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/*
* Copyright (C) 2012, 2013 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 NetworkProcess_h
#define NetworkProcess_h
#include "CacheModel.h"
#include "ChildProcess.h"
#include "DownloadManager.h"
#include "MessageReceiverMap.h"
#include <WebCore/DiagnosticLoggingClient.h>
#include <WebCore/MemoryPressureHandler.h>
#include <WebCore/SessionID.h>
#include <memory>
#include <wtf/Forward.h>
#include <wtf/NeverDestroyed.h>
#if PLATFORM(IOS)
#include "WebSQLiteDatabaseTracker.h"
#endif
#if PLATFORM(QT)
#include "QtNetworkAccessManager.h"
#endif
namespace WebCore {
class CertificateInfo;
class NetworkStorageSession;
class SecurityOrigin;
class SessionID;
struct SecurityOriginData;
}
namespace WebKit {
class AuthenticationManager;
class NetworkConnectionToWebProcess;
class NetworkProcessSupplement;
struct NetworkProcessCreationParameters;
class NetworkProcess : public ChildProcess, public DownloadManager::Client {
WTF_MAKE_NONCOPYABLE(NetworkProcess);
friend class NeverDestroyed<NetworkProcess>;
friend class NeverDestroyed<DownloadManager>;
public:
static NetworkProcess& singleton();
template <typename T>
T* supplement()
{
return static_cast<T*>(m_supplements.get(T::supplementName()));
}
template <typename T>
void addSupplement()
{
m_supplements.add(T::supplementName(), std::make_unique<T>(this));
}
void removeNetworkConnectionToWebProcess(NetworkConnectionToWebProcess*);
AuthenticationManager& authenticationManager();
DownloadManager& downloadManager();
bool canHandleHTTPSServerTrustEvaluation() const { return m_canHandleHTTPSServerTrustEvaluation; }
void processWillSuspendImminently(bool& handled);
void prepareToSuspend();
void cancelPrepareToSuspend();
void processDidResume();
// Diagnostic messages logging.
void logDiagnosticMessage(uint64_t webPageID, const String& message, const String& description, WebCore::ShouldSample);
void logDiagnosticMessageWithResult(uint64_t webPageID, const String& message, const String& description, WebCore::DiagnosticLoggingResultType, WebCore::ShouldSample);
void logDiagnosticMessageWithValue(uint64_t webPageID, const String& message, const String& description, const String& value, WebCore::ShouldSample);
#if USE(CFURLCACHE)
static Vector<Ref<WebCore::SecurityOrigin>> cfURLCacheOrigins();
static void clearCFURLCacheForOrigins(const Vector<WebCore::SecurityOriginData>&);
#endif
#if PLATFORM(COCOA)
void clearHSTSCache(WebCore::NetworkStorageSession&, std::chrono::system_clock::time_point modifiedSince);
#endif
#if PLATFORM(QT)
QNetworkAccessManager& networkAccessManager() { return m_networkAccessManager; }
#endif
void prefetchDNS(const String&);
NetworkProcess();
private:
~NetworkProcess();
void platformInitializeNetworkProcess(const NetworkProcessCreationParameters&);
virtual void terminate() override;
void platformTerminate();
void lowMemoryHandler(WebCore::Critical);
void platformLowMemoryHandler(WebCore::Critical);
// ChildProcess
virtual void initializeProcess(const ChildProcessInitializationParameters&) override;
virtual void initializeProcessName(const ChildProcessInitializationParameters&) override;
virtual void initializeSandbox(const ChildProcessInitializationParameters&, SandboxInitializationParameters&) override;
virtual void initializeConnection(IPC::Connection*) override;
virtual bool shouldTerminate() override;
// IPC::Connection::Client
virtual void didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&) override;
virtual void didReceiveSyncMessage(IPC::Connection&, IPC::MessageDecoder&, std::unique_ptr<IPC::MessageEncoder>&) override;
virtual void didClose(IPC::Connection&) override;
virtual void didReceiveInvalidMessage(IPC::Connection&, IPC::StringReference messageReceiverName, IPC::StringReference messageName) override;
