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/*
* Copyright (C) 2021 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 "Connection.h"
#include "Download.h"
#include "NetworkConnectionToWebProcess.h"
#include "NetworkDataTask.h"
#include <WebCore/FetchIdentifier.h>
#include <wtf/FileSystem.h>
#include <wtf/FunctionDispatcher.h>
#include <wtf/TZoneMalloc.h>
namespace IPC {
class FormDataReference;
class SharedBufferReference;
}
namespace WebKit {
class NetworkLoad;
class NetworkProcess;
class SandboxExtension;
class WebSWServerToContextConnection;
class ServiceWorkerDownloadTask : public NetworkDataTask, private FunctionDispatcher, private IPC::MessageReceiver {
WTF_MAKE_TZONE_ALLOCATED(ServiceWorkerDownloadTask);
public:
static Ref<ServiceWorkerDownloadTask> create(NetworkSession& session, NetworkDataTaskClient& client, WebSWServerToContextConnection& connection, WebCore::ServiceWorkerIdentifier serviceWorkerIdentifier, WebCore::SWServerConnectionIdentifier serverConnectionIdentifier, WebCore::FetchIdentifier fetchIdentifier, const WebCore::ResourceRequest& request, const WebCore::ResourceResponse& response, DownloadID downloadID)
{
auto task = adoptRef(*new ServiceWorkerDownloadTask(session, client, connection, serviceWorkerIdentifier, serverConnectionIdentifier, fetchIdentifier, request, response, downloadID));
task->startListeningForIPC();
return task;
}
~ServiceWorkerDownloadTask();
void ref() const final { NetworkDataTask::ref(); }
void deref() const final { NetworkDataTask::deref(); }
WebCore::FetchIdentifier fetchIdentifier() const { return m_fetchIdentifier; }
void contextClosed() { cancel(); }
void start();
void stop() { cancel(); }
private:
ServiceWorkerDownloadTask(NetworkSession&, NetworkDataTaskClient&, WebSWServerToContextConnection&, WebCore::ServiceWorkerIdentifier, WebCore::SWServerConnectionIdentifier, WebCore::FetchIdentifier, const WebCore::ResourceRequest&, const WebCore::ResourceResponse& response, DownloadID);
void startListeningForIPC();
Ref<NetworkProcess> protectedNetworkProcess() const;
// IPC Message
void didReceiveData(const IPC::SharedBufferReference&, uint64_t encodedDataLength);
void didReceiveFormData(const IPC::FormDataReference&);
void didFinish();
void didFail(WebCore::ResourceError&&);
// NetworkDataTask
void cancel() final;
void resume() final;
void invalidateAndCancel() final;
State state() const final { return m_state; }
void setPendingDownloadLocation(const String& filename, SandboxExtension::Handle&&, bool /*allowOverwrite*/) final;
// FunctionDispatcher
void dispatch(Function<void()>&&) final;
// IPC::MessageReceiver
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
template<typename Message> bool sendToServiceWorker(Message&&);
void didFailDownload(std::optional<WebCore::ResourceError>&& = { });
void close();
WeakPtr<WebSWServerToContextConnection> m_serviceWorkerConnection;
WebCore::ServiceWorkerIdentifier m_serviceWorkerIdentifier;
WebCore::SWServerConnectionIdentifier m_serverConnectionIdentifier;
WebCore::FetchIdentifier m_fetchIdentifier;
DownloadID m_downloadID;
Ref<NetworkProcess> m_networkProcess;
RefPtr<SandboxExtension> m_sandboxExtension;
FileSystem::PlatformFileHandle m_downloadFile { FileSystem::invalidPlatformFileHandle };
uint64_t m_downloadBytesWritten { 0 };
std::optional<uint64_t> m_expectedContentLength;
State m_state { State::Suspended };
};
}
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