Source/WebKit/NetworkProcess/NetworkProcess.cpp

   1 /*
   2  * Copyright (C) 2012-2017 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  23  * THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27 #include "NetworkProcess.h"
  28
  29 #include "ArgumentCoders.h"
  30 #include "Attachment.h"
  31 #include "AuthenticationManager.h"
  32 #include "ChildProcessMessages.h"
  33 #include "DataReference.h"
  34 #include "DownloadProxyMessages.h"
  35 #include "LegacyCustomProtocolManager.h"
  36 #include "Logging.h"
  37 #include "NetworkConnectionToWebProcess.h"
  38 #include "NetworkProcessCreationParameters.h"
  39 #include "NetworkProcessPlatformStrategies.h"
  40 #include "NetworkProcessProxyMessages.h"
  41 #include "NetworkResourceLoader.h"
  42 #include "NetworkSession.h"
  43 #include "RemoteNetworkingContext.h"
  44 #include "SessionTracker.h"
  45 #include "StatisticsData.h"
  46 #include "WebCookieManager.h"
  47 #include "WebCoreArgumentCoders.h"
  48 #include "WebPageProxyMessages.h"
  49 #include "WebProcessPoolMessages.h"
  50 #include "WebsiteData.h"
  51 #include "WebsiteDataFetchOption.h"
  52 #include "WebsiteDataStoreParameters.h"
  53 #include "WebsiteDataType.h"
  54 #include <WebCore/DNS.h>
  55 #include <WebCore/DiagnosticLoggingClient.h>
  56 #include <WebCore/LogInitialization.h>
  57 #include <WebCore/MIMETypeRegistry.h>
  58 #include <WebCore/NetworkStorageSession.h>
  59 #include <WebCore/PlatformCookieJar.h>
  60 #include <WebCore/ResourceRequest.h>
  61 #include <WebCore/RuntimeApplicationChecks.h>
  62 #include <WebCore/SecurityOriginData.h>
  63 #include <WebCore/SecurityOriginHash.h>
  64 #include <WebCore/Settings.h>
  65 #include <WebCore/URLParser.h>
  66 #include <pal/SessionID.h>
  67 #include <wtf/OptionSet.h>
  68 #include <wtf/RunLoop.h>
  69 #include <wtf/text/CString.h>
  70
  71 #if ENABLE(SEC_ITEM_SHIM)
  72 #include "SecItemShim.h"
  73 #endif
  74
  75 #if ENABLE(NETWORK_CACHE)
  76 #include "NetworkCache.h"
  77 #include "NetworkCacheCoders.h"
  78 #endif
  79
  80 #if ENABLE(NETWORK_CAPTURE)
  81 #include "NetworkCaptureManager.h"
  82 #endif
  83
  84 #if PLATFORM(COCOA)
  85 #include "NetworkSessionCocoa.h"
  86 #endif
  87
  88 using namespace WebCore;
  89
  90 namespace WebKit {
  91
  92 NetworkProcess& NetworkProcess::singleton()
  93 {
  94     static NeverDestroyed<NetworkProcess> networkProcess;
  95     return networkProcess;
  96 }
  97
  98 NetworkProcess::NetworkProcess()
  99     : m_hasSetCacheModel(false)
 100     , m_cacheModel(CacheModelDocumentViewer)
 101     , m_diskCacheIsDisabledForTesting(false)
 102     , m_canHandleHTTPSServerTrustEvaluation(true)
 103 #if PLATFORM(COCOA)
 104     , m_clearCacheDispatchGroup(0)
 105 #endif
 106 #if PLATFORM(IOS)
 107     , m_webSQLiteDatabaseTracker(*this)
 108 #endif
 109 {
 110     NetworkProcessPlatformStrategies::initialize();
 111
 112     addSupplement<AuthenticationManager>();
 113     addSupplement<WebCookieManager>();
 114     addSupplement<LegacyCustomProtocolManager>();
 115 #if USE(NETWORK_SESSION) && PLATFORM(COCOA)
 116     NetworkSessionCocoa::setLegacyCustomProtocolManager(supplement<LegacyCustomProtocolManager>());
 117 #endif
 118 }
 119
 120 NetworkProcess::~NetworkProcess()
 121 {
 122 }
 123
 124 AuthenticationManager& NetworkProcess::authenticationManager()
 125 {
 126     return *supplement<AuthenticationManager>();
 127 }
 128
 129 DownloadManager& NetworkProcess::downloadManager()
 130 {
 131     static NeverDestroyed<DownloadManager> downloadManager(*this);
 132     return downloadManager;
 133 }
 134
 135 void NetworkProcess::removeNetworkConnectionToWebProcess(NetworkConnectionToWebProcess* connection)
 136 {
 137     size_t vectorIndex = m_webProcessConnections.find(connection);
 138     ASSERT(vectorIndex != notFound);
 139
 140     m_webProcessConnections.remove(vectorIndex);
 141 }
 142
 143 bool NetworkProcess::shouldTerminate()
 144 {
 145     // Network process keeps session cookies and credentials, so it should never terminate (as long as UI process connection is alive).
