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Catch SecurityException thrown on cross-origin wrappedJSObject access.

This commit is contained in:
hackademix 2019-04-08 15:46:52 +02:00
parent a489c192d6
commit 7ab201e133
1 changed files with 6 additions and 1 deletions
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7
src/content/staticNS.js
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@ -69,7 +69,12 @@
// The cookie hack won't work for non-HTTP subframes (issue #48),
// or the cookie might have been deleted in a race condition,
// so here we try to check the parent
let checkParent = parent.wrappedJSObject.checkNoScriptUnrestricted;
let checkParent = null;
try {
checkParent = parent.wrappedJSObject.checkNoScriptUnrestricted;
} catch (e) {
// may throw a SecurityException for cross-origin wrappedJSObject access
}
if (typeof checkParent === "function") {
try {
let challenge = uuid();