virtual IPC::ProcessType localProcessType() override { return IPC::ProcessType::Network; }
virtual IPC::ProcessType remoteProcessType() override { return IPC::ProcessType::UI; }
// DownloadManager::Client
virtual void didCreateDownload() override;
virtual void didDestroyDownload() override;
virtual IPC::Connection* downloadProxyConnection() override;
virtual AuthenticationManager& downloadsAuthenticationManager() override;
// Message Handlers
void didReceiveNetworkProcessMessage(IPC::Connection&, IPC::MessageDecoder&);
void didReceiveSyncNetworkProcessMessage(IPC::Connection&, IPC::MessageDecoder&, std::unique_ptr<IPC::MessageEncoder>&);
void initializeNetworkProcess(const NetworkProcessCreationParameters&);
void createNetworkConnectionToWebProcess();
void ensurePrivateBrowsingSession(WebCore::SessionID);
void destroyPrivateBrowsingSession(WebCore::SessionID);
void fetchWebsiteData(WebCore::SessionID, uint64_t websiteDataTypes, uint64_t callbackID);
void deleteWebsiteData(WebCore::SessionID, uint64_t websiteDataTypes, std::chrono::system_clock::time_point modifiedSince, uint64_t callbackID);
void deleteWebsiteDataForOrigins(WebCore::SessionID, uint64_t websiteDataTypes, const Vector<WebCore::SecurityOriginData>& origins, const Vector<String>& cookieHostNames, uint64_t callbackID);
void clearCachedCredentials();
// FIXME: This should take a session ID so we can identify which disk cache to delete.
void clearDiskCache(std::chrono::system_clock::time_point modifiedSince, std::function<void ()> completionHandler);
void downloadRequest(WebCore::SessionID, DownloadID, const WebCore::ResourceRequest&);
void resumeDownload(WebCore::SessionID, DownloadID, const IPC::DataReference& resumeData, const String& path, const SandboxExtension::Handle&);
void cancelDownload(DownloadID);
#if PLATFORM(QT)
void startTransfer(DownloadID, const String& destination);
#endif
#if USE(NETWORK_SESSION)
void continueCanAuthenticateAgainstProtectionSpace(DownloadID, bool canAuthenticate);
void continueWillSendRequest(DownloadID, const WebCore::ResourceRequest&);
#endif
void setCacheModel(uint32_t);
void allowSpecificHTTPSCertificateForHost(const WebCore::CertificateInfo&, const String& host);
void setCanHandleHTTPSServerTrustEvaluation(bool);
void getNetworkProcessStatistics(uint64_t callbackID);
void clearCacheForAllOrigins(uint32_t cachesToClear);
#if USE(SOUP)
void setIgnoreTLSErrors(bool);
void userPreferredLanguagesChanged(const Vector<String>&);
#endif
// Platform Helpers
void platformSetCacheModel(CacheModel);
// Connections to WebProcesses.
Vector<RefPtr<NetworkConnectionToWebProcess>> m_webProcessConnections;
String m_diskCacheDirectory;
bool m_hasSetCacheModel;
CacheModel m_cacheModel;
int64_t m_diskCacheSizeOverride { -1 };
bool m_diskCacheIsDisabledForTesting;
bool m_canHandleHTTPSServerTrustEvaluation;
typedef HashMap<const char*, std::unique_ptr<NetworkProcessSupplement>, PtrHash<const char*>> NetworkProcessSupplementMap;
NetworkProcessSupplementMap m_supplements;
#if PLATFORM(COCOA)
void platformInitializeNetworkProcessCocoa(const NetworkProcessCreationParameters&);
// FIXME: We'd like to be able to do this without the #ifdef, but WorkQueue + BinarySemaphore isn't good enough since
// multiple requests to clear the cache can come in before previous requests complete, and we need to wait for all of them.
// In the future using WorkQueue and a counting semaphore would work, as would WorkQueue supporting the libdispatch concept of "work groups".
dispatch_group_t m_clearCacheDispatchGroup;
#endif
#if PLATFORM(IOS)
WebSQLiteDatabaseTracker m_webSQLiteDatabaseTracker;
#endif
#if PLATFORM(QT)
QtNetworkAccessManager m_networkAccessManager;
#endif
};
} // namespace WebKit
#endif // NetworkProcess_h
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