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WebProcess.cpp
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/*
* Copyright (C) 2009-2020 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 "WebProcess.h"
#include "APIFrameHandle.h"
#include "APIPageGroupHandle.h"
#include "APIPageHandle.h"
#include "AuthenticationManager.h"
#include "AuxiliaryProcessMessages.h"
#include "DrawingArea.h"
#include "EventDispatcher.h"
#include "InjectedBundle.h"
#include "LibWebRTCNetwork.h"
#include "Logging.h"
#include "NetworkConnectionToWebProcessMessages.h"
#include "NetworkProcessConnection.h"
#include "NetworkProcessConnectionInfo.h"
#include "NetworkSession.h"
#include "NetworkSessionCreationParameters.h"
#include "PluginProcessConnectionManager.h"
#include "ProcessAssertion.h"
#include "RemoteAudioSession.h"
#include "RemoteLegacyCDMFactory.h"
#include "StorageAreaMap.h"
#include "UserData.h"
#include "WebAutomationSessionProxy.h"
#include "WebCacheStorageProvider.h"
#include "WebConnectionToUIProcess.h"
#include "WebCookieJar.h"
#include "WebCoreArgumentCoders.h"
#include "WebFrame.h"
#include "WebFrameNetworkingContext.h"
#include "WebGamepadProvider.h"
#include "WebGeolocationManager.h"
#include "WebIDBConnectionToServer.h"
#include "WebLoaderStrategy.h"
#include "WebMediaKeyStorageManager.h"
#include "WebMemorySampler.h"
#include "WebMessagePortChannelProvider.h"
#include "WebPage.h"
#include "WebPageCreationParameters.h"
#include "WebPageGroupProxy.h"
#include "WebPaymentCoordinator.h"
#include "WebPlatformStrategies.h"
#include "WebPluginInfoProvider.h"
#include "WebProcessCreationParameters.h"
#include "WebProcessDataStoreParameters.h"
#include "WebProcessMessages.h"
#include "WebProcessPoolMessages.h"
#include "WebProcessProxyMessages.h"
#include "WebResourceLoadObserver.h"
#include "WebSWClientConnection.h"
#include "WebSWContextManagerConnection.h"
#include "WebSWContextManagerConnectionMessages.h"
#include "WebServiceWorkerProvider.h"
#include "WebSocketStream.h"
#include "WebsiteData.h"
#include "WebsiteDataStoreParameters.h"
#include "WebsiteDataType.h"
#include <JavaScriptCore/JSLock.h>
#include <JavaScriptCore/MemoryStatistics.h>
#include <JavaScriptCore/WasmFaultSignalHandler.h>
#include <WebCore/AXObjectCache.h>
#include <WebCore/ApplicationCacheStorage.h>
#include <WebCore/AuthenticationChallenge.h>
#include <WebCore/BackForwardCache.h>
#include <WebCore/CPUMonitor.h>
#include <WebCore/CommonVM.h>
#include <WebCore/CrossOriginPreflightResultCache.h>
#include <WebCore/DNS.h>
#include <WebCore/DOMWindow.h>
#include <WebCore/DatabaseManager.h>
#include <WebCore/DatabaseTracker.h>
#include <WebCore/DeprecatedGlobalSettings.h>
#include <WebCore/DiagnosticLoggingClient.h>
#include <WebCore/DiagnosticLoggingKeys.h>
#include <WebCore/FontCache.h>
#include <WebCore/FontCascade.h>
#include <WebCore/Frame.h>
#include <WebCore/FrameLoader.h>
#include <WebCore/GCController.h>
#include <WebCore/GlyphPage.h>
#include <WebCore/HTMLMediaElement.h>
#include <WebCore/JSDOMWindow.h>
#include <WebCore/LegacySchemeRegistry.h>
#include <WebCore/MemoryCache.h>
#include <WebCore/MemoryRelease.h>
#include <WebCore/MessagePort.h>
#include <WebCore/MockRealtimeMediaSourceCenter.h>
#include <WebCore/NetworkStorageSession.h>
#include <WebCore/Page.h>
#include <WebCore/PageGroup.h>
#include <WebCore/PlatformKeyboardEvent.h>
#include <WebCore/PlatformMediaSessionManager.h>
#include <WebCore/ProcessWarming.h>
#include <WebCore/RegistrableDomain.h>
#include <WebCore/ResourceLoadStatistics.h>
#include <WebCore/RuntimeApplicationChecks.h>
#include <WebCore/RuntimeEnabledFeatures.h>
#include <WebCore/SecurityOrigin.h>
#include <WebCore/ServiceWorkerContextData.h>
