/* * Copyright (C) 2009 Google Inc. All rights reserved. * Copyright (C) 2016 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: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 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. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "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 THE COPYRIGHT * OWNER 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 "ErrorEvent.h" #include "DOMWrapperWorld.h" #include "EventNames.h" #include <heap/HeapInlines.h> #include <heap/StrongInlines.h> namespace WebCore { using namespace JSC; ErrorEvent::ErrorEvent(ExecState& state, const AtomicString& type, const Init& initializer, IsTrusted isTrusted) : Event(type, initializer, isTrusted) , m_message(initializer.message) , m_fileName(initializer.filename) , m_lineNumber(initializer.lineno) , m_columnNumber(initializer.colno) , m_error(state.vm(), initializer.error) { } ErrorEvent::ErrorEvent(const String& message, const String& fileName, unsigned lineNumber, unsigned columnNumber, JSC::Strong<JSC::Unknown> error) : Event(eventNames().errorEvent, false, true) , m_message(message) , m_fileName(fileName) , m_lineNumber(lineNumber) , m_columnNumber(columnNumber) , m_error(error) { } ErrorEvent::~ErrorEvent() = default; EventInterface ErrorEvent::eventInterface() const { return ErrorEventInterfaceType; } JSValue ErrorEvent::error(ExecState& exec, JSGlobalObject& globalObject) { auto error = m_error.get(); if (!error) return jsNull(); if (error.isObject() && &worldForDOMObject(error.getObject()) != ¤tWorld(&exec)) { // We need to make sure ErrorEvents do not leak their error property across isolated DOM worlds. // Ideally, we would check that the worlds have different privileges but that's not possible yet. auto serializedError = trySerializeError(exec); if (!serializedError) return jsNull(); return serializedError->deserialize(exec, &globalObject); } return error; } RefPtr<SerializedScriptValue> ErrorEvent::trySerializeError(ExecState& exec) { if (!m_triedToSerialize) { m_serializedDetail = SerializedScriptValue::create(exec, m_error.get(), SerializationErrorMode::NonThrowing); m_triedToSerialize = true; } return m_serializedDetail; } bool ErrorEvent::isErrorEvent() const { return true; } } // namespace WebCore