 146     return false;
 147 }
 148
 149 void NetworkProcess::didReceiveMessage(IPC::Connection& connection, IPC::Decoder& decoder)
 150 {
 151     if (messageReceiverMap().dispatchMessage(connection, decoder))
 152         return;
 153
 154     if (decoder.messageReceiverName() == Messages::ChildProcess::messageReceiverName()) {
 155         ChildProcess::didReceiveMessage(connection, decoder);
 156         return;
 157     }
 158
 159     didReceiveNetworkProcessMessage(connection, decoder);
 160 }
 161
 162 void NetworkProcess::didReceiveSyncMessage(IPC::Connection& connection, IPC::Decoder& decoder, std::unique_ptr<IPC::Encoder>& replyEncoder)
 163 {
 164     if (messageReceiverMap().dispatchSyncMessage(connection, decoder, replyEncoder))
 165         return;
 166
 167     didReceiveSyncNetworkProcessMessage(connection, decoder, replyEncoder);
 168 }
 169
 170 void NetworkProcess::didClose(IPC::Connection&)
 171 {
 172     // The UIProcess just exited.
 173     stopRunLoop();
 174 }
 175
 176 void NetworkProcess::didCreateDownload()
 177 {
 178     disableTermination();
 179 }
 180
 181 void NetworkProcess::didDestroyDownload()
 182 {
 183     enableTermination();
 184 }
 185
 186 IPC::Connection* NetworkProcess::downloadProxyConnection()
 187 {
 188     return parentProcessConnection();
 189 }
 190
 191 AuthenticationManager& NetworkProcess::downloadsAuthenticationManager()
 192 {
 193     return authenticationManager();
 194 }
 195
 196 void NetworkProcess::lowMemoryHandler(Critical critical)
 197 {
 198     if (m_suppressMemoryPressureHandler)
 199         return;
 200
 201     WTF::releaseFastMallocFreeMemory();
 202 }
 203
 204 void NetworkProcess::initializeNetworkProcess(NetworkProcessCreationParameters&& parameters)
 205 {
 206     WebCore::setPresentingApplicationPID(parameters.presentingApplicationPID);
 207     platformInitializeNetworkProcess(parameters);
 208
 209     WTF::Thread::setCurrentThreadIsUserInitiated();
 210
 211     m_suppressMemoryPressureHandler = parameters.shouldSuppressMemoryPressureHandler;
 212     m_loadThrottleLatency = parameters.loadThrottleLatency;
 213     if (!m_suppressMemoryPressureHandler) {
 214         auto& memoryPressureHandler = MemoryPressureHandler::singleton();
 215 #if OS(LINUX)
 216         if (parameters.memoryPressureMonitorHandle.fileDescriptor() != -1)
 217             memoryPressureHandler.setMemoryPressureMonitorHandle(parameters.memoryPressureMonitorHandle.releaseFileDescriptor());
 218 #endif
 219         memoryPressureHandler.setLowMemoryHandler([this] (Critical critical, Synchronous) {
 220             lowMemoryHandler(critical);
 221         });
 222         memoryPressureHandler.install();
 223     }
 224
 225 #if ENABLE(NETWORK_CAPTURE)
 226     NetworkCapture::Manager::singleton().initialize(
 227         parameters.recordReplayMode,
 228         parameters.recordReplayCacheLocation);
 229 #endif
 230
 231     m_diskCacheIsDisabledForTesting = parameters.shouldUseTestingNetworkSession;
 232
 233     m_diskCacheSizeOverride = parameters.diskCacheSizeOverride;
 234     setCacheModel(static_cast<uint32_t>(parameters.cacheModel));
 235
 236     setCanHandleHTTPSServerTrustEvaluation(parameters.canHandleHTTPSServerTrustEvaluation);
 237
 238     // FIXME: instead of handling this here, a message should be sent later (scales to multiple sessions)
 239     if (parameters.privateBrowsingEnabled)
 240         RemoteNetworkingContext::ensurePrivateBrowsingSession({PAL::SessionID::legacyPrivateSessionID(), { }, { }, { }, { }, { }});
 241
 242     if (parameters.shouldUseTestingNetworkSession)
 243         NetworkStorageSession::switchToNewTestingSession();
 244
 245     for (auto& supplement : m_supplements.values())
 246         supplement->initialize(parameters);
 247 }
 248
 249 void NetworkProcess::initializeConnection(IPC::Connection* connection)
