Source/WebKit2/NetworkProcess/NetworkConnectionToWebProcess.cpp - third_party/webkit - Git at Google

 /*
  * Copyright (C) 2012-2016 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 "NetworkConnectionToWebProcess.h"

 #include "BlobDataFileReferenceWithSandboxExtension.h"
 #include "NetworkBlobRegistry.h"
 #include "NetworkConnectionToWebProcessMessages.h"
 #include "NetworkLoad.h"
 #include "NetworkProcess.h"
 #include "NetworkProcessConnectionMessages.h"
 #include "NetworkResourceLoadParameters.h"
 #include "NetworkResourceLoader.h"
 #include "NetworkResourceLoaderMessages.h"
 #include "RemoteNetworkingContext.h"
 #include "SessionTracker.h"
 #include "WebCoreArgumentCoders.h"
 #include <WebCore/NetworkStorageSession.h>
 #include <WebCore/PingHandle.h>
 #include <WebCore/PlatformCookieJar.h>
 #include <WebCore/ResourceLoaderOptions.h>
 #include <WebCore/ResourceRequest.h>
 #include <WebCore/SessionID.h>

 #if USE(NETWORK_SESSION)
 #include "PingLoad.h"
 #endif

 using namespace WebCore;

 namespace WebKit {

 Ref<NetworkConnectionToWebProcess> NetworkConnectionToWebProcess::create(IPC::Connection::Identifier connectionIdentifier)
 {
     return adoptRef(*new NetworkConnectionToWebProcess(connectionIdentifier));
 }

 NetworkConnectionToWebProcess::NetworkConnectionToWebProcess(IPC::Connection::Identifier connectionIdentifier)
     : m_connection(IPC::Connection::createServerConnection(connectionIdentifier, *this))
 {
     m_connection->open();
 }

 NetworkConnectionToWebProcess::~NetworkConnectionToWebProcess()
 {
 }

 void NetworkConnectionToWebProcess::didCleanupResourceLoader(NetworkResourceLoader& loader)
 {
     ASSERT(m_networkResourceLoaders.get(loader.identifier()) == &loader);

     m_networkResourceLoaders.remove(loader.identifier());
 }

 void NetworkConnectionToWebProcess::didReceiveMessage(IPC::Connection& connection, IPC::Decoder& decoder)
 {
     if (decoder.messageReceiverName() == Messages::NetworkConnectionToWebProcess::messageReceiverName()) {
         didReceiveNetworkConnectionToWebProcessMessage(connection, decoder);
         return;
     }

     if (decoder.messageReceiverName() == Messages::NetworkResourceLoader::messageReceiverName()) {
         HashMap<ResourceLoadIdentifier, RefPtr<NetworkResourceLoader>>::iterator loaderIterator = m_networkResourceLoaders.find(decoder.destinationID());
         if (loaderIterator != m_networkResourceLoaders.end())
             loaderIterator->value->didReceiveNetworkResourceLoaderMessage(connection, decoder);
         return;
     }

     ASSERT_NOT_REACHED();
 }

 void NetworkConnectionToWebProcess::didReceiveSyncMessage(IPC::Connection& connection, IPC::Decoder& decoder, std::unique_ptr<IPC::Encoder>& reply)
 {
     if (decoder.messageReceiverName() == Messages::NetworkConnectionToWebProcess::messageReceiverName()) {
         didReceiveSyncNetworkConnectionToWebProcessMessage(connection, decoder, reply);
         return;
     }
     ASSERT_NOT_REACHED();
 }

 void NetworkConnectionToWebProcess::didClose(IPC::Connection&)
 {
     // Protect ourself as we might be otherwise be deleted during this function.
     Ref<NetworkConnectionToWebProcess> protector(*this);

     Vector<RefPtr<NetworkResourceLoader>> loaders;
     copyValuesToVector(m_networkResourceLoaders, loaders);
     for (auto& loader : loaders)
         loader->abort();
     ASSERT(m_networkResourceLoaders.isEmpty());