#include <WebCore/Settings.h>
#include <WebCore/UserGestureIndicator.h>
#include <wtf/Algorithms.h>
#include <wtf/CallbackAggregator.h>
#include <wtf/Language.h>
#include <wtf/ProcessPrivilege.h>
#include <wtf/RunLoop.h>
#include <wtf/SystemTracing.h>
#include <wtf/URLParser.h>
#include <wtf/text/StringHash.h>
#if !OS(WINDOWS)
#include <unistd.h>
#endif
#if PLATFORM(WAYLAND)
#include "WaylandCompositorDisplay.h"
#endif
#if PLATFORM(COCOA)
#include "ObjCObjectGraph.h"
#include "UserMediaCaptureManager.h"
#endif
#if PLATFORM(IOS_FAMILY)
#include "WebSQLiteDatabaseTracker.h"
#endif
#if ENABLE(SEC_ITEM_SHIM)
#include "SecItemShim.h"
#endif
#if ENABLE(NOTIFICATIONS)
#include "WebNotificationManager.h"
#endif
#if ENABLE(GPU_PROCESS)
#include "GPUConnectionToWebProcessMessages.h"
#include "GPUProcessConnection.h"
#include "GPUProcessConnectionInfo.h"
#endif
#if ENABLE(WEB_AUTHN)
#include "WebAuthnConnectionToWebProcessMessages.h"
#include "WebAuthnProcessConnection.h"
#include "WebAuthnProcessConnectionInfo.h"
#endif
#if ENABLE(REMOTE_INSPECTOR)
#include <JavaScriptCore/RemoteInspector.h>
#endif
#if ENABLE(GPU_PROCESS)
#include "RemoteMediaPlayerManager.h"
#endif
#if USE(LIBWEBRTC) && PLATFORM(COCOA) && ENABLE(GPU_PROCESS)
#include "LibWebRTCCodecs.h"
#endif
#if ENABLE(ENCRYPTED_MEDIA)
#include "RemoteCDMFactory.h"
#endif
#if PLATFORM(IOS_FAMILY)
#include "RemoteMediaSessionHelper.h"
#endif
#if ENABLE(ROUTING_ARBITRATION)
#include "AudioSessionRoutingArbitrator.h"
#endif
#if PLATFORM(COCOA)
#include <WebCore/VP9UtilitiesCocoa.h>
#endif
#if ENABLE(WEBPROCESS_WINDOWSERVER_BLOCKING)
#include <WebCore/DisplayRefreshMonitorManager.h>
#endif
#define RELEASE_LOG_SESSION_ID (m_sessionID ? m_sessionID->toUInt64() : 0)
#define RELEASE_LOG_IF_ALLOWED(channel, fmt, ...) RELEASE_LOG_IF(isAlwaysOnLoggingAllowed(), channel, "%p - [sessionID=%" PRIu64 "] WebProcess::" fmt, this, RELEASE_LOG_SESSION_ID, ##__VA_ARGS__)
#define RELEASE_LOG_ERROR_IF_ALLOWED(channel, fmt, ...) RELEASE_LOG_ERROR_IF(isAlwaysOnLoggingAllowed(), channel, "%p - [sessionID=%" PRIu64 "] WebProcess::" fmt, this, RELEASE_LOG_SESSION_ID, ##__VA_ARGS__)
// This should be less than plugInAutoStartExpirationTimeThreshold in PlugInAutoStartProvider.
static const Seconds plugInAutoStartExpirationTimeUpdateThreshold { 29 * 24 * 60 * 60 };
// This should be greater than tileRevalidationTimeout in TileController.
static const Seconds nonVisibleProcessCleanupDelay { 10_s };
namespace WebKit {
using namespace JSC;
using namespace WebCore;
NO_RETURN static void callExit(IPC::Connection*)
{
_exit(EXIT_SUCCESS);
}
WebProcess& WebProcess::singleton()
{
static WebProcess& process = *new WebProcess;
return process;
}
WebProcess::WebProcess()
: m_eventDispatcher(EventDispatcher::create())
#if PLATFORM(IOS_FAMILY)
, m_viewUpdateDispatcher(ViewUpdateDispatcher::create())
#endif
, m_webInspectorInterruptDispatcher(WebInspectorInterruptDispatcher::create())
, m_webLoaderStrategy(*new WebLoaderStrategy)
, m_cacheStorageProvider(WebCacheStorageProvider::create())
, m_cookieJar(WebCookieJar::create())
, m_dnsPrefetchHystereris([this](PAL::HysteresisState state) { if (state == PAL::HysteresisState::Stopped) m_dnsPrefetchedHosts.clear(); })
#if ENABLE(NETSCAPE_PLUGIN_API)
, m_pluginProcessConnectionManager(PluginProcessConnectionManager::create())
#endif
, m_nonVisibleProcessCleanupTimer(*this, &WebProcess::nonVisibleProcessCleanupTimerFired)
#if PLATFORM(IOS_FAMILY)
, m_webSQLiteDatabaseTracker([this](bool isHoldingLockedFiles) { parentProcessConnection()->send(Messages::WebProcessProxy::SetIsHoldingLockedFiles(isHoldingLockedFiles), 0); })
#endif
{
// Initialize our platform strategies.
