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Bug 1776109 - Part 1: Fall back to nsIPrincipal in StorageAllowedForWindow r=asuth,anti-tracking-reviewers,pbz

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Differential Revision: https://phabricator.services.mozilla.com/D150282
This commit is contained in:
Kagami Sascha Rosylight 2022-06-30 11:33:55 +00:00
parent 388ea3d223
commit 4bbf6a056b
1 changed files with 10 additions and 1 deletions
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11
toolkit/components/antitracking/StorageAccess.cpp
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@ -235,7 +235,16 @@ StorageAccess StorageAllowedForWindow(nsPIDOMWindowInner* aWindow,
*aRejectedReason);
}
// No document? Let's return a generic rejected reason.
// No document? Try checking Private Browsing Mode without document
if (const nsCOMPtr<nsIGlobalObject> global = aWindow->AsGlobal()) {
if (const nsCOMPtr<nsIPrincipal> principal = global->PrincipalOrNull()) {
if (principal->GetPrivateBrowsingId() > 0) {
return StorageAccess::ePrivateBrowsing;
}
}
}
// Everything failed? Let's return a generic rejected reason.
return StorageAccess::eDeny;
}