     NetworkBlobRegistry::singleton().connectionToWebProcessDidClose(this);
     NetworkProcess::singleton().removeNetworkConnectionToWebProcess(this);
 }

 void NetworkConnectionToWebProcess::didReceiveInvalidMessage(IPC::Connection&, IPC::StringReference, IPC::StringReference)
 {
 }

 void NetworkConnectionToWebProcess::scheduleResourceLoad(const NetworkResourceLoadParameters& loadParameters)
 {
     auto loader = NetworkResourceLoader::create(loadParameters, *this);
     m_networkResourceLoaders.add(loadParameters.identifier, loader.ptr());
     loader->start();
 }

 void NetworkConnectionToWebProcess::performSynchronousLoad(const NetworkResourceLoadParameters& loadParameters, RefPtr<Messages::NetworkConnectionToWebProcess::PerformSynchronousLoad::DelayedReply>&& reply)
 {
     auto loader = NetworkResourceLoader::create(loadParameters, *this, WTFMove(reply));
     m_networkResourceLoaders.add(loadParameters.identifier, loader.ptr());
     loader->start();
 }

 void NetworkConnectionToWebProcess::loadPing(const NetworkResourceLoadParameters& loadParameters)
 {
 #if USE(NETWORK_SESSION)
     // PingLoad manages its own lifetime, deleting itself when its purpose has been fulfilled.
     new PingLoad(loadParameters);
 #else
     RefPtr<NetworkingContext> context = RemoteNetworkingContext::create(loadParameters.sessionID, loadParameters.shouldClearReferrerOnHTTPSToHTTPRedirect);

     // PingHandle manages its own lifetime, deleting itself when its purpose has been fulfilled.
     new PingHandle(context.get(), loadParameters.request, loadParameters.allowStoredCredentials == AllowStoredCredentials, PingHandle::UsesAsyncCallbacks::Yes);
 #endif
 }

 void NetworkConnectionToWebProcess::removeLoadIdentifier(ResourceLoadIdentifier identifier)
 {
     RefPtr<NetworkResourceLoader> loader = m_networkResourceLoaders.get(identifier);

     // It's possible we have no loader for this identifier if the NetworkProcess crashed and this was a respawned NetworkProcess.
     if (!loader)
         return;

     // Abort the load now, as the WebProcess won't be able to respond to messages any more which might lead
     // to leaked loader resources (connections, threads, etc).
     loader->abort();
     ASSERT(!m_networkResourceLoaders.contains(identifier));
 }

 void NetworkConnectionToWebProcess::setDefersLoading(ResourceLoadIdentifier identifier, bool defers)
 {
     RefPtr<NetworkResourceLoader> loader = m_networkResourceLoaders.get(identifier);
     if (!loader)
         return;

     loader->setDefersLoading(defers);
 }

 void NetworkConnectionToWebProcess::prefetchDNS(const String& hostname)
 {
     NetworkProcess::singleton().prefetchDNS(hostname);
 }

 static NetworkStorageSession& storageSession(SessionID sessionID)
 {
     if (sessionID.isEphemeral()) {
         if (auto* privateStorageSession = NetworkStorageSession::storageSession(sessionID))
             return *privateStorageSession;
         // Some requests with private browsing mode requested may still be coming shortly after NetworkProcess was told to destroy its session.
         // FIXME: Find a way to track private browsing sessions more rigorously.
         LOG_ERROR("Private browsing was requested, but there was no session for it. Please file a bug unless you just disabled private browsing, in which case it's an expected race.");
     }
     return NetworkStorageSession::defaultStorageSession();
 }

 void NetworkConnectionToWebProcess::startDownload(SessionID sessionID, DownloadID downloadID, const ResourceRequest& request, const String& suggestedName)
 {
     NetworkProcess::singleton().downloadManager().startDownload(sessionID, downloadID, request, suggestedName);
 }

 void NetworkConnectionToWebProcess::convertMainResourceLoadToDownload(SessionID sessionID, uint64_t mainResourceLoadIdentifier, DownloadID downloadID, const ResourceRequest& request, const ResourceResponse& response)
 {
     auto& networkProcess = NetworkProcess::singleton();
     if (!mainResourceLoadIdentifier) {
         networkProcess.downloadManager().startDownload(sessionID, downloadID, request);
         return;
     }

     NetworkResourceLoader* loader = m_networkResourceLoaders.get(mainResourceLoadIdentifier);
     if (!loader) {
         // If we're trying to download a blob here loader can be null.
         return;
     }

