype.writeInt32LE=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,4,2147483647,-2147483648),this[offset]=255&value,this[offset+1]=value>>>8,this[offset+2]=value>>>16,this[offset+3]=value>>>24,offset+4},Buffer.prototype.writeInt32BE=function(value,offset,noAssert){return value=+value,offset>>>=0,noAssert||checkInt(this,value,offset,4,2147483647,-2147483648),0>value&&(value=4294967295+value+1),this[offset]=value>>>24,this[offset+1]=value>>>16,this[offset+2]=value>>>8,this[offset+3]=255&value,offset+4},Buffer.prototype.writeFloatLE=function(value,offset,noAssert){return writeFloat(this,value,offset,!0,noAssert)},Buffer.prototype.writeFloatBE=function(value,offset,noAssert){return writeFloat(this,value,offset,!1,noAssert)},Buffer.prototype.writeDoubleLE=function(value,offset,noAssert){return writeDouble(this,value,offset,!0,noAssert)},Buffer.prototype.writeDoubleBE=function(value,offset,noAssert){return writeDouble(this,value,offset,!1,noAssert)},Buffer.prototype.copy=function(target,targetStart,start,end){if(!Buffer.isBuffer(target))throw new TypeError("argument should be a Buffer");if(start||(start=0),end||0===end||(end=this.length),targetStart>=target.length&&(targetStart=target.length),targetStart||(targetStart=0),0<end&&end<start&&(end=start),end===start)return 0;if(0===target.length||0===this.length)return 0;if(0>targetStart)throw new RangeError("targetStart out of bounds");if(0>start||start>=this.length)throw new RangeError("Index out of range");if(0>end)throw new RangeError("sourceEnd out of bounds");end>this.length&&(end=this.length),target.length-targetStart<end-start&&(end=target.length-targetStart+start);var len=end-start;if(this===target&&"function"==typeof Uint8Array.prototype.copyWithin)this.copyWithin(targetStart,start,end);else if(this===target&&start<targetStart&&targetStart<end)for(var i=len-1;0<=i;--i)target[i+targetStart]=this[i+start];else Uint8Array.prototype.set.call(target,this.subarray(start,end),targetStart);return len},Buffer.prototype.fill=function(val,start,end,encoding){if("string"==typeof val){if("string"==typeof start?(encoding=start,start=0,end=this.length):"string"==typeof end&&(encoding=end,end=this.length),void 0!==encoding&&"string"!=typeof encoding)throw new TypeError("encoding must be a string");if("string"==typeof encoding&&!Buffer.isEncoding(encoding))throw new TypeError("Unknown encoding: "+encoding);if(1===val.length){var code=val.charCodeAt(0);("utf8"===encoding&&128>code||"latin1"===encoding)&&(val=code)}}else"number"==typeof val&&(val&=255);if(0>start||this.length<start||this.length<end)throw new RangeError("Out of range index");if(end<=start)return this;start>>>=0,end=end===void 0?this.length:end>>>0,val||(val=0);var i;if("number"==typeof val)for(i=start;i<end;++i)this[i]=val;else{var bytes=Buffer.isBuffer(val)?val:Buffer.from(val,encoding),len=bytes.length;if(0===len)throw new TypeError("The value \""+val+"\" is invalid for argument \"value\"");for(i=0;i<end-start;++i)this[i+start]=bytes[i%len]}return this};var INVALID_BASE64_RE=/[^+/0-9A-Za-z-_]/g}).call(this)}).call(this,require("buffer").Buffer)},{"base64-js":23,buffer:75,ieee754:143}],76:[function(require,module){module.exports={100:"Continue",101:"Switching Protocols",102:"Processing",200:"OK",201:"Created",202:"Accepted",203:"Non-Authoritative Information",204:"No Content",205:"Reset Content",206:"Partial Content",207:"Multi-Status",208:"Already Reported",226:"IM Used",300:"Multiple Choices",301:"Moved Permanently",302:"Found",303:"See Other",304:"Not Modified",305:"Use Proxy",307:"Temporary Redirect",308:"Permanent Redirect",400:"Bad Request",401:"Unauthorized",402:"Payment Required",403:"Forbidden",404:"Not Found",405:"Method Not Allowed",406:"Not Acceptable",407:"Proxy Authentication Required",408:"Request Timeout",409:"Conflict",410:"Gone",411:"Length Required",412:"Precondition Failed",413:"Payload Too Large",414:"URI Too Long",415:"Unsupported Media Type",416:"Range Not Satisfiable",417:"Expectation Failed",418:"I'm a teapot",421:"Misdirected Request",422:"Unprocessable Entity",423:"Locked",424:"Failed Dependency",425:"Unordered Collection",426:"Upgrade Required",428:"Precondition Required",429:"Too Many Requests",431:"Request Header Fields Too Large",451:"Unavailable For Legal Reasons",500:"Internal Server Error",501:"Not Implemented",502:"Bad Gateway",503:"Service Unavailable",504:"Gateway Timeout",505:"HTTP Version Not Supported",506:"Variant Also Negotiates",507:"Insufficient Storage",508:"Loop Detected",509:"Bandwidth Limit Exceeded",510:"Not Extended",511:"Network Authentication Required"}},{}],77:[function(require,module){/*! cache-chunk-store. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */const LRU=require("lru"),queueMicrotask=require("queue-microtask");module.exports=class{constructor(store,opts){if(this.store=store,this.chunkLength=store.chunkLength,this.inProgressGets=new Map,!this.store||!this.store.get||!this.store.put)throw new Error("First argument must be abstract-chunk-store compliant");this.cache=new LRU(opts)}put(index,buf,cb=()=>{}){return this.cache?void(this.cache.remove(index),this.store.put(index,buf,cb)):queueMicrotask(()=>cb(new Error("CacheStore closed")))}get(index,opts,cb=()=>{}){if("function"==typeof opts)return this.get(index,null,opts);if(!this.cache)return queueMicrotask(()=>cb(new Error("CacheStore closed")));opts||(opts={});let buf=this.cache.get(index);if(buf){const offset=opts.offset||0,len=opts.length||buf.length-offset;return(0!==offset||len!==buf.length)&&(buf=buf.slice(offset,len+offset)),queueMicrotask(()=>cb(null,buf))}let waiters=this.inProgressGets.get(index);const getAlreadyStarted=!!waiters;waiters||(waiters=[],this.inProgressGets.set(index,waiters)),waiters.push({opts,cb}),getAlreadyStarted||this.store.get(index,(err,buf)=>{err||null==this.cache||this.cache.set(index,buf);const inProgressEntry=this.inProgressGets.get(index);this.inProgressGets.delete(index);for(const{opts,cb}of inProgressEntry)if(err)cb(err);else{const offset=opts.offset||0,len=opts.length||buf.length-offset;let slicedBuf=buf;(0!==offset||len!==buf.length)&&(slicedBuf=buf.slice(offset,len+offset)),cb(null,slicedBuf)}})}close(cb=()=>{}){return this.cache?void(this.cache=null,this.store.close(cb)):queueMicrotask(()=>cb(new Error("CacheStore closed")))}destroy(cb=()=>{}){return this.cache?void(this.cache=null,this.store.destroy(cb)):queueMicrotask(()=>cb(new Error("CacheStore closed")))}}},{lru:154,"queue-microtask":205}],78:[function(require,module){const BlockStream=require("block-stream2"),stream=require("readable-stream");class ChunkStoreWriteStream extends stream.Writable{constructor(store,chunkLength,opts={}){if(super(opts),!store||!store.put||!store.get)throw new Error("First argument must be an abstract-chunk-store compliant store");if(chunkLength=+chunkLength,!chunkLength)throw new Error("Second argument must be a chunk length");const zeroPadding=void 0!==opts.zeroPadding&&opts.zeroPadding;this._blockstream=new BlockStream(chunkLength,{...opts,zeroPadding}),this._outstandingPuts=0,this._storeMaxOutstandingPuts=opts.storeMaxOutstandingPuts||16;let index=0;const onData=chunk=>{this.destroyed||(this._outstandingPuts+=1,this._outstandingPuts>=this._storeMaxOutstandingPuts&&this._blockstream.pause(),store.put(index,chunk,err=>err?this.destroy(err):void(this._outstandingPuts-=1,this._outstandingPuts<this._storeMaxOutstandingPuts&&this._blockstream.resume(),0===this._outstandingPuts&&"function"==typeof this._finalCb&&(this._finalCb(null),this._finalCb=null))),index+=1)};this._blockstream.on("data",onData).on("error",err=>{this.destroy(err)})}_write(chunk,encoding,callback){this._blockstream.write(chunk,encoding,callback)}_final(cb){this._blockstream.end(),this._blockstream.once("end",()=>{0===this._outstandingPuts?cb(null):this._finalCb=cb})}destroy(err){this.destroyed||(this.destroyed=!0,err&&this.emit("error",err),this.emit("close"))}}module.exports=ChunkStoreWriteStream},{"block-stream2":38,"readable-stream":227}],79:[function(require,module){function CipherBase(hashMode){Transform.call(this),this.hashMode="string"==typeof hashMode,this.hashMode?this[hashMode]=this._finalOrDigest:this.final=this._finalOrDigest,this._final&&(this.__final=this._final,this._final=null),this._decoder=null,this._encoding=null}var Buffer=require("safe-buffer").Buffer,Transform=require("stream").Transform,StringDecoder=require("string_decoder").StringDecoder,inherits=require("inherits");inherits(CipherBase,Transform),CipherBase.prototype.update=function(data,inputEnc,outputEnc){"string"==typeof data&&(data=Buffer.from(data,inputEnc));var outData=this._update(data);return this.hashMode?this:(outputEnc&&(outData=this._toString(outData,outputEnc)),outData)},CipherBase.prototype.setAutoPadding=function(){},CipherBase.prototype.getAuthTag=function(){throw new Error("trying to get auth tag in unsupported state")},CipherBase.prototype.setAuthTag=function(){throw new Error("trying to set auth tag in unsupported state")},CipherBase.prototype.setAAD=function(){throw new Error("trying to set aad in unsupported state")},CipherBase.prototype._transform=function(data,_,next){var err;try{this.hashMode?this._update(data):this.push(this._update(data))}catch(e){err=e}finally{next(err)}},CipherBase.prototype._flush=function(done){var err;try{this.push(this.__final())}catch(e){err=e}done(err)},CipherBase.prototype._finalOrDigest=function(outputEnc){var outData=this.__final()||Buffer.alloc(0);return outputEnc&&(outData=this._toString(outData,outputEnc,!0)),outData},CipherBase.prototype._toString=function(value,enc,fin){if(this._decoder||(this._decoder=new StringDecoder(enc),this._encoding=enc),this._encoding!==enc)throw new Error("can't switch encodings");var out=this._decoder.write(value);return fin&&(out+=this._decoder.end()),out},module.exports=CipherBase},{inherits:145,"safe-buffer":234,stream:255,string_decoder:70}],80:[function(require,module){(function(Buffer){(function(){var clone=function(){"use strict";function _instanceof(obj,type){return null!=type&&obj instanceof type}function clone(parent,circular,depth,prototype,includeNonEnumerable){function _clone(parent,depth){if(null===parent)return null;if(0===depth)return parent;var child,proto;if("object"!=typeof parent)return parent;if(_instanceof(parent,nativeMap))child=new nativeMap;else if(_instanceof(parent,nativeSet))child=new nativeSet;else if(_instanceof(parent,nativePromise))child=new nativePromise(function(resolve,reject){parent.then(function(value){resolve(_clone(value,depth-1))},function(err){reject(_clone(err,depth-1))})});else if(clone.__isArray(parent))child=[];else if(clone.__isRegExp(parent))child=new RegExp(parent.source,__getRegExpFlags(parent)),parent.lastIndex&&(child.lastIndex=parent.lastIndex);else if(clone.__isDate(parent))child=new Date(parent.getTime());else{if(useBuffer&&Buffer.isBuffer(parent))return child=Buffer.allocUnsafe?Buffer.allocUnsafe(parent.length):new Buffer(parent.length),parent.copy(child),child;_instanceof(parent,Error)?child=Object.create(parent):"undefined"==typeof prototype?(proto=Object.getPrototypeOf(parent),child=Object.create(proto)):(child=Object.create(prototype),proto=prototype)}if(circular){var index=allParents.indexOf(parent);if(-1!=index)return allChildren[index];allParents.push(parent),allChildren.push(child)}for(var i in _instanceof(parent,nativeMap)&&parent.forEach(function(value,key){var keyChild=_clone(key,depth-1),valueChild=_clone(value,depth-1);child.set(keyChild,valueChild)}),_instanceof(parent,nativeSet)&&parent.forEach(function(value){var entryChild=_clone(value,depth-1);child.add(entryChild)}),parent){var attrs;(proto&&(attrs=Object.getOwnPropertyDescriptor(proto,i)),!(attrs&&null==attrs.set))&&(child[i]=_clone(parent[i],depth-1))}if(Object.getOwnPropertySymbols)for(var symbols=Object.getOwnPropertySymbols(parent),i=0;i<symbols.length;i++){var symbol=symbols[i],descriptor=Object.getOwnPropertyDescriptor(parent,symbol);(!descriptor||descriptor.enumerable||includeNonEnumerable)&&(child[symbol]=_clone(parent[symbol],depth-1),descriptor.enumerable||Object.defineProperty(child,symbol,{enumerable:!1}))}if(includeNonEnumerable)for(var allPropertyNames=Object.getOwnPropertyNames(parent),i=0;i<allPropertyNames.length;i++){var propertyName=allPropertyNames[i],descriptor=Object.getOwnPropertyDescriptor(parent,propertyName);descriptor&&descriptor.enumerable||(child[propertyName]=_clone(parent[propertyName],depth-1),Object.defineProperty(child,propertyName,{enumerable:!1}))}return child}"object"==typeof circular&&(depth=circular.depth,prototype=circular.prototype,includeNonEnumerable=circular.includeNonEnumerable,circular=circular.circular);var allParents=[],allChildren=[],useBuffer="undefined"!=typeof Buffer;return"undefined"==typeof circular&&(circular=!0),"undefined"==typeof depth&&(depth=1/0),_clone(parent,depth)}function __objToStr(o){return Object.prototype.toString.call(o)}function __getRegExpFlags(re){var flags="";return re.global&&(flags+="g"),re.ignoreCase&&(flags+="i"),re.multiline&&(flags+="m"),flags}var nativeMap;try{nativeMap=Map}catch(_){nativeMap=function(){}}var nativeSet;try{nativeSet=Set}catch(_){nativeSet=function(){}}var nativePromise;try{nativePromise=Promise}catch(_){nativePromise=function(){}}return clone.clonePrototype=function(parent){if(null===parent)return null;var c=function(){};return c.prototype=parent,new c},clone.__objToStr=__objToStr,clone.__isDate=function(o){return"object"==typeof o&&"[object Date]"===__objToStr(o)},clone.__isArray=function(o){return"object"==typeof o&&"[object Array]"===__objToStr(o)},clone.__isRegExp=function(o){return"object"==typeof o&&"[object RegExp]"===__objToStr(o)},clone.__getRegExpFlags=__getRegExpFlags,clone}();"object"==typeof module&&module.exports&&(module.exports=clone)}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75}],81:[function(require,module){module.exports=function cpus(){for(var num=navigator.hardwareConcurrency||1,cpus=[],i=0;i<num;i++)cpus.push({model:"",speed:0,times:{user:0,nice:0,sys:0,idle:0,irq:0}});return cpus}},{}],82:[function(require,module){(function(Buffer){(function(){function ECDH(curve){this.curveType=aliases[curve],this.curveType||(this.curveType={name:curve}),this.curve=new elliptic.ec(this.curveType.name),this.keys=void 0}function formatReturnValue(bn,enc,len){Array.isArray(bn)||(bn=bn.toArray());var buf=new Buffer(bn);if(len&&buf.length<len){var zeros=new Buffer(len-buf.length);zeros.fill(0),buf=Buffer.concat([zeros,buf])}return enc?buf.toString(enc):buf}var elliptic=require("elliptic"),BN=require("bn.js");module.exports=function(curve){return new ECDH(curve)};var aliases={secp256k1:{name:"secp256k1",byteLength:32},secp224r1:{name:"p224",byteLength:28},prime256v1:{name:"p256",byteLength:32},prime192v1:{name:"p192",byteLength:24},ed25519:{name:"ed25519",byteLength:32},secp384r1:{name:"p384",byteLength:48},secp521r1:{name:"p521",byteLength:66}};aliases.p224=aliases.secp224r1,aliases.p256=aliases.secp256r1=aliases.prime256v1,aliases.p192=aliases.secp192r1=aliases.prime192v1,aliases.p384=aliases.secp384r1,aliases.p521=aliases.secp521r1,ECDH.prototype.generateKeys=function(enc,format){return this.keys=this.curve.genKeyPair(),this.getPublicKey(enc,format)},ECDH.prototype.computeSecret=function(other,inenc,enc){inenc=inenc||"utf8",Buffer.isBuffer(other)||(other=new Buffer(other,inenc));var otherPub=this.curve.keyFromPublic(other).getPublic(),out=otherPub.mul(this.keys.getPrivate()).getX();return formatReturnValue(out,enc,this.curveType.byteLength)},ECDH.prototype.getPublicKey=function(enc,format){var key=this.keys.getPublic("compressed"===format,!0);return"hybrid"===format&&(key[key.length-1]%2?key[0]=7:key[0]=6),formatReturnValue(key,enc)},ECDH.prototype.getPrivateKey=function(enc){return formatReturnValue(this.keys.getPrivate(),enc)},ECDH.prototype.setPublicKey=function(pub,enc){return enc=enc||"utf8",Buffer.isBuffer(pub)||(pub=new Buffer(pub,enc)),this.keys._importPublic(pub),this},ECDH.prototype.setPrivateKey=function(priv,enc){enc=enc||"utf8",Buffer.isBuffer(priv)||(priv=new Buffer(priv,enc));var _priv=new BN(priv);return _priv=_priv.toString(16),this.keys=this.curve.genKeyPair(),this.keys._importPrivate(_priv),this}}).call(this)}).call(this,require("buffer").Buffer)},{"bn.js":83,buffer:75,elliptic:103}],83:[function(require,module,exports){arguments[4][22][0].apply(exports,arguments)},{buffer:41,dup:22}],84:[function(require,module){"use strict";function Hash(hash){Base.call(this,"digest"),this._hash=hash}var inherits=require("inherits"),MD5=require("md5.js"),RIPEMD160=require("ripemd160"),sha=require("sha.js"),Base=require("cipher-base");inherits(Hash,Base),Hash.prototype._update=function(data){this._hash.update(data)},Hash.prototype._final=function(){return this._hash.digest()},module.exports=function(alg){return alg=alg.toLowerCase(),"md5"===alg?new MD5:"rmd160"===alg||"ripemd160"===alg?new RIPEMD160:new Hash(sha(alg))}},{"cipher-base":79,inherits:145,"md5.js":157,ripemd160:230,"sha.js":237}],85:[function(require,module){var MD5=require("md5.js");module.exports=function(buffer){return new MD5().update(buffer).digest()}},{"md5.js":157}],86:[function(require,module){"use strict";function Hmac(alg,key){Base.call(this,"digest"),"string"==typeof key&&(key=Buffer.from(key));var blocksize="sha512"===alg||"sha384"===alg?128:64;if(this._alg=alg,this._key=key,key.length>blocksize){var hash="rmd160"===alg?new RIPEMD160:sha(alg);key=hash.update(key).digest()}else key.length<blocksize&&(key=Buffer.concat([key,ZEROS],blocksize));for(var ipad=this._ipad=Buffer.allocUnsafe(blocksize),opad=this._opad=Buffer.allocUnsafe(blocksize),i=0;i<blocksize;i++)ipad[i]=54^key[i],opad[i]=92^key[i];this._hash="rmd160"===alg?new RIPEMD160:sha(alg),this._hash.update(ipad)}var inherits=require("inherits"),Legacy=require("./legacy"),Base=require("cipher-base"),Buffer=require("safe-buffer").Buffer,md5=require("create-hash/md5"),RIPEMD160=require("ripemd160"),sha=require("sha.js"),ZEROS=Buffer.alloc(128);inherits(Hmac,Base),Hmac.prototype._update=function(data){this._hash.update(data)},Hmac.prototype._final=function(){var h=this._hash.digest(),hash="rmd160"===this._alg?new RIPEMD160:sha(this._alg);return hash.update(this._opad).update(h).digest()},module.exports=function(alg,key){return alg=alg.toLowerCase(),"rmd160"===alg||"ripemd160"===alg?new Hmac("rmd160",key):"md5"===alg?new Legacy(md5,key):new Hmac(alg,key)}},{"./legacy":87,"cipher-base":79,"create-hash/md5":85,inherits:145,ripemd160:230,"safe-buffer":234,"sha.js":237}],87:[function(require,module){"use strict";function Hmac(alg,key){Base.call(this,"digest"),"string"==typeof key&&(key=Buffer.from(key)),this._alg=alg,this._key=key,key.length>64?key=alg(key):key.length<64&&(key=Buffer.concat([key,ZEROS],64));for(var ipad=this._ipad=Buffer.allocUnsafe(64),opad=this._opad=Buffer.allocUnsafe(64),i=0;i<64;i++)ipad[i]=54^key[i],opad[i]=92^key[i];this._hash=[ipad]}var inherits=require("inherits"),Buffer=require("safe-buffer").Buffer,Base=require("cipher-base"),ZEROS=Buffer.alloc(128);inherits(Hmac,Base),Hmac.prototype._update=function(data){this._hash.push(data)},Hmac.prototype._final=function(){var h=this._alg(Buffer.concat(this._hash));return this._alg(Buffer.concat([this._opad,h]))},module.exports=Hmac},{"cipher-base":79,inherits:145,"safe-buffer":234}],88:[function(require,module){(function(Buffer){(function(){function _parseInput(input,opts,cb){function processInput(){parallel(input.map(item=>cb=>{const file={};if(isBlob(item))file.getStream=getBlobStream(item),file.length=item.size;else if(Buffer.isBuffer(item))file.getStream=getBufferStream(item),file.length=item.length;else if(isReadable(item))file.getStream=getStreamStream(item,file),file.length=0;else{if("string"==typeof item){if("function"!=typeof getFiles)throw new Error("filesystem paths do not work in the browser");const keepRoot=1<numPaths||isSingleFileTorrent;return void getFiles(item,keepRoot,cb)}throw new Error("invalid input type")}file.path=item.path,cb(null,file)}),(err,files)=>err?cb(err):void(files=files.flat(),cb(null,files,isSingleFileTorrent)))}if(isFileList(input)&&(input=Array.from(input)),Array.isArray(input)||(input=[input]),0===input.length)throw new Error("invalid input type");input.forEach(item=>{if(null==item)throw new Error(`invalid input type: ${item}`)}),input=input.map(item=>isBlob(item)&&"string"==typeof item.path&&"function"==typeof getFiles?item.path:item),1!==input.length||"string"==typeof input[0]||input[0].name||(input[0].name=opts.name);let commonPrefix=null;input.forEach((item,i)=>{if("string"==typeof item)return;let path=item.fullPath||item.name;path||(path=`Unknown File ${i+1}`,item.unknownName=!0),item.path=path.split("/"),item.path[0]||item.path.shift(),2>item.path.length?commonPrefix=null:0===i&&1<input.length?commonPrefix=item.path[0]:item.path[0]!==commonPrefix&&(commonPrefix=null)});const filterJunkFiles=void 0===opts.filterJunkFiles||opts.filterJunkFiles;filterJunkFiles&&(input=input.filter(item=>"string"==typeof item||!isJunkPath(item.path))),commonPrefix&&input.forEach(item=>{const pathless=(Buffer.isBuffer(item)||isReadable(item))&&!item.path;"string"==typeof item||pathless||item.path.shift()}),!opts.name&&commonPrefix&&(opts.name=commonPrefix),opts.name||input.some(item=>"string"==typeof item?(opts.name=corePath.basename(item),!0):!item.unknownName&&(opts.name=item.path[item.path.length-1],!0)),opts.name||(opts.name=`Unnamed Torrent ${Date.now()}`);const numPaths=input.reduce((sum,item)=>sum+ +("string"==typeof item),0);let isSingleFileTorrent=1===input.length;if(1===input.length&&"string"==typeof input[0]){if("function"!=typeof getFiles)throw new Error("filesystem paths do not work in the browser");isFile(input[0],(err,pathIsFile)=>err?cb(err):void(isSingleFileTorrent=pathIsFile,processInput()))}else queueMicrotask(processInput)}function getPieceList(files,pieceLength,estimatedTorrentLength,opts,cb){function onData(chunk){length+=chunk.length;const i=pieceNum;sha1(chunk,hash=>{pieces[i]=hash,remainingHashes-=1,remainingHashes<MAX_OUTSTANDING_HASHES&&blockstream.resume(),hashedLength+=chunk.length,opts.onProgress&&opts.onProgress(hashedLength,estimatedTorrentLength),maybeDone()}),remainingHashes+=1,remainingHashes>=MAX_OUTSTANDING_HASHES&&blockstream.pause(),pieceNum+=1}function onEnd(){ended=!0,maybeDone()}function onError(err){cleanup(),cb(err)}function cleanup(){multistream.removeListener("error",onError),blockstream.removeListener("data",onData),blockstream.removeListener("end",onEnd),blockstream.removeListener("error",onError)}function maybeDone(){ended&&0===remainingHashes&&(cleanup(),cb(null,Buffer.from(pieces.join(""),"hex"),length))}cb=once(cb);const pieces=[];let length=0,hashedLength=0;const streams=files.map(file=>file.getStream);let remainingHashes=0,pieceNum=0,ended=!1;const multistream=new MultiStream(streams),blockstream=new BlockStream(pieceLength,{zeroPadding:!1});multistream.on("error",onError),multistream.pipe(blockstream).on("data",onData).on("end",onEnd).on("error",onError)}function onFiles(files,opts,cb){let announceList=opts.announceList;announceList||("string"==typeof opts.announce?announceList=[[opts.announce]]:Array.isArray(opts.announce)&&(announceList=opts.announce.map(u=>[u]))),announceList||(announceList=[]),globalThis.WEBTORRENT_ANNOUNCE&&("string"==typeof globalThis.WEBTORRENT_ANNOUNCE?announceList.push([[globalThis.WEBTORRENT_ANNOUNCE]]):Array.isArray(globalThis.WEBTORRENT_ANNOUNCE)&&(announceList=announceList.concat(globalThis.WEBTORRENT_ANNOUNCE.map(u=>[u])))),opts.announce===void 0&&opts.announceList===void 0&&(announceList=announceList.concat(module.exports.announceList)),"string"==typeof opts.urlList&&(opts.urlList=[opts.urlList]);const torrent={info:{name:opts.name},"creation date":_Mathceil((+opts.creationDate||Date.now())/1e3),encoding:"UTF-8"};0!==announceList.length&&(torrent.announce=announceList[0][0],torrent["announce-list"]=announceList),opts.comment!==void 0&&(torrent.comment=opts.comment),opts.createdBy!==void 0&&(torrent["created by"]=opts.createdBy),opts.private!==void 0&&(torrent.info.private=+opts.private),opts.info!==void 0&&Object.assign(torrent.info,opts.info),opts.sslCert!==void 0&&(torrent.info["ssl-cert"]=opts.sslCert),opts.urlList!==void 0&&(torrent["url-list"]=opts.urlList);const estimatedTorrentLength=files.reduce(sumLength,0),pieceLength=opts.pieceLength||calcPieceLength(estimatedTorrentLength);torrent.info["piece length"]=pieceLength,getPieceList(files,pieceLength,estimatedTorrentLength,opts,(err,pieces,torrentLength)=>err?cb(err):void(torrent.info.pieces=pieces,files.forEach(file=>{delete file.getStream}),opts.singleFileTorrent?torrent.info.length=torrentLength:torrent.info.files=files,cb(null,bencode.encode(torrent))))}function isJunkPath(path){const filename=path[path.length-1];return"."===filename[0]&&junk.is(filename)}function sumLength(sum,file){return sum+file.length}function isBlob(obj){return"undefined"!=typeof Blob&&obj instanceof Blob}function isFileList(obj){return"undefined"!=typeof FileList&&obj instanceof FileList}function isReadable(obj){return"object"==typeof obj&&null!=obj&&"function"==typeof obj.pipe}function getBlobStream(file){return()=>new FileReadStream(file)}function getBufferStream(buffer){return()=>{const s=new stream.PassThrough;return s.end(buffer),s}}function getStreamStream(readable,file){return()=>{const counter=new stream.Transform;return counter._transform=function(buf,enc,done){file.length+=buf.length,this.push(buf),done()},readable.pipe(counter),counter}}/*! create-torrent. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const bencode=require("bencode"),BlockStream=require("block-stream2"),calcPieceLength=require("piece-length"),corePath=require("path"),FileReadStream=require("filestream/read"),isFile=require("is-file"),junk=require("junk"),MultiStream=require("multistream"),once=require("once"),parallel=require("run-parallel"),queueMicrotask=require("queue-microtask"),sha1=require("simple-sha1"),stream=require("readable-stream"),getFiles=require("./get-files"),MAX_OUTSTANDING_HASHES=5;module.exports=function(input,opts,cb){"function"==typeof opts&&([opts,cb]=[cb,opts]),opts=opts?Object.assign({},opts):{},_parseInput(input,opts,(err,files,singleFileTorrent)=>err?cb(err):void(opts.singleFileTorrent=singleFileTorrent,onFiles(files,opts,cb)))},module.exports.parseInput=function(input,opts,cb){"function"==typeof opts&&([opts,cb]=[cb,opts]),opts=opts?Object.assign({},opts):{},_parseInput(input,opts,cb)},module.exports.announceList=[["udp://tracker.leechers-paradise.org:6969"],["udp://tracker.coppersurfer.tk:6969"],["udp://tracker.opentrackr.org:1337"],["udp://explodie.org:6969"],["udp://tracker.empire-js.us:1337"],["wss://tracker.btorrent.xyz"],["wss://tracker.openwebtorrent.com"]],module.exports.isJunkPath=isJunkPath}).call(this)}).call(this,require("buffer").Buffer)},{"./get-files":41,bencode:27,"block-stream2":38,buffer:75,"filestream/read":126,"is-file":41,junk:149,multistream:175,once:177,path:184,"piece-length":191,"queue-microtask":205,"readable-stream":227,"run-parallel":232,"simple-sha1":247}],89:[function(require,module,exports){"use strict";exports.randomBytes=exports.rng=exports.pseudoRandomBytes=exports.prng=require("randombytes"),exports.createHash=exports.Hash=require("create-hash"),exports.createHmac=exports.Hmac=require("create-hmac");var algos=require("browserify-sign/algos"),algoKeys=Object.keys(algos),hashes=["sha1","sha224","sha256","sha384","sha512","md5","rmd160"].concat(algoKeys);exports.getHashes=function(){return hashes};var p=require("pbkdf2");exports.pbkdf2=p.pbkdf2,exports.pbkdf2Sync=p.pbkdf2Sync;var aes=require("browserify-cipher");exports.Cipher=aes.Cipher,exports.createCipher=aes.createCipher,exports.Cipheriv=aes.Cipheriv,exports.createCipheriv=aes.createCipheriv,exports.Decipher=aes.Decipher,exports.createDecipher=aes.createDecipher,exports.Decipheriv=aes.Decipheriv,exports.createDecipheriv=aes.createDecipheriv,exports.getCiphers=aes.getCiphers,exports.listCiphers=aes.listCiphers;var dh=require("diffie-hellman");exports.DiffieHellmanGroup=dh.DiffieHellmanGroup,exports.createDiffieHellmanGroup=dh.createDiffieHellmanGroup,exports.getDiffieHellman=dh.getDiffieHellman,exports.createDiffieHellman=dh.createDiffieHellman,exports.DiffieHellman=dh.DiffieHellman;var sign=require("browserify-sign");exports.createSign=sign.createSign,exports.Sign=sign.Sign,exports.createVerify=sign.createVerify,exports.Verify=sign.Verify,exports.createECDH=require("create-ecdh");var publicEncrypt=require("public-encrypt");exports.publicEncrypt=publicEncrypt.publicEncrypt,exports.privateEncrypt=publicEncrypt.privateEncrypt,exports.publicDecrypt=publicEncrypt.publicDecrypt,exports.privateDecrypt=publicEncrypt.privateDecrypt;var rf=require("randomfill");exports.randomFill=rf.randomFill,exports.randomFillSync=rf.randomFillSync,exports.createCredentials=function(){throw new Error("sorry, createCredentials is not implemented yet\nwe accept pull requests\nhttps://github.com/crypto-browserify/crypto-browserify")},exports.constants={DH_CHECK_P_NOT_SAFE_PRIME:2,DH_CHECK_P_NOT_PRIME:1,DH_UNABLE_TO_CHECK_GENERATOR:4,DH_NOT_SUITABLE_GENERATOR:8,NPN_ENABLED:1,ALPN_ENABLED:1,RSA_PKCS1_PADDING:1,RSA_SSLV23_PADDING:2,RSA_NO_PADDING:3,RSA_PKCS1_OAEP_PADDING:4,RSA_X931_PADDING:5,RSA_PKCS1_PSS_PADDING:6,POINT_CONVERSION_COMPRESSED:2,POINT_CONVERSION_UNCOMPRESSED:4,POINT_CONVERSION_HYBRID:6}},{"browserify-cipher":59,"browserify-sign":66,"browserify-sign/algos":63,"create-ecdh":82,"create-hash":84,"create-hmac":86,"diffie-hellman":98,pbkdf2:185,"public-encrypt":193,randombytes:208,randomfill:209}],90:[function(require,module,exports){(function(process){(function(){function load(){let r;try{r=exports.storage.getItem("debug")}catch(error){}return!r&&"undefined"!=typeof process&&"env"in process&&(r=process.env.DEBUG),r}exports.formatArgs=function(args){if(args[0]=(this.useColors?"%c":"")+this.namespace+(this.useColors?" %c":" ")+args[0]+(this.useColors?"%c ":" ")+"+"+module.exports.humanize(this.diff),!this.useColors)return;const c="color: "+this.color;args.splice(1,0,c,"color: inherit");let index=0,lastC=0;args[0].replace(/%[a-zA-Z%]/g,match=>{"%%"===match||(index++,"%c"===match&&(lastC=index))}),args.splice(lastC,0,c)},exports.save=function(namespaces){try{namespaces?exports.storage.setItem("debug",namespaces):exports.storage.removeItem("debug")}catch(error){}},exports.load=load,exports.useColors=function(){return!!("undefined"!=typeof window&&window.process&&("renderer"===window.process.type||window.process.__nwjs))||!("undefined"!=typeof navigator&&navigator.userAgent&&navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/))&&("undefined"!=typeof document&&document.documentElement&&document.documentElement.style&&document.documentElement.style.WebkitAppearance||"undefined"!=typeof window&&window.console&&(window.console.firebug||window.console.exception&&window.console.table)||"undefined"!=typeof navigator&&navigator.userAgent&&navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/)&&31<=parseInt(RegExp.$1,10)||"undefined"!=typeof navigator&&navigator.userAgent&&navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/))},exports.storage=function(){try{return localStorage}catch(error){}}(),exports.destroy=(()=>{let warned=!1;return()=>{warned||(warned=!0,console.warn("Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`."))}})(),exports.colors=["#0000CC","#0000FF","#0033CC","#0033FF","#0066CC","#0066FF","#0099CC","#0099FF","#00CC00","#00CC33","#00CC66","#00CC99","#00CCCC","#00CCFF","#3300CC","#3300FF","#3333CC","#3333FF","#3366CC","#3366FF","#3399CC","#3399FF","#33CC00","#33CC33","#33CC66","#33CC99","#33CCCC","#33CCFF","#6600CC","#6600FF","#6633CC","#6633FF","#66CC00","#66CC33","#9900CC","#9900FF","#9933CC","#9933FF","#99CC00","#99CC33","#CC0000","#CC0033","#CC0066","#CC0099","#CC00CC","#CC00FF","#CC3300","#CC3333","#CC3366","#CC3399","#CC33CC","#CC33FF","#CC6600","#CC6633","#CC9900","#CC9933","#CCCC00","#CCCC33","#FF0000","#FF0033","#FF0066","#FF0099","#FF00CC","#FF00FF","#FF3300","#FF3333","#FF3366","#FF3399","#FF33CC","#FF33FF","#FF6600","#FF6633","#FF9900","#FF9933","#FFCC00","#FFCC33"],exports.log=console.debug||console.log||(()=>{}),module.exports=require("./common")(exports);const{formatters}=module.exports;formatters.j=function(v){try{return JSON.stringify(v)}catch(error){return"[UnexpectedJSONParseError]: "+error.message}}}).call(this)}).call(this,require("_process"))},{"./common":91,_process:192}],91:[function(require,module){module.exports=function(env){function createDebug(namespace){function debug(...args){if(!debug.enabled)return;const self=debug,curr=+new Date,ms=curr-(prevTime||curr);self.diff=ms,self.prev=prevTime,self.curr=curr,prevTime=curr,args[0]=createDebug.coerce(args[0]),"string"!=typeof args[0]&&args.unshift("%O");let index=0;args[0]=args[0].replace(/%([a-zA-Z%])/g,(match,format)=>{if("%%"===match)return"%";index++;const formatter=createDebug.formatters[format];if("function"==typeof formatter){const val=args[index];match=formatter.call(self,val),args.splice(index,1),index--}return match}),createDebug.formatArgs.call(self,args);const logFn=self.log||createDebug.log;logFn.apply(self,args)}let enableOverride=null,prevTime,namespacesCache,enabledCache;return debug.namespace=namespace,debug.useColors=createDebug.useColors(),debug.color=createDebug.selectColor(namespace),debug.extend=extend,debug.destroy=createDebug.destroy,Object.defineProperty(debug,"enabled",{enumerable:!0,configurable:!1,get:()=>null===enableOverride?(namespacesCache!==createDebug.namespaces&&(namespacesCache=createDebug.namespaces,enabledCache=createDebug.enabled(namespace)),enabledCache):enableOverride,set:v=>{enableOverride=v}}),"function"==typeof createDebug.init&&createDebug.init(debug),debug}function extend(namespace,delimiter){const newDebug=createDebug(this.namespace+("undefined"==typeof delimiter?":":delimiter)+namespace);return newDebug.log=this.log,newDebug}function toNamespace(regexp){return regexp.toString().substring(2,regexp.toString().length-2).replace(/\.\*\?$/,"*")}return createDebug.debug=createDebug,createDebug.default=createDebug,createDebug.coerce=function(val){return val instanceof Error?val.stack||val.message:val},createDebug.disable=function(){const namespaces=[...createDebug.names.map(toNamespace),...createDebug.skips.map(toNamespace).map(namespace=>"-"+namespace)].join(",");return createDebug.enable(""),namespaces},createDebug.enable=function(namespaces){createDebug.save(namespaces),createDebug.namespaces=namespaces,createDebug.names=[],createDebug.skips=[];let i;const split=("string"==typeof namespaces?namespaces:"").split(/[\s,]+/),len=split.length;for(i=0;i<len;i++)split[i]&&(namespaces=split[i].replace(/\*/g,".*?"),"-"===namespaces[0]?createDebug.skips.push(new RegExp("^"+namespaces.slice(1)+"$")):createDebug.names.push(new RegExp("^"+namespaces+"$")))},createDebug.enabled=function(name){if("*"===name[name.length-1])return!0;let i,len;for(i=0,len=createDebug.skips.length;i<len;i++)if(createDebug.skips[i].test(name))return!1;for(i=0,len=createDebug.names.length;i<len;i++)if(createDebug.names[i].test(name))return!0;return!1},createDebug.humanize=require("ms"),createDebug.destroy=function(){console.warn("Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.")},Object.keys(env).forEach(key=>{createDebug[key]=env[key]}),createDebug.names=[],createDebug.skips=[],createDebug.formatters={},createDebug.selectColor=function(namespace){let hash=0;for(let i=0;i<namespace.length;i++)hash=(hash<<5)-hash+namespace.charCodeAt(i),hash|=0;return createDebug.colors[_Mathabs(hash)%createDebug.colors.length]},createDebug.enable(createDebug.load()),createDebug}},{ms:174}],92:[function(require,module,exports){"use strict";exports.utils=require("./des/utils"),exports.Cipher=require("./des/cipher"),exports.DES=require("./des/des"),exports.CBC=require("./des/cbc"),exports.EDE=require("./des/ede")},{"./des/cbc":93,"./des/cipher":94,"./des/des":95,"./des/ede":96,"./des/utils":97}],93:[function(require,module,exports){"use strict";function CBCState(iv){assert.equal(iv.length,8,"Invalid IV length"),this.iv=Array(8);for(var i=0;i<this.iv.length;i++)this.iv[i]=iv[i]}var assert=require("minimalistic-assert"),inherits=require("inherits"),proto={};exports.instantiate=function(Base){function CBC(options){Base.call(this,options),this._cbcInit()}inherits(CBC,Base);for(var keys=Object.keys(proto),i=0,key;i<keys.length;i++)key=keys[i],CBC.prototype[key]=proto[key];return CBC.create=function(options){return new CBC(options)},CBC},proto._cbcInit=function(){var state=new CBCState(this.options.iv);this._cbcState=state},proto._update=function(inp,inOff,out,outOff){var state=this._cbcState,superProto=this.constructor.super_.prototype,iv=state.iv;if("encrypt"===this.type){for(var i=0;i<this.blockSize;i++)iv[i]^=inp[inOff+i];superProto._update.call(this,iv,0,out,outOff);for(var i=0;i<this.blockSize;i++)iv[i]=out[outOff+i]}else{superProto._update.call(this,inp,inOff,out,outOff);for(var i=0;i<this.blockSize;i++)out[outOff+i]^=iv[i];for(var i=0;i<this.blockSize;i++)iv[i]=inp[inOff+i]}}},{inherits:145,"minimalistic-assert":166}],94:[function(require,module){"use strict";function Cipher(options){this.options=options,this.type=this.options.type,this.blockSize=8,this._init(),this.buffer=Array(this.blockSize),this.bufferOff=0}var assert=require("minimalistic-assert");module.exports=Cipher,Cipher.prototype._init=function(){},Cipher.prototype.update=function(data){return 0===data.length?[]:"decrypt"===this.type?this._updateDecrypt(data):this._updateEncrypt(data)},Cipher.prototype._buffer=function(data,off){for(var min=_Mathmin(this.buffer.length-this.bufferOff,data.length-off),i=0;i<min;i++)this.buffer[this.bufferOff+i]=data[off+i];return this.bufferOff+=min,min},Cipher.prototype._flushBuffer=function(out,off){return this._update(this.buffer,0,out,off),this.bufferOff=0,this.blockSize},Cipher.prototype._updateEncrypt=function(data){var inputOff=0,outputOff=0,count=0|(this.bufferOff+data.length)/this.blockSize,out=Array(count*this.blockSize);0!==this.bufferOff&&(inputOff+=this._buffer(data,inputOff),this.bufferOff===this.buffer.length&&(outputOff+=this._flushBuffer(out,outputOff)));for(var max=data.length-(data.length-inputOff)%this.blockSize;inputOff<max;inputOff+=this.blockSize)this._update(data,inputOff,out,outputOff),outputOff+=this.blockSize;for(;inputOff<data.length;inputOff++,this.bufferOff++)this.buffer[this.bufferOff]=data[inputOff];return out},Cipher.prototype._updateDecrypt=function(data){for(var inputOff=0,outputOff=0,count=_Mathceil((this.bufferOff+data.length)/this.blockSize)-1,out=Array(count*this.blockSize);0<count;count--)inputOff+=this._buffer(data,inputOff),outputOff+=this._flushBuffer(out,outputOff);return inputOff+=this._buffer(data,inputOff),out},Cipher.prototype.final=function(buffer){var first;buffer&&(first=this.update(buffer));var last;return last="encrypt"===this.type?this._finalEncrypt():this._finalDecrypt(),first?first.concat(last):last},Cipher.prototype._pad=function(buffer,off){if(0===off)return!1;for(;off<buffer.length;)buffer[off++]=0;return!0},Cipher.prototype._finalEncrypt=function(){if(!this._pad(this.buffer,this.bufferOff))return[];var out=Array(this.blockSize);return this._update(this.buffer,0,out,0),out},Cipher.prototype._unpad=function(buffer){return buffer},Cipher.prototype._finalDecrypt=function(){assert.equal(this.bufferOff,this.blockSize,"Not enough data to decrypt");var out=Array(this.blockSize);return this._flushBuffer(out,0),this._unpad(out)}},{"minimalistic-assert":166}],95:[function(require,module){"use strict";function DESState(){this.tmp=[,,],this.keys=null}function DES(options){Cipher.call(this,options);var state=new DESState;this._desState=state,this.deriveKeys(state,options.key)}var assert=require("minimalistic-assert"),inherits=require("inherits"),utils=require("./utils"),Cipher=require("./cipher");inherits(DES,Cipher),module.exports=DES,DES.create=function(options){return new DES(options)};var shiftTable=[1,1,2,2,2,2,2,2,1,2,2,2,2,2,2,1];DES.prototype.deriveKeys=function(state,key){state.keys=Array(32),assert.equal(key.length,this.blockSize,"Invalid key length");var kL=utils.readUInt32BE(key,0),kR=utils.readUInt32BE(key,4);utils.pc1(kL,kR,state.tmp,0),kL=state.tmp[0],kR=state.tmp[1];for(var i=0,shift;i<state.keys.length;i+=2)shift=shiftTable[i>>>1],kL=utils.r28shl(kL,shift),kR=utils.r28shl(kR,shift),utils.pc2(kL,kR,state.keys,i)},DES.prototype._update=function(inp,inOff,out,outOff){var state=this._desState,l=utils.readUInt32BE(inp,inOff),r=utils.readUInt32BE(inp,inOff+4);utils.ip(l,r,state.tmp,0),l=state.tmp[0],r=state.tmp[1],"encrypt"===this.type?this._encrypt(state,l,r,state.tmp,0):this._decrypt(state,l,r,state.tmp,0),l=state.tmp[0],r=state.tmp[1],utils.writeUInt32BE(out,l,outOff),utils.writeUInt32BE(out,r,outOff+4)},DES.prototype._pad=function(buffer,off){for(var value=buffer.length-off,i=off;i<buffer.length;i++)buffer[i]=value;return!0},DES.prototype._unpad=function(buffer){for(var pad=buffer[buffer.length-1],i=buffer.length-pad;i<buffer.length;i++)assert.equal(buffer[i],pad);return buffer.slice(0,buffer.length-pad)},DES.prototype._encrypt=function(state,lStart,rStart,out,off){for(var l=lStart,r=rStart,i=0;i<state.keys.length;i+=2){var keyL=state.keys[i],keyR=state.keys[i+1];utils.expand(r,state.tmp,0),keyL^=state.tmp[0],keyR^=state.tmp[1];var s=utils.substitute(keyL,keyR),f=utils.permute(s),t=r;r=(l^f)>>>0,l=t}utils.rip(r,l,out,off)},DES.prototype._decrypt=function(state,lStart,rStart,out,off){for(var l=rStart,r=lStart,i=state.keys.length-2;0<=i;i-=2){var keyL=state.keys[i],keyR=state.keys[i+1];utils.expand(l,state.tmp,0),keyL^=state.tmp[0],keyR^=state.tmp[1];var s=utils.substitute(keyL,keyR),f=utils.permute(s),t=l;l=(r^f)>>>0,r=t}utils.rip(l,r,out,off)}},{"./cipher":94,"./utils":97,inherits:145,"minimalistic-assert":166}],96:[function(require,module){"use strict";function EDEState(type,key){assert.equal(key.length,24,"Invalid key length");var k1=key.slice(0,8),k2=key.slice(8,16),k3=key.slice(16,24);this.ciphers="encrypt"===type?[DES.create({type:"encrypt",key:k1}),DES.create({type:"decrypt",key:k2}),DES.create({type:"encrypt",key:k3})]:[DES.create({type:"decrypt",key:k3}),DES.create({type:"encrypt",key:k2}),DES.create({type:"decrypt",key:k1})]}function EDE(options){Cipher.call(this,options);var state=new EDEState(this.type,this.options.key);this._edeState=state}var assert=require("minimalistic-assert"),inherits=require("inherits"),Cipher=require("./cipher"),DES=require("./des");inherits(EDE,Cipher),module.exports=EDE,EDE.create=function(options){return new EDE(options)},EDE.prototype._update=function(inp,inOff,out,outOff){var state=this._edeState;state.ciphers[0]._update(inp,inOff,out,outOff),state.ciphers[1]._update(out,outOff,out,outOff),state.ciphers[2]._update(out,outOff,out,outOff)},EDE.prototype._pad=DES.prototype._pad,EDE.prototype._unpad=DES.prototype._unpad},{"./cipher":94,"./des":95,inherits:145,"minimalistic-assert":166}],97:[function(require,module,exports){"use strict";exports.readUInt32BE=function(bytes,off){var res=bytes[0+off]<<24|bytes[1+off]<<16|bytes[2+off]<<8|bytes[3+off];return res>>>0},exports.writeUInt32BE=function(bytes,value,off){bytes[0+off]=value>>>24,bytes[1+off]=255&value>>>16,bytes[2+off]=255&value>>>8,bytes[3+off]=255&value},exports.ip=function(inL,inR,out,off){for(var outL=0,outR=0,i=6;0<=i;i-=2){for(var j=0;24>=j;j+=8)outL<<=1,outL|=1&inR>>>j+i;for(var j=0;24>=j;j+=8)outL<<=1,outL|=1&inL>>>j+i}for(var i=6;0<=i;i-=2){for(var j=1;25>=j;j+=8)outR<<=1,outR|=1&inR>>>j+i;for(var j=1;25>=j;j+=8)outR<<=1,outR|=1&inL>>>j+i}out[off+0]=outL>>>0,out[off+1]=outR>>>0},exports.rip=function(inL,inR,out,off){for(var outL=0,outR=0,i=0;4>i;i++)for(var j=24;0<=j;j-=8)outL<<=1,outL|=1&inR>>>j+i,outL<<=1,outL|=1&inL>>>j+i;for(var i=4;8>i;i++)for(var j=24;0<=j;j-=8)outR<<=1,outR|=1&inR>>>j+i,outR<<=1,outR|=1&inL>>>j+i;out[off+0]=outL>>>0,out[off+1]=outR>>>0},exports.pc1=function(inL,inR,out,off){for(var outL=0,outR=0,i=7;5<=i;i--){for(var j=0;24>=j;j+=8)outL<<=1,outL|=1&inR>>j+i;for(var j=0;24>=j;j+=8)outL<<=1,outL|=1&inL>>j+i}for(var j=0;24>=j;j+=8)outL<<=1,outL|=1&inR>>j+i;for(var i=1;3>=i;i++){for(var j=0;24>=j;j+=8)outR<<=1,outR|=1&inR>>j+i;for(var j=0;24>=j;j+=8)outR<<=1,outR|=1&inL>>j+i}for(var j=0;24>=j;j+=8)outR<<=1,outR|=1&inL>>j+i;out[off+0]=outL>>>0,out[off+1]=outR>>>0},exports.r28shl=function(num,shift){return 268435455&num<<shift|num>>>28-shift};var pc2table=[14,11,17,4,27,23,25,0,13,22,7,18,5,9,16,24,2,20,12,21,1,8,15,26,15,4,25,19,9,1,26,16,5,11,23,8,12,7,17,0,22,3,10,14,6,20,27,24];exports.pc2=function(inL,inR,out,off){for(var outL=0,outR=0,len=pc2table.length>>>1,i=0;i<len;i++)outL<<=1,outL|=1&inL>>>pc2table[i];for(var i=len;i<pc2table.length;i++)outR<<=1,outR|=1&inR>>>pc2table[i];out[off+0]=outL>>>0,out[off+1]=outR>>>0},exports.expand=function(r,out,off){var outL=0,outR=0;outL=(1&r)<<5|r>>>27;for(var i=23;15<=i;i-=4)outL<<=6,outL|=63&r>>>i;for(var i=11;3<=i;i-=4)outR|=63&r>>>i,outR<<=6;outR|=(31&r)<<1|r>>>31,out[off+0]=outL>>>0,out[off+1]=outR>>>0};var sTable=[14,0,4,15,13,7,1,4,2,14,15,2,11,13,8,1,3,10,10,6,6,12,12,11,5,9,9,5,0,3,7,8,4,15,1,12,14,8,8,2,13,4,6,9,2,1,11,7,15,5,12,11,9,3,7,14,3,10,10,0,5,6,0,13,15,3,1,13,8,4,14,7,6,15,11,2,3,8,4,14,9,12,7,0,2,1,13,10,12,6,0,9,5,11,10,5,0,13,14,8,7,10,11,1,10,3,4,15,13,4,1,2,5,11,8,6,12,7,6,12,9,0,3,5,2,14,15,9,10,13,0,7,9,0,14,9,6,3,3,4,15,6,5,10,1,2,13,8,12,5,7,14,11,12,4,11,2,15,8,1,13,1,6,10,4,13,9,0,8,6,15,9,3,8,0,7,11,4,1,15,2,14,12,3,5,11,10,5,14,2,7,12,7,13,13,8,14,11,3,5,0,6,6,15,9,0,10,3,1,4,2,7,8,2,5,12,11,1,12,10,4,14,15,9,10,3,6,15,9,0,0,6,12,10,11,1,7,13,13,8,15,9,1,4,3,5,14,11,5,12,2,7,8,2,4,14,2,14,12,11,4,2,1,12,7,4,10,7,11,13,6,1,8,5,5,0,3,15,15,10,13,3,0,9,14,8,9,6,4,11,2,8,1,12,11,7,10,1,13,14,7,2,8,13,15,6,9,15,12,0,5,9,6,10,3,4,0,5,14,3,12,10,1,15,10,4,15,2,9,7,2,12,6,9,8,5,0,6,13,1,3,13,4,14,14,0,7,11,5,3,11,8,9,4,14,3,15,2,5,12,2,9,8,5,12,15,3,10,7,11,0,14,4,1,10,7,1,6,13,0,11,8,6,13,4,13,11,0,2,11,14,7,15,4,0,9,8,1,13,10,3,14,12,3,9,5,7,12,5,2,10,15,6,8,1,6,1,6,4,11,11,13,13,8,12,1,3,4,7,10,14,7,10,9,15,5,6,0,8,15,0,14,5,2,9,3,2,12,13,1,2,15,8,13,4,8,6,10,15,3,11,7,1,4,10,12,9,5,3,6,14,11,5,0,0,14,12,9,7,2,7,2,11,1,4,14,1,7,9,4,12,10,14,8,2,13,0,15,6,12,10,9,13,0,15,3,3,5,5,6,8,11];exports.substitute=function(inL,inR){for(var out=0,i=0;4>i;i++){var b=63&inL>>>18-6*i,sb=sTable[64*i+b];out<<=4,out|=sb}for(var i=0;4>i;i++){var b=63&inR>>>18-6*i,sb=sTable[256+64*i+b];out<<=4,out|=sb}return out>>>0};var permuteTable=[16,25,12,11,3,20,4,15,31,17,9,6,27,14,1,22,30,24,8,18,0,5,29,23,13,19,2,26,10,21,28,7];exports.permute=function(num){for(var out=0,i=0;i<permuteTable.length;i++)out<<=1,out|=1&num>>>permuteTable[i];return out>>>0},exports.padSplit=function(num,size,group){for(var str=num.toString(2);str.length<size;)str="0"+str;for(var out=[],i=0;i<size;i+=group)out.push(str.slice(i,i+group));return out.join(" ")}},{}],98:[function(require,module,exports){(function(Buffer){(function(){function createDiffieHellman(prime,enc,generator,genc){return Buffer.isBuffer(enc)||void 0===ENCODINGS[enc]?createDiffieHellman(prime,"binary",enc,generator):(enc=enc||"binary",genc=genc||"binary",generator=generator||new Buffer([2]),Buffer.isBuffer(generator)||(generator=new Buffer(generator,genc)),"number"==typeof prime)?new DH(generatePrime(prime,generator),generator,!0):(Buffer.isBuffer(prime)||(prime=new Buffer(prime,enc)),new DH(prime,generator,!0))}var generatePrime=require("./lib/generatePrime"),primes=require("./lib/primes.json"),DH=require("./lib/dh"),ENCODINGS={binary:!0,hex:!0,base64:!0};exports.DiffieHellmanGroup=exports.createDiffieHellmanGroup=exports.getDiffieHellman=function(mod){var prime=new Buffer(primes[mod].prime,"hex"),gen=new Buffer(primes[mod].gen,"hex");return new DH(prime,gen)},exports.createDiffieHellman=exports.DiffieHellman=createDiffieHellman}).call(this)}).call(this,require("buffer").Buffer)},{"./lib/dh":99,"./lib/generatePrime":100,"./lib/primes.json":101,buffer:75}],99:[function(require,module){(function(Buffer){(function(){function setPublicKey(pub,enc){return enc=enc||"utf8",Buffer.isBuffer(pub)||(pub=new Buffer(pub,enc)),this._pub=new BN(pub),this}function setPrivateKey(priv,enc){return enc=enc||"utf8",Buffer.isBuffer(priv)||(priv=new Buffer(priv,enc)),this._priv=new BN(priv),this}function checkPrime(prime,generator){var gen=generator.toString("hex"),hex=[gen,prime.toString(16)].join("_");if(hex in primeCache)return primeCache[hex];var error=0;if(prime.isEven()||!primes.simpleSieve||!primes.fermatTest(prime)||!millerRabin.test(prime))return error+=1,error+="02"===gen||"05"===gen?8:4,primeCache[hex]=error,error;millerRabin.test(prime.shrn(1))||(error+=2);var rem;return"02"===gen?prime.mod(TWENTYFOUR).cmp(ELEVEN)&&(error+=8):"05"===gen?(rem=prime.mod(TEN),rem.cmp(THREE)&&rem.cmp(SEVEN)&&(error+=8)):error+=4,primeCache[hex]=error,error}function DH(prime,generator,malleable){this.setGenerator(generator),this.__prime=new BN(prime),this._prime=BN.mont(this.__prime),this._primeLen=prime.length,this._pub=void 0,this._priv=void 0,this._primeCode=void 0,malleable?(this.setPublicKey=setPublicKey,this.setPrivateKey=setPrivateKey):this._primeCode=8}function formatReturnValue(bn,enc){var buf=new Buffer(bn.toArray());return enc?buf.toString(enc):buf}var BN=require("bn.js"),MillerRabin=require("miller-rabin"),millerRabin=new MillerRabin,TWENTYFOUR=new BN(24),ELEVEN=new BN(11),TEN=new BN(10),THREE=new BN(3),SEVEN=new BN(7),primes=require("./generatePrime"),randomBytes=require("randombytes");module.exports=DH;var primeCache={};Object.defineProperty(DH.prototype,"verifyError",{enumerable:!0,get:function(){return"number"!=typeof this._primeCode&&(this._primeCode=checkPrime(this.__prime,this.__gen)),this._primeCode}}),DH.prototype.generateKeys=function(){return this._priv||(this._priv=new BN(randomBytes(this._primeLen))),this._pub=this._gen.toRed(this._prime).redPow(this._priv).fromRed(),this.getPublicKey()},DH.prototype.computeSecret=function(other){other=new BN(other),other=other.toRed(this._prime);var secret=other.redPow(this._priv).fromRed(),out=new Buffer(secret.toArray()),prime=this.getPrime();if(out.length<prime.length){var front=new Buffer(prime.length-out.length);front.fill(0),out=Buffer.concat([front,out])}return out},DH.prototype.getPublicKey=function(enc){return formatReturnValue(this._pub,enc)},DH.prototype.getPrivateKey=function(enc){return formatReturnValue(this._priv,enc)},DH.prototype.getPrime=function(enc){return formatReturnValue(this.__prime,enc)},DH.prototype.getGenerator=function(enc){return formatReturnValue(this._gen,enc)},DH.prototype.setGenerator=function(gen,enc){return enc=enc||"utf8",Buffer.isBuffer(gen)||(gen=new Buffer(gen,enc)),this.__gen=gen,this._gen=new BN(gen),this}}).call(this)}).call(this,require("buffer").Buffer)},{"./generatePrime":100,"bn.js":102,buffer:75,"miller-rabin":160,randombytes:208}],100:[function(require,module){function _getPrimes(){var _Mathsqrt=Math.sqrt;if(null!==primes)return primes;var res=[];res[0]=2;for(var i=1,k=3,sqrt;1048576>k;k+=2){sqrt=_Mathceil(_Mathsqrt(k));for(var j=0;j<i&&res[j]<=sqrt&&0!=k%res[j];j++);i!