Nulo/webrtc-ips
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bypass createElement overrides

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Daniel Roesler 2015-02-27 14:45:47 -08:00
parent 7123a0545d
commit 108160ef73
2 changed files with 38 additions and 35 deletions
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36
README.md
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@ -25,25 +25,27 @@ function getIPs(callback){
//bypass naive webrtc blocking //bypass naive webrtc blocking
if(!RTCPeerConnection){ if(!RTCPeerConnection){
//create an iframe node //create an iframe node that doesn't allow plugins
var iframe = document.createElement('iframe'); var iframe = document.createElement("iframe");
iframe.style.display = 'none'; iframe.style.display = 'none';
iframe.sandbox = 'allow-same-origin allow-scripts';
//invalidate content script
iframe.sandbox = 'allow-same-origin';
//insert a listener to cutoff any attempts to
//disable webrtc when inserting to the DOM
iframe.addEventListener("DOMNodeInserted", function(e){
e.stopPropagation();
}, false);
iframe.addEventListener("DOMNodeInsertedIntoDocument", function(e){
e.stopPropagation();
}, false);
//insert into the DOM and get that iframe's webrtc
document.body.appendChild(iframe); document.body.appendChild(iframe);
var win = iframe.contentWindow;
//create a nested iframe that doesn't allow javascript
var iframe2 = iframe.contentDocument.createElement("iframe");
iframe2.sandbox = 'allow-same-origin';
//add a listener to cutoff any attempts to disable webrtc when inserting to the DOM
iframe2.addEventListener("DOMNodeInserted", function(e){
e.stopPropagation();
}, false);
iframe2.addEventListener("DOMNodeInsertedIntoDocument", function(e){
e.stopPropagation();
}, false);
//get the RTCPeerConnection connection from the nested iframe
iframe.contentDocument.body.appendChild(iframe2);
var win = iframe2.contentWindow;
RTCPeerConnection = win.RTCPeerConnection RTCPeerConnection = win.RTCPeerConnection
|| win.mozRTCPeerConnection || win.mozRTCPeerConnection
|| win.webkitRTCPeerConnection; || win.webkitRTCPeerConnection;

37
index.html
View file

@ -32,26 +32,27 @@
//bypass naive webrtc blocking //bypass naive webrtc blocking
if(!RTCPeerConnection){ if(!RTCPeerConnection){
//create an iframe node //create an iframe node that doesn't allow plugins
var iframe = document.createElement('iframe'); var iframe = document.createElement("iframe");
iframe.style.display = 'none'; iframe.style.display = 'none';
iframe.sandbox = 'allow-same-origin allow-scripts';
//invalidate content script
iframe.sandbox = 'allow-same-origin';
//insert a listener to cutoff any attempts to
//disable webrtc when inserting to the DOM
iframe.addEventListener("DOMNodeInserted", function(e){
e.stopPropagation();
}, false);
iframe.addEventListener("DOMNodeInsertedIntoDocument", function(e){
e.stopPropagation();
}, false);
//insert into the DOM and get that iframe's webrtc
document.body.appendChild(iframe); document.body.appendChild(iframe);
var win = iframe.contentWindow;
//create a nested iframe that doesn't allow javascript
var iframe2 = iframe.contentDocument.createElement("iframe");
iframe2.sandbox = 'allow-same-origin';
//add a listener to cutoff any attempts to disable webrtc when inserting to the DOM
iframe2.addEventListener("DOMNodeInserted", function(e){
e.stopPropagation();
}, false);
iframe2.addEventListener("DOMNodeInsertedIntoDocument", function(e){
e.stopPropagation();
}, false);
//get the RTCPeerConnection connection from the nested iframe
iframe.contentDocument.body.appendChild(iframe2);
var win = iframe2.contentWindow;
RTCPeerConnection = win.RTCPeerConnection RTCPeerConnection = win.RTCPeerConnection
|| win.mozRTCPeerConnection || win.mozRTCPeerConnection
|| win.webkitRTCPeerConnection; || win.webkitRTCPeerConnection;