[fix test api] Only change Origin headers in WebSocket requests when the...

[fix test api] Only change Origin headers in WebSocket requests when the `changeOrigin` option is set explicitly. Added tests to ensure Origin and sec-websocket-origin headers match when proxying websockets.

lib/node-http-proxy.js

@@ -223,6 +223,7 @@ var HttpProxy = exports.HttpProxy = function (options) {
   options           = options || {};
   this.forward      = options.forward;
   this.https        = options.https;
+  this.changeOrigin = options.changeOrigin || false;
   
   if (options.router) {
     this.proxyTable = new ProxyTable(options.router, options.silent, options.hostnameOnly);
@@ -523,8 +524,13 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, options
     socket.setTimeout(0);
     socket.setNoDelay(true);
     if (keepAlive) {
+      if (socket.setKeepAlive) {
         socket.setKeepAlive(true, 0);
       }
+      else if (socket.pair.cleartext.socket.setKeepAlive) {
+        socket.pair.cleartext.socket.setKeepAlive(true, 0);
+      }
+    } 
     else {
       socket.setEncoding('utf8');
     }
@@ -589,12 +595,14 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, options
   
   // Remote host address
   var protocolName = options.https || this.https ? 'https' : 'http',
-      agent        = _getAgent(options.host, options.port),
+      agent        = _getAgent(options.host, options.port, options.https || this.https),
       remoteHost   = options.host + (options.port - 80 === 0 ? '' : ':' + options.port);
 
   // Change headers
+  if (this.changeOrigin) {
     req.headers.host   = remoteHost;
-  req.headers.origin = protocolName + '://' + options.host;
+    req.headers.origin = protocolName + '://' + remoteHost;
+  }
   
   outgoing = {
     host: options.host,

test/web-socket-proxy-test.js

@@ -47,7 +47,6 @@ var protocol = argv.https ? 'https' : 'http',
     wsprotocol = argv.https ? 'wss' : 'ws',
     runner = new helpers.TestRunner(protocol);
 
-require('eyes').inspect(protocol);
 vows.describe('node-http-proxy/websocket').addBatch({
   "When using server created by httpProxy.createServer()": {
     "with no latency" : {
@@ -69,8 +68,8 @@ vows.describe('node-http-proxy/websocket').addBatch({
               //
               // Setup the web socket against our proxy
               //
-              var ws = new websocket.WebSocket(wsprotocol + '://localhost:8131/socket.io/websocket/', 'borf', {
-                origin: 'https://localhost'
+              var ws = new websocket.WebSocket(wsprotocol + '://home.devjitsu.com:8131/socket.io/websocket/', 'borf', {
+                origin: protocol + '://home.devjitsu.com'
               });
               
               ws.on('wsupgrade', function (req, res) {
@@ -86,7 +85,9 @@ vows.describe('node-http-proxy/websocket').addBatch({
         },
         "the target server should receive the message": function (err, msg, headers) {
           assert.equal(msg, 'from client');
-          require('eyes').inspect(headers);
+        },
+        "the origin and sec-websocket-origin headers should match": function (err, msg, headers) {
+          assert.equal(headers.request.Origin, headers.response['sec-websocket-origin']);
         }
       },
       "when an outbound message is sent from the target server": {
@@ -105,8 +106,8 @@ vows.describe('node-http-proxy/websocket').addBatch({
               //
               // Setup the web socket against our proxy
               //
-              var ws = new websocket.WebSocket(wsprotocol + '://localhost:8133/socket.io/websocket/', 'borf', {
-                origin: 'https://localhost'
+              var ws = new websocket.WebSocket(wsprotocol + '://home.devjitsu.com:8133/socket.io/websocket/', 'borf', {
+                origin: protocol + '://home.devjitsu.com'
               });
               
               ws.on('wsupgrade', function (req, res) {
@@ -125,7 +126,9 @@ vows.describe('node-http-proxy/websocket').addBatch({
         },
         "the client should receive the message": function (err, msg, headers) {
           assert.equal(msg, 'from server');
-          require('eyes').inspect(headers);
+        },
+        "the origin and sec-websocket-origin headers should match": function (err, msg, headers) {
+          assert.equal(headers.request.Origin, headers.response['sec-websocket-origin']);
         }
       }
     }

vendor/websocket.js

@@ -494,7 +494,6 @@ var WebSocket = function(url, proto, opts) {
         //      string as its first argument to connect to a UNIX socket.
         var protocol, agent, port, u = urllib.parse(url);
         if (u.protocol === 'ws:' || u.protocol === 'wss:') {
-          require('eyes').inspect(u);
             protocol = u.protocol === 'ws:' ? http : https;
             port = u.protocol === 'ws:' ? 80 : 443;
             agent = u.protocol === 'ws:' ? protocol.getAgent(u.hostname, u.port || port) : protocol.getAgent({
@@ -614,17 +613,14 @@ var WebSocket = function(url, proto, opts) {
             errorListener(e);
         });
 
-        
-        var x = {
+        var httpReq = protocol.request({
           host: u.hostname,
           method: 'GET',
           agent: agent,
           port: u.port,
           path: httpPath, 
           headers: httpHeaders
-        };
-        require('eyes').inspect(x);
-        var httpReq = protocol.request(x);
+        });
         
         httpReq.write(challenge, 'binary');
         httpReq.end();