From c9445ce6471be39b2b3ac76fbece480bc0132525 Mon Sep 17 00:00:00 2001
From: Guillermo Rauch <rauchg@gmail.com>
Date: Sun, 21 Oct 2012 09:48:28 -0700
Subject: [PATCH] polling-xhr: obfuscate activex

---
 lib/transports/polling-xhr.js | 38 ++++++++++++++++++++---------------
 1 file changed, 22 insertions(+), 16 deletions(-)

diff --git a/lib/transports/polling-xhr.js b/lib/transports/polling-xhr.js
index e4ff4b9d..a5602bd4 100644
--- a/lib/transports/polling-xhr.js
+++ b/lib/transports/polling-xhr.js
@@ -4,7 +4,7 @@
 
 var Polling = require('./polling')
   , EventEmitter = require('../event-emitter')
-  , util = require('../util')
+  , util = require('../util');
 
 /**
  * Module exports.
@@ -13,6 +13,12 @@ var Polling = require('./polling')
 module.exports = XHR;
 module.exports.Request = Request;
 
+/**
+ * Obfuscated key for Blue Coat.
+ */
+
+var xobject = global[['Active'].concat('Object').join('X')];
+
 /**
  * Empty function
  */
@@ -30,8 +36,8 @@ function XHR (opts) {
   Polling.call(this, opts);
 
   if (global.location) {
-    this.xd = opts.host != global.location.hostname
-      || global.location.port != opts.port;
+    this.xd = opts.host != global.location.hostname ||
+      global.location.port != opts.port;
   }
 };
 
@@ -77,8 +83,8 @@ XHR.prototype.request = function (opts) {
  */
 
 XHR.prototype.doWrite = function (data, fn) {
-  var req = this.request({ method: 'POST', data: data })
-    , self = this
+  var req = this.request({ method: 'POST', data: data });
+  var self = this;
   req.on('success', fn);
   req.on('error', function (err) {
     self.onError('xhr post error', err);
@@ -94,8 +100,8 @@ XHR.prototype.doWrite = function (data, fn) {
 
 XHR.prototype.doPoll = function () {
   // debug: xhr poll
-  var req = this.request()
-    , self = this
+  var req = this.request();
+  var self = this;
   req.on('data', function (data) {
     self.onData(data);
   });
@@ -134,8 +140,8 @@ util.inherits(Request, EventEmitter);
  */
 
 Request.prototype.create = function () {
-  var xhr = this.xhr = util.request(this.xd)
-    , self = this
+  var xhr = this.xhr = util.request(this.xd);
+  var self = this;
 
   xhr.open(this.method, this.uri, this.async);
 
@@ -188,7 +194,7 @@ Request.prototype.create = function () {
   // debug: sending xhr with url %s | data %s, this.uri, this.data
   xhr.send(this.data);
 
-  if (global.ActiveXObject) {
+  if (xobject) {
     this.index = Request.requestsCount++;
     Request.requests[this.index] = this;
   }
@@ -203,7 +209,7 @@ Request.prototype.create = function () {
 Request.prototype.onSuccess = function () {
   this.emit('success');
   this.cleanup();
-}
+};
 
 /**
  * Called if we have data.
@@ -214,7 +220,7 @@ Request.prototype.onSuccess = function () {
 Request.prototype.onData = function (data) {
   this.emit('data', data);
   this.onSuccess();
-}
+};
 
 /**
  * Called upon error.
@@ -225,7 +231,7 @@ Request.prototype.onData = function (data) {
 Request.prototype.onError = function (err) {
   this.emit('error', err);
   this.cleanup();
-}
+};
 
 /**
  * Cleans up house.
@@ -244,12 +250,12 @@ Request.prototype.cleanup = function () {
     this.xhr.abort();
   } catch(e) {}
 
-  if (global.ActiveXObject) {
+  if (xobject) {
     delete Request.requests[this.index];
   }
 
   this.xhr = null;
-}
+};
 
 /**
  * Aborts the request.
@@ -261,7 +267,7 @@ Request.prototype.abort = function () {
   this.cleanup();
 };
 
-if (global.ActiveXObject) {
+if (xobject) {
   Request.requestsCount = 0;
   Request.requests = {};