 #if USE(NETWORK_SESSION)
     if (!request.url().protocolIsBlob()) {
         loader->networkLoad()->convertTaskToDownload(downloadID, request, response);
         loader->didConvertToDownload();
         return;
     }
 #endif
     networkProcess.downloadManager().convertHandleToDownload(downloadID, loader->networkLoad()->handle(), request, response);

     // Unblock the URL connection operation queue.
     loader->networkLoad()->handle()->continueDidReceiveResponse();

     loader->didConvertToDownload();
 }

 void NetworkConnectionToWebProcess::cookiesForDOM(SessionID sessionID, const URL& firstParty, const URL& url, String& result)
 {
     result = WebCore::cookiesForDOM(storageSession(sessionID), firstParty, url);
 }

 void NetworkConnectionToWebProcess::setCookiesFromDOM(SessionID sessionID, const URL& firstParty, const URL& url, const String& cookieString)
 {
     WebCore::setCookiesFromDOM(storageSession(sessionID), firstParty, url, cookieString);
 }

 void NetworkConnectionToWebProcess::cookiesEnabled(SessionID sessionID, const URL& firstParty, const URL& url, bool& result)
 {
     result = WebCore::cookiesEnabled(storageSession(sessionID), firstParty, url);
 }

 void NetworkConnectionToWebProcess::cookieRequestHeaderFieldValue(SessionID sessionID, const URL& firstParty, const URL& url, String& result)
 {
     result = WebCore::cookieRequestHeaderFieldValue(storageSession(sessionID), firstParty, url);
 }

 void NetworkConnectionToWebProcess::getRawCookies(SessionID sessionID, const URL& firstParty, const URL& url, Vector<Cookie>& result)
 {
     WebCore::getRawCookies(storageSession(sessionID), firstParty, url, result);
 }

 void NetworkConnectionToWebProcess::deleteCookie(SessionID sessionID, const URL& url, const String& cookieName)
 {
     WebCore::deleteCookie(storageSession(sessionID), url, cookieName);
 }

 void NetworkConnectionToWebProcess::addCookie(SessionID sessionID, const URL& url, const Cookie& cookie)
 {
     WebCore::addCookie(storageSession(sessionID), url, cookie);
 }

 void NetworkConnectionToWebProcess::registerFileBlobURL(const URL& url, const String& path, const SandboxExtension::Handle& extensionHandle, const String& contentType)
 {
     RefPtr<SandboxExtension> extension = SandboxExtension::create(extensionHandle);

     NetworkBlobRegistry::singleton().registerFileBlobURL(this, url, path, WTFMove(extension), contentType);
 }

 void NetworkConnectionToWebProcess::registerBlobURL(const URL& url, Vector<BlobPart> blobParts, const String& contentType)
 {
     NetworkBlobRegistry::singleton().registerBlobURL(this, url, WTFMove(blobParts), contentType);
 }

 void NetworkConnectionToWebProcess::registerBlobURLFromURL(const URL& url, const URL& srcURL)
 {
     NetworkBlobRegistry::singleton().registerBlobURL(this, url, srcURL);
 }

 void NetworkConnectionToWebProcess::preregisterSandboxExtensionsForOptionallyFileBackedBlob(const Vector<String>& filePaths, const SandboxExtension::HandleArray& handles)
 {
 #if ENABLE(SANDBOX_EXTENSIONS)
     ASSERT(filePaths.size() == handles.size());

     for (size_t i = 0; i < filePaths.size(); ++i)
         m_blobDataFileReferences.add(filePaths[i], BlobDataFileReferenceWithSandboxExtension::create(filePaths[i], SandboxExtension::create(handles[i])));
 #else
     for (size_t i = 0; i < filePaths.size(); ++i)
         m_blobDataFileReferences.add(filePaths[i], BlobDataFileReferenceWithSandboxExtension::create(filePaths[i], nullptr));
 #endif
 }