 250 {
 251     ChildProcess::initializeConnection(connection);
 252
 253     for (auto& supplement : m_supplements.values())
 254         supplement->initializeConnection(connection);
 255 }
 256
 257 void NetworkProcess::createNetworkConnectionToWebProcess()
 258 {
 259 #if USE(UNIX_DOMAIN_SOCKETS)
 260     IPC::Connection::SocketPair socketPair = IPC::Connection::createPlatformConnection();
 261
 262     auto connection = NetworkConnectionToWebProcess::create(socketPair.server);
 263     m_webProcessConnections.append(WTFMove(connection));
 264
 265     IPC::Attachment clientSocket(socketPair.client);
 266     parentProcessConnection()->send(Messages::NetworkProcessProxy::DidCreateNetworkConnectionToWebProcess(clientSocket), 0);
 267 #elif OS(DARWIN)
 268     // Create the listening port.
 269     mach_port_t listeningPort;
 270     mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &listeningPort);
 271
 272     // Create a listening connection.
 273     auto connection = NetworkConnectionToWebProcess::create(IPC::Connection::Identifier(listeningPort));
 274     m_webProcessConnections.append(WTFMove(connection));
 275
 276     IPC::Attachment clientPort(listeningPort, MACH_MSG_TYPE_MAKE_SEND);
 277     parentProcessConnection()->send(Messages::NetworkProcessProxy::DidCreateNetworkConnectionToWebProcess(clientPort), 0);
 278 #else
 279     notImplemented();
 280 #endif
 281 }
 282
 283 void NetworkProcess::clearCachedCredentials()
 284 {
 285     NetworkStorageSession::defaultStorageSession().credentialStorage().clearCredentials();
 286 #if USE(NETWORK_SESSION)
 287     NetworkSession::defaultSession().clearCredentials();
 288 #endif
 289 }
 290
 291 void NetworkProcess::ensurePrivateBrowsingSession(WebsiteDataStoreParameters&& parameters)
 292 {
 293     RemoteNetworkingContext::ensurePrivateBrowsingSession(WTFMove(parameters));
 294 }
 295
 296 void NetworkProcess::addWebsiteDataStore(WebsiteDataStoreParameters&& parameters)
 297 {
 298     RemoteNetworkingContext::ensureWebsiteDataStoreSession(WTFMove(parameters));
 299 }
 300
 301 void NetworkProcess::destroySession(PAL::SessionID sessionID)
 302 {
 303     SessionTracker::destroySession(sessionID);
 304 }
 305
 306 void NetworkProcess::grantSandboxExtensionsToStorageProcessForBlobs(const Vector<String>& filenames, Function<void ()>&& completionHandler)
 307 {
 308     static uint64_t lastRequestID;
 309
 310     uint64_t requestID = ++lastRequestID;
 311     m_sandboxExtensionForBlobsCompletionHandlers.set(requestID, WTFMove(completionHandler));
 312     parentProcessConnection()->send(Messages::NetworkProcessProxy::GrantSandboxExtensionsToStorageProcessForBlobs(requestID, filenames), 0);
 313 }
 314
 315 void NetworkProcess::didGrantSandboxExtensionsToStorageProcessForBlobs(uint64_t requestID)
 316 {
 317     if (auto handler = m_sandboxExtensionForBlobsCompletionHandlers.take(requestID))
 318         handler();
 319 }
 320
 321 #if HAVE(CFNETWORK_STORAGE_PARTITIONING)
 322 void NetworkProcess::updateCookiePartitioningForTopPrivatelyOwnedDomains(PAL::SessionID sessionID, const Vector<String>& domainsToRemove, const Vector<String>& domainsToAdd,  bool shouldClearFirst)
 323 {
 324     if (auto* networkStorageSession = NetworkStorageSession::storageSession(sessionID))
 325         networkStorageSession->setShouldPartitionCookiesForHosts(domainsToRemove, domainsToAdd, shouldClearFirst);
 326 }
 327 #endif
 328
 329 static void fetchDiskCacheEntries(PAL::SessionID sessionID, OptionSet<WebsiteDataFetchOption> fetchOptions, Function<void (Vector<WebsiteData::Entry>)>&& completionHandler)
 330 {
 331 #if ENABLE(NETWORK_CACHE)
 332     if (auto* cache = NetworkProcess::singleton().cache()) {
 333         HashMap<SecurityOriginData, uint64_t> originsAndSizes;
