142 lines
3.5 KiB
JavaScript
142 lines
3.5 KiB
JavaScript
const express = require("express");
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const fetch = require("node-fetch");
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const { URL } = require("url");
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// Array of hostnames that will be proxied
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const URL_WHITELIST = [
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"i.ytimg.com",
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"yt3.googleusercontent.com",
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"cdn.glitch.global",
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"cdn.statically.io",
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"site-assets.fontawesome.com",
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"fonts.gstatic.com",
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"yt3.ggpht.com",
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"tube.kuylar.dev",
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"lh3.googleusercontent.com",
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"is4-ssl.mzstatic.com",
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"is2-ssl.mzstatic.com",
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"is1-ssl.mzstatic.com",
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"fonts.bunny.net",
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"demo.matomo.org",
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"is5-ssl.mzstatic.com",
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"is3-ssl.mzstatic.com",
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"twemoji.maxcdn.com",
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"unpkg.com",
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"youtube.com",
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"returnyoutubedislikeapi.com",
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"cdn.zptr.cc",
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"inv.vern.cc",
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"invidious.privacydev.net",
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"inv.zzls.xyz",
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"vid.puffyan.us",
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"invidious.lidarshield.cloud",
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"invidious.epicsite.xyz",
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"invidious.esmailelbob.xyz",
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];
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const app = express();
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app.use(express.json()); // for parsing application/json
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app.use(express.urlencoded({ extended: true })); // for parsing application/x-www-form-urlencoded
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app.use(function (req, res, next) {
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console.log(`=> ${req.method} ${req.originalUrl.slice(1)}`);
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next();
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});
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app.use(function (req, res, next) {
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res.header("Access-Control-Allow-Origin", "*");
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res.setHeader("Cache-Control", "public, max-age=1848"); // cache header
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res.setHeader("poketube-cacher", "PROXY_FILES");
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next();
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});
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/**
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* @param {express.Request} req
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* @param {express.Response} res
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*/
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const proxy = async (req, res) => {
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try {
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let url;
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try {
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url = new URL("https://" + req.originalUrl.slice(10));
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} catch (e) {
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console.log("==> Cannot parse URL: " + e);
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return res.status(400).send("Malformed URL");
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}
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if (!URL_WHITELIST.includes(url.host)) {
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console.log(`==> Refusing to proxy host ${url.host}`);
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res.status(401).send(`Hostname '${url.host}' is not permitted`);
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return;
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}
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console.log(`==> Proxying request`);
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let f = await fetch(url + `?cachefixer=${btoa(Date.now())}`, {
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method: req.method,
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});
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f.body.pipe(res);
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} catch (e) {
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console.log(`==> Error: ${e}`);
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res.status(500).send("Internal server error");
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}
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};
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const listener = (req, res) => {
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proxy(req, res);
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};
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app.get("/", (req, res) => {
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var json = {
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status: "200",
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version: "1.0.0",
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URL_WHITELIST,
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cache: "max-age-1848",
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};
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res.json(json);
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});
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const apiUrl = "https://returnyoutubedislikeapi.com/votes?videoId=";
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// Define a cache object
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const cache = {};
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app.get("/api", async (req, res) => {
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if (req.query.hash && req.query.hash === "d0550b6e28c8f93533a569c314d5b4e2") {
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try {
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const cacheKey = req.query.v;
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// Check if the result is already cached
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if (cache[cacheKey] && Date.now() - cache[cacheKey].timestamp < 3600000) {
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// If the cached result is less than 1 hour old, return it
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const cachedData = cache[cacheKey].data;
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const cachedDate = new Date(cache[cacheKey].timestamp);
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return res.json({ data: cachedData, cachedDate });
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}
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// If the result is not cached or is older than 1 hour, fetch it from the API
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const engagement = await fetch(apiUrl + req.query.v).then((res) =>
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res.json()
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);
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// Cache the result for future requests
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cache[cacheKey] = {
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data: engagement,
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timestamp: Date.now(),
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};
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res.json({ data: engagement, cachedDate: new Date() });
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} catch {}
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} else {
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return res.send("no hash query found");
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}
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});
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app.all("/*", listener);
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app.listen(3000, () => console.log("Listening on 0.0.0.0:3000"));
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