Commit e052bd2a authored by Georg Koppen's avatar Georg Koppen
Browse files

Bug 30541: Disable WebGL readPixel() for web content

parent d074ef0f
......@@ -4115,6 +4115,14 @@ bool ClientWebGLContext::ReadPixels_SharedPrecheck(
return false;
}
// Security check passed, but don't let content readPixel calls through for
// now, if Resist Fingerprinting Mode is enabled.
if (nsContentUtils::ResistFingerprinting(aCallerType)) {
JsWarning("readPixels: Not allowed in Resist Fingerprinting Mode");
out_error.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
return false;
}
return true;
}
......
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