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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.
*/
#pragma once
#include "NetworkResourceLoadIdentifier.h"
#include "WebResourceLoader.h"
#include <WebCore/LoaderStrategy.h>
#include <WebCore/ResourceError.h>
#include <WebCore/ResourceLoader.h>
#include <WebCore/ResourceResponse.h>
#include <wtf/HashSet.h>
#include <wtf/RunLoop.h>
namespace WebCore {
struct FetchOptions;
}
namespace WebKit {
class NetworkProcessConnection;
class WebFrame;
class WebPage;
class WebURLSchemeTaskProxy;
class WebLoaderStrategy final : public WebCore::LoaderStrategy {
WTF_MAKE_NONCOPYABLE(WebLoaderStrategy); WTF_MAKE_FAST_ALLOCATED;
public:
WebLoaderStrategy();
~WebLoaderStrategy() final;
void loadResource(WebCore::LocalFrame&, WebCore::CachedResource&, WebCore::ResourceRequest&&, const WebCore::ResourceLoaderOptions&, CompletionHandler<void(RefPtr<WebCore::SubresourceLoader>&&)>&&) final;
void loadResourceSynchronously(WebCore::FrameLoader&, WebCore::ResourceLoaderIdentifier, const WebCore::ResourceRequest&, WebCore::ClientCredentialPolicy, const WebCore::FetchOptions&, const WebCore::HTTPHeaderMap&, WebCore::ResourceError&, WebCore::ResourceResponse&, Vector<uint8_t>& data) final;
void pageLoadCompleted(WebCore::Page&) final;
void browsingContextRemoved(WebCore::LocalFrame&) final;
void remove(WebCore::ResourceLoader*) final;
void setDefersLoading(WebCore::ResourceLoader&, bool) final;
void crossOriginRedirectReceived(WebCore::ResourceLoader*, const URL& redirectURL) final;
void servePendingRequests(WebCore::ResourceLoadPriority minimumPriority) final;
void suspendPendingRequests() final;
void resumePendingRequests() final;
bool usePingLoad() const final;
void startPingLoad(WebCore::LocalFrame&, WebCore::ResourceRequest&, const WebCore::HTTPHeaderMap& originalRequestHeaders, const WebCore::FetchOptions&, WebCore::ContentSecurityPolicyImposition, PingLoadCompletionHandler&&) final;
void didFinishPingLoad(WebCore::ResourceLoaderIdentifier pingLoadIdentifier, WebCore::ResourceError&&, WebCore::ResourceResponse&&);
void preconnectTo(WebCore::ResourceRequest&&, WebPage&, WebFrame&, WebCore::StoredCredentialsPolicy, ShouldPreconnectAsFirstParty, PreconnectCompletionHandler&& = nullptr);
void preconnectTo(WebCore::FrameLoader&, const URL&, WebCore::StoredCredentialsPolicy, ShouldPreconnectAsFirstParty, PreconnectCompletionHandler&&) final;
void didFinishPreconnection(WebCore::ResourceLoaderIdentifier preconnectionIdentifier, WebCore::ResourceError&&);
void setCaptureExtraNetworkLoadMetricsEnabled(bool) final;
WebResourceLoader* webResourceLoaderForIdentifier(WebCore::ResourceLoaderIdentifier identifier) const { return m_webResourceLoaders.get(identifier); }
void schedulePluginStreamLoad(WebCore::LocalFrame&, WebCore::NetscapePlugInStreamLoaderClient&, WebCore::ResourceRequest&&, CompletionHandler<void(RefPtr<WebCore::NetscapePlugInStreamLoader>&&)>&&);
void networkProcessCrashed();
void addURLSchemeTaskProxy(WebURLSchemeTaskProxy&);
void removeURLSchemeTaskProxy(WebURLSchemeTaskProxy&);
