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Disallow getUserMedia on null principals.

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This commit is contained in:
wolfbeast 2019-03-23 12:52:39 +01:00 • committed by Roy Tam
commit db3e9bd7ba
1 changed files with 10 additions and 1 deletions
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11
dom/media/MediaManager.cpp
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@ -2051,6 +2051,16 @@ MediaManager::GetUserMedia(nsPIDOMWindowInner* aWindow,
return rv;
}
// Disallow access to null principal pages
nsCOMPtr<nsIPrincipal> principal = aWindow->GetExtantDoc()->NodePrincipal();
if (principal->GetIsNullPrincipal()) {
RefPtr<MediaStreamError> error =
new MediaStreamError(aWindow,
NS_LITERAL_STRING("NotAllowedError"));
onFailure->OnError(error);
return NS_OK;
}
if (!Preferences::GetBool("media.navigator.video.enabled", true)) {
c.mVideo.SetAsBoolean() = false;
}
@ -2198,7 +2208,6 @@ MediaManager::GetUserMedia(nsPIDOMWindowInner* aWindow,
StreamListeners* listeners = AddWindowID(windowID);
// Create a disabled listener to act as a placeholder
nsIPrincipal* principal = aWindow->GetExtantDoc()->NodePrincipal();
RefPtr<GetUserMediaCallbackMediaStreamListener> listener =
new GetUserMediaCallbackMediaStreamListener(mMediaThread, windowID,
MakePrincipalHandle(principal));