KotJohansson/UXP-Fixed
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Propagate plugin permissions from top-level to XO iframes.

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janekptacijarabaci
2017-08-27 10:17:36 +02:00
committed by wolfbeast
parent 896e23c20e
commit 6bb68deb2a
1 changed files with 15 additions and 3 deletions
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dom/base/nsPluginArray.cpp
+15 -3
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@@ -372,9 +372,21 @@ nsPluginArray::EnsurePlugins()
nsCString permString;
nsresult rv = pluginHost->GetPermissionStringForTag(pluginTag, 0, permString);
if (rv == NS_OK) {
nsIPrincipal* principal = mWindow->GetExtantDoc()->NodePrincipal();
nsCOMPtr<nsIPermissionManager> permMgr = services::GetPermissionManager();
permMgr->TestPermissionFromPrincipal(principal, permString.get(), &permission);
nsCOMPtr<nsIDocument> currentDoc = mWindow->GetExtantDoc();
// The top-level content document gets the final say on whether or not
// a plugin is going to be hidden or not, regardless of the origin
// that a subframe is hosted at. This is to avoid spamming the user
// with the hidden plugin notification bar when third-party iframes
// attempt to access navigator.plugins after the user has already
// expressed that the top-level document has this permission.
nsCOMPtr<nsIDocument> topDoc = currentDoc->GetTopLevelContentDocument();
if (topDoc) {
nsIPrincipal* principal = topDoc->NodePrincipal();
nsCOMPtr<nsIPermissionManager> permMgr = services::GetPermissionManager();
permMgr->TestPermissionFromPrincipal(principal, permString.get(), &permission);
}
}
}
}