=j&&res[j]<=sqrt||(res[i++]=k)}return primes=res,res}function simpleSieve(p){for(var primes=_getPrimes(),i=0;i<primes.length;i++)if(0===p.modn(primes[i]))return 0===p.cmpn(primes[i]);return!0}function fermatTest(p){var red=BN.mont(p);return 0===TWO.toRed(red).redPow(p.subn(1)).fromRed().cmpn(1)}function findPrime(bits,gen){if(16>bits)return 2===gen||5===gen?new BN([140,123]):new BN([140,39]);gen=new BN(gen);for(var num,n2;;){for(num=new BN(randomBytes(_Mathceil(bits/8)));num.bitLength()>bits;)num.ishrn(1);if(num.isEven()&&num.iadd(ONE),num.testn(1)||num.iadd(TWO),!gen.cmp(TWO))for(;num.mod(TWENTYFOUR).cmp(ELEVEN);)num.iadd(FOUR);else if(!gen.cmp(FIVE))for(;num.mod(TEN).cmp(THREE);)num.iadd(FOUR);if(n2=num.shrn(1),simpleSieve(n2)&&simpleSieve(num)&&fermatTest(n2)&&fermatTest(num)&&millerRabin.test(n2)&&millerRabin.test(num))return num}}var randomBytes=require("randombytes");module.exports=findPrime,findPrime.simpleSieve=simpleSieve,findPrime.fermatTest=fermatTest;var BN=require("bn.js"),TWENTYFOUR=new BN(24),MillerRabin=require("miller-rabin"),millerRabin=new MillerRabin,ONE=new BN(1),TWO=new BN(2),FIVE=new BN(5),SIXTEEN=new BN(16),EIGHT=new BN(8),TEN=new BN(10),THREE=new BN(3),SEVEN=new BN(7),ELEVEN=new BN(11),FOUR=new BN(4),TWELVE=new BN(12),primes=null},{"bn.js":102,"miller-rabin":160,randombytes:208}],101:[function(require,module){module.exports={modp1:{gen:"02",prime:"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a63a3620ffffffffffffffff"},modp2:{gen:"02",prime:"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece65381ffffffffffffffff"},modp5:{gen:"02",prime:"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece45b3dc2007cb8a163bf0598da48361c55d39a69163fa8fd24cf5f83655d23dca3ad961c62f356208552bb9ed529077096966d670c354e4abc9804f1746c08ca237327ffffffffffffffff"},modp14:{gen:"02",prime:"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"},modp15:{gen:"02",prime:"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"},modp16:{gen:"02",prime:"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"},modp17:{gen:"02",prime:"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"},modp18:{gen:"02",prime:"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"}}},{}],102:[function(require,module,exports){arguments[4][22][0].apply(exports,arguments)},{buffer:41,dup:22}],103:[function(require,module,exports){"use strict";var elliptic=exports;elliptic.version=require("../package.json").version,elliptic.utils=require("./elliptic/utils"),elliptic.rand=require("brorand"),elliptic.curve=require("./elliptic/curve"),elliptic.curves=require("./elliptic/curves"),elliptic.ec=require("./elliptic/ec"),elliptic.eddsa=require("./elliptic/eddsa")},{"../package.json":119,"./elliptic/curve":106,"./elliptic/curves":109,"./elliptic/ec":110,"./elliptic/eddsa":113,"./elliptic/utils":117,brorand:40}],104:[function(require,module){"use strict";function BaseCurve(type,conf){this.type=type,this.p=new BN(conf.p,16),this.red=conf.prime?BN.red(conf.prime):BN.mont(this.p),this.zero=new BN(0).toRed(this.red),this.one=new BN(1).toRed(this.red),this.two=new BN(2).toRed(this.red),this.n=conf.n&&new BN(conf.n,16),this.g=conf.g&&this.pointFromJSON(conf.g,conf.gRed),this._wnafT1=[,,,,],this._wnafT2=[,,,,],this._wnafT3=[,,,,],this._wnafT4=[,,,,],this._bitLength=this.n?this.n.bitLength():0;var adjustCount=this.n&&this.p.div(this.n);!adjustCount||0<adjustCount.cmpn(100)?this.redN=null:(this._maxwellTrick=!0,this.redN=this.n.toRed(this.red))}function BasePoint(curve,type){this.curve=curve,this.type=type,this.precomputed=null}var BN=require("bn.js"),utils=require("../utils"),getNAF=utils.getNAF,getJSF=utils.getJSF,assert=utils.assert;module.exports=BaseCurve,BaseCurve.prototype.point=function(){throw new Error("Not implemented")},BaseCurve.prototype.validate=function(){throw new Error("Not implemented")},BaseCurve.prototype._fixedNafMul=function(p,k){assert(p.precomputed);var doubles=p._getDoubles(),naf=getNAF(k,1,this._bitLength),I=(1<<doubles.step+1)-(0==doubles.step%2?2:1);I/=3;var repr=[],j,nafW;for(j=0;j<naf.length;j+=doubles.step){nafW=0;for(var l=j+doubles.step-1;l>=j;l--)nafW=(nafW<<1)+naf[l];repr.push(nafW)}for(var a=this.jpoint(null,null,null),b=this.jpoint(null,null,null),i=I;0<i;i--){for(j=0;j<repr.length;j++)nafW=repr[j],nafW===i?b=b.mixedAdd(doubles.points[j]):nafW===-i&&(b=b.mixedAdd(doubles.points[j].neg()));a=a.add(b)}return a.toP()},BaseCurve.prototype._wnafMul=function(p,k){var w=4,nafPoints=p._getNAFPoints(w);w=nafPoints.wnd;for(var wnd=nafPoints.points,naf=getNAF(k,w,this._bitLength),acc=this.jpoint(null,null,null),i=naf.length-1;0<=i;i--){for(var l=0;0<=i&&0===naf[i];i--)l++;if(0<=i&&l++,acc=acc.dblp(l),0>i)break;var z=naf[i];assert(0!==z),acc="affine"===p.type?0<z?acc.mixedAdd(wnd[z-1>>1]):acc.mixedAdd(wnd[-z-1>>1].neg()):0<z?acc.add(wnd[z-1>>1]):acc.add(wnd[-z-1>>1].neg())}return"affine"===p.type?acc.toP():acc},BaseCurve.prototype._wnafMulAdd=function(defW,points,coeffs,len,jacobianResult){var wndWidth=this._wnafT1,wnd=this._wnafT2,naf=this._wnafT3,max=0,i,j,p;for(i=0;i<len;i++){p=points[i];var nafPoints=p._getNAFPoints(defW);wndWidth[i]=nafPoints.wnd,wnd[i]=nafPoints.points}for(i=len-1;1<=i;i-=2){var a=i-1,b=i;if(1!==wndWidth[a]||1!==wndWidth[b]){naf[a]=getNAF(coeffs[a],wndWidth[a],this._bitLength),naf[b]=getNAF(coeffs[b],wndWidth[b],this._bitLength),max=_Mathmax(naf[a].length,max),max=_Mathmax(naf[b].length,max);continue}var comb=[points[a],null,null,points[b]];0===points[a].y.cmp(points[b].y)?(comb[1]=points[a].add(points[b]),comb[2]=points[a].toJ().mixedAdd(points[b].neg())):0===points[a].y.cmp(points[b].y.redNeg())?(comb[1]=points[a].toJ().mixedAdd(points[b]),comb[2]=points[a].add(points[b].neg())):(comb[1]=points[a].toJ().mixedAdd(points[b]),comb[2]=points[a].toJ().mixedAdd(points[b].neg()));var index=[-3,-1,-5,-7,0,7,5,1,3],jsf=getJSF(coeffs[a],coeffs[b]);for(max=_Mathmax(jsf[0].length,max),naf[a]=Array(max),naf[b]=Array(max),j=0;j<max;j++){var ja=0|jsf[0][j],jb=0|jsf[1][j];naf[a][j]=index[3*(ja+1)+(jb+1)],naf[b][j]=0,wnd[a]=comb}}var acc=this.jpoint(null,null,null),tmp=this._wnafT4;for(i=max;0<=i;i--){for(var k=0,zero;0<=i;){for(zero=!0,j=0;j<len;j++)tmp[j]=0|naf[j][i],0!==tmp[j]&&(zero=!1);if(!zero)break;k++,i--}if(0<=i&&k++,acc=acc.dblp(k),0>i)break;for(j=0;j<len;j++){var z=tmp[j];if(p,0===z)continue;else 0<z?p=wnd[j][z-1>>1]:0>z&&(p=wnd[j][-z-1>>1].neg());acc="affine"===p.type?acc.mixedAdd(p):acc.add(p)}}for(i=0;i<len;i++)wnd[i]=null;return jacobianResult?acc:acc.toP()},BaseCurve.BasePoint=BasePoint,BasePoint.prototype.eq=function(){throw new Error("Not implemented")},BasePoint.prototype.validate=function(){return this.curve.validate(this)},BaseCurve.prototype.decodePoint=function(bytes,enc){bytes=utils.toArray(bytes,enc);var len=this.p.byteLength();if((4===bytes[0]||6===bytes[0]||7===bytes[0])&&bytes.length-1==2*len){6===bytes[0]?assert(0==bytes[bytes.length-1]%2):7===bytes[0]&&assert(1==bytes[bytes.length-1]%2);var res=this.point(bytes.slice(1,1+len),bytes.slice(1+len,1+2*len));return res}if((2===bytes[0]||3===bytes[0])&&bytes.length-1===len)return this.pointFromX(bytes.slice(1,1+len),3===bytes[0]);throw new Error("Unknown point format")},BasePoint.prototype.encodeCompressed=function(enc){return this.encode(enc,!0)},BasePoint.prototype._encode=function(compact){var len=this.curve.p.byteLength(),x=this.getX().toArray("be",len);return compact?[this.getY().isEven()?2:3].concat(x):[4].concat(x,this.getY().toArray("be",len))},BasePoint.prototype.encode=function(enc,compact){return utils.encode(this._encode(compact),enc)},BasePoint.prototype.precompute=function(power){if(this.precomputed)return this;var precomputed={doubles:null,naf:null,beta:null};return precomputed.naf=this._getNAFPoints(8),precomputed.doubles=this._getDoubles(4,power),precomputed.beta=this._getBeta(),this.precomputed=precomputed,this},BasePoint.prototype._hasDoubles=function(k){if(!this.precomputed)return!1;var doubles=this.precomputed.doubles;return!!doubles&&doubles.points.length>=_Mathceil((k.bitLength()+1)/doubles.step)},BasePoint.prototype._getDoubles=function(step,power){if(this.precomputed&&this.precomputed.doubles)return this.precomputed.doubles;for(var doubles=[this],acc=this,i=0;i<power;i+=step){for(var j=0;j<step;j++)acc=acc.dbl();doubles.push(acc)}return{step:step,points:doubles}},BasePoint.prototype._getNAFPoints=function(wnd){if(this.precomputed&&this.precomputed.naf)return this.precomputed.naf;for(var res=[this],max=(1<<wnd)-1,dbl=1===max?null:this.dbl(),i=1;i<max;i++)res[i]=res[i-1].add(dbl);return{wnd:wnd,points:res}},BasePoint.prototype._getBeta=function(){return null},BasePoint.prototype.dblp=function(k){for(var r=this,i=0;i<k;i++)r=r.dbl();return r}},{"../utils":117,"bn.js":118}],105:[function(require,module){"use strict";function EdwardsCurve(conf){this.twisted=1!=(0|conf.a),this.mOneA=this.twisted&&-1==(0|conf.a),this.extended=this.mOneA,Base.call(this,"edwards",conf),this.a=new BN(conf.a,16).umod(this.red.m),this.a=this.a.toRed(this.red),this.c=new BN(conf.c,16).toRed(this.red),this.c2=this.c.redSqr(),this.d=new BN(conf.d,16).toRed(this.red),this.dd=this.d.redAdd(this.d),assert(!this.twisted||0===this.c.fromRed().cmpn(1)),this.oneC=1==(0|conf.c)}function Point(curve,x,y,z,t){Base.BasePoint.call(this,curve,"projective"),null===x&&null===y&&null===z?(this.x=this.curve.zero,this.y=this.curve.one,this.z=this.curve.one,this.t=this.curve.zero,this.zOne=!0):(this.x=new BN(x,16),this.y=new BN(y,16),this.z=z?new BN(z,16):this.curve.one,this.t=t&&new BN(t,16),!this.x.red&&(this.x=this.x.toRed(this.curve.red)),!this.y.red&&(this.y=this.y.toRed(this.curve.red)),!this.z.red&&(this.z=this.z.toRed(this.curve.red)),this.t&&!this.t.red&&(this.t=this.t.toRed(this.curve.red)),this.zOne=this.z===this.curve.one,this.curve.extended&&!this.t&&(this.t=this.x.redMul(this.y),!this.zOne&&(this.t=this.t.redMul(this.z.redInvm()))))}var utils=require("../utils"),BN=require("bn.js"),inherits=require("inherits"),Base=require("./base"),assert=utils.assert;inherits(EdwardsCurve,Base),module.exports=EdwardsCurve,EdwardsCurve.prototype._mulA=function(num){return this.mOneA?num.redNeg():this.a.redMul(num)},EdwardsCurve.prototype._mulC=function(num){return this.oneC?num:this.c.redMul(num)},EdwardsCurve.prototype.jpoint=function(x,y,z,t){return this.point(x,y,z,t)},EdwardsCurve.prototype.pointFromX=function(x,odd){x=new BN(x,16),x.red||(x=x.toRed(this.red));var x2=x.redSqr(),rhs=this.c2.redSub(this.a.redMul(x2)),lhs=this.one.redSub(this.c2.redMul(this.d).redMul(x2)),y2=rhs.redMul(lhs.redInvm()),y=y2.redSqrt();if(0!==y.redSqr().redSub(y2).cmp(this.zero))throw new Error("invalid point");var isOdd=y.fromRed().isOdd();return(odd&&!isOdd||!odd&&isOdd)&&(y=y.redNeg()),this.point(x,y)},EdwardsCurve.prototype.pointFromY=function(y,odd){y=new BN(y,16),y.red||(y=y.toRed(this.red));var y2=y.redSqr(),lhs=y2.redSub(this.c2),rhs=y2.redMul(this.d).redMul(this.c2).redSub(this.a),x2=lhs.redMul(rhs.redInvm());if(0===x2.cmp(this.zero))if(odd)throw new Error("invalid point");else return this.point(this.zero,y);var x=x2.redSqrt();if(0!==x.redSqr().redSub(x2).cmp(this.zero))throw new Error("invalid point");return x.fromRed().isOdd()!==odd&&(x=x.redNeg()),this.point(x,y)},EdwardsCurve.prototype.validate=function(point){if(point.isInfinity())return!0;point.normalize();var x2=point.x.redSqr(),y2=point.y.redSqr(),lhs=x2.redMul(this.a).redAdd(y2),rhs=this.c2.redMul(this.one.redAdd(this.d.redMul(x2).redMul(y2)));return 0===lhs.cmp(rhs)},inherits(Point,Base.BasePoint),EdwardsCurve.prototype.pointFromJSON=function(obj){return Point.fromJSON(this,obj)},EdwardsCurve.prototype.point=function(x,y,z,t){return new Point(this,x,y,z,t)},Point.fromJSON=function(curve,obj){return new Point(curve,obj[0],obj[1],obj[2])},Point.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" y: "+this.y.fromRed().toString(16,2)+" z: "+this.z.fromRed().toString(16,2)+">"},Point.prototype.isInfinity=function(){return 0===this.x.cmpn(0)&&(0===this.y.cmp(this.z)||this.zOne&&0===this.y.cmp(this.curve.c))},Point.prototype._extDbl=function(){var a=this.x.redSqr(),b=this.y.redSqr(),c=this.z.redSqr();c=c.redIAdd(c);var d=this.curve._mulA(a),e=this.x.redAdd(this.y).redSqr().redISub(a).redISub(b),g=d.redAdd(b),f=g.redSub(c),h=d.redSub(b),nx=e.redMul(f),ny=g.redMul(h),nt=e.redMul(h),nz=f.redMul(g);return this.curve.point(nx,ny,nz,nt)},Point.prototype._projDbl=function(){var b=this.x.redAdd(this.y).redSqr(),c=this.x.redSqr(),d=this.y.redSqr(),nx,ny,nz,e,h,j;if(this.curve.twisted){e=this.curve._mulA(c);var f=e.redAdd(d);this.zOne?(nx=b.redSub(c).redSub(d).redMul(f.redSub(this.curve.two)),ny=f.redMul(e.redSub(d)),nz=f.redSqr().redSub(f).redSub(f)):(h=this.z.redSqr(),j=f.redSub(h).redISub(h),nx=b.redSub(c).redISub(d).redMul(j),ny=f.redMul(e.redSub(d)),nz=f.redMul(j))}else e=c.redAdd(d),h=this.curve._mulC(this.z).redSqr(),j=e.redSub(h).redSub(h),nx=this.curve._mulC(b.redISub(e)).redMul(j),ny=this.curve._mulC(e).redMul(c.redISub(d)),nz=e.redMul(j);return this.curve.point(nx,ny,nz)},Point.prototype.dbl=function(){return this.isInfinity()?this:this.curve.extended?this._extDbl():this._projDbl()},Point.prototype._extAdd=function(p){var a=this.y.redSub(this.x).redMul(p.y.redSub(p.x)),b=this.y.redAdd(this.x).redMul(p.y.redAdd(p.x)),c=this.t.redMul(this.curve.dd).redMul(p.t),d=this.z.redMul(p.z.redAdd(p.z)),e=b.redSub(a),f=d.redSub(c),g=d.redAdd(c),h=b.redAdd(a),nx=e.redMul(f),ny=g.redMul(h),nt=e.redMul(h),nz=f.redMul(g);return this.curve.point(nx,ny,nz,nt)},Point.prototype._projAdd=function(p){var a=this.z.redMul(p.z),b=a.redSqr(),c=this.x.redMul(p.x),d=this.y.redMul(p.y),e=this.curve.d.redMul(c).redMul(d),f=b.redSub(e),g=b.redAdd(e),tmp=this.x.redAdd(this.y).redMul(p.x.redAdd(p.y)).redISub(c).redISub(d),nx=a.redMul(f).redMul(tmp),ny,nz;return this.curve.twisted?(ny=a.redMul(g).redMul(d.redSub(this.curve._mulA(c))),nz=f.redMul(g)):(ny=a.redMul(g).redMul(d.redSub(c)),nz=this.curve._mulC(f).redMul(g)),this.curve.point(nx,ny,nz)},Point.prototype.add=function(p){return this.isInfinity()?p:p.isInfinity()?this:this.curve.extended?this._extAdd(p):this._projAdd(p)},Point.prototype.mul=function(k){return this._hasDoubles(k)?this.curve._fixedNafMul(this,k):this.curve._wnafMul(this,k)},Point.prototype.mulAdd=function(k1,p,k2){return this.curve._wnafMulAdd(1,[this,p],[k1,k2],2,!1)},Point.prototype.jmulAdd=function(k1,p,k2){return this.curve._wnafMulAdd(1,[this,p],[k1,k2],2,!0)},Point.prototype.normalize=function(){if(this.zOne)return this;var zi=this.z.redInvm();return this.x=this.x.redMul(zi),this.y=this.y.redMul(zi),this.t&&(this.t=this.t.redMul(zi)),this.z=this.curve.one,this.zOne=!0,this},Point.prototype.neg=function(){return this.curve.point(this.x.redNeg(),this.y,this.z,this.t&&this.t.redNeg())},Point.prototype.getX=function(){return this.normalize(),this.x.fromRed()},Point.prototype.getY=function(){return this.normalize(),this.y.fromRed()},Point.prototype.eq=function(other){return this===other||0===this.getX().cmp(other.getX())&&0===this.getY().cmp(other.getY())},Point.prototype.eqXToP=function(x){var rx=x.toRed(this.curve.red).redMul(this.z);if(0===this.x.cmp(rx))return!0;for(var xc=x.clone(),t=this.curve.redN.redMul(this.z);;){if(xc.iadd(this.curve.n),0<=xc.cmp(this.curve.p))return!1;if(rx.redIAdd(t),0===this.x.cmp(rx))return!0}},Point.prototype.toP=Point.prototype.normalize,Point.prototype.mixedAdd=Point.prototype.add},{"../utils":117,"./base":104,"bn.js":118,inherits:145}],106:[function(require,module,exports){"use strict";var curve=exports;curve.base=require("./base"),curve.short=require("./short"),curve.mont=require("./mont"),curve.edwards=require("./edwards")},{"./base":104,"./edwards":105,"./mont":107,"./short":108}],107:[function(require,module){"use strict";function MontCurve(conf){Base.call(this,"mont",conf),this.a=new BN(conf.a,16).toRed(this.red),this.b=new BN(conf.b,16).toRed(this.red),this.i4=new BN(4).toRed(this.red).redInvm(),this.two=new BN(2).toRed(this.red),this.a24=this.i4.redMul(this.a.redAdd(this.two))}function Point(curve,x,z){Base.BasePoint.call(this,curve,"projective"),null===x&&null===z?(this.x=this.curve.one,this.z=this.curve.zero):(this.x=new BN(x,16),this.z=new BN(z,16),!this.x.red&&(this.x=this.x.toRed(this.curve.red)),!this.z.red&&(this.z=this.z.toRed(this.curve.red)))}var BN=require("bn.js"),inherits=require("inherits"),Base=require("./base"),utils=require("../utils");inherits(MontCurve,Base),module.exports=MontCurve,MontCurve.prototype.validate=function(point){var x=point.normalize().x,x2=x.redSqr(),rhs=x2.redMul(x).redAdd(x2.redMul(this.a)).redAdd(x),y=rhs.redSqrt();return 0===y.redSqr().cmp(rhs)},inherits(Point,Base.BasePoint),MontCurve.prototype.decodePoint=function(bytes,enc){return this.point(utils.toArray(bytes,enc),1)},MontCurve.prototype.point=function(x,z){return new Point(this,x,z)},MontCurve.prototype.pointFromJSON=function(obj){return Point.fromJSON(this,obj)},Point.prototype.precompute=function(){},Point.prototype._encode=function(){return this.getX().toArray("be",this.curve.p.byteLength())},Point.fromJSON=function(curve,obj){return new Point(curve,obj[0],obj[1]||curve.one)},Point.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" z: "+this.z.fromRed().toString(16,2)+">"},Point.prototype.isInfinity=function(){return 0===this.z.cmpn(0)},Point.prototype.dbl=function(){var a=this.x.redAdd(this.z),aa=a.redSqr(),b=this.x.redSub(this.z),bb=b.redSqr(),c=aa.redSub(bb),nx=aa.redMul(bb),nz=c.redMul(bb.redAdd(this.curve.a24.redMul(c)));return this.curve.point(nx,nz)},Point.prototype.add=function(){throw new Error("Not supported on Montgomery curve")},Point.prototype.diffAdd=function(p,diff){var a=this.x.redAdd(this.z),b=this.x.redSub(this.z),c=p.x.redAdd(p.z),d=p.x.redSub(p.z),da=d.redMul(a),cb=c.redMul(b),nx=diff.z.redMul(da.redAdd(cb).redSqr()),nz=diff.x.redMul(da.redISub(cb).redSqr());return this.curve.point(nx,nz)},Point.prototype.mul=function(k){for(var t=k.clone(),a=this,b=this.curve.point(null,null),c=this,bits=[];0!==t.cmpn(0);t.iushrn(1))bits.push(t.andln(1));for(var i=bits.length-1;0<=i;i--)0===bits[i]?(a=a.diffAdd(b,c),b=b.dbl()):(b=a.diffAdd(b,c),a=a.dbl());return b},Point.prototype.mulAdd=function(){throw new Error("Not supported on Montgomery curve")},Point.prototype.jumlAdd=function(){throw new Error("Not supported on Montgomery curve")},Point.prototype.eq=function(other){return 0===this.getX().cmp(other.getX())},Point.prototype.normalize=function(){return this.x=this.x.redMul(this.z.redInvm()),this.z=this.curve.one,this},Point.prototype.getX=function(){return this.normalize(),this.x.fromRed()}},{"../utils":117,"./base":104,"bn.js":118,inherits:145}],108:[function(require,module){"use strict";function ShortCurve(conf){Base.call(this,"short",conf),this.a=new BN(conf.a,16).toRed(this.red),this.b=new BN(conf.b,16).toRed(this.red),this.tinv=this.two.redInvm(),this.zeroA=0===this.a.fromRed().cmpn(0),this.threeA=0===this.a.fromRed().sub(this.p).cmpn(-3),this.endo=this._getEndomorphism(conf),this._endoWnafT1=[,,,,],this._endoWnafT2=[,,,,]}function Point(curve,x,y,isRed){Base.BasePoint.call(this,curve,"affine"),null===x&&null===y?(this.x=null,this.y=null,this.inf=!0):(this.x=new BN(x,16),this.y=new BN(y,16),isRed&&(this.x.forceRed(this.curve.red),this.y.forceRed(this.curve.red)),!this.x.red&&(this.x=this.x.toRed(this.curve.red)),!this.y.red&&(this.y=this.y.toRed(this.curve.red)),this.inf=!1)}function JPoint(curve,x,y,z){Base.BasePoint.call(this,curve,"jacobian"),null===x&&null===y&&null===z?(this.x=this.curve.one,this.y=this.curve.one,this.z=new BN(0)):(this.x=new BN(x,16),this.y=new BN(y,16),this.z=new BN(z,16)),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)),this.zOne=this.z===this.curve.one}var utils=require("../utils"),BN=require("bn.js"),inherits=require("inherits"),Base=require("./base"),assert=utils.assert;inherits(ShortCurve,Base),module.exports=ShortCurve,ShortCurve.prototype._getEndomorphism=function(conf){if(this.zeroA&&this.g&&this.n&&1===this.p.modn(3)){var beta,lambda;if(conf.beta)beta=new BN(conf.beta,16).toRed(this.red);else{var betas=this._getEndoRoots(this.p);beta=0>betas[0].cmp(betas[1])?betas[0]:betas[1],beta=beta.toRed(this.red)}if(conf.lambda)lambda=new BN(conf.lambda,16);else{var lambdas=this._getEndoRoots(this.n);0===this.g.mul(lambdas[0]).x.cmp(this.g.x.redMul(beta))?lambda=lambdas[0]:(lambda=lambdas[1],assert(0===this.g.mul(lambda).x.cmp(this.g.x.redMul(beta))))}var basis;return basis=conf.basis?conf.basis.map(function(vec){return{a:new BN(vec.a,16),b:new BN(vec.b,16)}}):this._getEndoBasis(lambda),{beta:beta,lambda:lambda,basis:basis}}},ShortCurve.prototype._getEndoRoots=function(num){var red=num===this.p?this.red:BN.mont(num),tinv=new BN(2).toRed(red).redInvm(),ntinv=tinv.redNeg(),s=new BN(3).toRed(red).redNeg().redSqrt().redMul(tinv),l1=ntinv.redAdd(s).fromRed(),l2=ntinv.redSub(s).fromRed();return[l1,l2]},ShortCurve.prototype._getEndoBasis=function(lambda){for(var aprxSqrt=this.n.ushrn(_Mathfloor(this.n.bitLength()/2)),u=lambda,v=this.n.clone(),x1=new BN(1),y1=new BN(0),x2=new BN(0),y2=new BN(1),i=0,a0,b0,a1,b1,a2,b2,prevR,r,x,q;0!==u.cmpn(0);){q=v.div(u),r=v.sub(q.mul(u)),x=x2.sub(q.mul(x1));var y=y2.sub(q.mul(y1));if(!a1&&0>r.cmp(aprxSqrt))a0=prevR.neg(),b0=x1,a1=r.neg(),b1=x;else if(a1&&2==++i)break;prevR=r,v=u,u=r,x2=x1,x1=x,y2=y1,y1=y}a2=r.neg(),b2=x;var len1=a1.sqr().add(b1.sqr()),len2=a2.sqr().add(b2.sqr());return 0<=len2.cmp(len1)&&(a2=a0,b2=b0),a1.negative&&(a1=a1.neg(),b1=b1.neg()),a2.negative&&(a2=a2.neg(),b2=b2.neg()),[{a:a1,b:b1},{a:a2,b:b2}]},ShortCurve.prototype._endoSplit=function(k){var basis=this.endo.basis,v1=basis[0],v2=basis[1],c1=v2.b.mul(k).divRound(this.n),c2=v1.b.neg().mul(k).divRound(this.n),p1=c1.mul(v1.a),p2=c2.mul(v2.a),q1=c1.mul(v1.b),q2=c2.mul(v2.b),k1=k.sub(p1).sub(p2),k2=q1.add(q2).neg();return{k1:k1,k2:k2}},ShortCurve.prototype.pointFromX=function(x,odd){x=new BN(x,16),x.red||(x=x.toRed(this.red));var y2=x.redSqr().redMul(x).redIAdd(x.redMul(this.a)).redIAdd(this.b),y=y2.redSqrt();if(0!==y.redSqr().redSub(y2).cmp(this.zero))throw new Error("invalid point");var isOdd=y.fromRed().isOdd();return(odd&&!isOdd||!odd&&isOdd)&&(y=y.redNeg()),this.point(x,y)},ShortCurve.prototype.validate=function(point){if(point.inf)return!0;var x=point.x,y=point.y,ax=this.a.redMul(x),rhs=x.redSqr().redMul(x).redIAdd(ax).redIAdd(this.b);return 0===y.redSqr().redISub(rhs).cmpn(0)},ShortCurve.prototype._endoWnafMulAdd=function(points,coeffs,jacobianResult){for(var npoints=this._endoWnafT1,ncoeffs=this._endoWnafT2,i=0;i<points.length;i++){var split=this._endoSplit(coeffs[i]),p=points[i],beta=p._getBeta();split.k1.negative&&(split.k1.ineg(),p=p.neg(!0)),split.k2.negative&&(split.k2.ineg(),beta=beta.neg(!0)),npoints[2*i]=p,npoints[2*i+1]=beta,ncoeffs[2*i]=split.k1,ncoeffs[2*i+1]=split.k2}for(var res=this._wnafMulAdd(1,npoints,ncoeffs,2*i,jacobianResult),j=0;j<2*i;j++)npoints[j]=null,ncoeffs[j]=null;return res},inherits(Point,Base.BasePoint),ShortCurve.prototype.point=function(x,y,isRed){return new Point(this,x,y,isRed)},ShortCurve.prototype.pointFromJSON=function(obj,red){return Point.fromJSON(this,obj,red)},Point.prototype._getBeta=function(){if(this.curve.endo){var pre=this.precomputed;if(pre&&pre.beta)return pre.beta;var beta=this.curve.point(this.x.redMul(this.curve.endo.beta),this.y);if(pre){var curve=this.curve,endoMul=function(p){return curve.point(p.x.redMul(curve.endo.beta),p.y)};pre.beta=beta,beta.precomputed={beta:null,naf:pre.naf&&{wnd:pre.naf.wnd,points:pre.naf.points.map(endoMul)},doubles:pre.doubles&&{step:pre.doubles.step,points:pre.doubles.points.map(endoMul)}}}return beta}},Point.prototype.toJSON=function(){return this.precomputed?[this.x,this.y,this.precomputed&&{doubles:this.precomputed.doubles&&{step:this.precomputed.doubles.step,points:this.precomputed.doubles.points.slice(1)},naf:this.precomputed.naf&&{wnd:this.precomputed.naf.wnd,points:this.precomputed.naf.points.slice(1)}}]:[this.x,this.y]},Point.fromJSON=function(curve,obj,red){function obj2point(obj){return curve.point(obj[0],obj[1],red)}"string"==typeof obj&&(obj=JSON.parse(obj));var res=curve.point(obj[0],obj[1],red);if(!obj[2])return res;var pre=obj[2];return res.precomputed={beta:null,doubles:pre.doubles&&{step:pre.doubles.step,points:[res].concat(pre.doubles.points.map(obj2point))},naf:pre.naf&&{wnd:pre.naf.wnd,points:[res].concat(pre.naf.points.map(obj2point))}},res},Point.prototype.inspect=function(){return this.isInfinity()?"<EC Point Infinity>":"<EC Point x: "+this.x.fromRed().toString(16,2)+" y: "+this.y.fromRed().toString(16,2)+">"},Point.prototype.isInfinity=function(){return this.inf},Point.prototype.add=function(p){if(this.inf)return p;if(p.inf)return this;if(this.eq(p))return this.dbl();if(this.neg().eq(p))return this.curve.point(null,null);if(0===this.x.cmp(p.x))return this.curve.point(null,null);var c=this.y.redSub(p.y);0!==c.cmpn(0)&&(c=c.redMul(this.x.redSub(p.x).redInvm()));var nx=c.redSqr().redISub(this.x).redISub(p.x),ny=c.redMul(this.x.redSub(nx)).redISub(this.y);return this.curve.point(nx,ny)},Point.prototype.dbl=function(){if(this.inf)return this;var ys1=this.y.redAdd(this.y);if(0===ys1.cmpn(0))return this.curve.point(null,null);var a=this.curve.a,x2=this.x.redSqr(),dyinv=ys1.redInvm(),c=x2.redAdd(x2).redIAdd(x2).redIAdd(a).redMul(dyinv),nx=c.redSqr().redISub(this.x.redAdd(this.x)),ny=c.redMul(this.x.redSub(nx)).redISub(this.y);return this.curve.point(nx,ny)},Point.prototype.getX=function(){return this.x.fromRed()},Point.prototype.getY=function(){return this.y.fromRed()},Point.prototype.mul=function(k){return k=new BN(k,16),this.isInfinity()?this:this._hasDoubles(k)?this.curve._fixedNafMul(this,k):this.curve.endo?this.curve._endoWnafMulAdd([this],[k]):this.curve._wnafMul(this,k)},Point.prototype.mulAdd=function(k1,p2,k2){var points=[this,p2],coeffs=[k1,k2];return this.curve.endo?this.curve._endoWnafMulAdd(points,coeffs):this.curve._wnafMulAdd(1,points,coeffs,2)},Point.prototype.jmulAdd=function(k1,p2,k2){var points=[this,p2],coeffs=[k1,k2];return this.curve.endo?this.curve._endoWnafMulAdd(points,coeffs,!0):this.curve._wnafMulAdd(1,points,coeffs,2,!0)},Point.prototype.eq=function(p){return this===p||this.inf===p.inf&&(this.inf||0===this.x.cmp(p.x)&&0===this.y.cmp(p.y))},Point.prototype.neg=function(_precompute){if(this.inf)return this;var res=this.curve.point(this.x,this.y.redNeg());if(_precompute&&this.precomputed){var pre=this.precomputed,negate=function(p){return p.neg()};res.precomputed={naf:pre.naf&&{wnd:pre.naf.wnd,points:pre.naf.points.map(negate)},doubles:pre.doubles&&{step:pre.doubles.step,points:pre.doubles.points.map(negate)}}}return res},Point.prototype.toJ=function(){if(this.inf)return this.curve.jpoint(null,null,null);var res=this.curve.jpoint(this.x,this.y,this.curve.one);return res},inherits(JPoint,Base.BasePoint),ShortCurve.prototype.jpoint=function(x,y,z){return new JPoint(this,x,y,z)},JPoint.prototype.toP=function(){if(this.isInfinity())return this.curve.point(null,null);var zinv=this.z.redInvm(),zinv2=zinv.redSqr(),ax=this.x.redMul(zinv2),ay=this.y.redMul(zinv2).redMul(zinv);return this.curve.point(ax,ay)},JPoint.prototype.neg=function(){return this.curve.jpoint(this.x,this.y.redNeg(),this.z)},JPoint.prototype.add=function(p){if(this.isInfinity())return p;if(p.isInfinity())return this;var pz2=p.z.redSqr(),z2=this.z.redSqr(),u1=this.x.redMul(pz2),u2=p.x.redMul(z2),s1=this.y.redMul(pz2.redMul(p.z)),s2=p.y.redMul(z2.redMul(this.z)),h=u1.redSub(u2),r=s1.redSub(s2);if(0===h.cmpn(0))return 0===r.cmpn(0)?this.dbl():this.curve.jpoint(null,null,null);var h2=h.redSqr(),h3=h2.redMul(h),v=u1.redMul(h2),nx=r.redSqr().redIAdd(h3).redISub(v).redISub(v),ny=r.redMul(v.redISub(nx)).redISub(s1.redMul(h3)),nz=this.z.redMul(p.z).redMul(h);return this.curve.jpoint(nx,ny,nz)},JPoint.prototype.mixedAdd=function(p){if(this.isInfinity())return p.toJ();if(p.isInfinity())return this;var z2=this.z.redSqr(),u1=this.x,u2=p.x.redMul(z2),s1=this.y,s2=p.y.redMul(z2).redMul(this.z),h=u1.redSub(u2),r=s1.redSub(s2);if(0===h.cmpn(0))return 0===r.cmpn(0)?this.dbl():this.curve.jpoint(null,null,null);var h2=h.redSqr(),h3=h2.redMul(h),v=u1.redMul(h2),nx=r.redSqr().redIAdd(h3).redISub(v).redISub(v),ny=r.redMul(v.redISub(nx)).redISub(s1.redMul(h3)),nz=this.z.redMul(h);return this.curve.jpoint(nx,ny,nz)},JPoint.prototype.dblp=function(pow){if(0===pow)return this;if(this.isInfinity())return this;if(!pow)return this.dbl();var i;if(this.curve.zeroA||this.curve.threeA){var r=this;for(i=0;i<pow;i++)r=r.dbl();return r}var a=this.curve.a,tinv=this.curve.tinv,jx=this.x,jy=this.y,jz=this.z,jz4=jz.redSqr().redSqr(),jyd=jy.redAdd(jy);for(i=0;i<pow;i++){var jx2=jx.redSqr(),jyd2=jyd.redSqr(),jyd4=jyd2.redSqr(),c=jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4)),t1=jx.redMul(jyd2),nx=c.redSqr().redISub(t1.redAdd(t1)),t2=t1.redISub(nx),dny=c.redMul(t2);dny=dny.redIAdd(dny).redISub(jyd4);var nz=jyd.redMul(jz);i+1<pow&&(jz4=jz4.redMul(jyd4)),jx=nx,jz=nz,jyd=dny}return this.curve.jpoint(jx,jyd.redMul(tinv),jz)},JPoint.prototype.dbl=function(){return this.isInfinity()?this:this.curve.zeroA?this._zeroDbl():this.curve.threeA?this._threeDbl():this._dbl()},JPoint.prototype._zeroDbl=function(){var nx,ny,nz;if(this.zOne){var xx=this.x.redSqr(),yy=this.y.redSqr(),yyyy=yy.redSqr(),s=this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);s=s.redIAdd(s);var m=xx.redAdd(xx).redIAdd(xx),t=m.redSqr().redISub(s).redISub(s),yyyy8=yyyy.redIAdd(yyyy);yyyy8=yyyy8.redIAdd(yyyy8),yyyy8=yyyy8.redIAdd(yyyy8),nx=t,ny=m.redMul(s.redISub(t)).redISub(yyyy8),nz=this.y.redAdd(this.y)}else{var a=this.x.redSqr(),b=this.y.redSqr(),c=b.redSqr(),d=this.x.redAdd(b).redSqr().redISub(a).redISub(c);d=d.redIAdd(d);var e=a.redAdd(a).redIAdd(a),f=e.redSqr(),c8=c.redIAdd(c);c8=c8.redIAdd(c8),c8=c8.redIAdd(c8),nx=f.redISub(d).redISub(d),ny=e.redMul(d.redISub(nx)).redISub(c8),nz=this.y.redMul(this.z),nz=nz.redIAdd(nz)}return this.curve.jpoint(nx,ny,nz)},JPoint.prototype._threeDbl=function(){var nx,ny,nz;if(this.zOne){var xx=this.x.redSqr(),yy=this.y.redSqr(),yyyy=yy.redSqr(),s=this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);s=s.redIAdd(s);var m=xx.redAdd(xx).redIAdd(xx).redIAdd(this.curve.a),t=m.redSqr().redISub(s).redISub(s);nx=t;var yyyy8=yyyy.redIAdd(yyyy);yyyy8=yyyy8.redIAdd(yyyy8),yyyy8=yyyy8.redIAdd(yyyy8),ny=m.redMul(s.redISub(t)).redISub(yyyy8),nz=this.y.redAdd(this.y)}else{var delta=this.z.redSqr(),gamma=this.y.redSqr(),beta=this.x.redMul(gamma),alpha=this.x.redSub(delta).redMul(this.x.redAdd(delta));alpha=alpha.redAdd(alpha).redIAdd(alpha);var beta4=beta.redIAdd(beta);beta4=beta4.redIAdd(beta4);var beta8=beta4.redAdd(beta4);nx=alpha.redSqr().redISub(beta8),nz=this.y.redAdd(this.z).redSqr().redISub(gamma).redISub(delta);var ggamma8=gamma.redSqr();ggamma8=ggamma8.redIAdd(ggamma8),ggamma8=ggamma8.redIAdd(ggamma8),ggamma8=ggamma8.redIAdd(ggamma8),ny=alpha.redMul(beta4.redISub(nx)).redISub(ggamma8)}return this.curve.jpoint(nx,ny,nz)},JPoint.prototype._dbl=function(){var a=this.curve.a,jx=this.x,jy=this.y,jz=this.z,jz4=jz.redSqr().redSqr(),jx2=jx.redSqr(),jy2=jy.redSqr(),c=jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4)),jxd4=jx.redAdd(jx);jxd4=jxd4.redIAdd(jxd4);var t1=jxd4.redMul(jy2),nx=c.redSqr().redISub(t1.redAdd(t1)),t2=t1.redISub(nx),jyd8=jy2.redSqr();jyd8=jyd8.redIAdd(jyd8),jyd8=jyd8.redIAdd(jyd8),jyd8=jyd8.redIAdd(jyd8);var ny=c.redMul(t2).redISub(jyd8),nz=jy.redAdd(jy).redMul(jz);return this.curve.jpoint(nx,ny,nz)},JPoint.prototype.trpl=function(){if(!this.curve.zeroA)return this.dbl().add(this);var xx=this.x.redSqr(),yy=this.y.redSqr(),zz=this.z.redSqr(),yyyy=yy.redSqr(),m=xx.redAdd(xx).redIAdd(xx),mm=m.redSqr(),e=this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);e=e.redIAdd(e),e=e.redAdd(e).redIAdd(e),e=e.redISub(mm);var ee=e.redSqr(),t=yyyy.redIAdd(yyyy);t=t.redIAdd(t),t=t.redIAdd(t),t=t.redIAdd(t);var u=m.redIAdd(e).redSqr().redISub(mm).redISub(ee).redISub(t),yyu4=yy.redMul(u);yyu4=yyu4.redIAdd(yyu4),yyu4=yyu4.redIAdd(yyu4);var nx=this.x.redMul(ee).redISub(yyu4);nx=nx.redIAdd(nx),nx=nx.redIAdd(nx);var ny=this.y.redMul(u.redMul(t.redISub(u)).redISub(e.redMul(ee)));ny=ny.redIAdd(ny),ny=ny.redIAdd(ny),ny=ny.redIAdd(ny);var nz=this.z.redAdd(e).redSqr().redISub(zz).redISub(ee);return this.curve.jpoint(nx,ny,nz)},JPoint.prototype.mul=function(k,kbase){return k=new BN(k,kbase),this.curve._wnafMul(this,k)},JPoint.prototype.eq=function(p){if("affine"===p.type)return this.eq(p.toJ());if(this===p)return!0;var z2=this.z.redSqr(),pz2=p.z.redSqr();if(0!==this.x.redMul(pz2).redISub(p.x.redMul(z2)).cmpn(0))return!1;var z3=z2.redMul(this.z),pz3=pz2.redMul(p.z);return 0===this.y.redMul(pz3).redISub(p.y.redMul(z3)).cmpn(0)},JPoint.prototype.eqXToP=function(x){var zs=this.z.redSqr(),rx=x.toRed(this.curve.red).redMul(zs);if(0===this.x.cmp(rx))return!0;for(var xc=x.clone(),t=this.curve.redN.redMul(zs);;){if(xc.iadd(this.curve.n),0<=xc.cmp(this.curve.p))return!1;if(rx.redIAdd(t),0===this.x.cmp(rx))return!0}},JPoint.prototype.inspect=function(){return this.isInfinity()?"<EC JPoint Infinity>":"<EC JPoint x: "+this.x.toString(16,2)+" y: "+this.y.toString(16,2)+" z: "+this.z.toString(16,2)+">"},JPoint.prototype.isInfinity=function(){return 0===this.z.cmpn(0)}},{"../utils":117,"./base":104,"bn.js":118,inherits:145}],109:[function(require,module,exports){"use strict";function PresetCurve(options){this.curve="short"===options.type?new curve.short(options):"edwards"===options.type?new curve.edwards(options):new curve.mont(options),this.g=this.curve.g,this.n=this.curve.n,this.hash=options.hash,assert(this.g.validate(),"Invalid curve"),assert(this.g.mul(this.n).isInfinity(),"Invalid curve, G*N != O")}function defineCurve(name,options){Object.defineProperty(curves,name,{configurable:!0,enumerable:!0,get:function(){var curve=new PresetCurve(options);return Object.defineProperty(curves,name,{configurable:!0,enumerable:!0,value:curve}),curve}})}var curves=exports,hash=require("hash.js"),curve=require("./curve"),utils=require("./utils"),assert=utils.assert;curves.PresetCurve=PresetCurve,defineCurve("p192",{type:"short",prime:"p192",p:"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff",a:"ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc",b:"64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1",n:"ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831",hash:hash.sha256,gRed:!1,g:["188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012","07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811"]}),defineCurve("p224",{type:"short",prime:"p224",p:"ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001",a:"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe",b:"b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4",n:"ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d",hash:hash.sha256,gRed:!1,g:["b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21","bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34"]}),defineCurve("p256",{type:"short",prime:null,p:"ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff",a:"ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc",b:"5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b",n:"ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551",hash:hash.sha256,gRed:!1,g:["6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296","4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5"]}),defineCurve("p384",{type:"short",prime:null,p:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe ffffffff 00000000 00000000 ffffffff",a:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe ffffffff 00000000 00000000 fffffffc",b:"b3312fa7 e23ee7e4 988e056b e3f82d19 181d9c6e fe814112 0314088f 5013875a c656398d 8a2ed19d 2a85c8ed d3ec2aef",n:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff c7634d81 f4372ddf 581a0db2 48b0a77a ecec196a ccc52973",hash:hash.sha384,gRed:!1,g:["aa87ca22 be8b0537 8eb1c71e f320ad74 6e1d3b62 8ba79b98 59f741e0 82542a38 5502f25d bf55296c 3a545e38 72760ab7","3617de4a 96262c6f 5d9e98bf 9292dc29 f8f41dbd 289a147c e9da3113 b5f0b8c0 0a60b1ce 1d7e819d 7a431d7c 90ea0e5f"]}),defineCurve("p521",{type:"short",prime:null,p:"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff",a:"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffc",b:"00000051 953eb961 8e1c9a1f 929a21a0 b68540ee a2da725b 99b315f3 b8b48991 8ef109e1 56193951 ec7e937b 1652c0bd 3bb1bf07 3573df88 3d2c34f1 ef451fd4 6b503f00",n:"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffa 51868783 bf2f966b 7fcc0148 f709a5d0 3bb5c9b8 899c47ae bb6fb71e 91386409",hash:hash.sha512,gRed:!1,g:["000000c6 858e06b7 0404e9cd 9e3ecb66 2395b442 9c648139 053fb521 f828af60 6b4d3dba a14b5e77 efe75928 fe1dc127 a2ffa8de 3348b3c1 856a429b f97e7e31 c2e5bd66","00000118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9 98f54449 579b4468 17afbd17 273e662c 97ee7299 5ef42640 c550b901 3fad0761 353c7086 a272c240 88be9476 9fd16650"]}),defineCurve("curve25519",{type:"mont",prime:"p25519",p:"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed",a:"76d06",b:"1",n:"1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed",hash:hash.sha256,gRed:!1,g:["9"]}),defineCurve("ed25519",{type:"edwards",prime:"p25519",p:"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed",a:"-1",c:"1",d:"52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3",n:"1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed",hash:hash.sha256,gRed:!1,g:["216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a","6666666666666666666666666666666666666666666666666666666666666658"]});var pre;try{pre=require("./precomputed/secp256k1")}catch(e){pre=void 0}defineCurve("secp256k1",{type:"short",prime:"k256",p:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f",a:"0",b:"7",n:"ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141",h:"1",hash:hash.sha256,beta:"7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee",lambda:"5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72",basis:[{a:"3086d221a7d46bcde86c90e49284eb15",b:"-e4437ed6010e88286f547fa90abfe4c3"},{a:"114ca50f7a8e2f3f657c1108d9d44cfd8",b:"3086d221a7d46bcde86c90e49284eb15"}],gRed:!1,g:["79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798","483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8",pre]})},{"./curve":106,"./precomputed/secp256k1":116,"./utils":117,"hash.js":129}],110:[function(require,module){"use strict";function EC(options){return this instanceof EC?void("string"==typeof options&&(assert(Object.prototype.hasOwnProperty.call(curves,options),"Unknown curve "+options),options=curves[options]),options instanceof curves.PresetCurve&&(options={curve:options}),this.curve=options.curve.curve,this.n=this.curve.n,this.nh=this.n.ushrn(1),this.g=this.curve.g,this.g=options.curve.g,this.g.precompute(options.curve.n.bitLength()+1),this.hash=options.hash||options.curve.hash):new EC(options)}var BN=require("bn.js"),HmacDRBG=require("hmac-drbg"),utils=require("../utils"),curves=require("../curves"),rand=require("brorand"),assert=utils.assert,KeyPair=require("./key"),Signature=require("./signature");module.exports=EC,EC.prototype.keyPair=function(options){return new KeyPair(this,options)},EC.prototype.keyFromPrivate=function(priv,enc){return KeyPair.fromPrivate(this,priv,enc)},EC.prototype.keyFromPublic=function(pub,enc){return KeyPair.fromPublic(this,pub,enc)},EC.prototype.genKeyPair=function(options){options||(options={});for(var drbg=new HmacDRBG({hash:this.hash,pers:options.pers,persEnc:options.persEnc||"utf8",entropy:options.entropy||rand(this.hash.hmacStrength),entropyEnc:options.entropy&&options.entropyEnc||"utf8",nonce:this.n.toArray()}),bytes=this.n.byteLength(),ns2=this.n.sub(new BN(2));;){var priv=new BN(drbg.generate(bytes));if(!(0<priv.cmp(ns2)))return priv.iaddn(1),this.keyFromPrivate(priv)}},EC.prototype._truncateToN=function(msg,truncOnly){var delta=8*msg.byteLength()-this.n.bitLength();return 0<delta&&(msg=msg.ushrn(delta)),!truncOnly&&0<=msg.cmp(this.n)?msg.sub(this.n):msg},EC.prototype.sign=function(msg,key,enc,options){"object"==typeof enc&&(options=enc,enc=null),options||(options={}),key=this.keyFromPrivate(key,enc),msg=this._truncateToN(new BN(msg,16));for(var bytes=this.n.byteLength(),bkey=key.getPrivate().toArray("be",bytes),nonce=msg.toArray("be",bytes),drbg=new HmacDRBG({hash:this.hash,entropy:bkey,nonce:nonce,pers:options.pers,persEnc:options.persEnc||"utf8"}),ns1=this.n.sub(new BN(1)),iter=0,k;;iter++)if(k=options.k?options.k(iter):new BN(drbg.generate(this.n.byteLength())),k=this._truncateToN(k,!0),!(0>=k.cmpn(1)||0<=k.cmp(ns1))){var kp=this.g.mul(k);if(!kp.isInfinity()){var kpX=kp.getX(),r=kpX.umod(this.n);if(0!==r.cmpn(0)){var s=k.invm(this.n).mul(r.mul(key.getPrivate()).iadd(msg));if(s=s.umod(this.n),0!==s.cmpn(0)){var recoveryParam=(kp.getY().isOdd()?1:0)|(0===kpX.cmp(r)?0:2);return options.canonical&&0<s.cmp(this.nh)&&(s=this.n.sub(s),recoveryParam^=1),new Signature({r:r,s:s,recoveryParam:recoveryParam})}}}}},EC.prototype.verify=function(msg,signature,key,enc){msg=this._truncateToN(new BN(msg,16)),key=this.keyFromPublic(key,enc),signature=new Signature(signature,"hex");var r=signature.r,s=signature.s;if(0>r.cmpn(1)||0<=r.cmp(this.n))return!1;if(0>s.cmpn(1)||0<=s.cmp(this.n))return!1;var sinv=s.invm(this.n),u1=sinv.mul(msg).umod(this.n),u2=sinv.mul(r).umod(this.n),p;return this.curve._maxwellTrick?(p=this.g.jmulAdd(u1,key.getPublic(),u2),!p.isInfinity()&&p.eqXToP(r)):(p=this.g.mulAdd(u1,key.getPublic(),u2),!p.isInfinity()&&0===p.getX().umod(this.n).cmp(r))},EC.prototype.recoverPubKey=function(msg,signature,j,enc){assert((3&j)===j,"The recovery param is more than two bits"),signature=new Signature(signature,enc);var n=this.n,e=new BN(msg),r=signature.r,s=signature.s,isYOdd=1&j,isSecondKey=j>>1;if(0<=r.cmp(this.curve.p.umod(this.curve.n))&&isSecondKey)throw new Error("Unable to find sencond key candinate");r=isSecondKey?this.curve.pointFromX(r.add(this.curve.n),isYOdd):this.curve.pointFromX(r,isYOdd);var rInv=signature.r.invm(n),s1=n.sub(e).mul(rInv).umod(n),s2=s.mul(rInv).umod(n);return this.g.mulAdd(s1,r,s2)},EC.prototype.getKeyRecoveryParam=function(e,signature,Q,enc){if(signature=new Signature(signature,enc),null!==signature.recoveryParam)return signature.recoveryParam;for(var i=0;4>i;i++){var Qprime;try{Qprime=this.recoverPubKey(e,signature,i)}catch(e){continue}if(Qprime.eq(Q))return i}throw new Error("Unable to find valid recovery factor")}},{"../curves":109,"../utils":117,"./key":111,"./signature":112,"bn.js":118,brorand:40,"hmac-drbg":141}],111:[function(require,module){"use strict";function KeyPair(ec,options){this.ec=ec,this.priv=null,this.pub=null,options.priv&&this._importPrivate(options.priv,options.privEnc),options.pub&&this._importPublic(options.pub,options.pubEnc)}var BN=require("bn.js"),utils=require("../utils"),assert=utils.assert;module.exports=KeyPair,KeyPair.fromPublic=function(ec,pub,enc){return pub instanceof KeyPair?pub:new KeyPair(ec,{pub:pub,pubEnc:enc})},KeyPair.fromPrivate=function(ec,priv,enc){return priv instanceof KeyPair?priv:new KeyPair(ec,{priv:priv,privEnc:enc})},KeyPair.prototype.validate=function(){var pub=this.getPublic();return pub.isInfinity()?{result:!1,reason:"Invalid public key"}:pub.validate()?pub.mul(this.ec.curve.n).isInfinity()?{result:!0,reason:null}:{result:!1,reason:"Public key * N != O"}:{result:!1,reason:"Public key is not a point"}},KeyPair.prototype.getPublic=function(compact,enc){return"string"==typeof compact&&(enc=compact,compact=null),this.pub||(this.pub=this.ec.g.mul(this.priv)),enc?this.pub.encode(enc,compact):this.pub},KeyPair.prototype.getPrivate=function(enc){return"hex"===enc?this.priv.toString(16,2):this.priv},KeyPair.prototype._importPrivate=function(key,enc){this.priv=new BN(key,enc||16),this.priv=this.priv.umod(this.ec.curve.n)},KeyPair.prototype._importPublic=function(key,enc){return key.x||key.y?("mont"===this.ec.curve.type?assert(key.x,"Need x coordinate"):("short"===this.ec.curve.type||"edwards"===this.ec.curve.type)&&assert(key.x&&key.y,"Need both x and y coordinate"),void(this.pub=this.ec.curve.point(key.x,key.y))):void(this.pub=this.ec.curve.decodePoint(key,enc))},KeyPair.prototype.derive=function(pub){return pub.validate()||assert(pub.validate(),"public point not validated"),pub.mul(this.priv).getX()},KeyPair.prototype.sign=function(msg,enc,options){return this.ec.sign(msg,this,enc,options)},KeyPair.prototype.verify=function(msg,signature){return this.ec.verify(msg,signature,this)},KeyPair.prototype.inspect=function(){return"<Key priv: "+(this.priv&&this.priv.toString(16,2))+" pub: "+(this.pub&&this.pub.inspect())+" >"}},{"../utils":117,"bn.js":118}],112:[function(require,module){"use strict";function Signature(options,enc){return options instanceof Signature?options:void(this._importDER(options,enc)||(assert(options.r&&options.s,"Signature without r or s"),this.r=new BN(options.r,16),this.s=new BN(options.s,16),this.recoveryParam=void 0===options.recoveryParam?null:options.recoveryParam))}function Position(){this.place=0}function getLength(buf,p){var initial=buf[p.place++];if(!(128&initial))return initial;var octetLen=15&initial;if(0==octetLen||4<octetLen)return!1;for(var val=0,i=0,off=p.place;i<octetLen;i++,off++)val<<=8,val|=buf[off],val>>>=0;return!(127>=val)&&(p.place=off,val)}function rmPadding(buf){for(var i=0,len=buf.length-1;!buf[i]&&!(128&buf[i+1])&&i<len;)i++;return 0===i?buf:buf.slice(i)}function constructLength(arr,len){if(128>len)return void arr.push(len);var octets=1+(_Mathlog2(len)/_MathLN>>>3);for(arr.push(128|octets);--octets;)arr.push(255&len>>>(octets<<3));arr.push(len)}var BN=require("bn.js"),utils=require("../utils"),assert=utils.assert;module.exports=Signature,Signature.prototype._importDER=function(data,enc){data=utils.toArray(data,enc);var p=new Position;if(48!==data[p.place++])return!1;var len=getLength(data,p);if(!1===len)return!1;if(len+p.place!==data.length)return!1;if(2!==data[p.place++])return!1;var rlen=getLength(data,p);if(!1===rlen)return!1;var r=data.slice(p.place,rlen+p.place);if(p.place+=rlen,2!==data[p.place++])return!1;var slen=getLength(data,p);if(!1===slen)return!1;if(data.length!==slen+p.place)return!1;var s=data.slice(p.place,slen+p.place);if(0===r[0])if(128&r[1])r=r.slice(1);else return!1;if(0===s[0])if(128&s[1])s=s.slice(1);else return!1;return this.r=new BN(r),this.s=new BN(s),this.recoveryParam=null,!0},Signature.prototype.toDER=function(enc){var r=this.r.toArray(),s=this.s.toArray();for(128&r[0]&&(r=[0].concat(r)),128&s[0]&&(s=[0].concat(s)),r=rmPadding(r),s=rmPadding(s);!s[0]&&!(128&s[1]);)s=s.slice(1);var arr=[2];constructLength(arr,r.length),arr=arr.concat(r),arr.push(2),constructLength(arr,s.length);var backHalf=arr.concat(s),res=[48];return constructLength(res,backHalf.length),res=res.concat(backHalf),utils.encode(res,enc)}},{"../utils":117,"bn.js":118}],113:[function(require,module){"use strict";function EDDSA(curve){return assert("ed25519"===curve,"only tested with ed25519 so far"),this instanceof EDDSA?void(curve=curves[curve].curve,this.curve=curve,this.g=curve.g,this.g.precompute(curve.n.bitLength()+1),this.pointClass=curve.point().constructor,this.encodingLength=_Mathceil(curve.n.bitLength()/8),this.hash=hash.sha512):new EDDSA(curve)}var hash=require("hash.js"),curves=require("../curves"),utils=require("../utils"),assert=utils.assert,parseBytes=utils.parseBytes,KeyPair=require("./key"),Signature=require("./signature");module.exports=EDDSA,EDDSA.prototype.sign=function(message,secret){message=parseBytes(message);var key=this.keyFromSecret(secret),r=this.hashInt(key.messagePrefix(),message),R=this.g.mul(r),Rencoded=this.encodePoint(R),s_=this.hashInt(Rencoded,key.pubBytes(),message).mul(key.priv()),S=r.add(s_).umod(this.curve.n);return this.makeSignature({R:R,S:S,Rencoded:Rencoded})},EDDSA.prototype.verify=function(message,sig,pub){message=parseBytes(message),sig=this.makeSignature(sig);var key=this.keyFromPublic(pub),h=this.hashInt(sig.Rencoded(),key.pubBytes(),message),SG=this.g.mul(sig.S()),RplusAh=sig.R().add(key.pub().mul(h));return RplusAh.eq(SG)},EDDSA.prototype.hashInt=function(){for(var hash=this.hash(),i=0;i<arguments.length;i++)hash.update(arguments[i]);return utils.intFromLE(hash.digest()).umod(this.curve.n)},EDDSA.prototype.keyFromPublic=function(pub){return KeyPair.fromPublic(this,pub)},EDDSA.prototype.keyFromSecret=function(secret){return KeyPair.fromSecret(this,secret)},EDDSA.prototype.makeSignature=function(sig){return sig instanceof Signature?sig:new Signature(this,sig)},EDDSA.prototype.encodePoint=function(point){var enc=point.getY().toArray("le",this.encodingLength);return enc[this.encodingLength-1]|=point.getX().isOdd()?128:0,enc},EDDSA.prototype.decodePoint=function(bytes){bytes=utils.parseBytes(bytes);var lastIx=bytes.length-1,normed=bytes.slice(0,lastIx).concat(-129&bytes[lastIx]),xIsOdd=0!=(128&bytes[lastIx]),y=utils.intFromLE(normed);return this.curve.pointFromY(y,xIsOdd)},EDDSA.prototype.encodeInt=function(num){return num.toArray("le",this.encodingLength)},EDDSA.prototype.decodeInt=function(bytes){return utils.intFromLE(bytes)},EDDSA.prototype.isPoint=function(val){return val instanceof this.pointClass}},{"../curves":109,"../utils":117,"./key":114,"./signature":115,"hash.js":129}],114:[function(require,module){"use strict";function KeyPair(eddsa,params){this.eddsa=eddsa,this._secret=parseBytes(params.secret),eddsa.isPoint(params.pub)?this._pub=params.pub:this._pubBytes=parseBytes(params.pub)}var utils=require("../utils"),assert=utils.assert,parseBytes=utils.parseBytes,cachedProperty=utils.cachedProperty;KeyPair.fromPublic=function(eddsa,pub){return pub instanceof KeyPair?pub:new KeyPair(eddsa,{pub:pub})},KeyPair.fromSecret=function(eddsa,secret){return secret instanceof KeyPair?secret:new KeyPair(eddsa,{secret:secret})},KeyPair.prototype.secret=function(){return this._secret},cachedProperty(KeyPair,"pubBytes",function(){return this.eddsa.encodePoint(this.pub())}),cachedProperty(KeyPair,"pub",function(){return this._pubBytes?this.eddsa.decodePoint(this._pubBytes):this.eddsa.g.mul(this.priv())}),cachedProperty(KeyPair,"privBytes",function(){var eddsa=this.eddsa,hash=this.hash(),lastIx=eddsa.encodingLength-1,a=hash.slice(0,eddsa.encodingLength);return a[0]&=248,a[lastIx]&=127,a[lastIx]|=64,a}),cachedProperty(KeyPair,"priv",function(){return this.eddsa.decodeInt(this.privBytes())}),cachedProperty(KeyPair,"hash",function(){return this.eddsa.hash().update(this.secret()).digest()}),cachedProperty(KeyPair,"messagePrefix",function(){return this.hash().slice(this.eddsa.encodingLength)}),KeyPair.prototype.sign=function(message){return assert(this._secret,"KeyPair can only verify"),this.eddsa.sign(message,this)},KeyPair.prototype.verify=function(message,sig){return this.eddsa.verify(message,sig,this)},KeyPair.prototype.getSecret=function(enc){return assert(this._secret,"KeyPair is public only"),utils.encode(this.secret(),enc)},KeyPair.prototype.getPublic=function(enc){return utils.encode(this.pubBytes(),enc)},module.exports=KeyPair},{"../utils":117}],115:[function(require,module){"use strict";function Signature(eddsa,sig){this.eddsa=eddsa,"object"!