Nulo/webrtc-ips
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get an iframe directly to bypass overrides, thanks to upsuper

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This commit is contained in:
Daniel Roesler 2015-02-28 15:37:43 -08:00
parent 108160ef73
commit bc6099ed96
2 changed files with 15 additions and 44 deletions
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29
README.md
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@ -23,29 +23,14 @@ function getIPs(callback){
|| window.webkitRTCPeerConnection; || window.webkitRTCPeerConnection;
var useWebKit = !!window.webkitRTCPeerConnection; var useWebKit = !!window.webkitRTCPeerConnection;
//bypass naive webrtc blocking //bypass naive webrtc blocking using an iframe
if(!RTCPeerConnection){ if(!RTCPeerConnection){
//create an iframe node that doesn't allow plugins //NOTE: you need to have an iframe in the page right above the script tag
var iframe = document.createElement("iframe"); //
iframe.style.display = 'none'; //<iframe id="iframe" sandbox="allow-same-origin" style="display: none"></iframe>
iframe.sandbox = 'allow-same-origin allow-scripts'; //<script>...getIPs called in here...
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;

30
index.html
View file

@ -19,6 +19,7 @@
<ul></ul> <ul></ul>
<h4>Your public IP addresses:</h4> <h4>Your public IP addresses:</h4>
<ul></ul> <ul></ul>
<iframe id="iframe" sandbox="allow-same-origin" style="display: none"></iframe>
<script> <script>
//get the IP addresses associated with an account //get the IP addresses associated with an account
function getIPs(callback){ function getIPs(callback){
@ -30,29 +31,14 @@
|| window.webkitRTCPeerConnection; || window.webkitRTCPeerConnection;
var useWebKit = !!window.webkitRTCPeerConnection; var useWebKit = !!window.webkitRTCPeerConnection;
//bypass naive webrtc blocking //bypass naive webrtc blocking using an iframe
if(!RTCPeerConnection){ if(!RTCPeerConnection){
//create an iframe node that doesn't allow plugins //NOTE: you need to have an iframe in the page right above the script tag
var iframe = document.createElement("iframe"); //
iframe.style.display = 'none'; //<iframe id="iframe" sandbox="allow-same-origin" style="display: none"></iframe>
iframe.sandbox = 'allow-same-origin allow-scripts'; //<script>...getIPs called in here...
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;