 RefPtr<WebCore::BlobDataFileReference> NetworkConnectionToWebProcess::getBlobDataFileReferenceForPath(const String& path)
 {
     ASSERT(m_blobDataFileReferences.contains(path));
     return m_blobDataFileReferences.get(path);
 }

 void NetworkConnectionToWebProcess::registerBlobURLOptionallyFileBacked(const URL& url, const URL& srcURL, const String& fileBackedPath, const String& contentType)
 {
     NetworkBlobRegistry::singleton().registerBlobURLOptionallyFileBacked(this, url, srcURL, fileBackedPath, contentType);
 }

 void NetworkConnectionToWebProcess::registerBlobURLForSlice(const URL& url, const URL& srcURL, int64_t start, int64_t end)
 {
     NetworkBlobRegistry::singleton().registerBlobURLForSlice(this, url, srcURL, start, end);
 }

 void NetworkConnectionToWebProcess::unregisterBlobURL(const URL& url)
 {
     NetworkBlobRegistry::singleton().unregisterBlobURL(this, url);
 }

 void NetworkConnectionToWebProcess::blobSize(const URL& url, uint64_t& resultSize)
 {
     resultSize = NetworkBlobRegistry::singleton().blobSize(this, url);
 }

 void NetworkConnectionToWebProcess::writeBlobsToTemporaryFiles(const Vector<String>& blobURLs, uint64_t requestIdentifier)
 {
     Vector<RefPtr<BlobDataFileReference>> fileReferences;
     for (auto& url : blobURLs)
         fileReferences.appendVector(NetworkBlobRegistry::singleton().filesInBlob(*this, { ParsedURLString, url }));

     for (auto& file : fileReferences)
         file->prepareForFileAccess();

     NetworkBlobRegistry::singleton().writeBlobsToTemporaryFiles(blobURLs, [this, protectedThis = makeRef(*this), requestIdentifier, fileReferences = WTFMove(fileReferences)](auto& fileNames) mutable {
         for (auto& file : fileReferences)
             file->revokeFileAccess();

         NetworkProcess::singleton().grantSandboxExtensionsToDatabaseProcessForBlobs(fileNames, [this, protectedThis = WTFMove(protectedThis), requestIdentifier, fileNames]() {
             if (!m_connection->isValid())
                 return;

             m_connection->send(Messages::NetworkProcessConnection::DidWriteBlobsToTemporaryFiles(requestIdentifier, fileNames), 0);
         });
     });
 }

 void NetworkConnectionToWebProcess::ensureLegacyPrivateBrowsingSession()
 {
     NetworkProcess::singleton().ensurePrivateBrowsingSession(SessionID::legacyPrivateSessionID());
 }

 } // namespace WebKit
	/*
	* Copyright (C) 2012-2016 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 "NetworkConnectionToWebProcess.h"

	#include "BlobDataFileReferenceWithSandboxExtension.h"
	#include "NetworkBlobRegistry.h"
	#include "NetworkConnectionToWebProcessMessages.h"
	#include "NetworkLoad.h"
	#include "NetworkProcess.h"
	#include "NetworkProcessConnectionMessages.h"
	#include "NetworkResourceLoadParameters.h"
	#include "NetworkResourceLoader.h"
	#include "NetworkResourceLoaderMessages.h"
	#include "RemoteNetworkingContext.h"
	#include "SessionTracker.h"
	#include "WebCoreArgumentCoders.h"
	#include <WebCore/NetworkStorageSession.h>
	#include <WebCore/PingHandle.h>
	#include <WebCore/PlatformCookieJar.h>
	#include <WebCore/ResourceLoaderOptions.h>
	#include <WebCore/ResourceRequest.h>
	#include <WebCore/SessionID.h>

	#if USE(NETWORK_SESSION)
	#include "PingLoad.h"
	#endif

	using namespace WebCore;

	namespace WebKit {

	Ref<NetworkConnectionToWebProcess> NetworkConnectionToWebProcess::create(IPC::Connection::Identifier connectionIdentifier)
	{
	return adoptRef(*new NetworkConnectionToWebProcess(connectionIdentifier));
	}

	NetworkConnectionToWebProcess::NetworkConnectionToWebProcess(IPC::Connection::Identifier connectionIdentifier)
	: m_connection(IPC::Connection::createServerConnection(connectionIdentifier, *this))
	{
	m_connection->open();
	}

