security-and-privacy/CanvasBlocker
security-and-privacy/CanvasBlocker
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Code Releases Activity

Do not intercept when the SOP is in the way.

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This commit is contained in:
kkapsner 2017-07-18 16:14:03 +02:00
parent 2a3abbcec7
commit 6c47397d46
2 changed files with 20 additions and 1 deletions
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10
lib/frame.js
View File

@ -83,6 +83,16 @@
return false;
}
try {
var href = window.location.href;
}
catch (e){
// we are unable to read the location due to SOP
// therefore we also can not intercept anything.
log("NOT intercepting window du to SOP", window);
return false;
}
log("intercepting window", window);
intercept(
{subject: window},

11
lib/intercept.js
View File

@ -32,7 +32,16 @@
scope.setRandomSupplyByType = setRandomSupplyByType;
function getURL(window){
if (!window.location.href || window.location.href === "about:blank"){
var href;
try {
href = window.location.href;
}
catch (e){
// unable to read location due to SOP
// since we are not able to do anything in that case we can allow everything
return "about:SOP";
}
if (!href || href === "about:blank"){
if (window !== window.parent){
return getURL(window.parent);
}