void scheduleLoadFromNetworkProcess(WebCore::ResourceLoader&, const WebCore::ResourceRequest&, const WebResourceLoader::TrackingParameters&, bool shouldClearReferrerOnHTTPSToHTTPRedirect, Seconds maximumBufferingTime);
bool isOnLine() const final;
void addOnlineStateChangeListener(Function<void(bool)>&&) final;
void setOnLineState(bool);
void setExistingNetworkResourceLoadIdentifierToResume(std::optional<NetworkResourceLoadIdentifier> existingNetworkResourceLoadIdentifierToResume) { m_existingNetworkResourceLoadIdentifierToResume = existingNetworkResourceLoadIdentifierToResume; }
static constexpr Seconds mediaMaximumBufferingTime { 50_ms };
private:
void scheduleLoad(WebCore::ResourceLoader&, WebCore::CachedResource*, bool shouldClearReferrerOnHTTPSToHTTPRedirect);
void scheduleInternallyFailedLoad(WebCore::ResourceLoader&);
void internallyFailedLoadTimerFired();
void startLocalLoad(WebCore::ResourceLoader&);
bool tryLoadingUsingURLSchemeHandler(WebCore::ResourceLoader&, const WebResourceLoader::TrackingParameters&);
#if ENABLE(PDFJS)
bool tryLoadingUsingPDFJSHandler(WebCore::ResourceLoader&, const WebResourceLoader::TrackingParameters&);
#endif
struct SyncLoadResult {
WebCore::ResourceResponse response;
WebCore::ResourceError error;
Vector<uint8_t> data;
};
std::optional<SyncLoadResult> tryLoadingSynchronouslyUsingURLSchemeHandler(WebCore::FrameLoader&, WebCore::ResourceLoaderIdentifier, const WebCore::ResourceRequest&);
SyncLoadResult loadDataURLSynchronously(const WebCore::ResourceRequest&);
WebCore::ResourceResponse responseFromResourceLoadIdentifier(WebCore::ResourceLoaderIdentifier) final;
Vector<WebCore::NetworkTransactionInformation> intermediateLoadInformationFromResourceLoadIdentifier(WebCore::ResourceLoaderIdentifier) final;
WebCore::NetworkLoadMetrics networkMetricsFromResourceLoadIdentifier(WebCore::ResourceLoaderIdentifier) final;
bool shouldPerformSecurityChecks() const final;
bool havePerformedSecurityChecks(const WebCore::ResourceResponse&) const final;
void isResourceLoadFinished(WebCore::CachedResource&, CompletionHandler<void(bool)>&&) final;
void setResourceLoadSchedulingMode(WebCore::Page&, WebCore::LoadSchedulingMode) final;
void prioritizeResourceLoads(const Vector<WebCore::SubresourceLoader*>&) final;
Vector<WebCore::ResourceLoaderIdentifier> ongoingLoads() const final
{
return WTF::map(m_webResourceLoaders, [](auto&& keyValue) -> WebCore::ResourceLoaderIdentifier {
return keyValue.key;
});
}
HashSet<RefPtr<WebCore::ResourceLoader>> m_internallyFailedResourceLoaders;
RunLoop::Timer m_internallyFailedLoadTimer;
HashMap<WebCore::ResourceLoaderIdentifier, RefPtr<WebResourceLoader>> m_webResourceLoaders;
HashMap<WebCore::ResourceLoaderIdentifier, WebURLSchemeTaskProxy*> m_urlSchemeTasks;
HashMap<WebCore::ResourceLoaderIdentifier, PingLoadCompletionHandler> m_pingLoadCompletionHandlers;
HashMap<WebCore::ResourceLoaderIdentifier, PreconnectCompletionHandler> m_preconnectCompletionHandlers;
Vector<Function<void(bool)>> m_onlineStateChangeListeners;
std::optional<NetworkResourceLoadIdentifier> m_existingNetworkResourceLoadIdentifierToResume;
bool m_isOnLine { true };
};
} // namespace WebKit
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