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/*
* Copyright (C) 2019 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. AND ITS 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 APPLE INC. OR ITS 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 "DownloadID.h"
#include "SharedPreferencesForWebProcess.h"
#include <WebCore/DOMCacheEngine.h>
#include <WebCore/FetchIdentifier.h>
#include <WebCore/ResourceRequest.h>
#include <WebCore/ScriptExecutionContextIdentifier.h>
#include <WebCore/ServiceWorkerTypes.h>
#include <WebCore/Timer.h>
#include <pal/SessionID.h>
#include <wtf/RefCountedAndCanMakeWeakPtr.h>
#include <wtf/TZoneMalloc.h>
namespace WebCore {
class ResourceError;
class ResourceRequest;
class ResourceResponse;
class SWServerRegistration;
struct RetrieveRecordsOptions;
}
namespace IPC {
class Connection;
class Decoder;
class FormDataReference;
class SharedBufferReference;
}
namespace WebCore {
class NetworkLoadMetrics;
struct ClientOrigin;
}
namespace WebKit {
class DownloadManager;
class NetworkResourceLoader;
class NetworkSession;
class NetworkStorageManager;
class ServiceWorkerNavigationPreloader;
class WebSWServerConnection;
class WebSWServerToContextConnection;
class ServiceWorkerFetchTask : public RefCountedAndCanMakeWeakPtr<ServiceWorkerFetchTask> {
WTF_MAKE_TZONE_ALLOCATED(ServiceWorkerFetchTask);
public:
static RefPtr<ServiceWorkerFetchTask> fromNavigationPreloader(WebSWServerConnection&, NetworkResourceLoader&, const WebCore::ResourceRequest&, NetworkSession*);
static Ref<ServiceWorkerFetchTask> fromCache(NetworkResourceLoader&, NetworkStorageManager&, WebCore::ResourceRequest&&, String&&);
static Ref<ServiceWorkerFetchTask> create(WebSWServerConnection&, NetworkResourceLoader&, WebCore::ResourceRequest&&, WebCore::SWServerConnectionIdentifier, WebCore::ServiceWorkerIdentifier, WebCore::SWServerRegistration&, NetworkSession*, bool isWorkerReady, bool shouldRaceNetworkAndFetchHandler);
~ServiceWorkerFetchTask();
void start(WebSWServerToContextConnection&);
void cancelFromClient();
void didReceiveMessage(IPC::Connection&, IPC::Decoder&);
void continueDidReceiveFetchResponse();
void continueFetchTaskWith(WebCore::ResourceRequest&&);
WebCore::FetchIdentifier fetchIdentifier() const { return m_fetchIdentifier; }
std::optional<WebCore::ServiceWorkerIdentifier> serviceWorkerIdentifier() const { return m_serviceWorkerIdentifier; }
WebCore::ResourceRequest takeRequest() { return WTF::move(m_currentRequest); }
void cannotHandle();
void contextClosed();
bool convertToDownload(DownloadManager&, DownloadID, const WebCore::ResourceRequest&, const WebCore::ResourceResponse&);
MonotonicTime startTime() const;
std::optional<SharedPreferencesForWebProcess> sharedPreferencesForWebProcess() const;
private:
ServiceWorkerFetchTask(WebSWServerConnection&, NetworkResourceLoader&, WebCore::ResourceRequest&&, WebCore::SWServerConnectionIdentifier, WebCore::ServiceWorkerIdentifier, WebCore::SWServerRegistration&, NetworkSession*, bool isWorkerReady, bool shouldRaceNetworkAndFetchHandler);
ServiceWorkerFetchTask(WebSWServerConnection&, NetworkResourceLoader&, RefPtr<ServiceWorkerNavigationPreloader>&&);
ServiceWorkerFetchTask(NetworkResourceLoader&, WebCore::ResourceRequest&&);
enum class ShouldSetSource : bool { No, Yes };
void didReceiveRedirectResponse(WebCore::ResourceResponse&&);
void didReceiveResponse(WebCore::ResourceResponse&&, bool needsContinueDidReceiveResponseMessage);
void didReceiveData(const IPC::SharedBufferReference&);
void didReceiveDataFromPreloader(const WebCore::FragmentedSharedBuffer&);
void didReceiveFormData(const IPC::FormDataReference&);
void didFinish(const WebCore::NetworkLoadMetrics&);
void didFail(const WebCore::ResourceError&);
void didNotHandle();
void usePreload();
void processRedirectResponse(WebCore::ResourceResponse&&, ShouldSetSource);
void processResponse(WebCore::ResourceResponse&&, bool needsContinueDidReceiveResponseMessage, ShouldSetSource);
void startFetch();
void timeoutTimerFired();
void softUpdateIfNeeded();
void loadResponseFromPreloader();
void loadBodyFromPreloader();
void cancelPreloadIfNecessary();
NetworkSession* session();
void preloadResponseIsReady();
void workerClosed();
void loadFromCache(NetworkStorageManager&, WebCore::ClientOrigin&&, WebCore::RetrieveRecordsOptions&&, String&&);
void respondWithCacheResponse(std::optional<WebCore::DOMCacheEngine::Record>&&);
void finishLoadingWithCacheResponse(WebCore::DOMCacheEngine::Record&&);
void sendData(Ref<WebCore::SharedBuffer>&&);
RefPtr<IPC::Connection> serviceWorkerConnection();
template<typename Message> bool sendToClient(Message&&);
RefPtr<NetworkResourceLoader> protectedLoader() const;
void sendNavigationPreloadUpdate();
RefPtr<ServiceWorkerNavigationPreloader> protectedPreloader();
void processPreloadResponse();
WeakPtr<WebSWServerConnection> m_swServerConnection;
WeakPtr<NetworkResourceLoader> m_loader;
WeakPtr<WebSWServerToContextConnection> m_serviceWorkerConnection;
WebCore::FetchIdentifier m_fetchIdentifier;
Markable<WebCore::SWServerConnectionIdentifier> m_serverConnectionIdentifier;
Markable<WebCore::ServiceWorkerIdentifier> m_serviceWorkerIdentifier;
WebCore::ResourceRequest m_currentRequest;
std::unique_ptr<WebCore::Timer> m_timeoutTimer;
Markable<WebCore::ServiceWorkerRegistrationIdentifier> m_serviceWorkerRegistrationIdentifier;
RefPtr<ServiceWorkerNavigationPreloader> m_preloader;
const bool m_shouldRaceNetworkAndFetchHandler { false };
bool m_wasHandled { false };
bool m_isDone { false };
bool m_shouldSoftUpdate { false };
bool m_isLoadingFromPreloader { false };
std::optional<WebCore::DOMCacheEngine::Record> m_cacheRecord;
};
}
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