From 8d7ae450e1bcbfe9f033e72c59f888304b9b46a1 Mon Sep 17 00:00:00 2001
From: "Zed A. Shaw" <zed.shaw@gmail.com>
Date: Mon, 19 Jun 2023 20:23:55 -0400
Subject: [PATCH] Add a simple little tool to notify search engines of changed
 pages with indexnow.

---
 commands/indexnow.js | 71 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 commands/indexnow.js

diff --git a/commands/indexnow.js b/commands/indexnow.js
new file mode 100644
index 0000000..6e3e368
--- /dev/null
+++ b/commands/indexnow.js
@@ -0,0 +1,71 @@
+// you may not need all of these but they come up a lot
+import fs from "fs";
+import logging from '../lib/logging.js';
+import { og_base_host } from "../client/config.js";
+import axios from "axios";
+import crypto from "crypto";
+import { glob, write } from "../lib/builderator.js";
+
+const log = logging.create(import.meta.url);
+
+const KEY_SIZE = 32;
+const DEFAULT_ENGINE = "https://yandex.com";
+
+export const description = "Uses IndexNow.org to submit your site for reindex.  You'll need to configure your IndexNow.org account before doing this."
+
+// your command uses the npm package commander's options format
+export const options = [
+  ["--gen-key", "If you don't have a key this will generate one."],
+  ["--key-size <size>", "Key size to use with --gen-key", KEY_SIZE],
+  ["--key <string>", "key to use"],
+  ["--url <string>", "URL to submit", og_base_host],
+  ["--key-path <path>", "Path to where the [key].txt should be stored. Command will ensure it's there or create it if not."],
+  ["--search-engine <string>", "Company to notify, they're required to tell others.", DEFAULT_ENGINE],
+]
+
+const random_hex = (size) => {
+  return crypto.randomBytes(size).toString("hex");
+}
+
+// handy function for checking things are good and aborting
+const check = (test, fail_message) => {
+  if(!test) {
+    log.error(fail_message);
+    process.exit(1);
+  }
+}
+
+export const main = async (opts) => {
+  if(opts.genKey) {
+    console.log(random_hex(parseInt(opts.keySize, 10)));
+  } else {
+    check(opts.key, "--key is required.");
+    check(opts.url, "--url is required.");
+
+    const keyfile = `${opts.keyPath}/${opts.key}.txt`;
+
+    // confirm the key file is in the right place
+    if(opts.keyPath && !fs.existsSync(keyfile)) {
+      console.log("WRITING KEY FILE", keyfile);
+      write(keyfile, opts.key);
+    }
+
+    const in_url = `${opts.searchEngine}/indexnow`;
+
+    const request = {
+      method: 'get', url: in_url,
+      data: { url: opts.url, key: opts.key}
+    };
+
+    try {
+      const result = await axios(request);
+
+      console.log("STATUS", result.status, "TEXT", result.statusText);
+    } catch(error) {
+      console.error(error.message, "REQUEST", request);
+      process.exit(1);
+    }
+  }
+
+  process.exit(0);
+}