 334         cache->traverse([fetchOptions, completionHandler = WTFMove(completionHandler), originsAndSizes = WTFMove(originsAndSizes)](auto* traversalEntry) mutable {
 335             if (!traversalEntry) {
 336                 Vector<WebsiteData::Entry> entries;
 337
 338                 for (auto& originAndSize : originsAndSizes)
 339                     entries.append(WebsiteData::Entry { originAndSize.key, WebsiteDataType::DiskCache, originAndSize.value });
 340
 341                 RunLoop::main().dispatch([completionHandler = WTFMove(completionHandler), entries = WTFMove(entries)] {
 342                     completionHandler(entries);
 343                 });
 344
 345                 return;
 346             }
 347
 348             auto url = traversalEntry->entry.response().url();
 349             auto result = originsAndSizes.add({url.protocol().toString(), url.host(), url.port()}, 0);
 350
 351             if (fetchOptions.contains(WebsiteDataFetchOption::ComputeSizes))
 352                 result.iterator->value += traversalEntry->entry.sourceStorageRecord().header.size() + traversalEntry->recordInfo.bodySize;
 353         });
 354
 355         return;
 356     }
 357 #endif
 358
 359     RunLoop::main().dispatch([completionHandler = WTFMove(completionHandler)] {
 360         completionHandler({ });
 361     });
 362 }
 363
 364 void NetworkProcess::fetchWebsiteData(PAL::SessionID sessionID, OptionSet<WebsiteDataType> websiteDataTypes, OptionSet<WebsiteDataFetchOption> fetchOptions, uint64_t callbackID)
 365 {
 366     struct CallbackAggregator final : public RefCounted<CallbackAggregator> {
 367         explicit CallbackAggregator(Function<void (WebsiteData)>&& completionHandler)
 368             : m_completionHandler(WTFMove(completionHandler))
 369         {
 370         }
 371
 372         ~CallbackAggregator()
 373         {
 374             ASSERT(RunLoop::isMain());
 375
 376             RunLoop::main().dispatch([completionHandler = WTFMove(m_completionHandler), websiteData = WTFMove(m_websiteData)] {
 377                 completionHandler(websiteData);
 378             });
 379         }
 380
 381         Function<void (WebsiteData)> m_completionHandler;
 382         WebsiteData m_websiteData;
 383     };
 384
 385     auto callbackAggregator = adoptRef(*new CallbackAggregator([this, callbackID] (WebsiteData websiteData) {
 386         parentProcessConnection()->send(Messages::NetworkProcessProxy::DidFetchWebsiteData(callbackID, websiteData), 0);
 387     }));
 388
 389     if (websiteDataTypes.contains(WebsiteDataType::Cookies)) {
 390         if (auto* networkStorageSession = NetworkStorageSession::storageSession(sessionID))
 391             getHostnamesWithCookies(*networkStorageSession, callbackAggregator->m_websiteData.hostNamesWithCookies);
 392     }
 393
 394     if (websiteDataTypes.contains(WebsiteDataType::Credentials)) {
 395         if (NetworkStorageSession::storageSession(sessionID))
 396             callbackAggregator->m_websiteData.originsWithCredentials = NetworkStorageSession::storageSession(sessionID)->credentialStorage().originsWithCredentials();
 397     }
 398
 399     if (websiteDataTypes.contains(WebsiteDataType::DiskCache)) {
 400         fetchDiskCacheEntries(sessionID, fetchOptions, [callbackAggregator = WTFMove(callbackAggregator)](auto entries) mutable {
 401             callbackAggregator->m_websiteData.entries.appendVector(entries);
 402         });
 403     }
 404 }
 405
 406 void NetworkProcess::deleteWebsiteData(PAL::SessionID sessionID, OptionSet<WebsiteDataType> websiteDataTypes, std::chrono::system_clock::time_point modifiedSince, uint64_t callbackID)
 407 {
 408 #if PLATFORM(COCOA)
 409     if (websiteDataTypes.contains(WebsiteDataType::HSTSCache)) {
 410         if (auto* networkStorageSession = NetworkStorageSession::storageSession(sessionID))
 411             clearHSTSCache(*networkStorageSession, modifiedSince);
