YouTube cors proxy

youtube-cors-proxy.js

var express = require('express');
var request = require('request');

var app = express();

app.use(function(req, res, next) {
  res.header("Access-Control-Allow-Origin", "*");
  res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
  next();
});

app.use('/kobe.mp4', function(req, res) {
  var url = "https://r4---sn-n4v7sn7s.googlevideo.com/videoplayback?sparams=dur%2Cgcr%2Cid%2Cinitcwndbps%2Cip%2Cipbits%2Citag%2Clmt%2Cmime%2Cmm%2Cmn%2Cms%2Cmv%2Cnh%2Cpl%2Cratebypass%2Crequiressl%2Csource%2Cupn%2Cexpire&sver=3&upn=asB-cjfQPAY&itag=18&mime=video%2Fmp4&key=yt6&nh=IgpwcjAxLnNqYzA3KgkxMjcuMC4wLjE&gcr=us&ip=2604%3A5500%3A15%3A4f6%3Ae081%3Ae283%3Aa96d%3A9ba8&initcwndbps=6331250&requiressl=yes&lmt=1464113728843795&dur=212.091&ratebypass=yes&expire=1465365143&mt=1465343195&mm=31&mn=sn-n4v7sn7s&id=o-AG3M4tq7ndDE4zqNFUOTE2L-NLShujlou0TSO7HTkXxZ&source=youtube&fexp=9405264%2C9413141%2C9416126%2C9416312%2C9416891%2C9422596%2C9423965%2C9424417%2C9427769%2C9428398%2C9431012%2C9432060%2C9432683%2C9433096%2C9433380%2C9433726%2C9433946%2C9433998%2C9434066%2C9434804%2C9435277%2C9435526%2C9435876%2C9435916%2C9437066%2C9437164%2C9437285%2C9437553%2C9437682%2C9437982%2C9438156%2C9438660&ipbits=0&mv=m&pl=42&ms=au&signature=461B2F540702DFAF0B7A572F57F3F933EA58B75A.BFEE9BC934924F84FA337E72AE6F5E0F3333CD76";
  req.pipe(request(url)).pipe(res);
});

app.listen(process.env.PORT || 3000);