WebPlatformStrategies::initialize();
// FIXME: This should moved to where WebProcess::initialize is called,
// so that ports have a chance to customize, and ifdefs in this file are
// limited.
addSupplement<WebGeolocationManager>();
#if ENABLE(NOTIFICATIONS)
addSupplement<WebNotificationManager>();
#endif
#if ENABLE(LEGACY_ENCRYPTED_MEDIA)
addSupplement<WebMediaKeyStorageManager>();
#endif
#if PLATFORM(COCOA) && ENABLE(MEDIA_STREAM)
addSupplement<UserMediaCaptureManager>();
#endif
#if ENABLE(GPU_PROCESS)
addSupplement<RemoteMediaPlayerManager>();
#endif
#if ENABLE(GPU_PROCESS) && ENABLE(ENCRYPTED_MEDIA)
addSupplement<RemoteCDMFactory>();
#endif
#if ENABLE(GPU_PROCESS) && ENABLE(LEGACY_ENCRYPTED_MEDIA)
addSupplement<RemoteLegacyCDMFactory>();
#endif
#if ENABLE(ROUTING_ARBITRATION)
addSupplement<AudioSessionRoutingArbitrator>();
#endif
Gigacage::forbidDisablingPrimitiveGigacage();
}
WebProcess::~WebProcess()
{
ASSERT_NOT_REACHED();
}
void WebProcess::initializeProcess(const AuxiliaryProcessInitializationParameters& parameters)
{
WTF::setProcessPrivileges({ });
MessagePortChannelProvider::setSharedProvider(WebMessagePortChannelProvider::singleton());
platformInitializeProcess(parameters);
updateCPULimit();
}
void WebProcess::initializeConnection(IPC::Connection* connection)
{
AuxiliaryProcess::initializeConnection(connection);
// We call _exit() directly from the background queue in case the main thread is unresponsive
// and AuxiliaryProcess::didClose() does not get called.
connection->setDidCloseOnConnectionWorkQueueCallback(callExit);
#if !PLATFORM(GTK) && !PLATFORM(WPE)
connection->setShouldExitOnSyncMessageSendFailure(true);
#endif
#if HAVE(QOS_CLASSES)
connection->setShouldBoostMainThreadOnSyncMessage(true);
#endif
m_eventDispatcher->initializeConnection(connection);
#if PLATFORM(IOS_FAMILY)
m_viewUpdateDispatcher->initializeConnection(connection);
#endif // PLATFORM(IOS_FAMILY)
m_webInspectorInterruptDispatcher->initializeConnection(connection);
#if ENABLE(NETSCAPE_PLUGIN_API)
m_pluginProcessConnectionManager->initializeConnection(connection);
#endif
for (auto& supplement : m_supplements.values())
supplement->initializeConnection(connection);
m_webConnection = WebConnectionToUIProcess::create(this);
}
void WebProcess::initializeWebProcess(WebProcessCreationParameters&& parameters)
{
TraceScope traceScope(InitializeWebProcessStart, InitializeWebProcessEnd);
ASSERT(m_pageMap.isEmpty());
if (parameters.websiteDataStoreParameters)
setWebsiteDataStoreParameters(WTFMove(*parameters.websiteDataStoreParameters));
WebCore::setPresentingApplicationPID(parameters.presentingApplicationPID);
#if OS(LINUX)
MemoryPressureHandler::ReliefLogger::setLoggingEnabled(parameters.shouldEnableMemoryPressureReliefLogging);
#endif
platformInitializeWebProcess(parameters);
// Match the QoS of the UIProcess and the scrolling thread but use a slightly lower priority.