	NetworkConnectionToWebProcess::~NetworkConnectionToWebProcess()
	{
	}

	void NetworkConnectionToWebProcess::didCleanupResourceLoader(NetworkResourceLoader& loader)
	{
	ASSERT(m_networkResourceLoaders.get(loader.identifier()) == &loader);

	m_networkResourceLoaders.remove(loader.identifier());
	}

	void NetworkConnectionToWebProcess::didReceiveMessage(IPC::Connection& connection, IPC::Decoder& decoder)
	{
	if (decoder.messageReceiverName() == Messages::NetworkConnectionToWebProcess::messageReceiverName()) {
	didReceiveNetworkConnectionToWebProcessMessage(connection, decoder);
	return;
	}

	if (decoder.messageReceiverName() == Messages::NetworkResourceLoader::messageReceiverName()) {
	HashMap<ResourceLoadIdentifier, RefPtr<NetworkResourceLoader>>::iterator loaderIterator = m_networkResourceLoaders.find(decoder.destinationID());
	if (loaderIterator != m_networkResourceLoaders.end())
	loaderIterator->value->didReceiveNetworkResourceLoaderMessage(connection, decoder);
	return;
	}

	ASSERT_NOT_REACHED();
	}

	void NetworkConnectionToWebProcess::didReceiveSyncMessage(IPC::Connection& connection, IPC::Decoder& decoder, std::unique_ptr<IPC::Encoder>& reply)
	{
	if (decoder.messageReceiverName() == Messages::NetworkConnectionToWebProcess::messageReceiverName()) {
	didReceiveSyncNetworkConnectionToWebProcessMessage(connection, decoder, reply);
	return;
	}
	ASSERT_NOT_REACHED();
	}

	void NetworkConnectionToWebProcess::didClose(IPC::Connection&)
	{
	// Protect ourself as we might be otherwise be deleted during this function.
	Ref<NetworkConnectionToWebProcess> protector(*this);

	Vector<RefPtr<NetworkResourceLoader>> loaders;
	copyValuesToVector(m_networkResourceLoaders, loaders);
	for (auto& loader : loaders)
	loader->abort();
	ASSERT(m_networkResourceLoaders.isEmpty());

	NetworkBlobRegistry::singleton().connectionToWebProcessDidClose(this);
	NetworkProcess::singleton().removeNetworkConnectionToWebProcess(this);
	}

	void NetworkConnectionToWebProcess::didReceiveInvalidMessage(IPC::Connection&, IPC::StringReference, IPC::StringReference)
	{
	}

	void NetworkConnectionToWebProcess::scheduleResourceLoad(const NetworkResourceLoadParameters& loadParameters)
	{
	auto loader = NetworkResourceLoader::create(loadParameters, *this);
	m_networkResourceLoaders.add(loadParameters.identifier, loader.ptr());
	loader->start();
	}

	void NetworkConnectionToWebProcess::performSynchronousLoad(const NetworkResourceLoadParameters& loadParameters, RefPtr<Messages::NetworkConnectionToWebProcess::PerformSynchronousLoad::DelayedReply>&& reply)
	{
	auto loader = NetworkResourceLoader::create(loadParameters, *this, WTFMove(reply));
	m_networkResourceLoaders.add(loadParameters.identifier, loader.ptr());
	loader->start();
	}

	void NetworkConnectionToWebProcess::loadPing(const NetworkResourceLoadParameters& loadParameters)
	{
	#if USE(NETWORK_SESSION)
	// PingLoad manages its own lifetime, deleting itself when its purpose has been fulfilled.
	new PingLoad(loadParameters);
	#else
	RefPtr<NetworkingContext> context = RemoteNetworkingContext::create(loadParameters.sessionID, loadParameters.shouldClearReferrerOnHTTPSToHTTPRedirect);

	// PingHandle manages its own lifetime, deleting itself when its purpose has been fulfilled.
	new PingHandle(context.get(), loadParameters.request, loadParameters.allowStoredCredentials == AllowStoredCredentials, PingHandle::UsesAsyncCallbacks::Yes);
	#endif
	}

	void NetworkConnectionToWebProcess::removeLoadIdentifier(ResourceLoadIdentifier identifier)
	{
	RefPtr<NetworkResourceLoader> loader = m_networkResourceLoaders.get(identifier);

	// It's possible we have no loader for this identifier if the NetworkProcess crashed and this was a respawned NetworkProcess.
	if (!loader)
	return;

