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87 lines
3.3 KiB
87 lines
3.3 KiB
import paypal from '@paypal/checkout-server-sdk';
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import assert from "assert";
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import { paypal_private } from "../lib/config.js";
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import { Product, Payment } from "../lib/models.js";
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import { product_id } from "../client/config.js";
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import logging from "../lib/logging.js";
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import { developer_admin } from "../lib/api.js";
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const log = logging.create("queue/paypal.js");
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const create_paypal = () => {
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if(developer_admin) {
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log.warn("Running in DANGER_ADMIN mode so using the Sandbox for Paypal.");
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const environment = new paypal.core.SandboxEnvironment(paypal_private.client_id, paypal_private.secret);
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const client = new paypal.core.PayPalHttpClient(environment);
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return [environment, client];
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} else {
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const environment = new paypal.core.LiveEnvironment(paypal_private.client_id, paypal_private.secret);
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const client = new paypal.core.PayPalHttpClient(environment);
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return [environment, client];
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}
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}
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const [environment, client] = create_paypal();
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const order_is_valid = (course, response, payment) => {
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let order = response.result.purchase_units[0];
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assert(course.id, "Product is invalid in order_is_valid check.");
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assert(payment.id, "Payment is invalid in order_is_valid check.");
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if(!order) {
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log.error(`Invalid response payment ${payment.id}, no order in the purchase_units.`);
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return [false, "invalid_purchase_units"];
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} else if(parseInt(order.amount.value, 10) !== course.price) {
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// BUG: this will fail if you use a float for the price
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log.error(`Wrong price ${order.amount.value}`);
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return [false, "invalid_order_amount"];
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} else if(order.payments.captures.length < 1) {
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log.error("Not enough captures, only 0.");
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return [false, "invalid_capture_count"];
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} else if(order.payments.captures[0].status !== "COMPLETED") {
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log.error(`Capture not completed: ${order.payments.captures.status}`);
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return [false, "capture_not_completed"];
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} else if(parseInt(order.payments.captures[0].amount.value, 10) !== course.price) {
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console.error(`Capture amount ${order.payments.captures[0].amount.value} doesn't match course price ${course.price}`);
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return [false, "capture_price_mismatch"];
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} else {
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return [true, "validated"];
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}
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}
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export const validate_order = async (job) => {
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try {
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assert(job.data.payment_id, `Invalid order ID: ${JSON.stringify(job)}`);
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const course = await Product.first({id: product_id});
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assert(course, `No course for ID ${ product_id } from client/config.js:product_id`);
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const payment = await Payment.first({id: job.data.payment_id});
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assert(payment, `No payment for ID ${ job.payment_id }`);
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let request = new paypal.orders.OrdersGetRequest(payment.sys_primary_id);
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// Call API with your client and get a response for your call
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let response = await client.execute(request);
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log.debug(`Validating Paypal ID ${response.result.id}`);
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const [valid, status_reason] = order_is_valid(course, response, payment);
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if(valid) {
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log.info(`Order for payment ${payment.id} is validated.`);
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await Payment.update({id: payment.id}, {status: "complete", status_reason});
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} else {
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log.error(`Invalid Order for payment ${payment.id}.`);
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await Payment.update({id: payment.id}, {status: "failed", status_reason});
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}
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} catch(error) {
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log.error(error, `Processing payment paypal varification for ${job.data.payment_id}`);
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}
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}
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