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/*
* Copyright (C) 2010-2016 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:
* 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.
*/
#include "config.h"
#include "Download.h"
#include "AuthenticationChallengeDisposition.h"
#include "AuthenticationManager.h"
#include "Connection.h"
#include "DownloadManager.h"
#include "DownloadMonitor.h"
#include "DownloadProxyMessages.h"
#include "Logging.h"
#include "MessageSenderInlines.h"
#include "NetworkDataTask.h"
#include "NetworkProcess.h"
#include "NetworkSession.h"
#include "SandboxExtension.h"
#include "WebCoreArgumentCoders.h"
#include <WebCore/NotImplemented.h>
#if PLATFORM(COCOA)
#include "NetworkDataTaskCocoa.h"
#endif
#define DOWNLOAD_RELEASE_LOG(fmt, ...) RELEASE_LOG(Network, "%p - Download::" fmt, this, ##__VA_ARGS__)
namespace WebKit {
using namespace WebCore;
Download::Download(DownloadManager& downloadManager, DownloadID downloadID, NetworkDataTask& download, NetworkSession& session, const String& suggestedName)
: m_downloadManager(downloadManager)
, m_downloadID(downloadID)
, m_client(downloadManager.client())
, m_download(&download)
, m_sessionID(session.sessionID())
, m_testSpeedMultiplier(session.testSpeedMultiplier())
{
ASSERT(m_downloadID);
m_downloadManager.didCreateDownload();
}
#if PLATFORM(COCOA)
Download::Download(DownloadManager& downloadManager, DownloadID downloadID, NSURLSessionDownloadTask* download, NetworkSession& session, const String& suggestedName)
: m_downloadManager(downloadManager)
, m_downloadID(downloadID)
, m_client(downloadManager.client())
, m_downloadTask(download)
, m_sessionID(session.sessionID())
, m_testSpeedMultiplier(session.testSpeedMultiplier())
{
ASSERT(m_downloadID);
m_downloadManager.didCreateDownload();
}
#endif
Download::~Download()
{
platformDestroyDownload();
m_downloadManager.didDestroyDownload();
}
void Download::cancel(CompletionHandler<void(const IPC::DataReference&)>&& completionHandler, IgnoreDidFailCallback ignoreDidFailCallback)
{
RELEASE_ASSERT(isMainRunLoop());
// URLSession:task:didCompleteWithError: is still called after cancelByProducingResumeData's completionHandler.
// If this cancel request came from the API, we do not want to send DownloadProxy::DidFail because the
// completionHandler will inform the API that the cancellation succeeded.
m_ignoreDidFailCallback = ignoreDidFailCallback;
auto completionHandlerWrapper = [this, weakThis = WeakPtr { *this }, completionHandler = WTFMove(completionHandler)] (const IPC::DataReference& resumeData) mutable {
completionHandler(resumeData);
if (!weakThis || m_ignoreDidFailCallback == IgnoreDidFailCallback::No)
return;
DOWNLOAD_RELEASE_LOG("didCancel: (id = %" PRIu64 ")", downloadID().toUInt64());
if (auto extension = std::exchange(m_sandboxExtension, nullptr))
extension->revoke();
m_downloadManager.downloadFinished(*this);
};
if (m_download) {
m_download->cancel();
completionHandlerWrapper({ });
return;
}
platformCancelNetworkLoad(WTFMove(completionHandlerWrapper));
}
void Download::didReceiveChallenge(const WebCore::AuthenticationChallenge& challenge, ChallengeCompletionHandler&& completionHandler)
{
if (challenge.protectionSpace().isPasswordBased() && !challenge.proposedCredential().isEmpty() && !challenge.previousFailureCount()) {
completionHandler(AuthenticationChallengeDisposition::UseCredential, challenge.proposedCredential());
return;
}
m_client->downloadsAuthenticationManager().didReceiveAuthenticationChallenge(*this, challenge, WTFMove(completionHandler));
}
void Download::didCreateDestination(const String& path)
{
send(Messages::DownloadProxy::DidCreateDestination(path));
}
void Download::didReceiveData(uint64_t bytesWritten, uint64_t totalBytesWritten, uint64_t totalBytesExpectedToWrite)
{
if (!m_hasReceivedData) {
DOWNLOAD_RELEASE_LOG("didReceiveData: Started receiving data (id = %" PRIu64 ")", downloadID().toUInt64());
m_hasReceivedData = true;
}
m_monitor.downloadReceivedBytes(bytesWritten);
send(Messages::DownloadProxy::DidReceiveData(bytesWritten, totalBytesWritten, totalBytesExpectedToWrite));
}
void Download::didFinish()
{
DOWNLOAD_RELEASE_LOG("didFinish: (id = %" PRIu64 ")", downloadID().toUInt64());
send(Messages::DownloadProxy::DidFinish());
if (m_sandboxExtension) {
m_sandboxExtension->revoke();
m_sandboxExtension = nullptr;
}
m_downloadManager.downloadFinished(*this);
}
void Download::didFail(const ResourceError& error, const IPC::DataReference& resumeData)
{
if (m_ignoreDidFailCallback == IgnoreDidFailCallback::Yes)
return;
DOWNLOAD_RELEASE_LOG("didFail: (id = %" PRIu64 ", isTimeout = %d, isCancellation = %d, errCode = %d)",
downloadID().toUInt64(), error.isTimeout(), error.isCancellation(), error.errorCode());
send(Messages::DownloadProxy::DidFail(error, resumeData));
if (m_sandboxExtension) {
m_sandboxExtension->revoke();
m_sandboxExtension = nullptr;
}
m_downloadManager.downloadFinished(*this);
}
IPC::Connection* Download::messageSenderConnection() const
{
return m_downloadManager.downloadProxyConnection();
}
uint64_t Download::messageSenderDestinationID() const
{
return m_downloadID.toUInt64();
}
#if !PLATFORM(COCOA)
void Download::platformCancelNetworkLoad(CompletionHandler<void(const IPC::DataReference&)>&& completionHandler)
{
completionHandler({ });
}
void Download::platformDestroyDownload()
{
}
#endif
} // namespace WebKit
#undef DOWNLOAD_RELEASE_LOG
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