/* * Copyright (C) 2015 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "JSCustomEvent.h" #include "CustomEvent.h" #include "DOMWrapperWorld.h" #include <runtime/JSCInlines.h> #include <runtime/JSCJSValue.h> #include <runtime/Structure.h> using namespace JSC; namespace WebCore { JSValue JSCustomEvent::detail(ExecState* exec) const { CustomEvent& event = impl(); if (event.detail().hasNoValue()) return jsNull(); JSValue detail = event.detail().jsValue(); if (detail.isObject() && &worldForDOMObject(detail.getObject()) != ¤tWorld(exec)) { // We need to make sure CustomEvents do not leak their detail property across isolated DOM worlds. // Ideally, we would check that the worlds have different privileges but that's not possible yet. RefPtr<SerializedScriptValue> serializedDetail = event.trySerializeDetail(exec); if (!serializedDetail) return jsNull(); return serializedDetail->deserialize(exec, globalObject(), nullptr); } return detail; } } // namespace WebCore