 412     }
 413 #endif
 414
 415     if (websiteDataTypes.contains(WebsiteDataType::Cookies)) {
 416         if (auto* networkStorageSession = NetworkStorageSession::storageSession(sessionID))
 417             deleteAllCookiesModifiedSince(*networkStorageSession, modifiedSince);
 418     }
 419
 420     if (websiteDataTypes.contains(WebsiteDataType::Credentials)) {
 421         if (NetworkStorageSession::storageSession(sessionID))
 422             NetworkStorageSession::storageSession(sessionID)->credentialStorage().clearCredentials();
 423     }
 424
 425     auto completionHandler = [this, callbackID] {
 426         parentProcessConnection()->send(Messages::NetworkProcessProxy::DidDeleteWebsiteData(callbackID), 0);
 427     };
 428
 429     if (websiteDataTypes.contains(WebsiteDataType::DiskCache) && !sessionID.isEphemeral()) {
 430         clearDiskCache(modifiedSince, WTFMove(completionHandler));
 431         return;
 432     }
 433
 434     completionHandler();
 435 }
 436
 437 static void clearDiskCacheEntries(const Vector<SecurityOriginData>& origins, Function<void ()>&& completionHandler)
 438 {
 439 #if ENABLE(NETWORK_CACHE)
 440     if (auto* cache = NetworkProcess::singleton().cache()) {
 441         HashSet<RefPtr<SecurityOrigin>> originsToDelete;
 442         for (auto& origin : origins)
 443             originsToDelete.add(origin.securityOrigin());
 444
 445         Vector<NetworkCache::Key> cacheKeysToDelete;
 446         cache->traverse([cache, completionHandler = WTFMove(completionHandler), originsToDelete = WTFMove(originsToDelete), cacheKeysToDelete = WTFMove(cacheKeysToDelete)](auto* traversalEntry) mutable {
 447             if (traversalEntry) {
 448                 if (originsToDelete.contains(SecurityOrigin::create(traversalEntry->entry.response().url())))
 449                     cacheKeysToDelete.append(traversalEntry->entry.key());
 450                 return;
 451             }
 452
 453             cache->remove(cacheKeysToDelete, WTFMove(completionHandler));
 454             return;
 455         });
 456
 457         return;
 458     }
 459 #endif
 460
 461     RunLoop::main().dispatch(WTFMove(completionHandler));
 462 }
 463
 464 void NetworkProcess::deleteWebsiteDataForOrigins(PAL::SessionID sessionID, OptionSet<WebsiteDataType> websiteDataTypes, const Vector<SecurityOriginData>& origins, const Vector<String>& cookieHostNames, uint64_t callbackID)
 465 {
 466     if (websiteDataTypes.contains(WebsiteDataType::Cookies)) {
 467         if (auto* networkStorageSession = NetworkStorageSession::storageSession(sessionID))
 468             deleteCookiesForHostnames(*networkStorageSession, cookieHostNames);
 469     }
 470
 471     auto completionHandler = [this, callbackID] {
 472         parentProcessConnection()->send(Messages::NetworkProcessProxy::DidDeleteWebsiteDataForOrigins(callbackID), 0);
 473     };
 474
 475     if (websiteDataTypes.contains(WebsiteDataType::DiskCache) && !sessionID.isEphemeral()) {
 476         clearDiskCacheEntries(origins, WTFMove(completionHandler));
 477         return;
 478     }
 479
 480     completionHandler();
 481 }
 482
 483 void NetworkProcess::downloadRequest(PAL::SessionID sessionID, DownloadID downloadID, const ResourceRequest& request, const String& suggestedFilename)
 484 {
 485     downloadManager().startDownload(nullptr, sessionID, downloadID, request, suggestedFilename);
 486 }
 487
 488 void NetworkProcess::resumeDownload(PAL::SessionID sessionID, DownloadID downloadID, const IPC::DataReference& resumeData, const String& path, const WebKit::SandboxExtension::Handle& sandboxExtensionHandle)
 489 {
 490     downloadManager().resumeDownload(sessionID, downloadID, resumeData, path, sandboxExtensionHandle);
 491 }
 492
 493 void NetworkProcess::cancelDownload(DownloadID downloadID)
 494 {
 495     downloadManager().cancelDownload(downloadID);