=typeof sig&&(sig=parseBytes(sig)),Array.isArray(sig)&&(sig={R:sig.slice(0,eddsa.encodingLength),S:sig.slice(eddsa.encodingLength)}),assert(sig.R&&sig.S,"Signature without R or S"),eddsa.isPoint(sig.R)&&(this._R=sig.R),sig.S instanceof BN&&(this._S=sig.S),this._Rencoded=Array.isArray(sig.R)?sig.R:sig.Rencoded,this._Sencoded=Array.isArray(sig.S)?sig.S:sig.Sencoded}var BN=require("bn.js"),utils=require("../utils"),assert=utils.assert,cachedProperty=utils.cachedProperty,parseBytes=utils.parseBytes;cachedProperty(Signature,"S",function(){return this.eddsa.decodeInt(this.Sencoded())}),cachedProperty(Signature,"R",function(){return this.eddsa.decodePoint(this.Rencoded())}),cachedProperty(Signature,"Rencoded",function(){return this.eddsa.encodePoint(this.R())}),cachedProperty(Signature,"Sencoded",function(){return this.eddsa.encodeInt(this.S())}),Signature.prototype.toBytes=function(){return this.Rencoded().concat(this.Sencoded())},Signature.prototype.toHex=function(){return utils.encode(this.toBytes(),"hex").toUpperCase()},module.exports=Signature},{"../utils":117,"bn.js":118}],116:[function(require,module){module.exports={doubles:{step:4,points:[["e60fce93b59e9ec53011aabc21c23e97b2a31369b87a5ae9c44ee89e2a6dec0a","f7e3507399e595929db99f34f57937101296891e44d23f0be1f32cce69616821"],["8282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508","11f8a8098557dfe45e8256e830b60ace62d613ac2f7b17bed31b6eaff6e26caf"],["175e159f728b865a72f99cc6c6fc846de0b93833fd2222ed73fce5b551e5b739","d3506e0d9e3c79eba4ef97a51ff71f5eacb5955add24345c6efa6ffee9fed695"],["363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640","4e273adfc732221953b445397f3363145b9a89008199ecb62003c7f3bee9de9"],["8b4b5f165df3c2be8c6244b5b745638843e4a781a15bcd1b69f79a55dffdf80c","4aad0a6f68d308b4b3fbd7813ab0da04f9e336546162ee56b3eff0c65fd4fd36"],["723cbaa6e5db996d6bf771c00bd548c7b700dbffa6c0e77bcb6115925232fcda","96e867b5595cc498a921137488824d6e2660a0653779494801dc069d9eb39f5f"],["eebfa4d493bebf98ba5feec812c2d3b50947961237a919839a533eca0e7dd7fa","5d9a8ca3970ef0f269ee7edaf178089d9ae4cdc3a711f712ddfd4fdae1de8999"],["100f44da696e71672791d0a09b7bde459f1215a29b3c03bfefd7835b39a48db0","cdd9e13192a00b772ec8f3300c090666b7ff4a18ff5195ac0fbd5cd62bc65a09"],["e1031be262c7ed1b1dc9227a4a04c017a77f8d4464f3b3852c8acde6e534fd2d","9d7061928940405e6bb6a4176597535af292dd419e1ced79a44f18f29456a00d"],["feea6cae46d55b530ac2839f143bd7ec5cf8b266a41d6af52d5e688d9094696d","e57c6b6c97dce1bab06e4e12bf3ecd5c981c8957cc41442d3155debf18090088"],["da67a91d91049cdcb367be4be6ffca3cfeed657d808583de33fa978bc1ec6cb1","9bacaa35481642bc41f463f7ec9780e5dec7adc508f740a17e9ea8e27a68be1d"],["53904faa0b334cdda6e000935ef22151ec08d0f7bb11069f57545ccc1a37b7c0","5bc087d0bc80106d88c9eccac20d3c1c13999981e14434699dcb096b022771c8"],["8e7bcd0bd35983a7719cca7764ca906779b53a043a9b8bcaeff959f43ad86047","10b7770b2a3da4b3940310420ca9514579e88e2e47fd68b3ea10047e8460372a"],["385eed34c1cdff21e6d0818689b81bde71a7f4f18397e6690a841e1599c43862","283bebc3e8ea23f56701de19e9ebf4576b304eec2086dc8cc0458fe5542e5453"],["6f9d9b803ecf191637c73a4413dfa180fddf84a5947fbc9c606ed86c3fac3a7","7c80c68e603059ba69b8e2a30e45c4d47ea4dd2f5c281002d86890603a842160"],["3322d401243c4e2582a2147c104d6ecbf774d163db0f5e5313b7e0e742d0e6bd","56e70797e9664ef5bfb019bc4ddaf9b72805f63ea2873af624f3a2e96c28b2a0"],["85672c7d2de0b7da2bd1770d89665868741b3f9af7643397721d74d28134ab83","7c481b9b5b43b2eb6374049bfa62c2e5e77f17fcc5298f44c8e3094f790313a6"],["948bf809b1988a46b06c9f1919413b10f9226c60f668832ffd959af60c82a0a","53a562856dcb6646dc6b74c5d1c3418c6d4dff08c97cd2bed4cb7f88d8c8e589"],["6260ce7f461801c34f067ce0f02873a8f1b0e44dfc69752accecd819f38fd8e8","bc2da82b6fa5b571a7f09049776a1ef7ecd292238051c198c1a84e95b2b4ae17"],["e5037de0afc1d8d43d8348414bbf4103043ec8f575bfdc432953cc8d2037fa2d","4571534baa94d3b5f9f98d09fb990bddbd5f5b03ec481f10e0e5dc841d755bda"],["e06372b0f4a207adf5ea905e8f1771b4e7e8dbd1c6a6c5b725866a0ae4fce725","7a908974bce18cfe12a27bb2ad5a488cd7484a7787104870b27034f94eee31dd"],["213c7a715cd5d45358d0bbf9dc0ce02204b10bdde2a3f58540ad6908d0559754","4b6dad0b5ae462507013ad06245ba190bb4850f5f36a7eeddff2c27534b458f2"],["4e7c272a7af4b34e8dbb9352a5419a87e2838c70adc62cddf0cc3a3b08fbd53c","17749c766c9d0b18e16fd09f6def681b530b9614bff7dd33e0b3941817dcaae6"],["fea74e3dbe778b1b10f238ad61686aa5c76e3db2be43057632427e2840fb27b6","6e0568db9b0b13297cf674deccb6af93126b596b973f7b77701d3db7f23cb96f"],["76e64113f677cf0e10a2570d599968d31544e179b760432952c02a4417bdde39","c90ddf8dee4e95cf577066d70681f0d35e2a33d2b56d2032b4b1752d1901ac01"],["c738c56b03b2abe1e8281baa743f8f9a8f7cc643df26cbee3ab150242bcbb891","893fb578951ad2537f718f2eacbfbbbb82314eef7880cfe917e735d9699a84c3"],["d895626548b65b81e264c7637c972877d1d72e5f3a925014372e9f6588f6c14b","febfaa38f2bc7eae728ec60818c340eb03428d632bb067e179363ed75d7d991f"],["b8da94032a957518eb0f6433571e8761ceffc73693e84edd49150a564f676e03","2804dfa44805a1e4d7c99cc9762808b092cc584d95ff3b511488e4e74efdf6e7"],["e80fea14441fb33a7d8adab9475d7fab2019effb5156a792f1a11778e3c0df5d","eed1de7f638e00771e89768ca3ca94472d155e80af322ea9fcb4291b6ac9ec78"],["a301697bdfcd704313ba48e51d567543f2a182031efd6915ddc07bbcc4e16070","7370f91cfb67e4f5081809fa25d40f9b1735dbf7c0a11a130c0d1a041e177ea1"],["90ad85b389d6b936463f9d0512678de208cc330b11307fffab7ac63e3fb04ed4","e507a3620a38261affdcbd9427222b839aefabe1582894d991d4d48cb6ef150"],["8f68b9d2f63b5f339239c1ad981f162ee88c5678723ea3351b7b444c9ec4c0da","662a9f2dba063986de1d90c2b6be215dbbea2cfe95510bfdf23cbf79501fff82"],["e4f3fb0176af85d65ff99ff9198c36091f48e86503681e3e6686fd5053231e11","1e63633ad0ef4f1c1661a6d0ea02b7286cc7e74ec951d1c9822c38576feb73bc"],["8c00fa9b18ebf331eb961537a45a4266c7034f2f0d4e1d0716fb6eae20eae29e","efa47267fea521a1a9dc343a3736c974c2fadafa81e36c54e7d2a4c66702414b"],["e7a26ce69dd4829f3e10cec0a9e98ed3143d084f308b92c0997fddfc60cb3e41","2a758e300fa7984b471b006a1aafbb18d0a6b2c0420e83e20e8a9421cf2cfd51"],["b6459e0ee3662ec8d23540c223bcbdc571cbcb967d79424f3cf29eb3de6b80ef",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strict";var utils=exports,BN=require("bn.js"),minAssert=require("minimalistic-assert"),minUtils=require("minimalistic-crypto-utils");utils.assert=minAssert,utils.toArray=minUtils.toArray,utils.zero2=minUtils.zero2,utils.toHex=minUtils.toHex,utils.encode=minUtils.encode,utils.getNAF=function(num,w,bits){var naf=Array(_Mathmax(num.bitLength(),bits)+1);naf.fill(0);for(var ws=1<<w+1,k=num.clone(),i=0;i<naf.length;i++){var mod=k.andln(ws-1),z;k.isOdd()?(z=mod>(ws>>1)-1?(ws>>1)-mod:mod,k.isubn(z)):z=0,naf[i]=z,k.iushrn(1)}return naf},utils.getJSF=function(k1,k2){var jsf=[[],[]];k1=k1.clone(),k2=k2.clone();for(var d1=0,d2=0,m8;0<k1.cmpn(-d1)||0<k2.cmpn(-d2);){var m14=3&k1.andln(3)+d1,m24=3&k2.andln(3)+d2;3==m14&&(m14=-1),3===m24&&(m24=-1);var u1;0==(1&m14)?u1=0:(m8=7&k1.andln(7)+d1,u1=(3===m8||5===m8)&&2===m24?-m14:m14),jsf[0].push(u1);var u2;0==(1&m24)?u2=0:(m8=7&k2.andln(7)+d2,u2=(3===m8||5===m8)&&2===m14?-m24:m24),jsf[1].push(u2),2*d1===u1+1&&(d1=1-d1),2*d2===u2+1&&(d2=1-d2),k1.iushrn(1),k2.iushrn(1)}return jsf},utils.cachedProperty=function(obj,name,computer){var key="_"+name;obj.prototype[name]=function(){return this[key]===void 0?this[key]=computer.call(this):this[key]}},utils.parseBytes=function(bytes){return"string"==typeof bytes?utils.toArray(bytes,"hex"):bytes},utils.intFromLE=function(bytes){return new BN(bytes,"hex","le")}},{"bn.js":118,"minimalistic-assert":166,"minimalistic-crypto-utils":167}],118:[function(require,module,exports){arguments[4][22][0].apply(exports,arguments)},{buffer:41,dup:22}],119:[function(require,module){module.exports={name:"elliptic",version:"6.5.4",description:"EC cryptography",main:"lib/elliptic.js",files:["lib"],scripts:{lint:"eslint lib test","lint:fix":"npm run lint -- --fix",unit:"istanbul test _mocha --reporter=spec test/index.js",test:"npm run lint && npm run unit",version:"grunt dist && git add dist/"},repository:{type:"git",url:"git@github.com:indutny/elliptic"},keywords:["EC","Elliptic","curve","Cryptography"],author:"Fedor Indutny <fedor@indutny.com>",license:"MIT",bugs:{url:"https://github.com/indutny/elliptic/issues"},homepage:"https://github.com/indutny/elliptic",devDependencies:{brfs:"^2.0.2",coveralls:"^3.1.0",eslint:"^7.6.0",grunt:"^1.2.1","grunt-browserify":"^5.3.0","grunt-cli":"^1.3.2","grunt-contrib-connect":"^3.0.0","grunt-contrib-copy":"^1.0.0","grunt-contrib-uglify":"^5.0.0","grunt-mocha-istanbul":"^5.0.2","grunt-saucelabs":"^9.0.1",istanbul:"^0.4.5",mocha:"^8.0.1"},dependencies:{"bn.js":"^4.11.9",brorand:"^1.1.0","hash.js":"^1.0.0","hmac-drbg":"^1.0.1",inherits:"^2.0.4","minimalistic-assert":"^1.0.1","minimalistic-crypto-utils":"^1.0.1"}}},{}],120:[function(require,module){(function(process){(function(){var once=require("once"),noop=function(){},isRequest=function(stream){return stream.setHeader&&"function"==typeof stream.abort},isChildProcess=function(stream){return stream.stdio&&Array.isArray(stream.stdio)&&3===stream.stdio.length},eos=function(stream,opts,callback){if("function"==typeof opts)return eos(stream,null,opts);opts||(opts={}),callback=once(callback||noop);var ws=stream._writableState,rs=stream._readableState,readable=opts.readable||!1!==opts.readable&&stream.readable,writable=opts.writable||!1!==opts.writable&&stream.writable,cancelled=!1,onlegacyfinish=function(){stream.writable||onfinish()},onfinish=function(){writable=!1,readable||callback.call(stream)},onend=function(){readable=!1,writable||callback.call(stream)},onexit=function(exitCode){callback.call(stream,exitCode?new Error("exited with error code: "+exitCode):null)},onerror=function(err){callback.call(stream,err)},onclose=function(){process.nextTick(onclosenexttick)},onclosenexttick=function(){return cancelled?void 0:readable&&!(rs&&rs.ended&&!rs.destroyed)?callback.call(stream,new Error("premature close")):writable&&!(ws&&ws.ended&&!ws.destroyed)?callback.call(stream,new Error("premature close")):void 0},onrequest=function(){stream.req.on("finish",onfinish)};return isRequest(stream)?(stream.on("complete",onfinish),stream.on("abort",onclose),stream.req?onrequest():stream.on("request",onrequest)):writable&&!ws&&(stream.on("end",onlegacyfinish),stream.on("close",onlegacyfinish)),isChildProcess(stream)&&stream.on("exit",onexit),stream.on("end",onend),stream.on("finish",onfinish),!1!==opts.error&&stream.on("error",onerror),stream.on("close",onclose),function(){cancelled=!0,stream.removeListener("complete",onfinish),stream.removeListener("abort",onclose),stream.removeListener("request",onrequest),stream.req&&stream.req.removeListener("finish",onfinish),stream.removeListener("end",onlegacyfinish),stream.removeListener("close",onlegacyfinish),stream.removeListener("finish",onfinish),stream.removeListener("exit",onexit),stream.removeListener("end",onend),stream.removeListener("error",onerror),stream.removeListener("close",onclose)}};module.exports=eos}).call(this)}).call(this,require("_process"))},{_process:192,once:177}],121:[function(require,module){"use strict";function assign(obj,props){for(const key in props)Object.defineProperty(obj,key,{value:props[key],enumerable:!0,configurable:!0});return obj}module.exports=function(err,code,props){if(!err||"string"==typeof err)throw new TypeError("Please pass an Error to err-code");props||(props={}),"object"==typeof code&&(props=code,code=""),code&&(props.code=code);try{return assign(err,props)}catch(_){props.message=err.message,props.stack=err.stack;const ErrClass=function(){};ErrClass.prototype=Object.create(Object.getPrototypeOf(err));const output=assign(new ErrClass,props);return output}}},{}],122:[function(require,module){"use strict";function ProcessEmitWarning(warning){console&&console.warn&&console.warn(warning)}function EventEmitter(){EventEmitter.init.call(this)}function checkListener(listener){if("function"!=typeof listener)throw new TypeError("The \"listener\" argument must be of type Function. Received type "+typeof listener)}function _getMaxListeners(that){return void 0===that._maxListeners?EventEmitter.defaultMaxListeners:that._maxListeners}function _addListener(target,type,listener,prepend){var m,events,existing;if(checkListener(listener),events=target._events,void 0===events?(events=target._events=Object.create(null),target._eventsCount=0):(void 0!==events.newListener&&(target.emit("newListener",type,listener.listener?listener.listener:listener),events=target._events),existing=events[type]),void 0===existing)existing=events[type]=listener,++target._eventsCount;else if("function"==typeof existing?existing=events[type]=prepend?[listener,existing]:[existing,listener]:prepend?existing.unshift(listener):existing.push(listener),m=_getMaxListeners(target),0<m&&existing.length>m&&!existing.warned){existing.warned=!0;var w=new Error("Possible EventEmitter memory leak detected. "+existing.length+" "+(type+" listeners added. Use emitter.setMaxListeners() to increase limit"));w.name="MaxListenersExceededWarning",w.emitter=target,w.type=type,w.count=existing.length,ProcessEmitWarning(w)}return target}function onceWrapper(){if(!this.fired)return this.target.removeListener(this.type,this.wrapFn),this.fired=!0,0===arguments.length?this.listener.call(this.target):this.listener.apply(this.target,arguments)}function _onceWrap(target,type,listener){var state={fired:!1,wrapFn:void 0,target:target,type:type,listener:listener},wrapped=onceWrapper.bind(state);return wrapped.listener=listener,state.wrapFn=wrapped,wrapped}function _listeners(target,type,unwrap){var events=target._events;if(events===void 0)return[];var evlistener=events[type];return void 0===evlistener?[]:"function"==typeof evlistener?unwrap?[evlistener.listener||evlistener]:[evlistener]:unwrap?unwrapListeners(evlistener):arrayClone(evlistener,evlistener.length)}function listenerCount(type){var events=this._events;if(events!==void 0){var evlistener=events[type];if("function"==typeof evlistener)return 1;if(void 0!==evlistener)return evlistener.length}return 0}function arrayClone(arr,n){for(var copy=Array(n),i=0;i<n;++i)copy[i]=arr[i];return copy}function spliceOne(list,index){for(;index+1<list.length;index++)list[index]=list[index+1];list.pop()}function unwrapListeners(arr){for(var ret=Array(arr.length),i=0;i<ret.length;++i)ret[i]=arr[i].listener||arr[i];return ret}function addErrorHandlerIfEventEmitter(emitter,handler,flags){"function"==typeof emitter.on&&eventTargetAgnosticAddListener(emitter,"error",handler,flags)}function eventTargetAgnosticAddListener(emitter,name,listener,flags){if("function"==typeof emitter.on)flags.once?emitter.once(name,listener):emitter.on(name,listener);else if("function"==typeof emitter.addEventListener)emitter.addEventListener(name,function wrapListener(arg){flags.once&&emitter.removeEventListener(name,wrapListener),listener(arg)});else throw new TypeError("The \"emitter\" argument must be of type EventEmitter. Received type "+typeof emitter)}var R="object"==typeof Reflect?Reflect:null,ReflectApply=R&&"function"==typeof R.apply?R.apply:function(target,receiver,args){return Function.prototype.apply.call(target,receiver,args)},ReflectOwnKeys;ReflectOwnKeys=R&&"function"==typeof R.ownKeys?R.ownKeys:Object.getOwnPropertySymbols?function(target){return Object.getOwnPropertyNames(target).concat(Object.getOwnPropertySymbols(target))}:function(target){return Object.getOwnPropertyNames(target)};var NumberIsNaN=Number.isNaN||function(value){return value!==value};module.exports=EventEmitter,module.exports.once=function(emitter,name){return new Promise(function(resolve,reject){function errorListener(err){emitter.removeListener(name,resolver),reject(err)}function resolver(){"function"==typeof emitter.removeListener&&emitter.removeListener("error",errorListener),resolve([].slice.call(arguments))}eventTargetAgnosticAddListener(emitter,name,resolver,{once:!0}),"error"!==name&&addErrorHandlerIfEventEmitter(emitter,errorListener,{once:!0})})},EventEmitter.EventEmitter=EventEmitter,EventEmitter.prototype._events=void 0,EventEmitter.prototype._eventsCount=0,EventEmitter.prototype._maxListeners=void 0;var defaultMaxListeners=10;Object.defineProperty(EventEmitter,"defaultMaxListeners",{enumerable:!0,get:function(){return defaultMaxListeners},set:function(arg){if("number"!=typeof arg||0>arg||NumberIsNaN(arg))throw new RangeError("The value of \"defaultMaxListeners\" is out of range. It must be a non-negative number. Received "+arg+".");defaultMaxListeners=arg}}),EventEmitter.init=function(){(this._events===void 0||this._events===Object.getPrototypeOf(this)._events)&&(this._events=Object.create(null),this._eventsCount=0),this._maxListeners=this._maxListeners||void 0},EventEmitter.prototype.setMaxListeners=function(n){if("number"!=typeof n||0>n||NumberIsNaN(n))throw new RangeError("The value of \"n\" is out of range. It must be a non-negative number. Received "+n+".");return this._maxListeners=n,this},EventEmitter.prototype.getMaxListeners=function(){return _getMaxListeners(this)},EventEmitter.prototype.emit=function(type){for(var args=[],i=1;i<arguments.length;i++)args.push(arguments[i]);var doError="error"===type,events=this._events;if(events!==void 0)doError=doError&&events.error===void 0;else if(!doError)return!1;if(doError){var er;if(0<args.length&&(er=args[0]),er instanceof Error)throw er;var err=new Error("Unhandled error."+(er?" ("+er.message+")":""));throw err.context=er,err}var handler=events[type];if(handler===void 0)return!1;if("function"==typeof handler)ReflectApply(handler,this,args);else for(var len=handler.length,listeners=arrayClone(handler,len),i=0;i<len;++i)ReflectApply(listeners[i],this,args);return!0},EventEmitter.prototype.addListener=function(type,listener){return _addListener(this,type,listener,!1)},EventEmitter.prototype.on=EventEmitter.prototype.addListener,EventEmitter.prototype.prependListener=function(type,listener){return _addListener(this,type,listener,!0)},EventEmitter.prototype.once=function(type,listener){return checkListener(listener),this.on(type,_onceWrap(this,type,listener)),this},EventEmitter.prototype.prependOnceListener=function(type,listener){return checkListener(listener),this.prependListener(type,_onceWrap(this,type,listener)),this},EventEmitter.prototype.removeListener=function(type,listener){var list,events,position,i,originalListener;if(checkListener(listener),events=this._events,void 0===events)return this;if(list=events[type],void 0===list)return this;if(list===listener||list.listener===listener)0==--this._eventsCount?this._events=Object.create(null):(delete events[type],events.removeListener&&this.emit("removeListener",type,list.listener||listener));else if("function"!=typeof list){for(position=-1,i=list.length-1;0<=i;i--)if(list[i]===listener||list[i].listener===listener){originalListener=list[i].listener,position=i;break}if(0>position)return this;0===position?list.shift():spliceOne(list,position),1===list.length&&(events[type]=list[0]),void 0!==events.removeListener&&this.emit("removeListener",type,originalListener||listener)}return this},EventEmitter.prototype.off=EventEmitter.prototype.removeListener,EventEmitter.prototype.removeAllListeners=function(type){var listeners,events,i;if(events=this._events,void 0===events)return this;if(void 0===events.removeListener)return 0===arguments.length?(this._events=Object.create(null),this._eventsCount=0):void 0!==events[type]&&(0==--this._eventsCount?this._events=Object.create(null):delete events[type]),this;if(0===arguments.length){var keys=Object.keys(events),key;for(i=0;i<keys.length;++i)key=keys[i],"removeListener"!==key&&this.removeAllListeners(key);return this.removeAllListeners("removeListener"),this._events=Object.create(null),this._eventsCount=0,this}if(listeners=events[type],"function"==typeof listeners)this.removeListener(type,listeners);else if(void 0!==listeners)for(i=listeners.length-1;0<=i;i--)this.removeListener(type,listeners[i]);return this},EventEmitter.prototype.listeners=function(type){return _listeners(this,type,!0)},EventEmitter.prototype.rawListeners=function(type){return _listeners(this,type,!1)},EventEmitter.listenerCount=function(emitter,type){return"function"==typeof emitter.listenerCount?emitter.listenerCount(type):listenerCount.call(emitter,type)},EventEmitter.prototype.listenerCount=listenerCount,EventEmitter.prototype.eventNames=function(){return 0<this._eventsCount?ReflectOwnKeys(this._events):[]}},{}],123:[function(require,module){var Buffer=require("safe-buffer").Buffer,MD5=require("md5.js");module.exports=function(password,salt,keyBits,ivLen){if(Buffer.isBuffer(password)||(password=Buffer.from(password,"binary")),salt&&(Buffer.isBuffer(salt)||(salt=Buffer.from(salt,"binary")),8!==salt.length))throw new RangeError("salt should be Buffer with 8 byte length");for(var keyLen=keyBits/8,key=Buffer.alloc(keyLen),iv=Buffer.alloc(ivLen||0),tmp=Buffer.alloc(0),hash;0<keyLen||0<ivLen;){hash=new MD5,hash.update(tmp),hash.update(password),salt&&hash.update(salt),tmp=hash.digest();var used=0;if(0<keyLen){var keyStart=key.length-keyLen;used=_Mathmin(keyLen,tmp.length),tmp.copy(key,keyStart,0,used),keyLen-=used}if(used<tmp.length&&0<ivLen){var ivStart=iv.length-ivLen,length=_Mathmin(ivLen,tmp.length-used);tmp.copy(iv,ivStart,used,used+length),ivLen-=length}}return tmp.fill(0),{key:key,iv:iv}}},{"md5.js":157,"safe-buffer":234}],124:[function(require,module){module.exports=class{constructor(hwm){if(!(0<hwm)||0!=(hwm-1&hwm))throw new Error("Max size for a FixedFIFO should be a power of two");this.buffer=Array(hwm),this.mask=hwm-1,this.top=0,this.btm=0,this.next=null}push(data){return!(void 0!==this.buffer[this.top])&&(this.buffer[this.top]=data,this.top=this.top+1&this.mask,!0)}shift(){const last=this.buffer[this.btm];if(void 0!==last)return this.buffer[this.btm]=void 0,this.btm=this.btm+1&this.mask,last}peek(){return this.buffer[this.btm]}isEmpty(){return this.buffer[this.btm]===void 0}}},{}],125:[function(require,module){const FixedFIFO=require("./fixed-size");module.exports=class{constructor(hwm){this.hwm=hwm||16,this.head=new FixedFIFO(this.hwm),this.tail=this.head}push(val){if(!this.head.push(val)){const prev=this.head;this.head=prev.next=new FixedFIFO(2*this.head.buffer.length),this.head.push(val)}}shift(){const val=this.tail.shift();if(void 0===val&&this.tail.next){const next=this.tail.next;return this.tail.next=null,this.tail=next,this.tail.shift()}return val}peek(){return this.tail.peek()}isEmpty(){return this.head.isEmpty()}}},{"./fixed-size":124}],126:[function(require,module){const{Readable}=require("readable-stream"),toBuffer=require("typedarray-to-buffer");module.exports=class extends Readable{constructor(file,opts={}){super(opts),this._offset=0,this._ready=!1,this._file=file,this._size=file.size,this._chunkSize=opts.chunkSize||_Mathmax(this._size/1e3,204800);const reader=new FileReader;reader.onload=()=>{this.push(toBuffer(reader.result))},reader.onerror=()=>{this.emit("error",reader.error)},this.reader=reader,this._generateHeaderBlocks(file,opts,(err,blocks)=>err?this.emit("error",err):void(Array.isArray(blocks)&&blocks.forEach(block=>this.push(block)),this._ready=!0,this.emit("_ready")))}_generateHeaderBlocks(file,opts,callback){callback(null,[])}_read(){if(!this._ready)return void this.once("_ready",this._read.bind(this));const startOffset=this._offset;let endOffset=this._offset+this._chunkSize;return endOffset>this._size&&(endOffset=this._size),startOffset===this._size?(this.destroy(),void this.push(null)):void(this.reader.readAsArrayBuffer(this._file.slice(startOffset,endOffset)),this._offset=endOffset)}destroy(){if(this._file=null,this.reader){this.reader.onload=null,this.reader.onerror=null;try{this.reader.abort()}catch(e){}}this.reader=null}}},{"readable-stream":227,"typedarray-to-buffer":270}],127:[function(require,module){module.exports=function(){if("undefined"==typeof globalThis)return null;var wrtc={RTCPeerConnection:globalThis.RTCPeerConnection||globalThis.mozRTCPeerConnection||globalThis.webkitRTCPeerConnection,RTCSessionDescription:globalThis.RTCSessionDescription||globalThis.mozRTCSessionDescription||globalThis.webkitRTCSessionDescription,RTCIceCandidate:globalThis.RTCIceCandidate||globalThis.mozRTCIceCandidate||globalThis.webkitRTCIceCandidate};return wrtc.RTCPeerConnection?wrtc:null}},{}],128:[function(require,module){"use strict";function throwIfNotStringOrBuffer(val,prefix){if(!Buffer.isBuffer(val)&&"string"!=typeof val)throw new TypeError(prefix+" must be a string or a buffer")}function HashBase(blockSize){Transform.call(this),this._block=Buffer.allocUnsafe(blockSize),this._blockSize=blockSize,this._blockOffset=0,this._length=[0,0,0,0],this._finalized=!1}var Buffer=require("safe-buffer").Buffer,Transform=require("readable-stream").Transform,inherits=require("inherits");inherits(HashBase,Transform),HashBase.prototype._transform=function(chunk,encoding,callback){var error=null;try{this.update(chunk,encoding)}catch(err){error=err}callback(error)},HashBase.prototype._flush=function(callback){var error=null;try{this.push(this.digest())}catch(err){error=err}callback(error)},HashBase.prototype.update=function(data,encoding){if(throwIfNotStringOrBuffer(data,"Data"),this._finalized)throw new Error("Digest already called");Buffer.isBuffer(data)||(data=Buffer.from(data,encoding));for(var block=this._block,offset=0;this._blockOffset+data.length-offset>=this._blockSize;){for(var i=this._blockOffset;i<this._blockSize;)block[i++]=data[offset++];this._update(),this._blockOffset=0}for(;offset<data.length;)block[this._blockOffset++]=data[offset++];for(var j=0,carry=8*data.length;0<carry;++j)this._length[j]+=carry,carry=0|this._length[j]/4294967296,0<carry&&(this._length[j]-=4294967296*carry);return this},HashBase.prototype._update=function(){throw new Error("_update is not implemented")},HashBase.prototype.digest=function(encoding){if(this._finalized)throw new Error("Digest already called");this._finalized=!0;var digest=this._digest();encoding!==void 0&&(digest=digest.toString(encoding)),this._block.fill(0),this._blockOffset=0;for(var i=0;4>i;++i)this._length[i]=0;return digest},HashBase.prototype._digest=function(){throw new Error("_digest is not implemented")},module.exports=HashBase},{inherits:145,"readable-stream":227,"safe-buffer":234}],129:[function(require,module,exports){var hash=exports;hash.utils=require("./hash/utils"),hash.common=require("./hash/common"),hash.sha=require("./hash/sha"),hash.ripemd=require("./hash/ripemd"),hash.hmac=require("./hash/hmac"),hash.sha1=hash.sha.sha1,hash.sha256=hash.sha.sha256,hash.sha224=hash.sha.sha224,hash.sha384=hash.sha.sha384,hash.sha512=hash.sha.sha512,hash.ripemd160=hash.ripemd.ripemd160},{"./hash/common":130,"./hash/hmac":131,"./hash/ripemd":132,"./hash/sha":133,"./hash/utils":140}],130:[function(require,module,exports){"use strict";function BlockHash(){this.pending=null,this.pendingTotal=0,this.blockSize=this.constructor.blockSize,this.outSize=this.constructor.outSize,this.hmacStrength=this.constructor.hmacStrength,this.padLength=this.constructor.padLength/8,this.endian="big",this._delta8=this.blockSize/8,this._delta32=this.blockSize/32}var utils=require("./utils"),assert=require("minimalistic-assert");exports.BlockHash=BlockHash,BlockHash.prototype.update=function(msg,enc){if(msg=utils.toArray(msg,enc),this.pending=this.pending?this.pending.concat(msg):msg,this.pendingTotal+=msg.length,this.pending.length>=this._delta8){msg=this.pending;var r=msg.length%this._delta8;this.pending=msg.slice(msg.length-r,msg.length),0===this.pending.length&&(this.pending=null),msg=utils.join32(msg,0,msg.length-r,this.endian);for(var i=0;i<msg.length;i+=this._delta32)this._update(msg,i,i+this._delta32)}return this},BlockHash.prototype.digest=function(enc){return this.update(this._pad()),assert(null===this.pending),this._digest(enc)},BlockHash.prototype._pad=function(){var len=this.pendingTotal,bytes=this._delta8,k=bytes-(len+this.padLength)%bytes,res=Array(k+this.padLength);res[0]=128;for(var i=1;i<k;i++)res[i]=0;if(len<<=3,"big"===this.endian){for(var t=8;t<this.padLength;t++)res[i++]=0;res[i++]=0,res[i++]=0,res[i++]=0,res[i++]=0,res[i++]=255&len>>>24,res[i++]=255&len>>>16,res[i++]=255&len>>>8,res[i++]=255&len}else for(res[i++]=255&len,res[i++]=255&len>>>8,res[i++]=255&len>>>16,res[i++]=255&len>>>24,res[i++]=0,res[i++]=0,res[i++]=0,res[i++]=0,t=8;t<this.padLength;t++)res[i++]=0;return res}},{"./utils":140,"minimalistic-assert":166}],131:[function(require,module){"use strict";function Hmac(hash,key,enc){return this instanceof Hmac?void(this.Hash=hash,this.blockSize=hash.blockSize/8,this.outSize=hash.outSize/8,this.inner=null,this.outer=null,this._init(utils.toArray(key,enc))):new Hmac(hash,key,enc)}var utils=require("./utils"),assert=require("minimalistic-assert");module.exports=Hmac,Hmac.prototype._init=function(key){key.length>this.blockSize&&(key=new this.Hash().update(key).digest()),assert(key.length<=this.blockSize);for(var i=key.length;i<this.blockSize;i++)key.push(0);for(i=0;i<key.length;i++)key[i]^=54;for(this.inner=new this.Hash().update(key),i=0;i<key.length;i++)key[i]^=106;this.outer=new this.Hash().update(key)},Hmac.prototype.update=function(msg,enc){return this.inner.update(msg,enc),this},Hmac.prototype.digest=function(enc){return this.outer.update(this.inner.digest()),this.outer.digest(enc)}},{"./utils":140,"minimalistic-assert":166}],132:[function(require,module,exports){"use strict";function RIPEMD160(){return this instanceof RIPEMD160?void(BlockHash.call(this),this.h=[1732584193,4023233417,2562383102,271733878,3285377520],this.endian="little"):new RIPEMD160}function f(j,x,y,z){return 15>=j?x^y^z:31>=j?x&y|~x&z:47>=j?(x|~y)^z:63>=j?x&z|y&~z:x^(y|~z)}function K(j){return 15>=j?0:31>=j?1518500249:47>=j?1859775393:63>=j?2400959708:2840853838}function Kh(j){return 15>=j?1352829926:31>=j?1548603684:47>=j?1836072691:63>=j?2053994217:0}var utils=require("./utils"),common=require("./common"),rotl32=utils.rotl32,sum32=utils.sum32,sum32_3=utils.sum32_3,sum32_4=utils.sum32_4,BlockHash=common.BlockHash;utils.inherits(RIPEMD160,BlockHash),exports.ripemd160=RIPEMD160,RIPEMD160.blockSize=512,RIPEMD160.outSize=160,RIPEMD160.hmacStrength=192,RIPEMD160.padLength=64,RIPEMD160.prototype._update=function(msg,start){for(var A=this.h[0],B=this.h[1],C=this.h[2],D=this.h[3],E=this.h[4],Ah=A,Bh=B,Ch=C,Dh=D,Eh=E,j=0,T;80>j;j++)T=sum32(rotl32(sum32_4(A,f(j,B,C,D),msg[r[j]+start],K(j)),s[j]),E),A=E,E=D,D=rotl32(C,10),C=B,B=T,T=sum32(rotl32(sum32_4(Ah,f(79-j,Bh,Ch,Dh),msg[rh[j]+start],Kh(j)),sh[j]),Eh),Ah=Eh,Eh=Dh,Dh=rotl32(Ch,10),Ch=Bh,Bh=T;T=sum32_3(this.h[1],C,Dh),this.h[1]=sum32_3(this.h[2],D,Eh),this.h[2]=sum32_3(this.h[3],E,Ah),this.h[3]=sum32_3(this.h[4],A,Bh),this.h[4]=sum32_3(this.h[0],B,Ch),this.h[0]=T},RIPEMD160.prototype._digest=function(enc){return"hex"===enc?utils.toHex32(this.h,"little"):utils.split32(this.h,"little")};var r=[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,7,4,13,1,10,6,15,3,12,0,9,5,2,14,11,8,3,10,14,4,9,15,8,1,2,7,0,6,13,11,5,12,1,9,11,10,0,8,12,4,13,3,7,15,14,5,6,2,4,0,5,9,7,12,2,10,14,1,3,8,11,6,15,13],rh=[5,14,7,0,9,2,11,4,13,6,15,8,1,10,3,12,6,11,3,7,0,13,5,10,14,15,8,12,4,9,1,2,15,5,1,3,7,14,6,9,11,8,12,2,10,0,4,13,8,6,4,1,3,11,15,0,5,12,2,13,9,7,10,14,12,15,10,4,1,5,8,7,6,2,13,14,0,3,9,11],s=[11,14,15,12,5,8,7,9,11,13,14,15,6,7,9,8,7,6,8,13,11,9,7,15,7,12,15,9,11,7,13,12,11,13,6,7,14,9,13,15,14,8,13,6,5,12,7,5,11,12,14,15,14,15,9,8,9,14,5,6,8,6,5,12,9,15,5,11,6,8,13,12,5,12,13,14,11,8,5,6],sh=[8,9,9,11,13,15,15,5,7,7,8,11,14,14,12,6,9,13,15,7,12,8,9,11,7,7,12,7,6,15,13,11,9,7,15,11,8,6,6,14,12,13,5,14,13,13,7,5,15,5,8,11,14,14,6,14,6,9,12,9,12,5,15,8,8,5,12,9,12,5,14,6,8,13,6,5,15,13,11,11]},{"./common":130,"./utils":140}],133:[function(require,module,exports){"use strict";exports.sha1=require("./sha/1"),exports.sha224=require("./sha/224"),exports.sha256=require("./sha/256"),exports.sha384=require("./sha/384"),exports.sha512=require("./sha/512")},{"./sha/1":134,"./sha/224":135,"./sha/256":136,"./sha/384":137,"./sha/512":138}],134:[function(require,module){"use strict";function SHA1(){return this instanceof SHA1?void(BlockHash.call(this),this.h=[1732584193,4023233417,2562383102,271733878,3285377520],this.W=Array(80)):new SHA1}var utils=require("../utils"),common=require("../common"),shaCommon=require("./common"),rotl32=utils.rotl32,sum32=utils.sum32,sum32_5=utils.sum32_5,ft_1=shaCommon.ft_1,BlockHash=common.BlockHash,sha1_K=[1518500249,1859775393,2400959708,3395469782];utils.inherits(SHA1,BlockHash),module.exports=SHA1,SHA1.blockSize=512,SHA1.outSize=160,SHA1.hmacStrength=80,SHA1.padLength=64,SHA1.prototype._update=function(msg,start){for(var W=this.W,i=0;16>i;i++)W[i]=msg[start+i];for(;i<W.length;i++)W[i]=rotl32(W[i-3]^W[i-8]^W[i-14]^W[i-16],1);var a=this.h[0],b=this.h[1],c=this.h[2],d=this.h[3],e=this.h[4];for(i=0;i<W.length;i++){var s=~~(i/20),t=sum32_5(rotl32(a,5),ft_1(s,b,c,d),e,W[i],sha1_K[s]);e=d,d=c,c=rotl32(b,30),b=a,a=t}this.h[0]=sum32(this.h[0],a),this.h[1]=sum32(this.h[1],b),this.h[2]=sum32(this.h[2],c),this.h[3]=sum32(this.h[3],d),this.h[4]=sum32(this.h[4],e)},SHA1.prototype._digest=function(enc){return"hex"===enc?utils.toHex32(this.h,"big"):utils.split32(this.h,"big")}},{"../common":130,"../utils":140,"./common":139}],135:[function(require,module){"use strict";function SHA224(){return this instanceof SHA224?void(SHA256.call(this),this.h=[3238371032,914150663,812702999,4144912697,4290775857,1750603025,1694076839,3204075428]):new SHA224}var utils=require("../utils"),SHA256=require("./256");utils.inherits(SHA224,SHA256),module.exports=SHA224,SHA224.blockSize=512,SHA224.outSize=224,SHA224.hmacStrength=192,SHA224.padLength=64,SHA224.prototype._digest=function(enc){return"hex"===enc?utils.toHex32(this.h.slice(0,7),"big"):utils.split32(this.h.slice(0,7),"big")}},{"../utils":140,"./256":136}],136:[function(require,module){"use strict";function SHA256(){return this instanceof SHA256?void(BlockHash.call(this),this.h=[1779033703,3144134277,1013904242,2773480762,1359893119,2600822924,528734635,1541459225],this.k=sha256_K,this.W=Array(64)):new SHA256}var utils=require("../utils"),common=require("../common"),shaCommon=require("./common"),assert=require("minimalistic-assert"),sum32=utils.sum32,sum32_4=utils.sum32_4,sum32_5=utils.sum32_5,ch32=shaCommon.ch32,maj32=shaCommon.maj32,s0_256=shaCommon.s0_256,s1_256=shaCommon.s1_256,g0_256=shaCommon.g0_256,g1_256=shaCommon.g1_256,BlockHash=common.BlockHash,sha256_K=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298];utils.inherits(SHA256,BlockHash),module.exports=SHA256,SHA256.blockSize=512,SHA256.outSize=256,SHA256.hmacStrength=192,SHA256.padLength=64,SHA256.prototype._update=function(msg,start){for(var W=this.W,i=0;16>i;i++)W[i]=msg[start+i];for(;i<W.length;i++)W[i]=sum32_4(g1_256(W[i-2]),W[i-7],g0_256(W[i-15]),W[i-16]);var a=this.h[0],b=this.h[1],c=this.h[2],d=this.h[3],e=this.h[4],f=this.h[5],g=this.h[6],h=this.h[7];for(assert(this.k.length===W.length),i=0;i<W.length;i++){var T1=sum32_5(h,s1_256(e),ch32(e,f,g),this.k[i],W[i]),T2=sum32(s0_256(a),maj32(a,b,c));h=g,g=f,f=e,e=sum32(d,T1),d=c,c=b,b=a,a=sum32(T1,T2)}this.h[0]=sum32(this.h[0],a),this.h[1]=sum32(this.h[1],b),this.h[2]=sum32(this.h[2],c),this.h[3]=sum32(this.h[3],d),this.h[4]=sum32(this.h[4],e),this.h[5]=sum32(this.h[5],f),this.h[6]=sum32(this.h[6],g),this.h[7]=sum32(this.h[7],h)},SHA256.prototype._digest=function(enc){return"hex"===enc?utils.toHex32(this.h,"big"):utils.split32(this.h,"big")}},{"../common":130,"../utils":140,"./common":139,"minimalistic-assert":166}],137:[function(require,module){"use strict";function SHA384(){return this instanceof SHA384?void(SHA512.call(this),this.h=[3418070365,3238371032,1654270250,914150663,2438529370,812702999,355462360,4144912697,1731405415,4290775857,2394180231,1750603025,3675008525,1694076839,1203062813,3204075428]):new SHA384}var utils=require("../utils"),SHA512=require("./512");utils.inherits(SHA384,SHA512),module.exports=SHA384,SHA384.blockSize=1024,SHA384.outSize=384,SHA384.hmacStrength=192,SHA384.padLength=128,SHA384.prototype._digest=function(enc){return"hex"===enc?utils.toHex32(this.h.slice(0,12),"big"):utils.split32(this.h.slice(0,12),"big")}},{"../utils":140,"./512":138}],138:[function(require,module){"use strict";function SHA512(){return this instanceof SHA512?void(BlockHash.call(this),this.h=[1779033703,4089235720,3144134277,2227873595,1013904242,4271175723,2773480762,1595750129,1359893119,2917565137,2600822924,725511199,528734635,4215389547,1541459225,327033209],this.k=sha512_K,this.W=Array(160)):new SHA512}function ch64_hi(xh,xl,yh,yl,zh){var r=xh&yh^~xh&zh;return 0>r&&(r+=4294967296),r}function ch64_lo(xh,xl,yh,yl,zh,zl){var r=xl&yl^~xl&zl;return 0>r&&(r+=4294967296),r}function maj64_hi(xh,xl,yh,yl,zh){var r=xh&yh^xh&zh^yh&zh;return 0>r&&(r+=4294967296),r}function maj64_lo(xh,xl,yh,yl,zh,zl){var r=xl&yl^xl&zl^yl&zl;return 0>r&&(r+=4294967296),r}function s0_512_hi(xh,xl){var c0_hi=rotr64_hi(xh,xl,28),c1_hi=rotr64_hi(xl,xh,2),c2_hi=rotr64_hi(xl,xh,7),r=c0_hi^c1_hi^c2_hi;return 0>r&&(r+=4294967296),r}function s0_512_lo(xh,xl){var c0_lo=rotr64_lo(xh,xl,28),c1_lo=rotr64_lo(xl,xh,2),c2_lo=rotr64_lo(xl,xh,7),r=c0_lo^c1_lo^c2_lo;return 0>r&&(r+=4294967296),r}function s1_512_hi(xh,xl){var c0_hi=rotr64_hi(xh,xl,14),c1_hi=rotr64_hi(xh,xl,18),c2_hi=rotr64_hi(xl,xh,9),r=c0_hi^c1_hi^c2_hi;return 0>r&&(r+=4294967296),r}function s1_512_lo(xh,xl){var c0_lo=rotr64_lo(xh,xl,14),c1_lo=rotr64_lo(xh,xl,18),c2_lo=rotr64_lo(xl,xh,9),r=c0_lo^c1_lo^c2_lo;return 0>r&&(r+=4294967296),r}function g0_512_hi(xh,xl){var c0_hi=rotr64_hi(xh,xl,1),c1_hi=rotr64_hi(xh,xl,8),c2_hi=shr64_hi(xh,xl,7),r=c0_hi^c1_hi^c2_hi;return 0>r&&(r+=4294967296),r}function g0_512_lo(xh,xl){var c0_lo=rotr64_lo(xh,xl,1),c1_lo=rotr64_lo(xh,xl,8),c2_lo=shr64_lo(xh,xl,7),r=c0_lo^c1_lo^c2_lo;return 0>r&&(r+=4294967296),r}function g1_512_hi(xh,xl){var c0_hi=rotr64_hi(xh,xl,19),c1_hi=rotr64_hi(xl,xh,29),c2_hi=shr64_hi(xh,xl,6),r=c0_hi^c1_hi^c2_hi;return 0>r&&(r+=4294967296),r}function g1_512_lo(xh,xl){var c0_lo=rotr64_lo(xh,xl,19),c1_lo=rotr64_lo(xl,xh,29),c2_lo=shr64_lo(xh,xl,6),r=c0_lo^c1_lo^c2_lo;return 0>r&&(r+=4294967296),r}var utils=require("../utils"),common=require("../common"),assert=require("minimalistic-assert"),rotr64_hi=utils.rotr64_hi,rotr64_lo=utils.rotr64_lo,shr64_hi=utils.shr64_hi,shr64_lo=utils.shr64_lo,sum64=utils.sum64,sum64_hi=utils.sum64_hi,sum64_lo=utils.sum64_lo,sum64_4_hi=utils.sum64_4_hi,sum64_4_lo=utils.sum64_4_lo,sum64_5_hi=utils.sum64_5_hi,sum64_5_lo=utils.sum64_5_lo,BlockHash=common.BlockHash,sha512_K=[1116352408,3609767458,1899447441,602891725,3049323471,3964484399,3921009573,2173295548,961987163,4081628472,1508970993,3053834265,2453635748,2937671579,2870763221,3664609560,3624381080,2734883394,310598401,1164996542,607225278,1323610764,1426881987,3590304994,1925078388,4068182383,2162078206,991336113,2614888103,633803317,3248222580,3479774868,3835390401,2666613458,4022224774,944711139,264347078,2341262773,604807628,2007800933,770255983,1495990901,1249150122,1856431235,1555081692,3175218132,1996064986,2198950837,2554220882,3999719339,2821834349,766784016,2952996808,2566594879,3210313671,3203337956,3336571891,1034457026,3584528711,2466948901,113926993,3758326383,338241895,168717936,666307205,1188179964,773529912,1546045734,1294757372,1522805485,1396182291,2643833823,1695183700,2343527390,1986661051,1014477480,2177026350,1206759142,2456956037,344077627,2730485921,1290863460,2820302411,3158454273,3259730800,3505952657,3345764771,106217008,3516065817,3606008344,3600352804,1432725776,4094571909,1467031594,275423344,851169720,430227734,3100823752,506948616,1363258195,659060556,3750685593,883997877,3785050280,958139571,3318307427,1322822218,3812723403,1537002063,2003034995,1747873779,3602036899,1955562222,1575990012,2024104815,1125592928,2227730452,2716904306,2361852424,442776044,2428436474,593698344,2756734187,3733110249,3204031479,2999351573,3329325298,3815920427,3391569614,3928383900,3515267271,566280711,3940187606,3454069534,4118630271,4000239992,116418474,1914138554,174292421,2731055270,289380356,3203993006,460393269,320620315,685471733,587496836,852142971,1086792851,1017036298,365543100,1126000580,2618297676,1288033470,3409855158,1501505948,4234509866,1607167915,987167468,1816402316,1246189591];utils.inherits(SHA512,BlockHash),module.exports=SHA512,SHA512.blockSize=1024,SHA512.outSize=512,SHA512.hmacStrength=192,SHA512.padLength=128,SHA512.prototype._prepareBlock=function(msg,start){for(var W=this.W,i=0;32>i;i++)W[i]=msg[start+i];for(;i<W.length;i+=2){var c0_hi=g1_512_hi(W[i-4],W[i-3]),c0_lo=g1_512_lo(W[i-4],W[i-3]),c1_hi=W[i-14],c1_lo=W[i-13],c2_hi=g0_512_hi(W[i-30],W[i-29]),c2_lo=g0_512_lo(W[i-30],W[i-29]),c3_hi=W[i-32],c3_lo=W[i-31];W[i]=sum64_4_hi(c0_hi,c0_lo,c1_hi,c1_lo,c2_hi,c2_lo,c3_hi,c3_lo),W[i+1]=sum64_4_lo(c0_hi,c0_lo,c1_hi,c1_lo,c2_hi,c2_lo,c3_hi,c3_lo)}},SHA512.prototype._update=function(msg,start){this._prepareBlock(msg,start);var W=this.W,ah=this.h[0],al=this.h[1],bh=this.h[2],bl=this.h[3],ch=this.h[4],cl=this.h[5],dh=this.h[6],dl=this.h[7],eh=this.h[8],el=this.h[9],fh=this.h[10],fl=this.h[11],gh=this.h[12],gl=this.h[13],hh=this.h[14],hl=this.h[15];assert(this.k.length===W.length);for(var i=0;i<W.length;i+=2){var c0_hi=hh,c0_lo=hl,c1_hi=s1_512_hi(eh,el),c1_lo=s1_512_lo(eh,el),c2_hi=ch64_hi(eh,el,fh,fl,gh,gl),c2_lo=ch64_lo(eh,el,fh,fl,gh,gl),c3_hi=this.k[i],c3_lo=this.k[i+1],c4_hi=W[i],c4_lo=W[i+1],T1_hi=sum64_5_hi(c0_hi,c0_lo,c1_hi,c1_lo,c2_hi,c2_lo,c3_hi,c3_lo,c4_hi,c4_lo),T1_lo=sum64_5_lo(c0_hi,c0_lo,c1_hi,c1_lo,c2_hi,c2_lo,c3_hi,c3_lo,c4_hi,c4_lo);c0_hi=s0_512_hi(ah,al),c0_lo=s0_512_lo(ah,al),c1_hi=maj64_hi(ah,al,bh,bl,ch,cl),c1_lo=maj64_lo(ah,al,bh,bl,ch,cl);var T2_hi=sum64_hi(c0_hi,c0_lo,c1_hi,c1_lo),T2_lo=sum64_lo(c0_hi,c0_lo,c1_hi,c1_lo);hh=gh,hl=gl,gh=fh,gl=fl,fh=eh,fl=el,eh=sum64_hi(dh,dl,T1_hi,T1_lo),el=sum64_lo(dl,dl,T1_hi,T1_lo),dh=ch,dl=cl,ch=bh,cl=bl,bh=ah,bl=al,ah=sum64_hi(T1_hi,T1_lo,T2_hi,T2_lo),al=sum64_lo(T1_hi,T1_lo,T2_hi,T2_lo)}sum64(this.h,0,ah,al),sum64(this.h,2,bh,bl),sum64(this.h,4,ch,cl),sum64(this.h,6,dh,dl),sum64(this.h,8,eh,el),sum64(this.h,10,fh,fl),sum64(this.h,12,gh,gl),sum64(this.h,14,hh,hl)},SHA512.prototype._digest=function(enc){return"hex"===enc?utils.toHex32(this.h,"big"):utils.split32(this.h,"big")}},{"../common":130,"../utils":140,"minimalistic-assert":166}],139:[function(require,module,exports){"use strict";function ch32(x,y,z){return x&y^~x&z}function maj32(x,y,z){return x&y^x&z^y&z}function p32(x,y,z){return x^y^z}var utils=require("../utils"),rotr32=utils.rotr32;exports.ft_1=function(s,x,y,z){return 0===s?ch32(x,y,z):1===s||3===s?p32(x,y,z):2===s?maj32(x,y,z):void 0},exports.ch32=ch32,exports.maj32=maj32,exports.p32=p32,exports.s0_256=function(x){return rotr32(x,2)^rotr32(x,13)^rotr32(x,22)},exports.s1_256=function(x){return rotr32(x,6)^rotr32(x,11)^rotr32(x,25)},exports.g0_256=function(x){return rotr32(x,7)^rotr32(x,18)^x>>>3},exports.g1_256=function(x){return rotr32(x,17)^rotr32(x,19)^x>>>10}},{"../utils":140}],140:[function(require,module,exports){"use strict";function isSurrogatePair(msg,i){return!(55296!=(64512&msg.charCodeAt(i)))&&!(0>i||i+1>=msg.length)&&56320==(64512&msg.charCodeAt(i+1))}function htonl(w){return(w>>>24|65280&w>>>8|16711680&w<<8|(255&w)<<24)>>>0}function zero2(word){return 1===word.length?"0"+word:word}function zero8(word){return 7===word.length?"0"+word:6===word.length?"00"+word:5===word.length?"000"+word:4===word.length?"0000"+word:3===word.length?"00000"+word:2===word.length?"000000"+word:1===word.length?"0000000"+word:word}var assert=require("minimalistic-assert"),inherits=require("inherits");exports.inherits=inherits,exports.toArray=function(msg,enc){if(Array.isArray(msg))return msg.slice();if(!msg)return[];var res=[];if(!("string"==typeof msg))for(i=0;i<msg.length;i++)res[i]=0|msg[i];else if(!enc)for(var p=0,i=0,c;i<msg.length;i++)c=msg.charCodeAt(i),128>c?res[p++]=c:2048>c?(res[p++]=192|c>>6,res[p++]=128|63&c):isSurrogatePair(msg,i)?(c=65536+((1023&c)<<10)+(1023&msg.charCodeAt(++i)),res[p++]=240|c>>18,res[p++]=128|63&c>>12,res[p++]=128|63&c>>6,res[p++]=128|63&c):(res[p++]=224|c>>12,res[p++]=128|63&c>>6,res[p++]=128|63&c);else if("hex"===enc)for(msg=msg.replace(/[^a-z0-9]+/ig,""),0!=msg.length%2&&(msg="0"+msg),i=0;i<msg.length;i+=2)res.push(parseInt(msg[i]+msg[i+1],16));return res},exports.toHex=function(msg){for(var res="",i=0;i<msg.length;i++)res+=zero2(msg[i].toString(16));return res},exports.htonl=htonl,exports.toHex32=function(msg,endian){for(var res="",i=0,w;i<msg.length;i++)w=msg[i],"little"===endian&&(w=htonl(w)),res+=zero8(w.toString(16));return res},exports.zero2=zero2,exports.zero8=zero8,exports.join32=function(msg,start,end,endian){var len=end-start;assert(0==len%4);for(var res=Array(len/4),i=0,k=start;i<res.length;i++,k+=4){var w;w="big"===endian?msg[k]<<24|msg[k+1]<<16|msg[k+2]<<8|msg[k+3]:msg[k+3]<<24|msg[k+2]<<16|msg[k+1]<<8|msg[k],res[i]=w>>>0}return res},exports.split32=function(msg,endian){for(var res=Array(4*msg.length),i=0,k=0,m;i<msg.length;i++,k+=4)m=msg[i],"big"===endian?(res[k]=m>>>24,res[k+1]=255&m>>>16,res[k+2]=255&m>>>8,res[k+3]=255&m):(res[k+3]=m>>>24,res[k+2]=255&m>>>16,res[k+1]=255&m>>>8,res[k]=255&m);return res},exports.rotr32=function(w,b){return w>>>b|w<<32-b},exports.rotl32=function(w,b){return w<<b|w>>>32-b},exports.sum32=function(a,b){return a+b>>>0},exports.sum32_3=function(a,b,c){return a+b+c>>>0},exports.sum32_4=function(a,b,c,d){return a+b+c+d>>>0},exports.sum32_5=function(a,b,c,d,e){return a+b+c+d+e>>>0},exports.sum64=function(buf,pos,ah,al){var bh=buf[pos],bl=buf[pos+1],lo=al+bl>>>0,hi=(lo<al?1:0)+ah+bh;buf[pos]=hi>>>0,buf[pos+1]=lo},exports.sum64_hi=function(ah,al,bh,bl){var hi=(al+bl>>>0<al?1:0)+ah+bh;return hi>>>0},exports.sum64_lo=function(ah,al,bh,bl){return al+bl>>>0},exports.sum64_4_hi=function(ah,al,bh,bl,ch,cl,dh,dl){var carry=0,lo=al;lo=lo+bl>>>0,carry+=lo<al?1:0,lo=lo+cl>>>0,carry+=lo<cl?1:0,lo=lo+dl>>>0,carry+=lo<dl?1:0;var hi=ah+bh+ch+dh+carry;return hi>>>0},exports.sum64_4_lo=function(ah,al,bh,bl,ch,cl,dh,dl){return al+bl+cl+dl>>>0},exports.sum64_5_hi=function(ah,al,bh,bl,ch,cl,dh,dl,eh,el){var carry=0,lo=al;lo=lo+bl>>>0,carry+=lo<al?1:0,lo=lo+cl>>>0,carry+=lo<cl?1:0,lo=lo+dl>>>0,carry+=lo<dl?1:0,lo=lo+el>>>0,carry+=lo<el?1:0;var hi=ah+bh+ch+dh+eh+carry;return hi>>>0},exports.sum64_5_lo=function(ah,al,bh,bl,ch,cl,dh,dl,eh,el){return al+bl+cl+dl+el>>>0},exports.rotr64_hi=function(ah,al,num){return(al<<32-num|ah>>>num)>>>0},exports.rotr64_lo=function(ah,al,num){return(ah<<32-num|al>>>num)>>>0},exports.shr64_hi=function(ah,al,num){return ah>>>num},exports.shr64_lo=function(ah,al,num){return(ah<<32-num|al>>>num)>>>0}},{inherits:145,"minimalistic-assert":166}],141:[function(require,module){"use strict";function HmacDRBG(options){if(!(this instanceof HmacDRBG))return new HmacDRBG(options);this.hash=options.hash,this.predResist=!!options.predResist,this.outLen=this.hash.outSize,this.minEntropy=options.minEntropy||this.hash.hmacStrength,this._reseed=null,this.reseedInterval=null,this.K=null,this.V=null;var entropy=utils.toArray(options.entropy,options.entropyEnc||"hex"),nonce=utils.toArray(options.nonce,options.nonceEnc||"hex"),pers=utils.toArray(options.pers,options.persEnc||"hex");assert(entropy.length>=this.minEntropy/8,"Not enough entropy. Minimum is: "+this.minEntropy+" bits"),this._init(entropy,nonce,pers)}var hash=require("hash.js"),utils=require("minimalistic-crypto-utils"),assert=require("minimalistic-assert");module.exports=HmacDRBG,HmacDRBG.prototype._init=function(entropy,nonce,pers){var seed=entropy.concat(nonce).concat(pers);this.K=Array(this.outLen/8),this.V=Array(this.outLen/8);for(var i=0;i<this.V.length;i++)this.K[i]=0,this.V[i]=1;this._update(seed),this._reseed=1,this.reseedInterval=281474976710656},HmacDRBG.prototype._hmac=function(){return new hash.hmac(this.hash,this.K)},HmacDRBG.prototype._update=function(seed){var kmac=this._hmac().update(this.V).update([0]);seed&&(kmac=kmac.update(seed)),this.K=kmac.digest(),this.V=this._hmac().update(this.V).digest();seed&&(this.K=this._hmac().update(this.V).update([1]).update(seed).digest(),this.V=this._hmac().update(this.V).digest())},HmacDRBG.prototype.reseed=function(entropy,entropyEnc,add,addEnc){"string"!=typeof entropyEnc&&(addEnc=add,add=entropyEnc,entropyEnc=null),entropy=utils.toArray(entropy,entropyEnc),add=utils.toArray(add,addEnc),assert(entropy.length>=this.minEntropy/8,"Not enough entropy. Minimum is: "+this.minEntropy+" bits"),this._update(entropy.concat(add||[])),this._reseed=1},HmacDRBG.prototype.generate=function(len,enc,add,addEnc){if(this._reseed>this.reseedInterval)throw new Error("Reseed is required");"string"!=typeof enc&&(addEnc=add,add=enc,enc=null),add&&(add=utils.toArray(add,addEnc||"hex"),this._update(add));for(var temp=[];temp.length<len;)this.V=this._hmac().update(this.V).digest(),temp=temp.concat(this.V);var res=temp.slice(0,len);return this._update(add),this._reseed++,utils.encode(res,enc)}},{"hash.js":129,"minimalistic-assert":166,"minimalistic-crypto-utils":167}],142:[function(require,module){function validateParams(params){if("string"==typeof params&&(params=url.parse(params)),params.protocol||(params.protocol="https:"),"https:"!==params.protocol)throw new Error("Protocol \""+params.protocol+"\" not supported. Expected \"https:\"");return params}var http=require("http"),url=require("url"),https=module.exports;for(var key in http)http.hasOwnProperty(key)&&(https[key]=http[key]);https.request=function(params,cb){return params=validateParams(params),http.request.call(this,params,cb)},https.get=function(params,cb){return params=validateParams(params),http.get.call(this,params,cb)}},{http:256,url:273}],143:[function(require,module,exports){/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */exports.read=function(buffer,offset,isLE,mLen,nBytes){var eLen=8*nBytes-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,nBits=-7,i=isLE?nBytes-1:0,d=isLE?-1:1,s=buffer[offset+i],e,m;for(i+=d,e=s&(1<<-nBits)-1,s>>=-nBits,nBits+=eLen;0<nBits;e=256*e+buffer[offset+i],i+=d,nBits-=8);for(m=e&(1<<-nBits)-1,e>>=-nBits,nBits+=mLen;0<nBits;m=256*m+buffer[offset+i],i+=d,nBits-=8);if(0===e)e=1-eBias;else{if(e===eMax)return m?NaN:(s?-1:1)*(1/0);m+=_Mathpow(2,mLen),e-=eBias}return(s?-1:1)*m*_Mathpow(2,e-mLen)},exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var eLen=8*nBytes-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,rt=23===mLen?_Mathpow(2,-24)-_Mathpow(2,-77):0,i=isLE?0:nBytes-1,d=isLE?1:-1,s=0>value||0===value&&0>1/value?1:0,e,m,c;for(value=_Mathabs(value),isNaN(value)||value===1/0?(m=isNaN(value)?1:0,e=eMax):(e=_Mathfloor(_Mathlog2(value)/_MathLN),1>value*(c=_Mathpow(2,-e))&&(e--,c*=2),value+=1<=e+eBias?rt/c:rt*_Mathpow(2,1-eBias),2<=value*c&&(e++,c/=2),e+eBias>=eMax?(m=0,e=eMax):1<=e+eBias?(m=(value*c-1)*_Mathpow(2,mLen),e+=eBias):(m=value*_Mathpow(2,eBias-1)*_Mathpow(2,mLen),e=0));8<=mLen;buffer[offset+i]=255&m,i+=d,m/=256,mLen-=8);for(e=e<<mLen|m,eLen+=mLen;0<eLen;buffer[offset+i]=255&e,i+=d,e/=256,eLen-=8);buffer[offset+i-d]|=128*s}},{}],144:[function(require,module){/*! immediate-chunk-store. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */const queueMicrotask=require("queue-microtask");module.exports=class{constructor(store){if(this.store=store,this.chunkLength=store.chunkLength,!this.store||!this.store.get||!this.store.put)throw new Error("First argument must be abstract-chunk-store compliant");this.mem=[]}put(index,buf,cb=()=>{}){this.mem[index]=buf,this.store.put(index,buf,err=>{this.mem[index]=null,cb(err)})}get(index,opts,cb=()=>{}){if("function"==typeof opts)return this.get(index,null,opts);let buf=this.mem[index];if(!buf)return this.store.get(index,opts,cb);opts||(opts={});const offset=opts.offset||0,len=opts.length||buf.length-offset;(0!==offset||len!==buf.length)&&(buf=buf.slice(offset,len+offset)),queueMicrotask(()=>cb(null,buf))}close(cb=()=>{}){this.store.close(cb)}destroy(cb=()=>{}){this.store.destroy(cb)}}},{"queue-microtask":205}],145:[function(require,module){module.exports="function"==typeof Object.create?function(ctor,superCtor){superCtor&&(ctor.super_=superCtor,ctor.prototype=Object.create(superCtor.prototype,{constructor:{value:ctor,enumerable:!1,writable:!0,configurable:!0}}))}:function(ctor,superCtor){if(superCtor){ctor.super_=superCtor;var TempCtor=function(){};TempCtor.prototype=superCtor.prototype,ctor.prototype=new TempCtor,ctor.prototype.constructor=ctor}}},{}],146:[function(require,module){module.exports=function(str){for(var i=0,strLen=str.length;i<strLen;++i)if(str.charCodeAt(i)>127)return!1;return!0}},{}],147:[function(require,module){function isBuffer(obj){return!!obj.constructor&&"function"==typeof obj.constructor.isBuffer&&obj.constructor.isBuffer(obj)}function isSlowBuffer(obj){return"function"==typeof obj.readFloatLE&&"function"==typeof obj.slice&&isBuffer(obj.slice(0,0))}/*!
