Proxy combining local and external web services.

NodeCombiningWebProxy

var express = require('express'),
 app = express(),
 http = require('http'),
 httpProxy = require('http-proxy');

//Express config
//app.set('view engine', 'ejs');
//app.set('views', __dirname + '/views');
app.use(express.cookieParser());
app.use(express.methodOverride());
app.use(express.static(__dirname + '/../app/'));

// Express static binding
app.get('/', function(req, res){
  res.redirect('index.html');
});

//Mockup some data
//app.get('/entry.asmx', function(req, res){
  //res.json(200, {});
//});
//app.post('/entry.asmx', function(req, res){
  //res.json(200, {});
//});

app.listen(3502);

//Proxy logic
var proxy = new httpProxy.RoutingProxy();
http.createServer(function (req, res) {
  
  if (req.url.indexOf('asmx') != -1) {
    console.log(" forwarded to: roxy (" +req.url+ ")");
    //To avoid proxy authentication
    req.headers['origin'] = req.headers['host'] = 'your.external.host';
    proxy.proxyRequest(req, res, {
      host: 'your.external.host',
      port: 80
    });
  } else {
    console.log(" forwarded to: localhost (" +req.url+ ")");
    proxy.proxyRequest(req, res, {
      host: 'localhost',
      port: 3502
    });
  }

}).listen(8001);
console.log('Proxy is running on localhost:8001');