 496 }
 497
 498 #if USE(PROTECTION_SPACE_AUTH_CALLBACK)
 499 void NetworkProcess::canAuthenticateAgainstProtectionSpace(NetworkResourceLoader& loader, const WebCore::ProtectionSpace& protectionSpace)
 500 {
 501     static uint64_t lastLoaderID = 0;
 502     uint64_t loaderID = ++lastLoaderID;
 503     m_waitingNetworkResourceLoaders.set(lastLoaderID, loader);
 504     parentProcessConnection()->send(Messages::NetworkProcessProxy::CanAuthenticateAgainstProtectionSpace(loaderID, loader.pageID(), loader.frameID(), protectionSpace), 0);
 505 }
 506
 507 void NetworkProcess::continueCanAuthenticateAgainstProtectionSpace(uint64_t loaderID, bool canAuthenticate)
 508 {
 509     m_waitingNetworkResourceLoaders.take(loaderID).value()->continueCanAuthenticateAgainstProtectionSpace(canAuthenticate);
 510 }
 511 #endif
 512
 513 #if USE(NETWORK_SESSION)
 514 #if USE(PROTECTION_SPACE_AUTH_CALLBACK)
 515 void NetworkProcess::continueCanAuthenticateAgainstProtectionSpaceDownload(DownloadID downloadID, bool canAuthenticate)
 516 {
 517     downloadManager().continueCanAuthenticateAgainstProtectionSpace(downloadID, canAuthenticate);
 518 }
 519 #endif
 520
 521 void NetworkProcess::continueWillSendRequest(DownloadID downloadID, WebCore::ResourceRequest&& request)
 522 {
 523     downloadManager().continueWillSendRequest(downloadID, WTFMove(request));
 524 }
 525
 526 void NetworkProcess::pendingDownloadCanceled(DownloadID downloadID)
 527 {
 528     downloadProxyConnection()->send(Messages::DownloadProxy::DidCancel({ }), downloadID.downloadID());
 529 }
 530
 531 void NetworkProcess::findPendingDownloadLocation(NetworkDataTask& networkDataTask, ResponseCompletionHandler&& completionHandler, const ResourceResponse& response)
 532 {
 533     uint64_t destinationID = networkDataTask.pendingDownloadID().downloadID();
 534     downloadProxyConnection()->send(Messages::DownloadProxy::DidReceiveResponse(response), destinationID);
 535
 536     downloadManager().willDecidePendingDownloadDestination(networkDataTask, WTFMove(completionHandler));
 537
 538     // As per https://html.spec.whatwg.org/#as-a-download (step 2), the filename from the Content-Disposition header
 539     // should override the suggested filename from the download attribute.
 540     String suggestedFilename = response.isAttachmentWithFilename() ? response.suggestedFilename() : networkDataTask.suggestedFilename();
 541     suggestedFilename = MIMETypeRegistry::appendFileExtensionIfNecessary(suggestedFilename, response.mimeType());
 542
 543     downloadProxyConnection()->send(Messages::DownloadProxy::DecideDestinationWithSuggestedFilenameAsync(networkDataTask.pendingDownloadID(), suggestedFilename), destinationID);
 544 }
 545 #endif
 546
 547 void NetworkProcess::continueDecidePendingDownloadDestination(DownloadID downloadID, String destination, const SandboxExtension::Handle& sandboxExtensionHandle, bool allowOverwrite)
 548 {
 549     if (destination.isEmpty())
 550         downloadManager().cancelDownload(downloadID);
 551     else
 552         downloadManager().continueDecidePendingDownloadDestination(downloadID, destination, sandboxExtensionHandle, allowOverwrite);
 553 }
 554
 555 void NetworkProcess::setCacheModel(uint32_t cm)
 556 {
 557     CacheModel cacheModel = static_cast<CacheModel>(cm);
 558
 559     if (m_hasSetCacheModel && (cacheModel == m_cacheModel))
 560         return;
 561
 562     m_hasSetCacheModel = true;
 563     m_cacheModel = cacheModel;
 564
 565     unsigned urlCacheMemoryCapacity = 0;
 566     uint64_t urlCacheDiskCapacity = 0;
 567     uint64_t diskFreeSize = 0;
 568     if (WebCore::getVolumeFreeSpace(m_diskCacheDirectory, diskFreeSize)) {
 569         // As a fudge factor, use 1000 instead of 1024, in case the reported byte
 570         // count doesn't align exactly to a megabyte boundary.