|
|
* Determine if an object is a Buffer
|
|
*
|
|
* @author Feross Aboukhadijeh <https://feross.org>
|
|
* @license MIT
|
|
*/module.exports=function(obj){return null!=obj&&(isBuffer(obj)||isSlowBuffer(obj)||!!obj._isBuffer)}},{}],148:[function(require,module){function isTypedArray(arr){return isStrictTypedArray(arr)||isLooseTypedArray(arr)}function isStrictTypedArray(arr){return arr instanceof Int8Array||arr instanceof Int16Array||arr instanceof Int32Array||arr instanceof Uint8Array||arr instanceof Uint8ClampedArray||arr instanceof Uint16Array||arr instanceof Uint32Array||arr instanceof Float32Array||arr instanceof Float64Array}function isLooseTypedArray(arr){return names[toString.call(arr)]}module.exports=isTypedArray,isTypedArray.strict=isStrictTypedArray,isTypedArray.loose=isLooseTypedArray;var toString=Object.prototype.toString,names={"[object Int8Array]":!0,"[object Int16Array]":!0,"[object Int32Array]":!0,"[object Uint8Array]":!0,"[object Uint8ClampedArray]":!0,"[object Uint16Array]":!0,"[object Uint32Array]":!0,"[object Float32Array]":!0,"[object Float64Array]":!0}},{}],149:[function(require,module,exports){"use strict";exports.re=()=>{throw new Error("`junk.re` was renamed to `junk.regex`")},exports.regex=new RegExp(["^npm-debug\\.log$","^\\..*\\.swp$","^\\.DS_Store$","^\\.AppleDouble$","^\\.LSOverride$","^Icon\\r$","^\\._.*","^\\.Spotlight-V100(?:$|\\/)","\\.Trashes","^__MACOSX$","~$","^Thumbs\\.db$","^ehthumbs\\.db$","^Desktop\\.ini$","@eaDir$"].join("|")),exports.is=filename=>exports.regex.test(filename),exports.not=filename=>!exports.is(filename),exports.default=module.exports},{}],150:[function(require,module,exports){exports.RateLimiter=require("./lib/rateLimiter"),exports.TokenBucket=require("./lib/tokenBucket")},{"./lib/rateLimiter":152,"./lib/tokenBucket":153}],151:[function(require,module){(function(process){(function(){module.exports=function(){if("undefined"!=typeof process&&process.hrtime){var hrtime=process.hrtime(),seconds=hrtime[0],nanoseconds=hrtime[1];return 1e3*seconds+_Mathfloor(nanoseconds/1e6)}return new Date().getTime()}}).call(this)}).call(this,require("_process"))},{_process:192}],152:[function(require,module){(function(process){(function(){var TokenBucket=require("./tokenBucket"),getMilliseconds=require("./clock"),RateLimiter=function(tokensPerInterval,interval,fireImmediately){this.tokenBucket=new TokenBucket(tokensPerInterval,tokensPerInterval,interval,null),this.tokenBucket.content=tokensPerInterval,this.curIntervalStart=getMilliseconds(),this.tokensThisInterval=0,this.fireImmediately=fireImmediately};RateLimiter.prototype={tokenBucket:null,curIntervalStart:0,tokensThisInterval:0,fireImmediately:!1,removeTokens:function(count,callback){function afterTokensRemoved(err,tokensRemaining){return err?callback(err,null):void(self.tokensThisInterval+=count,callback(null,tokensRemaining))}if(count>this.tokenBucket.bucketSize)return process.nextTick(callback.bind(null,"Requested tokens "+count+" exceeds maximum tokens per interval "+this.tokenBucket.bucketSize,null)),!1;var self=this,now=getMilliseconds();if((now<this.curIntervalStart||now-this.curIntervalStart>=this.tokenBucket.interval)&&(this.curIntervalStart=now,this.tokensThisInterval=0),count>this.tokenBucket.tokensPerInterval-this.tokensThisInterval){if(this.fireImmediately)process.nextTick(callback.bind(null,null,-1));else{var waitInterval=_Mathceil(this.curIntervalStart+this.tokenBucket.interval-now);setTimeout(function(){self.tokenBucket.removeTokens(count,afterTokensRemoved)},waitInterval)}return!1}return this.tokenBucket.removeTokens(count,afterTokensRemoved)},tryRemoveTokens:function(count){if(count>this.tokenBucket.bucketSize)return!1;var now=getMilliseconds();if((now<this.curIntervalStart||now-this.curIntervalStart>=this.tokenBucket.interval)&&(this.curIntervalStart=now,this.tokensThisInterval=0),count>this.tokenBucket.tokensPerInterval-this.tokensThisInterval)return!1;var removed=this.tokenBucket.tryRemoveTokens(count);return removed&&(this.tokensThisInterval+=count),removed},getTokensRemaining:function(){return this.tokenBucket.drip(),this.tokenBucket.content}},module.exports=RateLimiter}).call(this)}).call(this,require("_process"))},{"./clock":151,"./tokenBucket":153,_process:192}],153:[function(require,module){(function(process){(function(){var TokenBucket=function(bucketSize,tokensPerInterval,interval,parentBucket){if(this.bucketSize=bucketSize,this.tokensPerInterval=tokensPerInterval,"string"==typeof interval)switch(interval){case"sec":case"second":this.interval=1e3;break;case"min":case"minute":this.interval=60000;break;case"hr":case"hour":this.interval=3600000;break;case"day":this.interval=86400000;break;default:throw new Error("Invaid interval "+interval);}else this.interval=interval;this.parentBucket=parentBucket,this.content=0,this.lastDrip=+new Date};TokenBucket.prototype={bucketSize:1,tokensPerInterval:1,interval:1e3,parentBucket:null,content:0,lastDrip:0,removeTokens:function(count,callback){function comeBackLater(){var waitInterval=_Mathceil((count-self.content)*(self.interval/self.tokensPerInterval));return setTimeout(function(){self.removeTokens(count,callback)},waitInterval),!1}var self=this;return this.bucketSize?count>this.bucketSize?(process.nextTick(callback.bind(null,"Requested tokens "+count+" exceeds bucket size "+this.bucketSize,null)),!1):(this.drip(),count>this.content?comeBackLater():this.parentBucket?this.parentBucket.removeTokens(count,function(err,remainingTokens){return err?callback(err,null):count>self.content?comeBackLater():void(self.content-=count,callback(null,_Mathmin(remainingTokens,self.content)))}):(this.content-=count,process.nextTick(callback.bind(null,null,this.content)),!0)):(process.nextTick(callback.bind(null,null,count,Number.POSITIVE_INFINITY)),!0)},tryRemoveTokens:function(count){return!this.bucketSize||!(count>this.bucketSize)&&(this.drip(),!(count>this.content))&&(!this.parentBucket||this.parentBucket.tryRemoveTokens(count))&&(this.content-=count,!0)},drip:function(){if(!this.tokensPerInterval)return void(this.content=this.bucketSize);var now=+new Date,deltaMS=_Mathmax(now-this.lastDrip,0);this.lastDrip=now;var dripAmount=deltaMS*(this.tokensPerInterval/this.interval);this.content=_Mathmin(this.content+dripAmount,this.bucketSize)}},module.exports=TokenBucket}).call(this)}).call(this,require("_process"))},{_process:192}],154:[function(require,module){function LRU(opts){return this instanceof LRU?void("number"==typeof opts&&(opts={max:opts}),!opts&&(opts={}),events.EventEmitter.call(this),this.cache={},this.head=this.tail=null,this.length=0,this.max=opts.max||1e3,this.maxAge=opts.maxAge||0):new LRU(opts)}var events=require("events"),inherits=require("inherits");module.exports=LRU,inherits(LRU,events.EventEmitter),Object.defineProperty(LRU.prototype,"keys",{get:function(){return Object.keys(this.cache)}}),LRU.prototype.clear=function(){this.cache={},this.head=this.tail=null,this.length=0},LRU.prototype.remove=function(key){if("string"!=typeof key&&(key=""+key),!!this.cache.hasOwnProperty(key)){var element=this.cache[key];return delete this.cache[key],this._unlink(key,element.prev,element.next),element.value}},LRU.prototype._unlink=function(key,prev,next){this.length--,0===this.length?this.head=this.tail=null:this.head===key?(this.head=prev,this.cache[this.head].next=null):this.tail===key?(this.tail=next,this.cache[this.tail].prev=null):(this.cache[prev].next=next,this.cache[next].prev=prev)},LRU.prototype.peek=function(key){if(this.cache.hasOwnProperty(key)){var element=this.cache[key];return this._checkAge(key,element)?element.value:void 0}},LRU.prototype.set=function(key,value){"string"!=typeof key&&(key=""+key);var element;if(this.cache.hasOwnProperty(key)){if(element=this.cache[key],element.value=value,this.maxAge&&(element.modified=Date.now()),key===this.head)return value;this._unlink(key,element.prev,element.next)}else element={value:value,modified:0,next:null,prev:null},this.maxAge&&(element.modified=Date.now()),this.cache[key]=element,this.length===this.max&&this.evict();return this.length++,element.next=null,element.prev=this.head,this.head&&(this.cache[this.head].next=key),this.head=key,this.tail||(this.tail=key),value},LRU.prototype._checkAge=function(key,element){return!(this.maxAge&&Date.now()-element.modified>this.maxAge)||(this.remove(key),this.emit("evict",{key:key,value:element.value}),!1)},LRU.prototype.get=function(key){if("string"!=typeof key&&(key=""+key),!!this.cache.hasOwnProperty(key)){var element=this.cache[key];if(this._checkAge(key,element))return this.head!==key&&(key===this.tail?(this.tail=element.next,this.cache[this.tail].prev=null):this.cache[element.prev].next=element.next,this.cache[element.next].prev=element.prev,this.cache[this.head].next=key,element.prev=this.head,element.next=null,this.head=key),element.value}},LRU.prototype.evict=function(){if(this.tail){var key=this.tail,value=this.remove(this.tail);this.emit("evict",{key:key,value:value})}}},{events:122,inherits:145}],155:[function(require,module){(function(Buffer){(function(){/*! lt_donthave. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const arrayRemove=require("unordered-array-remove"),{EventEmitter}=require("events"),debug=require("debug")("lt_donthave");module.exports=()=>{class ltDontHave extends EventEmitter{constructor(wire){super(),this._peerSupports=!1,this._wire=wire}onExtendedHandshake(){this._peerSupports=!0}onMessage(buf){let index;try{index=buf.readUInt32BE()}catch(err){return}this._wire.peerPieces.get(index)&&(debug("got donthave %d",index),this._wire.peerPieces.set(index,!1),this.emit("donthave",index),this._failRequests(index))}donthave(index){if(this._peerSupports){debug("donthave %d",index);const buf=Buffer.alloc(4);buf.writeUInt32BE(index),this._wire.extended("lt_donthave",buf)}}_failRequests(index){const requests=this._wire.requests;for(let i=0;i<requests.length;i++){const req=requests[i];req.piece===index&&(arrayRemove(requests,i),i-=1,this._wire._callback(req,new Error("peer sent donthave"),null))}}}return ltDontHave.prototype.name="lt_donthave",ltDontHave}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75,debug:90,events:122,"unordered-array-remove":272}],156:[function(require,module){(function(Buffer){(function(){function magnetURIDecode(uri){const result={},data=uri.split("magnet:?")[1],params=data&&0<=data.length?data.split("&"):[];params.forEach(param=>{const keyval=param.split("=");if(2!==keyval.length)return;const key=keyval[0];let val=keyval[1];"dn"===key&&(val=decodeURIComponent(val).replace(/\+/g," ")),("tr"===key||"xs"===key||"as"===key||"ws"===key)&&(val=decodeURIComponent(val)),"kt"===key&&(val=decodeURIComponent(val).split("+")),"ix"===key&&(val=+val),"so"===key&&(val=bep53Range.parse(decodeURIComponent(val).split(","))),result[key]?(!Array.isArray(result[key])&&(result[key]=[result[key]]),result[key].push(val)):result[key]=val});let m;if(result.xt){const xts=Array.isArray(result.xt)?result.xt:[result.xt];xts.forEach(xt=>{if(m=xt.match(/^urn:btih:(.{40})/))result.infoHash=m[1].toLowerCase();else if(m=xt.match(/^urn:btih:(.{32})/)){const decodedStr=base32.decode(m[1]);result.infoHash=Buffer.from(decodedStr,"binary").toString("hex")}else(m=xt.match(/^urn:btmh:1220(.{64})/))&&(result.infoHashV2=m[1].toLowerCase())})}if(result.xs){const xss=Array.isArray(result.xs)?result.xs:[result.xs];xss.forEach(xs=>{(m=xs.match(/^urn:btpk:(.{64})/))&&(result.publicKey=m[1].toLowerCase())})}return result.infoHash&&(result.infoHashBuffer=Buffer.from(result.infoHash,"hex")),result.infoHashV2&&(result.infoHashV2Buffer=Buffer.from(result.infoHashV2,"hex")),result.publicKey&&(result.publicKeyBuffer=Buffer.from(result.publicKey,"hex")),result.dn&&(result.name=result.dn),result.kt&&(result.keywords=result.kt),result.announce=[],("string"==typeof result.tr||Array.isArray(result.tr))&&(result.announce=result.announce.concat(result.tr)),result.urlList=[],("string"==typeof result.as||Array.isArray(result.as))&&(result.urlList=result.urlList.concat(result.as)),("string"==typeof result.ws||Array.isArray(result.ws))&&(result.urlList=result.urlList.concat(result.ws)),result.peerAddresses=[],("string"==typeof result["x.pe"]||Array.isArray(result["x.pe"]))&&(result.peerAddresses=result.peerAddresses.concat(result["x.pe"])),result.announce=Array.from(new Set(result.announce)),result.urlList=Array.from(new Set(result.urlList)),result.peerAddresses=Array.from(new Set(result.peerAddresses)),result}module.exports=magnetURIDecode,module.exports.decode=magnetURIDecode,module.exports.encode=function(obj){obj=Object.assign({},obj);let xts=new Set;obj.xt&&"string"==typeof obj.xt&&xts.add(obj.xt),obj.xt&&Array.isArray(obj.xt)&&(xts=new Set(obj.xt)),obj.infoHashBuffer&&xts.add(`urn:btih:${obj.infoHashBuffer.toString("hex")}`),obj.infoHash&&xts.add(`urn:btih:${obj.infoHash}`),obj.infoHashV2Buffer&&xts.add(obj.xt=`urn:btmh:1220${obj.infoHashV2Buffer.toString("hex")}`),obj.infoHashV2&&xts.add(`urn:btmh:1220${obj.infoHashV2}`);const xtsDeduped=Array.from(xts);1===xtsDeduped.length&&(obj.xt=xtsDeduped[0]),1<xtsDeduped.length&&(obj.xt=xtsDeduped),obj.publicKeyBuffer&&(obj.xs=`urn:btpk:${obj.publicKeyBuffer.toString("hex")}`),obj.publicKey&&(obj.xs=`urn:btpk:${obj.publicKey}`),obj.name&&(obj.dn=obj.name),obj.keywords&&(obj.kt=obj.keywords),obj.announce&&(obj.tr=obj.announce),obj.urlList&&(obj.ws=obj.urlList,delete obj.as),obj.peerAddresses&&(obj["x.pe"]=obj.peerAddresses);let result="magnet:?";return Object.keys(obj).filter(key=>2===key.length||"x.pe"===key).forEach((key,i)=>{const values=Array.isArray(obj[key])?obj[key]:[obj[key]];values.forEach((val,j)=>{(0<i||0<j)&&("kt"!==key&&"so"!==key||0===j)&&(result+="&"),"dn"===key&&(val=encodeURIComponent(val).replace(/%20/g,"+")),("tr"===key||"as"===key||"ws"===key)&&(val=encodeURIComponent(val)),"xs"!==key||val.startsWith("urn:btpk:")||(val=encodeURIComponent(val)),"kt"===key&&(val=encodeURIComponent(val)),"so"===key||("kt"===key&&0<j?result+=`+${val}`:result+=`${key}=${val}`)}),"so"===key&&(result+=`${key}=${bep53Range.compose(values)}`)}),result};const base32=require("thirty-two"),bep53Range=require("bep53-range")}).call(this)}).call(this,require("buffer").Buffer)},{"bep53-range":29,buffer:75,"thirty-two":265}],157:[function(require,module){"use strict";function MD5(){HashBase.call(this,64),this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878}function rotl(x,n){return x<<n|x>>>32-n}function fnF(a,b,c,d,m,k,s){return 0|rotl(0|a+(b&c|~b&d)+m+k,s)+b}function fnG(a,b,c,d,m,k,s){return 0|rotl(0|a+(b&d|c&~d)+m+k,s)+b}function fnH(a,b,c,d,m,k,s){return 0|rotl(0|a+(b^c^d)+m+k,s)+b}function fnI(a,b,c,d,m,k,s){return 0|rotl(0|a+(c^(b|~d))+m+k,s)+b}var inherits=require("inherits"),HashBase=require("hash-base"),Buffer=require("safe-buffer").Buffer,ARRAY16=Array(16);inherits(MD5,HashBase),MD5.prototype._update=function(){for(var M=ARRAY16,i=0;16>i;++i)M[i]=this._block.readInt32LE(4*i);var a=this._a,b=this._b,c=this._c,d=this._d;a=fnF(a,b,c,d,M[0],3614090360,7),d=fnF(d,a,b,c,M[1],3905402710,12),c=fnF(c,d,a,b,M[2],606105819,17),b=fnF(b,c,d,a,M[3],3250441966,22),a=fnF(a,b,c,d,M[4],4118548399,7),d=fnF(d,a,b,c,M[5],1200080426,12),c=fnF(c,d,a,b,M[6],2821735955,17),b=fnF(b,c,d,a,M[7],4249261313,22),a=fnF(a,b,c,d,M[8],1770035416,7),d=fnF(d,a,b,c,M[9],2336552879,12),c=fnF(c,d,a,b,M[10],4294925233,17),b=fnF(b,c,d,a,M[11],2304563134,22),a=fnF(a,b,c,d,M[12],1804603682,7),d=fnF(d,a,b,c,M[13],4254626195,12),c=fnF(c,d,a,b,M[14],2792965006,17),b=fnF(b,c,d,a,M[15],1236535329,22),a=fnG(a,b,c,d,M[1],4129170786,5),d=fnG(d,a,b,c,M[6],3225465664,9),c=fnG(c,d,a,b,M[11],643717713,14),b=fnG(b,c,d,a,M[0],3921069994,20),a=fnG(a,b,c,d,M[5],3593408605,5),d=fnG(d,a,b,c,M[10],38016083,9),c=fnG(c,d,a,b,M[15],3634488961,14),b=fnG(b,c,d,a,M[4],3889429448,20),a=fnG(a,b,c,d,M[9],568446438,5),d=fnG(d,a,b,c,M[14],3275163606,9),c=fnG(c,d,a,b,M[3],4107603335,14),b=fnG(b,c,d,a,M[8],1163531501,20),a=fnG(a,b,c,d,M[13],2850285829,5),d=fnG(d,a,b,c,M[2],4243563512,9),c=fnG(c,d,a,b,M[7],1735328473,14),b=fnG(b,c,d,a,M[12],2368359562,20),a=fnH(a,b,c,d,M[5],4294588738,4),d=fnH(d,a,b,c,M[8],2272392833,11),c=fnH(c,d,a,b,M[11],1839030562,16),b=fnH(b,c,d,a,M[14],4259657740,23),a=fnH(a,b,c,d,M[1],2763975236,4),d=fnH(d,a,b,c,M[4],1272893353,11),c=fnH(c,d,a,b,M[7],4139469664,16),b=fnH(b,c,d,a,M[10],3200236656,23),a=fnH(a,b,c,d,M[13],681279174,4),d=fnH(d,a,b,c,M[0],3936430074,11),c=fnH(c,d,a,b,M[3],3572445317,16),b=fnH(b,c,d,a,M[6],76029189,23),a=fnH(a,b,c,d,M[9],3654602809,4),d=fnH(d,a,b,c,M[12],3873151461,11),c=fnH(c,d,a,b,M[15],530742520,16),b=fnH(b,c,d,a,M[2],3299628645,23),a=fnI(a,b,c,d,M[0],4096336452,6),d=fnI(d,a,b,c,M[7],1126891415,10),c=fnI(c,d,a,b,M[14],2878612391,15),b=fnI(b,c,d,a,M[5],4237533241,21),a=fnI(a,b,c,d,M[12],1700485571,6),d=fnI(d,a,b,c,M[3],2399980690,10),c=fnI(c,d,a,b,M[10],4293915773,15),b=fnI(b,c,d,a,M[1],2240044497,21),a=fnI(a,b,c,d,M[8],1873313359,6),d=fnI(d,a,b,c,M[15],4264355552,10),c=fnI(c,d,a,b,M[6],2734768916,15),b=fnI(b,c,d,a,M[13],1309151649,21),a=fnI(a,b,c,d,M[4],4149444226,6),d=fnI(d,a,b,c,M[11],3174756917,10),c=fnI(c,d,a,b,M[2],718787259,15),b=fnI(b,c,d,a,M[9],3951481745,21),this._a=0|this._a+a,this._b=0|this._b+b,this._c=0|this._c+c,this._d=0|this._d+d},MD5.prototype._digest=function(){this._block[this._blockOffset++]=128,56<this._blockOffset&&(this._block.fill(0,this._blockOffset,64),this._update(),this._blockOffset=0),this._block.fill(0,this._blockOffset,56),this._block.writeUInt32LE(this._length[0],56),this._block.writeUInt32LE(this._length[1],60),this._update();var buffer=Buffer.allocUnsafe(16);return buffer.writeInt32LE(this._a,0),buffer.writeInt32LE(this._b,4),buffer.writeInt32LE(this._c,8),buffer.writeInt32LE(this._d,12),buffer},module.exports=MD5},{"hash-base":128,inherits:145,"safe-buffer":234}],158:[function(require,module){function MediaElementWrapper(elem,opts){var self=this;if(!(self instanceof MediaElementWrapper))return new MediaElementWrapper(elem,opts);if(!MediaSource)throw new Error("web browser lacks MediaSource support");opts||(opts={}),self._debug=opts.debug,self._bufferDuration=opts.bufferDuration||60,self._elem=elem,self._mediaSource=new MediaSource,self._streams=[],self.detailedError=null,self._errorHandler=function(){self._elem.removeEventListener("error",self._errorHandler);var streams=self._streams.slice();streams.forEach(function(stream){stream.destroy(self._elem.error)})},self._elem.addEventListener("error",self._errorHandler),self._elem.src=window.URL.createObjectURL(self._mediaSource)}function MediaSourceStream(wrapper,obj){var self=this;if(stream.Writable.call(self),self._wrapper=wrapper,self._elem=wrapper._elem,self._mediaSource=wrapper._mediaSource,self._allStreams=wrapper._streams,self._allStreams.push(self),self._bufferDuration=wrapper._bufferDuration,self._sourceBuffer=null,self._debugBuffers=[],self._openHandler=function(){self._onSourceOpen()},self._flowHandler=function(){self._flow()},self._errorHandler=function(err){self.destroyed||self.emit("error",err)},"string"==typeof obj)self._type=obj,"open"===self._mediaSource.readyState?self._createSourceBuffer():self._mediaSource.addEventListener("sourceopen",self._openHandler);else if(null===obj._sourceBuffer)obj.destroy(),self._type=obj._type,self._mediaSource.addEventListener("sourceopen",self._openHandler);else if(obj._sourceBuffer)obj.destroy(),self._type=obj._type,self._sourceBuffer=obj._sourceBuffer,self._debugBuffers=obj._debugBuffers,self._sourceBuffer.addEventListener("updateend",self._flowHandler),self._sourceBuffer.addEventListener("error",self._errorHandler);else throw new Error("The argument to MediaElementWrapper.createWriteStream must be a string or a previous stream returned from that function");self._elem.addEventListener("timeupdate",self._flowHandler),self.on("error",function(err){self._wrapper.error(err)}),self.on("finish",function(){if(!self.destroyed&&(self._finished=!0,self._allStreams.every(function(other){return other._finished}))){self._wrapper._dumpDebugData();try{self._mediaSource.endOfStream()}catch(err){}}})}function downloadBuffers(bufs,name){var a=document.createElement("a");a.href=window.URL.createObjectURL(new window.Blob(bufs)),a.download=name,a.click()}module.exports=MediaElementWrapper;var inherits=require("inherits"),stream=require("readable-stream"),toArrayBuffer=require("to-arraybuffer"),MediaSource="undefined"!=typeof window&&window.MediaSource;MediaElementWrapper.prototype.createWriteStream=function(obj){var self=this;return new MediaSourceStream(self,obj)},MediaElementWrapper.prototype.error=function(err){var self=this;self.detailedError||(self.detailedError=err),self._dumpDebugData();try{self._mediaSource.endOfStream("decode")}catch(err){}try{window.URL.revokeObjectURL(self._elem.src)}catch(err){}},MediaElementWrapper.prototype._dumpDebugData=function(){var self=this;self._debug&&(self._debug=!1,self._streams.forEach(function(stream,i){downloadBuffers(stream._debugBuffers,"mediasource-stream-"+i)}))},inherits(MediaSourceStream,stream.Writable),MediaSourceStream.prototype._onSourceOpen=function(){var self=this;self.destroyed||(self._mediaSource.removeEventListener("sourceopen",self._openHandler),self._createSourceBuffer())},MediaSourceStream.prototype.destroy=function(err){var self=this;self.destroyed||(self.destroyed=!0,self._allStreams.splice(self._allStreams.indexOf(self),1),self._mediaSource.removeEventListener("sourceopen",self._openHandler),self._elem.removeEventListener("timeupdate",self._flowHandler),self._sourceBuffer&&(self._sourceBuffer.removeEventListener("updateend",self._flowHandler),self._sourceBuffer.removeEventListener("error",self._errorHandler),"open"===self._mediaSource.readyState&&self._sourceBuffer.abort()),err&&self.emit("error",err),self.emit("close"))},MediaSourceStream.prototype._createSourceBuffer=function(){var self=this;if(!self.destroyed)if(!MediaSource.isTypeSupported(self._type))self.destroy(new Error("The provided type is not supported"));else if(self._sourceBuffer=self._mediaSource.addSourceBuffer(self._type),self._sourceBuffer.addEventListener("updateend",self._flowHandler),self._sourceBuffer.addEventListener("error",self._errorHandler),self._cb){var cb=self._cb;self._cb=null,cb()}},MediaSourceStream.prototype._write=function(chunk,encoding,cb){var self=this;if(!self.destroyed){if(!self._sourceBuffer)return void(self._cb=function(err){return err?cb(err):void self._write(chunk,encoding,cb)});if(self._sourceBuffer.updating)return cb(new Error("Cannot append buffer while source buffer updating"));var arr=toArrayBuffer(chunk);self._wrapper._debug&&self._debugBuffers.push(arr);try{self._sourceBuffer.appendBuffer(arr)}catch(err){return void self.destroy(err)}self._cb=cb}},MediaSourceStream.prototype._flow=function(){var self=this;if(!(self.destroyed||!self._sourceBuffer||self._sourceBuffer.updating)&&!("open"===self._mediaSource.readyState&&self._getBufferDuration()>self._bufferDuration)&&self._cb){var cb=self._cb;self._cb=null,cb()}};MediaSourceStream.prototype._getBufferDuration=function(){for(var self=this,buffered=self._sourceBuffer.buffered,currentTime=self._elem.currentTime,bufferEnd=-1,i=0;i<buffered.length;i++){var start=buffered.start(i),end=buffered.end(i)+0;if(start>currentTime)break;else(0<=bufferEnd||currentTime<=end)&&(bufferEnd=end)}var bufferedTime=bufferEnd-currentTime;return 0>bufferedTime&&(bufferedTime=0),bufferedTime}},{inherits:145,"readable-stream":227,"to-arraybuffer":267}],159:[function(require,module){function Storage(chunkLength,opts){if(!(this instanceof Storage))return new Storage(chunkLength,opts);if(opts||(opts={}),this.chunkLength=+chunkLength,!this.chunkLength)throw new Error("First argument must be a chunk length");this.chunks=[],this.closed=!1,this.length=+opts.length||1/0,this.length!==1/0&&(this.lastChunkLength=this.length%this.chunkLength||this.chunkLength,this.lastChunkIndex=_Mathceil(this.length/this.chunkLength)-1)}module.exports=Storage;const queueMicrotask=require("queue-microtask");Storage.prototype.put=function(index,buf,cb=()=>{}){if(this.closed)return queueMicrotask(()=>cb(new Error("Storage is closed")));const isLastChunk=index===this.lastChunkIndex;return isLastChunk&&buf.length!==this.lastChunkLength?queueMicrotask(()=>cb(new Error("Last chunk length must be "+this.lastChunkLength))):isLastChunk||buf.length===this.chunkLength?void(this.chunks[index]=buf,queueMicrotask(()=>cb(null))):queueMicrotask(()=>cb(new Error("Chunk length must be "+this.chunkLength)))},Storage.prototype.get=function(index,opts,cb=()=>{}){if("function"==typeof opts)return this.get(index,null,opts);if(this.closed)return queueMicrotask(()=>cb(new Error("Storage is closed")));let buf=this.chunks[index];if(!buf){const err=new Error("Chunk not found");return err.notFound=!0,queueMicrotask(()=>cb(err))}opts||(opts={});const offset=opts.offset||0,len=opts.length||buf.length-offset;(0!==offset||len!==buf.length)&&(buf=buf.slice(offset,len+offset)),queueMicrotask(()=>cb(null,buf))},Storage.prototype.close=Storage.prototype.destroy=function(cb=()=>{}){return this.closed?queueMicrotask(()=>cb(new Error("Storage is closed"))):void(this.closed=!0,this.chunks=null,queueMicrotask(()=>cb(null)))}},{"queue-microtask":205}],160:[function(require,module){function MillerRabin(rand){this.rand=rand||new brorand.Rand}var bn=require("bn.js"),brorand=require("brorand");module.exports=MillerRabin,MillerRabin.create=function(rand){return new MillerRabin(rand)},MillerRabin.prototype._randbelow=function(n){var len=n.bitLength(),min_bytes=_Mathceil(len/8);do var a=new bn(this.rand.generate(min_bytes));while(0<=a.cmp(n));return a},MillerRabin.prototype._randrange=function(start,stop){var size=stop.sub(start);return start.add(this._randbelow(size))},MillerRabin.prototype.test=function(n,k,cb){var len=n.bitLength(),red=bn.mont(n),rone=new bn(1).toRed(red);k||(k=_Mathmax(1,0|len/48));for(var n1=n.subn(1),s=0;!n1.testn(s);s++);for(var d=n.shrn(s),rn1=n1.toRed(red),prime=!0;0<k;k--){var a=this._randrange(new bn(2),n1);cb&&cb(a);var x=a.toRed(red).redPow(d);if(0!==x.cmp(rone)&&0!==x.cmp(rn1)){for(var i=1;i<s;i++){if(x=x.redSqr(),0===x.cmp(rone))return!1;if(0===x.cmp(rn1))break}if(i===s)return!1}}return prime},MillerRabin.prototype.getDivisor=function(n,k){var len=n.bitLength(),red=bn.mont(n),rone=new bn(1).toRed(red);k||(k=_Mathmax(1,0|len/48));for(var n1=n.subn(1),s=0;!n1.testn(s);s++);for(var d=n.shrn(s),rn1=n1.toRed(red);0<k;k--){var a=this._randrange(new bn(2),n1),g=n.gcd(a);if(0!==g.cmpn(1))return g;var x=a.toRed(red).redPow(d);if(0!==x.cmp(rone)&&0!==x.cmp(rn1)){for(var i=1;i<s;i++){if(x=x.redSqr(),0===x.cmp(rone))return x.fromRed().subn(1).gcd(n);if(0===x.cmp(rn1))break}if(i===s)return 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Pass `force=true` to allow this, otherwise remove \""+ext+"\" from the list of extensions for \""+type+"\".");this._types[ext]=type}}if(force||!this._extensions[type]){const ext=extensions[0];this._extensions[type]="*"===ext[0]?ext.substr(1):ext}}},Mime.prototype.getType=function(path){path=path+"";let last=path.replace(/^.*[/\\]/,"").toLowerCase(),ext=last.replace(/^.*\./,"").toLowerCase(),hasPath=last.length<path.length,hasDot=ext.length<last.length-1;return(hasDot||!hasPath)&&this._types[ext]||null},Mime.prototype.getExtension=function(type){return type=/^\s*([^;\s]*)/.test(type)&&RegExp.$1,type&&this._extensions[type.toLowerCase()]||null},module.exports=Mime},{}],163:[function(require,module){"use strict";let Mime=require("./Mime");module.exports=new 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Date,buf,4),buf.writeUInt32BE(box.timeScale||0,8),buf.writeUInt32BE(box.duration||0,12),writeFixed32(box.preferredRate||0,buf,16),writeFixed16(box.preferredVolume||0,buf,20),writeReserved(buf,22,32),writeMatrix(box.matrix,buf,32),buf.writeUInt32BE(box.previewTime||0,68),buf.writeUInt32BE(box.previewDuration||0,72),buf.writeUInt32BE(box.posterTime||0,76),buf.writeUInt32BE(box.selectionTime||0,80),buf.writeUInt32BE(box.selectionDuration||0,84),buf.writeUInt32BE(box.currentTime||0,88),buf.writeUInt32BE(box.nextTrackId||0,92),exports.mvhd.encode.bytes=96,buf},exports.mvhd.decode=function(buf,offset){return buf=buf.slice(offset),{ctime:readDate(buf,0),mtime:readDate(buf,4),timeScale:buf.readUInt32BE(8),duration:buf.readUInt32BE(12),preferredRate:readFixed32(buf,16),preferredVolume:readFixed16(buf,20),matrix:readMatrix(buf.slice(32,68)),previewTime:buf.readUInt32BE(68),previewDuration:buf.readUInt32BE(72),posterTime:buf.readUInt32BE(76),selectionTime:buf.readUInt32BE(80),selectionDuration:buf.readUInt32BE(84),currentTime:buf.readUInt32BE(88),nextTrackId:buf.readUInt32BE(92)}},exports.mvhd.encodingLength=function(){return 96},exports.tkhd={},exports.tkhd.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(80),writeDate(box.ctime||new Date,buf,0),writeDate(box.mtime||new Date,buf,4),buf.writeUInt32BE(box.trackId||0,8),writeReserved(buf,12,16),buf.writeUInt32BE(box.duration||0,16),writeReserved(buf,20,28),buf.writeUInt16BE(box.layer||0,28),buf.writeUInt16BE(box.alternateGroup||0,30),buf.writeUInt16BE(box.volume||0,32),writeMatrix(box.matrix,buf,36),buf.writeUInt32BE(box.trackWidth||0,72),buf.writeUInt32BE(box.trackHeight||0,76),exports.tkhd.encode.bytes=80,buf},exports.tkhd.decode=function(buf,offset){return buf=buf.slice(offset),{ctime:readDate(buf,0),mtime:readDate(buf,4),trackId:buf.readUInt32BE(8),duration:buf.readUInt32BE(16),layer:buf.readUInt16BE(28),alternateGroup:buf.readUInt16BE(30),volume:buf.readUInt16BE(32),matrix:readMatrix(buf.slice(36,72)),trackWidth:buf.readUInt32BE(72),trackHeight:buf.readUInt32BE(76)}},exports.tkhd.encodingLength=function(){return 80},exports.mdhd={},exports.mdhd.encode=function(box,buf,offset){return 1===box.version?(buf=buf?buf.slice(offset):Buffer.alloc(32),writeDate64(box.ctime||new Date,buf,0),writeDate64(box.mtime||new Date,buf,8),buf.writeUInt32BE(box.timeScale||0,16),buf.writeUIntBE(box.duration||0,20,6),buf.writeUInt16BE(box.language||0,28),buf.writeUInt16BE(box.quality||0,30),exports.mdhd.encode.bytes=32,buf):(buf=buf?buf.slice(offset):Buffer.alloc(20),writeDate(box.ctime||new Date,buf,0),writeDate(box.mtime||new Date,buf,4),buf.writeUInt32BE(box.timeScale||0,8),buf.writeUInt32BE(box.duration||0,12),buf.writeUInt16BE(box.language||0,16),buf.writeUInt16BE(box.quality||0,18),exports.mdhd.encode.bytes=20,buf)},exports.mdhd.decode=function(buf,offset,end){buf=buf.slice(offset);return 20!=end-offset?{ctime:readDate64(buf,0),mtime:readDate64(buf,8),timeScale:buf.readUInt32BE(16),duration:buf.readUIntBE(20,6),language:buf.readUInt16BE(28),quality:buf.readUInt16BE(30)}:{ctime:readDate(buf,0),mtime:readDate(buf,4),timeScale:buf.readUInt32BE(8),duration:buf.readUInt32BE(12),language:buf.readUInt16BE(16),quality:buf.readUInt16BE(18)}},exports.mdhd.encodingLength=function(box){return 1===box.version?32:20},exports.vmhd={},exports.vmhd.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(8),buf.writeUInt16BE(box.graphicsMode||0,0);var opcolor=box.opcolor||[0,0,0];return buf.writeUInt16BE(opcolor[0],2),buf.writeUInt16BE(opcolor[1],4),buf.writeUInt16BE(opcolor[2],6),exports.vmhd.encode.bytes=8,buf},exports.vmhd.decode=function(buf,offset){return buf=buf.slice(offset),{graphicsMode:buf.readUInt16BE(0),opcolor:[buf.readUInt16BE(2),buf.readUInt16BE(4),buf.readUInt16BE(6)]}},exports.vmhd.encodingLength=function(){return 8},exports.smhd={},exports.smhd.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(4),buf.writeUInt16BE(box.balance||0,0),writeReserved(buf,2,4),exports.smhd.encode.bytes=4,buf},exports.smhd.decode=function(buf,offset){return buf=buf.slice(offset),{balance:buf.readUInt16BE(0)}},exports.smhd.encodingLength=function(){return 4},exports.stsd={},exports.stsd.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(exports.stsd.encodingLength(box));var entries=box.entries||[];buf.writeUInt32BE(entries.length,0);for(var ptr=4,i=0,entry;i<entries.length;i++)entry=entries[i],Box.encode(entry,buf,ptr),ptr+=Box.encode.bytes;return exports.stsd.encode.bytes=ptr,buf},exports.stsd.decode=function(buf,offset,end){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),ptr=4,i=0,entry;i<num;i++)entry=Box.decode(buf,ptr,end),entries[i]=entry,ptr+=entry.length;return{entries:entries}},exports.stsd.encodingLength=function(box){var totalSize=4;if(!box.entries)return totalSize;for(var i=0;i<box.entries.length;i++)totalSize+=Box.encodingLength(box.entries[i]);return totalSize},exports.avc1=exports.VisualSampleEntry={},exports.VisualSampleEntry.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(exports.VisualSampleEntry.encodingLength(box)),writeReserved(buf,0,6),buf.writeUInt16BE(box.dataReferenceIndex||0,6),writeReserved(buf,8,24),buf.writeUInt16BE(box.width||0,24),buf.writeUInt16BE(box.height||0,26),buf.writeUInt32BE(box.hResolution||4718592,28),buf.writeUInt32BE(box.vResolution||4718592,32),writeReserved(buf,36,40),buf.writeUInt16BE(box.frameCount||1,40);var compressorName=box.compressorName||"",nameLen=_Mathmin(compressorName.length,31);buf.writeUInt8(nameLen,42),buf.write(compressorName,43,nameLen,"utf8"),buf.writeUInt16BE(box.depth||24,74),buf.writeInt16BE(-1,76);var ptr=78,children=box.children||[];children.forEach(function(child){Box.encode(child,buf,ptr),ptr+=Box.encode.bytes}),exports.VisualSampleEntry.encode.bytes=ptr},exports.VisualSampleEntry.decode=function(buf,offset,end){buf=buf.slice(offset);for(var length=end-offset,nameLen=_Mathmin(buf.readUInt8(42),31),box={dataReferenceIndex:buf.readUInt16BE(6),width:buf.readUInt16BE(24),height:buf.readUInt16BE(26),hResolution:buf.readUInt32BE(28),vResolution:buf.readUInt32BE(32),frameCount:buf.readUInt16BE(40),compressorName:buf.toString("utf8",43,43+nameLen),depth:buf.readUInt16BE(74),children:[]},ptr=78;8<=length-ptr;){var child=Box.decode(buf,ptr,length);box.children.push(child),box[child.type]=child,ptr+=child.length}return box},exports.VisualSampleEntry.encodingLength=function(box){var len=78,children=box.children||[];return children.forEach(function(child){len+=Box.encodingLength(child)}),len},exports.avcC={},exports.avcC.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(box.buffer.length),box.buffer.copy(buf),exports.avcC.encode.bytes=box.buffer.length},exports.avcC.decode=function(buf,offset,end){return buf=buf.slice(offset,end),{mimeCodec:buf.toString("hex",1,4),buffer:Buffer.from(buf)}},exports.avcC.encodingLength=function(box){return box.buffer.length},exports.mp4a=exports.AudioSampleEntry={},exports.AudioSampleEntry.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(exports.AudioSampleEntry.encodingLength(box)),writeReserved(buf,0,6),buf.writeUInt16BE(box.dataReferenceIndex||0,6),writeReserved(buf,8,16),buf.writeUInt16BE(box.channelCount||2,16),buf.writeUInt16BE(box.sampleSize||16,18),writeReserved(buf,20,24),buf.writeUInt32BE(box.sampleRate||0,24);var ptr=28,children=box.children||[];children.forEach(function(child){Box.encode(child,buf,ptr),ptr+=Box.encode.bytes}),exports.AudioSampleEntry.encode.bytes=ptr},exports.AudioSampleEntry.decode=function(buf,offset,end){buf=buf.slice(offset,end);for(var length=end-offset,box={dataReferenceIndex:buf.readUInt16BE(6),channelCount:buf.readUInt16BE(16),sampleSize:buf.readUInt16BE(18),sampleRate:buf.readUInt32BE(24),children:[]},ptr=28;8<=length-ptr;){var child=Box.decode(buf,ptr,length);box.children.push(child),box[child.type]=child,ptr+=child.length}return box},exports.AudioSampleEntry.encodingLength=function(box){var len=28,children=box.children||[];return children.forEach(function(child){len+=Box.encodingLength(child)}),len},exports.esds={},exports.esds.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(box.buffer.length),box.buffer.copy(buf,0),exports.esds.encode.bytes=box.buffer.length},exports.esds.decode=function(buf,offset,end){buf=buf.slice(offset,end);var desc=Descriptor.Descriptor.decode(buf,0,buf.length),esd="ESDescriptor"===desc.tagName?desc:{},dcd=esd.DecoderConfigDescriptor||{},oti=dcd.oti||0,dsi=dcd.DecoderSpecificInfo,audioConfig=dsi?(248&dsi.buffer.readUInt8(0))>>3:0,mimeCodec=null;return oti&&(mimeCodec=oti.toString(16),audioConfig&&(mimeCodec+="."+audioConfig)),{mimeCodec:mimeCodec,buffer:Buffer.from(buf.slice(0))}},exports.esds.encodingLength=function(box){return box.buffer.length},exports.stsz={},exports.stsz.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.stsz.encodingLength(box)),buf.writeUInt32BE(0,0),buf.writeUInt32BE(entries.length,4);for(var i=0;i<entries.length;i++)buf.writeUInt32BE(entries[i],4*i+8);return exports.stsz.encode.bytes=8+4*entries.length,buf},exports.stsz.decode=function(buf,offset){buf=buf.slice(offset);for(var size=buf.readUInt32BE(0),num=buf.readUInt32BE(4),entries=Array(num),i=0;i<num;i++)entries[i]=0===size?buf.readUInt32BE(4*i+8):size;return{entries:entries}},exports.stsz.encodingLength=function(box){return 8+4*box.entries.length},exports.stss=exports.stco={},exports.stco.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.stco.encodingLength(box)),buf.writeUInt32BE(entries.length,0);for(var i=0;i<entries.length;i++)buf.writeUInt32BE(entries[i],4*i+4);return exports.stco.encode.bytes=4+4*entries.length,buf},exports.stco.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),i=0;i<num;i++)entries[i]=buf.readUInt32BE(4*i+4);return{entries:entries}},exports.stco.encodingLength=function(box){return 4+4*box.entries.length},exports.co64={},exports.co64.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.co64.encodingLength(box)),buf.writeUInt32BE(entries.length,0);for(var i=0;i<entries.length;i++)uint64be.encode(entries[i],buf,8*i+4);return exports.co64.encode.bytes=4+8*entries.length,buf},exports.co64.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),i=0;i<num;i++)entries[i]=uint64be.decode(buf,8*i+4);return{entries:entries}},exports.co64.encodingLength=function(box){return 4+8*box.entries.length},exports.stts={},exports.stts.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.stts.encodingLength(box)),buf.writeUInt32BE(entries.length,0);for(var i=0,ptr;i<entries.length;i++)ptr=8*i+4,buf.writeUInt32BE(entries[i].count||0,ptr),buf.writeUInt32BE(entries[i].duration||0,ptr+4);return exports.stts.encode.bytes=4+8*box.entries.length,buf},exports.stts.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),i=0,ptr;i<num;i++)ptr=8*i+4,entries[i]={count:buf.readUInt32BE(ptr),duration:buf.readUInt32BE(ptr+4)};return{entries:entries}},exports.stts.encodingLength=function(box){return 4+8*box.entries.length},exports.ctts={},exports.ctts.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.ctts.encodingLength(box)),buf.writeUInt32BE(entries.length,0);for(var i=0,ptr;i<entries.length;i++)ptr=8*i+4,buf.writeUInt32BE(entries[i].count||0,ptr),buf.writeUInt32BE(entries[i].compositionOffset||0,ptr+4);return exports.ctts.encode.bytes=4+8*entries.length,buf},exports.ctts.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),i=0,ptr;i<num;i++)ptr=8*i+4,entries[i]={count:buf.readUInt32BE(ptr),compositionOffset:buf.readInt32BE(ptr+4)};return{entries:entries}},exports.ctts.encodingLength=function(box){return 4+8*box.entries.length},exports.stsc={},exports.stsc.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.stsc.encodingLength(box)),buf.writeUInt32BE(entries.length,0);for(var i=0,ptr;i<entries.length;i++)ptr=12*i+4,buf.writeUInt32BE(entries[i].firstChunk||0,ptr),buf.writeUInt32BE(entries[i].samplesPerChunk||0,ptr+4),buf.writeUInt32BE(entries[i].sampleDescriptionId||0,ptr+8);return exports.stsc.encode.bytes=4+12*entries.length,buf},exports.stsc.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),i=0,ptr;i<num;i++)ptr=12*i+4,entries[i]={firstChunk:buf.readUInt32BE(ptr),samplesPerChunk:buf.readUInt32BE(ptr+4),sampleDescriptionId:buf.readUInt32BE(ptr+8)};return{entries:entries}},exports.stsc.encodingLength=function(box){return 4+12*box.entries.length},exports.dref={},exports.dref.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(exports.dref.encodingLength(box));var entries=box.entries||[];buf.writeUInt32BE(entries.length,0);for(var ptr=4,i=0;i<entries.length;i++){var entry=entries[i],size=(entry.buf?entry.buf.length:0)+4+4;buf.writeUInt32BE(size,ptr),ptr+=4,buf.write(entry.type,ptr,4,"ascii"),ptr+=4,entry.buf&&(entry.buf.copy(buf,ptr),ptr+=entry.buf.length)}return exports.dref.encode.bytes=ptr,buf},exports.dref.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),ptr=4,i=0;i<num;i++){var size=buf.readUInt32BE(ptr),type=buf.toString("ascii",ptr+4,ptr+8),tmp=buf.slice(ptr+8,ptr+size);ptr+=size,entries[i]={type:type,buf:tmp}}return{entries:entries}},exports.dref.encodingLength=function(box){var totalSize=4;if(!box.entries)return totalSize;for(var i=0,buf;i<box.entries.length;i++)buf=box.entries[i].buf,totalSize+=(buf?buf.length:0)+4+4;return totalSize},exports.elst={},exports.elst.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.elst.encodingLength(box)),buf.writeUInt32BE(entries.length,0);for(var i=0,ptr;i<entries.length;i++)ptr=12*i+4,buf.writeUInt32BE(entries[i].trackDuration||0,ptr),buf.writeUInt32BE(entries[i].mediaTime||0,ptr+4),writeFixed32(entries[i].mediaRate||0,buf,ptr+8);return exports.elst.encode.bytes=4+12*entries.length,buf},exports.elst.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),i=0,ptr;i<num;i++)ptr=12*i+4,entries[i]={trackDuration:buf.readUInt32BE(ptr),mediaTime:buf.readInt32BE(ptr+4),mediaRate:readFixed32(buf,ptr+8)};return{entries:entries}},exports.elst.encodingLength=function(box){return 4+12*box.entries.length},exports.hdlr={},exports.hdlr.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(exports.hdlr.encodingLength(box));var len=21+(box.name||"").length;return buf.fill(0,0,len),buf.write(box.handlerType||"",4,4,"ascii"),writeString(box.name||"",buf,20),exports.hdlr.encode.bytes=len,buf},exports.hdlr.decode=function(buf,offset,end){return buf=buf.slice(offset),{handlerType:buf.toString("ascii",4,8),name:readString(buf,20,end)}},exports.hdlr.encodingLength=function(box){return 21+(box.name||"").length},exports.mehd={},exports.mehd.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(4),buf.writeUInt32BE(box.fragmentDuration||0,0),exports.mehd.encode.bytes=4,buf},exports.mehd.decode=function(buf,offset){return buf=buf.slice(offset),{fragmentDuration:buf.readUInt32BE(0)}},exports.mehd.encodingLength=function(){return 4},exports.trex={},exports.trex.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(20),buf.writeUInt32BE(box.trackId||0,0),buf.writeUInt32BE(box.defaultSampleDescriptionIndex||0,4),buf.writeUInt32BE(box.defaultSampleDuration||0,8),buf.writeUInt32BE(box.defaultSampleSize||0,12),buf.writeUInt32BE(box.defaultSampleFlags||0,16),exports.trex.encode.bytes=20,buf},exports.trex.decode=function(buf,offset){return buf=buf.slice(offset),{trackId:buf.readUInt32BE(0),defaultSampleDescriptionIndex:buf.readUInt32BE(4),defaultSampleDuration:buf.readUInt32BE(8),defaultSampleSize:buf.readUInt32BE(12),defaultSampleFlags:buf.readUInt32BE(16)}},exports.trex.encodingLength=function(){return 20},exports.mfhd={},exports.mfhd.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(4),buf.writeUInt32BE(box.sequenceNumber||0,0),exports.mfhd.encode.bytes=4,buf},exports.mfhd.decode=function(buf){return{sequenceNumber:buf.readUInt32BE(0)}},exports.mfhd.encodingLength=function(){return 4},exports.tfhd={},exports.tfhd.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(4),buf.writeUInt32BE(box.trackId,0),exports.tfhd.encode.bytes=4,buf},exports.tfhd.decode=function(){},exports.tfhd.encodingLength=function(){return 4},exports.tfdt={},exports.tfdt.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(4),buf.writeUInt32BE(box.baseMediaDecodeTime||0,0),exports.tfdt.encode.bytes=4,buf},exports.tfdt.decode=function(){},exports.tfdt.encodingLength=function(){return 4},exports.trun={},exports.trun.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(8+16*box.entries.length),buf.writeUInt32BE(box.entries.length,0),buf.writeInt32BE(box.dataOffset,4);for(var ptr=8,i=0,entry;i<box.entries.length;i++)entry=box.entries[i],buf.writeUInt32BE(entry.sampleDuration,ptr),ptr+=4,buf.writeUInt32BE(entry.sampleSize,ptr),ptr+=4,buf.writeUInt32BE(entry.sampleFlags,ptr),ptr+=4,0===(box.version||0)?buf.writeUInt32BE(entry.sampleCompositionTimeOffset,ptr):buf.writeInt32BE(entry.sampleCompositionTimeOffset,ptr),ptr+=4;exports.trun.encode.bytes=ptr},exports.trun.decode=function(){},exports.trun.encodingLength=function(box){return 8+16*box.entries.length},exports.mdat={},exports.mdat.encode=function(box,buf,offset){box.buffer?(box.buffer.copy(buf,offset),exports.mdat.encode.bytes=box.buffer.length):exports.mdat.encode.bytes=exports.mdat.encodingLength(box)},exports.mdat.decode=function(buf,start,end){return{buffer:Buffer.from(buf.slice(start,end))}},exports.mdat.encodingLength=function(box){return box.buffer?box.buffer.length:box.contentLength}}).call(this)}).call(this,require("buffer").Buffer)},{"./descriptor":169,"./index":170,buffer:75,uint64be:271}],169:[function(require,module,exports){(function(Buffer){(function(){var tagToName={3:"ESDescriptor",4:"DecoderConfigDescriptor",5:"DecoderSpecificInfo",6:"SLConfigDescriptor"};exports.Descriptor={},exports.Descriptor.decode=function(buf,start,end){var tag=buf.readUInt8(start),ptr=start+1,len=0,lenByte;do lenByte=buf.readUInt8(ptr++),len=len<<7|127&lenByte;while(128&lenByte);var tagName=tagToName[tag],obj;return obj=exports[tagName]?exports[tagName].decode(buf,ptr,end):{buffer:Buffer.from(buf.slice(ptr,ptr+len))},obj.tag=tag,obj.tagName=tagName,obj.length=ptr-start+len,obj.contentsLen=len,obj},exports.DescriptorArray={},exports.DescriptorArray.decode=function(buf,start,end){for(var ptr=start,obj={};ptr+2<=end;){var descriptor=exports.Descriptor.decode(buf,ptr,end);ptr+=descriptor.length;var tagName=tagToName[descriptor.tag]||"Descriptor"+descriptor.tag;obj[tagName]=descriptor}return obj},exports.ESDescriptor={},exports.ESDescriptor.decode=function(buf,start,end){var flags=buf.readUInt8(start+2),ptr=start+3;if(128&flags&&(ptr+=2),64&flags){var len=buf.readUInt8(ptr);ptr+=len+1}return 32&flags&&(ptr+=2),exports.DescriptorArray.decode(buf,ptr,end)},exports.DecoderConfigDescriptor={},exports.DecoderConfigDescriptor.decode=function(buf,start,end){var oti=buf.readUInt8(start),obj=exports.DescriptorArray.decode(buf,start+13,end);return obj.oti=oti,obj}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75}],170:[function(require,module,exports){(function(Buffer){(function(){var uint64be=require("uint64be"),boxes=require("./boxes"),UINT32_MAX=4294967295,Box=exports,containers=exports.containers={moov:["mvhd","meta","traks","mvex"],trak:["tkhd","tref","trgr","edts","meta","mdia","udta"],edts:["elst"],mdia:["mdhd","hdlr","elng","minf"],minf:["vmhd","smhd","hmhd","sthd","nmhd","dinf","stbl"],dinf:["dref"],stbl:["stsd","stts","ctts","cslg","stsc","stsz","stz2","stco","co64","stss","stsh","padb","stdp","sdtp","sbgps","sgpds","subss","saizs","saios"],mvex:["mehd","trexs","leva"],moof:["mfhd","meta","trafs"],traf:["tfhd","tfdt","trun","sbgps","sgpds","subss","saizs","saios","meta"]};Box.encode=function(obj,buffer,offset){return Box.encodingLength(obj),offset=offset||0,buffer=buffer||Buffer.alloc(obj.length),Box._encode(obj,buffer,offset)},Box._encode=function(obj,buffer,offset){var type=obj.type,len=obj.length;len>UINT32_MAX&&(len=1),buffer.writeUInt32BE(len,offset),buffer.write(obj.type,offset+4,4,"ascii");var ptr=offset+8;if(1===len&&(uint64be.encode(obj.length,buffer,ptr),ptr+=8),boxes.fullBoxes[type]&&(buffer.writeUInt32BE(obj.flags||0,ptr),buffer.writeUInt8(obj.version||0,ptr),ptr+=4),containers[type]){var contents=containers[type];contents.forEach(function(childType){if(5===childType.length){var entry=obj[childType]||[];childType=childType.substr(0,4),entry.forEach(function(child){Box._encode(child,buffer,ptr),ptr+=Box.encode.bytes})}else obj[childType]&&(Box._encode(obj[childType],buffer,ptr),ptr+=Box.encode.bytes)}),obj.otherBoxes&&obj.otherBoxes.forEach(function(child){Box._encode(child,buffer,ptr),ptr+=Box.encode.bytes})}else if(boxes[type]){var encode=boxes[type].encode;encode(obj,buffer,ptr),ptr+=encode.bytes}else if(obj.buffer){var buf=obj.buffer;buf.copy(buffer,ptr),ptr+=obj.buffer.length}else throw new Error("Either `type` must be set to a known type (not'"+type+"') or `buffer` must be set");return Box.encode.bytes=ptr-offset,buffer},Box.readHeaders=function(buffer,start,end){if(start=start||0,end=end||buffer.length,8>end-start)return 8;var len=buffer.readUInt32BE(start),type=buffer.toString("ascii",start+4,start+8),ptr=start+8;if(1===len){if(16>end-start)return 16;len=uint64be.decode(buffer,ptr),ptr+=8}var version,flags;return boxes.fullBoxes[type]&&(version=buffer.readUInt8(ptr),flags=16777215&buffer.readUInt32BE(ptr),ptr+=4),{length:len,headersLen:ptr-start,contentLen:len-(ptr-start),type:type,version:version,flags:flags}},Box.decode=function(buffer,start,end){start=start||0,end=end||buffer.length;var headers=Box.readHeaders(buffer,start,end);if(!headers||headers.length>end-start)throw new Error("Data too short");return Box.decodeWithoutHeaders(headers,buffer,start+headers.headersLen,start+headers.length)},Box.decodeWithoutHeaders=function(headers,buffer,start,end){start=start||0,end=end||buffer.length;var type=headers.type,obj={};if(containers[type]){obj.otherBoxes=[];for(var contents=containers[type],ptr=start,child;8<=end-ptr;)if(child=Box.decode(buffer,ptr,end),ptr+=child.length,0<=contents.indexOf(child.type))obj[child.type]=child;else if(0<=contents.indexOf(child.type+"s")){var childType=child.type+"s",entry=obj[childType]=obj[childType]||[];entry.push(child)}else obj.otherBoxes.push(child)}else if(boxes[type]){var decode=boxes[type].decode;obj=decode(buffer,start,end)}else obj.buffer=Buffer.from(buffer.slice(start,end));return obj.length=headers.length,obj.contentLen=headers.contentLen,obj.type=headers.type,obj.version=headers.version,obj.flags=headers.flags,obj},Box.encodingLength=function(obj){var type=obj.type,len=8;if(boxes.fullBoxes[type]&&(len+=4),containers[type]){var contents=containers[type];contents.forEach(function(childType){if(5===childType.length){var entry=obj[childType]||[];childType=childType.substr(0,4),entry.forEach(function(child){child.type=childType,len+=Box.encodingLength(child)})}else if(obj[childType]){var child=obj[childType];child.type=childType,len+=Box.encodingLength(child)}}),obj.otherBoxes&&obj.otherBoxes.forEach(function(child){len+=Box.encodingLength(child)})}else if(boxes[type])len+=boxes[type].encodingLength(obj);else if(obj.buffer)len+=obj.buffer.length;else throw new Error("Either `type` must be set to a known type (not'"+type+"') or `buffer` must be set");return len>UINT32_MAX&&(len+=8),obj.length=len,len}}).call(this)}).call(this,require("buffer").Buffer)},{"./boxes":168,buffer:75,uint64be:271}],171:[function(require,module){(function(Buffer){(function(){var stream=require("readable-stream"),nextEvent=require("next-event"),Box=require("mp4-box-encoding"),EMPTY=Buffer.alloc(0);class Decoder extends stream.Writable{constructor(opts){super(opts),this.destroyed=!1,this._pending=0,this._missing=0,this._ignoreEmpty=!1,this._buf=null,this._str=null,this._cb=null,this._ondrain=null,this._writeBuffer=null,this._writeCb=null,this._ondrain=null,this._kick()}destroy(err){this.destroyed||(this.destroyed=!0,err&&this.emit("error",err),this.emit("close"))}_write(data,enc,next){if(!this.destroyed){for(var drained=!this._str||!this._str._writableState.needDrain;data.length&&!this.destroyed;){if(!this._missing&&!this._ignoreEmpty)return this._writeBuffer=data,void(this._writeCb=next);var consumed=data.length<this._missing?data.length:this._missing;if(this._buf?data.copy(this._buf,this._buf.length-this._missing):this._str&&(drained=this._str.write(consumed===data.length?data:data.slice(0,consumed))),this._missing-=consumed,!this._missing){var buf=this._buf,cb=this._cb,stream=this._str;this._buf=this._cb=this._str=this._ondrain=null,drained=!0,this._ignoreEmpty=!1,stream&&stream.end(),cb&&cb(buf)}data=consumed===data.length?EMPTY:data.slice(consumed)}return this._pending&&!this._missing?(this._writeBuffer=data,void(this._writeCb=next)):void(drained?next():this._ondrain(next))}}_buffer(size,cb){this._missing=size,this._buf=Buffer.alloc(size),this._cb=cb}_stream(size,cb){return this._missing=size,this._str=new MediaData(this),this._ondrain=nextEvent(this._str,"drain"),this._pending++,this._str.on("end",()=>{this._pending--,this._kick()}),this._cb=cb,this._str}_readBox(){const bufferHeaders=(len,buf)=>{this._buffer(len,additionalBuf=>{buf=buf?Buffer.concat([buf,additionalBuf]):additionalBuf;var headers=Box.readHeaders(buf);"number"==typeof headers?bufferHeaders(headers-buf.length,buf):(this._pending++,this._headers=headers,this.emit("box",headers))})};bufferHeaders(8)}stream(){if(!this._headers)throw new Error("this function can only be called once after 'box' is emitted");var headers=this._headers;return this._headers=null,this._stream(headers.contentLen,()=>{this._pending--,this._kick()})}decode(cb){if(!this._headers)throw new Error("this function can only be called once after 'box' is emitted");var headers=this._headers;this._headers=null,this._buffer(headers.contentLen,buf=>{var box=Box.decodeWithoutHeaders(headers,buf);cb(box),this._pending--,this._kick()})}ignore(){if(!this._headers)throw new Error("this function can only be called once after 'box' is emitted");var headers=this._headers;this._headers=null,this._missing=headers.contentLen,0===this._missing&&(this._ignoreEmpty=!0),this._cb=()=>{this._pending--,this._kick()}}_kick(){if(!this._pending&&(this._buf||this._str||this._readBox(),this._writeBuffer)){var next=this._writeCb,buffer=this._writeBuffer;this._writeBuffer=null,this._writeCb=null,this._write(buffer,null,next)}}}class MediaData extends stream.PassThrough{constructor(parent){super(),this._parent=parent,this.destroyed=!1}destroy(err){this.destroyed||(this.destroyed=!0,this._parent.destroy(err),err&&this.emit("error",err),this.emit("close"))}}module.exports=Decoder}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75,"mp4-box-encoding":170,"next-event":176,"readable-stream":227}],172:[function(require,module){(function(Buffer){(function(){function noop(){}var stream=require("readable-stream"),Box=require("mp4-box-encoding"),queueMicrotask=require("queue-microtask");class Encoder extends stream.Readable{constructor(opts){super(opts),this.destroyed=!1,this._finalized=!1,this._reading=!1,this._stream=null,this._drain=null,this._want=!1,this._onreadable=()=>{this._want&&(this._want=!1,this._read())},this._onend=()=>{this._stream=null}}mdat(size,cb){this.mediaData(size,cb)}mediaData(size,cb){var stream=new MediaData(this);return this.box({type:"mdat",contentLength:size,encodeBufferLen:8,stream:stream},cb),stream}box(box,cb){if(cb||(cb=noop),this.destroyed)return cb(new Error("Encoder is destroyed"));var buf;if(box.encodeBufferLen&&(buf=Buffer.alloc(box.encodeBufferLen)),box.stream)box.buffer=null,buf=Box.encode(box,buf),this.push(buf),this._stream=box.stream,this._stream.on("readable",this._onreadable),this._stream.on("end",this._onend),this._stream.on("end",cb),this._forward();else{buf=Box.encode(box,buf);var drained=this.push(buf);if(drained)return queueMicrotask(cb);this._drain=cb}}destroy(err){if(!this.destroyed){if(this.destroyed=!0,this._stream&&this._stream.destroy&&this._stream.destroy(),this._stream=null,this._drain){var cb=this._drain;this._drain=null,cb(err)}err&&this.emit("error",err),this.emit("close")}}finalize(){this._finalized=!0,this._stream||this._drain||this.push(null)}_forward(){if(this._stream)for(;!this.destroyed;){var buf=this._stream.read();if(!buf)return void(this._want=!!this._stream);if(!this.push(buf))return}}_read(){if(!(this._reading||this.destroyed)){if(this._reading=!0,this._stream&&this._forward(),this._drain){var drain=this._drain;this._drain=null,drain()}this._reading=!1,this._finalized&&this.push(null)}}}class MediaData extends stream.PassThrough{constructor(parent){super(),this._parent=parent,this.destroyed=!1}destroy(err){this.destroyed||(this.destroyed=!0,this._parent.destroy(err),err&&this.emit("error",err),this.emit("close"))}}module.exports=Encoder}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75,"mp4-box-encoding":170,"queue-microtask":205,"readable-stream":227}],173:[function(require,module,exports){const Decoder=require("./decode"),Encoder=require("./encode");exports.decode=opts=>new Decoder(opts),exports.encode=opts=>new Encoder(opts)},{"./decode":171,"./encode":172}],174:[function(require,module){function parse(str){if(str+="",!(100<str.length)){var match=/^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(str);if(match){var n=parseFloat(match[1]),type=(match[2]||"ms").toLowerCase();return"years"===type||"year"===type||"yrs"===type||"yr"===type||"y"===type?31557600000*n:"weeks"===type||"week"===type||"w"===type?604800000*n:"days"===type||"day"===type||"d"===type?86400000*n:"hours"===type||"hour"===type||"hrs"===type||"hr"===type||"h"===type?3600000*n:"minutes"===type||"minute"===type||"mins"===type||"min"===type||"m"===type?60000*n:"seconds"===type||"second"===type||"secs"===type||"sec"===type||"s"===type?1000*n:"milliseconds"===type||"millisecond"===type||"msecs"===type||"msec"===type||"ms"===type?n:void 0}}}function fmtShort(ms){var msAbs=_Mathabs(ms);return 86400000<=msAbs?_Mathround(ms/86400000)+"d":3600000<=msAbs?_Mathround(ms/3600000)+"h":60000<=msAbs?_Mathround(ms/60000)+"m":1000<=msAbs?_Mathround(ms/1000)+"s":ms+"ms"}function fmtLong(ms){var msAbs=_Mathabs(ms);return 86400000<=msAbs?plural(ms,msAbs,86400000,"day"):3600000<=msAbs?plural(ms,msAbs,3600000,"hour"):60000<=msAbs?plural(ms,msAbs,60000,"minute"):1000<=msAbs?plural(ms,msAbs,1000,"second"):ms+" ms"}function plural(ms,msAbs,n,name){return _Mathround(ms/n)+" "+name+(msAbs>=1.5*n?"s":"")}var d=24*(60*60000);module.exports=function(val,options){options=options||{};var type=typeof val;if("string"==type&&0<val.length)return parse(val);if("number"===type&&isFinite(val))return options.long?fmtLong(val):fmtShort(val);throw new Error("val is not a non-empty string or a valid number. val="+JSON.stringify(val))}},{}],175:[function(require,module){function toStreams2Obj(s){return toStreams2(s,{objectMode:!0,highWaterMark:16})}function toStreams2Buf(s){return toStreams2(s)}function toStreams2(s,opts){if(!s||"function"==typeof s||s._readableState)return s;const wrap=new stream.Readable(opts).wrap(s);return s.destroy&&(wrap.destroy=s.destroy.bind(s)),wrap}function destroy(stream,err,cb){if(!stream.destroy||stream.destroyed)cb(err);else{const callback=once(er=>cb(er||err));stream.on("error",callback).on("close",()=>callback()).destroy(err,callback)}}/*! multistream. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */const stream=require("readable-stream"),once=require("once");class MultiStream extends stream.Readable{constructor(streams,opts){super({...opts,autoDestroy:!0}),this._drained=!1,this._forwarding=!1,this._current=null,this._toStreams2=opts&&opts.objectMode?toStreams2Obj:toStreams2Buf,"function"==typeof streams?this._queue=streams:(this._queue=streams.map(this._toStreams2),this._queue.forEach(stream=>{"function"!=typeof stream&&this._attachErrorListener(stream)})),this._next()}_read(){this._drained=!0,this._forward()}_forward(){if(!this._forwarding&&this._drained&&this._current){this._forwarding=!0;for(let chunk;this._drained&&null!==(chunk=this._current.read());)this._drained=this.push(chunk);this._forwarding=!1}}_destroy(err,cb){let streams=[];if(this._current&&streams.push(this._current),"function"!=typeof this._queue&&(streams=streams.concat(this._queue)),0===streams.length)cb(err);else{let counter=streams.length,er=err;streams.forEach(stream=>{destroy(stream,err,err=>{er=er||err,0==--counter&&cb(er)})})}}_next(){if(this._current=null,"function"==typeof this._queue)this._queue((err,stream)=>err?this.destroy(err):void(stream=this._toStreams2(stream),this._attachErrorListener(stream),this._gotNextStream(stream)));else{let stream=this._queue.shift();"function"==typeof stream&&(stream=this._toStreams2(stream()),this._attachErrorListener(stream)),this._gotNextStream(stream)}}_gotNextStream(stream){if(!stream)return void this.push(null);this._current=stream,this._forward();const onReadable=()=>{this._forward()},onClose=()=>{if(!stream._readableState.ended&&!stream.destroyed){const err=new Error("ERR_STREAM_PREMATURE_CLOSE");err.code="ERR_STREAM_PREMATURE_CLOSE",this.destroy(err)}},onEnd=()=>{this._current=null,stream.removeListener("readable",onReadable),stream.removeListener("end",onEnd),stream.removeListener("close",onClose),stream.destroy(),this._next()};stream.on("readable",onReadable),stream.once("end",onEnd),stream.once("close",onClose)}_attachErrorListener(stream){if(!stream)return;const onError=err=>{stream.removeListener("error",onError),this.destroy(err)};stream.once("error",onError)}}MultiStream.obj=streams=>new MultiStream(streams,{objectMode:!0,highWaterMark:16}),module.exports=MultiStream},{once:177,"readable-stream":227}],176:[function(require,module){module.exports=function(emitter,name){var next=null;return emitter.on(name,function(data){if(next){var fn=next;next=null,fn(data)}}),function(once){next=once}}},{}],177:[function(require,module){function once(fn){var f=function(){return f.called?f.value:(f.called=!0,f.value=fn.apply(this,arguments))};return f.called=!1,f}function onceStrict(fn){var f=function(){if(f.called)throw new Error(f.onceError);return f.called=!0,f.value=fn.apply(this,arguments)},name=fn.name||"Function wrapped with `once`";return f.onceError=name+" shouldn't be called more than once",f.called=!1,f}var wrappy=require("wrappy");module.exports=wrappy(once),module.exports.strict=wrappy(onceStrict),once.proto=once(function(){Object.defineProperty(Function.prototype,"once",{value:function(){return once(this)},configurable:!0}),Object.defineProperty(Function.prototype,"onceStrict",{value:function(){return onceStrict(this)},configurable:!0})})},{wrappy:279}],178:[function(require,module){module.exports={"2.16.840.1.101.3.4.1.1":"aes-128-ecb","2.16.840.1.101.3.4.1.2":"aes-128-cbc","2.16.840.1.101.3.4.1.3":"aes-128-ofb","2.16.840.1.101.3.4.1.4":"aes-128-cfb","2.16.840.1.101.3.4.1.21":"aes-192-ecb","2.16.840.1.101.3.4.1.22":"aes-192-cbc","2.16.840.1.101.3.4.1.23":"aes-192-ofb","2.16.840.1.101.3.4.1.24":"aes-192-cfb","2.16.840.1.101.3.4.1.41":"aes-256-ecb","2.16.840.1.101.3.4.1.42":"aes-256-cbc","2.16.840.1.101.3.4.1.43":"aes-256-ofb","2.16.840.1.101.3.4.1.44":"aes-256-cfb"}},{}],179:[function(require,module,exports){"use strict";var asn1=require("asn1.js");exports.certificate=require("./certificate");var RSAPrivateKey=asn1.define("RSAPrivateKey",function(){this.seq().obj(this.key("version").int(),this.key("modulus").int(),this.key("publicExponent").int(),this.key("privateExponent").int(),this.key("prime1").int(),this.key("prime2").int(),this.key("exponent1").int(),this.key("exponent2").int(),this.key("coefficient").int())});exports.RSAPrivateKey=RSAPrivateKey;var RSAPublicKey=asn1.define("RSAPublicKey",function(){this.seq().obj(this.key("modulus").int(),this.key("publicExponent").int())});exports.RSAPublicKey=RSAPublicKey;var PublicKey=asn1.define("SubjectPublicKeyInfo",function(){this.seq().obj(this.key("algorithm").use(AlgorithmIdentifier),this.key("subjectPublicKey").bitstr())});exports.PublicKey=PublicKey;var AlgorithmIdentifier=asn1.define("AlgorithmIdentifier",function(){this.seq().obj(this.key("algorithm").objid(),this.key("none").null_().optional(),this.key("curve").objid().optional(),this.key("params").seq().obj(this.key("p").int(),this.key("q").int(),this.key("g").int()).optional())}),PrivateKeyInfo=asn1.define("PrivateKeyInfo",function(){this.seq().obj(this.key("version").int(),this.key("algorithm").use(AlgorithmIdentifier),this.key("subjectPrivateKey").octstr())});exports.PrivateKey=PrivateKeyInfo;var EncryptedPrivateKeyInfo=asn1.define("EncryptedPrivateKeyInfo",function(){this.seq().obj(this.key("algorithm").seq().obj(this.key("id").objid(),this.key("decrypt").seq().obj(this.key("kde").seq().obj(this.key("id").objid(),this.key("kdeparams").seq().obj(this.key("salt").octstr(),this.key("iters").int())),this.key("cipher").seq().obj(this.key("algo").objid(),this.key("iv").octstr()))),this.key("subjectPrivateKey").octstr())});exports.EncryptedPrivateKey=EncryptedPrivateKeyInfo;var DSAPrivateKey=asn1.define("DSAPrivateKey",function(){this.seq().obj(this.key("version").int(),this.key("p").int(),this.key("q").int(),this.key("g").int(),this.key("pub_key").int(),this.key("priv_key").int())});exports.DSAPrivateKey=DSAPrivateKey,exports.DSAparam=asn1.define("DSAparam",function(){this.int()});var ECPrivateKey=asn1.define("ECPrivateKey",function(){this.seq().obj(this.key("version").int(),this.key("privateKey").octstr(),this.key("parameters").optional().explicit(0).use(ECParameters),this.key("publicKey").optional().explicit(1).bitstr())});exports.ECPrivateKey=ECPrivateKey;var ECParameters=asn1.define("ECParameters",function(){this.choice({namedCurve:this.objid()})});exports.signature=asn1.define("signature",function(){this.seq().obj(this.key("r").int(),this.key("s").int())})},{"./certificate":180,"asn1.js":8}],180:[function(require,module){"use strict";var asn=require("asn1.js"),Time=asn.define("Time",function(){this.choice({utcTime:this.utctime(),generalTime:this.gentime()})}),AttributeTypeValue=asn.define("AttributeTypeValue",function(){this.seq().obj(this.key("type").objid(),this.key("value").any())}),AlgorithmIdentifier=asn.define("AlgorithmIdentifier",function(){this.seq().obj(this.key("algorithm").objid(),this.key("parameters").optional(),this.key("curve").objid().optional())}),SubjectPublicKeyInfo=asn.define("SubjectPublicKeyInfo",function(){this.seq().obj(this.key("algorithm").use(AlgorithmIdentifier),this.key("subjectPublicKey").bitstr())}),RelativeDistinguishedName=asn.define("RelativeDistinguishedName",function(){this.setof(AttributeTypeValue)}),RDNSequence=asn.define("RDNSequence",function(){this.seqof(RelativeDistinguishedName)}),Name=asn.define("Name",function(){this.choice({rdnSequence:this.use(RDNSequence)})}),Validity=asn.define("Validity",function(){this.seq().obj(this.key("notBefore").use(Time),this.key("notAfter").use(Time))}),Extension=asn.define("Extension",function(){this.seq().obj(this.key("extnID").objid(),this.key("critical").bool().def(!1),this.key("extnValue").octstr())}),TBSCertificate=asn.define("TBSCertificate",function(){this.seq().obj(this.key("version").explicit(0).int().optional(),this.key("serialNumber").int(),this.key("signature").use(AlgorithmIdentifier),this.key("issuer").use(Name),this.key("validity").use(Validity),this.key("subject").use(Name),this.key("subjectPublicKeyInfo").use(SubjectPublicKeyInfo),this.key("issuerUniqueID").implicit(1).bitstr().optional(),this.key("subjectUniqueID").implicit(2).bitstr().optional(),this.key("extensions").explicit(3).seqof(Extension).optional())}),X509Certificate=asn.define("X509Certificate",function(){this.seq().obj(this.key("tbsCertificate").use(TBSCertificate),this.key("signatureAlgorithm").use(AlgorithmIdentifier),this.key("signatureValue").bitstr())});module.exports=X509Certificate},{"asn1.js":8}],181:[function(require,module){var evp=require("evp_bytestokey"),ciphers=require("browserify-aes"),Buffer=require("safe-buffer").Buffer;module.exports=function(okey,password){var key=okey.toString(),match=key.match(/Proc-Type: 4,ENCRYPTED[\n\r]+DEK-Info: AES-((?:128)|(?:192)|(?:256))-CBC,([0-9A-H]+)[\n\r]+([0-9A-z\n\r+/=]+)[\n\r]+/m),decrypted;if(!match){var match2=key.match(/^-----BEGIN ((?:.