Simple HTTP Proxy Server with Node.js

proxy-server.js

const http = require('http');
const url = require('url');

http.createServer(onRequest).listen(3000);

function onRequest (req, res) {
    console.log('serving: ' + req.url);

    const u = url.parse(req.url);

    const options = {
        hostname: u.hostname,
        port: 80,
        path: u.path,
        method: 'GET'
    };

    var proxy = http.request(options, function (proxy_res) {
        proxy_res.pipe(res, {
            end: true
        });
    });

    req.pipe(proxy, {
        end: true
    });
}