 571         diskFreeSize /= KB * 1000;
 572         calculateURLCacheSizes(cacheModel, diskFreeSize, urlCacheMemoryCapacity, urlCacheDiskCapacity);
 573     }
 574
 575     if (m_diskCacheSizeOverride >= 0)
 576         urlCacheDiskCapacity = m_diskCacheSizeOverride;
 577
 578 #if ENABLE(NETWORK_CACHE)
 579     if (m_cache) {
 580         m_cache->setCapacity(urlCacheDiskCapacity);
 581         return;
 582     }
 583 #endif
 584
 585     platformSetURLCacheSize(urlCacheMemoryCapacity, urlCacheDiskCapacity);
 586 }
 587
 588 void NetworkProcess::setCanHandleHTTPSServerTrustEvaluation(bool value)
 589 {
 590     m_canHandleHTTPSServerTrustEvaluation = value;
 591 }
 592
 593 void NetworkProcess::getNetworkProcessStatistics(uint64_t callbackID)
 594 {
 595     StatisticsData data;
 596
 597     auto& networkProcess = NetworkProcess::singleton();
 598     data.statisticsNumbers.set("DownloadsActiveCount", networkProcess.downloadManager().activeDownloadCount());
 599     data.statisticsNumbers.set("OutstandingAuthenticationChallengesCount", networkProcess.authenticationManager().outstandingAuthenticationChallengeCount());
 600
 601     parentProcessConnection()->send(Messages::WebProcessPool::DidGetStatistics(data, callbackID), 0);
 602 }
 603
 604 void NetworkProcess::setAllowsAnySSLCertificateForWebSocket(bool allows)
 605 {
 606     Settings::setAllowsAnySSLCertificate(allows);
 607 }
 608
 609 void NetworkProcess::logDiagnosticMessage(uint64_t webPageID, const String& message, const String& description, ShouldSample shouldSample)
 610 {
 611     if (!DiagnosticLoggingClient::shouldLogAfterSampling(shouldSample))
 612         return;
 613
 614     parentProcessConnection()->send(Messages::NetworkProcessProxy::LogDiagnosticMessage(webPageID, message, description, ShouldSample::No), 0);
 615 }
 616
 617 void NetworkProcess::logDiagnosticMessageWithResult(uint64_t webPageID, const String& message, const String& description, DiagnosticLoggingResultType result, ShouldSample shouldSample)
 618 {
 619     if (!DiagnosticLoggingClient::shouldLogAfterSampling(shouldSample))
 620         return;
 621
 622     parentProcessConnection()->send(Messages::NetworkProcessProxy::LogDiagnosticMessageWithResult(webPageID, message, description, result, ShouldSample::No), 0);
 623 }
 624
 625 void NetworkProcess::logDiagnosticMessageWithValue(uint64_t webPageID, const String& message, const String& description, double value, unsigned significantFigures, ShouldSample shouldSample)
 626 {
 627     if (!DiagnosticLoggingClient::shouldLogAfterSampling(shouldSample))
 628         return;
 629
 630     parentProcessConnection()->send(Messages::NetworkProcessProxy::LogDiagnosticMessageWithValue(webPageID, message, description, value, significantFigures, ShouldSample::No), 0);
 631 }
 632
 633 void NetworkProcess::terminate()
 634 {
 635 #if ENABLE(NETWORK_CAPTURE)
 636     NetworkCapture::Manager::singleton().terminate();
 637 #endif
 638
 639     platformTerminate();
 640     ChildProcess::terminate();
 641 }
 642
 643 // FIXME: We can remove this one by adapting RefCounter.