*? KEY)|CERTIFICATE)-----([0-9A-z\n\r+/=]+)-----END \1-----$/m);decrypted=Buffer.from(match2[2].replace(/[\r\n]/g,""),"base64")}else{var suite="aes"+match[1],iv=Buffer.from(match[2],"hex"),cipherText=Buffer.from(match[3].replace(/[\r\n]/g,""),"base64"),cipherKey=evp(password,iv.slice(0,8),parseInt(match[1],10)).key,out=[],cipher=ciphers.createDecipheriv(suite,cipherKey,iv);out.push(cipher.update(cipherText)),out.push(cipher.final()),decrypted=Buffer.concat(out)}var tag=key.match(/^-----BEGIN ((?:.*? KEY)|CERTIFICATE)-----/m)[1];return{tag:tag,data:decrypted}}},{"browserify-aes":44,evp_bytestokey:123,"safe-buffer":234}],182:[function(require,module){function parseKeys(buffer){var password;"object"!=typeof buffer||Buffer.isBuffer(buffer)||(password=buffer.passphrase,buffer=buffer.key),"string"==typeof buffer&&(buffer=Buffer.from(buffer));var stripped=fixProc(buffer,password),type=stripped.tag,data=stripped.data,subtype,ndata;switch(type){case"CERTIFICATE":ndata=asn1.certificate.decode(data,"der").tbsCertificate.subjectPublicKeyInfo;case"PUBLIC KEY":switch(ndata||(ndata=asn1.PublicKey.decode(data,"der")),subtype=ndata.algorithm.algorithm.join("."),subtype){case"1.2.840.113549.1.1.1":return asn1.RSAPublicKey.decode(ndata.subjectPublicKey.data,"der");case"1.2.840.10045.2.1":return ndata.subjectPrivateKey=ndata.subjectPublicKey,{type:"ec",data:ndata};case"1.2.840.10040.4.1":return ndata.algorithm.params.pub_key=asn1.DSAparam.decode(ndata.subjectPublicKey.data,"der"),{type:"dsa",data:ndata.algorithm.params};default:throw new Error("unknown key id "+subtype);}case"ENCRYPTED PRIVATE KEY":data=asn1.EncryptedPrivateKey.decode(data,"der"),data=decrypt(data,password);case"PRIVATE KEY":switch(ndata=asn1.PrivateKey.decode(data,"der"),subtype=ndata.algorithm.algorithm.join("."),subtype){case"1.2.840.113549.1.1.1":return asn1.RSAPrivateKey.decode(ndata.subjectPrivateKey,"der");case"1.2.840.10045.2.1":return{curve:ndata.algorithm.curve,privateKey:asn1.ECPrivateKey.decode(ndata.subjectPrivateKey,"der").privateKey};case"1.2.840.10040.4.1":return ndata.algorithm.params.priv_key=asn1.DSAparam.decode(ndata.subjectPrivateKey,"der"),{type:"dsa",params:ndata.algorithm.params};default:throw new Error("unknown key id "+subtype);}case"RSA PUBLIC KEY":return asn1.RSAPublicKey.decode(data,"der");case"RSA PRIVATE KEY":return asn1.RSAPrivateKey.decode(data,"der");case"DSA PRIVATE KEY":return{type:"dsa",params:asn1.DSAPrivateKey.decode(data,"der")};case"EC PRIVATE KEY":return data=asn1.ECPrivateKey.decode(data,"der"),{curve:data.parameters.value,privateKey:data.privateKey};default:throw new Error("unknown key type "+type);}}function decrypt(data,password){var salt=data.algorithm.decrypt.kde.kdeparams.salt,iters=parseInt(data.algorithm.decrypt.kde.kdeparams.iters.toString(),10),algo=aesid[data.algorithm.decrypt.cipher.algo.join(".")],iv=data.algorithm.decrypt.cipher.iv,cipherText=data.subjectPrivateKey,keylen=parseInt(algo.split("-")[1],10)/8,key=compat.pbkdf2Sync(password,salt,iters,keylen,"sha1"),cipher=ciphers.createDecipheriv(algo,key,iv),out=[];return out.push(cipher.update(cipherText)),out.push(cipher.final()),Buffer.concat(out)}var asn1=require("./asn1"),aesid=require("./aesid.json"),fixProc=require("./fixProc"),ciphers=require("browserify-aes"),compat=require("pbkdf2"),Buffer=require("safe-buffer").Buffer;module.exports=parseKeys,parseKeys.signature=asn1.signature},{"./aesid.json":178,"./asn1":179,"./fixProc":181,"browserify-aes":44,pbkdf2:185,"safe-buffer":234}],183:[function(require,module){(function(Buffer){(function(){function parseTorrent(torrentId){if("string"==typeof torrentId&&/^(stream-)?magnet:/.test(torrentId)){const torrentObj=magnet(torrentId);if(!torrentObj.infoHash)throw new Error("Invalid torrent identifier");return torrentObj}if("string"==typeof torrentId&&(/^[a-f0-9]{40}$/i.test(torrentId)||/^[a-z2-7]{32}$/i.test(torrentId)))return magnet(`magnet:?xt=urn:btih:${torrentId}`);if(Buffer.isBuffer(torrentId)&&20===torrentId.length)return magnet(`magnet:?xt=urn:btih:${torrentId.toString("hex")}`);if(Buffer.isBuffer(torrentId))return decodeTorrentFile(torrentId);if(torrentId&&torrentId.infoHash)return torrentId.infoHash=torrentId.infoHash.toLowerCase(),torrentId.announce||(torrentId.announce=[]),"string"==typeof torrentId.announce&&(torrentId.announce=[torrentId.announce]),torrentId.urlList||(torrentId.urlList=[]),torrentId;throw new Error("Invalid torrent identifier")}function parseTorrentRemote(torrentId,opts,cb){function parseOrThrow(torrentBuf){try{parsedTorrent=parseTorrent(torrentBuf)}catch(err){return cb(err)}parsedTorrent&&parsedTorrent.infoHash?cb(null,parsedTorrent):cb(new Error("Invalid torrent identifier"))}if("function"==typeof opts)return parseTorrentRemote(torrentId,{},opts);if("function"!=typeof cb)throw new Error("second argument must be a Function");let parsedTorrent;try{parsedTorrent=parseTorrent(torrentId)}catch(err){}parsedTorrent&&parsedTorrent.infoHash?queueMicrotask(()=>{cb(null,parsedTorrent)}):isBlob(torrentId)?blobToBuffer(torrentId,(err,torrentBuf)=>err?cb(new Error(`Error converting Blob: ${err.message}`)):void parseOrThrow(torrentBuf)):"function"==typeof get&&/^https?:/.test(torrentId)?(opts=Object.assign({url:torrentId,timeout:30000,headers:{"user-agent":"WebTorrent (https://webtorrent.io)"}},opts),get.concat(opts,(err,res,torrentBuf)=>err?cb(new Error(`Error downloading torrent: ${err.message}`)):void parseOrThrow(torrentBuf))):"function"==typeof fs.readFile&&"string"==typeof torrentId?fs.readFile(torrentId,(err,torrentBuf)=>err?cb(new Error("Invalid torrent identifier")):void parseOrThrow(torrentBuf)):queueMicrotask(()=>{cb(new Error("Invalid torrent identifier"))})}function decodeTorrentFile(torrent){Buffer.isBuffer(torrent)&&(torrent=bencode.decode(torrent)),ensure(torrent.info,"info"),ensure(torrent.info["name.utf-8"]||torrent.info.name,"info.name"),ensure(torrent.info["piece length"],"info['piece length']"),ensure(torrent.info.pieces,"info.pieces"),torrent.info.files?torrent.info.files.forEach(file=>{ensure("number"==typeof file.length,"info.files[0].length"),ensure(file["path.utf-8"]||file.path,"info.files[0].path")}):ensure("number"==typeof torrent.info.length,"info.length");const result={info:torrent.info,infoBuffer:bencode.encode(torrent.info),name:(torrent.info["name.utf-8"]||torrent.info.name).toString(),announce:[]};result.infoHash=sha1.sync(result.infoBuffer),result.infoHashBuffer=Buffer.from(result.infoHash,"hex"),void 0!==torrent.info.private&&(result.private=!!torrent.info.private),torrent["creation date"]&&(result.created=new Date(1e3*torrent["creation date"])),torrent["created by"]&&(result.createdBy=torrent["created by"].toString()),Buffer.isBuffer(torrent.comment)&&(result.comment=torrent.comment.toString()),Array.isArray(torrent["announce-list"])&&0<torrent["announce-list"].length?torrent["announce-list"].forEach(urls=>{urls.forEach(url=>{result.announce.push(url.toString())})}):torrent.announce&&result.announce.push(torrent.announce.toString()),Buffer.isBuffer(torrent["url-list"])&&(torrent["url-list"]=0<torrent["url-list"].length?[torrent["url-list"]]:[]),result.urlList=(torrent["url-list"]||[]).map(url=>url.toString()),result.announce=Array.from(new Set(result.announce)),result.urlList=Array.from(new Set(result.urlList));const files=torrent.info.files||[torrent.info];result.files=files.map((file,i)=>{const parts=[].concat(result.name,file["path.utf-8"]||file.path||[]).map(p=>p.toString());return{path:path.join.apply(null,[path.sep].concat(parts)).slice(1),name:parts[parts.length-1],length:file.length,offset:files.slice(0,i).reduce(sumLength,0)}}),result.length=files.reduce(sumLength,0);const lastFile=result.files[result.files.length-1];return result.pieceLength=torrent.info["piece length"],result.lastPieceLength=(lastFile.offset+lastFile.length)%result.pieceLength||result.pieceLength,result.pieces=splitPieces(torrent.info.pieces),result}function isBlob(obj){return"undefined"!=typeof Blob&&obj instanceof Blob}function sumLength(sum,file){return sum+file.length}function splitPieces(buf){const pieces=[];for(let i=0;i<buf.length;i+=20)pieces.push(buf.slice(i,i+20).toString("hex"));return pieces}function ensure(bool,fieldName){if(!bool)throw new Error(`Torrent is missing required field: ${fieldName}`)}/*! parse-torrent. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const bencode=require("bencode"),blobToBuffer=require("blob-to-buffer"),fs=require("fs"),get=require("simple-get"),magnet=require("magnet-uri"),path=require("path"),sha1=require("simple-sha1"),queueMicrotask=require("queue-microtask");module.exports=parseTorrent,module.exports.remote=parseTorrentRemote,module.exports.toMagnetURI=magnet.encode,module.exports.toTorrentFile=function(parsed){const torrent={info:parsed.info};return torrent["announce-list"]=(parsed.announce||[]).map(url=>(torrent.announce||(torrent.announce=url),url=Buffer.from(url,"utf8"),[url])),torrent["url-list"]=parsed.urlList||[],void 0!==parsed.private&&(torrent.private=+parsed.private),parsed.created&&(torrent["creation date"]=0|parsed.created.getTime()/1e3),parsed.createdBy&&(torrent["created by"]=parsed.createdBy),parsed.comment&&(torrent.comment=parsed.comment),bencode.encode(torrent)};(()=>{Buffer.alloc(0)})()}).call(this)}).call(this,require("buffer").Buffer)},{bencode:27,"blob-to-buffer":37,buffer:75,fs:41,"magnet-uri":156,path:184,"queue-microtask":205,"simple-get":245,"simple-sha1":247}],184:[function(require,module){(function(process){(function(){"use strict";function assertPath(path){if("string"!=typeof path)throw new TypeError("Path must be a string. Received "+JSON.stringify(path))}function normalizeStringPosix(path,allowAboveRoot){for(var res="",lastSegmentLength=0,lastSlash=-1,dots=0,i=0,code;i<=path.length;++i){if(i<path.length)code=path.charCodeAt(i);else if(47===code)break;else code=47;if(47===code){if(lastSlash===i-1||1===dots);else if(lastSlash!==i-1&&2===dots){if(2>res.length||2!==lastSegmentLength||46!==res.charCodeAt(res.length-1)||46!==res.charCodeAt(res.length-2))if(2<res.length){var lastSlashIndex=res.lastIndexOf("/");if(lastSlashIndex!==res.length-1){-1===lastSlashIndex?(res="",lastSegmentLength=0):(res=res.slice(0,lastSlashIndex),lastSegmentLength=res.length-1-res.lastIndexOf("/")),lastSlash=i,dots=0;continue}}else if(2===res.length||1===res.length){res="",lastSegmentLength=0,lastSlash=i,dots=0;continue}allowAboveRoot&&(0<res.length?res+="/..":res="..",lastSegmentLength=2)}else 0<res.length?res+="/"+path.slice(lastSlash+1,i):res=path.slice(lastSlash+1,i),lastSegmentLength=i-lastSlash-1;lastSlash=i,dots=0}else 46===code&&-1!==dots?++dots:dots=-1}return res}function _format(sep,pathObject){var dir=pathObject.dir||pathObject.root,base=pathObject.base||(pathObject.name||"")+(pathObject.ext||"");return dir?dir===pathObject.root?dir+base:dir+sep+base:base}var posix={resolve:function(){for(var resolvedPath="",resolvedAbsolute=!1,i=arguments.length-1,cwd;-1<=i&&!resolvedAbsolute;i--){var path;(0<=i?path=arguments[i]:(void 0===cwd&&(cwd=process.cwd()),path=cwd),assertPath(path),0!==path.length)&&(resolvedPath=path+"/"+resolvedPath,resolvedAbsolute=47===path.charCodeAt(0))}return resolvedPath=normalizeStringPosix(resolvedPath,!resolvedAbsolute),resolvedAbsolute?0<resolvedPath.length?"/"+resolvedPath:"/":0<resolvedPath.length?resolvedPath:"."},normalize:function(path){if(assertPath(path),0===path.length)return".";var isAbsolute=47===path.charCodeAt(0),trailingSeparator=47===path.charCodeAt(path.length-1);return path=normalizeStringPosix(path,!isAbsolute),0!==path.length||isAbsolute||(path="."),0<path.length&&trailingSeparator&&(path+="/"),isAbsolute?"/"+path:path},isAbsolute:function(path){return assertPath(path),0<path.length&&47===path.charCodeAt(0)},join:function(){if(0===arguments.length)return".";for(var i=0,joined,arg;i<arguments.length;++i)arg=arguments[i],assertPath(arg),0<arg.length&&(void 0===joined?joined=arg:joined+="/"+arg);return void 0===joined?".":posix.normalize(joined)},relative:function(from,to){if(assertPath(from),assertPath(to),from===to)return"";if(from=posix.resolve(from),to=posix.resolve(to),from===to)return"";for(var fromStart=1;fromStart<from.length&&47===from.charCodeAt(fromStart);++fromStart);for(var fromEnd=from.length,fromLen=fromEnd-fromStart,toStart=1;toStart<to.length&&47===to.charCodeAt(toStart);++toStart);for(var toEnd=to.length,toLen=toEnd-toStart,length=fromLen<toLen?fromLen:toLen,lastCommonSep=-1,i=0;i<=length;++i){if(i===length){if(toLen>length){if(47===to.charCodeAt(toStart+i))return to.slice(toStart+i+1);if(0===i)return to.slice(toStart+i)}else fromLen>length&&(47===from.charCodeAt(fromStart+i)?lastCommonSep=i:0===i&&(lastCommonSep=0));break}var fromCode=from.charCodeAt(fromStart+i),toCode=to.charCodeAt(toStart+i);if(fromCode!==toCode)break;else 47===fromCode&&(lastCommonSep=i)}var out="";for(i=fromStart+lastCommonSep+1;i<=fromEnd;++i)(i===fromEnd||47===from.charCodeAt(i))&&(out+=0===out.length?"..":"/..");return 0<out.length?out+to.slice(toStart+lastCommonSep):(toStart+=lastCommonSep,47===to.charCodeAt(toStart)&&++toStart,to.slice(toStart))},_makeLong:function(path){return path},dirname:function(path){if(assertPath(path),0===path.length)return".";for(var code=path.charCodeAt(0),hasRoot=47===code,end=-1,matchedSlash=!0,i=path.length-1;1<=i;--i)if(code=path.charCodeAt(i),47!==code)matchedSlash=!1;else if(!matchedSlash){end=i;break}return-1===end?hasRoot?"/":".":hasRoot&&1===end?"//":path.slice(0,end)},basename:function(path,ext){if(ext!==void 0&&"string"!=typeof ext)throw new TypeError("\"ext\" argument must be a string");assertPath(path);var start=0,end=-1,matchedSlash=!0,i;if(void 0!==ext&&0<ext.length&&ext.length<=path.length){if(ext.length===path.length&&ext===path)return"";var extIdx=ext.length-1,firstNonSlashEnd=-1;for(i=path.length-1;0<=i;--i){var code=path.charCodeAt(i);if(47!==code)-1===firstNonSlashEnd&&(matchedSlash=!1,firstNonSlashEnd=i+1),0<=extIdx&&(code===ext.charCodeAt(extIdx)?-1==--extIdx&&(end=i):(extIdx=-1,end=firstNonSlashEnd));else if(!matchedSlash){start=i+1;break}}return start===end?end=firstNonSlashEnd:-1===end&&(end=path.length),path.slice(start,end)}for(i=path.length-1;0<=i;--i)if(47!==path.charCodeAt(i))-1===end&&(matchedSlash=!1,end=i+1);else if(!matchedSlash){start=i+1;break}return-1===end?"":path.slice(start,end)},extname:function(path){assertPath(path);for(var startDot=-1,startPart=0,end=-1,matchedSlash=!0,preDotState=0,i=path.length-1,code;0<=i;--i){if(code=path.charCodeAt(i),47===code){if(!matchedSlash){startPart=i+1;break}continue}-1===end&&(matchedSlash=!1,end=i+1),46===code?-1===startDot?startDot=i:1!==preDotState&&(preDotState=1):-1!==startDot&&(preDotState=-1)}return-1===startDot||-1===end||0===preDotState||1===preDotState&&startDot===end-1&&startDot===startPart+1?"":path.slice(startDot,end)},format:function(pathObject){if(null===pathObject||"object"!=typeof pathObject)throw new TypeError("The \"pathObject\" argument must be of type Object. Received type "+typeof pathObject);return _format("/",pathObject)},parse:function(path){assertPath(path);var ret={root:"",dir:"",base:"",ext:"",name:""};if(0===path.length)return ret;var code=path.charCodeAt(0),isAbsolute=47===code,start;isAbsolute?(ret.root="/",start=1):start=0;for(var startDot=-1,startPart=0,end=-1,matchedSlash=!0,i=path.length-1,preDotState=0;i>=start;--i){if(code=path.charCodeAt(i),47===code){if(!matchedSlash){startPart=i+1;break}continue}-1===end&&(matchedSlash=!1,end=i+1),46===code?-1===startDot?startDot=i:1!==preDotState&&(preDotState=1):-1!==startDot&&(preDotState=-1)}return-1===startDot||-1===end||0===preDotState||1===preDotState&&startDot===end-1&&startDot===startPart+1?-1!==end&&(0===startPart&&isAbsolute?ret.base=ret.name=path.slice(1,end):ret.base=ret.name=path.slice(startPart,end)):(0===startPart&&isAbsolute?(ret.name=path.slice(1,startDot),ret.base=path.slice(1,end)):(ret.name=path.slice(startPart,startDot),ret.base=path.slice(startPart,end)),ret.ext=path.slice(startDot,end)),0<startPart?ret.dir=path.slice(0,startPart-1):isAbsolute&&(ret.dir="/"),ret},sep:"/",delimiter:":",win32:null,posix:null};posix.posix=posix,module.exports=posix}).call(this)}).call(this,require("_process"))},{_process:192}],185:[function(require,module,exports){exports.pbkdf2=require("./lib/async"),exports.pbkdf2Sync=require("./lib/sync")},{"./lib/async":186,"./lib/sync":189}],186:[function(require,module){(function(global){(function(){function checkNative(algo){if(global.process&&!global.process.browser)return Promise.resolve(!1);if(!subtle||!subtle.importKey||!subtle.deriveBits)return Promise.resolve(!1);if(void 0!==checks[algo])return checks[algo];ZERO_BUF=ZERO_BUF||Buffer.alloc(8);var prom=browserPbkdf2(ZERO_BUF,ZERO_BUF,10,128,algo).then(function(){return!0}).catch(function(){return!1});return checks[algo]=prom,prom}function getNextTick(){return nextTick?nextTick:(nextTick=global.process&&global.process.nextTick?global.process.nextTick:global.queueMicrotask?global.queueMicrotask:global.setImmediate?global.setImmediate:global.setTimeout,nextTick)}function browserPbkdf2(password,salt,iterations,length,algo){return subtle.importKey("raw",password,{name:"PBKDF2"},!1,["deriveBits"]).then(function(key){return subtle.deriveBits({name:"PBKDF2",salt:salt,iterations:iterations,hash:{name:algo}},key,length<<3)}).then(function(res){return Buffer.from(res)})}function resolvePromise(promise,callback){promise.then(function(out){getNextTick()(function(){callback(null,out)})},function(e){getNextTick()(function(){callback(e)})})}var Buffer=require("safe-buffer").Buffer,checkParameters=require("./precondition"),defaultEncoding=require("./default-encoding"),sync=require("./sync"),toBuffer=require("./to-buffer"),subtle=global.crypto&&global.crypto.subtle,toBrowser={sha:"SHA-1","sha-1":"SHA-1",sha1:"SHA-1",sha256:"SHA-256","sha-256":"SHA-256",sha384:"SHA-384","sha-384":"SHA-384","sha-512":"SHA-512",sha512:"SHA-512"},checks=[],ZERO_BUF,nextTick;module.exports=function(password,salt,iterations,keylen,digest,callback){"function"==typeof digest&&(callback=digest,digest=void 0),digest=digest||"sha1";var algo=toBrowser[digest.toLowerCase()];if(!algo||"function"!=typeof global.Promise)return void getNextTick()(function(){var out;try{out=sync(password,salt,iterations,keylen,digest)}catch(e){return callback(e)}callback(null,out)});if(checkParameters(iterations,keylen),password=toBuffer(password,defaultEncoding,"Password"),salt=toBuffer(salt,defaultEncoding,"Salt"),"function"!=typeof callback)throw new Error("No callback provided to pbkdf2");resolvePromise(checkNative(algo).then(function(resp){return resp?browserPbkdf2(password,salt,iterations,keylen,algo):sync(password,salt,iterations,keylen,digest)}),callback)}}).call(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"./default-encoding":187,"./precondition":188,"./sync":189,"./to-buffer":190,"safe-buffer":234}],187:[function(require,module){(function(process,global){(function(){var defaultEncoding;if(global.process&&global.process.browser)defaultEncoding="utf-8";else if(global.process&&global.process.version){var pVersionMajor=parseInt(process.version.split(".")[0].slice(1),10);defaultEncoding=6<=pVersionMajor?"utf-8":"binary"}else defaultEncoding="utf-8";module.exports=defaultEncoding}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{_process:192}],188:[function(require,module){_Mathpow(2,30)-1;module.exports=function(iterations,keylen){if("number"!=typeof iterations)throw new TypeError("Iterations not a number");if(0>iterations)throw new TypeError("Bad iterations");if("number"!=typeof keylen)throw new TypeError("Key length not a number");if(0>keylen||1073741823<keylen||keylen!==keylen)throw new TypeError("Bad key length")}},{}],189:[function(require,module){function Hmac(alg,key,saltLen){var hash=getDigest(alg),blocksize="sha512"===alg||"sha384"===alg?128:64;key.length>blocksize?key=hash(key):key.length<blocksize&&(key=Buffer.concat([key,ZEROS],blocksize));for(var ipad=Buffer.allocUnsafe(blocksize+sizes[alg]),opad=Buffer.allocUnsafe(blocksize+sizes[alg]),i=0;i<blocksize;i++)ipad[i]=54^key[i],opad[i]=92^key[i];var ipad1=Buffer.allocUnsafe(blocksize+saltLen+4);ipad.copy(ipad1,0,0,blocksize),this.ipad1=ipad1,this.ipad2=ipad,this.opad=opad,this.alg=alg,this.blocksize=blocksize,this.hash=hash,this.size=sizes[alg]}function getDigest(alg){return"rmd160"===alg||"ripemd160"===alg?function(data){return new RIPEMD160().update(data).digest()}:"md5"===alg?md5:function(data){return sha(alg).update(data).digest()}}var md5=require("create-hash/md5"),RIPEMD160=require("ripemd160"),sha=require("sha.js"),Buffer=require("safe-buffer").Buffer,checkParameters=require("./precondition"),defaultEncoding=require("./default-encoding"),toBuffer=require("./to-buffer"),ZEROS=Buffer.alloc(128),sizes={md5:16,sha1:20,sha224:28,sha256:32,sha384:48,sha512:64,rmd160:20,ripemd160:20};Hmac.prototype.run=function(data,ipad){data.copy(ipad,this.blocksize);var h=this.hash(ipad);return h.copy(this.opad,this.blocksize),this.hash(this.opad)},module.exports=function(password,salt,iterations,keylen,digest){checkParameters(iterations,keylen),password=toBuffer(password,defaultEncoding,"Password"),salt=toBuffer(salt,defaultEncoding,"Salt"),digest=digest||"sha1";var hmac=new Hmac(digest,password,salt.length),DK=Buffer.allocUnsafe(keylen),block1=Buffer.allocUnsafe(salt.length+4);salt.copy(block1,0,0,salt.length);for(var destPos=0,hLen=sizes[digest],l=_Mathceil(keylen/hLen),i=1;i<=l;i++){block1.writeUInt32BE(i,salt.length);for(var T=hmac.run(block1,hmac.ipad1),U=T,j=1;j<iterations;j++){U=hmac.run(U,hmac.ipad2);for(var k=0;k<hLen;k++)T[k]^=U[k]}T.copy(DK,destPos),destPos+=hLen}return DK}},{"./default-encoding":187,"./precondition":188,"./to-buffer":190,"create-hash/md5":85,ripemd160:230,"safe-buffer":234,"sha.js":237}],190:[function(require,module){var Buffer=require("safe-buffer").Buffer;module.exports=function(thing,encoding,name){if(Buffer.isBuffer(thing))return thing;if("string"==typeof thing)return Buffer.from(thing,encoding);if(ArrayBuffer.isView(thing))return Buffer.from(thing.buffer);throw new TypeError(name+" must be a string, a Buffer, a typed array or a DataView")}},{"safe-buffer":234}],191:[function(require,module){module.exports=function(bytes){return _Mathmax(16384,0|1<<Math.log2(1024>bytes?1:bytes/1024)+.5)}},{}],192:[function(require,module){function defaultSetTimout(){throw new Error("setTimeout has not been defined")}function defaultClearTimeout(){throw new Error("clearTimeout has not been defined")}function runTimeout(fun){if(cachedSetTimeout===setTimeout)return setTimeout(fun,0);if((cachedSetTimeout===defaultSetTimout||!cachedSetTimeout)&&setTimeout)return cachedSetTimeout=setTimeout,setTimeout(fun,0);try{return cachedSetTimeout(fun,0)}catch(e){try{return cachedSetTimeout.call(null,fun,0)}catch(e){return cachedSetTimeout.call(this,fun,0)}}}function runClearTimeout(marker){if(cachedClearTimeout===clearTimeout)return clearTimeout(marker);if((cachedClearTimeout===defaultClearTimeout||!cachedClearTimeout)&&clearTimeout)return cachedClearTimeout=clearTimeout,clearTimeout(marker);try{return cachedClearTimeout(marker)}catch(e){try{return cachedClearTimeout.call(null,marker)}catch(e){return cachedClearTimeout.call(this,marker)}}}function cleanUpNextTick(){draining&¤tQueue&&(draining=!1,currentQueue.length?queue=currentQueue.concat(queue):queueIndex=-1,queue.length&&drainQueue())}function drainQueue(){if(!draining){var timeout=runTimeout(cleanUpNextTick);draining=!0;for(var len=queue.length;len;){for(currentQueue=queue,queue=[];++queueIndex<len;)currentQueue&¤tQueue[queueIndex].run();queueIndex=-1,len=queue.length}currentQueue=null,draining=!1,runClearTimeout(timeout)}}function Item(fun,array){this.fun=fun,this.array=array}function noop(){}var process=module.exports={},cachedSetTimeout,cachedClearTimeout;(function(){try{cachedSetTimeout="function"==typeof setTimeout?setTimeout:defaultSetTimout}catch(e){cachedSetTimeout=defaultSetTimout}try{cachedClearTimeout="function"==typeof clearTimeout?clearTimeout:defaultClearTimeout}catch(e){cachedClearTimeout=defaultClearTimeout}})();var queue=[],draining=!1,queueIndex=-1,currentQueue;process.nextTick=function(fun){var args=Array(arguments.length-1);if(1<arguments.length)for(var i=1;i<arguments.length;i++)args[i-1]=arguments[i];queue.push(new Item(fun,args)),1!==queue.length||draining||runTimeout(drainQueue)},Item.prototype.run=function(){this.fun.apply(null,this.array)},process.title="browser",process.browser=!0,process.env={},process.argv=[],process.version="",process.versions={},process.on=noop,process.addListener=noop,process.once=noop,process.off=noop,process.removeListener=noop,process.removeAllListeners=noop,process.emit=noop,process.prependListener=noop,process.prependOnceListener=noop,process.listeners=function(){return[]},process.binding=function(){throw new Error("process.binding is not supported")},process.cwd=function(){return"/"},process.chdir=function(){throw new Error("process.chdir is not supported")},process.umask=function(){return 0}},{}],193:[function(require,module,exports){exports.publicEncrypt=require("./publicEncrypt"),exports.privateDecrypt=require("./privateDecrypt"),exports.privateEncrypt=function(key,buf){return exports.publicEncrypt(key,buf,!0)},exports.publicDecrypt=function(key,buf){return exports.privateDecrypt(key,buf,!0)}},{"./privateDecrypt":196,"./publicEncrypt":197}],194:[function(require,module){function i2ops(c){var out=Buffer.allocUnsafe(4);return out.writeUInt32BE(c,0),out}var createHash=require("create-hash"),Buffer=require("safe-buffer").Buffer;module.exports=function(seed,len){for(var t=Buffer.alloc(0),i=0,c;t.length<len;)c=i2ops(i++),t=Buffer.concat([t,createHash("sha1").update(seed).update(c).digest()]);return t.slice(0,len)}},{"create-hash":84,"safe-buffer":234}],195:[function(require,module,exports){arguments[4][22][0].apply(exports,arguments)},{buffer:41,dup:22}],196:[function(require,module){function oaep(key,msg){var k=key.modulus.byteLength(),iHash=createHash("sha1").update(Buffer.alloc(0)).digest(),hLen=iHash.length;if(0!==msg[0])throw new Error("decryption error");var maskedSeed=msg.slice(1,hLen+1),maskedDb=msg.slice(hLen+1),seed=xor(maskedSeed,mgf(maskedDb,hLen)),db=xor(maskedDb,mgf(seed,k-hLen-1));if(compare(iHash,db.slice(0,hLen)))throw new Error("decryption error");for(var i=hLen;0===db[i];)i++;if(1!==db[i++])throw new Error("decryption error");return db.slice(i)}function pkcs1(key,msg,reverse){for(var p1=msg.slice(0,2),i=2,status=0;0!==msg[i++];)if(i>=msg.length){status++;break}var ps=msg.slice(2,i-1);if(("0002"!==p1.toString("hex")&&!reverse||"0001"!==p1.toString("hex")&&reverse)&&status++,8>ps.length&&status++,status)throw new Error("decryption error");return msg.slice(i)}function compare(a,b){a=Buffer.from(a),b=Buffer.from(b);var dif=0,len=a.length;a.length!==b.length&&(dif++,len=_Mathmin(a.length,b.length));for(var i=-1;++i<len;)dif+=a[i]^b[i];return dif}var parseKeys=require("parse-asn1"),mgf=require("./mgf"),xor=require("./xor"),BN=require("bn.js"),crt=require("browserify-rsa"),createHash=require("create-hash"),withPublic=require("./withPublic"),Buffer=require("safe-buffer").Buffer;module.exports=function(privateKey,enc,reverse){var padding=privateKey.padding?privateKey.padding:reverse?1:4;var key=parseKeys(privateKey),k=key.modulus.byteLength();if(enc.length>k||0<=new BN(enc).cmp(key.modulus))throw new Error("decryption error");var msg=reverse?withPublic(new BN(enc),key):crt(enc,key);var zBuffer=Buffer.alloc(k-msg.length);if(msg=Buffer.concat([zBuffer,msg],k),4===padding)return oaep(key,msg);if(1===padding)return pkcs1(key,msg,reverse);if(3===padding)return msg;throw new Error("unknown padding")}},{"./mgf":194,"./withPublic":198,"./xor":199,"bn.js":195,"browserify-rsa":62,"create-hash":84,"parse-asn1":182,"safe-buffer":234}],197:[function(require,module){function oaep(key,msg){var k=key.modulus.byteLength(),mLen=msg.length,iHash=createHash("sha1").update(Buffer.alloc(0)).digest(),hLen=iHash.length,hLen2=2*hLen;if(mLen>k-hLen2-2)throw new Error("message too long");var ps=Buffer.alloc(k-mLen-hLen2-2),dblen=k-hLen-1,seed=randomBytes(hLen),maskedDb=xor(Buffer.concat([iHash,ps,Buffer.alloc(1,1),msg],dblen),mgf(seed,dblen)),maskedSeed=xor(seed,mgf(maskedDb,hLen));return new BN(Buffer.concat([Buffer.alloc(1),maskedSeed,maskedDb],k))}function pkcs1(key,msg,reverse){var mLen=msg.length,k=key.modulus.byteLength();if(mLen>k-11)throw new Error("message too long");var ps;return ps=reverse?Buffer.alloc(k-mLen-3,255):nonZero(k-mLen-3),new BN(Buffer.concat([Buffer.from([0,reverse?1:2]),ps,Buffer.alloc(1),msg],k))}function nonZero(len){for(var out=Buffer.allocUnsafe(len),i=0,cache=randomBytes(2*len),cur=0,num;i<len;)cur===cache.length&&(cache=randomBytes(2*len),cur=0),num=cache[cur++],num&&(out[i++]=num);return out}var parseKeys=require("parse-asn1"),randomBytes=require("randombytes"),createHash=require("create-hash"),mgf=require("./mgf"),xor=require("./xor"),BN=require("bn.js"),withPublic=require("./withPublic"),crt=require("browserify-rsa"),Buffer=require("safe-buffer").Buffer;module.exports=function(publicKey,msg,reverse){var padding=publicKey.padding?publicKey.padding:reverse?1:4;var key=parseKeys(publicKey),paddedMsg;if(4===padding)paddedMsg=oaep(key,msg);else if(1===padding)paddedMsg=pkcs1(key,msg,reverse);else if(3!==padding)throw new Error("unknown padding");else if(paddedMsg=new BN(msg),0<=paddedMsg.cmp(key.modulus))throw new Error("data too long for modulus");return reverse?crt(paddedMsg,key):withPublic(paddedMsg,key)}},{"./mgf":194,"./withPublic":198,"./xor":199,"bn.js":195,"browserify-rsa":62,"create-hash":84,"parse-asn1":182,randombytes:208,"safe-buffer":234}],198:[function(require,module){var BN=require("bn.js"),Buffer=require("safe-buffer").Buffer;module.exports=function(paddedMsg,key){return Buffer.from(paddedMsg.toRed(BN.mont(key.modulus)).redPow(new BN(key.publicExponent)).fromRed().toArray())}},{"bn.js":195,"safe-buffer":234}],199:[function(require,module){module.exports=function(a,b){for(var len=a.length,i=-1;++i<len;)a[i]^=b[i];return a}},{}],200:[function(require,module){(function(process){(function(){var once=require("once"),eos=require("end-of-stream"),fs=require("fs"),noop=function(){},ancient=/^v?\.0/.test(process.version),isFn=function(fn){return"function"==typeof fn},isFS=function(stream){return!!ancient&&!!fs&&(stream instanceof(fs.ReadStream||noop)||stream instanceof(fs.WriteStream||noop))&&isFn(stream.close)},isRequest=function(stream){return stream.setHeader&&isFn(stream.abort)},destroyer=function(stream,reading,writing,callback){callback=once(callback);var closed=!1;stream.on("close",function(){closed=!0}),eos(stream,{readable:reading,writable:writing},function(err){return err?callback(err):void(closed=!0,callback())});var destroyed=!1;return function(err){if(!closed)return destroyed?void 0:(destroyed=!0,isFS(stream)?stream.close(noop):isRequest(stream)?stream.abort():isFn(stream.destroy)?stream.destroy():void callback(err||new Error("stream was destroyed")))}},call=function(fn){fn()},pipe=function(from,to){return from.pipe(to)};module.exports=function(){var streams=Array.prototype.slice.call(arguments),callback=isFn(streams[streams.length-1]||noop)&&streams.pop()||noop;if(Array.isArray(streams[0])&&(streams=streams[0]),2>streams.length)throw new Error("pump requires two streams per minimum");var destroys=streams.map(function(stream,i){var reading=i<streams.length-1;return destroyer(stream,reading,0<i,function(err){error||(error=err),err&&destroys.forEach(call),reading||(destroys.forEach(call),callback(error))})}),error;return streams.reduce(pipe)}}).call(this)}).call(this,require("_process"))},{_process:192,"end-of-stream":120,fs:41,once:177}],201:[function(require,module,exports){(function(global){(function(){/*! https://mths.be/punycode v1.4.1 by @mathias */(function(root){function error(type){throw new RangeError(errors[type])}function map(array,fn){for(var length=array.length,result=[];length--;)result[length]=fn(array[length]);return result}function mapDomain(string,fn){var parts=string.split("@"),result="";1<parts.length&&(result=parts[0]+"@",string=parts[1]),string=string.replace(regexSeparators,".");var labels=string.split("."),encoded=map(labels,fn).join(".");return result+encoded}function ucs2decode(string){for(var output=[],counter=0,length=string.length,value,extra;counter<length;)value=string.charCodeAt(counter++),55296<=value&&56319>=value&&counter<length?(extra=string.charCodeAt(counter++),56320==(64512&extra)?output.push(((1023&value)<<10)+(1023&extra)+65536):(output.push(value),counter--)):output.push(value);return output}function ucs2encode(array){return map(array,function(value){var output="";return 65535<value&&(value-=65536,output+=stringFromCharCode(55296|1023&value>>>10),value=56320|1023&value),output+=stringFromCharCode(value),output}).join("")}function basicToDigit(codePoint){return 10>codePoint-48?codePoint-22:26>codePoint-65?codePoint-65:26>codePoint-97?codePoint-97:36}function digitToBasic(digit,flag){return digit+22+75*(26>digit)-((0!=flag)<<5)}function adapt(delta,numPoints,firstTime){var k=0;for(delta=firstTime?floor(delta/700):delta>>1,delta+=floor(delta/numPoints);455<delta;k+=36)delta=floor(delta/35);return floor(k+36*delta/(delta+38))}function decode(input){var output=[],inputLength=input.length,i=0,n=128,bias=72,out,basic,j,index,oldi,w,k,digit,t,baseMinusT;for(basic=input.lastIndexOf("-"),0>basic&&(basic=0),j=0;j<basic;++j)128<=input.charCodeAt(j)&&error("not-basic"),output.push(input.charCodeAt(j));for(index=0<basic?basic+1:0;index<inputLength;){for(oldi=i,w=1,k=36;;k+=36){if(index>=inputLength&&error("invalid-input"),digit=basicToDigit(input.charCodeAt(index++)),(36<=digit||digit>floor((2147483647-i)/w))&&error("overflow"),i+=digit*w,t=k<=bias?1:k>=bias+26?26:k-bias,digit<t)break;baseMinusT=36-t,w>floor(2147483647/baseMinusT)&&error("overflow"),w*=baseMinusT}out=output.length+1,bias=adapt(i-oldi,out,0==oldi),floor(i/out)>2147483647-n&&error("overflow"),n+=floor(i/out),i%=out,output.splice(i++,0,n)}return ucs2encode(output)}function encode(input){var output=[],n,delta,handledCPCount,basicLength,bias,j,m,q,k,t,currentValue,inputLength,handledCPCountPlusOne,baseMinusT,qMinusT;for(input=ucs2decode(input),inputLength=input.length,n=128,delta=0,bias=72,j=0;j<inputLength;++j)currentValue=input[j],128>currentValue&&output.push(stringFromCharCode(currentValue));for(handledCPCount=basicLength=output.length,basicLength&&output.push("-");handledCPCount<inputLength;){for(m=2147483647,j=0;j<inputLength;++j)currentValue=input[j],currentValue>=n&¤tValue<m&&(m=currentValue);for(handledCPCountPlusOne=handledCPCount+1,m-n>floor((2147483647-delta)/handledCPCountPlusOne)&&error("overflow"),delta+=(m-n)*handledCPCountPlusOne,n=m,j=0;j<inputLength;++j)if(currentValue=input[j],currentValue<n&&2147483647<++delta&&error("overflow"),currentValue==n){for(q=delta,k=36;;k+=36){if(t=k<=bias?1:k>=bias+26?26:k-bias,q<t)break;qMinusT=q-t,baseMinusT=36-t,output.push(stringFromCharCode(digitToBasic(t+qMinusT%baseMinusT,0))),q=floor(qMinusT/baseMinusT)}output.push(stringFromCharCode(digitToBasic(q,0))),bias=adapt(delta,handledCPCountPlusOne,handledCPCount==basicLength),delta=0,++handledCPCount}++delta,++n}return output.join("")}var freeExports="object"==typeof exports&&exports&&!exports.nodeType&&exports,freeModule="object"==typeof module&&module&&!module.nodeType&&module,freeGlobal="object"==typeof global&&global;(freeGlobal.global===freeGlobal||freeGlobal.window===freeGlobal||freeGlobal.self===freeGlobal)&&(root=freeGlobal);var regexSeparators=/[\x2E\u3002\uFF0E\uFF61]/g,errors={overflow:"Overflow: input needs wider integers to process","not-basic":"Illegal input >= 0x80 (not a basic code point)","invalid-input":"Invalid input"},floor=_Mathfloor,stringFromCharCode=_StringfromCharCode,punycode,key;if(punycode={version:"1.4.1",ucs2:{decode:ucs2decode,encode:ucs2encode},decode:decode,encode:encode,toASCII:function(input){return mapDomain(input,function(string){return /[^\x20-\x7E]/.test(string)?"xn--"+encode(string):string})},toUnicode:function(input){return mapDomain(input,function(string){return /^xn--/.test(string)?decode(string.slice(4).toLowerCase()):string})}},"function"==typeof define&&"object"==typeof define.amd&&define.amd)define("punycode",function(){return punycode});else if(!(freeExports&&freeModule))root.punycode=punycode;else if(module.exports==freeExports)freeModule.exports=punycode;else for(key in punycode)punycode.hasOwnProperty(key)&&(freeExports[key]=punycode[key])})(this)}).call(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}],202:[function(require,module){"use strict";function hasOwnProperty(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}module.exports=function(qs,sep,eq,options){sep=sep||"&",eq=eq||"=";var obj={};if("string"!=typeof qs||0===qs.length)return obj;qs=qs.split(sep);var maxKeys=1e3;options&&"number"==typeof options.maxKeys&&(maxKeys=options.maxKeys);var len=qs.length;0<maxKeys&&len>maxKeys&&(len=maxKeys);for(var i=0;i<len;++i){var x=qs[i].replace(/\+/g,"%20"),idx=x.indexOf(eq),kstr,vstr,k,v;0<=idx?(kstr=x.substr(0,idx),vstr=x.substr(idx+1)):(kstr=x,vstr=""),k=decodeURIComponent(kstr),v=decodeURIComponent(vstr),hasOwnProperty(obj,k)?isArray(obj[k])?obj[k].push(v):obj[k]=[obj[k],v]:obj[k]=v}return obj};var isArray=Array.isArray||function(xs){return"[object Array]"===Object.prototype.toString.call(xs)}},{}],203:[function(require,module){"use strict";function map(xs,f){if(xs.map)return xs.map(f);for(var res=[],i=0;i<xs.length;i++)res.push(f(xs[i],i));return res}var stringifyPrimitive=function(v){switch(typeof v){case"string":return v;case"boolean":return v?"true":"false";case"number":return isFinite(v)?v:"";default:return"";}};module.exports=function(obj,sep,eq,name){return sep=sep||"&",eq=eq||"=",null===obj&&(obj=void 0),"object"==typeof obj?map(objectKeys(obj),function(k){var ks=encodeURIComponent(stringifyPrimitive(k))+eq;return isArray(obj[k])?map(obj[k],function(v){return ks+encodeURIComponent(stringifyPrimitive(v))}).join(sep):ks+encodeURIComponent(stringifyPrimitive(obj[k]))}).join(sep):name?encodeURIComponent(stringifyPrimitive(name))+eq+encodeURIComponent(stringifyPrimitive(obj)):""};var isArray=Array.isArray||function(xs){return"[object Array]"===Object.prototype.toString.call(xs)},objectKeys=Object.keys||function(obj){var res=[];for(var key in obj)Object.prototype.hasOwnProperty.call(obj,key)&&res.push(key);return res}},{}],204:[function(require,module,exports){"use strict";exports.decode=exports.parse=require("./decode"),exports.encode=exports.stringify=require("./encode")},{"./decode":202,"./encode":203}],205:[function(require,module){(function(global){(function(){/*! queue-microtask. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */let promise;module.exports="function"==typeof queueMicrotask?queueMicrotask.bind("undefined"==typeof window?global:window):cb=>(promise||(promise=Promise.resolve())).then(cb).catch(err=>setTimeout(()=>{throw err},0))}).call(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}],206:[function(require,module){module.exports="function"==typeof queueMicrotask?queueMicrotask:fn=>Promise.resolve().then(fn)},{}],207:[function(require,module){module.exports=function(list){var offset=0;return function(){if(offset===list.length)return null;var len=list.length-offset,i=0|Math.random()*len,el=list[offset+i],tmp=list[offset];return list[offset]=el,list[offset+i]=tmp,offset++,el}}},{}],208:[function(require,module){(function(process,global){(function(){"use strict";var Buffer=require("safe-buffer").Buffer,crypto=global.crypto||global.msCrypto;module.exports=crypto&&crypto.getRandomValues?function(size,cb){if(size>4294967295)throw new RangeError("requested too many random bytes");var bytes=Buffer.allocUnsafe(size);if(0<size)if(65536<size)for(var generated=0;generated<size;generated+=65536)crypto.getRandomValues(bytes.slice(generated,generated+65536));else crypto.getRandomValues(bytes);return"function"==typeof cb?process.nextTick(function(){cb(null,bytes)}):bytes}:function(){throw new Error("Secure random number generation is not supported by this browser.\nUse Chrome, Firefox or Internet Explorer 11")}}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{_process:192,"safe-buffer":234}],209:[function(require,module,exports){(function(process,global){(function(){"use strict";function oldBrowser(){throw new Error("secure random number generation not supported by this browser\nuse chrome, FireFox or Internet Explorer 11")}function assertOffset(offset,length){if("number"!=typeof offset||offset!==offset)throw new TypeError("offset must be a number");if(4294967295<offset||0>offset)throw new TypeError("offset must be a uint32");if(offset>kBufferMaxLength||offset>length)throw new RangeError("offset out of range")}function assertSize(size,offset,length){if("number"!=typeof size||size!==size)throw new TypeError("size must be a number");if(4294967295<size||0>size)throw new TypeError("size must be a uint32");if(size+offset>length||size>kBufferMaxLength)throw new RangeError("buffer too small")}function actualFill(buf,offset,size,cb){if(process.browser){var ourBuf=buf.buffer,uint=new Uint8Array(ourBuf,offset,size);return crypto.getRandomValues(uint),cb?void process.nextTick(function(){cb(null,buf)}):buf}if(cb)return void randombytes(size,function(err,bytes){return err?cb(err):void(bytes.copy(buf,offset),cb(null,buf))});var bytes=randombytes(size);return bytes.copy(buf,offset),buf}var safeBuffer=require("safe-buffer"),randombytes=require("randombytes"),Buffer=safeBuffer.Buffer,kBufferMaxLength=safeBuffer.kMaxLength,crypto=global.crypto||global.msCrypto,kMaxUint32=_Mathpow(2,32)-1;crypto&&crypto.getRandomValues||!process.browser?(exports.randomFill=function(buf,offset,size,cb){if(!Buffer.isBuffer(buf)&&!(buf instanceof global.Uint8Array))throw new TypeError("\"buf\" argument must be a Buffer or Uint8Array");if("function"==typeof offset)cb=offset,offset=0,size=buf.length;else if("function"==typeof size)cb=size,size=buf.length-offset;else if("function"!=typeof cb)throw new TypeError("\"cb\" argument must be a function");return assertOffset(offset,buf.length),assertSize(size,offset,buf.length),actualFill(buf,offset,size,cb)},exports.randomFillSync=function(buf,offset,size){if("undefined"==typeof offset&&(offset=0),!Buffer.isBuffer(buf)&&!(buf instanceof global.Uint8Array))throw new TypeError("\"buf\" argument must be a Buffer or Uint8Array");return assertOffset(offset,buf.length),void 0===size&&(size=buf.length-offset),assertSize(size,offset,buf.length),actualFill(buf,offset,size)}):(exports.randomFill=oldBrowser,exports.randomFillSync=oldBrowser)}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{_process:192,randombytes:208,"safe-buffer":234}],210:[function(require,module){/*!
|
|
* range-parser
|
|
* Copyright(c) 2012-2014 TJ Holowaychuk
|
|
* Copyright(c) 2015-2016 Douglas Christopher Wilson
|
|
* MIT Licensed
|
|
*/"use strict";function combineRanges(ranges){for(var ordered=ranges.map(mapWithIndex).sort(sortByRangeStart),j=0,i=1;i<ordered.length;i++){var range=ordered[i],current=ordered[j];range.start>current.end+1?ordered[++j]=range:range.end>current.end&&(current.end=range.end,current.index=_Mathmin(current.index,range.index))}ordered.length=j+1;var combined=ordered.sort(sortByRangeIndex).map(mapWithoutIndex);return combined.type=ranges.type,combined}function mapWithIndex(range,index){return{start:range.start,end:range.end,index:index}}function mapWithoutIndex(range){return{start:range.start,end:range.end}}function sortByRangeIndex(a,b){return a.index-b.index}function sortByRangeStart(a,b){return a.start-b.start}module.exports=function(size,str,options){if("string"!=typeof str)throw new TypeError("argument str must be a string");var index=str.indexOf("=");if(-1===index)return-2;var arr=str.slice(index+1).split(","),ranges=[];ranges.type=str.slice(0,index);for(var i=0;i<arr.length;i++){var range=arr[i].split("-"),start=parseInt(range[0],10),end=parseInt(range[1],10);(isNaN(start)?(start=size-end,end=size-1):isNaN(end)&&(end=size-1),end>size-1&&(end=size-1),!(isNaN(start)||isNaN(end)||start>end||0>start))&&ranges.push({start:start,end:end})}return 1>ranges.length?-1:options&&options.combine?combineRanges(ranges):ranges}},{}],211:[function(require,module){const{Writable,PassThrough}=require("readable-stream");module.exports=class extends Writable{constructor(offset,opts={}){super(opts),this.destroyed=!1,this._queue=[],this._position=offset||0,this._cb=null,this._buffer=null,this._out=null}_write(chunk,encoding,cb){let drained=!0;for(;;){if(this.destroyed)return;if(0===this._queue.length)return this._buffer=chunk,void(this._cb=cb);this._buffer=null;var currRange=this._queue[0];const writeStart=_Mathmax(currRange.start-this._position,0),writeEnd=currRange.end-this._position;if(writeStart>=chunk.length)return this._position+=chunk.length,cb(null);let toWrite;if(writeEnd>chunk.length){this._position+=chunk.length,toWrite=0===writeStart?chunk:chunk.slice(writeStart),drained=currRange.stream.write(toWrite)&&drained;break}this._position+=writeEnd,toWrite=0===writeStart&&writeEnd===chunk.length?chunk:chunk.slice(writeStart,writeEnd),drained=currRange.stream.write(toWrite)&&drained,currRange.last&&currRange.stream.end(),chunk=chunk.slice(writeEnd),this._queue.shift()}drained?cb(null):currRange.stream.once("drain",cb.bind(null,null))}slice(ranges){if(this.destroyed)return null;Array.isArray(ranges)||(ranges=[ranges]);const str=new PassThrough;return ranges.forEach((range,i)=>{this._queue.push({start:range.start,end:range.end,stream:str,last:i===ranges.length-1})}),this._buffer&&this._write(this._buffer,null,this._cb),str}destroy(err){this.destroyed||(this.destroyed=!0,err&&this.emit("error",err))}}},{"readable-stream":227}],212:[function(require,module){"use strict";function isInteger(n){return parseInt(n,10)===n}function createRC4(N){function identityPermutation(){for(var s=Array(N),i=0;i<N;i++)s[i]=i;return s}function seed(key){if(void 0===key){key=Array(N);for(var k=0;k<N;k++)key[k]=_Mathfloor(Math.random()*N)}else if("string"==typeof key)key=""+key,key=key.split("").map(function(c){return c.charCodeAt(0)%N});else if(!Array.isArray(key))throw new TypeError("invalid seed key specified");else if(!key.every(function(v){return"number"==typeof v&&v===(0|v)}))throw new TypeError("invalid seed key specified: not array of integers");for(var keylen=key.length,s=identityPermutation(),j=0,i=0;i<N;i++){j=(j+s[i]+key[i%keylen])%N;var tmp=s[i];s[i]=s[j],s[j]=tmp}return s}function RC4(key){this.s=seed(key),this.i=0,this.j=0}return RC4.prototype.randomNative=function(){this.i=(this.i+1)%N,this.j=(this.j+this.s[this.i])%N;var tmp=this.s[this.i];this.s[this.i]=this.s[this.j],this.s[this.j]=tmp;var k=this.s[(this.s[this.i]+this.s[this.j])%N];return k},RC4.prototype.randomUInt32=function(){var a=this.randomByte(),b=this.randomByte(),c=this.randomByte(),d=this.randomByte();return 256*(256*(256*a+b)+c)+d},RC4.prototype.randomFloat=function(){return this.randomUInt32()/4294967296},RC4.prototype.random=function(){var a,b;if(1===arguments.length)a=0,b=arguments[0];else if(2===arguments.length)a=arguments[0],b=arguments[1];else throw new TypeError("random takes one or two integer arguments");if(!isInteger(a)||!isInteger(b))throw new TypeError("random takes one or two integer arguments");return a+this.randomUInt32()%(b-a+1)},RC4.prototype.currentState=function(){return{i:this.i,j:this.j,s:this.s.slice()}},RC4.prototype.setState=function(state){var s=state.s,i=state.i,j=state.j;if(!(i===(0|i)&&0<=i&&i<N))throw new Error("state.i should be integer [0, "+(N-1)+"]");if(!(j===(0|j)&&0<=j&&j<N))throw new Error("state.j should be integer [0, "+(N-1)+"]");if(!Array.isArray(s)||s.length!==N)throw new Error("state should be array of length "+N);for(var k=0;k<N;k++)if(-1===s.indexOf(k))throw new Error("state should be permutation of 0.."+(N-1)+": "+k+" is missing");this.i=i,this.j=j,this.s=s.slice()},RC4}function toHex(n){return 10>n?_StringfromCharCode(48+n):_StringfromCharCode(97+n-10)}function fromHex(c){return parseInt(c,16)}var RC4=createRC4(256);RC4.prototype.randomByte=RC4.prototype.randomNative;var RC4small=createRC4(16);RC4small.prototype.randomByte=function(){var a=this.randomNative(),b=this.randomNative();return 16*a+b};RC4small.prototype.currentStateString=function(){var state=this.currentState(),i=toHex(state.i),j=toHex(state.j),res=i+j+state.s.map(toHex).join("");return res},RC4small.prototype.setStateString=function(stateString){if(!stateString.match(/^[0-9a-f]{18}$/))throw new TypeError("RC4small stateString should be 18 hex character string");var i=fromHex(stateString[0]),j=fromHex(stateString[1]),s=stateString.split("").slice(2).map(fromHex);this.setState({i:i,j:j,s:s})},RC4.RC4small=RC4small,module.exports=RC4},{}],213:[function(require,module){"use strict";function _inheritsLoose(subClass,superClass){subClass.prototype=Object.create(superClass.prototype),subClass.prototype.constructor=subClass,subClass.__proto__=superClass}function createErrorType(code,message,Base){function getMessage(arg1,arg2,arg3){return"string"==typeof message?message:message(arg1,arg2,arg3)}Base||(Base=Error);var NodeError=function(_Base){function NodeError(arg1,arg2,arg3){return _Base.call(this,getMessage(arg1,arg2,arg3))||this}return _inheritsLoose(NodeError,_Base),NodeError}(Base);NodeError.prototype.name=Base.name,NodeError.prototype.code=code,codes[code]=NodeError}function oneOf(expected,thing){if(Array.isArray(expected)){var len=expected.length;return expected=expected.map(function(i){return i+""}),2<len?"one of ".concat(thing," ").concat(expected.slice(0,len-1).join(", "),", or ")+expected[len-1]:2===len?"one of ".concat(thing," ").concat(expected[0]," or ").concat(expected[1]):"of ".concat(thing," ").concat(expected[0])}return"of ".concat(thing," ").concat(expected+"")}function startsWith(str,search,pos){return str.substr(!pos||0>pos?0:+pos,search.length)===search}function endsWith(str,search,this_len){return(void 0===this_len||this_len>str.length)&&(this_len=str.length),str.substring(this_len-search.length,this_len)===search}function includes(str,search,start){return"number"!=typeof start&&(start=0),!(start+search.length>str.length)&&-1!==str.indexOf(search,start)}var codes={};createErrorType("ERR_INVALID_OPT_VALUE",function(name,value){return"The value \""+value+"\" is invalid for option \""+name+"\""},TypeError),createErrorType("ERR_INVALID_ARG_TYPE",function(name,expected,actual){var determiner;"string"==typeof expected&&startsWith(expected,"not ")?(determiner="must not be",expected=expected.replace(/^not /,"")):determiner="must be";var msg;if(endsWith(name," argument"))msg="The ".concat(name," ").concat(determiner," ").concat(oneOf(expected,"type"));else{var type=includes(name,".")?"property":"argument";msg="The \"".concat(name,"\" ").concat(type," ").concat(determiner," ").concat(oneOf(expected,"type"))}return msg+=". Received type ".concat(typeof actual),msg},TypeError),createErrorType("ERR_STREAM_PUSH_AFTER_EOF","stream.push() after EOF"),createErrorType("ERR_METHOD_NOT_IMPLEMENTED",function(name){return"The "+name+" method is not implemented"}),createErrorType("ERR_STREAM_PREMATURE_CLOSE","Premature close"),createErrorType("ERR_STREAM_DESTROYED",function(name){return"Cannot call "+name+" after a stream was destroyed"}),createErrorType("ERR_MULTIPLE_CALLBACK","Callback called multiple times"),createErrorType("ERR_STREAM_CANNOT_PIPE","Cannot pipe, not readable"),createErrorType("ERR_STREAM_WRITE_AFTER_END","write after end"),createErrorType("ERR_STREAM_NULL_VALUES","May not write null values to stream",TypeError),createErrorType("ERR_UNKNOWN_ENCODING",function(arg){return"Unknown encoding: "+arg},TypeError),createErrorType("ERR_STREAM_UNSHIFT_AFTER_END_EVENT","stream.unshift() after end event"),module.exports.codes=codes},{}],214:[function(require,module){(function(process){(function(){"use strict";function Duplex(options){return this instanceof Duplex?void(Readable.call(this,options),Writable.call(this,options),this.allowHalfOpen=!0,options&&(!1===options.readable&&(this.readable=!1),!1===options.writable&&(this.writable=!1),!1===options.allowHalfOpen&&(this.allowHalfOpen=!1,this.once("end",onend)))):new Duplex(options)}function onend(){this._writableState.ended||process.nextTick(onEndNT,this)}function onEndNT(self){self.end()}var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj)keys.push(key);return keys};module.exports=Duplex;var Readable=require("./_stream_readable"),Writable=require("./_stream_writable");require("inherits")(Duplex,Readable);for(var keys=objectKeys(Writable.prototype),v=0,method;v<keys.length;v++)method=keys[v],Duplex.prototype[method]||(Duplex.prototype[method]=Writable.prototype[method]);Object.defineProperty(Duplex.prototype,"writableHighWaterMark",{enumerable:!1,get:function(){return this._writableState.highWaterMark}}),Object.defineProperty(Duplex.prototype,"writableBuffer",{enumerable:!1,get:function(){return this._writableState&&this._writableState.getBuffer()}}),Object.defineProperty(Duplex.prototype,"writableLength",{enumerable:!1,get:function(){return this._writableState.length}}),Object.defineProperty(Duplex.prototype,"destroyed",{enumerable:!1,get:function(){return void 0!==this._readableState&&void 0!==this._writableState&&this._readableState.destroyed&&this._writableState.destroyed},set:function(value){void 0===this._readableState||void 0===this._writableState||(this._readableState.destroyed=value,this._writableState.destroyed=value)}})}).call(this)}).call(this,require("_process"))},{"./_stream_readable":216,"./_stream_writable":218,_process:192,inherits:145}],215:[function(require,module){"use strict";function PassThrough(options){return this instanceof PassThrough?void Transform.call(this,options):new PassThrough(options)}module.exports=PassThrough;var Transform=require("./_stream_transform");require("inherits")(PassThrough,Transform),PassThrough.prototype._transform=function(chunk,encoding,cb){cb(null,chunk)}},{"./_stream_transform":217,inherits:145}],216:[function(require,module){(function(process,global){(function(){"use strict";function _uint8ArrayToBuffer(chunk){return Buffer.from(chunk)}function _isUint8Array(obj){return Buffer.isBuffer(obj)||obj instanceof OurUint8Array}function prependListener(emitter,event,fn){return"function"==typeof emitter.prependListener?emitter.prependListener(event,fn):void(emitter._events&&emitter._events[event]?Array.isArray(emitter._events[event])?emitter._events[event].unshift(fn):emitter._events[event]=[fn,emitter._events[event]]:emitter.on(event,fn))}function ReadableState(options,stream,isDuplex){Duplex=Duplex||require("./_stream_duplex"),options=options||{},"boolean"!=typeof isDuplex&&(isDuplex=stream instanceof Duplex),this.objectMode=!!options.objectMode,isDuplex&&(this.objectMode=this.objectMode||!!options.readableObjectMode),this.highWaterMark=getHighWaterMark(this,options,"readableHighWaterMark",isDuplex),this.buffer=new BufferList,this.length=0,this.pipes=null,this.pipesCount=0,this.flowing=null,this.ended=!1,this.endEmitted=!1,this.reading=!1,this.sync=!0,this.needReadable=!1,this.emittedReadable=!1,this.readableListening=!1,this.resumeScheduled=!1,this.paused=!0,this.emitClose=!1!==options.emitClose,this.autoDestroy=!!options.autoDestroy,this.destroyed=!1,this.defaultEncoding=options.defaultEncoding||"utf8",this.awaitDrain=0,this.readingMore=!1,this.decoder=null,this.encoding=null,options.encoding&&(!StringDecoder&&(StringDecoder=require("string_decoder/").StringDecoder),this.decoder=new StringDecoder(options.encoding),this.encoding=options.encoding)}function Readable(options){if(Duplex=Duplex||require("./_stream_duplex"),!(this instanceof Readable))return new Readable(options);var isDuplex=this instanceof Duplex;this._readableState=new ReadableState(options,this,isDuplex),this.readable=!0,options&&("function"==typeof options.read&&(this._read=options.read),"function"==typeof options.destroy&&(this._destroy=options.destroy)),Stream.call(this)}function readableAddChunk(stream,chunk,encoding,addToFront,skipChunkCheck){debug("readableAddChunk",chunk);var state=stream._readableState;if(null===chunk)state.reading=!1,onEofChunk(stream,state);else{var er;if(skipChunkCheck||(er=chunkInvalid(state,chunk)),er)errorOrDestroy(stream,er);else if(!(state.objectMode||chunk&&0<chunk.length))addToFront||(state.reading=!1,maybeReadMore(stream,state));else if("string"==typeof chunk||state.objectMode||Object.getPrototypeOf(chunk)===Buffer.prototype||(chunk=_uint8ArrayToBuffer(chunk)),addToFront)state.endEmitted?errorOrDestroy(stream,new ERR_STREAM_UNSHIFT_AFTER_END_EVENT):addChunk(stream,state,chunk,!0);else if(state.ended)errorOrDestroy(stream,new ERR_STREAM_PUSH_AFTER_EOF);else{if(state.destroyed)return!1;state.reading=!1,state.decoder&&!encoding?(chunk=state.decoder.write(chunk),state.objectMode||0!==chunk.length?addChunk(stream,state,chunk,!1):maybeReadMore(stream,state)):addChunk(stream,state,chunk,!1)}}return!state.ended&&(state.length<state.highWaterMark||0===state.length)}function addChunk(stream,state,chunk,addToFront){state.flowing&&0===state.length&&!state.sync?(state.awaitDrain=0,stream.emit("data",chunk)):(state.length+=state.objectMode?1:chunk.length,addToFront?state.buffer.unshift(chunk):state.buffer.push(chunk),state.needReadable&&emitReadable(stream)),maybeReadMore(stream,state)}function chunkInvalid(state,chunk){var er;return _isUint8Array(chunk)||"string"==typeof chunk||void 0===chunk||state.objectMode||(er=new ERR_INVALID_ARG_TYPE("chunk",["string","Buffer","Uint8Array"],chunk)),er}function computeNewHighWaterMark(n){return 1073741824<=n?n=1073741824:(n--,n|=n>>>1,n|=n>>>2,n|=n>>>4,n|=n>>>8,n|=n>>>16,n++),n}function howMuchToRead(n,state){return 0>=n||0===state.length&&state.ended?0:state.objectMode?1:n===n?(n>state.highWaterMark&&(state.highWaterMark=computeNewHighWaterMark(n)),n<=state.length?n:state.ended?state.length:(state.needReadable=!0,0)):state.flowing&&state.length?state.buffer.head.data.length:state.length}function onEofChunk(stream,state){if(debug("onEofChunk"),!state.ended){if(state.decoder){var chunk=state.decoder.end();chunk&&chunk.length&&(state.buffer.push(chunk),state.length+=state.objectMode?1:chunk.length)}state.ended=!0,state.sync?emitReadable(stream):(state.needReadable=!1,!state.emittedReadable&&(state.emittedReadable=!0,emitReadable_(stream)))}}function emitReadable(stream){var state=stream._readableState;debug("emitReadable",state.needReadable,state.emittedReadable),state.needReadable=!1,state.emittedReadable||(debug("emitReadable",state.flowing),state.emittedReadable=!0,process.nextTick(emitReadable_,stream))}function emitReadable_(stream){var state=stream._readableState;debug("emitReadable_",state.destroyed,state.length,state.ended),!state.destroyed&&(state.length||state.ended)&&(stream.emit("readable"),state.emittedReadable=!1),state.needReadable=!state.flowing&&!state.ended&&state.length<=state.highWaterMark,flow(stream)}function maybeReadMore(stream,state){state.readingMore||(state.readingMore=!0,process.nextTick(maybeReadMore_,stream,state))}function maybeReadMore_(stream,state){for(;!state.reading&&!state.ended&&(state.length<state.highWaterMark||state.flowing&&0===state.length);){var len=state.length;if(debug("maybeReadMore read 0"),stream.read(0),len===state.length)break}state.readingMore=!1}function pipeOnDrain(src){return function(){var state=src._readableState;debug("pipeOnDrain",state.awaitDrain),state.awaitDrain&&state.awaitDrain--,0===state.awaitDrain&&EElistenerCount(src,"data")&&(state.flowing=!0,flow(src))}}function updateReadableListening(self){var state=self._readableState;state.readableListening=0<self.listenerCount("readable"),state.resumeScheduled&&!state.paused?state.flowing=!0:0<self.listenerCount("data")&&self.resume()}function nReadingNextTick(self){debug("readable nexttick read 0"),self.read(0)}function resume(stream,state){state.resumeScheduled||(state.resumeScheduled=!0,process.nextTick(resume_,stream,state))}function resume_(stream,state){debug("resume",state.reading),state.reading||stream.read(0),state.resumeScheduled=!1,stream.emit("resume"),flow(stream),state.flowing&&!state.reading&&stream.read(0)}function flow(stream){var state=stream._readableState;for(debug("flow",state.flowing);state.flowing&&null!