	// Abort the load now, as the WebProcess won't be able to respond to messages any more which might lead
	// to leaked loader resources (connections, threads, etc).
	loader->abort();
	ASSERT(!m_networkResourceLoaders.contains(identifier));
	}

	void NetworkConnectionToWebProcess::setDefersLoading(ResourceLoadIdentifier identifier, bool defers)
	{
	RefPtr<NetworkResourceLoader> loader = m_networkResourceLoaders.get(identifier);
	if (!loader)
	return;

	loader->setDefersLoading(defers);
	}

	void NetworkConnectionToWebProcess::prefetchDNS(const String& hostname)
	{
	NetworkProcess::singleton().prefetchDNS(hostname);
	}

	static NetworkStorageSession& storageSession(SessionID sessionID)
	{
	if (sessionID.isEphemeral()) {
	if (auto* privateStorageSession = NetworkStorageSession::storageSession(sessionID))
	return *privateStorageSession;
	// Some requests with private browsing mode requested may still be coming shortly after NetworkProcess was told to destroy its session.
	// FIXME: Find a way to track private browsing sessions more rigorously.
	LOG_ERROR("Private browsing was requested, but there was no session for it. Please file a bug unless you just disabled private browsing, in which case it's an expected race.");
	}
	return NetworkStorageSession::defaultStorageSession();
	}

	void NetworkConnectionToWebProcess::startDownload(SessionID sessionID, DownloadID downloadID, const ResourceRequest& request, const String& suggestedName)
	{
	NetworkProcess::singleton().downloadManager().startDownload(sessionID, downloadID, request, suggestedName);
	}

	void NetworkConnectionToWebProcess::convertMainResourceLoadToDownload(SessionID sessionID, uint64_t mainResourceLoadIdentifier, DownloadID downloadID, const ResourceRequest& request, const ResourceResponse& response)
	{
	auto& networkProcess = NetworkProcess::singleton();
	if (!mainResourceLoadIdentifier) {
	networkProcess.downloadManager().startDownload(sessionID, downloadID, request);
	return;
	}

	NetworkResourceLoader* loader = m_networkResourceLoaders.get(mainResourceLoadIdentifier);
	if (!loader) {
	// If we're trying to download a blob here loader can be null.
	return;
	}

	#if USE(NETWORK_SESSION)
	if (!request.url().protocolIsBlob()) {
	loader->networkLoad()->convertTaskToDownload(downloadID, request, response);
	loader->didConvertToDownload();
	return;
	}
	#endif
	networkProcess.downloadManager().convertHandleToDownload(downloadID, loader->networkLoad()->handle(), request, response);

	// Unblock the URL connection operation queue.
	loader->networkLoad()->handle()->continueDidReceiveResponse();

	loader->didConvertToDownload();
	}

	void NetworkConnectionToWebProcess::cookiesForDOM(SessionID sessionID, const URL& firstParty, const URL& url, String& result)
	{
	result = WebCore::cookiesForDOM(storageSession(sessionID), firstParty, url);
	}

	void NetworkConnectionToWebProcess::setCookiesFromDOM(SessionID sessionID, const URL& firstParty, const URL& url, const String& cookieString)
	{
	WebCore::setCookiesFromDOM(storageSession(sessionID), firstParty, url, cookieString);
	}

	void NetworkConnectionToWebProcess::cookiesEnabled(SessionID sessionID, const URL& firstParty, const URL& url, bool& result)
	{
	result = WebCore::cookiesEnabled(storageSession(sessionID), firstParty, url);
	}

	void NetworkConnectionToWebProcess::cookieRequestHeaderFieldValue(SessionID sessionID, const URL& firstParty, const URL& url, String& result)
	{
	result = WebCore::cookieRequestHeaderFieldValue(storageSession(sessionID), firstParty, url);
	}

	void NetworkConnectionToWebProcess::getRawCookies(SessionID sessionID, const URL& firstParty, const URL& url, Vector<Cookie>& result)
	{
	WebCore::getRawCookies(storageSession(sessionID), firstParty, url, result);
	}

	void NetworkConnectionToWebProcess::deleteCookie(SessionID sessionID, const URL& url, const String& cookieName)
	{
	WebCore::deleteCookie(storageSession(sessionID), url, cookieName);
	}

	void NetworkConnectionToWebProcess::addCookie(SessionID sessionID, const URL& url, const Cookie& cookie)
	{
	WebCore::addCookie(storageSession(sessionID), url, cookie);
	}

	void NetworkConnectionToWebProcess::registerFileBlobURL(const URL& url, const String& path, const SandboxExtension::Handle& extensionHandle, const String& contentType)
	{
	RefPtr<SandboxExtension> extension = SandboxExtension::create(extensionHandle);

