httpsにhttpproxyでつなぎに行く

gistfile1.txt

var https = require('https');
var tunnel = require('tunnel');

var tunnelAg = tunnel.httpsOverHttp({
    proxy: {
        host: 'localhost',
        port: 8080
    }
});
var options = {
    host: 'www.google.co.jp',
    port: 443,
    auth: "username:password",
    path: '/',
    agent: tunnelAg
};
https.get(options, function (res) {
    res.on('data', function (chunk) {
        console.log(chunk.toString());
    })
});