==stream.read(););}function fromList(n,state){if(0===state.length)return null;var ret;return state.objectMode?ret=state.buffer.shift():!n||n>=state.length?(ret=state.decoder?state.buffer.join(""):1===state.buffer.length?state.buffer.first():state.buffer.concat(state.length),state.buffer.clear()):ret=state.buffer.consume(n,state.decoder),ret}function endReadable(stream){var state=stream._readableState;debug("endReadable",state.endEmitted),state.endEmitted||(state.ended=!0,process.nextTick(endReadableNT,state,stream))}function endReadableNT(state,stream){if(debug("endReadableNT",state.endEmitted,state.length),!state.endEmitted&&0===state.length&&(state.endEmitted=!0,stream.readable=!1,stream.emit("end"),state.autoDestroy)){var wState=stream._writableState;(!wState||wState.autoDestroy&&wState.finished)&&stream.destroy()}}function indexOf(xs,x){for(var i=0,l=xs.length;i<l;i++)if(xs[i]===x)return i;return-1}module.exports=Readable;var Duplex;Readable.ReadableState=ReadableState;var EE=require("events").EventEmitter,EElistenerCount=function(emitter,type){return emitter.listeners(type).length},Stream=require("./internal/streams/stream"),Buffer=require("buffer").Buffer,OurUint8Array=global.Uint8Array||function(){},debugUtil=require("util"),debug;debug=debugUtil&&debugUtil.debuglog?debugUtil.debuglog("stream"):function(){};var BufferList=require("./internal/streams/buffer_list"),destroyImpl=require("./internal/streams/destroy"),_require=require("./internal/streams/state"),getHighWaterMark=_require.getHighWaterMark,_require$codes=require("../errors").codes,ERR_INVALID_ARG_TYPE=_require$codes.ERR_INVALID_ARG_TYPE,ERR_STREAM_PUSH_AFTER_EOF=_require$codes.ERR_STREAM_PUSH_AFTER_EOF,ERR_METHOD_NOT_IMPLEMENTED=_require$codes.ERR_METHOD_NOT_IMPLEMENTED,ERR_STREAM_UNSHIFT_AFTER_END_EVENT=_require$codes.ERR_STREAM_UNSHIFT_AFTER_END_EVENT,StringDecoder,createReadableStreamAsyncIterator,from;require("inherits")(Readable,Stream);var errorOrDestroy=destroyImpl.errorOrDestroy,kProxyEvents=["error","close","destroy","pause","resume"];Object.defineProperty(Readable.prototype,"destroyed",{enumerable:!1,get:function(){return void 0!==this._readableState&&this._readableState.destroyed},set:function(value){this._readableState&&(this._readableState.destroyed=value)}}),Readable.prototype.destroy=destroyImpl.destroy,Readable.prototype._undestroy=destroyImpl.undestroy,Readable.prototype._destroy=function(err,cb){cb(err)},Readable.prototype.push=function(chunk,encoding){var state=this._readableState,skipChunkCheck;return state.objectMode?skipChunkCheck=!0:"string"==typeof chunk&&(encoding=encoding||state.defaultEncoding,encoding!==state.encoding&&(chunk=Buffer.from(chunk,encoding),encoding=""),skipChunkCheck=!0),readableAddChunk(this,chunk,encoding,!1,skipChunkCheck)},Readable.prototype.unshift=function(chunk){return readableAddChunk(this,chunk,null,!0,!1)},Readable.prototype.isPaused=function(){return!1===this._readableState.flowing},Readable.prototype.setEncoding=function(enc){StringDecoder||(StringDecoder=require("string_decoder/").StringDecoder);var decoder=new StringDecoder(enc);this._readableState.decoder=decoder,this._readableState.encoding=this._readableState.decoder.encoding;for(var p=this._readableState.buffer.head,content="";null!==p;)content+=decoder.write(p.data),p=p.next;return this._readableState.buffer.clear(),""!==content&&this._readableState.buffer.push(content),this._readableState.length=content.length,this};Readable.prototype.read=function(n){debug("read",n),n=parseInt(n,10);var state=this._readableState,nOrig=n;if(0!==n&&(state.emittedReadable=!1),0===n&&state.needReadable&&((0===state.highWaterMark?0<state.length:state.length>=state.highWaterMark)||state.ended))return debug("read: emitReadable",state.length,state.ended),0===state.length&&state.ended?endReadable(this):emitReadable(this),null;if(n=howMuchToRead(n,state),0===n&&state.ended)return 0===state.length&&endReadable(this),null;var doRead=state.needReadable;debug("need readable",doRead),(0===state.length||state.length-n<state.highWaterMark)&&(doRead=!0,debug("length less than watermark",doRead)),state.ended||state.reading?(doRead=!1,debug("reading or ended",doRead)):doRead&&(debug("do read"),state.reading=!0,state.sync=!0,0===state.length&&(state.needReadable=!0),this._read(state.highWaterMark),state.sync=!1,!state.reading&&(n=howMuchToRead(nOrig,state)));var ret;return ret=0<n?fromList(n,state):null,null===ret?(state.needReadable=state.length<=state.highWaterMark,n=0):(state.length-=n,state.awaitDrain=0),0===state.length&&(!state.ended&&(state.needReadable=!0),nOrig!==n&&state.ended&&endReadable(this)),null!==ret&&this.emit("data",ret),ret},Readable.prototype._read=function(){errorOrDestroy(this,new ERR_METHOD_NOT_IMPLEMENTED("_read()"))},Readable.prototype.pipe=function(dest,pipeOpts){function onunpipe(readable,unpipeInfo){debug("onunpipe"),readable===src&&unpipeInfo&&!1===unpipeInfo.hasUnpiped&&(unpipeInfo.hasUnpiped=!0,cleanup())}function onend(){debug("onend"),dest.end()}function cleanup(){debug("cleanup"),dest.removeListener("close",onclose),dest.removeListener("finish",onfinish),dest.removeListener("drain",ondrain),dest.removeListener("error",onerror),dest.removeListener("unpipe",onunpipe),src.removeListener("end",onend),src.removeListener("end",unpipe),src.removeListener("data",ondata),cleanedUp=!0,state.awaitDrain&&(!dest._writableState||dest._writableState.needDrain)&&ondrain()}function ondata(chunk){debug("ondata");var ret=dest.write(chunk);debug("dest.write",ret),!1===ret&&((1===state.pipesCount&&state.pipes===dest||1<state.pipesCount&&-1!==indexOf(state.pipes,dest))&&!cleanedUp&&(debug("false write response, pause",state.awaitDrain),state.awaitDrain++),src.pause())}function onerror(er){debug("onerror",er),unpipe(),dest.removeListener("error",onerror),0===EElistenerCount(dest,"error")&&errorOrDestroy(dest,er)}function onclose(){dest.removeListener("finish",onfinish),unpipe()}function onfinish(){debug("onfinish"),dest.removeListener("close",onclose),unpipe()}function unpipe(){debug("unpipe"),src.unpipe(dest)}var src=this,state=this._readableState;switch(state.pipesCount){case 0:state.pipes=dest;break;case 1:state.pipes=[state.pipes,dest];break;default:state.pipes.push(dest);}state.pipesCount+=1,debug("pipe count=%d opts=%j",state.pipesCount,pipeOpts);var doEnd=(!pipeOpts||!1!==pipeOpts.end)&&dest!==process.stdout&&dest!==process.stderr,endFn=doEnd?onend:unpipe;state.endEmitted?process.nextTick(endFn):src.once("end",endFn),dest.on("unpipe",onunpipe);var ondrain=pipeOnDrain(src);dest.on("drain",ondrain);var cleanedUp=!1;return src.on("data",ondata),prependListener(dest,"error",onerror),dest.once("close",onclose),dest.once("finish",onfinish),dest.emit("pipe",src),state.flowing||(debug("pipe resume"),src.resume()),dest},Readable.prototype.unpipe=function(dest){var state=this._readableState,unpipeInfo={hasUnpiped:!1};if(0===state.pipesCount)return this;if(1===state.pipesCount)return dest&&dest!==state.pipes?this:(dest||(dest=state.pipes),state.pipes=null,state.pipesCount=0,state.flowing=!1,dest&&dest.emit("unpipe",this,unpipeInfo),this);if(!dest){var dests=state.pipes,len=state.pipesCount;state.pipes=null,state.pipesCount=0,state.flowing=!1;for(var i=0;i<len;i++)dests[i].emit("unpipe",this,{hasUnpiped:!1});return this}var index=indexOf(state.pipes,dest);return-1===index?this:(state.pipes.splice(index,1),state.pipesCount-=1,1===state.pipesCount&&(state.pipes=state.pipes[0]),dest.emit("unpipe",this,unpipeInfo),this)},Readable.prototype.on=function(ev,fn){var res=Stream.prototype.on.call(this,ev,fn),state=this._readableState;return"data"===ev?(state.readableListening=0<this.listenerCount("readable"),!1!==state.flowing&&this.resume()):"readable"==ev&&!state.endEmitted&&!state.readableListening&&(state.readableListening=state.needReadable=!0,state.flowing=!1,state.emittedReadable=!1,debug("on readable",state.length,state.reading),state.length?emitReadable(this):!state.reading&&process.nextTick(nReadingNextTick,this)),res},Readable.prototype.addListener=Readable.prototype.on,Readable.prototype.removeListener=function(ev,fn){var res=Stream.prototype.removeListener.call(this,ev,fn);return"readable"===ev&&process.nextTick(updateReadableListening,this),res},Readable.prototype.removeAllListeners=function(ev){var res=Stream.prototype.removeAllListeners.apply(this,arguments);return("readable"===ev||void 0===ev)&&process.nextTick(updateReadableListening,this),res},Readable.prototype.resume=function(){var state=this._readableState;return state.flowing||(debug("resume"),state.flowing=!state.readableListening,resume(this,state)),state.paused=!1,this},Readable.prototype.pause=function(){return debug("call pause flowing=%j",this._readableState.flowing),!1!==this._readableState.flowing&&(debug("pause"),this._readableState.flowing=!1,this.emit("pause")),this._readableState.paused=!0,this},Readable.prototype.wrap=function(stream){var _this=this,state=this._readableState,paused=!1;for(var i in stream.on("end",function(){if(debug("wrapped end"),state.decoder&&!state.ended){var chunk=state.decoder.end();chunk&&chunk.length&&_this.push(chunk)}_this.push(null)}),stream.on("data",function(chunk){if((debug("wrapped data"),state.decoder&&(chunk=state.decoder.write(chunk)),!(state.objectMode&&(null===chunk||void 0===chunk)))&&(state.objectMode||chunk&&chunk.length)){var ret=_this.push(chunk);ret||(paused=!0,stream.pause())}}),stream)void 0===this[i]&&"function"==typeof stream[i]&&(this[i]=function(method){return function(){return stream[method].apply(stream,arguments)}}(i));for(var n=0;n<kProxyEvents.length;n++)stream.on(kProxyEvents[n],this.emit.bind(this,kProxyEvents[n]));return this._read=function(n){debug("wrapped _read",n),paused&&(paused=!1,stream.resume())},this},"function"==typeof Symbol&&(Readable.prototype[Symbol.asyncIterator]=function(){return void 0===createReadableStreamAsyncIterator&&(createReadableStreamAsyncIterator=require("./internal/streams/async_iterator")),createReadableStreamAsyncIterator(this)}),Object.defineProperty(Readable.prototype,"readableHighWaterMark",{enumerable:!1,get:function(){return this._readableState.highWaterMark}}),Object.defineProperty(Readable.prototype,"readableBuffer",{enumerable:!1,get:function(){return this._readableState&&this._readableState.buffer}}),Object.defineProperty(Readable.prototype,"readableFlowing",{enumerable:!1,get:function(){return this._readableState.flowing},set:function(state){this._readableState&&(this._readableState.flowing=state)}}),Readable._fromList=fromList,Object.defineProperty(Readable.prototype,"readableLength",{enumerable:!1,get:function(){return this._readableState.length}}),"function"==typeof Symbol&&(Readable.from=function(iterable,opts){return void 0===from&&(from=require("./internal/streams/from")),from(Readable,iterable,opts)})}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"../errors":213,"./_stream_duplex":214,"./internal/streams/async_iterator":219,"./internal/streams/buffer_list":220,"./internal/streams/destroy":221,"./internal/streams/from":223,"./internal/streams/state":225,"./internal/streams/stream":226,_process:192,buffer:75,events:122,inherits:145,"string_decoder/":264,util:41}],217:[function(require,module){"use strict";function afterTransform(er,data){var ts=this._transformState;ts.transforming=!1;var cb=ts.writecb;if(null===cb)return this.emit("error",new ERR_MULTIPLE_CALLBACK);ts.writechunk=null,ts.writecb=null,null!=data&&this.push(data),cb(er);var rs=this._readableState;rs.reading=!1,(rs.needReadable||rs.length<rs.highWaterMark)&&this._read(rs.highWaterMark)}function Transform(options){return this instanceof Transform?void(Duplex.call(this,options),this._transformState={afterTransform:afterTransform.bind(this),needTransform:!1,transforming:!1,writecb:null,writechunk:null,writeencoding:null},this._readableState.needReadable=!0,this._readableState.sync=!1,options&&("function"==typeof options.transform&&(this._transform=options.transform),"function"==typeof options.flush&&(this._flush=options.flush)),this.on("prefinish",prefinish)):new Transform(options)}function prefinish(){var _this=this;"function"!=typeof this._flush||this._readableState.destroyed?done(this,null,null):this._flush(function(er,data){done(_this,er,data)})}function done(stream,er,data){if(er)return stream.emit("error",er);if(null!=data&&stream.push(data),stream._writableState.length)throw new ERR_TRANSFORM_WITH_LENGTH_0;if(stream._transformState.transforming)throw new ERR_TRANSFORM_ALREADY_TRANSFORMING;return stream.push(null)}module.exports=Transform;var _require$codes=require("../errors").codes,ERR_METHOD_NOT_IMPLEMENTED=_require$codes.ERR_METHOD_NOT_IMPLEMENTED,ERR_MULTIPLE_CALLBACK=_require$codes.ERR_MULTIPLE_CALLBACK,ERR_TRANSFORM_ALREADY_TRANSFORMING=_require$codes.ERR_TRANSFORM_ALREADY_TRANSFORMING,ERR_TRANSFORM_WITH_LENGTH_0=_require$codes.ERR_TRANSFORM_WITH_LENGTH_0,Duplex=require("./_stream_duplex");require("inherits")(Transform,Duplex),Transform.prototype.push=function(chunk,encoding){return this._transformState.needTransform=!1,Duplex.prototype.push.call(this,chunk,encoding)},Transform.prototype._transform=function(chunk,encoding,cb){cb(new ERR_METHOD_NOT_IMPLEMENTED("_transform()"))},Transform.prototype._write=function(chunk,encoding,cb){var ts=this._transformState;if(ts.writecb=cb,ts.writechunk=chunk,ts.writeencoding=encoding,!ts.transforming){var rs=this._readableState;(ts.needTransform||rs.needReadable||rs.length<rs.highWaterMark)&&this._read(rs.highWaterMark)}},Transform.prototype._read=function(){var ts=this._transformState;null===ts.writechunk||ts.transforming?ts.needTransform=!0:(ts.transforming=!0,this._transform(ts.writechunk,ts.writeencoding,ts.afterTransform))},Transform.prototype._destroy=function(err,cb){Duplex.prototype._destroy.call(this,err,function(err2){cb(err2)})}},{"../errors":213,"./_stream_duplex":214,inherits:145}],218:[function(require,module){(function(process,global){(function(){"use strict";function CorkedRequest(state){var _this=this;this.next=null,this.entry=null,this.finish=function(){onCorkedFinish(_this,state)}}function _uint8ArrayToBuffer(chunk){return Buffer.from(chunk)}function _isUint8Array(obj){return Buffer.isBuffer(obj)||obj instanceof OurUint8Array}function nop(){}function WritableState(options,stream,isDuplex){Duplex=Duplex||require("./_stream_duplex"),options=options||{},"boolean"!=typeof isDuplex&&(isDuplex=stream instanceof Duplex),this.objectMode=!!options.objectMode,isDuplex&&(this.objectMode=this.objectMode||!!options.writableObjectMode),this.highWaterMark=getHighWaterMark(this,options,"writableHighWaterMark",isDuplex),this.finalCalled=!1,this.needDrain=!1,this.ending=!1,this.ended=!1,this.finished=!1,this.destroyed=!1;var noDecode=!1===options.decodeStrings;this.decodeStrings=!noDecode,this.defaultEncoding=options.defaultEncoding||"utf8",this.length=0,this.writing=!1,this.corked=0,this.sync=!0,this.bufferProcessing=!1,this.onwrite=function(er){onwrite(stream,er)},this.writecb=null,this.writelen=0,this.bufferedRequest=null,this.lastBufferedRequest=null,this.pendingcb=0,this.prefinished=!1,this.errorEmitted=!1,this.emitClose=!1!==options.emitClose,this.autoDestroy=!!options.autoDestroy,this.bufferedRequestCount=0,this.corkedRequestsFree=new CorkedRequest(this)}function Writable(options){Duplex=Duplex||require("./_stream_duplex");var isDuplex=this instanceof Duplex;return isDuplex||realHasInstance.call(Writable,this)?void(this._writableState=new WritableState(options,this,isDuplex),this.writable=!0,options&&("function"==typeof options.write&&(this._write=options.write),"function"==typeof options.writev&&(this._writev=options.writev),"function"==typeof options.destroy&&(this._destroy=options.destroy),"function"==typeof options.final&&(this._final=options.final)),Stream.call(this)):new Writable(options)}function writeAfterEnd(stream,cb){var er=new ERR_STREAM_WRITE_AFTER_END;errorOrDestroy(stream,er),process.nextTick(cb,er)}function validChunk(stream,state,chunk,cb){var er;return null===chunk?er=new ERR_STREAM_NULL_VALUES:"string"!=typeof chunk&&!state.objectMode&&(er=new ERR_INVALID_ARG_TYPE("chunk",["string","Buffer"],chunk)),!er||(errorOrDestroy(stream,er),process.nextTick(cb,er),!1)}function decodeChunk(state,chunk,encoding){return state.objectMode||!1===state.decodeStrings||"string"!=typeof chunk||(chunk=Buffer.from(chunk,encoding)),chunk}function writeOrBuffer(stream,state,isBuf,chunk,encoding,cb){if(!isBuf){var newChunk=decodeChunk(state,chunk,encoding);chunk!==newChunk&&(isBuf=!0,encoding="buffer",chunk=newChunk)}var len=state.objectMode?1:chunk.length;state.length+=len;var ret=state.length<state.highWaterMark;if(ret||(state.needDrain=!0),state.writing||state.corked){var last=state.lastBufferedRequest;state.lastBufferedRequest={chunk:chunk,encoding:encoding,isBuf:isBuf,callback:cb,next:null},last?last.next=state.lastBufferedRequest:state.bufferedRequest=state.lastBufferedRequest,state.bufferedRequestCount+=1}else doWrite(stream,state,!1,len,chunk,encoding,cb);return ret}function doWrite(stream,state,writev,len,chunk,encoding,cb){state.writelen=len,state.writecb=cb,state.writing=!0,state.sync=!0,state.destroyed?state.onwrite(new ERR_STREAM_DESTROYED("write")):writev?stream._writev(chunk,state.onwrite):stream._write(chunk,encoding,state.onwrite),state.sync=!1}function onwriteError(stream,state,sync,er,cb){--state.pendingcb,sync?(process.nextTick(cb,er),process.nextTick(finishMaybe,stream,state),stream._writableState.errorEmitted=!0,errorOrDestroy(stream,er)):(cb(er),stream._writableState.errorEmitted=!0,errorOrDestroy(stream,er),finishMaybe(stream,state))}function onwriteStateUpdate(state){state.writing=!1,state.writecb=null,state.length-=state.writelen,state.writelen=0}function onwrite(stream,er){var state=stream._writableState,sync=state.sync,cb=state.writecb;if("function"!=typeof cb)throw new ERR_MULTIPLE_CALLBACK;if(onwriteStateUpdate(state),er)onwriteError(stream,state,sync,er,cb);else{var finished=needFinish(state)||stream.destroyed;finished||state.corked||state.bufferProcessing||!state.bufferedRequest||clearBuffer(stream,state),sync?process.nextTick(afterWrite,stream,state,finished,cb):afterWrite(stream,state,finished,cb)}}function afterWrite(stream,state,finished,cb){finished||onwriteDrain(stream,state),state.pendingcb--,cb(),finishMaybe(stream,state)}function onwriteDrain(stream,state){0===state.length&&state.needDrain&&(state.needDrain=!1,stream.emit("drain"))}function clearBuffer(stream,state){state.bufferProcessing=!0;var entry=state.bufferedRequest;if(stream._writev&&entry&&entry.next){var l=state.bufferedRequestCount,buffer=Array(l),holder=state.corkedRequestsFree;holder.entry=entry;for(var count=0,allBuffers=!0;entry;)buffer[count]=entry,entry.isBuf||(allBuffers=!1),entry=entry.next,count+=1;buffer.allBuffers=allBuffers,doWrite(stream,state,!0,state.length,buffer,"",holder.finish),state.pendingcb++,state.lastBufferedRequest=null,holder.next?(state.corkedRequestsFree=holder.next,holder.next=null):state.corkedRequestsFree=new CorkedRequest(state),state.bufferedRequestCount=0}else{for(;entry;){var chunk=entry.chunk,encoding=entry.encoding,cb=entry.callback,len=state.objectMode?1:chunk.length;if(doWrite(stream,state,!1,len,chunk,encoding,cb),entry=entry.next,state.bufferedRequestCount--,state.writing)break}null===entry&&(state.lastBufferedRequest=null)}state.bufferedRequest=entry,state.bufferProcessing=!1}function needFinish(state){return state.ending&&0===state.length&&null===state.bufferedRequest&&!state.finished&&!state.writing}function callFinal(stream,state){stream._final(function(err){state.pendingcb--,err&&errorOrDestroy(stream,err),state.prefinished=!0,stream.emit("prefinish"),finishMaybe(stream,state)})}function prefinish(stream,state){state.prefinished||state.finalCalled||("function"!=typeof stream._final||state.destroyed?(state.prefinished=!0,stream.emit("prefinish")):(state.pendingcb++,state.finalCalled=!0,process.nextTick(callFinal,stream,state)))}function finishMaybe(stream,state){var need=needFinish(state);if(need&&(prefinish(stream,state),0===state.pendingcb&&(state.finished=!0,stream.emit("finish"),state.autoDestroy))){var rState=stream._readableState;(!rState||rState.autoDestroy&&rState.endEmitted)&&stream.destroy()}return need}function endWritable(stream,state,cb){state.ending=!0,finishMaybe(stream,state),cb&&(state.finished?process.nextTick(cb):stream.once("finish",cb)),state.ended=!0,stream.writable=!1}function onCorkedFinish(corkReq,state,err){var entry=corkReq.entry;for(corkReq.entry=null;entry;){var cb=entry.callback;state.pendingcb--,cb(err),entry=entry.next}state.corkedRequestsFree.next=corkReq}module.exports=Writable;var Duplex;Writable.WritableState=WritableState;var internalUtil={deprecate:require("util-deprecate")},Stream=require("./internal/streams/stream"),Buffer=require("buffer").Buffer,OurUint8Array=global.Uint8Array||function(){},destroyImpl=require("./internal/streams/destroy"),_require=require("./internal/streams/state"),getHighWaterMark=_require.getHighWaterMark,_require$codes=require("../errors").codes,ERR_INVALID_ARG_TYPE=_require$codes.ERR_INVALID_ARG_TYPE,ERR_METHOD_NOT_IMPLEMENTED=_require$codes.ERR_METHOD_NOT_IMPLEMENTED,ERR_MULTIPLE_CALLBACK=_require$codes.ERR_MULTIPLE_CALLBACK,ERR_STREAM_CANNOT_PIPE=_require$codes.ERR_STREAM_CANNOT_PIPE,ERR_STREAM_DESTROYED=_require$codes.ERR_STREAM_DESTROYED,ERR_STREAM_NULL_VALUES=_require$codes.ERR_STREAM_NULL_VALUES,ERR_STREAM_WRITE_AFTER_END=_require$codes.ERR_STREAM_WRITE_AFTER_END,ERR_UNKNOWN_ENCODING=_require$codes.ERR_UNKNOWN_ENCODING,errorOrDestroy=destroyImpl.errorOrDestroy;require("inherits")(Writable,Stream),WritableState.prototype.getBuffer=function(){for(var current=this.bufferedRequest,out=[];current;)out.push(current),current=current.next;return out},function(){try{Object.defineProperty(WritableState.prototype,"buffer",{get:internalUtil.deprecate(function(){return this.getBuffer()},"_writableState.buffer is deprecated. Use _writableState.getBuffer instead.","DEP0003")})}catch(_){}}();var realHasInstance;"function"==typeof Symbol&&Symbol.hasInstance&&"function"==typeof Function.prototype[Symbol.hasInstance]?(realHasInstance=Function.prototype[Symbol.hasInstance],Object.defineProperty(Writable,Symbol.hasInstance,{value:function(object){return!!realHasInstance.call(this,object)||!(this!==Writable)&&object&&object._writableState instanceof WritableState}})):realHasInstance=function(object){return object instanceof this},Writable.prototype.pipe=function(){errorOrDestroy(this,new ERR_STREAM_CANNOT_PIPE)},Writable.prototype.write=function(chunk,encoding,cb){var state=this._writableState,ret=!1,isBuf=!state.objectMode&&_isUint8Array(chunk);return isBuf&&!Buffer.isBuffer(chunk)&&(chunk=_uint8ArrayToBuffer(chunk)),"function"==typeof encoding&&(cb=encoding,encoding=null),isBuf?encoding="buffer":!encoding&&(encoding=state.defaultEncoding),"function"!=typeof cb&&(cb=nop),state.ending?writeAfterEnd(this,cb):(isBuf||validChunk(this,state,chunk,cb))&&(state.pendingcb++,ret=writeOrBuffer(this,state,isBuf,chunk,encoding,cb)),ret},Writable.prototype.cork=function(){this._writableState.corked++},Writable.prototype.uncork=function(){var state=this._writableState;state.corked&&(state.corked--,!state.writing&&!state.corked&&!state.bufferProcessing&&state.bufferedRequest&&clearBuffer(this,state))},Writable.prototype.setDefaultEncoding=function(encoding){if("string"==typeof encoding&&(encoding=encoding.toLowerCase()),!(-1<["hex","utf8","utf-8","ascii","binary","base64","ucs2","ucs-2","utf16le","utf-16le","raw"].indexOf((encoding+"").toLowerCase())))throw new ERR_UNKNOWN_ENCODING(encoding);return this._writableState.defaultEncoding=encoding,this},Object.defineProperty(Writable.prototype,"writableBuffer",{enumerable:!1,get:function(){return this._writableState&&this._writableState.getBuffer()}}),Object.defineProperty(Writable.prototype,"writableHighWaterMark",{enumerable:!1,get:function(){return this._writableState.highWaterMark}}),Writable.prototype._write=function(chunk,encoding,cb){cb(new ERR_METHOD_NOT_IMPLEMENTED("_write()"))},Writable.prototype._writev=null,Writable.prototype.end=function(chunk,encoding,cb){var state=this._writableState;return"function"==typeof chunk?(cb=chunk,chunk=null,encoding=null):"function"==typeof encoding&&(cb=encoding,encoding=null),null!==chunk&&void 0!==chunk&&this.write(chunk,encoding),state.corked&&(state.corked=1,this.uncork()),state.ending||endWritable(this,state,cb),this},Object.defineProperty(Writable.prototype,"writableLength",{enumerable:!1,get:function(){return this._writableState.length}}),Object.defineProperty(Writable.prototype,"destroyed",{enumerable:!1,get:function(){return void 0!==this._writableState&&this._writableState.destroyed},set:function(value){this._writableState&&(this._writableState.destroyed=value)}}),Writable.prototype.destroy=destroyImpl.destroy,Writable.prototype._undestroy=destroyImpl.undestroy,Writable.prototype._destroy=function(err,cb){cb(err)}}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"../errors":213,"./_stream_duplex":214,"./internal/streams/destroy":221,"./internal/streams/state":225,"./internal/streams/stream":226,_process:192,buffer:75,inherits:145,"util-deprecate":276}],219:[function(require,module){(function(process){(function(){"use strict";function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}function createIterResult(value,done){return{value:value,done:done}}function readAndResolve(iter){var resolve=iter[kLastResolve];if(null!==resolve){var data=iter[kStream].read();null!==data&&(iter[kLastPromise]=null,iter[kLastResolve]=null,iter[kLastReject]=null,resolve(createIterResult(data,!1)))}}function onReadable(iter){process.nextTick(readAndResolve,iter)}function wrapForNext(lastPromise,iter){return function(resolve,reject){lastPromise.then(function(){return iter[kEnded]?void resolve(createIterResult(void 0,!0)):void iter[kHandlePromise](resolve,reject)},reject)}}var finished=require("./end-of-stream"),kLastResolve=Symbol("lastResolve"),kLastReject=Symbol("lastReject"),kError=Symbol("error"),kEnded=Symbol("ended"),kLastPromise=Symbol("lastPromise"),kHandlePromise=Symbol("handlePromise"),kStream=Symbol("stream"),AsyncIteratorPrototype=Object.getPrototypeOf(function(){}),ReadableStreamAsyncIteratorPrototype=Object.setPrototypeOf((_Object$setPrototypeO={get stream(){return this[kStream]},next:function(){var _this=this,error=this[kError];if(null!==error)return Promise.reject(error);if(this[kEnded])return Promise.resolve(createIterResult(void 0,!0));if(this[kStream].destroyed)return new Promise(function(resolve,reject){process.nextTick(function(){_this[kError]?reject(_this[kError]):resolve(createIterResult(void 0,!0))})});var lastPromise=this[kLastPromise],promise;if(lastPromise)promise=new Promise(wrapForNext(lastPromise,this));else{var data=this[kStream].read();if(null!==data)return Promise.resolve(createIterResult(data,!1));promise=new Promise(this[kHandlePromise])}return this[kLastPromise]=promise,promise}},_defineProperty(_Object$setPrototypeO,Symbol.asyncIterator,function(){return this}),_defineProperty(_Object$setPrototypeO,"return",function(){var _this2=this;return new Promise(function(resolve,reject){_this2[kStream].destroy(null,function(err){return err?void reject(err):void resolve(createIterResult(void 0,!0))})})}),_Object$setPrototypeO),AsyncIteratorPrototype),_Object$setPrototypeO;module.exports=function(stream){var iterator=Object.create(ReadableStreamAsyncIteratorPrototype,(_Object$create={},_defineProperty(_Object$create,kStream,{value:stream,writable:!0}),_defineProperty(_Object$create,kLastResolve,{value:null,writable:!0}),_defineProperty(_Object$create,kLastReject,{value:null,writable:!0}),_defineProperty(_Object$create,kError,{value:null,writable:!0}),_defineProperty(_Object$create,kEnded,{value:stream._readableState.endEmitted,writable:!0}),_defineProperty(_Object$create,kHandlePromise,{value:function(resolve,reject){var data=iterator[kStream].read();data?(iterator[kLastPromise]=null,iterator[kLastResolve]=null,iterator[kLastReject]=null,resolve(createIterResult(data,!1))):(iterator[kLastResolve]=resolve,iterator[kLastReject]=reject)},writable:!0}),_Object$create)),_Object$create;return iterator[kLastPromise]=null,finished(stream,function(err){if(err&&"ERR_STREAM_PREMATURE_CLOSE"!==err.code){var reject=iterator[kLastReject];return null!==reject&&(iterator[kLastPromise]=null,iterator[kLastResolve]=null,iterator[kLastReject]=null,reject(err)),void(iterator[kError]=err)}var resolve=iterator[kLastResolve];null!==resolve&&(iterator[kLastPromise]=null,iterator[kLastResolve]=null,iterator[kLastReject]=null,resolve(createIterResult(void 0,!0))),iterator[kEnded]=!0}),stream.on("readable",onReadable.bind(null,iterator)),iterator}}).call(this)}).call(this,require("_process"))},{"./end-of-stream":222,_process:192}],220:[function(require,module){"use strict";function ownKeys(object,enumerableOnly){var keys=Object.keys(object);if(Object.getOwnPropertySymbols){var symbols=Object.getOwnPropertySymbols(object);enumerableOnly&&(symbols=symbols.filter(function(sym){return Object.getOwnPropertyDescriptor(object,sym).enumerable})),keys.push.apply(keys,symbols)}return keys}function _objectSpread(target){for(var i=1,source;i<arguments.length;i++)source=null==arguments[i]?{}:arguments[i],i%2?ownKeys(Object(source),!0).forEach(function(key){_defineProperty(target,key,source[key])}):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach(function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key))});return target}function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}function _defineProperties(target,props){for(var i=0,descriptor;i<props.length;i++)descriptor=props[i],descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}function _createClass(Constructor,protoProps,staticProps){return protoProps&&_defineProperties(Constructor.prototype,protoProps),staticProps&&_defineProperties(Constructor,staticProps),Constructor}function copyBuffer(src,target,offset){Buffer.prototype.copy.call(src,target,offset)}var _require=require("buffer"),Buffer=_require.Buffer,_require2=require("util"),inspect=_require2.inspect,custom=inspect&&inspect.custom||"inspect";module.exports=function(){function BufferList(){_classCallCheck(this,BufferList),this.head=null,this.tail=null,this.length=0}return _createClass(BufferList,[{key:"push",value:function(v){var entry={data:v,next:null};0<this.length?this.tail.next=entry:this.head=entry,this.tail=entry,++this.length}},{key:"unshift",value:function(v){var entry={data:v,next:this.head};0===this.length&&(this.tail=entry),this.head=entry,++this.length}},{key:"shift",value:function(){if(0!==this.length){var ret=this.head.data;return this.head=1===this.length?this.tail=null:this.head.next,--this.length,ret}}},{key:"clear",value:function(){this.head=this.tail=null,this.length=0}},{key:"join",value:function(s){if(0===this.length)return"";for(var p=this.head,ret=""+p.data;p=p.next;)ret+=s+p.data;return ret}},{key:"concat",value:function(n){if(0===this.length)return Buffer.alloc(0);for(var ret=Buffer.allocUnsafe(n>>>0),p=this.head,i=0;p;)copyBuffer(p.data,ret,i),i+=p.data.length,p=p.next;return ret}},{key:"consume",value:function(n,hasStrings){var ret;return n<this.head.data.length?(ret=this.head.data.slice(0,n),this.head.data=this.head.data.slice(n)):n===this.head.data.length?ret=this.shift():ret=hasStrings?this._getString(n):this._getBuffer(n),ret}},{key:"first",value:function(){return this.head.data}},{key:"_getString",value:function(n){var p=this.head,c=1,ret=p.data;for(n-=ret.length;p=p.next;){var str=p.data,nb=n>str.length?str.length:n;if(ret+=nb===str.length?str:str.slice(0,n),n-=nb,0===n){nb===str.length?(++c,this.head=p.next?p.next:this.tail=null):(this.head=p,p.data=str.slice(nb));break}++c}return this.length-=c,ret}},{key:"_getBuffer",value:function(n){var ret=Buffer.allocUnsafe(n),p=this.head,c=1;for(p.data.copy(ret),n-=p.data.length;p=p.next;){var buf=p.data,nb=n>buf.length?buf.length:n;if(buf.copy(ret,ret.length-n,0,nb),n-=nb,0===n){nb===buf.length?(++c,this.head=p.next?p.next:this.tail=null):(this.head=p,p.data=buf.slice(nb));break}++c}return this.length-=c,ret}},{key:custom,value:function(_,options){return inspect(this,_objectSpread({},options,{depth:0,customInspect:!1}))}}]),BufferList}()},{buffer:75,util:41}],221:[function(require,module){(function(process){(function(){"use strict";function emitErrorAndCloseNT(self,err){emitErrorNT(self,err),emitCloseNT(self)}function emitCloseNT(self){self._writableState&&!self._writableState.emitClose||self._readableState&&!self._readableState.emitClose||self.emit("close")}function emitErrorNT(self,err){self.emit("error",err)}module.exports={destroy:function(err,cb){var _this=this,readableDestroyed=this._readableState&&this._readableState.destroyed,writableDestroyed=this._writableState&&this._writableState.destroyed;return readableDestroyed||writableDestroyed?(cb?cb(err):err&&(this._writableState?!this._writableState.errorEmitted&&(this._writableState.errorEmitted=!0,process.nextTick(emitErrorNT,this,err)):process.nextTick(emitErrorNT,this,err)),this):(this._readableState&&(this._readableState.destroyed=!0),this._writableState&&(this._writableState.destroyed=!0),this._destroy(err||null,function(err){!cb&&err?_this._writableState?_this._writableState.errorEmitted?process.nextTick(emitCloseNT,_this):(_this._writableState.errorEmitted=!0,process.nextTick(emitErrorAndCloseNT,_this,err)):process.nextTick(emitErrorAndCloseNT,_this,err):cb?(process.nextTick(emitCloseNT,_this),cb(err)):process.nextTick(emitCloseNT,_this)}),this)},undestroy:function(){this._readableState&&(this._readableState.destroyed=!1,this._readableState.reading=!1,this._readableState.ended=!1,this._readableState.endEmitted=!1),this._writableState&&(this._writableState.destroyed=!1,this._writableState.ended=!1,this._writableState.ending=!1,this._writableState.finalCalled=!1,this._writableState.prefinished=!1,this._writableState.finished=!1,this._writableState.errorEmitted=!1)},errorOrDestroy:function(stream,err){var rState=stream._readableState,wState=stream._writableState;rState&&rState.autoDestroy||wState&&wState.autoDestroy?stream.destroy(err):stream.emit("error",err)}}}).call(this)}).call(this,require("_process"))},{_process:192}],222:[function(require,module){"use strict";function once(callback){var called=!1;return function(){if(!called){called=!0;for(var _len=arguments.length,args=Array(_len),_key=0;_key<_len;_key++)args[_key]=arguments[_key];callback.apply(this,args)}}}function noop(){}function isRequest(stream){return stream.setHeader&&"function"==typeof stream.abort}function eos(stream,opts,callback){if("function"==typeof opts)return eos(stream,null,opts);opts||(opts={}),callback=once(callback||noop);var readable=opts.readable||!1!==opts.readable&&stream.readable,writable=opts.writable||!1!==opts.writable&&stream.writable,onlegacyfinish=function(){stream.writable||onfinish()},writableEnded=stream._writableState&&stream._writableState.finished,onfinish=function(){writable=!1,writableEnded=!0,readable||callback.call(stream)},readableEnded=stream._readableState&&stream._readableState.endEmitted,onend=function(){readable=!1,readableEnded=!0,writable||callback.call(stream)},onerror=function(err){callback.call(stream,err)},onclose=function(){var err;return readable&&!readableEnded?(stream._readableState&&stream._readableState.ended||(err=new ERR_STREAM_PREMATURE_CLOSE),callback.call(stream,err)):writable&&!writableEnded?(stream._writableState&&stream._writableState.ended||(err=new ERR_STREAM_PREMATURE_CLOSE),callback.call(stream,err)):void 0},onrequest=function(){stream.req.on("finish",onfinish)};return isRequest(stream)?(stream.on("complete",onfinish),stream.on("abort",onclose),stream.req?onrequest():stream.on("request",onrequest)):writable&&!stream._writableState&&(stream.on("end",onlegacyfinish),stream.on("close",onlegacyfinish)),stream.on("end",onend),stream.on("finish",onfinish),!1!==opts.error&&stream.on("error",onerror),stream.on("close",onclose),function(){stream.removeListener("complete",onfinish),stream.removeListener("abort",onclose),stream.removeListener("request",onrequest),stream.req&&stream.req.removeListener("finish",onfinish),stream.removeListener("end",onlegacyfinish),stream.removeListener("close",onlegacyfinish),stream.removeListener("finish",onfinish),stream.removeListener("end",onend),stream.removeListener("error",onerror),stream.removeListener("close",onclose)}}var ERR_STREAM_PREMATURE_CLOSE=require("../../../errors").codes.ERR_STREAM_PREMATURE_CLOSE;module.exports=eos},{"../../../errors":213}],223:[function(require,module){module.exports=function(){throw new Error("Readable.from is not available in the browser")}},{}],224:[function(require,module){"use strict";function once(callback){var called=!1;return function(){called||(called=!0,callback.apply(void 0,arguments))}}function noop(err){if(err)throw err}function isRequest(stream){return stream.setHeader&&"function"==typeof stream.abort}function destroyer(stream,reading,writing,callback){callback=once(callback);var closed=!1;stream.on("close",function(){closed=!0}),eos===void 0&&(eos=require("./end-of-stream")),eos(stream,{readable:reading,writable:writing},function(err){return err?callback(err):void(closed=!0,callback())});var destroyed=!1;return function(err){if(!closed)return destroyed?void 0:(destroyed=!0,isRequest(stream)?stream.abort():"function"==typeof stream.destroy?stream.destroy():void callback(err||new ERR_STREAM_DESTROYED("pipe")))}}function call(fn){fn()}function pipe(from,to){return from.pipe(to)}function popCallback(streams){return streams.length?"function"==typeof streams[streams.length-1]?streams.pop():noop:noop}var _require$codes=require("../../../errors").codes,ERR_MISSING_ARGS=_require$codes.ERR_MISSING_ARGS,ERR_STREAM_DESTROYED=_require$codes.ERR_STREAM_DESTROYED,eos;module.exports=function(){for(var _len=arguments.length,streams=Array(_len),_key=0;_key<_len;_key++)streams[_key]=arguments[_key];var callback=popCallback(streams);if(Array.isArray(streams[0])&&(streams=streams[0]),2>streams.length)throw new ERR_MISSING_ARGS("streams");var destroys=streams.map(function(stream,i){var reading=i<streams.length-1;return destroyer(stream,reading,0<i,function(err){error||(error=err),err&&destroys.forEach(call),reading||(destroys.forEach(call),callback(error))})}),error;return streams.reduce(pipe)}},{"../../../errors":213,"./end-of-stream":222}],225:[function(require,module){"use strict";function highWaterMarkFrom(options,isDuplex,duplexKey){return null==options.highWaterMark?isDuplex?options[duplexKey]:null:options.highWaterMark}var ERR_INVALID_OPT_VALUE=require("../../../errors").codes.ERR_INVALID_OPT_VALUE;module.exports={getHighWaterMark:function(state,options,duplexKey,isDuplex){var hwm=highWaterMarkFrom(options,isDuplex,duplexKey);if(null!=hwm){if(!(isFinite(hwm)&&_Mathfloor(hwm)===hwm)||0>hwm){var name=isDuplex?duplexKey:"highWaterMark";throw new ERR_INVALID_OPT_VALUE(name,hwm)}return _Mathfloor(hwm)}return state.objectMode?16:16384}}},{"../../../errors":213}],226:[function(require,module){module.exports=require("events").EventEmitter},{events:122}],227:[function(require,module,exports){exports=module.exports=require("./lib/_stream_readable.js"),exports.Stream=exports,exports.Readable=exports,exports.Writable=require("./lib/_stream_writable.js"),exports.Duplex=require("./lib/_stream_duplex.js"),exports.Transform=require("./lib/_stream_transform.js"),exports.PassThrough=require("./lib/_stream_passthrough.js"),exports.finished=require("./lib/internal/streams/end-of-stream.js"),exports.pipeline=require("./lib/internal/streams/pipeline.js")},{"./lib/_stream_duplex.js":214,"./lib/_stream_passthrough.js":215,"./lib/_stream_readable.js":216,"./lib/_stream_transform.js":217,"./lib/_stream_writable.js":218,"./lib/internal/streams/end-of-stream.js":222,"./lib/internal/streams/pipeline.js":224}],228:[function(require,module,exports){function renderMedia(file,getElem,opts,cb){function checkBlobLength(){return!("number"==typeof file.length&&file.length>opts.maxBlobLength)||(debug("File length too large for Blob URL approach: %d (max: %d)",file.length,opts.maxBlobLength),fatalError(new Error(`File length too large for Blob URL approach: ${file.length} (max: ${opts.maxBlobLength})`)),!1)}function renderMediaElement(type){checkBlobLength()&&(elem=getElem(type),getBlobURL(file,(err,url)=>err?fatalError(err):void(elem.addEventListener("error",fatalError),elem.addEventListener("loadstart",onLoadStart),elem.addEventListener("loadedmetadata",onLoadedMetadata),elem.src=url)))}function onLoadStart(){if(elem.removeEventListener("loadstart",onLoadStart),opts.autoplay){const playPromise=elem.play();"undefined"!=typeof playPromise&&playPromise.catch(fatalError)}}function onLoadedMetadata(){elem.removeEventListener("loadedmetadata",onLoadedMetadata),cb(null,elem)}function renderIframe(){getBlobURL(file,(err,url)=>err?fatalError(err):void(".pdf"===extname?(elem=getElem("object"),elem.setAttribute("typemustmatch",!0),elem.setAttribute("type","application/pdf"),elem.setAttribute("data",url)):(elem=getElem("iframe"),elem.sandbox="allow-forms allow-scripts",elem.src=url),cb(null,elem)))}function fatalError(err){err.message=`Error rendering file "${file.name}": ${err.message}`,debug(err.message),cb(err)}const extname=path.extname(file.name).toLowerCase();let currentTime=0,elem;MEDIASOURCE_EXTS.includes(extname)?function(){function useVideostream(){debug(`Use \`videostream\` package for ${file.name}`),prepareElem(),elem.addEventListener("error",fallbackToMediaSource),elem.addEventListener("loadstart",onLoadStart),elem.addEventListener("loadedmetadata",onLoadedMetadata),new VideoStream(file,elem)}function useMediaSource(){debug(`Use MediaSource API for ${file.name}`),prepareElem(),elem.addEventListener("error",fallbackToBlobURL),elem.addEventListener("loadstart",onLoadStart),elem.addEventListener("loadedmetadata",onLoadedMetadata);const wrapper=new MediaElementWrapper(elem),writable=wrapper.createWriteStream(getCodec(file.name));file.createReadStream().pipe(writable),currentTime&&(elem.currentTime=currentTime)}function useBlobURL(){debug(`Use Blob URL for ${file.name}`),prepareElem(),elem.addEventListener("error",fatalError),elem.addEventListener("loadstart",onLoadStart),elem.addEventListener("loadedmetadata",onLoadedMetadata),getBlobURL(file,(err,url)=>err?fatalError(err):void(elem.src=url,currentTime&&(elem.currentTime=currentTime)))}function fallbackToMediaSource(err){debug("videostream error: fallback to MediaSource API: %o",err.message||err),elem.removeEventListener("error",fallbackToMediaSource),elem.removeEventListener("loadedmetadata",onLoadedMetadata),useMediaSource()}function fallbackToBlobURL(err){debug("MediaSource API error: fallback to Blob URL: %o",err.message||err);checkBlobLength()&&(elem.removeEventListener("error",fallbackToBlobURL),elem.removeEventListener("loadedmetadata",onLoadedMetadata),useBlobURL())}function prepareElem(){elem||(elem=getElem(tagName),elem.addEventListener("progress",()=>{currentTime=elem.currentTime}))}const tagName=MEDIASOURCE_VIDEO_EXTS.includes(extname)?"video":"audio";MediaSource?VIDEOSTREAM_EXTS.includes(extname)?useVideostream():useMediaSource():useBlobURL()}():VIDEO_EXTS.includes(extname)?renderMediaElement("video"):AUDIO_EXTS.includes(extname)?renderMediaElement("audio"):IMAGE_EXTS.includes(extname)?function(){elem=getElem("img"),getBlobURL(file,(err,url)=>err?fatalError(err):void(elem.src=url,elem.alt=file.name,cb(null,elem)))}():IFRAME_EXTS.includes(extname)?renderIframe():function(){function done(){isAscii(str)?(debug("File extension \"%s\" appears ascii, so will render.",extname),renderIframe()):(debug("File extension \"%s\" appears non-ascii, will not render.",extname),cb(new Error(`Unsupported file type "${extname}": Cannot append to DOM`)))}debug("Unknown file extension \"%s\" - will attempt to render into iframe",extname);let str="";file.createReadStream({start:0,end:1e3}).setEncoding("utf8").on("data",chunk=>{str+=chunk}).on("end",done).on("error",cb)}()}function getBlobURL(file,cb){const extname=path.extname(file.name).toLowerCase();streamToBlobURL(file.createReadStream(),exports.mime[extname]).then(blobUrl=>cb(null,blobUrl),err=>cb(err))}function validateFile(file){if(null==file)throw new Error("file cannot be null or undefined");if("string"!=typeof file.name)throw new Error("missing or invalid file.name property");if("function"!=typeof file.createReadStream)throw new Error("missing or invalid file.createReadStream property")}function getCodec(name){const extname=path.extname(name).toLowerCase();return{".m4a":"audio/mp4; codecs=\"mp4a.40.5\"",".m4b":"audio/mp4; codecs=\"mp4a.40.5\"",".m4p":"audio/mp4; codecs=\"mp4a.40.5\"",".m4v":"video/mp4; codecs=\"avc1.640029, mp4a.40.5\"",".mkv":"video/webm; codecs=\"avc1.640029, mp4a.40.5\"",".mp3":"audio/mpeg",".mp4":"video/mp4; codecs=\"avc1.640029, mp4a.40.5\"",".webm":"video/webm; codecs=\"vorbis, vp8\""}[extname]}function parseOpts(opts){null==opts.autoplay&&(opts.autoplay=!1),null==opts.muted&&(opts.muted=!1),null==opts.controls&&(opts.controls=!0),null==opts.maxBlobLength&&(opts.maxBlobLength=MAX_BLOB_LENGTH)}function setMediaOpts(elem,opts){elem.autoplay=!!opts.autoplay,elem.muted=!!opts.muted,elem.controls=!!opts.controls}exports.render=function(file,elem,opts,cb){"function"==typeof opts&&(cb=opts,opts={}),opts||(opts={}),cb||(cb=()=>{}),validateFile(file),parseOpts(opts),"string"==typeof elem&&(elem=document.querySelector(elem)),renderMedia(file,tagName=>{if(elem.nodeName!==tagName.toUpperCase()){const extname=path.extname(file.name).toLowerCase();throw new Error(`Cannot render "${extname}" inside a "${elem.nodeName.toLowerCase()}" element, expected "${tagName}"`)}return("video"===tagName||"audio"===tagName)&&setMediaOpts(elem,opts),elem},opts,cb)},exports.append=function(file,rootElem,opts,cb){function createMedia(tagName){const elem=createElem(tagName);return setMediaOpts(elem,opts),rootElem.appendChild(elem),elem}function createElem(tagName){const elem=document.createElement(tagName);return rootElem.appendChild(elem),elem}function done(err,elem){err&&elem&&elem.remove(),cb(err,elem)}if("function"==typeof opts&&(cb=opts,opts={}),opts||(opts={}),cb||(cb=()=>{}),validateFile(file),parseOpts(opts),"string"==typeof rootElem&&(rootElem=document.querySelector(rootElem)),rootElem&&("VIDEO"===rootElem.nodeName||"AUDIO"===rootElem.nodeName))throw new Error("Invalid video/audio node argument. Argument must be root element that video/audio tag will be appended to.");renderMedia(file,function(tagName){return"video"===tagName||"audio"===tagName?createMedia(tagName):createElem(tagName)},opts,done)},exports.mime=require("./lib/mime.json");const debug=require("debug")("render-media"),isAscii=require("is-ascii"),MediaElementWrapper=require("mediasource"),path=require("path"),streamToBlobURL=require("stream-to-blob-url"),VideoStream=require("videostream"),VIDEOSTREAM_EXTS=[".m4a",".m4b",".m4p",".m4v",".mp4"],MEDIASOURCE_VIDEO_EXTS=[".m4v",".mkv",".mp4",".webm"],MEDIASOURCE_EXTS=[].concat(MEDIASOURCE_VIDEO_EXTS,[".m4a",".m4b",".m4p",".mp3"]),VIDEO_EXTS=[".mov",".ogv"],AUDIO_EXTS=[".aac",".oga",".ogg",".wav",".flac"],IMAGE_EXTS=[".bmp",".gif",".jpeg",".jpg",".png",".svg"],IFRAME_EXTS=[".css",".html",".js",".md",".pdf",".srt",".txt"],MAX_BLOB_LENGTH=200000000,MediaSource="undefined"!=typeof window&&window.MediaSource},{"./lib/mime.json":229,debug:90,"is-ascii":146,mediasource:158,path:184,"stream-to-blob-url":260,videostream:278}],229:[function(require,module){module.exports={".3gp":"video/3gpp",".aac":"audio/aac",".aif":"audio/x-aiff",".aiff":"audio/x-aiff",".atom":"application/atom+xml",".avi":"video/x-msvideo",".bmp":"image/bmp",".bz2":"application/x-bzip2",".conf":"text/plain",".css":"text/css",".csv":"text/plain",".diff":"text/x-diff",".doc":"application/msword",".flv":"video/x-flv",".gif":"image/gif",".gz":"application/x-gzip",".htm":"text/html",".html":"text/html",".ico":"image/vnd.microsoft.icon",".ics":"text/calendar",".iso":"application/octet-stream",".jar":"application/java-archive",".jpeg":"image/jpeg",".jpg":"image/jpeg",".js":"application/javascript",".json":"application/json",".less":"text/css",".log":"text/plain",".m3u":"audio/x-mpegurl",".m4a":"audio/x-m4a",".m4b":"audio/mp4",".m4p":"audio/mp4",".m4v":"video/x-m4v",".manifest":"text/cache-manifest",".markdown":"text/x-markdown",".mathml":"application/mathml+xml",".md":"text/x-markdown",".mid":"audio/midi",".midi":"audio/midi",".mov":"video/quicktime",".mp3":"audio/mpeg",".mp4":"video/mp4",".mp4v":"video/mp4",".mpeg":"video/mpeg",".mpg":"video/mpeg",".odp":"application/vnd.oasis.opendocument.presentation",".ods":"application/vnd.oasis.opendocument.spreadsheet",".odt":"application/vnd.oasis.opendocument.text",".oga":"audio/ogg",".ogg":"application/ogg",".pdf":"application/pdf",".png":"image/png",".pps":"application/vnd.ms-powerpoint",".ppt":"application/vnd.ms-powerpoint",".ps":"application/postscript",".psd":"image/vnd.adobe.photoshop",".qt":"video/quicktime",".rar":"application/x-rar-compressed",".rdf":"application/rdf+xml",".rss":"application/rss+xml",".rtf":"application/rtf",".svg":"image/svg+xml",".svgz":"image/svg+xml",".swf":"application/x-shockwave-flash",".tar":"application/x-tar",".tbz":"application/x-bzip-compressed-tar",".text":"text/plain",".tif":"image/tiff",".tiff":"image/tiff",".torrent":"application/x-bittorrent",".ttf":"application/x-font-ttf",".txt":"text/plain",".wav":"audio/wav",".webm":"video/webm",".wma":"audio/x-ms-wma",".wmv":"video/x-ms-wmv",".xls":"application/vnd.ms-excel",".xml":"application/xml",".yaml":"text/yaml",".yml":"text/yaml",".zip":"application/zip"}},{}],230:[function(require,module){"use 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i$847=0,j$848=0,y0$849=0,z0$850=0,y1$851=0,z1$852=0,y2$853=0,z2$854=0,y3$855=0,z3$856=0,y4$857=0,z4$858=0,t0$859=0,t1$860=0;for(y0$849=0|H$843[x$846+320>>2],y1$851=0|H$843[x$846+324>>2],y2$853=0|H$843[x$846+328>>2],y3$855=0|H$843[x$846+332>>2],y4$857=0|H$843[x$846+336>>2],i$847=0;(0|i$847)<(0|k$845);i$847=0|i$847+64){for(z0$850=y0$849,z1$852=y1$851,z2$854=y2$853,z3$856=y3$855,z4$858=y4$857,j$848=0;64>(0|j$848);j$848=0|j$848+4)t1$860=0|H$843[i$847+j$848>>2],t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851&y2$853|~y1$851&y3$855))+(0|(0|t1$860+y4$857)+1518500249),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[k$845+j$848>>2]=t1$860;for(j$848=0|k$845+64;(0|j$848)<(0|k$845+80);j$848=0|j$848+4)t1$860=(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])<<1|(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])>>>31,t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851&y2$853|~y1$851&y3$855))+(0|(0|t1$860+y4$857)+1518500249),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[j$848>>2]=t1$860;for(j$848=0|k$845+80;(0|j$848)<(0|k$845+160);j$848=0|j$848+4)t1$860=(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])<<1|(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])>>>31,t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851^y2$853^y3$855))+(0|(0|t1$860+y4$857)+1859775393),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[j$848>>2]=t1$860;for(j$848=0|k$845+160;(0|j$848)<(0|k$845+240);j$848=0|j$848+4)t1$860=(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])<<1|(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])>>>31,t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851&y2$853|y1$851&y3$855|y2$853&y3$855))+(0|(0|t1$860+y4$857)-1894007588),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[j$848>>2]=t1$860;for(j$848=0|k$845+240;(0|j$848)<(0|k$845+320);j$848=0|j$848+4)t1$860=(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])<<1|(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])>>>31,t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851^y2$853^y3$855))+(0|(0|t1$860+y4$857)-899497514),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[j$848>>2]=t1$860;y0$849=0|y0$849+z0$850,y1$851=0|y1$851+z1$852,y2$853=0|y2$853+z2$854,y3$855=0|y3$855+z3$856,y4$857=0|y4$857+z4$858}H$843[x$846+320>>2]=y0$849,H$843[x$846+324>>2]=y1$851,H$843[x$846+328>>2]=y2$853,H$843[x$846+332>>2]=y3$855,H$843[x$846+336>>2]=y4$857}}}},function(module){var _this=this,reader=void 0;"undefined"!=typeof self&&"undefined"!=typeof self.FileReaderSync&&(reader=new self.FileReaderSync);var convStr=function(str,H8,H32,start,len,off){var om=off%4,lm=(len+om)%4,j=len-lm,i;switch(om){case 0:H8[off]=str.charCodeAt(start+3);case 1:H8[0|off+1-(om<<1)]=str.charCodeAt(start+2);case 2:H8[0|off+2-(om<<1)]=str.charCodeAt(start+1);case 3:H8[0|off+3-(om<<1)]=str.charCodeAt(start);}if(!(len<lm+(4-om))){for(i=4-om;i<j;i=0|i+4)H32[off+i>>2]=str.charCodeAt(start+i)<<24|str.charCodeAt(start+i+1)<<16|str.charCodeAt(start+i+2)<<8|str.charCodeAt(start+i+3);switch(lm){case 3:H8[0|off+j+1]=str.charCodeAt(start+j+2);case 2:H8[0|off+j+2]=str.charCodeAt(start+j+1);case 1:H8[0|off+j+3]=str.charCodeAt(start+j);}}},convBuf=function(buf,H8,H32,start,len,off){var om=off%4,lm=(len+om)%4,j=len-lm,i;switch(om){case 0:H8[off]=buf[start+3];case 1:H8[0|off+1-(om<<1)]=buf[start+2];case 2:H8[0|off+2-(om<<1)]=buf[start+1];case 3:H8[0|off+3-(om<<1)]=buf[start];}if(!(len<lm+(4-om))){for(i=4-om;i<j;i=0|i+4)H32[0|off+i>>2]=buf[start+i]<<24|buf[start+i+1]<<16|buf[start+i+2]<<8|buf[start+i+3];switch(lm){case 3:H8[0|off+j+1]=buf[start+j+2];case 2:H8[0|off+j+2]=buf[start+j+1];case 1:H8[0|off+j+3]=buf[start+j];}}},convBlob=function(blob,H8,H32,start,len,off){var i=void 0,om=off%4,lm=(len+om)%4,j=len-lm,buf=new Uint8Array(reader.readAsArrayBuffer(blob.slice(start,start+len)));switch(om){case 0:H8[off]=buf[3];case 1:H8[0|off+1-(om<<1)]=buf[2];case 2:H8[0|off+2-(om<<1)]=buf[1];case 3:H8[0|off+3-(om<<1)]=buf[0];}if(!(len<lm+(4-om))){for(i=4-om;i<j;i=0|i+4)H32[0|off+i>>2]=buf[i]<<24|buf[i+1]<<16|buf[i+2]<<8|buf[i+3];switch(lm){case 3:H8[0|off+j+1]=buf[j+2];case 2:H8[0|off+j+2]=buf[j+1];case 1:H8[0|off+j+3]=buf[j];}}};module.exports=function(data,H8,H32,start,len,off){if("string"==typeof data)return convStr(data,H8,H32,start,len,off);if(data instanceof Array)return convBuf(data,H8,H32,start,len,off);if(_this&&_this.Buffer&&_this.Buffer.isBuffer(data))return convBuf(data,H8,H32,start,len,off);if(data instanceof ArrayBuffer)return convBuf(new Uint8Array(data),H8,H32,start,len,off);if(data.buffer instanceof ArrayBuffer)return convBuf(new Uint8Array(data.buffer,data.byteOffset,data.byteLength),H8,H32,start,len,off);if(data instanceof Blob)return convBlob(data,H8,H32,start,len,off);throw new Error("Unsupported data type.")}},function(module,exports,__webpack_require__){function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}var _createClass=function(){function defineProperties(target,props){for(var i=0,descriptor;i<props.length;i++)descriptor=props[i],descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}return function(Constructor,protoProps,staticProps){return protoProps&&defineProperties(Constructor.prototype,protoProps),staticProps&&defineProperties(Constructor,staticProps),Constructor}}(),Rusha=__webpack_require__(0),_require=__webpack_require__(1),toHex=_require.toHex,Hash=function(){function Hash(){_classCallCheck(this,Hash),this._rusha=new Rusha,this._rusha.resetState()}return Hash.prototype.update=function(data){return this._rusha.append(data),this},Hash.prototype.digest=function digest(encoding){var digest=this._rusha.rawEnd().buffer;if(!encoding)return digest;if("hex"===encoding)return toHex(digest);throw new Error("unsupported digest encoding")},_createClass(Hash,[{key:"state",get:function(){return this._rusha.getState()},set:function(state){this._rusha.setState(state)}}]),Hash}();module.exports=function(){return new Hash}}])})},{}],234:[function(require,module,exports){function copyProps(src,dst){for(var key in src)dst[key]=src[key]}function SafeBuffer(arg,encodingOrOffset,length){return Buffer(arg,encodingOrOffset,length)}/*! safe-buffer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */var buffer=require("buffer"),Buffer=buffer.Buffer;Buffer.from&&Buffer.alloc&&Buffer.allocUnsafe&&Buffer.allocUnsafeSlow?module.exports=buffer:(copyProps(buffer,exports),exports.Buffer=SafeBuffer),SafeBuffer.prototype=Object.create(Buffer.prototype),copyProps(Buffer,SafeBuffer),SafeBuffer.from=function(arg,encodingOrOffset,length){if("number"==typeof arg)throw new TypeError("Argument must not be a number");return Buffer(arg,encodingOrOffset,length)},SafeBuffer.alloc=function(size,fill,encoding){if("number"!=typeof size)throw new TypeError("Argument must be a number");var buf=Buffer(size);return void 0===fill?buf.fill(0):"string"==typeof encoding?buf.fill(fill,encoding):buf.fill(fill),buf},SafeBuffer.allocUnsafe=function(size){if("number"!=typeof size)throw new TypeError("Argument must be a number");return Buffer(size)},SafeBuffer.allocUnsafeSlow=function(size){if("number"!=typeof size)throw new TypeError("Argument must be a number");return buffer.SlowBuffer(size)}},{buffer:75}],235:[function(require,module){(function(process){(function(){"use strict";var buffer=require("buffer"),Buffer=buffer.Buffer,safer={},key;for(key in buffer)buffer.hasOwnProperty(key)&&"SlowBuffer"!==key&&"Buffer"!==key&&(safer[key]=buffer[key]);var Safer=safer.Buffer={};for(key in Buffer)Buffer.hasOwnProperty(key)&&"allocUnsafe"!==key&&"allocUnsafeSlow"!==key&&(Safer[key]=Buffer[key]);if(safer.Buffer.prototype=Buffer.prototype,Safer.from&&Safer.from!==Uint8Array.from||(Safer.from=function(value,encodingOrOffset,length){if("number"==typeof value)throw new TypeError("The \"value\" argument must not be of type number. Received type "+typeof value);if(value&&"undefined"==typeof value.length)throw new TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type "+typeof value);return Buffer(value,encodingOrOffset,length)}),Safer.alloc||(Safer.alloc=function(size,fill,encoding){if("number"!=typeof size)throw new TypeError("The \"size\" argument must be of type number. Received type "+typeof size);if(0>size||2147483648<=size)throw new RangeError("The value \""+size+"\" is invalid for option \"size\"");var buf=Buffer(size);return fill&&0!