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Loop/Architecture/Fingerprint Validation: Difference between revisions
Loop/Architecture/Fingerprint Validation (view source)
Revision as of 21:21, 4 September 2015
, 4 September 2015no edit summary
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] | ] | ||
} | } | ||
== Proof-of-Concept Shim == | |||
<script> | |||
window._originalRTCPeerConnection = window.mozRTCPeerConnection; | |||
window.mozRTCPeerConnection = function() { | |||
var setDescriptionShim = function(sdp, success, failure, pc, localRemote) { | |||
var fingerprint = /a=fingerprint:([^\r\n]*)/.exec(sdp.sdp)[1]; | |||
console.log(localRemote + " fingerprint = " + fingerprint); | |||
pc["_originalSet" + localRemote + "Description"](sdp, success, failure); | |||
} | |||
var pc = new window._originalRTCPeerConnection(); | |||
pc._originalSetLocalDescription = pc.setLocalDescription; | |||
pc._originalSetRemoteDescription = pc.setRemoteDescription; | |||
pc.setLocalDescription = function(sdp, success, failure) { | |||
setDescriptionShim(sdp, success, failure, pc, "Local"); | |||
} | |||
pc.setRemoteDescription = function(sdp, success, failure) { | |||
setDescriptionShim(sdp, success, failure, pc, "Remote"); | |||
} | |||
return pc; | |||
} | |||
navigator.mozGetUserMedia({video: true, fake:true}, function(stream) { | |||
var pc = new mozRTCPeerConnection(); | |||
pc.addStream(stream); | |||
pc.createOffer(function(offer) { | |||
pc.setLocalDescription(offer, function() { | |||
console.log("Local description has been set"); | |||
}, function (err) { | |||
console.log(err); | |||
}); | |||
}, function (err) { | |||
console.log(err); | |||
}); | |||
}, function (err) { | |||
console.log(err); | |||
}); | |||
</script> | |||