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/*
* Copyright (C) 2012-2015 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.
*/
#ifndef NetworkResourceLoader_h
#define NetworkResourceLoader_h
#include "DownloadID.h"
#include "MessageSender.h"
#include "NetworkConnectionToWebProcessMessages.h"
#include "NetworkLoadClient.h"
#include "NetworkResourceLoadParameters.h"
#include "ShareableResource.h"
#include <WebCore/Timer.h>
namespace WebCore {
class BlobDataFileReference;
class ResourceRequest;
}
namespace WebKit {
class NetworkConnectionToWebProcess;
class NetworkLoad;
class SandboxExtension;
namespace NetworkCache {
class Entry;
}
class NetworkResourceLoader final : public RefCounted<NetworkResourceLoader>, public NetworkLoadClient, public IPC::MessageSender {
public:
static Ref<NetworkResourceLoader> create(const NetworkResourceLoadParameters& parameters, NetworkConnectionToWebProcess& connection, RefPtr<Messages::NetworkConnectionToWebProcess::PerformSynchronousLoad::DelayedReply>&& reply = nullptr)
{
return adoptRef(*new NetworkResourceLoader(parameters, connection, WTFMove(reply)));
}
virtual ~NetworkResourceLoader();
const WebCore::ResourceRequest& originalRequest() const { return m_parameters.request; }
NetworkLoad* networkLoad() const { return m_networkLoad.get(); }
void start();
void abort();
void setDefersLoading(bool);
// Message handlers.
void didReceiveNetworkResourceLoaderMessage(IPC::Connection&, IPC::Decoder&);
#if USE(PROTECTION_SPACE_AUTH_CALLBACK)
void continueCanAuthenticateAgainstProtectionSpace(bool);
#endif
void continueWillSendRequest(WebCore::ResourceRequest&& newRequest, bool isAllowedToAskUserForCredentials);
const WebCore::ResourceResponse& response() const { return m_response; }
NetworkConnectionToWebProcess& connectionToWebProcess() { return m_connection; }
WebCore::SessionID sessionID() const { return m_parameters.sessionID; }
ResourceLoadIdentifier identifier() const { return m_parameters.identifier; }
uint64_t frameID() const { return m_parameters.webFrameID; }
uint64_t pageID() const { return m_parameters.webPageID; }
struct SynchronousLoadData;
// NetworkLoadClient.
void didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent) override;
#if USE(PROTECTION_SPACE_AUTH_CALLBACK)
void canAuthenticateAgainstProtectionSpaceAsync(const WebCore::ProtectionSpace&) override;
#endif
bool isSynchronous() const override;
bool isAllowedToAskUserForCredentials() const override { return m_isAllowedToAskUserForCredentials; }
void willSendRedirectedRequest(WebCore::ResourceRequest&&, WebCore::ResourceRequest&& redirectRequest, WebCore::ResourceResponse&&) override;
ShouldContinueDidReceiveResponse didReceiveResponse(WebCore::ResourceResponse&&) override;
void didReceiveBuffer(Ref<WebCore::SharedBuffer>&&, int reportedEncodedDataLength) override;
void didFinishLoading(const WebCore::NetworkLoadMetrics&) override;
void didFailLoading(const WebCore::ResourceError&) override;
bool shouldCaptureExtraNetworkLoadMetrics() const override;
void convertToDownload(DownloadID, const WebCore::ResourceRequest&, const WebCore::ResourceResponse&);
bool isMainResource() const { return m_parameters.request.requester() == WebCore::ResourceRequest::Requester::Main; }
bool isAlwaysOnLoggingAllowed() const;
private:
NetworkResourceLoader(const NetworkResourceLoadParameters&, NetworkConnectionToWebProcess&, RefPtr<Messages::NetworkConnectionToWebProcess::PerformSynchronousLoad::DelayedReply>&&);
// IPC::MessageSender
IPC::Connection* messageSenderConnection() override;
uint64_t messageSenderDestinationID() override { return m_parameters.identifier; }
#if ENABLE(NETWORK_CACHE)
bool canUseCache(const WebCore::ResourceRequest&) const;
bool canUseCachedRedirect(const WebCore::ResourceRequest&) const;
void tryStoreAsCacheEntry();
void retrieveCacheEntry(const WebCore::ResourceRequest&);
void didRetrieveCacheEntry(std::unique_ptr<NetworkCache::Entry>);
void sendResultForCacheEntry(std::unique_ptr<NetworkCache::Entry>);
void validateCacheEntry(std::unique_ptr<NetworkCache::Entry>);
void dispatchWillSendRequestForCacheEntry(std::unique_ptr<NetworkCache::Entry>);
#endif
void startNetworkLoad(const WebCore::ResourceRequest&);
void continueDidReceiveResponse();
void cleanup();
void platformDidReceiveResponse(const WebCore::ResourceResponse&);
void startBufferingTimerIfNeeded();
void bufferingTimerFired();
void sendBuffer(WebCore::SharedBuffer&, size_t encodedDataLength);
void consumeSandboxExtensions();
void invalidateSandboxExtensions();
const NetworkResourceLoadParameters m_parameters;
Ref<NetworkConnectionToWebProcess> m_connection;
std::unique_ptr<NetworkLoad> m_networkLoad;
WebCore::ResourceResponse m_response;
size_t m_bytesReceived { 0 };
size_t m_bufferedDataEncodedDataLength { 0 };
RefPtr<WebCore::SharedBuffer> m_bufferedData;
unsigned m_redirectCount { 0 };
std::unique_ptr<SynchronousLoadData> m_synchronousLoadData;
Vector<RefPtr<WebCore::BlobDataFileReference>> m_fileReferences;
bool m_wasStarted { false };
bool m_didConsumeSandboxExtensions { false };
bool m_defersLoading { false };
bool m_isAllowedToAskUserForCredentials { false };
size_t m_numBytesReceived { 0 };
unsigned m_retrievedDerivedDataCount { 0 };
WebCore::Timer m_bufferingTimer;
#if ENABLE(NETWORK_CACHE)
RefPtr<NetworkCache::Cache> m_cache;
RefPtr<WebCore::SharedBuffer> m_bufferedDataForCache;
std::unique_ptr<NetworkCache::Entry> m_cacheEntryForValidation;
bool m_isWaitingContinueWillSendRequestForCachedRedirect { false };
#endif
};
} // namespace WebKit
#endif // NetworkResourceLoader_h
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