==fill.length?"string"==typeof encoding?buf.fill(fill,encoding):buf.fill(fill):buf.fill(0),buf}),!safer.kStringMaxLength)try{safer.kStringMaxLength=process.binding("buffer").kStringMaxLength}catch(e){}safer.constants||(safer.constants={MAX_LENGTH:safer.kMaxLength},safer.kStringMaxLength&&(safer.constants.MAX_STRING_LENGTH=safer.kStringMaxLength)),module.exports=safer}).call(this)}).call(this,require("_process"))},{_process:192,buffer:75}],236:[function(require,module){function Hash(blockSize,finalSize){this._block=Buffer.alloc(blockSize),this._finalSize=finalSize,this._blockSize=blockSize,this._len=0}var Buffer=require("safe-buffer").Buffer;Hash.prototype.update=function(data,enc){"string"==typeof data&&(enc=enc||"utf8",data=Buffer.from(data,enc));for(var block=this._block,blockSize=this._blockSize,length=data.length,accum=this._len,offset=0;offset<length;){for(var assigned=accum%blockSize,remainder=_Mathmin(length-offset,blockSize-assigned),i=0;i<remainder;i++)block[assigned+i]=data[offset+i];accum+=remainder,offset+=remainder,0==accum%blockSize&&this._update(block)}return this._len+=length,this},Hash.prototype.digest=function(enc){var rem=this._len%this._blockSize;this._block[rem]=128,this._block.fill(0,rem+1),rem>=this._finalSize&&(this._update(this._block),this._block.fill(0));var bits=8*this._len;if(4294967295>=bits)this._block.writeUInt32BE(bits,this._blockSize-4);else{var lowBits=(4294967295&bits)>>>0;this._block.writeUInt32BE((bits-lowBits)/4294967296,this._blockSize-8),this._block.writeUInt32BE(lowBits,this._blockSize-4)}this._update(this._block);var hash=this._hash();return enc?hash.toString(enc):hash},Hash.prototype._update=function(){throw new Error("_update must be implemented by subclass")},module.exports=Hash},{"safe-buffer":234}],237:[function(require,module,exports){var exports=module.exports=function(algorithm){algorithm=algorithm.toLowerCase();var Algorithm=exports[algorithm];if(!Algorithm)throw new Error(algorithm+" is not supported (we accept pull requests)");return new Algorithm};exports.sha=require("./sha"),exports.sha1=require("./sha1"),exports.sha224=require("./sha224"),exports.sha256=require("./sha256"),exports.sha384=require("./sha384"),exports.sha512=require("./sha512")},{"./sha":238,"./sha1":239,"./sha224":240,"./sha256":241,"./sha384":242,"./sha512":243}],238:[function(require,module){function Sha(){this.init(),this._w=W,Hash.call(this,64,56)}function rotl5(num){return num<<5|num>>>27}function rotl30(num){return num<<30|num>>>2}function ft(s,b,c,d){return 0===s?b&c|~b&d:2===s?b&c|b&d|c&d:b^c^d}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1518500249,1859775393,-1894007588,-899497514],W=Array(80);inherits(Sha,Hash),Sha.prototype.init=function(){return this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878,this._e=3285377520,this},Sha.prototype._update=function(M){for(var W=this._w,a=0|this._a,b=0|this._b,c=0|this._c,d=0|this._d,e=0|this._e,i=0;16>i;++i)W[i]=M.readInt32BE(4*i);for(;80>i;++i)W[i]=W[i-3]^W[i-8]^W[i-14]^W[i-16];for(var j=0;80>j;++j){var s=~~(j/20),t=0|rotl5(a)+ft(s,b,c,d)+e+W[j]+K[s];e=d,d=c,c=rotl30(b),b=a,a=t}this._a=0|a+this._a,this._b=0|b+this._b,this._c=0|c+this._c,this._d=0|d+this._d,this._e=0|e+this._e},Sha.prototype._hash=function(){var H=Buffer.allocUnsafe(20);return H.writeInt32BE(0|this._a,0),H.writeInt32BE(0|this._b,4),H.writeInt32BE(0|this._c,8),H.writeInt32BE(0|this._d,12),H.writeInt32BE(0|this._e,16),H},module.exports=Sha},{"./hash":236,inherits:145,"safe-buffer":234}],239:[function(require,module){function Sha1(){this.init(),this._w=W,Hash.call(this,64,56)}function rotl1(num){return num<<1|num>>>31}function rotl5(num){return num<<5|num>>>27}function rotl30(num){return num<<30|num>>>2}function ft(s,b,c,d){return 0===s?b&c|~b&d:2===s?b&c|b&d|c&d:b^c^d}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1518500249,1859775393,-1894007588,-899497514],W=Array(80);inherits(Sha1,Hash),Sha1.prototype.init=function(){return this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878,this._e=3285377520,this},Sha1.prototype._update=function(M){for(var W=this._w,a=0|this._a,b=0|this._b,c=0|this._c,d=0|this._d,e=0|this._e,i=0;16>i;++i)W[i]=M.readInt32BE(4*i);for(;80>i;++i)W[i]=rotl1(W[i-3]^W[i-8]^W[i-14]^W[i-16]);for(var j=0;80>j;++j){var s=~~(j/20),t=0|rotl5(a)+ft(s,b,c,d)+e+W[j]+K[s];e=d,d=c,c=rotl30(b),b=a,a=t}this._a=0|a+this._a,this._b=0|b+this._b,this._c=0|c+this._c,this._d=0|d+this._d,this._e=0|e+this._e},Sha1.prototype._hash=function(){var H=Buffer.allocUnsafe(20);return H.writeInt32BE(0|this._a,0),H.writeInt32BE(0|this._b,4),H.writeInt32BE(0|this._c,8),H.writeInt32BE(0|this._d,12),H.writeInt32BE(0|this._e,16),H},module.exports=Sha1},{"./hash":236,inherits:145,"safe-buffer":234}],240:[function(require,module){function Sha224(){this.init(),this._w=W,Hash.call(this,64,56)}var inherits=require("inherits"),Sha256=require("./sha256"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,W=Array(64);inherits(Sha224,Sha256),Sha224.prototype.init=function(){return this._a=3238371032,this._b=914150663,this._c=812702999,this._d=4144912697,this._e=4290775857,this._f=1750603025,this._g=1694076839,this._h=3204075428,this},Sha224.prototype._hash=function(){var H=Buffer.allocUnsafe(28);return H.writeInt32BE(this._a,0),H.writeInt32BE(this._b,4),H.writeInt32BE(this._c,8),H.writeInt32BE(this._d,12),H.writeInt32BE(this._e,16),H.writeInt32BE(this._f,20),H.writeInt32BE(this._g,24),H},module.exports=Sha224},{"./hash":236,"./sha256":241,inherits:145,"safe-buffer":234}],241:[function(require,module){function Sha256(){this.init(),this._w=W,Hash.call(this,64,56)}function ch(x,y,z){return z^x&(y^z)}function maj(x,y,z){return x&y|z&(x|y)}function sigma0(x){return(x>>>2|x<<30)^(x>>>13|x<<19)^(x>>>22|x<<10)}function sigma1(x){return(x>>>6|x<<26)^(x>>>11|x<<21)^(x>>>25|x<<7)}function gamma0(x){return(x>>>7|x<<25)^(x>>>18|x<<14)^x>>>3}function gamma1(x){return(x>>>17|x<<15)^(x>>>19|x<<13)^x>>>10}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298],W=Array(64);inherits(Sha256,Hash),Sha256.prototype.init=function(){return this._a=1779033703,this._b=3144134277,this._c=1013904242,this._d=2773480762,this._e=1359893119,this._f=2600822924,this._g=528734635,this._h=1541459225,this},Sha256.prototype._update=function(M){for(var W=this._w,a=0|this._a,b=0|this._b,c=0|this._c,d=0|this._d,e=0|this._e,f=0|this._f,g=0|this._g,h=0|this._h,i=0;16>i;++i)W[i]=M.readInt32BE(4*i);for(;64>i;++i)W[i]=0|gamma1(W[i-2])+W[i-7]+gamma0(W[i-15])+W[i-16];for(var j=0;64>j;++j){var T1=0|h+sigma1(e)+ch(e,f,g)+K[j]+W[j],T2=0|sigma0(a)+maj(a,b,c);h=g,g=f,f=e,e=0|d+T1,d=c,c=b,b=a,a=0|T1+T2}this._a=0|a+this._a,this._b=0|b+this._b,this._c=0|c+this._c,this._d=0|d+this._d,this._e=0|e+this._e,this._f=0|f+this._f,this._g=0|g+this._g,this._h=0|h+this._h},Sha256.prototype._hash=function(){var H=Buffer.allocUnsafe(32);return H.writeInt32BE(this._a,0),H.writeInt32BE(this._b,4),H.writeInt32BE(this._c,8),H.writeInt32BE(this._d,12),H.writeInt32BE(this._e,16),H.writeInt32BE(this._f,20),H.writeInt32BE(this._g,24),H.writeInt32BE(this._h,28),H},module.exports=Sha256},{"./hash":236,inherits:145,"safe-buffer":234}],242:[function(require,module){function Sha384(){this.init(),this._w=W,Hash.call(this,128,112)}var inherits=require("inherits"),SHA512=require("./sha512"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,W=Array(160);inherits(Sha384,SHA512),Sha384.prototype.init=function(){return this._ah=3418070365,this._bh=1654270250,this._ch=2438529370,this._dh=355462360,this._eh=1731405415,this._fh=2394180231,this._gh=3675008525,this._hh=1203062813,this._al=3238371032,this._bl=914150663,this._cl=812702999,this._dl=4144912697,this._el=4290775857,this._fl=1750603025,this._gl=1694076839,this._hl=3204075428,this},Sha384.prototype._hash=function(){function writeInt64BE(h,l,offset){H.writeInt32BE(h,offset),H.writeInt32BE(l,offset+4)}var H=Buffer.allocUnsafe(48);return writeInt64BE(this._ah,this._al,0),writeInt64BE(this._bh,this._bl,8),writeInt64BE(this._ch,this._cl,16),writeInt64BE(this._dh,this._dl,24),writeInt64BE(this._eh,this._el,32),writeInt64BE(this._fh,this._fl,40),H},module.exports=Sha384},{"./hash":236,"./sha512":243,inherits:145,"safe-buffer":234}],243:[function(require,module){function Sha512(){this.init(),this._w=W,Hash.call(this,128,112)}function Ch(x,y,z){return z^x&(y^z)}function maj(x,y,z){return x&y|z&(x|y)}function sigma0(x,xl){return(x>>>28|xl<<4)^(xl>>>2|x<<30)^(xl>>>7|x<<25)}function sigma1(x,xl){return(x>>>14|xl<<18)^(x>>>18|xl<<14)^(xl>>>9|x<<23)}function Gamma0(x,xl){return(x>>>1|xl<<31)^(x>>>8|xl<<24)^x>>>7}function Gamma0l(x,xl){return(x>>>1|xl<<31)^(x>>>8|xl<<24)^(x>>>7|xl<<25)}function Gamma1(x,xl){return(x>>>19|xl<<13)^(xl>>>29|x<<3)^x>>>6}function Gamma1l(x,xl){return(x>>>19|xl<<13)^(xl>>>29|x<<3)^(x>>>6|xl<<26)}function getCarry(a,b){return a>>>0<b>>>0?1:0}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1116352408,3609767458,1899447441,602891725,3049323471,3964484399,3921009573,2173295548,961987163,4081628472,1508970993,3053834265,2453635748,2937671579,2870763221,3664609560,3624381080,2734883394,310598401,1164996542,607225278,1323610764,1426881987,3590304994,1925078388,4068182383,2162078206,991336113,2614888103,633803317,3248222580,3479774868,3835390401,2666613458,4022224774,944711139,264347078,2341262773,604807628,2007800933,770255983,1495990901,1249150122,1856431235,1555081692,3175218132,1996064986,2198950837,2554220882,3999719339,2821834349,766784016,2952996808,2566594879,3210313671,3203337956,3336571891,1034457026,3584528711,2466948901,113926993,3758326383,338241895,168717936,666307205,1188179964,773529912,1546045734,1294757372,1522805485,1396182291,2643833823,1695183700,2343527390,1986661051,1014477480,2177026350,1206759142,2456956037,344077627,2730485921,1290863460,2820302411,3158454273,3259730800,3505952657,3345764771,106217008,3516065817,3606008344,3600352804,1432725776,4094571909,1467031594,275423344,851169720,430227734,3100823752,506948616,1363258195,659060556,3750685593,883997877,3785050280,958139571,3318307427,1322822218,3812723403,1537002063,2003034995,1747873779,3602036899,1955562222,1575990012,2024104815,1125592928,2227730452,2716904306,2361852424,442776044,2428436474,593698344,2756734187,3733110249,3204031479,2999351573,3329325298,3815920427,3391569614,3928383900,3515267271,566280711,3940187606,3454069534,4118630271,4000239992,116418474,1914138554,174292421,2731055270,289380356,3203993006,460393269,320620315,685471733,587496836,852142971,1086792851,1017036298,365543100,1126000580,2618297676,1288033470,3409855158,1501505948,4234509866,1607167915,987167468,1816402316,1246189591],W=Array(160);inherits(Sha512,Hash),Sha512.prototype.init=function(){return this._ah=1779033703,this._bh=3144134277,this._ch=1013904242,this._dh=2773480762,this._eh=1359893119,this._fh=2600822924,this._gh=528734635,this._hh=1541459225,this._al=4089235720,this._bl=2227873595,this._cl=4271175723,this._dl=1595750129,this._el=2917565137,this._fl=725511199,this._gl=4215389547,this._hl=327033209,this},Sha512.prototype._update=function(M){for(var W=this._w,ah=0|this._ah,bh=0|this._bh,ch=0|this._ch,dh=0|this._dh,eh=0|this._eh,fh=0|this._fh,gh=0|this._gh,hh=0|this._hh,al=0|this._al,bl=0|this._bl,cl=0|this._cl,dl=0|this._dl,el=0|this._el,fl=0|this._fl,gl=0|this._gl,hl=0|this._hl,i=0;32>i;i+=2)W[i]=M.readInt32BE(4*i),W[i+1]=M.readInt32BE(4*i+4);for(;160>i;i+=2){var xh=W[i-30],xl=W[i-30+1],gamma0=Gamma0(xh,xl),gamma0l=Gamma0l(xl,xh);xh=W[i-4],xl=W[i-4+1];var gamma1=Gamma1(xh,xl),gamma1l=Gamma1l(xl,xh),Wi7h=W[i-14],Wi7l=W[i-14+1],Wi16h=W[i-32],Wi16l=W[i-32+1],Wil=0|gamma0l+Wi7l,Wih=0|gamma0+Wi7h+getCarry(Wil,gamma0l);Wil=0|Wil+gamma1l,Wih=0|Wih+gamma1+getCarry(Wil,gamma1l),Wil=0|Wil+Wi16l,Wih=0|Wih+Wi16h+getCarry(Wil,Wi16l),W[i]=Wih,W[i+1]=Wil}for(var j=0;160>j;j+=2){Wih=W[j],Wil=W[j+1];var majh=maj(ah,bh,ch),majl=maj(al,bl,cl),sigma0h=sigma0(ah,al),sigma0l=sigma0(al,ah),sigma1h=sigma1(eh,el),sigma1l=sigma1(el,eh),Kih=K[j],Kil=K[j+1],chh=Ch(eh,fh,gh),chl=Ch(el,fl,gl),t1l=0|hl+sigma1l,t1h=0|hh+sigma1h+getCarry(t1l,hl);t1l=0|t1l+chl,t1h=0|t1h+chh+getCarry(t1l,chl),t1l=0|t1l+Kil,t1h=0|t1h+Kih+getCarry(t1l,Kil),t1l=0|t1l+Wil,t1h=0|t1h+Wih+getCarry(t1l,Wil);var t2l=0|sigma0l+majl,t2h=0|sigma0h+majh+getCarry(t2l,sigma0l);hh=gh,hl=gl,gh=fh,gl=fl,fh=eh,fl=el,el=0|dl+t1l,eh=0|dh+t1h+getCarry(el,dl),dh=ch,dl=cl,ch=bh,cl=bl,bh=ah,bl=al,al=0|t1l+t2l,ah=0|t1h+t2h+getCarry(al,t1l)}this._al=0|this._al+al,this._bl=0|this._bl+bl,this._cl=0|this._cl+cl,this._dl=0|this._dl+dl,this._el=0|this._el+el,this._fl=0|this._fl+fl,this._gl=0|this._gl+gl,this._hl=0|this._hl+hl,this._ah=0|this._ah+ah+getCarry(this._al,al),this._bh=0|this._bh+bh+getCarry(this._bl,bl),this._ch=0|this._ch+ch+getCarry(this._cl,cl),this._dh=0|this._dh+dh+getCarry(this._dl,dl),this._eh=0|this._eh+eh+getCarry(this._el,el),this._fh=0|this._fh+fh+getCarry(this._fl,fl),this._gh=0|this._gh+gh+getCarry(this._gl,gl),this._hh=0|this._hh+hh+getCarry(this._hl,hl)},Sha512.prototype._hash=function(){function writeInt64BE(h,l,offset){H.writeInt32BE(h,offset),H.writeInt32BE(l,offset+4)}var H=Buffer.allocUnsafe(64);return writeInt64BE(this._ah,this._al,0),writeInt64BE(this._bh,this._bl,8),writeInt64BE(this._ch,this._cl,16),writeInt64BE(this._dh,this._dl,24),writeInt64BE(this._eh,this._el,32),writeInt64BE(this._fh,this._fl,40),writeInt64BE(this._gh,this._gl,48),writeInt64BE(this._hh,this._hl,56),H},module.exports=Sha512},{"./hash":236,inherits:145,"safe-buffer":234}],244:[function(require,module){(function(Buffer){(function(){/*! simple-concat. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */module.exports=function(stream,cb){var chunks=[];stream.on("data",function(chunk){chunks.push(chunk)}),stream.once("end",function(){cb&&cb(null,Buffer.concat(chunks)),cb=null}),stream.once("error",function(err){cb&&cb(err),cb=null})}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75}],245:[function(require,module){(function(Buffer){(function(){function simpleGet(opts,cb){if(opts=Object.assign({maxRedirects:10},"string"==typeof opts?{url:opts}:opts),cb=once(cb),opts.url){const{hostname,port,protocol,auth,path}=url.parse(opts.url);delete opts.url,hostname||port||protocol||auth?Object.assign(opts,{hostname,port,protocol,auth,path}):opts.path=path}const headers={"accept-encoding":"gzip, deflate"};opts.headers&&Object.keys(opts.headers).forEach(k=>headers[k.toLowerCase()]=opts.headers[k]),opts.headers=headers;let body;opts.body?body=opts.json&&!isStream(opts.body)?JSON.stringify(opts.body):opts.body:opts.form&&(body="string"==typeof opts.form?opts.form:querystring.stringify(opts.form),opts.headers["content-type"]="application/x-www-form-urlencoded"),body&&(!opts.method&&(opts.method="POST"),!isStream(body)&&(opts.headers["content-length"]=Buffer.byteLength(body)),opts.json&&!opts.form&&(opts.headers["content-type"]="application/json")),delete opts.body,delete opts.form,opts.json&&(opts.headers.accept="application/json"),opts.method&&(opts.method=opts.method.toUpperCase());const originalHost=opts.hostname,protocol="https:"===opts.protocol?https:http,req=protocol.request(opts,res=>{if(!1!==opts.followRedirects&&300<=res.statusCode&&400>res.statusCode&&res.headers.location){opts.url=res.headers.location,delete opts.headers.host,res.resume();const redirectHost=url.parse(opts.url).hostname;return null!==redirectHost&&redirectHost!==originalHost&&(delete opts.headers.cookie,delete opts.headers.authorization),"POST"===opts.method&&[301,302].includes(res.statusCode)&&(opts.method="GET",delete opts.headers["content-length"],delete opts.headers["content-type"]),0==opts.maxRedirects--?cb(new Error("too many redirects")):simpleGet(opts,cb)}const tryUnzip="function"==typeof decompressResponse&&"HEAD"!==opts.method;cb(null,tryUnzip?decompressResponse(res):res)});return req.on("timeout",()=>{req.abort(),cb(new Error("Request timed out"))}),req.on("error",cb),isStream(body)?body.on("error",cb).pipe(req):req.end(body),req}module.exports=simpleGet;const concat=require("simple-concat"),decompressResponse=require("decompress-response"),http=require("http"),https=require("https"),once=require("once"),querystring=require("querystring"),url=require("url"),isStream=o=>null!==o&&"object"==typeof o&&"function"==typeof o.pipe;simpleGet.concat=(opts,cb)=>simpleGet(opts,(err,res)=>err?cb(err):void concat(res,(err,data)=>{if(err)return cb(err);if(opts.json)try{data=JSON.parse(data.toString())}catch(err){return cb(err,res,data)}cb(null,res,data)})),["get","post","put","patch","head","delete"].forEach(method=>{simpleGet[method]=(opts,cb)=>("string"==typeof opts&&(opts={url:opts}),simpleGet(Object.assign({method:method.toUpperCase()},opts),cb))})}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75,"decompress-response":41,http:256,https:142,once:177,querystring:204,"simple-concat":244,url:273}],246:[function(require,module){function filterTrickle(sdp){return sdp.replace(/a=ice-options:trickle\s\n/g,"")}function warn(message){console.warn(message)}/*! simple-peer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */const debug=require("debug")("simple-peer"),getBrowserRTC=require("get-browser-rtc"),randombytes=require("randombytes"),stream=require("readable-stream"),queueMicrotask=require("queue-microtask"),errCode=require("err-code"),{Buffer}=require("buffer"),MAX_BUFFERED_AMOUNT=65536;class Peer extends stream.Duplex{constructor(opts){if(opts=Object.assign({allowHalfOpen:!1},opts),super(opts),this._id=randombytes(4).toString("hex").slice(0,7),this._debug("new peer %o",opts),this.channelName=opts.initiator?opts.channelName||randombytes(20).toString("hex"):null,this.initiator=opts.initiator||!1,this.channelConfig=opts.channelConfig||Peer.channelConfig,this.channelNegotiated=this.channelConfig.negotiated,this.config=Object.assign({},Peer.config,opts.config),this.offerOptions=opts.offerOptions||{},this.answerOptions=opts.answerOptions||{},this.sdpTransform=opts.sdpTransform||(sdp=>sdp),this.streams=opts.streams||(opts.stream?[opts.stream]:[]),this.trickle=void 0===opts.trickle||opts.trickle,this.allowHalfTrickle=void 0!==opts.allowHalfTrickle&&opts.allowHalfTrickle,this.iceCompleteTimeout=opts.iceCompleteTimeout||5000,this.destroyed=!1,this.destroying=!1,this._connected=!1,this.remoteAddress=void 0,this.remoteFamily=void 0,this.remotePort=void 0,this.localAddress=void 0,this.localFamily=void 0,this.localPort=void 0,this._wrtc=opts.wrtc&&"object"==typeof opts.wrtc?opts.wrtc:getBrowserRTC(),!this._wrtc)if("undefined"==typeof window)throw errCode(new Error("No WebRTC support: Specify `opts.wrtc` option in this environment"),"ERR_WEBRTC_SUPPORT");else throw errCode(new Error("No WebRTC support: Not a supported browser"),"ERR_WEBRTC_SUPPORT");this._pcReady=!1,this._channelReady=!1,this._iceComplete=!1,this._iceCompleteTimer=null,this._channel=null,this._pendingCandidates=[],this._isNegotiating=!1,this._firstNegotiation=!0,this._batchedNegotiation=!1,this._queuedNegotiation=!1,this._sendersAwaitingStable=[],this._senderMap=new Map,this._closingInterval=null,this._remoteTracks=[],this._remoteStreams=[],this._chunk=null,this._cb=null,this._interval=null;try{this._pc=new this._wrtc.RTCPeerConnection(this.config)}catch(err){return void this.destroy(errCode(err,"ERR_PC_CONSTRUCTOR"))}this._isReactNativeWebrtc="number"==typeof this._pc._peerConnectionId,this._pc.oniceconnectionstatechange=()=>{this._onIceStateChange()},this._pc.onicegatheringstatechange=()=>{this._onIceStateChange()},this._pc.onconnectionstatechange=()=>{this._onConnectionStateChange()},this._pc.onsignalingstatechange=()=>{this._onSignalingStateChange()},this._pc.onicecandidate=event=>{this._onIceCandidate(event)},"object"==typeof this._pc.peerIdentity&&this._pc.peerIdentity.catch(err=>{this.destroy(errCode(err,"ERR_PC_PEER_IDENTITY"))}),this.initiator||this.channelNegotiated?this._setupData({channel:this._pc.createDataChannel(this.channelName,this.channelConfig)}):this._pc.ondatachannel=event=>{this._setupData(event)},this.streams&&this.streams.forEach(stream=>{this.addStream(stream)}),this._pc.ontrack=event=>{this._onTrack(event)},this._debug("initial negotiation"),this._needsNegotiation(),this._onFinishBound=()=>{this._onFinish()},this.once("finish",this._onFinishBound)}get bufferSize(){return this._channel&&this._channel.bufferedAmount||0}get connected(){return this._connected&&"open"===this._channel.readyState}address(){return{port:this.localPort,family:this.localFamily,address:this.localAddress}}signal(data){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot signal after peer is destroyed"),"ERR_DESTROYED");if("string"==typeof data)try{data=JSON.parse(data)}catch(err){data={}}this._debug("signal()"),data.renegotiate&&this.initiator&&(this._debug("got request to renegotiate"),this._needsNegotiation()),data.transceiverRequest&&this.initiator&&(this._debug("got request for transceiver"),this.addTransceiver(data.transceiverRequest.kind,data.transceiverRequest.init)),data.candidate&&(this._pc.remoteDescription&&this._pc.remoteDescription.type?this._addIceCandidate(data.candidate):this._pendingCandidates.push(data.candidate)),data.sdp&&this._pc.setRemoteDescription(new this._wrtc.RTCSessionDescription(data)).then(()=>{this.destroyed||(this._pendingCandidates.forEach(candidate=>{this._addIceCandidate(candidate)}),this._pendingCandidates=[],"offer"===this._pc.remoteDescription.type&&this._createAnswer())}).catch(err=>{this.destroy(errCode(err,"ERR_SET_REMOTE_DESCRIPTION"))}),data.sdp||data.candidate||data.renegotiate||data.transceiverRequest||this.destroy(errCode(new Error("signal() called with invalid signal data"),"ERR_SIGNALING"))}}_addIceCandidate(candidate){const iceCandidateObj=new this._wrtc.RTCIceCandidate(candidate);this._pc.addIceCandidate(iceCandidateObj).catch(err=>{!iceCandidateObj.address||iceCandidateObj.address.endsWith(".local")?warn("Ignoring unsupported ICE candidate."):this.destroy(errCode(err,"ERR_ADD_ICE_CANDIDATE"))})}send(chunk){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot send after peer is destroyed"),"ERR_DESTROYED");this._channel.send(chunk)}}addTransceiver(kind,init){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot addTransceiver after peer is destroyed"),"ERR_DESTROYED");if(this._debug("addTransceiver()"),this.initiator)try{this._pc.addTransceiver(kind,init),this._needsNegotiation()}catch(err){this.destroy(errCode(err,"ERR_ADD_TRANSCEIVER"))}else this.emit("signal",{type:"transceiverRequest",transceiverRequest:{kind,init}})}}addStream(stream){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot addStream after peer is destroyed"),"ERR_DESTROYED");this._debug("addStream()"),stream.getTracks().forEach(track=>{this.addTrack(track,stream)})}}addTrack(track,stream){if(this.destroying)return;if(this.destroyed)throw errCode(new Error("cannot addTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("addTrack()");const submap=this._senderMap.get(track)||new Map;let sender=submap.get(stream);if(!sender)sender=this._pc.addTrack(track,stream),submap.set(stream,sender),this._senderMap.set(track,submap),this._needsNegotiation();else if(sender.removed)throw errCode(new Error("Track has been removed. You should enable/disable tracks that you want to re-add."),"ERR_SENDER_REMOVED");else throw errCode(new Error("Track has already been added to that stream."),"ERR_SENDER_ALREADY_ADDED")}replaceTrack(oldTrack,newTrack,stream){if(this.destroying)return;if(this.destroyed)throw errCode(new Error("cannot replaceTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("replaceTrack()");const submap=this._senderMap.get(oldTrack),sender=submap?submap.get(stream):null;if(!sender)throw errCode(new Error("Cannot replace track that was never added."),"ERR_TRACK_NOT_ADDED");newTrack&&this._senderMap.set(newTrack,submap),null==sender.replaceTrack?this.destroy(errCode(new Error("replaceTrack is not supported in this browser"),"ERR_UNSUPPORTED_REPLACETRACK")):sender.replaceTrack(newTrack)}removeTrack(track,stream){if(this.destroying)return;if(this.destroyed)throw errCode(new Error("cannot removeTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("removeSender()");const submap=this._senderMap.get(track),sender=submap?submap.get(stream):null;if(!sender)throw errCode(new Error("Cannot remove track that was never added."),"ERR_TRACK_NOT_ADDED");try{sender.removed=!0,this._pc.removeTrack(sender)}catch(err){"NS_ERROR_UNEXPECTED"===err.name?this._sendersAwaitingStable.push(sender):this.destroy(errCode(err,"ERR_REMOVE_TRACK"))}this._needsNegotiation()}removeStream(stream){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot removeStream after peer is destroyed"),"ERR_DESTROYED");this._debug("removeSenders()"),stream.getTracks().forEach(track=>{this.removeTrack(track,stream)})}}_needsNegotiation(){this._debug("_needsNegotiation");this._batchedNegotiation||(this._batchedNegotiation=!0,queueMicrotask(()=>{this._batchedNegotiation=!1,this.initiator||!this._firstNegotiation?(this._debug("starting batched negotiation"),this.negotiate()):this._debug("non-initiator initial negotiation request discarded"),this._firstNegotiation=!1}))}negotiate(){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot negotiate after peer is destroyed"),"ERR_DESTROYED");this.initiator?this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("start negotiation"),setTimeout(()=>{this._createOffer()},0)):this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("requesting negotiation from initiator"),this.emit("signal",{type:"renegotiate",renegotiate:!0})),this._isNegotiating=!0}}destroy(err){this._destroy(err,()=>{})}_destroy(err,cb){this.destroyed||this.destroying||(this.destroying=!0,this._debug("destroying (error: %s)",err&&(err.message||err)),queueMicrotask(()=>{if(this.destroyed=!0,this.destroying=!1,this._debug("destroy (error: %s)",err&&(err.message||err)),this.readable=this.writable=!1,this._readableState.ended||this.push(null),this._writableState.finished||this.end(),this._connected=!1,this._pcReady=!1,this._channelReady=!1,this._remoteTracks=null,this._remoteStreams=null,this._senderMap=null,clearInterval(this._closingInterval),this._closingInterval=null,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._onFinishBound&&this.removeListener("finish",this._onFinishBound),this._onFinishBound=null,this._channel){try{this._channel.close()}catch(err){}this._channel.onmessage=null,this._channel.onopen=null,this._channel.onclose=null,this._channel.onerror=null}if(this._pc){try{this._pc.close()}catch(err){}this._pc.oniceconnectionstatechange=null,this._pc.onicegatheringstatechange=null,this._pc.onsignalingstatechange=null,this._pc.onicecandidate=null,this._pc.ontrack=null,this._pc.ondatachannel=null}this._pc=null,this._channel=null,err&&this.emit("error",err),this.emit("close"),cb()}))}_setupData(event){if(!event.channel)return this.destroy(errCode(new Error("Data channel event is missing `channel` property"),"ERR_DATA_CHANNEL"));this._channel=event.channel,this._channel.binaryType="arraybuffer","number"==typeof this._channel.bufferedAmountLowThreshold&&(this._channel.bufferedAmountLowThreshold=MAX_BUFFERED_AMOUNT),this.channelName=this._channel.label,this._channel.onmessage=event=>{this._onChannelMessage(event)},this._channel.onbufferedamountlow=()=>{this._onChannelBufferedAmountLow()},this._channel.onopen=()=>{this._onChannelOpen()},this._channel.onclose=()=>{this._onChannelClose()},this._channel.onerror=event=>{const err=event.error instanceof Error?event.error:new Error(`Datachannel error: ${event.message} ${event.filename}:${event.lineno}:${event.colno}`);this.destroy(errCode(err,"ERR_DATA_CHANNEL"))};let isClosing=!1;this._closingInterval=setInterval(()=>{this._channel&&"closing"===this._channel.readyState?(isClosing&&this._onChannelClose(),isClosing=!0):isClosing=!1},5000)}_read(){}_write(chunk,encoding,cb){if(this.destroyed)return cb(errCode(new Error("cannot write after peer is destroyed"),"ERR_DATA_CHANNEL"));if(this._connected){try{this.send(chunk)}catch(err){return this.destroy(errCode(err,"ERR_DATA_CHANNEL"))}this._channel.bufferedAmount>MAX_BUFFERED_AMOUNT?(this._debug("start backpressure: bufferedAmount %d",this._channel.bufferedAmount),this._cb=cb):cb(null)}else this._debug("write before connect"),this._chunk=chunk,this._cb=cb}_onFinish(){if(!this.destroyed){const destroySoon=()=>{setTimeout(()=>this.destroy(),1e3)};this._connected?destroySoon():this.once("connect",destroySoon)}}_startIceCompleteTimeout(){this.destroyed||this._iceCompleteTimer||(this._debug("started iceComplete timeout"),this._iceCompleteTimer=setTimeout(()=>{this._iceComplete||(this._iceComplete=!0,this._debug("iceComplete timeout completed"),this.emit("iceTimeout"),this.emit("_iceComplete"))},this.iceCompleteTimeout))}_createOffer(){this.destroyed||this._pc.createOffer(this.offerOptions).then(offer=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(offer.sdp=filterTrickle(offer.sdp)),offer.sdp=this.sdpTransform(offer.sdp);const sendOffer=()=>{if(!this.destroyed){const signal=this._pc.localDescription||offer;this._debug("signal"),this.emit("signal",{type:signal.type,sdp:signal.sdp})}};this._pc.setLocalDescription(offer).then(()=>{this._debug("createOffer success");this.destroyed||(this.trickle||this._iceComplete?sendOffer():this.once("_iceComplete",sendOffer))}).catch(err=>{this.destroy(errCode(err,"ERR_SET_LOCAL_DESCRIPTION"))})}).catch(err=>{this.destroy(errCode(err,"ERR_CREATE_OFFER"))})}_requestMissingTransceivers(){this._pc.getTransceivers&&this._pc.getTransceivers().forEach(transceiver=>{transceiver.mid||!transceiver.sender.track||transceiver.requested||(transceiver.requested=!0,this.addTransceiver(transceiver.sender.track.kind))})}_createAnswer(){this.destroyed||this._pc.createAnswer(this.answerOptions).then(answer=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(answer.sdp=filterTrickle(answer.sdp)),answer.sdp=this.sdpTransform(answer.sdp);const sendAnswer=()=>{if(!this.destroyed){const signal=this._pc.localDescription||answer;this._debug("signal"),this.emit("signal",{type:signal.type,sdp:signal.sdp}),this.initiator||this._requestMissingTransceivers()}};this._pc.setLocalDescription(answer).then(()=>{this.destroyed||(this.trickle||this._iceComplete?sendAnswer():this.once("_iceComplete",sendAnswer))}).catch(err=>{this.destroy(errCode(err,"ERR_SET_LOCAL_DESCRIPTION"))})}).catch(err=>{this.destroy(errCode(err,"ERR_CREATE_ANSWER"))})}_onConnectionStateChange(){this.destroyed||"failed"===this._pc.connectionState&&this.destroy(errCode(new Error("Connection failed."),"ERR_CONNECTION_FAILURE"))}_onIceStateChange(){if(this.destroyed)return;const iceConnectionState=this._pc.iceConnectionState,iceGatheringState=this._pc.iceGatheringState;this._debug("iceStateChange (connection: %s) (gathering: %s)",iceConnectionState,iceGatheringState),this.emit("iceStateChange",iceConnectionState,iceGatheringState),("connected"===iceConnectionState||"completed"===iceConnectionState)&&(this._pcReady=!0,this._maybeReady()),"failed"===iceConnectionState&&this.destroy(errCode(new Error("Ice connection failed."),"ERR_ICE_CONNECTION_FAILURE")),"closed"===iceConnectionState&&this.destroy(errCode(new Error("Ice connection closed."),"ERR_ICE_CONNECTION_CLOSED"))}getStats(cb){const flattenValues=report=>("[object Array]"===Object.prototype.toString.call(report.values)&&report.values.forEach(value=>{Object.assign(report,value)}),report);0===this._pc.getStats.length||this._isReactNativeWebrtc?this._pc.getStats().then(res=>{const reports=[];res.forEach(report=>{reports.push(flattenValues(report))}),cb(null,reports)},err=>cb(err)):0<this._pc.getStats.length?this._pc.getStats(res=>{if(this.destroyed)return;const reports=[];res.result().forEach(result=>{const report={};result.names().forEach(name=>{report[name]=result.stat(name)}),report.id=result.id,report.type=result.type,report.timestamp=result.timestamp,reports.push(flattenValues(report))}),cb(null,reports)},err=>cb(err)):cb(null,[])}_maybeReady(){if(this._debug("maybeReady pc %s channel %s",this._pcReady,this._channelReady),this._connected||this._connecting||!this._pcReady||!this._channelReady)return;this._connecting=!0;const findCandidatePair=()=>{this.destroyed||this.getStats((err,items)=>{if(this.destroyed)return;err&&(items=[]);const remoteCandidates={},localCandidates={},candidatePairs={};let foundSelectedCandidatePair=!1;items.forEach(item=>{("remotecandidate"===item.type||"remote-candidate"===item.type)&&(remoteCandidates[item.id]=item),("localcandidate"===item.type||"local-candidate"===item.type)&&(localCandidates[item.id]=item),("candidatepair"===item.type||"candidate-pair"===item.type)&&(candidatePairs[item.id]=item)});const setSelectedCandidatePair=selectedCandidatePair=>{foundSelectedCandidatePair=!0;let local=localCandidates[selectedCandidatePair.localCandidateId];local&&(local.ip||local.address)?(this.localAddress=local.ip||local.address,this.localPort=+local.port):local&&local.ipAddress?(this.localAddress=local.ipAddress,this.localPort=+local.portNumber):"string"==typeof selectedCandidatePair.googLocalAddress&&(local=selectedCandidatePair.googLocalAddress.split(":"),this.localAddress=local[0],this.localPort=+local[1]),this.localAddress&&(this.localFamily=this.localAddress.includes(":")?"IPv6":"IPv4");let remote=remoteCandidates[selectedCandidatePair.remoteCandidateId];remote&&(remote.ip||remote.address)?(this.remoteAddress=remote.ip||remote.address,this.remotePort=+remote.port):remote&&remote.ipAddress?(this.remoteAddress=remote.ipAddress,this.remotePort=+remote.portNumber):"string"==typeof selectedCandidatePair.googRemoteAddress&&(remote=selectedCandidatePair.googRemoteAddress.split(":"),this.remoteAddress=remote[0],this.remotePort=+remote[1]),this.remoteAddress&&(this.remoteFamily=this.remoteAddress.includes(":")?"IPv6":"IPv4"),this._debug("connect local: %s:%s remote: %s:%s",this.localAddress,this.localPort,this.remoteAddress,this.remotePort)};if(items.forEach(item=>{"transport"===item.type&&item.selectedCandidatePairId&&setSelectedCandidatePair(candidatePairs[item.selectedCandidatePairId]),("googCandidatePair"===item.type&&"true"===item.googActiveConnection||("candidatepair"===item.type||"candidate-pair"===item.type)&&item.selected)&&setSelectedCandidatePair(item)}),!foundSelectedCandidatePair&&(!Object.keys(candidatePairs).length||Object.keys(localCandidates).length))return void setTimeout(findCandidatePair,100);if(this._connecting=!1,this._connected=!0,this._chunk){try{this.send(this._chunk)}catch(err){return this.destroy(errCode(err,"ERR_DATA_CHANNEL"))}this._chunk=null,this._debug("sent chunk from \"write before connect\"");const cb=this._cb;this._cb=null,cb(null)}"number"!=typeof this._channel.bufferedAmountLowThreshold&&(this._interval=setInterval(()=>this._onInterval(),150),this._interval.unref&&this._interval.unref()),this._debug("connect"),this.emit("connect")})};findCandidatePair()}_onInterval(){this._cb&&this._channel&&!(this._channel.bufferedAmount>MAX_BUFFERED_AMOUNT)&&this._onChannelBufferedAmountLow()}_onSignalingStateChange(){this.destroyed||("stable"===this._pc.signalingState&&(this._isNegotiating=!1,this._debug("flushing sender queue",this._sendersAwaitingStable),this._sendersAwaitingStable.forEach(sender=>{this._pc.removeTrack(sender),this._queuedNegotiation=!0}),this._sendersAwaitingStable=[],this._queuedNegotiation?(this._debug("flushing negotiation queue"),this._queuedNegotiation=!1,this._needsNegotiation()):(this._debug("negotiated"),this.emit("negotiated"))),this._debug("signalingStateChange %s",this._pc.signalingState),this.emit("signalingStateChange",this._pc.signalingState))}_onIceCandidate(event){this.destroyed||(event.candidate&&this.trickle?this.emit("signal",{type:"candidate",candidate:{candidate:event.candidate.candidate,sdpMLineIndex:event.candidate.sdpMLineIndex,sdpMid:event.candidate.sdpMid}}):!event.candidate&&!this._iceComplete&&(this._iceComplete=!0,this.emit("_iceComplete")),event.candidate&&this._startIceCompleteTimeout())}_onChannelMessage(event){if(this.destroyed)return;let data=event.data;data instanceof ArrayBuffer&&(data=Buffer.from(data)),this.push(data)}_onChannelBufferedAmountLow(){if(!this.destroyed&&this._cb){this._debug("ending backpressure: bufferedAmount %d",this._channel.bufferedAmount);const cb=this._cb;this._cb=null,cb(null)}}_onChannelOpen(){this._connected||this.destroyed||(this._debug("on channel open"),this._channelReady=!0,this._maybeReady())}_onChannelClose(){this.destroyed||(this._debug("on channel close"),this.destroy())}_onTrack(event){this.destroyed||event.streams.forEach(eventStream=>{this._debug("on track"),this.emit("track",event.track,eventStream),this._remoteTracks.push({track:event.track,stream:eventStream});this._remoteStreams.some(remoteStream=>remoteStream.id===eventStream.id)||(this._remoteStreams.push(eventStream),queueMicrotask(()=>{this._debug("on stream"),this.emit("stream",eventStream)}))})}_debug(){const args=[].slice.call(arguments);args[0]="["+this._id+"] "+args[0],debug.apply(null,args)}}Peer.WEBRTC_SUPPORT=!!getBrowserRTC(),Peer.config={iceServers:[{urls:["stun:stun.l.google.com:19302","stun:global.stun.twilio.com:3478"]}],sdpSemantics:"unified-plan"},Peer.channelConfig={},module.exports=Peer},{buffer:75,debug:90,"err-code":121,"get-browser-rtc":127,"queue-microtask":205,randombytes:208,"readable-stream":227}],247:[function(require,module){function sha1sync(buf){return rusha.digest(buf)}function sha1(buf,cb){return subtle?void("string"==typeof buf&&(buf=uint8array(buf)),subtle.digest({name:"sha-1"},buf).then(function(result){cb(hex(new Uint8Array(result)))},function(){cb(sha1sync(buf))})):void("undefined"==typeof window?queueMicrotask(()=>cb(sha1sync(buf))):rushaWorkerSha1(buf,function(err,hash){return err?void cb(sha1sync(buf)):void cb(hash)}))}function uint8array(s){const l=s.length,array=new Uint8Array(l);for(let i=0;i<l;i++)array[i]=s.charCodeAt(i);return array}function hex(buf){const l=buf.length,chars=[];for(let i=0;i<l;i++){const bite=buf[i];chars.push((bite>>>4).toString(16)),chars.push((15&bite).toString(16))}return chars.join("")}const Rusha=require("rusha"),rushaWorkerSha1=require("./rusha-worker-sha1"),rusha=new Rusha,scope="undefined"==typeof window?self:window,crypto=scope.crypto||scope.msCrypto||{};let subtle=crypto.subtle||crypto.webkitSubtle;try{subtle.digest({name:"sha-1"},new Uint8Array).catch(function(){subtle=!1})}catch(err){subtle=!1}module.exports=sha1,module.exports.sync=sha1sync},{"./rusha-worker-sha1":248,rusha:233}],248:[function(require,module){function init(){worker=Rusha.createWorker(),nextTaskId=1,cbs={},worker.onmessage=function(e){const taskId=e.data.id,cb=cbs[taskId];delete cbs[taskId],null==e.data.error?cb(null,e.data.hash):cb(new Error("Rusha worker error: "+e.data.error))}}function sha1(buf,cb){worker||init(),cbs[nextTaskId]=cb,worker.postMessage({id:nextTaskId,data:buf}),nextTaskId+=1}const Rusha=require("rusha");let worker,nextTaskId,cbs;module.exports=sha1},{rusha:233}],249:[function(require,module){(function(Buffer){(function(){/*! simple-websocket. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */const debug=require("debug")("simple-websocket"),randombytes=require("randombytes"),stream=require("readable-stream"),queueMicrotask=require("queue-microtask"),ws=require("ws"),_WebSocket="function"==typeof ws?ws:WebSocket,MAX_BUFFERED_AMOUNT=65536;class Socket extends stream.Duplex{constructor(opts={}){if("string"==typeof opts&&(opts={url:opts}),opts=Object.assign({allowHalfOpen:!1},opts),super(opts),null==opts.url&&null==opts.socket)throw new Error("Missing required `url` or `socket` option");if(null!=opts.url&&null!=opts.socket)throw new Error("Must specify either `url` or `socket` option, not both");if(this._id=randombytes(4).toString("hex").slice(0,7),this._debug("new websocket: %o",opts),this.connected=!1,this.destroyed=!1,this._chunk=null,this._cb=null,this._interval=null,opts.socket)this.url=opts.socket.url,this._ws=opts.socket,this.connected=opts.socket.readyState===_WebSocket.OPEN;else{this.url=opts.url;try{this._ws="function"==typeof ws?new _WebSocket(opts.url,null,{...opts,encoding:void 0}):new _WebSocket(opts.url)}catch(err){return void queueMicrotask(()=>this.destroy(err))}}this._ws.binaryType="arraybuffer",opts.socket&&this.connected?queueMicrotask(()=>this._handleOpen()):this._ws.onopen=()=>this._handleOpen(),this._ws.onmessage=event=>this._handleMessage(event),this._ws.onclose=()=>this._handleClose(),this._ws.onerror=err=>this._handleError(err),this._handleFinishBound=()=>this._handleFinish(),this.once("finish",this._handleFinishBound)}send(chunk){this._ws.send(chunk)}destroy(err){this._destroy(err,()=>{})}_destroy(err,cb){if(!this.destroyed){if(this._debug("destroy (error: %s)",err&&(err.message||err)),this.readable=this.writable=!1,this._readableState.ended||this.push(null),this._writableState.finished||this.end(),this.connected=!1,this.destroyed=!0,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._handleFinishBound&&this.removeListener("finish",this._handleFinishBound),this._handleFinishBound=null,this._ws){const ws=this._ws,onClose=()=>{ws.onclose=null};if(ws.readyState===_WebSocket.CLOSED)onClose();else try{ws.onclose=onClose,ws.close()}catch(err){onClose()}ws.onopen=null,ws.onmessage=null,ws.onerror=()=>{}}this._ws=null,err&&this.emit("error",err),this.emit("close"),cb()}}_read(){}_write(chunk,encoding,cb){if(this.destroyed)return cb(new Error("cannot write after socket is destroyed"));if(this.connected){try{this.send(chunk)}catch(err){return this.destroy(err)}"function"!=typeof ws&&this._ws.bufferedAmount>MAX_BUFFERED_AMOUNT?(this._debug("start backpressure: bufferedAmount %d",this._ws.bufferedAmount),this._cb=cb):cb(null)}else this._debug("write before connect"),this._chunk=chunk,this._cb=cb}_handleOpen(){if(!(this.connected||this.destroyed)){if(this.connected=!0,this._chunk){try{this.send(this._chunk)}catch(err){return this.destroy(err)}this._chunk=null,this._debug("sent chunk from \"write before connect\"");const cb=this._cb;this._cb=null,cb(null)}"function"!=typeof ws&&(this._interval=setInterval(()=>this._onInterval(),150),this._interval.unref&&this._interval.unref()),this._debug("connect"),this.emit("connect")}}_handleMessage(event){if(this.destroyed)return;let data=event.data;data instanceof ArrayBuffer&&(data=Buffer.from(data)),this.push(data)}_handleClose(){this.destroyed||(this._debug("on close"),this.destroy())}_handleError(){this.destroy(new Error(`Error connecting to ${this.url}`))}_handleFinish(){if(!this.destroyed){const destroySoon=()=>{setTimeout(()=>this.destroy(),1e3)};this.connected?destroySoon():this.once("connect",destroySoon)}}_onInterval(){if(this._cb&&this._ws&&!(this._ws.bufferedAmount>MAX_BUFFERED_AMOUNT)){this._debug("ending backpressure: bufferedAmount %d",this._ws.bufferedAmount);const cb=this._cb;this._cb=null,cb(null)}}_debug(){const args=[].slice.call(arguments);args[0]="["+this._id+"] "+args[0],debug.apply(null,args)}}Socket.WEBSOCKET_SUPPORT=!!_WebSocket,module.exports=Socket}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75,debug:90,"queue-microtask":205,randombytes:208,"readable-stream":227,ws:41}],250:[function(require,module){const Throttle=require("./lib/throttle"),ThrottleGroup=require("./lib/throttle-group");module.exports={Throttle,ThrottleGroup}},{"./lib/throttle":252,"./lib/throttle-group":251}],251:[function(require,module){var _NumberisInteger=Number.isInteger;const{TokenBucket}=require("limiter"),Throttle=require("./throttle");module.exports=class{constructor(opts={}){if("object"!=typeof opts)throw new Error("Options must be an object");this.throttles=[],this.setEnabled(opts.enabled),this.setRate(opts.rate,opts.chunksize)}getEnabled(){return this._enabled}getRate(){return this.bucket.tokensPerInterval}getChunksize(){return this.chunksize}setEnabled(val=!0){if("boolean"!=typeof val)throw new Error("Enabled must be a boolean");this._enabled=val;for(const throttle of this.throttles)throttle.setEnabled(val)}setRate(rate,chunksize=null){if(!_NumberisInteger(rate)||0>rate)throw new Error("Rate must be an integer bigger than zero");if(rate=parseInt(rate),chunksize&&("number"!=typeof chunksize||0>=chunksize))throw new Error("Chunksize must be bigger than zero");if(chunksize=chunksize||_Mathmax(parseInt(rate/10),1),chunksize=parseInt(chunksize),0<rate&&chunksize>rate)throw new Error("Chunk size must be smaller than rate");this.bucket||(this.bucket=new TokenBucket(rate,rate,"second",null)),this.bucket.bucketSize=rate,this.bucket.tokensPerInterval=rate,this.chunksize=chunksize}setChunksize(chunksize){if(!_NumberisInteger(chunksize)||0>=chunksize)throw new Error("Chunk size must be an integer bigger than zero");const rate=this.getRate();if(chunksize=parseInt(chunksize),0<rate&&chunksize>rate)throw new Error("Chunk size must be smaller than rate");this.chunksize=chunksize}throttle(opts={}){if("object"!=typeof opts)throw new Error("Options must be an object");const newThrottle=new Throttle({...opts,group:this});return newThrottle}destroy(){for(const throttle of this.throttles)throttle.destroy();this.throttles=[]}_addThrottle(throttle){if(!(throttle instanceof Throttle))throw new Error("Throttle must be an instance of Throttle");this.throttles.push(throttle)}_removeThrottle(throttle){const index=this.throttles.indexOf(throttle);-1<index&&this.throttles.splice(index,1)}}},{"./throttle":252,limiter:150}],252:[function(require,module){const{EventEmitter}=require("events"),{Transform}=require("streamx"),{wait}=require("./utils");module.exports=class extends Transform{constructor(opts={}){if(super(),"object"!=typeof opts)throw new Error("Options must be an object");const params=Object.assign({},opts);if(params.group&&!(params.group instanceof ThrottleGroup))throw new Error("Group must be an instanece of ThrottleGroup");else params.group||(params.group=new ThrottleGroup(params));this._setEnabled(params.enabled||params.group.enabled),this._group=params.group,this._emitter=new EventEmitter,this._destroyed=!1,this._group._addThrottle(this)}getEnabled(){return this._enabled}getGroup(){return this._group}_setEnabled(val=!0){if("boolean"!=typeof val)throw new Error("Enabled must be a boolean");this._enabled=val}setEnabled(val){this._setEnabled(val),this._enabled?this._emitter.emit("enabled"):this._emitter.emit("disabled")}_transform(chunk,done){this._processChunk(chunk,done)}async _waitForTokens(amount){return new Promise((resolve,reject)=>{function isDone(err){if(self._emitter.removeListener("disabled",isDone),self._emitter.removeListener("destroyed",isDone),!done)return done=!0,err?reject(err):void resolve()}let done=!1;const self=this;this._emitter.once("disabled",isDone),this._emitter.once("destroyed",isDone),this._group.bucket.removeTokens(amount,isDone)})}_areBothEnabled(){return this._enabled&&this._group.getEnabled()}async _processChunk(chunk,done){if(!this._areBothEnabled())return done(null,chunk);let pos=0,chunksize=this._group.getChunksize(),slice=chunk.slice(pos,pos+chunksize);for(;0<slice.length;){if(this._areBothEnabled())try{for(;0===this._group.getRate()&&!this._destroyed&&this._areBothEnabled();)if(await wait(1e3),this._destroyed)return;if(this._areBothEnabled()&&!this._group.bucket.tryRemoveTokens(slice.length)&&(await this._waitForTokens(slice.length),this._destroyed))return}catch(err){return done(err)}this.push(slice),pos+=chunksize,chunksize=this._areBothEnabled()?this._group.getChunksize():chunk.length-pos,slice=chunk.slice(pos,pos+chunksize)}return done()}destroy(...args){this._group._removeThrottle(this),this._destroyed=!0,this._emitter.emit("destroyed"),super.destroy(...args)}};const ThrottleGroup=require("./throttle-group")},{"./throttle-group":251,"./utils":253,events:122,streamx:263}],253:[function(require,module){module.exports={wait:function(time){return new Promise(resolve=>setTimeout(resolve,time))}}},{}],254:[function(require,module){var tick=1,maxTick=65535,resolution=4,inc=function(){tick=tick+1&maxTick},timer;module.exports=function(seconds){timer||(timer=setInterval(inc,0|1e3/resolution),timer.unref&&timer.unref());var size=resolution*(seconds||5),buffer=[0],pointer=1,last=tick-1&maxTick;return function(delta){var dist=tick-last&maxTick;for(dist>size&&(dist=size),last=tick;dist--;)pointer===size&&(pointer=0),buffer[pointer]=buffer[0===pointer?size-1:pointer-1],pointer++;delta&&(buffer[pointer-1]+=delta);var top=buffer[pointer-1],btm=buffer.length<size?0:buffer[pointer===size?0:pointer];return buffer.length<resolution?top:(top-btm)*resolution/buffer.length}}},{}],255:[function(require,module){function Stream(){EE.call(this)}module.exports=Stream;var EE=require("events").EventEmitter,inherits=require("inherits");inherits(Stream,EE),Stream.Readable=require("readable-stream/lib/_stream_readable.js"),Stream.Writable=require("readable-stream/lib/_stream_writable.js"),Stream.Duplex=require("readable-stream/lib/_stream_duplex.js"),Stream.Transform=require("readable-stream/lib/_stream_transform.js"),Stream.PassThrough=require("readable-stream/lib/_stream_passthrough.js"),Stream.finished=require("readable-stream/lib/internal/streams/end-of-stream.js"),Stream.pipeline=require("readable-stream/lib/internal/streams/pipeline.js"),Stream.Stream=Stream,Stream.prototype.pipe=function(dest,options){function ondata(chunk){dest.writable&&!1===dest.write(chunk)&&source.pause&&source.pause()}function ondrain(){source.readable&&source.resume&&source.resume()}function onend(){didOnEnd||(didOnEnd=!0,dest.end())}function onclose(){didOnEnd||(didOnEnd=!0,"function"==typeof dest.destroy&&dest.destroy())}function onerror(er){if(cleanup(),0===EE.listenerCount(this,"error"))throw er}function cleanup(){source.removeListener("data",ondata),dest.removeListener("drain",ondrain),source.removeListener("end",onend),source.removeListener("close",onclose),source.removeListener("error",onerror),dest.removeListener("error",onerror),source.removeListener("end",cleanup),source.removeListener("close",cleanup),dest.removeListener("close",cleanup)}var source=this;source.on("data",ondata),dest.on("drain",ondrain),dest._isStdio||options&&!1===options.end||(source.on("end",onend),source.on("close",onclose));var didOnEnd=!1;return source.on("error",onerror),dest.on("error",onerror),source.on("end",cleanup),source.on("close",cleanup),dest.on("close",cleanup),dest.emit("pipe",source),dest}},{events:122,inherits:145,"readable-stream/lib/_stream_duplex.js":214,"readable-stream/lib/_stream_passthrough.js":215,"readable-stream/lib/_stream_readable.js":216,"readable-stream/lib/_stream_transform.js":217,"readable-stream/lib/_stream_writable.js":218,"readable-stream/lib/internal/streams/end-of-stream.js":222,"readable-stream/lib/internal/streams/pipeline.js":224}],256:[function(require,module,exports){(function(global){(function(){var ClientRequest=require("./lib/request"),response=require("./lib/response"),extend=require("xtend"),statusCodes=require("builtin-status-codes"),url=require("url"),http=exports;http.request=function(opts,cb){opts="string"==typeof opts?url.parse(opts):extend(opts);var defaultProtocol=-1===global.location.protocol.search(/^https?:$/)?"http:":"",protocol=opts.protocol||defaultProtocol,host=opts.hostname||opts.host,port=opts.port,path=opts.path||"/";host&&-1!==host.indexOf(":")&&(host="["+host+"]"),opts.url=(host?protocol+"//"+host:"")+(port?":"+port:"")+path,opts.method=(opts.method||"GET").toUpperCase(),opts.headers=opts.headers||{};var req=new ClientRequest(opts);return cb&&req.on("response",cb),req},http.get=function(opts,cb){var req=http.request(opts,cb);return req.end(),req},http.ClientRequest=ClientRequest,http.IncomingMessage=response.IncomingMessage,http.Agent=function(){},http.Agent.defaultMaxSockets=4,http.globalAgent=new http.Agent,http.STATUS_CODES=statusCodes,http.METHODS=["CHECKOUT","CONNECT","COPY","DELETE","GET","HEAD","LOCK","M-SEARCH","MERGE","MKACTIVITY","MKCOL","MOVE","NOTIFY","OPTIONS","PATCH","POST","PROPFIND","PROPPATCH","PURGE","PUT","REPORT","SEARCH","SUBSCRIBE","TRACE","UNLOCK","UNSUBSCRIBE"]}).call(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"./lib/request":258,"./lib/response":259,"builtin-status-codes":76,url:273,xtend:280}],257:[function(require,module,exports){(function(global){(function(){function getXHR(){if(xhr!==void 0)return xhr;if(global.XMLHttpRequest){xhr=new global.XMLHttpRequest;try{xhr.open("GET",global.XDomainRequest?"/":"https://example.com")}catch(e){xhr=null}}else xhr=null;return xhr}function checkTypeSupport(type){var xhr=getXHR();if(!xhr)return!1;try{return xhr.responseType=type,xhr.responseType===type}catch(e){}return!1}function isFunction(value){return"function"==typeof value}exports.fetch=isFunction(global.fetch)&&isFunction(global.ReadableStream),exports.writableStream=isFunction(global.WritableStream),exports.abortController=isFunction(global.AbortController);var xhr;exports.arraybuffer=exports.fetch||checkTypeSupport("arraybuffer"),exports.msstream=!exports.fetch&&checkTypeSupport("ms-stream"),exports.mozchunkedarraybuffer=!exports.fetch&&checkTypeSupport("moz-chunked-arraybuffer"),exports.overrideMimeType=exports.fetch||!!getXHR()&&isFunction(getXHR().overrideMimeType),xhr=null}).call(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}],258:[function(require,module){(function(process,global,Buffer){(function(){function decideMode(preferBinary,useFetch){return capability.fetch&&useFetch?"fetch":capability.mozchunkedarraybuffer?"moz-chunked-arraybuffer":capability.msstream?"ms-stream":capability.arraybuffer&&preferBinary?"arraybuffer":"text"}function statusValid(xhr){try{var status=xhr.status;return null!==status&&0!==status}catch(e){return!1}}var capability=require("./capability"),inherits=require("inherits"),response=require("./response"),stream=require("readable-stream"),IncomingMessage=response.IncomingMessage,rStates=response.readyStates,ClientRequest=module.exports=function(opts){var self=this;stream.Writable.call(self),self._opts=opts,self._body=[],self._headers={},opts.auth&&self.setHeader("Authorization","Basic "+Buffer.from(opts.auth).toString("base64")),Object.keys(opts.headers).forEach(function(name){self.setHeader(name,opts.headers[name])});var useFetch=!0,preferBinary;if("disable-fetch"===opts.mode||"requestTimeout"in opts&&!capability.abortController)useFetch=!1,preferBinary=!0;else if("prefer-streaming"===opts.mode)preferBinary=!1;else if("allow-wrong-content-type"===opts.mode)preferBinary=!capability.overrideMimeType;else if(!opts.mode||"default"===opts.mode||"prefer-fast"===opts.mode)preferBinary=!0;else throw new Error("Invalid value for opts.mode");self._mode=decideMode(preferBinary,useFetch),self._fetchTimer=null,self._socketTimeout=null,self._socketTimer=null,self.on("finish",function(){self._onFinish()})};inherits(ClientRequest,stream.Writable),ClientRequest.prototype.setHeader=function(name,value){var self=this,lowerName=name.toLowerCase();-1!==unsafeHeaders.indexOf(lowerName)||(self._headers[lowerName]={name:name,value:value})},ClientRequest.prototype.getHeader=function(name){var header=this._headers[name.toLowerCase()];return header?header.value:null},ClientRequest.prototype.removeHeader=function(name){var self=this;delete self._headers[name.toLowerCase()]},ClientRequest.prototype._onFinish=function(){var self=this;if(!self._destroyed){var opts=self._opts;"timeout"in opts&&0!==opts.timeout&&self.setTimeout(opts.timeout);var headersObj=self._headers,body=null;"GET"!==opts.method&&"HEAD"!==opts.method&&(body=new Blob(self._body,{type:(headersObj["content-type"]||{}).value||""}));var headersList=[];if(Object.keys(headersObj).forEach(function(keyName){var name=headersObj[keyName].name,value=headersObj[keyName].value;Array.isArray(value)?value.forEach(function(v){headersList.push([name,v])}):headersList.push([name,value])}),"fetch"===self._mode){var signal=null;if(capability.abortController){var controller=new AbortController;signal=controller.signal,self._fetchAbortController=controller,"requestTimeout"in opts&&0!==opts.requestTimeout&&(self._fetchTimer=global.setTimeout(function(){self.emit("requestTimeout"),self._fetchAbortController&&self._fetchAbortController.abort()},opts.requestTimeout))}global.fetch(self._opts.url,{method:self._opts.method,headers:headersList,body:body||void 0,mode:"cors",credentials:opts.withCredentials?"include":"same-origin",signal:signal}).then(function(response){self._fetchResponse=response,self._resetTimers(!1),self._connect()},function(reason){self._resetTimers(!0),self._destroyed||self.emit("error",reason)})}else{var xhr=self._xhr=new global.XMLHttpRequest;try{xhr.open(self._opts.method,self._opts.url,!0)}catch(err){return void process.nextTick(function(){self.emit("error",err)})}"responseType"in xhr&&(xhr.responseType=self._mode),"withCredentials"in xhr&&(xhr.withCredentials=!!opts.withCredentials),"text"===self._mode&&"overrideMimeType"in xhr&&xhr.overrideMimeType("text/plain; charset=x-user-defined"),"requestTimeout"in opts&&(xhr.timeout=opts.requestTimeout,xhr.ontimeout=function(){self.emit("requestTimeout")}),headersList.forEach(function(header){xhr.setRequestHeader(header[0],header[1])}),self._response=null,xhr.onreadystatechange=function(){switch(xhr.readyState){case rStates.LOADING:case rStates.DONE:self._onXHRProgress();}},"moz-chunked-arraybuffer"===self._mode&&(xhr.onprogress=function(){self._onXHRProgress()}),xhr.onerror=function(){self._destroyed||(self._resetTimers(!0),self.emit("error",new Error("XHR error")))};try{xhr.send(body)}catch(err){return void process.nextTick(function(){self.emit("error",err)})}}}},ClientRequest.prototype._onXHRProgress=function(){var self=this;self._resetTimers(!1);!statusValid(self._xhr)||self._destroyed||(!self._response&&self._connect(),self._response._onXHRProgress(self._resetTimers.bind(self)))},ClientRequest.prototype._connect=function(){var self=this;self._destroyed||(self._response=new IncomingMessage(self._xhr,self._fetchResponse,self._mode,self._resetTimers.bind(self)),self._response.on("error",function(err){self.emit("error",err)}),self.emit("response",self._response))},ClientRequest.prototype._write=function(chunk,encoding,cb){var self=this;self._body.push(chunk),cb()},ClientRequest.prototype._resetTimers=function(done){var self=this;global.clearTimeout(self._socketTimer),self._socketTimer=null,done?(global.clearTimeout(self._fetchTimer),self._fetchTimer=null):self._socketTimeout&&(self._socketTimer=global.setTimeout(function(){self.emit("timeout")},self._socketTimeout))},ClientRequest.prototype.abort=ClientRequest.prototype.destroy=function(err){var self=this;self._destroyed=!0,self._resetTimers(!0),self._response&&(self._response._destroyed=!0),self._xhr?self._xhr.abort():self._fetchAbortController&&self._fetchAbortController.abort(),err&&self.emit("error",err)},ClientRequest.prototype.end=function(data,encoding,cb){var self=this;"function"==typeof data&&(cb=data,data=void 0),stream.Writable.prototype.end.call(self,data,encoding,cb)},ClientRequest.prototype.setTimeout=function(timeout,cb){var self=this;cb&&self.once("timeout",cb),self._socketTimeout=timeout,self._resetTimers(!1)},ClientRequest.prototype.flushHeaders=function(){},ClientRequest.prototype.setNoDelay=function(){},ClientRequest.prototype.setSocketKeepAlive=function(){};var unsafeHeaders=["accept-charset","accept-encoding","access-control-request-headers","access-control-request-method","connection","content-length","cookie","cookie2","date","dnt","expect","host","keep-alive","origin","referer","te","trailer","transfer-encoding","upgrade","via"]}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global,require("buffer").Buffer)},{"./capability":257,"./response":259,_process:192,buffer:75,inherits:145,"readable-stream":227}],259:[function(require,module,exports){(function(process,global,Buffer){(function(){var capability=require("./capability"),inherits=require("inherits"),stream=require("readable-stream"),rStates=exports.readyStates={UNSENT:0,OPENED:1,HEADERS_RECEIVED:2,LOADING:3,DONE:4},IncomingMessage=exports.IncomingMessage=function(xhr,response,mode,resetTimers){var self=this;if(stream.Readable.call(self),self._mode=mode,self.headers={},self.rawHeaders=[],self.trailers={},self.rawTrailers=[],self.on("end",function(){process.nextTick(function(){self.emit("close")})}),"fetch"===mode){function read(){reader.read().then(function(result){if(!self._destroyed)return resetTimers(result.done),result.done?void self.push(null):void(self.push(Buffer.from(result.value)),read())}).catch(function(err){resetTimers(!0),self._destroyed||self.emit("error",err)})}if(self._fetchResponse=response,self.url=response.url,self.statusCode=response.status,self.statusMessage=response.statusText,response.headers.forEach(function(header,key){self.headers[key.toLowerCase()]=header,self.rawHeaders.push(key,header)}),capability.writableStream){var writable=new WritableStream({write:function(chunk){return resetTimers(!1),new Promise(function(resolve,reject){self._destroyed?reject():self.push(Buffer.from(chunk))?resolve():self._resumeFetch=resolve})},close:function(){resetTimers(!0),self._destroyed||self.push(null)},abort:function(err){resetTimers(!0),self._destroyed||self.emit("error",err)}});try{return void response.body.pipeTo(writable).catch(function(err){resetTimers(!0),self._destroyed||self.emit("error",err)})}catch(e){}}var reader=response.body.getReader();read()}else{self._xhr=xhr,self._pos=0,self.url=xhr.responseURL,self.statusCode=xhr.status,self.statusMessage=xhr.statusText;var headers=xhr.getAllResponseHeaders().split(/\r?\n/);if(headers.forEach(function(header){var matches=header.match(/^([^:]+):\s*(.*)/);if(matches){var key=matches[1].toLowerCase();"set-cookie"===key?(void 0===self.headers[key]&&(self.headers[key]=[]),self.headers[key].push(matches[2])):void 0===self.headers[key]?self.headers[key]=matches[2]:self.headers[key]+=", "+matches[2],self.rawHeaders.push(matches[1],matches[2])}}),self._charset="x-user-defined",!capability.overrideMimeType){var mimeType=self.rawHeaders["mime-type"];if(mimeType){var charsetMatch=mimeType.match(/;\s*charset=([^;])(;|$)/);charsetMatch&&(self._charset=charsetMatch[1].toLowerCase())}self._charset||(self._charset="utf-8")}}};inherits(IncomingMessage,stream.Readable),IncomingMessage.prototype._read=function(){var self=this,resolve=self._resumeFetch;resolve&&(self._resumeFetch=null,resolve())},IncomingMessage.prototype._onXHRProgress=function(resetTimers){var self=this,xhr=self._xhr,response=null;switch(self._mode){case"text":if(response=xhr.responseText,response.length>self._pos){var newData=response.substr(self._pos);if("x-user-defined"===self._charset){for(var buffer=Buffer.alloc(newData.length),i=0;i<newData.length;i++)buffer[i]=255&newData.charCodeAt(i);self.push(buffer)}else self.push(newData,self._charset);self._pos=response.length}break;case"arraybuffer":if(xhr.readyState!==rStates.DONE||!xhr.response)break;response=xhr.response,self.push(Buffer.from(new Uint8Array(response)));break;case"moz-chunked-arraybuffer":if(response=xhr.response,xhr.readyState!==rStates.LOADING||!response)break;self.push(Buffer.from(new Uint8Array(response)));break;case"ms-stream":if(response=xhr.response,xhr.readyState!==rStates.LOADING)break;var reader=new global.MSStreamReader;reader.onprogress=function(){reader.result.byteLength>self._pos&&(self.push(Buffer.from(new Uint8Array(reader.result.slice(self._pos)))),self._pos=reader.result.byteLength)},reader.onload=function(){resetTimers(!0),self.push(null)},reader.readAsArrayBuffer(response);}self._xhr.readyState===rStates.DONE&&"ms-stream"!==self._mode&&(resetTimers(!0),self.push(null))}}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global,require("buffer").Buffer)},{"./capability":257,_process:192,buffer:75,inherits:145,"readable-stream":227}],260:[function(require,module){module.exports=async function(stream,mimeType){const blob=await getBlob(stream,mimeType),url=URL.createObjectURL(blob);return url};const getBlob=require("stream-to-blob")},{"stream-to-blob":261}],261:[function(require,module){/*! stream-to-blob. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */module.exports=function(stream,mimeType){if(null!=mimeType&&"string"!=typeof mimeType)throw new Error("Invalid mimetype, expected string.");return new Promise((resolve,reject)=>{const chunks=[];stream.on("data",chunk=>chunks.push(chunk)).once("end",()=>{const blob=null==mimeType?new Blob(chunks):new Blob(chunks,{type:mimeType});resolve(blob)}).once("error",reject)})}},{}],262:[function(require,module){(function(Buffer){(function(){/*! stream-with-known-length-to-buffer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */var once=require("once");module.exports=function(stream,length,cb){cb=once(cb);var buf=Buffer.alloc(length),offset=0;stream.on("data",function(chunk){chunk.copy(buf,offset),offset+=chunk.length}).on("end",function(){cb(null,buf)}).on("error",cb)}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75,once:177}],263:[function(require,module){function afterDrain(){this.stream._duplexState|=READ_PIPE_DRAINED,0==(this.stream._duplexState&READ_ACTIVE_AND_SYNC)?this.updateNextTick():this.drain()}function afterFinal(err){const stream=this.stream;err&&stream.destroy(err),0==(stream._duplexState&DESTROY_STATUS)&&(stream._duplexState|=WRITE_DONE,stream.emit("finish")),(stream._duplexState&AUTO_DESTROY)===DONE&&(stream._duplexState|=DESTROYING),stream._duplexState&=WRITE_NOT_ACTIVE,this.update()}function afterDestroy(err){const stream=this.stream;err||this.error===STREAM_DESTROYED||(err=this.error),err&&stream.emit("error",err),stream._duplexState|=DESTROYED,stream.emit("close");const rs=stream._readableState,ws=stream._writableState;null!==rs&&null!==rs.pipeline&&rs.pipeline.done(stream,err),null!==ws&&null!==ws.pipeline&&ws.pipeline.done(stream,err)}function afterWrite(err){const stream=this.stream;err&&stream.destroy(err),stream._duplexState&=WRITE_NOT_ACTIVE,(stream._duplexState&WRITE_DRAIN_STATUS)===WRITE_UNDRAINED&&(stream._duplexState&=WRITE_DRAINED,(stream._duplexState&WRITE_EMIT_DRAIN)===WRITE_EMIT_DRAIN&&stream.emit("drain")),0==(stream._duplexState&WRITE_SYNC)&&this.update()}function afterRead(err){err&&this.stream.destroy(err),this.stream._duplexState&=READ_NOT_ACTIVE,0==(this.stream._duplexState&READ_SYNC)&&this.update()}function updateReadNT(){this.stream._duplexState&=READ_NOT_NEXT_TICK,this.update()}function updateWriteNT(){this.stream._duplexState&=WRITE_NOT_NEXT_TICK,this.update()}function afterOpen(err){const stream=this.stream;err&&stream.destroy(err),0==(stream._duplexState&DESTROYING)&&(0==(stream._duplexState&READ_PRIMARY_STATUS)&&(stream._duplexState|=READ_PRIMARY),0==(stream._duplexState&WRITE_PRIMARY_STATUS)&&(stream._duplexState|=WRITE_PRIMARY),stream.emit("open")),stream._duplexState&=NOT_ACTIVE,null!==stream._writableState&&stream._writableState.update(),null!==stream._readableState&&stream._readableState.update()}function afterTransform(err,data){data!==void 0&&null!==data&&this.push(data),this._writableState.afterWrite(err)}function transformAfterFlush(err,data){const cb=this._transformState.afterFinal;return err?cb(err):void(null!==data&&data!==void 0&&this.push(data),this.push(null),cb(null))}function pipeline(stream,...streams){function errorHandle(s,rd,wr,onerror){s.on("error",onerror),s.on("close",function(){return rd&&s._readableState&&!s._readableState.ended?onerror(PREMATURE_CLOSE):wr&&s._writableState&&!s._writableState.ended?onerror(PREMATURE_CLOSE):void 0})}function onerror(err){if(err&&!error){error=err;for(const s of all)s.destroy(err)}}const all=Array.isArray(stream)?[...stream,...streams]:[stream,...streams],done=all.length&&"function"==typeof all[all.length-1]?all.pop():null;if(2>all.length)throw new Error("Pipeline requires at least 2 streams");let src=all[0],dest=null,error=null;for(let i=1;i<all.length;i++)dest=all[i],isStreamx(src)?src.pipe(dest,onerror):(errorHandle(src,!0,1<i,onerror),src.pipe(dest)),src=dest;if(done){let fin=!1;dest.on("finish",()=>{fin=!0}),dest.on("error",err=>{error=error||err}),dest.on("close",()=>done(error||(fin?null:PREMATURE_CLOSE)))}return dest}function isStream(stream){return!!stream._readableState||!!stream._writableState}function isStreamx(stream){return"number"==typeof stream._duplexState&&isStream(stream)}function isReadStreamx(stream){return isStreamx(stream)&&stream.readable}function isTypedArray(data){return"object"==typeof data&&null!