	NetworkBlobRegistry::singleton().registerFileBlobURL(this, url, path, WTFMove(extension), contentType);
	}

	void NetworkConnectionToWebProcess::registerBlobURL(const URL& url, Vector<BlobPart> blobParts, const String& contentType)
	{
	NetworkBlobRegistry::singleton().registerBlobURL(this, url, WTFMove(blobParts), contentType);
	}

	void NetworkConnectionToWebProcess::registerBlobURLFromURL(const URL& url, const URL& srcURL)
	{
	NetworkBlobRegistry::singleton().registerBlobURL(this, url, srcURL);
	}

	void NetworkConnectionToWebProcess::preregisterSandboxExtensionsForOptionallyFileBackedBlob(const Vector<String>& filePaths, const SandboxExtension::HandleArray& handles)
	{
	#if ENABLE(SANDBOX_EXTENSIONS)
	ASSERT(filePaths.size() == handles.size());

	for (size_t i = 0; i < filePaths.size(); ++i)
	m_blobDataFileReferences.add(filePaths[i], BlobDataFileReferenceWithSandboxExtension::create(filePaths[i], SandboxExtension::create(handles[i])));
	#else
	for (size_t i = 0; i < filePaths.size(); ++i)
	m_blobDataFileReferences.add(filePaths[i], BlobDataFileReferenceWithSandboxExtension::create(filePaths[i], nullptr));
	#endif
	}

	RefPtr<WebCore::BlobDataFileReference> NetworkConnectionToWebProcess::getBlobDataFileReferenceForPath(const String& path)
	{
	ASSERT(m_blobDataFileReferences.contains(path));
	return m_blobDataFileReferences.get(path);
	}

	void NetworkConnectionToWebProcess::registerBlobURLOptionallyFileBacked(const URL& url, const URL& srcURL, const String& fileBackedPath, const String& contentType)
	{
	NetworkBlobRegistry::singleton().registerBlobURLOptionallyFileBacked(this, url, srcURL, fileBackedPath, contentType);
	}

	void NetworkConnectionToWebProcess::registerBlobURLForSlice(const URL& url, const URL& srcURL, int64_t start, int64_t end)
	{
	NetworkBlobRegistry::singleton().registerBlobURLForSlice(this, url, srcURL, start, end);
	}

	void NetworkConnectionToWebProcess::unregisterBlobURL(const URL& url)
	{
	NetworkBlobRegistry::singleton().unregisterBlobURL(this, url);
	}

	void NetworkConnectionToWebProcess::blobSize(const URL& url, uint64_t& resultSize)
	{
	resultSize = NetworkBlobRegistry::singleton().blobSize(this, url);
	}

	void NetworkConnectionToWebProcess::writeBlobsToTemporaryFiles(const Vector<String>& blobURLs, uint64_t requestIdentifier)
	{
	Vector<RefPtr<BlobDataFileReference>> fileReferences;
	for (auto& url : blobURLs)
	fileReferences.appendVector(NetworkBlobRegistry::singleton().filesInBlob(*this, { ParsedURLString, url }));

	for (auto& file : fileReferences)
	file->prepareForFileAccess();

	NetworkBlobRegistry::singleton().writeBlobsToTemporaryFiles(blobURLs, [this, protectedThis = makeRef(*this), requestIdentifier, fileReferences = WTFMove(fileReferences)](auto& fileNames) mutable {
	for (auto& file : fileReferences)
	file->revokeFileAccess();

	NetworkProcess::singleton().grantSandboxExtensionsToDatabaseProcessForBlobs(fileNames, [this, protectedThis = WTFMove(protectedThis), requestIdentifier, fileNames]() {
	if (!m_connection->isValid())
	return;

	m_connection->send(Messages::NetworkProcessConnection::DidWriteBlobsToTemporaryFiles(requestIdentifier, fileNames), 0);
	});
	});
	}

	void NetworkConnectionToWebProcess::ensureLegacyPrivateBrowsingSession()
	{
	NetworkProcess::singleton().ensurePrivateBrowsingSession(SessionID::legacyPrivateSessionID());
	}

	} // namespace WebKit