 644 class TaskCounter : public RefCounted<TaskCounter> {
 645 public:
 646     explicit TaskCounter(Function<void()>&& callback) : m_callback(WTFMove(callback)) { }
 647     ~TaskCounter() { m_callback(); };
 648
 649 private:
 650     Function<void()> m_callback;
 651 };
 652
 653 void NetworkProcess::actualPrepareToSuspend(ShouldAcknowledgeWhenReadyToSuspend shouldAcknowledgeWhenReadyToSuspend)
 654 {
 655     lowMemoryHandler(Critical::Yes);
 656
 657     RefPtr<TaskCounter> delayedTaskCounter;
 658     if (shouldAcknowledgeWhenReadyToSuspend == ShouldAcknowledgeWhenReadyToSuspend::Yes) {
 659         delayedTaskCounter = adoptRef(new TaskCounter([this] {
 660             RELEASE_LOG(ProcessSuspension, "%p - NetworkProcess::notifyProcessReadyToSuspend() Sending ProcessReadyToSuspend IPC message", this);
 661             if (parentProcessConnection())
 662                 parentProcessConnection()->send(Messages::NetworkProcessProxy::ProcessReadyToSuspend(), 0);
 663         }));
 664     }
 665
 666     for (auto& connection : m_webProcessConnections)
 667         connection->cleanupForSuspension([delayedTaskCounter] { });
 668 }
 669
 670 void NetworkProcess::processWillSuspendImminently(bool& handled)
 671 {
 672     actualPrepareToSuspend(ShouldAcknowledgeWhenReadyToSuspend::No);
 673     handled = true;
 674 }
 675
 676 void NetworkProcess::prepareToSuspend()
 677 {
 678     RELEASE_LOG(ProcessSuspension, "%p - NetworkProcess::prepareToSuspend()", this);
 679     actualPrepareToSuspend(ShouldAcknowledgeWhenReadyToSuspend::Yes);
 680 }
 681
 682 void NetworkProcess::cancelPrepareToSuspend()
 683 {
 684     // Although it is tempting to send a NetworkProcessProxy::DidCancelProcessSuspension message from here
 685     // we do not because prepareToSuspend() already replied with a NetworkProcessProxy::ProcessReadyToSuspend
 686     // message. And NetworkProcessProxy expects to receive either a NetworkProcessProxy::ProcessReadyToSuspend-
 687     // or NetworkProcessProxy::DidCancelProcessSuspension- message, but not both.
 688     RELEASE_LOG(ProcessSuspension, "%p - NetworkProcess::cancelPrepareToSuspend()", this);
 689     for (auto& connection : m_webProcessConnections)
 690         connection->endSuspension();
 691 }
 692
 693 void NetworkProcess::processDidResume()
 694 {
 695     RELEASE_LOG(ProcessSuspension, "%p - NetworkProcess::processDidResume()", this);
 696     for (auto& connection : m_webProcessConnections)
 697         connection->endSuspension();
 698 }
 699
 700 void NetworkProcess::prefetchDNS(const String& hostname)
 701 {
 702     WebCore::prefetchDNS(hostname);
 703 }
 704
 705 String NetworkProcess::cacheStorageDirectory(PAL::SessionID sessionID) const
 706 {
 707     if (sessionID.isEphemeral())
 708         return { };
 709
 710     if (sessionID == PAL::SessionID::defaultSessionID())
 711         return m_cacheStorageDirectory;
 712
 713     auto* session = NetworkStorageSession::storageSession(sessionID);
 714     if (!session)
 715         return { };
 716
 717     return session->cacheStorageDirectory();
 718 }
 719
 720 #if !PLATFORM(COCOA)
 721 void NetworkProcess::initializeProcess(const ChildProcessInitializationParameters&)
 722 {
 723 }
 724
 725 void NetworkProcess::initializeProcessName(const ChildProcessInitializationParameters&)
 726 {
 727 }
 728
 729 void NetworkProcess::initializeSandbox(const ChildProcessInitializationParameters&, SandboxInitializationParameters&)
 730 {
 731 }
 732
 733 void NetworkProcess::syncAllCookies()
 734 {
 735 }
 736
 737 #endif
 738
 739 } // namespace WebKit