gistfile1.txt

var http = require('http'),
    httpProxy = require('http-proxy'),
    path = require("path"),
    fs = require("fs"),
    crypto = require("crypto");

//
// generic function to load the credentials context from disk
//
function getCredentialsContext (cer) {
  return crypto.createCredentials({
    key:  fs.readFileSync(path.join(__dirname, 'certs', cer + '.key')),
    cert: fs.readFileSync(path.join(__dirname, 'certs', cer + '.crt'))
  }).context;
}

//
// A certificate per domain hash
//
var certs = {
  "testone.com":  getCredentialsContext("testone.com"),
  "testtwo.com": getCredentialsContext("testtwo.com")
};

//
// Proxy options
//
var options = {
  https: {
    SNICallback: function(hostname){
      return certs[hostname];
    }
  },
  hostnameOnly: true,
  router: {
    'testone.com':  '127.0.0.1:8001',
    'testtwo.com': '127.0.0.1:8002'
  }
};

//
// Create a standalone HTTPS proxy server
//
httpProxy.createServer(options).listen(443);

//
// Create the target HTTPS servers
//
http.createServer(function (req, res) {
  res.writeHead(200, { 'Content-Type': 'text/plain' });
  res.write('hello https\n');
  res.end();
}).listen(8001);

http.createServer(function (req, res) {
  res.writeHead(200, { 'Content-Type': 'text/plain' });
  res.write('hello https 2\n');
  res.end();
}).listen(8002);