==data&&"number"==typeof data.byteLength}function defaultByteLength(data){return isTypedArray(data)?data.byteLength:1024}function noop(){}function abort(){this.destroy(new Error("Stream aborted."))}const{EventEmitter}=require("events"),STREAM_DESTROYED=new Error("Stream was destroyed"),PREMATURE_CLOSE=new Error("Premature close"),queueTick=require("queue-tick"),FIFO=require("fast-fifo"),MAX=33554431,OPENING=1,DESTROYING=2,DESTROYED=4,NOT_OPENING=MAX^OPENING,READ_ACTIVE=8,READ_PRIMARY=16,READ_SYNC=32,READ_QUEUED=64,READ_RESUMED=128,READ_PIPE_DRAINED=256,READ_ENDING=512,READ_EMIT_DATA=1024,READ_EMIT_READABLE=2048,READ_EMITTED_READABLE=4096,READ_DONE=8192,READ_NEXT_TICK=16392,READ_NEEDS_PUSH=32768,READ_NOT_ACTIVE=MAX^READ_ACTIVE,READ_PIPE_NOT_DRAINED=MAX^(READ_RESUMED|READ_PIPE_DRAINED),READ_NOT_NEXT_TICK=MAX^READ_NEXT_TICK,WRITE_ACTIVE=65536,WRITE_PRIMARY=131072,WRITE_SYNC=262144,WRITE_QUEUED=524288,WRITE_UNDRAINED=1048576,WRITE_DONE=2097152,WRITE_EMIT_DRAIN=4194304,WRITE_NEXT_TICK=8454144,WRITE_FINISHING=16777216,WRITE_NOT_ACTIVE=MAX^WRITE_ACTIVE,WRITE_NON_PRIMARY=MAX^WRITE_PRIMARY,WRITE_DRAINED=MAX^WRITE_UNDRAINED,WRITE_NOT_NEXT_TICK=MAX^WRITE_NEXT_TICK,ACTIVE=READ_ACTIVE|WRITE_ACTIVE,NOT_ACTIVE=MAX^ACTIVE,DONE=READ_DONE|WRITE_DONE,DESTROY_STATUS=DESTROYING|DESTROYED,OPEN_STATUS=DESTROY_STATUS|OPENING,AUTO_DESTROY=DESTROY_STATUS|DONE,TICKING=(WRITE_NEXT_TICK|READ_NEXT_TICK)&NOT_ACTIVE,ACTIVE_OR_TICKING=ACTIVE|TICKING,IS_OPENING=OPEN_STATUS|TICKING,READ_PRIMARY_STATUS=OPEN_STATUS|READ_ENDING|READ_DONE,READ_STATUS=OPEN_STATUS|READ_DONE|READ_QUEUED,READ_ACTIVE_AND_SYNC=READ_ACTIVE|READ_SYNC,WRITE_PRIMARY_STATUS=OPEN_STATUS|WRITE_FINISHING|WRITE_DONE,WRITE_QUEUED_AND_ACTIVE=WRITE_QUEUED|WRITE_ACTIVE,WRITE_DRAIN_STATUS=WRITE_QUEUED|WRITE_UNDRAINED|OPEN_STATUS|WRITE_ACTIVE,WRITE_STATUS=OPEN_STATUS|WRITE_ACTIVE|WRITE_QUEUED,asyncIterator=Symbol.asyncIterator||Symbol("asyncIterator");class WritableState{constructor(stream,{highWaterMark=16384,map=null,mapWritable,byteLength,byteLengthWritable}={}){this.stream=stream,this.queue=new FIFO,this.highWaterMark=highWaterMark,this.buffered=0,this.error=null,this.pipeline=null,this.byteLength=byteLengthWritable||byteLength||defaultByteLength,this.map=mapWritable||map,this.afterWrite=afterWrite.bind(this),this.afterUpdateNextTick=updateWriteNT.bind(this)}get ended(){return 0!=(this.stream._duplexState&WRITE_DONE)}push(data){return(null!==this.map&&(data=this.map(data)),this.buffered+=this.byteLength(data),this.queue.push(data),this.buffered<this.highWaterMark)?(this.stream._duplexState|=WRITE_QUEUED,!0):(this.stream._duplexState|=WRITE_QUEUED|WRITE_UNDRAINED,!1)}shift(){const data=this.queue.shift(),stream=this.stream;return this.buffered-=this.byteLength(data),0===this.buffered&&(stream._duplexState&=MAX^WRITE_QUEUED),data}end(data){"function"==typeof data?this.stream.once("finish",data):data!==void 0&&null!==data&&this.push(data),this.stream._duplexState=(this.stream._duplexState|WRITE_FINISHING)&WRITE_NON_PRIMARY}autoBatch(data,cb){const buffer=[],stream=this.stream;for(buffer.push(data);(stream._duplexState&WRITE_STATUS)===WRITE_QUEUED_AND_ACTIVE;)buffer.push(stream._writableState.shift());return 0==(stream._duplexState&OPEN_STATUS)?void stream._writev(buffer,cb):cb(null)}update(){const stream=this.stream;for(;(stream._duplexState&WRITE_STATUS)===WRITE_QUEUED;){const data=this.shift();stream._duplexState|=WRITE_ACTIVE|WRITE_SYNC,stream._write(data,this.afterWrite),stream._duplexState&=MAX^WRITE_SYNC}0==(stream._duplexState&(WRITE_PRIMARY|WRITE_ACTIVE))&&this.updateNonPrimary()}updateNonPrimary(){const stream=this.stream;return(stream._duplexState&(OPEN_STATUS|WRITE_FINISHING|WRITE_QUEUED_AND_ACTIVE|WRITE_DONE))===WRITE_FINISHING?(stream._duplexState=(stream._duplexState|WRITE_ACTIVE)&(MAX^WRITE_FINISHING),void stream._final(afterFinal.bind(this))):(stream._duplexState&DESTROY_STATUS)===DESTROYING?void(0==(stream._duplexState&ACTIVE_OR_TICKING)&&(stream._duplexState|=ACTIVE,stream._destroy(afterDestroy.bind(this)))):void((stream._duplexState&IS_OPENING)===OPENING&&(stream._duplexState=(stream._duplexState|ACTIVE)&NOT_OPENING,stream._open(afterOpen.bind(this))))}updateNextTick(){0!=(this.stream._duplexState&WRITE_NEXT_TICK)||(this.stream._duplexState|=WRITE_NEXT_TICK,queueTick(this.afterUpdateNextTick))}}class ReadableState{constructor(stream,{highWaterMark=16384,map=null,mapReadable,byteLength,byteLengthReadable}={}){this.stream=stream,this.queue=new FIFO,this.highWaterMark=highWaterMark,this.buffered=0,this.error=null,this.pipeline=null,this.byteLength=byteLengthReadable||byteLength||defaultByteLength,this.map=mapReadable||map,this.pipeTo=null,this.afterRead=afterRead.bind(this),this.afterUpdateNextTick=updateReadNT.bind(this)}get ended(){return 0!=(this.stream._duplexState&READ_DONE)}pipe(pipeTo,cb){if(null!==this.pipeTo)throw new Error("Can only pipe to one destination");if("function"!=typeof cb&&(cb=null),this.stream._duplexState|=READ_PIPE_DRAINED,this.pipeTo=pipeTo,this.pipeline=new Pipeline(this.stream,pipeTo,cb),cb&&this.stream.on("error",noop),isStreamx(pipeTo))pipeTo._writableState.pipeline=this.pipeline,cb&&pipeTo.on("error",noop),pipeTo.on("finish",this.pipeline.finished.bind(this.pipeline));else{const onerror=this.pipeline.done.bind(this.pipeline,pipeTo),onclose=this.pipeline.done.bind(this.pipeline,pipeTo,null);pipeTo.on("error",onerror),pipeTo.on("close",onclose),pipeTo.on("finish",this.pipeline.finished.bind(this.pipeline))}pipeTo.on("drain",afterDrain.bind(this)),this.stream.emit("piping",pipeTo),pipeTo.emit("pipe",this.stream)}push(data){const stream=this.stream;return null===data?(this.highWaterMark=0,stream._duplexState=(stream._duplexState|READ_ENDING)&(MAX^(READ_PRIMARY|READ_NEEDS_PUSH)),!1):(null!==this.map&&(data=this.map(data)),this.buffered+=this.byteLength(data),this.queue.push(data),stream._duplexState=(stream._duplexState|READ_QUEUED)&(MAX^READ_NEEDS_PUSH),this.buffered<this.highWaterMark)}shift(){const data=this.queue.shift();return this.buffered-=this.byteLength(data),0===this.buffered&&(this.stream._duplexState&=MAX^(READ_QUEUED|READ_EMITTED_READABLE)),data}unshift(data){let tail;const pending=[];for(;(tail=this.queue.shift())!==void 0;)pending.push(tail);this.push(data);for(let i=0;i<pending.length;i++)this.queue.push(pending[i])}read(){const stream=this.stream;if((stream._duplexState&READ_STATUS)===READ_QUEUED){const data=this.shift();return null!==this.pipeTo&&!1===this.pipeTo.write(data)&&(stream._duplexState&=READ_PIPE_NOT_DRAINED),0!=(stream._duplexState&READ_EMIT_DATA)&&stream.emit("data",data),data}return null}drain(){for(const stream=this.stream;(stream._duplexState&READ_STATUS)===READ_QUEUED&&0!=(stream._duplexState&(READ_RESUMED|READ_PIPE_DRAINED));){const data=this.shift();null!==this.pipeTo&&!1===this.pipeTo.write(data)&&(stream._duplexState&=READ_PIPE_NOT_DRAINED),0!=(stream._duplexState&READ_EMIT_DATA)&&stream.emit("data",data)}}update(){const stream=this.stream;for(this.drain();this.buffered<this.highWaterMark&&0==(stream._duplexState&(OPEN_STATUS|READ_ACTIVE|READ_ENDING|READ_DONE|READ_NEEDS_PUSH));)stream._duplexState|=READ_ACTIVE|READ_SYNC|READ_NEEDS_PUSH,stream._read(this.afterRead),stream._duplexState&=MAX^READ_SYNC,0==(stream._duplexState&READ_ACTIVE)&&this.drain();(stream._duplexState&(OPEN_STATUS|READ_EMIT_READABLE|READ_QUEUED|READ_EMITTED_READABLE))===(READ_EMIT_READABLE|READ_QUEUED)&&(stream._duplexState|=READ_EMITTED_READABLE,stream.emit("readable")),0==(stream._duplexState&(READ_PRIMARY|READ_ACTIVE))&&this.updateNonPrimary()}updateNonPrimary(){const stream=this.stream;return(stream._duplexState&(OPEN_STATUS|READ_ENDING|READ_QUEUED))===READ_ENDING&&(stream._duplexState=(stream._duplexState|READ_DONE)&(MAX^READ_ENDING),stream.emit("end"),(stream._duplexState&AUTO_DESTROY)===DONE&&(stream._duplexState|=DESTROYING),null!==this.pipeTo&&this.pipeTo.end()),(stream._duplexState&DESTROY_STATUS)===DESTROYING?void(0==(stream._duplexState&ACTIVE_OR_TICKING)&&(stream._duplexState|=ACTIVE,stream._destroy(afterDestroy.bind(this)))):void((stream._duplexState&IS_OPENING)===OPENING&&(stream._duplexState=(stream._duplexState|ACTIVE)&NOT_OPENING,stream._open(afterOpen.bind(this))))}updateNextTick(){0!=(this.stream._duplexState&READ_NEXT_TICK)||(this.stream._duplexState|=READ_NEXT_TICK,queueTick(this.afterUpdateNextTick))}}class TransformState{constructor(stream){this.data=null,this.afterTransform=afterTransform.bind(stream),this.afterFinal=null}}class Pipeline{constructor(src,dst,cb){this.from=src,this.to=dst,this.afterPipe=cb,this.error=null,this.pipeToFinished=!1}finished(){this.pipeToFinished=!0}done(stream,err){return err&&(this.error=err),stream===this.to&&(this.to=null,null!==this.from)?void(0!=(this.from._duplexState&READ_DONE)&&this.pipeToFinished||this.from.destroy(this.error||new Error("Writable stream closed prematurely"))):stream===this.from&&(this.from=null,null!==this.to)?void(0==(stream._duplexState&READ_DONE)&&this.to.destroy(this.error||new Error("Readable stream closed before ending"))):void(null!==this.afterPipe&&this.afterPipe(this.error),this.to=this.from=this.afterPipe=null)}}class Stream extends EventEmitter{constructor(opts){super(),this._duplexState=0,this._readableState=null,this._writableState=null,opts&&(opts.open&&(this._open=opts.open),opts.destroy&&(this._destroy=opts.destroy),opts.predestroy&&(this._predestroy=opts.predestroy),opts.signal&&opts.signal.addEventListener("abort",abort.bind(this)))}_open(cb){cb(null)}_destroy(cb){cb(null)}_predestroy(){}get readable(){return null!==this._readableState||void 0}get writable(){return null!==this._writableState||void 0}get destroyed(){return 0!=(this._duplexState&DESTROYED)}get destroying(){return 0!=(this._duplexState&DESTROY_STATUS)}destroy(err){0==(this._duplexState&DESTROY_STATUS)&&(!err&&(err=STREAM_DESTROYED),this._duplexState=(this._duplexState|DESTROYING)&(WRITE_NON_PRIMARY&(MAX^READ_PRIMARY)),null!==this._readableState&&(this._readableState.error=err,this._readableState.updateNextTick()),null!==this._writableState&&(this._writableState.error=err,this._writableState.updateNextTick()),this._predestroy())}on(name,fn){return null!==this._readableState&&("data"===name&&(this._duplexState|=READ_EMIT_DATA|READ_RESUMED,this._readableState.updateNextTick()),"readable"===name&&(this._duplexState|=READ_EMIT_READABLE,this._readableState.updateNextTick())),null!==this._writableState&&"drain"===name&&(this._duplexState|=WRITE_EMIT_DRAIN,this._writableState.updateNextTick()),super.on(name,fn)}}class Readable extends Stream{constructor(opts){super(opts),this._duplexState|=OPENING|WRITE_DONE,this._readableState=new ReadableState(this,opts),opts&&(opts.read&&(this._read=opts.read),opts.eagerOpen&&this.resume().pause())}_read(cb){cb(null)}pipe(dest,cb){return this._readableState.pipe(dest,cb),this._readableState.updateNextTick(),dest}read(){return this._readableState.updateNextTick(),this._readableState.read()}push(data){return this._readableState.updateNextTick(),this._readableState.push(data)}unshift(data){return this._readableState.updateNextTick(),this._readableState.unshift(data)}resume(){return this._duplexState|=READ_RESUMED,this._readableState.updateNextTick(),this}pause(){return this._duplexState&=MAX^READ_RESUMED,this}static _fromAsyncIterator(ite,opts){function push(data){data.done?rs.push(null):rs.push(data.value)}let destroy;const rs=new Readable({...opts,read(cb){ite.next().then(push).then(cb.bind(null,null)).catch(cb)},predestroy(){destroy=ite.return()},destroy(cb){return destroy?void destroy.then(cb.bind(null,null)).catch(cb):cb(null)}});return rs}static from(data,opts){if(isReadStreamx(data))return data;if(data[asyncIterator])return this._fromAsyncIterator(data[asyncIterator](),opts);Array.isArray(data)||(data=data===void 0?[]:[data]);let i=0;return new Readable({...opts,read(cb){this.push(i===data.length?null:data[i++]),cb(null)}})}static isBackpressured(rs){return 0!=(rs._duplexState&(DESTROY_STATUS|READ_ENDING|READ_DONE))||rs._readableState.buffered>=rs._readableState.highWaterMark}static isPaused(rs){return 0==(rs._duplexState&READ_RESUMED)}[asyncIterator](){function onreadable(){null!==promiseResolve&&ondata(stream.read())}function onclose(){null!==promiseResolve&&ondata(null)}function ondata(data){null===promiseReject||(error?promiseReject(error):null===data&&0==(stream._duplexState&READ_DONE)?promiseReject(STREAM_DESTROYED):promiseResolve({value:data,done:null==data}),promiseReject=promiseResolve=null)}function destroy(err){return stream.destroy(err),new Promise((resolve,reject)=>stream._duplexState&DESTROYED?resolve({value:void 0,done:!0}):void stream.once("close",function(){err?reject(err):resolve({value:void 0,done:!0})}))}const stream=this;let error=null,promiseResolve=null,promiseReject=null;return this.on("error",err=>{error=err}),this.on("readable",onreadable),this.on("close",onclose),{[asyncIterator](){return this},next(){return new Promise(function(resolve,reject){promiseResolve=resolve,promiseReject=reject;const data=stream.read();null===data?0!=(stream._duplexState&DESTROYED)&&ondata(null):ondata(data)})},return(){return destroy(null)},throw(err){return destroy(err)}}}}class Duplex extends Readable{constructor(opts){super(opts),this._duplexState=OPENING,this._writableState=new WritableState(this,opts),opts&&(opts.writev&&(this._writev=opts.writev),opts.write&&(this._write=opts.write),opts.final&&(this._final=opts.final))}_writev(batch,cb){cb(null)}_write(data,cb){this._writableState.autoBatch(data,cb)}_final(cb){cb(null)}write(data){return this._writableState.updateNextTick(),this._writableState.push(data)}end(data){return this._writableState.updateNextTick(),this._writableState.end(data),this}}class Transform extends Duplex{constructor(opts){super(opts),this._transformState=new TransformState(this),opts&&(opts.transform&&(this._transform=opts.transform),opts.flush&&(this._flush=opts.flush))}_write(data){this._readableState.buffered>=this._readableState.highWaterMark?this._transformState.data=data:this._transform(data,this._transformState.afterTransform)}_read(cb){if(null!==this._transformState.data){const data=this._transformState.data;this._transformState.data=null,cb(null),this._transform(data,this._transformState.afterTransform)}else cb(null)}_transform(data,cb){cb(null,data)}_flush(cb){cb(null)}_final(cb){this._transformState.afterFinal=cb,this._flush(transformAfterFlush.bind(this))}}module.exports={pipeline,pipelinePromise:function(...streams){return new Promise((resolve,reject)=>pipeline(...streams,err=>err?reject(err):void resolve()))},isStream,isStreamx,Stream,Writable:class extends Stream{constructor(opts){super(opts),this._duplexState|=OPENING|READ_DONE,this._writableState=new WritableState(this,opts),opts&&(opts.writev&&(this._writev=opts.writev),opts.write&&(this._write=opts.write),opts.final&&(this._final=opts.final))}_writev(batch,cb){cb(null)}_write(data,cb){this._writableState.autoBatch(data,cb)}_final(cb){cb(null)}static isBackpressured(ws){return 0!=(ws._duplexState&(WRITE_UNDRAINED|DESTROY_STATUS|WRITE_FINISHING|WRITE_DONE))}write(data){return this._writableState.updateNextTick(),this._writableState.push(data)}end(data){return this._writableState.updateNextTick(),this._writableState.end(data),this}},Readable,Duplex,Transform,PassThrough:class extends Transform{}}},{events:122,"fast-fifo":125,"queue-tick":206}],264:[function(require,module,exports){arguments[4][70][0].apply(exports,arguments)},{dup:70,"safe-buffer":234}],265:[function(require,module,exports){var base32=require("./thirty-two");exports.encode=base32.encode,exports.decode=base32.decode},{"./thirty-two":266}],266:[function(require,module,exports){(function(Buffer){(function(){"use strict";function quintetCount(buff){var quintets=_Mathfloor(buff.length/5);return 0==buff.length%5?quintets:quintets+1}var byteTable=[255,255,26,27,28,29,30,31,255,255,255,255,255,255,255,255,255,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,255,255,255,255,255,255,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,255,255,255,255,255];exports.encode=function(plain){Buffer.isBuffer(plain)||(plain=new Buffer(plain));for(var i=0,j=0,shiftIndex=0,digit=0,encoded=new Buffer(8*quintetCount(plain));i<plain.length;){var current=plain[i];3<shiftIndex?(digit=current&255>>shiftIndex,shiftIndex=(shiftIndex+5)%8,digit=digit<<shiftIndex|(i+1<plain.length?plain[i+1]:0)>>8-shiftIndex,i++):(digit=31¤t>>8-(shiftIndex+5),shiftIndex=(shiftIndex+5)%8,0===shiftIndex&&i++),encoded[j]="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567".charCodeAt(digit),j++}for(i=j;i<encoded.length;i++)encoded[i]=61;return encoded},exports.decode=function(encoded){var shiftIndex=0,plainDigit=0,plainPos=0,plainChar;Buffer.isBuffer(encoded)||(encoded=new Buffer(encoded));for(var decoded=new Buffer(_Mathceil(5*encoded.length/8)),i=0;i<encoded.length&&!(61===encoded[i]);i++){var encodedByte=encoded[i]-48;if(encodedByte<byteTable.length)plainDigit=byteTable[encodedByte],3>=shiftIndex?(shiftIndex=(shiftIndex+5)%8,0===shiftIndex?(plainChar|=plainDigit,decoded[plainPos]=plainChar,plainPos++,plainChar=0):plainChar|=255&plainDigit<<8-shiftIndex):(shiftIndex=(shiftIndex+5)%8,plainChar|=255&plainDigit>>>shiftIndex,decoded[plainPos]=plainChar,plainPos++,plainChar=255&plainDigit<<8-shiftIndex);else throw new Error("Invalid input - it is not base32 encoded string")}return decoded.slice(0,plainPos)}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75}],267:[function(require,module){var Buffer=require("buffer").Buffer;module.exports=function(buf){if(buf instanceof Uint8Array){if(0===buf.byteOffset&&buf.byteLength===buf.buffer.byteLength)return buf.buffer;if("function"==typeof buf.buffer.slice)return buf.buffer.slice(buf.byteOffset,buf.byteOffset+buf.byteLength)}if(Buffer.isBuffer(buf)){for(var arrayCopy=new Uint8Array(buf.length),len=buf.length,i=0;i<len;i++)arrayCopy[i]=buf[i];return arrayCopy.buffer}throw new Error("Argument must be a Buffer")}},{buffer:75}],268:[function(require,module){(function(process){(function(){/*! torrent-discovery. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const debug=require("debug")("torrent-discovery"),DHT=require("bittorrent-dht/client"),EventEmitter=require("events").EventEmitter,parallel=require("run-parallel"),Tracker=require("bittorrent-tracker/client"),LSD=require("bittorrent-lsd");module.exports=class extends EventEmitter{constructor(opts){if(super(),!opts.peerId)throw new Error("Option `peerId` is required");if(!opts.infoHash)throw new Error("Option `infoHash` is required");if(!process.browser&&!opts.port)throw new Error("Option `port` is required");this.peerId="string"==typeof opts.peerId?opts.peerId:opts.peerId.toString("hex"),this.infoHash="string"==typeof opts.infoHash?opts.infoHash.toLowerCase():opts.infoHash.toString("hex"),this._port=opts.port,this._userAgent=opts.userAgent,this.destroyed=!1,this._announce=opts.announce||[],this._intervalMs=opts.intervalMs||900000,this._trackerOpts=null,this._dhtAnnouncing=!1,this._dhtTimeout=!1,this._internalDHT=!1,this._onWarning=err=>{this.emit("warning",err)},this._onError=err=>{this.emit("error",err)},this._onDHTPeer=(peer,infoHash)=>{infoHash.toString("hex")!==this.infoHash||this.emit("peer",`${peer.host}:${peer.port}`,"dht")},this._onTrackerPeer=peer=>{this.emit("peer",peer,"tracker")},this._onTrackerAnnounce=()=>{this.emit("trackerAnnounce")},this._onLSDPeer=peer=>{this.emit("peer",peer,"lsd")};const createDHT=(port,opts)=>{const dht=new DHT(opts);return dht.on("warning",this._onWarning),dht.on("error",this._onError),dht.listen(port),this._internalDHT=!0,dht};!1===opts.tracker?this.tracker=null:opts.tracker&&"object"==typeof opts.tracker?(this._trackerOpts=Object.assign({},opts.tracker),this.tracker=this._createTracker()):this.tracker=this._createTracker(),this.dht=!1===opts.dht||"function"!=typeof DHT?null:opts.dht&&"function"==typeof opts.dht.addNode?opts.dht:opts.dht&&"object"==typeof opts.dht?createDHT(opts.dhtPort,opts.dht):createDHT(opts.dhtPort),this.dht&&(this.dht.on("peer",this._onDHTPeer),this._dhtAnnounce()),this.lsd=!1===opts.lsd||"function"!=typeof LSD?null:this._createLSD()}updatePort(port){port===this._port||(this._port=port,this.dht&&this._dhtAnnounce(),this.tracker&&(this.tracker.stop(),this.tracker.destroy(()=>{this.tracker=this._createTracker()})))}complete(opts){this.tracker&&this.tracker.complete(opts)}destroy(cb){if(!this.destroyed){this.destroyed=!0,clearTimeout(this._dhtTimeout);const tasks=[];this.tracker&&(this.tracker.stop(),this.tracker.removeListener("warning",this._onWarning),this.tracker.removeListener("error",this._onError),this.tracker.removeListener("peer",this._onTrackerPeer),this.tracker.removeListener("update",this._onTrackerAnnounce),tasks.push(cb=>{this.tracker.destroy(cb)})),this.dht&&this.dht.removeListener("peer",this._onDHTPeer),this._internalDHT&&(this.dht.removeListener("warning",this._onWarning),this.dht.removeListener("error",this._onError),tasks.push(cb=>{this.dht.destroy(cb)})),this.lsd&&(this.lsd.removeListener("warning",this._onWarning),this.lsd.removeListener("error",this._onError),this.lsd.removeListener("peer",this._onLSDPeer),tasks.push(cb=>{this.lsd.destroy(cb)})),parallel(tasks,cb),this.dht=null,this.tracker=null,this.lsd=null,this._announce=null}}_createTracker(){const opts=Object.assign({},this._trackerOpts,{infoHash:this.infoHash,announce:this._announce,peerId:this.peerId,port:this._port,userAgent:this._userAgent}),tracker=new Tracker(opts);return tracker.on("warning",this._onWarning),tracker.on("error",this._onError),tracker.on("peer",this._onTrackerPeer),tracker.on("update",this._onTrackerAnnounce),tracker.setInterval(this._intervalMs),tracker.start(),tracker}_dhtAnnounce(){this._dhtAnnouncing||(debug("dht announce"),this._dhtAnnouncing=!0,clearTimeout(this._dhtTimeout),this.dht.announce(this.infoHash,this._port,err=>{this._dhtAnnouncing=!1,debug("dht announce complete"),err&&this.emit("warning",err),this.emit("dhtAnnounce"),this.destroyed||(this._dhtTimeout=setTimeout(()=>{this._dhtAnnounce()},this._intervalMs+_Mathfloor(Math.random()*this._intervalMs/5)),this._dhtTimeout.unref&&this._dhtTimeout.unref())}))}_createLSD(){const opts=Object.assign({},{infoHash:this.infoHash,peerId:this.peerId,port:this._port}),lsd=new LSD(opts);return lsd.on("warning",this._onWarning),lsd.on("error",this._onError),lsd.on("peer",this._onLSDPeer),lsd.start(),lsd}}}).call(this)}).call(this,require("_process"))},{_process:192,"bittorrent-dht/client":41,"bittorrent-lsd":41,"bittorrent-tracker/client":33,debug:90,events:122,"run-parallel":232}],269:[function(require,module){(function(Buffer){(function(){/*! torrent-piece. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const BLOCK_LENGTH=16384;class Piece{constructor(length){this.length=length,this.missing=length,this.sources=null,this._chunks=_Mathceil(length/BLOCK_LENGTH),this._remainder=length%BLOCK_LENGTH||BLOCK_LENGTH,this._buffered=0,this._buffer=null,this._cancellations=null,this._reservations=0,this._flushed=!1}chunkLength(i){return i===this._chunks-1?this._remainder:BLOCK_LENGTH}chunkLengthRemaining(i){return this.length-i*BLOCK_LENGTH}chunkOffset(i){return i*BLOCK_LENGTH}reserve(){return this.init()?this._cancellations.length?this._cancellations.pop():this._reservations<this._chunks?this._reservations++:-1:-1}reserveRemaining(){if(!this.init())return-1;if(this._cancellations.length||this._reservations<this._chunks){let min=this._reservations;for(;this._cancellations.length;)min=_Mathmin(min,this._cancellations.pop());return this._reservations=this._chunks,min}return-1}cancel(i){this.init()&&this._cancellations.push(i)}cancelRemaining(i){this.init()&&(this._reservations=i)}get(i){return this.init()?this._buffer[i]:null}set(i,data,source){if(!this.init())return!1;const len=data.length,blocks=_Mathceil(len/BLOCK_LENGTH);for(let j=0;j<blocks;j++)if(!this._buffer[i+j]){const offset=j*BLOCK_LENGTH,splitData=data.slice(offset,offset+BLOCK_LENGTH);this._buffered++,this._buffer[i+j]=splitData,this.missing-=splitData.length,this.sources.includes(source)||this.sources.push(source)}return this._buffered===this._chunks}flush(){if(!this._buffer||this._chunks!==this._buffered)return null;const buffer=Buffer.concat(this._buffer,this.length);return this._buffer=null,this._cancellations=null,this.sources=null,this._flushed=!0,buffer}init(){return!this._flushed&&(!!this._buffer||(this._buffer=Array(this._chunks),this._cancellations=[],this.sources=[],!0))}}Object.defineProperty(Piece,"BLOCK_LENGTH",{value:16384}),module.exports=Piece}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75}],270:[function(require,module){(function(Buffer){(function(){var isTypedArray=require("is-typedarray").strict;module.exports=function(arr){if(isTypedArray(arr)){var buf=Buffer.from(arr.buffer);return arr.byteLength!==arr.buffer.byteLength&&(buf=buf.slice(arr.byteOffset,arr.byteOffset+arr.byteLength)),buf}return Buffer.from(arr)}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75,"is-typedarray":148}],271:[function(require,module,exports){var bufferAlloc=require("buffer-alloc"),UINT_32_MAX=_Mathpow(2,32);exports.encodingLength=function(){return 8},exports.encode=function(num,buf,offset){buf||(buf=bufferAlloc(8)),offset||(offset=0);var top=_Mathfloor(num/UINT_32_MAX);return buf.writeUInt32BE(top,offset),buf.writeUInt32BE(num-top*UINT_32_MAX,offset+4),buf},exports.decode=function(buf,offset){offset||(offset=0);var top=buf.readUInt32BE(offset),rem=buf.readUInt32BE(offset+4);return top*UINT_32_MAX+rem},exports.encode.bytes=8,exports.decode.bytes=8},{"buffer-alloc":72}],272:[function(require,module){module.exports=function(arr,i){if(!(i>=arr.length||0>i)){var last=arr.pop();if(i<arr.length){var tmp=arr[i];return arr[i]=last,tmp}return last}}},{}],273:[function(require,module,exports){"use strict";function Url(){this.protocol=null,this.slashes=null,this.auth=null,this.host=null,this.port=null,this.hostname=null,this.hash=null,this.search=null,this.query=null,this.pathname=null,this.path=null,this.href=null}function urlParse(url,parseQueryString,slashesDenoteHost){if(url&&util.isObject(url)&&url instanceof Url)return url;var u=new Url;return u.parse(url,parseQueryString,slashesDenoteHost),u}var punycode=require("punycode"),util=require("./util");exports.parse=urlParse,exports.resolve=function(source,relative){return urlParse(source,!1,!0).resolve(relative)},exports.resolveObject=function(source,relative){return source?urlParse(source,!1,!0).resolveObject(relative):relative},exports.format=function(obj){return util.isString(obj)&&(obj=urlParse(obj)),obj instanceof Url?obj.format():Url.prototype.format.call(obj)},exports.Url=Url;var unwise=["{","}","|","\\","^","`"].concat(["<",">","\"","`"," ","\r","\n","\t"]),autoEscape=["'"].concat(unwise),nonHostChars=["%","/","?",";","#"].concat(autoEscape),hostEndingChars=["/","?","#"],hostnamePartPattern=/^[+a-z0-9A-Z_-]{0,63}$/,unsafeProtocol={javascript:!0,"javascript:":!0},hostlessProtocol={javascript:!0,"javascript:":!0},slashedProtocol={http:!0,https:!0,ftp:!0,gopher:!0,file:!0,"http:":!0,"https:":!0,"ftp:":!0,"gopher:":!0,"file:":!0},querystring=require("querystring");Url.prototype.parse=function(url,parseQueryString,slashesDenoteHost){if(!util.isString(url))throw new TypeError("Parameter 'url' must be a string, not "+typeof url);var queryIndex=url.indexOf("?"),splitter=-1!==queryIndex&&queryIndex<url.indexOf("#")?"?":"#",uSplit=url.split(splitter);uSplit[0]=uSplit[0].replace(/\\/g,"/"),url=uSplit.join(splitter);var rest=url;if(rest=rest.trim(),!slashesDenoteHost&&1===url.split("#").length){var simplePath=/^(\/\/?(?!\/)[^\?\s]*)(\?[^\s]*)?$/.exec(rest);if(simplePath)return this.path=rest,this.href=rest,this.pathname=simplePath[1],simplePath[2]?(this.search=simplePath[2],this.query=parseQueryString?querystring.parse(this.search.substr(1)):this.search.substr(1)):parseQueryString&&(this.search="",this.query={}),this}var proto=/^([a-z0-9.+-]+:)/i.exec(rest);if(proto){proto=proto[0];var lowerProto=proto.toLowerCase();this.protocol=lowerProto,rest=rest.substr(proto.length)}if(slashesDenoteHost||proto||rest.match(/^\/\/[^@\/]+@[^@\/]+/)){var slashes="//"===rest.substr(0,2);slashes&&!(proto&&hostlessProtocol[proto])&&(rest=rest.substr(2),this.slashes=!0)}if(!hostlessProtocol[proto]&&(slashes||proto&&!slashedProtocol[proto])){for(var hostEnd=-1,i=0,hec;i<hostEndingChars.length;i++)hec=rest.indexOf(hostEndingChars[i]),-1!==hec&&(-1===hostEnd||hec<hostEnd)&&(hostEnd=hec);var auth,atSign;atSign=-1===hostEnd?rest.lastIndexOf("@"):rest.lastIndexOf("@",hostEnd),-1!==atSign&&(auth=rest.slice(0,atSign),rest=rest.slice(atSign+1),this.auth=decodeURIComponent(auth)),hostEnd=-1;for(var i=0,hec;i<nonHostChars.length;i++)hec=rest.indexOf(nonHostChars[i]),-1!==hec&&(-1===hostEnd||hec<hostEnd)&&(hostEnd=hec);-1===hostEnd&&(hostEnd=rest.length),this.host=rest.slice(0,hostEnd),rest=rest.slice(hostEnd),this.parseHost(),this.hostname=this.hostname||"";var ipv6Hostname="["===this.hostname[0]&&"]"===this.hostname[this.hostname.length-1];if(!ipv6Hostname)for(var hostparts=this.hostname.split(/\./),i=0,l=hostparts.length,part;i<l;i++)if(part=hostparts[i],part&&!part.match(hostnamePartPattern)){for(var newpart="",j=0,k=part.length;j<k;j++)newpart+=127<part.charCodeAt(j)?"x":part[j];if(!newpart.match(hostnamePartPattern)){var validParts=hostparts.slice(0,i),notHost=hostparts.slice(i+1),bit=part.match(/^([+a-z0-9A-Z_-]{0,63})(.*)$/);bit&&(validParts.push(bit[1]),notHost.unshift(bit[2])),notHost.length&&(rest="/"+notHost.join(".")+rest),this.hostname=validParts.join(".");break}}this.hostname=255<this.hostname.length?"":this.hostname.toLowerCase(),ipv6Hostname||(this.hostname=punycode.toASCII(this.hostname));var p=this.port?":"+this.port:"",h=this.hostname||"";this.host=h+p,this.href+=this.host,ipv6Hostname&&(this.hostname=this.hostname.substr(1,this.hostname.length-2),"/"!==rest[0]&&(rest="/"+rest))}if(!unsafeProtocol[lowerProto])for(var i=0,l=autoEscape.length,ae;i<l;i++)if(ae=autoEscape[i],-1!==rest.indexOf(ae)){var esc=encodeURIComponent(ae);esc===ae&&(esc=escape(ae)),rest=rest.split(ae).join(esc)}var hash=rest.indexOf("#");-1!==hash&&(this.hash=rest.substr(hash),rest=rest.slice(0,hash));var qm=rest.indexOf("?");if(-1===qm?parseQueryString&&(this.search="",this.query={}):(this.search=rest.substr(qm),this.query=rest.substr(qm+1),parseQueryString&&(this.query=querystring.parse(this.query)),rest=rest.slice(0,qm)),rest&&(this.pathname=rest),slashedProtocol[lowerProto]&&this.hostname&&!this.pathname&&(this.pathname="/"),this.pathname||this.search){var p=this.pathname||"",s=this.search||"";this.path=p+s}return this.href=this.format(),this},Url.prototype.format=function(){var auth=this.auth||"";auth&&(auth=encodeURIComponent(auth),auth=auth.replace(/%3A/i,":"),auth+="@");var protocol=this.protocol||"",pathname=this.pathname||"",hash=this.hash||"",host=!1,query="";this.host?host=auth+this.host:this.hostname&&(host=auth+(-1===this.hostname.indexOf(":")?this.hostname:"["+this.hostname+"]"),this.port&&(host+=":"+this.port)),this.query&&util.isObject(this.query)&&Object.keys(this.query).length&&(query=querystring.stringify(this.query));var search=this.search||query&&"?"+query||"";return protocol&&":"!==protocol.substr(-1)&&(protocol+=":"),this.slashes||(!protocol||slashedProtocol[protocol])&&!1!==host?(host="//"+(host||""),pathname&&"/"!==pathname.charAt(0)&&(pathname="/"+pathname)):!host&&(host=""),hash&&"#"!==hash.charAt(0)&&(hash="#"+hash),search&&"?"!==search.charAt(0)&&(search="?"+search),pathname=pathname.replace(/[?#]/g,function(match){return encodeURIComponent(match)}),search=search.replace("#","%23"),protocol+host+pathname+search+hash},Url.prototype.resolve=function(relative){return this.resolveObject(urlParse(relative,!1,!0)).format()},Url.prototype.resolveObject=function(relative){if(util.isString(relative)){var rel=new Url;rel.parse(relative,!1,!0),relative=rel}for(var result=new Url,tkeys=Object.keys(this),tk=0,tkey;tk<tkeys.length;tk++)tkey=tkeys[tk],result[tkey]=this[tkey];if(result.hash=relative.hash,""===relative.href)return result.href=result.format(),result;if(relative.slashes&&!relative.protocol){for(var rkeys=Object.keys(relative),rk=0,rkey;rk<rkeys.length;rk++)rkey=rkeys[rk],"protocol"!==rkey&&(result[rkey]=relative[rkey]);return slashedProtocol[result.protocol]&&result.hostname&&!result.pathname&&(result.path=result.pathname="/"),result.href=result.format(),result}if(relative.protocol&&relative.protocol!==result.protocol){if(!slashedProtocol[relative.protocol]){for(var keys=Object.keys(relative),v=0,k;v<keys.length;v++)k=keys[v],result[k]=relative[k];return result.href=result.format(),result}if(result.protocol=relative.protocol,!relative.host&&!hostlessProtocol[relative.protocol]){for(var relPath=(relative.pathname||"").split("/");relPath.length&&!(relative.host=relPath.shift()););relative.host||(relative.host=""),relative.hostname||(relative.hostname=""),""!==relPath[0]&&relPath.unshift(""),2>relPath.length&&relPath.unshift(""),result.pathname=relPath.join("/")}else result.pathname=relative.pathname;if(result.search=relative.search,result.query=relative.query,result.host=relative.host||"",result.auth=relative.auth,result.hostname=relative.hostname||relative.host,result.port=relative.port,result.pathname||result.search){var p=result.pathname||"",s=result.search||"";result.path=p+s}return result.slashes=result.slashes||relative.slashes,result.href=result.format(),result}var isSourceAbs=result.pathname&&"/"===result.pathname.charAt(0),isRelAbs=relative.host||relative.pathname&&"/"===relative.pathname.charAt(0),mustEndAbs=isRelAbs||isSourceAbs||result.host&&relative.pathname,removeAllDots=mustEndAbs,srcPath=result.pathname&&result.pathname.split("/")||[],relPath=relative.pathname&&relative.pathname.split("/")||[],psychotic=result.protocol&&!slashedProtocol[result.protocol];if(psychotic&&(result.hostname="",result.port=null,result.host&&(""===srcPath[0]?srcPath[0]=result.host:srcPath.unshift(result.host)),result.host="",relative.protocol&&(relative.hostname=null,relative.port=null,relative.host&&(""===relPath[0]?relPath[0]=relative.host:relPath.unshift(relative.host)),relative.host=null),mustEndAbs=mustEndAbs&&(""===relPath[0]||""===srcPath[0])),isRelAbs)result.host=relative.host||""===relative.host?relative.host:result.host,result.hostname=relative.hostname||""===relative.hostname?relative.hostname:result.hostname,result.search=relative.search,result.query=relative.query,srcPath=relPath;else if(relPath.length)srcPath||(srcPath=[]),srcPath.pop(),srcPath=srcPath.concat(relPath),result.search=relative.search,result.query=relative.query;else if(!util.isNullOrUndefined(relative.search)){if(psychotic){result.hostname=result.host=srcPath.shift();var authInHost=!!(result.host&&0<result.host.indexOf("@"))&&result.host.split("@");authInHost&&(result.auth=authInHost.shift(),result.host=result.hostname=authInHost.shift())}return result.search=relative.search,result.query=relative.query,util.isNull(result.pathname)&&util.isNull(result.search)||(result.path=(result.pathname?result.pathname:"")+(result.search?result.search:"")),result.href=result.format(),result}if(!srcPath.length)return result.pathname=null,result.path=result.search?"/"+result.search:null,result.href=result.format(),result;for(var last=srcPath.slice(-1)[0],hasTrailingSlash=(result.host||relative.host||1<srcPath.length)&&("."===last||".."===last)||""===last,up=0,i=srcPath.length;0<=i;i--)last=srcPath[i],"."===last?srcPath.splice(i,1):".."===last?(srcPath.splice(i,1),up++):up&&(srcPath.splice(i,1),up--);if(!mustEndAbs&&!removeAllDots)for(;up--;up)srcPath.unshift("..");mustEndAbs&&""!==srcPath[0]&&(!srcPath[0]||"/"!==srcPath[0].charAt(0))&&srcPath.unshift(""),hasTrailingSlash&&"/"!==srcPath.join("/").substr(-1)&&srcPath.push("");var isAbsolute=""===srcPath[0]||srcPath[0]&&"/"===srcPath[0].charAt(0);if(psychotic){result.hostname=result.host=isAbsolute?"":srcPath.length?srcPath.shift():"";var authInHost=!!(result.host&&0<result.host.indexOf("@"))&&result.host.split("@");authInHost&&(result.auth=authInHost.shift(),result.host=result.hostname=authInHost.shift())}return mustEndAbs=mustEndAbs||result.host&&srcPath.length,mustEndAbs&&!isAbsolute&&srcPath.unshift(""),srcPath.length?result.pathname=srcPath.join("/"):(result.pathname=null,result.path=null),util.isNull(result.pathname)&&util.isNull(result.search)||(result.path=(result.pathname?result.pathname:"")+(result.search?result.search:"")),result.auth=relative.auth||result.auth,result.slashes=result.slashes||relative.slashes,result.href=result.format(),result},Url.prototype.parseHost=function(){var host=this.host,port=/:[0-9]*$/.exec(host);port&&(port=port[0],":"!==port&&(this.port=port.substr(1)),host=host.substr(0,host.length-port.length)),host&&(this.hostname=host)}},{"./util":274,punycode:201,querystring:204}],274:[function(require,module){"use strict";module.exports={isString:function(arg){return"string"==typeof arg},isObject:function(arg){return"object"==typeof arg&&null!==arg},isNull:function(arg){return null===arg},isNullOrUndefined:function(arg){return null==arg}}},{}],275:[function(require,module){(function(Buffer){(function(){/*! ut_metadata. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const{EventEmitter}=require("events"),bencode=require("bencode"),BitField=require("bitfield").default,debug=require("debug")("ut_metadata"),sha1=require("simple-sha1"),BITFIELD_GROW=1E3,PIECE_LENGTH=16384;module.exports=metadata=>{class utMetadata extends EventEmitter{constructor(wire){super(),this._wire=wire,this._fetching=!1,this._metadataComplete=!1,this._metadataSize=null,this._remainingRejects=null,this._bitfield=new BitField(0,{grow:BITFIELD_GROW}),Buffer.isBuffer(metadata)&&this.setMetadata(metadata)}onHandshake(infoHash){this._infoHash=infoHash}onExtendedHandshake(handshake){return handshake.m&&handshake.m.ut_metadata?handshake.metadata_size?"number"!=typeof handshake.metadata_size||1E7<handshake.metadata_size||0>=handshake.metadata_size?this.emit("warning",new Error("Peer gave invalid metadata size")):void(this._metadataSize=handshake.metadata_size,this._numPieces=_Mathceil(this._metadataSize/PIECE_LENGTH),this._remainingRejects=2*this._numPieces,this._requestPieces()):this.emit("warning",new Error("Peer does not have metadata")):this.emit("warning",new Error("Peer does not support ut_metadata"))}onMessage(buf){let dict,trailer;try{const str=buf.toString(),trailerIndex=str.indexOf("ee")+2;dict=bencode.decode(str.substring(0,trailerIndex)),trailer=buf.slice(trailerIndex)}catch(err){return}switch(dict.msg_type){case 0:this._onRequest(dict.piece);break;case 1:this._onData(dict.piece,trailer,dict.total_size);break;case 2:this._onReject(dict.piece);}}fetch(){this._metadataComplete||(this._fetching=!0,this._metadataSize&&this._requestPieces())}cancel(){this._fetching=!1}setMetadata(metadata){if(this._metadataComplete)return!0;debug("set metadata");try{const info=bencode.decode(metadata).info;info&&(metadata=bencode.encode(info))}catch(err){}return!(this._infoHash&&this._infoHash!==sha1.sync(metadata))&&(this.cancel(),this.metadata=metadata,this._metadataComplete=!0,this._metadataSize=this.metadata.length,this._wire.extendedHandshake.metadata_size=this._metadataSize,this.emit("metadata",bencode.encode({info:bencode.decode(this.metadata)})),!0)}_send(dict,trailer){let buf=bencode.encode(dict);Buffer.isBuffer(trailer)&&(buf=Buffer.concat([buf,trailer])),this._wire.extended("ut_metadata",buf)}_request(piece){this._send({msg_type:0,piece})}_data(piece,buf,totalSize){const msg={msg_type:1,piece};"number"==typeof totalSize&&(msg.total_size=totalSize),this._send(msg,buf)}_reject(piece){this._send({msg_type:2,piece})}_onRequest(piece){if(!this._metadataComplete)return void this._reject(piece);const start=piece*PIECE_LENGTH;let end=start+PIECE_LENGTH;end>this._metadataSize&&(end=this._metadataSize);const buf=this.metadata.slice(start,end);this._data(piece,buf,this._metadataSize)}_onData(piece,buf){buf.length>PIECE_LENGTH||!this._fetching||(buf.copy(this.metadata,piece*PIECE_LENGTH),this._bitfield.set(piece),this._checkDone())}_onReject(piece){0<this._remainingRejects&&this._fetching?(this._request(piece),this._remainingRejects-=1):this.emit("warning",new Error("Peer sent \"reject\" too much"))}_requestPieces(){if(this._fetching){this.metadata=Buffer.alloc(this._metadataSize);for(let piece=0;piece<this._numPieces;piece++)this._request(piece)}}_checkDone(){let done=!0;for(let piece=0;piece<this._numPieces;piece++)if(!this._bitfield.get(piece)){done=!1;break}if(done){const success=this.setMetadata(this.metadata);success||this._failedMetadata()}}_failedMetadata(){this._bitfield=new BitField(0,{grow:BITFIELD_GROW}),this._remainingRejects-=this._numPieces,0<this._remainingRejects?this._requestPieces():this.emit("warning",new Error("Peer sent invalid metadata"))}}return utMetadata.prototype.name="ut_metadata",utMetadata}}).call(this)}).call(this,require("buffer").Buffer)},{bencode:27,bitfield:31,buffer:75,debug:90,events:122,"simple-sha1":247}],276:[function(require,module){(function(global){(function(){function config(name){try{if(!global.localStorage)return!1}catch(_){return!1}var val=global.localStorage[name];return null!=val&&"true"===(val+"").toLowerCase()}module.exports=function(fn,msg){function deprecated(){if(!warned){if(config("throwDeprecation"))throw new Error(msg);else config("traceDeprecation")?console.trace(msg):console.warn(msg);warned=!0}return fn.apply(this,arguments)}if(config("noDeprecation"))return fn;var warned=!1;return deprecated}}).call(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}],277:[function(require,module){(function(Buffer){(function(){function empty(){return{version:0,flags:0,entries:[]}}const bs=require("binary-search"),EventEmitter=require("events"),mp4=require("mp4-stream"),Box=require("mp4-box-encoding"),RangeSliceStream=require("range-slice-stream");class RunLengthIndex{constructor(entries,countName){this._entries=entries,this._countName=countName||"count",this._index=0,this._offset=0,this.value=this._entries[0]}inc(){this._offset++,this._offset>=this._entries[this._index][this._countName]&&(this._index++,this._offset=0),this.value=this._entries[this._index]}}module.exports=class extends EventEmitter{constructor(file){super(),this._tracks=[],this._file=file,this._decoder=null,this._findMoov(0)}_findMoov(offset){this._decoder&&this._decoder.destroy();let toSkip=0;this._decoder=mp4.decode();const fileStream=this._file.createReadStream({start:offset});fileStream.pipe(this._decoder);const boxHandler=headers=>{"moov"===headers.type?(this._decoder.removeListener("box",boxHandler),this._decoder.decode(moov=>{fileStream.destroy();try{this._processMoov(moov)}catch(err){err.message=`Cannot parse mp4 file: ${err.message}`,this.emit("error",err)}})):headers.length<4096?(toSkip+=headers.length,this._decoder.ignore()):(this._decoder.removeListener("box",boxHandler),toSkip+=headers.length,fileStream.destroy(),this._decoder.destroy(),this._findMoov(offset+toSkip))};this._decoder.on("box",boxHandler)}_processMoov(moov){const traks=moov.traks;this._tracks=[],this._hasVideo=!1,this._hasAudio=!1;for(let i=0;i<traks.length;i++){const trak=traks[i],stbl=trak.mdia.minf.stbl,stsdEntry=stbl.stsd.entries[0],handlerType=trak.mdia.hdlr.handlerType;let codec,mime;if("vide"===handlerType&&"avc1"===stsdEntry.type){if(this._hasVideo)continue;this._hasVideo=!0,codec="avc1",stsdEntry.avcC&&(codec+=`.${stsdEntry.avcC.mimeCodec}`),mime=`video/mp4; codecs="${codec}"`}else if("soun"===handlerType&&"mp4a"===stsdEntry.type){if(this._hasAudio)continue;this._hasAudio=!0,codec="mp4a",stsdEntry.esds&&stsdEntry.esds.mimeCodec&&(codec+=`.${stsdEntry.esds.mimeCodec}`),mime=`audio/mp4; codecs="${codec}"`}else continue;const samples=[];let sample=0,sampleInChunk=0,chunk=0,offsetInChunk=0,sampleToChunkIndex=0,dts=0;const decodingTimeEntry=new RunLengthIndex(stbl.stts.entries);let presentationOffsetEntry=null;stbl.ctts&&(presentationOffsetEntry=new RunLengthIndex(stbl.ctts.entries));for(let syncSampleIndex=0;;){var currChunkEntry=stbl.stsc.entries[sampleToChunkIndex];const size=stbl.stsz.entries[sample],duration=decodingTimeEntry.value.duration,presentationOffset=presentationOffsetEntry?presentationOffsetEntry.value.compositionOffset:0;let sync=!0;stbl.stss&&(sync=stbl.stss.entries[syncSampleIndex]===sample+1);const chunkOffsetTable=stbl.stco||stbl.co64;if(samples.push({size,duration,dts,presentationOffset,sync,offset:offsetInChunk+chunkOffsetTable.entries[chunk]}),sample++,sample>=stbl.stsz.entries.length)break;if(sampleInChunk++,offsetInChunk+=size,sampleInChunk>=currChunkEntry.samplesPerChunk){sampleInChunk=0,offsetInChunk=0,chunk++;const nextChunkEntry=stbl.stsc.entries[sampleToChunkIndex+1];nextChunkEntry&&chunk+1>=nextChunkEntry.firstChunk&&sampleToChunkIndex++}dts+=duration,decodingTimeEntry.inc(),presentationOffsetEntry&&presentationOffsetEntry.inc(),sync&&syncSampleIndex++}trak.mdia.mdhd.duration=0,trak.tkhd.duration=0;const defaultSampleDescriptionIndex=currChunkEntry.sampleDescriptionId,trackMoov={type:"moov",mvhd:moov.mvhd,traks:[{tkhd:trak.tkhd,mdia:{mdhd:trak.mdia.mdhd,hdlr:trak.mdia.hdlr,elng:trak.mdia.elng,minf:{vmhd:trak.mdia.minf.vmhd,smhd:trak.mdia.minf.smhd,dinf:trak.mdia.minf.dinf,stbl:{stsd:stbl.stsd,stts:empty(),ctts:empty(),stsc:empty(),stsz:empty(),stco:empty(),stss:empty()}}}}],mvex:{mehd:{fragmentDuration:moov.mvhd.duration},trexs:[{trackId:trak.tkhd.trackId,defaultSampleDescriptionIndex,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};this._tracks.push({fragmentSequence:1,trackId:trak.tkhd.trackId,timeScale:trak.mdia.mdhd.timeScale,samples,currSample:null,currTime:null,moov:trackMoov,mime})}if(0===this._tracks.length)return void this.emit("error",new Error("no playable tracks"));moov.mvhd.duration=0,this._ftyp={type:"ftyp",brand:"iso5",brandVersion:0,compatibleBrands:["iso5"]};const ftypBuf=Box.encode(this._ftyp),data=this._tracks.map(track=>{const moovBuf=Box.encode(track.moov);return{mime:track.mime,init:Buffer.concat([ftypBuf,moovBuf])}});this.emit("ready",data)}seek(time){if(!this._tracks)throw new Error("Not ready yet; wait for 'ready' event");this._fileStream&&(this._fileStream.destroy(),this._fileStream=null);let startOffset=-1;if(this._tracks.map((track,i)=>{track.outStream&&track.outStream.destroy(),track.inStream&&(track.inStream.destroy(),track.inStream=null);const outStream=track.outStream=mp4.encode(),fragment=this._generateFragment(i,time);if(!fragment)return outStream.finalize();(-1===startOffset||fragment.ranges[0].start<startOffset)&&(startOffset=fragment.ranges[0].start);const writeFragment=frag=>{outStream.destroyed||outStream.box(frag.moof,err=>{if(err)return this.emit("error",err);if(!outStream.destroyed){const slicedStream=track.inStream.slice(frag.ranges);slicedStream.pipe(outStream.mediaData(frag.length,err=>{if(err)return this.emit("error",err);if(!outStream.destroyed){const nextFrag=this._generateFragment(i);return nextFrag?void writeFragment(nextFrag):outStream.finalize()}}))}})};writeFragment(fragment)}),0<=startOffset){const fileStream=this._fileStream=this._file.createReadStream({start:startOffset});this._tracks.forEach(track=>{track.inStream=new RangeSliceStream(startOffset,{highWaterMark:1e7}),fileStream.pipe(track.inStream)})}return this._tracks.map(track=>track.outStream)}_findSampleBefore(trackInd,time){const track=this._tracks[trackInd],scaledTime=_Mathfloor(track.timeScale*time);let sample=bs(track.samples,scaledTime,(sample,t)=>{const pts=sample.dts+sample.presentationOffset;return pts-t});for(-1===sample?sample=0:0>sample&&(sample=-sample-2);!track.samples[sample].sync;)sample--;return sample}_generateFragment(track,time){const currTrack=this._tracks[track];let firstSample;if(firstSample=void 0===time?currTrack.currSample:this._findSampleBefore(track,time),firstSample>=currTrack.samples.length)return null;const startDts=currTrack.samples[firstSample].dts;let totalLen=0;const ranges=[];for(var currSample=firstSample;currSample<currTrack.samples.length;currSample++){const sample=currTrack.samples[currSample];if(sample.sync&&sample.dts-startDts>=currTrack.timeScale*1)break;totalLen+=sample.size;const currRange=ranges.length-1;0>currRange||ranges[currRange].end!==sample.offset?ranges.push({start:sample.offset,end:sample.offset+sample.size}):ranges[currRange].end+=sample.size}return currTrack.currSample=currSample,{moof:this._generateMoof(track,firstSample,currSample),ranges,length:totalLen}}_generateMoof(track,firstSample,lastSample){const currTrack=this._tracks[track],entries=[];let trunVersion=0;for(let j=firstSample;j<lastSample;j++){const currSample=currTrack.samples[j];0>currSample.presentationOffset&&(trunVersion=1),entries.push({sampleDuration:currSample.duration,sampleSize:currSample.size,sampleFlags:currSample.sync?33554432:16842752,sampleCompositionTimeOffset:currSample.presentationOffset})}const moof={type:"moof",mfhd:{sequenceNumber:currTrack.fragmentSequence++},trafs:[{tfhd:{flags:131072,trackId:currTrack.trackId},tfdt:{baseMediaDecodeTime:currTrack.samples[firstSample].dts},trun:{flags:3841,dataOffset:8,entries,version:trunVersion}}]};return moof.trafs[0].trun.dataOffset+=Box.encodingLength(moof),moof}}}).call(this)}).call(this,require("buffer").Buffer)},{"binary-search":30,buffer:75,events:122,"mp4-box-encoding":170,"mp4-stream":173,"range-slice-stream":211}],278:[function(require,module){function VideoStream(file,mediaElem,opts={}){return this instanceof VideoStream?void(this.detailedError=null,this._elem=mediaElem,this._elemWrapper=new MediaElementWrapper(mediaElem),this._waitingFired=!1,this._trackMeta=null,this._file=file,this._tracks=null,"none"!==this._elem.preload&&this._createMuxer(),this._onError=()=>{this.detailedError=this._elemWrapper.detailedError,this.destroy()},this._onWaiting=()=>{this._waitingFired=!0,this._muxer?this._tracks&&this._pump():this._createMuxer()},mediaElem.autoplay&&(mediaElem.preload="auto"),mediaElem.addEventListener("waiting",this._onWaiting),mediaElem.addEventListener("error",this._onError)):(console.warn("Don't invoke VideoStream without the 'new' keyword."),new VideoStream(file,mediaElem,opts))}const MediaElementWrapper=require("mediasource"),pump=require("pump"),MP4Remuxer=require("./mp4-remuxer");VideoStream.prototype={_createMuxer(){this._muxer=new MP4Remuxer(this._file),this._muxer.on("ready",data=>{this._tracks=data.map(trackData=>{const mediaSource=this._elemWrapper.createWriteStream(trackData.mime);mediaSource.on("error",err=>{this._elemWrapper.error(err)});const track={muxed:null,mediaSource,initFlushed:!1,onInitFlushed:null};return mediaSource.write(trackData.init,err=>{track.initFlushed=!0,track.onInitFlushed&&track.onInitFlushed(err)}),track}),(this._waitingFired||"auto"===this._elem.preload)&&this._pump()}),this._muxer.on("error",err=>{this._elemWrapper.error(err)})},_pump(){const muxed=this._muxer.seek(this._elem.currentTime,!this._tracks);this._tracks.forEach((track,i)=>{const pumpTrack=()=>{track.muxed&&(track.muxed.destroy(),track.mediaSource=this._elemWrapper.createWriteStream(track.mediaSource),track.mediaSource.on("error",err=>{this._elemWrapper.error(err)})),track.muxed=muxed[i],pump(track.muxed,track.mediaSource)};track.initFlushed?pumpTrack():track.onInitFlushed=err=>err?void this._elemWrapper.error(err):void pumpTrack()})},destroy(){this.destroyed||(this.destroyed=!0,this._elem.removeEventListener("waiting",this._onWaiting),this._elem.removeEventListener("error",this._onError),this._tracks&&this._tracks.forEach(track=>{track.muxed&&track.muxed.destroy()}),this._elem.src="")}},module.exports=VideoStream},{"./mp4-remuxer":277,mediasource:158,pump:200}],279:[function(require,module){function wrappy(fn,cb){function wrapper(){for(var args=Array(arguments.length),i=0;i<args.length;i++)args[i]=arguments[i];var ret=fn.apply(this,args),cb=args[args.length-1];return"function"==typeof ret&&ret!==cb&&Object.keys(cb).forEach(function(k){ret[k]=cb[k]}),ret}if(fn&&cb)return wrappy(fn)(cb);if("function"!=typeof fn)throw new TypeError("need wrapper function");return Object.keys(fn).forEach(function(k){wrapper[k]=fn[k]}),wrapper}module.exports=wrappy},{}],280:[function(require,module){module.exports=function(){for(var target={},i=0,source;i<arguments.length;i++)for(var key in source=arguments[i],source)hasOwnProperty.call(source,key)&&(target[key]=source[key]);return target};var hasOwnProperty=Object.prototype.hasOwnProperty},{}],281:[function(require,module){module.exports={version:"1.8.12"}},{}],282:[function(require,module){(function(Buffer){(function(){function isReadable(obj){return"object"==typeof obj&&null!=obj&&"function"==typeof obj.pipe}function isFileList(obj){return"undefined"!=typeof FileList&&obj instanceof FileList}/*! webtorrent. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const EventEmitter=require("events"),path=require("path"),concat=require("simple-concat"),createTorrent=require("create-torrent"),debugFactory=require("debug"),DHT=require("bittorrent-dht/client"),loadIPSet=require("load-ip-set"),parallel=require("run-parallel"),parseTorrent=require("parse-torrent"),Peer=require("simple-peer"),queueMicrotask=require("queue-microtask"),randombytes=require("randombytes"),sha1=require("simple-sha1"),speedometer=require("speedometer"),{ThrottleGroup}=require("speed-limiter"),ConnPool=require("./lib/conn-pool.js"),Torrent=require("./lib/torrent.js"),{version:VERSION}=require("./package.json"),debug=debugFactory("webtorrent"),VERSION_STR=VERSION.replace(/\d*./g,v=>`0${v%100}`.slice(-2)).slice(0,4);class WebTorrent extends EventEmitter{constructor(opts={}){super(),this.peerId="string"==typeof opts.peerId?opts.peerId:Buffer.isBuffer(opts.peerId)?opts.peerId.toString("hex"):Buffer.from(`-WW${VERSION_STR}-`+randombytes(9).toString("base64")).toString("hex"),this.peerIdBuffer=Buffer.from(this.peerId,"hex"),this.nodeId="string"==typeof opts.nodeId?opts.nodeId:Buffer.isBuffer(opts.nodeId)?opts.nodeId.toString("hex"):randombytes(20).toString("hex"),this.nodeIdBuffer=Buffer.from(this.nodeId,"hex"),this._debugId=this.peerId.toString("hex").substring(0,7),this.destroyed=!1,this.listening=!1,this.torrentPort=opts.torrentPort||0,this.dhtPort=opts.dhtPort||0,this.tracker=opts.tracker===void 0?{}:opts.tracker,this.lsd=!1!==opts.lsd,this.torrents=[],this.maxConns=+opts.maxConns||55,this.utp=WebTorrent.UTP_SUPPORT&&!1!==opts.utp,this._downloadLimit=_Mathmax("number"==typeof opts.downloadLimit?opts.downloadLimit:-1,-1),this._uploadLimit=_Mathmax("number"==typeof opts.uploadLimit?opts.uploadLimit:-1,-1),this.serviceWorker=null,this.workerKeepAliveInterval=null,this.workerPortCount=0,!0===opts.secure&&require("./lib/peer").enableSecure(),this._debug("new webtorrent (peerId %s, nodeId %s, port %s)",this.peerId,this.nodeId,this.torrentPort),this.throttleGroups={down:new ThrottleGroup({rate:_Mathmax(this._downloadLimit,0),enabled:0<=this._downloadLimit}),up:new ThrottleGroup({rate:_Mathmax(this._uploadLimit,0),enabled:0<=this._uploadLimit})},this.tracker&&("object"!=typeof this.tracker&&(this.tracker={}),globalThis.WRTC&&!this.tracker.wrtc&&(this.tracker.wrtc=globalThis.WRTC)),"function"==typeof ConnPool?this._connPool=new ConnPool(this):queueMicrotask(()=>{this._onListening()}),this._downloadSpeed=speedometer(),this._uploadSpeed=speedometer(),!1!==opts.dht&&"function"==typeof DHT?(this.dht=new DHT(Object.assign({},{nodeId:this.nodeId},opts.dht)),this.dht.once("error",err=>{this._destroy(err)}),this.dht.once("listening",()=>{const address=this.dht.address();address&&(this.dhtPort=address.port)}),this.dht.setMaxListeners(0),this.dht.listen(this.dhtPort)):this.dht=!1,this.enableWebSeeds=!1!==opts.webSeeds;const ready=()=>{this.destroyed||(this.ready=!0,this.emit("ready"))};"function"==typeof loadIPSet&&null!=opts.blocklist?loadIPSet(opts.blocklist,{headers:{"user-agent":`WebTorrent/${VERSION} (https://webtorrent.io)`}},(err,ipSet)=>err?console.error(`Failed to load blocklist: ${err.message}`):void(this.blocked=ipSet,ready())):queueMicrotask(ready)}loadWorker(controller,cb=()=>{}){if(!(controller instanceof ServiceWorker))throw new Error("Invalid worker registration");if("activated"!==controller.state)throw new Error("Worker isn't activated");this.serviceWorker=controller,navigator.serviceWorker.addEventListener("message",event=>{const{data}=event;if(!data.type||"webtorrent"===!data.type||!data.url)return null;let[infoHash,...filePath]=data.url.slice(data.url.indexOf(data.scope+"webtorrent/")+11+data.scope.length).split("/");if(filePath=decodeURI(filePath.join("/")),!infoHash||!filePath)return null;const[port]=event.ports,file=this.get(infoHash)&&this.get(infoHash).files.find(file=>file.path===filePath);if(!file)return null;const[response,stream,raw]=file._serve(data),asyncIterator=stream&&stream[Symbol.asyncIterator](),cleanup=()=>{port.onmessage=null,stream&&stream.destroy(),raw&&raw.destroy(),this.workerPortCount--,this.workerPortCount||(clearInterval(this.workerKeepAliveInterval),this.workerKeepAliveInterval=null)};port.onmessage=async msg=>{if(msg.data){let chunk;try{chunk=(await asyncIterator.next()).value}catch(e){}port.postMessage(chunk),chunk||cleanup(),this.workerKeepAliveInterval||(this.workerKeepAliveInterval=setInterval(()=>fetch(`${this.serviceWorker.scriptURL.slice(0,this.serviceWorker.scriptURL.lastIndexOf("/")+1).slice(window.location.origin.length)}webtorrent/keepalive/`),2e4))}else cleanup()},this.workerPortCount++,port.postMessage(response)}),cb(this.serviceWorker)}get downloadSpeed(){return this._downloadSpeed()}get uploadSpeed(){return this._uploadSpeed()}get progress(){const torrents=this.torrents.filter(torrent=>1!==torrent.progress),downloaded=torrents.reduce((total,torrent)=>total+torrent.downloaded,0),length=torrents.reduce((total,torrent)=>total+(torrent.length||0),0)||1;return downloaded/length}get ratio(){const uploaded=this.torrents.reduce((total,torrent)=>total+torrent.uploaded,0),received=this.torrents.reduce((total,torrent)=>total+torrent.received,0)||1;return uploaded/received}get(torrentId){if(!(torrentId instanceof Torrent)){let parsed;try{parsed=parseTorrent(torrentId)}catch(err){}if(!parsed)return null;if(!parsed.infoHash)throw new Error("Invalid torrent identifier");for(const torrent of this.torrents)if(torrent.infoHash===parsed.infoHash)return torrent}else if(this.torrents.includes(torrentId))return torrentId;return null}add(torrentId,opts={},ontorrent=()=>{}){function onClose(){torrent.removeListener("_infoHash",onInfoHash),torrent.removeListener("ready",onReady),torrent.removeListener("close",onClose)}if(this.destroyed)throw new Error("client is destroyed");"function"==typeof opts&&([opts,ontorrent]=[{},opts]);const onInfoHash=()=>{if(!this.destroyed)for(const t of this.torrents)if(t.infoHash===torrent.infoHash&&t!==torrent)return void torrent._destroy(new Error(`Cannot add duplicate torrent ${torrent.infoHash}`))},onReady=()=>{this.destroyed||(ontorrent(torrent),this.emit("torrent",torrent))};this._debug("add"),opts=opts?Object.assign({},opts):{};const torrent=new Torrent(torrentId,this,opts);return this.torrents.push(torrent),torrent.once("_infoHash",onInfoHash),torrent.once("ready",onReady),torrent.once("close",onClose),torrent}seed(input,opts,onseed){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof opts&&([opts,onseed]=[{},opts]),this._debug("seed"),opts=opts?Object.assign({},opts):{},opts.skipVerify=!0;const isFilePath="string"==typeof input;isFilePath&&(opts.path=path.dirname(input)),opts.createdBy||(opts.createdBy=`WebTorrent/${VERSION_STR}`);const _onseed=torrent=>{this._debug("on seed"),"function"==typeof onseed&&onseed(torrent),torrent.emit("seed"),this.emit("seed",torrent)},torrent=this.add(null,opts,torrent=>{const tasks=[cb=>isFilePath||opts.preloadedStore?cb():void torrent.load(streams,cb)];this.dht&&tasks.push(cb=>{torrent.once("dhtAnnounce",cb)}),parallel(tasks,err=>this.destroyed?void 0:err?torrent._destroy(err):void _onseed(torrent))});let streams;return isFileList(input)?input=Array.from(input):!Array.isArray(input)&&(input=[input]),parallel(input.map(item=>cb=>{!opts.preloadedStore&&isReadable(item)?concat(item,(err,buf)=>err?cb(err):void(buf.name=item.name,cb(null,buf))):cb(null,item)}),(err,input)=>this.destroyed?void 0:err?torrent._destroy(err):void createTorrent.parseInput(input,opts,(err,files)=>this.destroyed?void 0:err?torrent._destroy(err):void(streams=files.map(file=>file.getStream),createTorrent(input,opts,(err,torrentBuf)=>{if(!this.destroyed){if(err)return torrent._destroy(err);const existingTorrent=this.get(torrentBuf);existingTorrent?(console.warn("A torrent with the same id is already being seeded"),torrent._destroy(),"function"==typeof onseed&&onseed(existingTorrent)):torrent._onTorrentId(torrentBuf)}})))),torrent}remove(torrentId,opts,cb){if("function"==typeof opts)return this.remove(torrentId,null,opts);this._debug("remove");const torrent=this.get(torrentId);if(!torrent)throw new Error(`No torrent with id ${torrentId}`);this._remove(torrentId,opts,cb)}_remove(torrentId,opts,cb){if("function"==typeof opts)return this._remove(torrentId,null,opts);const torrent=this.get(torrentId);torrent&&(this.torrents.splice(this.torrents.indexOf(torrent),1),torrent.destroy(opts,cb),this.dht&&this.dht._tables.remove(torrent.infoHash))}address(){return this.listening?this._connPool?this._connPool.tcpServer.address():{address:"0.0.0.0",family:"IPv4",port:0}:null}throttleDownload(rate){return(rate=+rate,!(isNaN(rate)||!isFinite(rate)||-1>rate))&&(this._downloadLimit=rate,0>this._downloadLimit?this.throttleGroups.down.setEnabled(!1):void(this.throttleGroups.down.setEnabled(!0),this.throttleGroups.down.setRate(this._downloadLimit)))}throttleUpload(rate){return(rate=+rate,!(isNaN(rate)||!isFinite(rate)||-1>rate))&&(this._uploadLimit=rate,0>this._uploadLimit?this.throttleGroups.up.setEnabled(!1):void(this.throttleGroups.up.setEnabled(!0),this.throttleGroups.up.setRate(this._uploadLimit)))}destroy(cb){if(this.destroyed)throw new Error("client already destroyed");this._destroy(null,cb)}_destroy(err,cb){this._debug("client destroy"),this.destroyed=!0;const tasks=this.torrents.map(torrent=>cb=>{torrent.destroy(cb)});this._connPool&&tasks.push(cb=>{this._connPool.destroy(cb)}),this.dht&&tasks.push(cb=>{this.dht.destroy(cb)}),parallel(tasks,cb),err&&this.emit("error",err),this.torrents=[],this._connPool=null,this.dht=null,this.throttleGroups.down.destroy(),this.throttleGroups.up.destroy()}_onListening(){if(this._debug("listening"),this.listening=!0,this._connPool){const address=this._connPool.tcpServer.address();address&&(this.torrentPort=address.port)}this.emit("listening")}_debug(){const args=[].slice.call(arguments);args[0]=`[${this._debugId}] ${args[0]}`,debug(...args)}_getByHash(infoHashHash){for(const torrent of this.torrents)if(torrent.infoHashHash||(torrent.infoHashHash=sha1.sync(Buffer.from("72657132"+torrent.infoHash,"hex"))),infoHashHash===torrent.infoHashHash)return torrent;return null}}WebTorrent.WEBRTC_SUPPORT=Peer.WEBRTC_SUPPORT,WebTorrent.UTP_SUPPORT=ConnPool.UTP_SUPPORT,WebTorrent.VERSION=VERSION,module.exports=WebTorrent}).call(this)}).call(this,require("buffer").Buffer)},{"./lib/conn-pool.js":41,"./lib/peer":3,"./lib/torrent.js":5,"./package.json":281,"bittorrent-dht/client":41,buffer:75,"create-torrent":88,debug:90,events:122,"load-ip-set":41,"parse-torrent":183,path:184,"queue-microtask":205,randombytes:208,"run-parallel":232,"simple-concat":244,"simple-peer":246,"simple-sha1":247,"speed-limiter":250,speedometer:254}]},{},[282])(282)}); |