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/*
* Copyright (C) 2008-2017 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.
*/
#pragma once
#include "ContentSecurityPolicyResponseHeaders.h"
#include "CrossOriginEmbedderPolicy.h"
#include "FetchRequestCredentials.h"
#include "NotificationPermission.h"
#include "ScriptExecutionContextIdentifier.h"
#include "ServiceWorkerRegistrationData.h"
#include "WorkerOrWorkletThread.h"
#include "WorkerRunLoop.h"
#include "WorkerType.h"
#include <JavaScriptCore/RuntimeFlags.h>
#include <memory>
#include <pal/SessionID.h>
#include <wtf/URL.h>
namespace WebCore {
class NotificationClient;
class ScriptBuffer;
class SecurityOrigin;
class SocketProvider;
class WorkerGlobalScope;
class WorkerLoaderProxy;
class WorkerDebuggerProxy;
class WorkerReportingProxy;
enum class WorkerThreadStartMode {
Normal,
WaitForInspector,
};
namespace IDBClient {
class IDBConnectionProxy;
}
struct WorkerThreadStartupData;
struct WorkerParameters {
public:
URL scriptURL;
String name;
String inspectorIdentifier;
String userAgent;
bool isOnline;
ContentSecurityPolicyResponseHeaders contentSecurityPolicyResponseHeaders;
bool shouldBypassMainWorldContentSecurityPolicy;
CrossOriginEmbedderPolicy crossOriginEmbedderPolicy;
MonotonicTime timeOrigin;
ReferrerPolicy referrerPolicy;
WorkerType workerType;
FetchRequestCredentials credentials;
Settings::Values settingsValues;
WorkerThreadMode workerThreadMode { WorkerThreadMode::CreateNewThread };
PAL::SessionID sessionID;
#if ENABLE(SERVICE_WORKER)
std::optional<ServiceWorkerData> serviceWorkerData;
#endif
ScriptExecutionContextIdentifier clientIdentifier;
WorkerParameters isolatedCopy() const;
};
class WorkerThread : public WorkerOrWorkletThread {
public:
virtual ~WorkerThread();
WorkerLoaderProxy& workerLoaderProxy() final { return m_workerLoaderProxy; }
WorkerDebuggerProxy* workerDebuggerProxy() const final { return &m_workerDebuggerProxy; }
WorkerReportingProxy& workerReportingProxy() const { return m_workerReportingProxy; }
// Number of active worker threads.
WEBCORE_EXPORT static unsigned workerThreadCount();
#if ENABLE(NOTIFICATIONS)
NotificationClient* getNotificationClient() { return m_notificationClient; }
void setNotificationClient(NotificationClient* client) { m_notificationClient = client; }
#endif
JSC::RuntimeFlags runtimeFlags() const { return m_runtimeFlags; }
bool isInStaticScriptEvaluation() const { return m_isInStaticScriptEvaluation; }
protected:
WorkerThread(const WorkerParameters&, const ScriptBuffer& sourceCode, WorkerLoaderProxy&, WorkerDebuggerProxy&, WorkerReportingProxy&, WorkerThreadStartMode, const SecurityOrigin& topOrigin, IDBClient::IDBConnectionProxy*, SocketProvider*, JSC::RuntimeFlags);
// Factory method for creating a new worker context for the thread.
virtual Ref<WorkerGlobalScope> createWorkerGlobalScope(const WorkerParameters&, Ref<SecurityOrigin>&&, Ref<SecurityOrigin>&& topOrigin) = 0;
WorkerGlobalScope* globalScope();
IDBClient::IDBConnectionProxy* idbConnectionProxy();
SocketProvider* socketProvider();
private:
virtual ASCIILiteral threadName() const = 0;
virtual void finishedEvaluatingScript() { }
// WorkerOrWorkletThread.
Ref<Thread> createThread() final;
RefPtr<WorkerOrWorkletGlobalScope> createGlobalScope() final;
void evaluateScriptIfNecessary(String& exceptionMessage) final;
bool shouldWaitForWebInspectorOnStartup() const final;
WorkerLoaderProxy& m_workerLoaderProxy;
WorkerDebuggerProxy& m_workerDebuggerProxy;
WorkerReportingProxy& m_workerReportingProxy;
JSC::RuntimeFlags m_runtimeFlags;
std::unique_ptr<WorkerThreadStartupData> m_startupData;
#if ENABLE(NOTIFICATIONS)
NotificationClient* m_notificationClient { nullptr };
#endif
RefPtr<IDBClient::IDBConnectionProxy> m_idbConnectionProxy;
RefPtr<SocketProvider> m_socketProvider;
bool m_isInStaticScriptEvaluation { false };
};
} // namespace WebCore