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Ajax Intercepter
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<html> | |
<body> | |
<script> | |
var xml_type; | |
// branch for native XMLHttpRequest object | |
if(window.XMLHttpRequest && !(window.ActiveXObject)) { | |
xml_type = 'XMLHttpRequest'; | |
// branch for IE/Windows ActiveX version | |
} else if(window.ActiveXObject) { | |
try { | |
a = new ActiveXObject('Msxml2.XMLHTTP'); | |
xml_type = 'Msxml2.XMLHTTP'; | |
} catch(e) { | |
a = new ActiveXObject('Microsoft.XMLHTTP'); | |
xml_type = 'Microsoft.XMLHTTP'; | |
} | |
} | |
var ActualActiveXObject = window.ActiveXObject; | |
var ActiveXObject; | |
if (xml_type == 'XMLHttpRequest') { | |
(function(open) { | |
XMLHttpRequest.prototype.open = function(method, url, async, user, pass) { | |
alert('Intercept'); | |
open.call(this, method, url+".ua", async, user, pass); | |
}; | |
})(XMLHttpRequest.prototype.open); | |
} else { | |
ActiveXObject = function(progid) { | |
var ax = new ActualActiveXObject(progid); | |
if (progid.toLowerCase() == "microsoft.xmlhttp") { | |
var o = { | |
_ax: ax, | |
_status: "fake", | |
responseText: "", | |
responseXml: null, | |
readyState: 0, | |
dataType: 'plain', | |
status: 0, | |
statusText: 0, | |
onReadyStateChange: null, | |
onreadystatechange: null | |
}; | |
o._onReadyStateChange = function() { | |
var self = o; | |
return function() { | |
self.readyState = self._ax.readyState; | |
if (self.readyState == 4) { | |
self.responseText = self._ax.responseText; | |
self.responseXml = self._ax.responseXml; | |
self.status = self._ax.status; | |
self.statusText = self._ax.statusText; | |
} | |
if (self.onReadyStateChange) { | |
self.onReadyStateChange(); | |
} | |
if (self.onreadystatechange) { | |
self.onreadystatechange(); | |
} | |
} | |
}(); | |
o.open = function(bstrMethod, bstrUrl, varAsync, bstrUser, bstrPassword) { | |
this._ax.onReadyStateChange = this._onReadyStateChange; | |
this._ax.onreadystatechange = this._onReadyStateChange; | |
alert('Intercept'); | |
return this._ax.open(bstrMethod, bstrUrl, varAsync, bstrUser, bstrPassword); | |
}; | |
o.send = function(varBody) { | |
return this._ax.send(varBody); | |
}; | |
o.abort = function() { | |
return this._ax.abort(); | |
} | |
o.setRequestHeader = function(k,v) { | |
return this._ax.setRequestHeader(k,v) | |
} | |
o.setrequestheader = function(k,v) { | |
return this._ax.setRequestHeader(k,v) | |
} | |
o.getResponseHeader = function(k) { | |
return this._ax.getResponseHeader(k) | |
} | |
o.getresponseheader = function(k) { | |
return this._ax.getResponseHeader(k) | |
} | |
} else if (progid.toLowerCase() == "msxml2.xmlhttp") { | |
var o = { | |
_ax: ax, | |
_status: "fake", | |
responseText: "", | |
responseXml: null, | |
readyState: 0, | |
dataType: 'plain', | |
status: 0, | |
statusText: 0, | |
onReadyStateChange: null, | |
onreadystatechange: null | |
}; | |
o._onReadyStateChange = function() { | |
var self = o; | |
return function() { | |
self.readyState = self._ax.readyState; | |
if (self.readyState == 4) { | |
self.responseText = self._ax.responseText; | |
self.responseXml = self._ax.responseXml; | |
self.status = self._ax.status; | |
self.statusText = self._ax.statusText; | |
} | |
if (self.onReadyStateChange) { | |
self.onReadyStateChange(); | |
} | |
if (self.onreadystatechange) { | |
self.onreadystatechange(); | |
} | |
} | |
}(); | |
o.open = function(bstrMethod, bstrUrl, varAsync, bstrUser, bstrPassword) { | |
this._ax.onReadyStateChange = this._onReadyStateChange; | |
this._ax.onreadystatechange = this._onReadyStateChange; | |
alert('Intercept'); | |
return this._ax.open(bstrMethod, bstrUrl, varAsync, bstrUser, bstrPassword); | |
}; | |
o.send = function(varBody) { | |
return this._ax.send(varBody); | |
}; | |
o.abort = function() { | |
return this._ax.abort(); | |
} | |
o.setRequestHeader = function(k,v) { | |
return this._ax.setRequestHeader(k,v) | |
} | |
o.setrequestheader = function(k,v) { | |
return this._ax.setRequestHeader(k,v) | |
} | |
o.getResponseHeader = function(k) { | |
return this._ax.getResponseHeader(k) | |
} | |
o.getresponseheader = function(k) { | |
return this._ax.getResponseHeader(k) | |
} | |
} else { | |
var o = ax; | |
} | |
return o; | |
} | |
} | |
</script> | |
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.js"></script> | |
<script> | |
$.get('http://localhost', function(data) { | |
alert('Load was performed.'); | |
}); | |
</script> | |
</body> | |
</html> |
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