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/*
* Copyright (C) 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.
*/
#pragma once
#if ENABLE(NETWORK_CACHE_SPECULATIVE_REVALIDATION) || ENABLE(NETWORK_CACHE_STALE_WHILE_REVALIDATE)
#include "NetworkCache.h"
#include "NetworkCacheEntry.h"
#include "NetworkLoadClient.h"
#include "PolicyDecision.h"
#include "PrivateRelayed.h"
#include <WebCore/ResourceRequest.h>
#include <WebCore/ResourceResponse.h>
#include <WebCore/SharedBuffer.h>
#include <wtf/CompletionHandler.h>
#include <wtf/TZoneMalloc.h>
namespace WebCore {
enum class AdvancedPrivacyProtections : uint16_t;
}
namespace WebKit {
class NetworkLoad;
namespace NetworkCache {
class SpeculativeLoad final : public NetworkLoadClient {
WTF_MAKE_TZONE_ALLOCATED(SpeculativeLoad);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(SpeculativeLoad);
public:
using RevalidationCompletionHandler = CompletionHandler<void(std::unique_ptr<NetworkCache::Entry>)>;
SpeculativeLoad(Cache&, const GlobalFrameID&, const WebCore::ResourceRequest&, std::unique_ptr<NetworkCache::Entry>, std::optional<NavigatingToAppBoundDomain>, bool allowPrivacyProxy, OptionSet<WebCore::AdvancedPrivacyProtections>, RevalidationCompletionHandler&&);
virtual ~SpeculativeLoad();
const WebCore::ResourceRequest& originalRequest() const { return m_originalRequest; }
void cancel();
private:
// NetworkLoadClient.
void didSendData(uint64_t bytesSent, uint64_t totalBytesToBeSent) override { }
bool isSynchronous() const override { return false; }
bool isAllowedToAskUserForCredentials() const final { return false; }
void willSendRedirectedRequest(WebCore::ResourceRequest&&, WebCore::ResourceRequest&& redirectRequest, WebCore::ResourceResponse&& redirectResponse, CompletionHandler<void(WebCore::ResourceRequest&&)>&&) override;
void didReceiveResponse(WebCore::ResourceResponse&&, PrivateRelayed, ResponseCompletionHandler&&) override;
void didReceiveBuffer(const WebCore::FragmentedSharedBuffer&, uint64_t reportedEncodedDataLength) override;
void didFinishLoading(const WebCore::NetworkLoadMetrics&) override;
void didFailLoading(const WebCore::ResourceError&) override;
void didComplete();
Ref<Cache> m_cache;
RevalidationCompletionHandler m_completionHandler;
WebCore::ResourceRequest m_originalRequest;
RefPtr<NetworkLoad> m_networkLoad;
WebCore::ResourceResponse m_response;
WebCore::SharedBufferBuilder m_bufferedDataForCache;
std::unique_ptr<NetworkCache::Entry> m_cacheEntry;
bool m_didComplete { false };
PrivateRelayed m_privateRelayed { PrivateRelayed::No };
};
bool requestsHeadersMatch(const WebCore::ResourceRequest& speculativeValidationRequest, const WebCore::ResourceRequest& actualRequest);
} // namespace NetworkCache
} // namespace WebKit
#endif // ENABLE(NETWORK_CACHE_SPECULATIVE_REVALIDATION) || ENABLE(NETWORK_CACHE_STALE_WHILE_REVALIDATE)
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