WTF::Thread::setCurrentThreadIsUserInteractive(-1);
m_suppressMemoryPressureHandler = parameters.shouldSuppressMemoryPressureHandler;
if (!m_suppressMemoryPressureHandler) {
auto& memoryPressureHandler = MemoryPressureHandler::singleton();
memoryPressureHandler.setLowMemoryHandler([this] (Critical critical, Synchronous synchronous) {
#if PLATFORM(MAC)
// If this is a process we keep around for performance, kill it on memory pressure instead of trying to free up its memory.
if (m_processType == ProcessType::CachedWebContent || m_processType == ProcessType::PrewarmedWebContent || areAllPagesSuspended()) {
if (m_processType == ProcessType::CachedWebContent)
RELEASE_LOG_IF_ALLOWED(Process, "initializeWebProcess: Cached WebProcess is exiting due to memory pressure");
else if (m_processType == ProcessType::PrewarmedWebContent)
RELEASE_LOG_IF_ALLOWED(Process, "initializeWebProcess: Prewarmed WebProcess is exiting due to memory pressure");
else
RELEASE_LOG_IF_ALLOWED(Process, "initializeWebProcess: Suspended WebProcess is exiting due to memory pressure");
stopRunLoop();
return;
}
#endif
auto maintainBackForwardCache = m_isSuspending ? WebCore::MaintainBackForwardCache::Yes : WebCore::MaintainBackForwardCache::No;
auto maintainMemoryCache = m_isSuspending && m_hasSuspendedPageProxy ? WebCore::MaintainMemoryCache::Yes : WebCore::MaintainMemoryCache::No;
WebCore::releaseMemory(critical, synchronous, maintainBackForwardCache, maintainMemoryCache);
});
#if ENABLE(PERIODIC_MEMORY_MONITOR)
memoryPressureHandler.setShouldUsePeriodicMemoryMonitor(true);
memoryPressureHandler.setMemoryKillCallback([this] () {
WebCore::logMemoryStatisticsAtTimeOfDeath();
if (MemoryPressureHandler::singleton().processState() == WebsamProcessState::Active)
parentProcessConnection()->send(Messages::WebProcessProxy::DidExceedActiveMemoryLimit(), 0);
else
parentProcessConnection()->send(Messages::WebProcessProxy::DidExceedInactiveMemoryLimit(), 0);
});
memoryPressureHandler.setDidExceedInactiveLimitWhileActiveCallback([this] () {
parentProcessConnection()->send(Messages::WebProcessProxy::DidExceedInactiveMemoryLimitWhileActive(), 0);
});
#endif
memoryPressureHandler.setMemoryPressureStatusChangedCallback([this](bool isUnderMemoryPressure) {
if (parentProcessConnection())
parentProcessConnection()->send(Messages::WebProcessProxy::MemoryPressureStatusChanged(isUnderMemoryPressure), 0);
});
memoryPressureHandler.install();
}
SandboxExtension::consumePermanently(parameters.additionalSandboxExtensionHandles);
if (!parameters.injectedBundlePath.isEmpty())
m_injectedBundle = InjectedBundle::create(parameters, transformHandlesToObjects(parameters.initializationUserData.object()).get());
for (auto& supplement : m_supplements.values())
supplement->initialize(parameters);
setCacheModel(parameters.cacheModel);
if (!parameters.overrideLanguages.isEmpty())
overrideUserPreferredLanguages(parameters.overrideLanguages);
m_textCheckerState = parameters.textCheckerState;
m_fullKeyboardAccessEnabled = parameters.fullKeyboardAccessEnabled;
m_hasStylusDevice = parameters.hasStylusDevice;
for (auto& scheme : parameters.urlSchemesRegisteredAsEmptyDocument)
registerURLSchemeAsEmptyDocument(scheme);
for (auto& scheme : parameters.urlSchemesRegisteredAsSecure)
registerURLSchemeAsSecure(scheme);
for (auto& scheme : parameters.urlSchemesRegisteredAsBypassingContentSecurityPolicy)
registerURLSchemeAsBypassingContentSecurityPolicy(scheme);
for (auto& scheme : parameters.urlSchemesForWhichDomainRelaxationIsForbidden)
setDomainRelaxationForbiddenForURLScheme(scheme);
for (auto& scheme : parameters.urlSchemesRegisteredAsLocal)
registerURLSchemeAsLocal(scheme);
for (auto& scheme : parameters.urlSchemesRegisteredAsNoAccess)
registerURLSchemeAsNoAccess(scheme);
for (auto& scheme : parameters.urlSchemesRegisteredAsDisplayIsolated)
registerURLSchemeAsDisplayIsolated(scheme);
for (auto& scheme : parameters.urlSchemesRegisteredAsCORSEnabled)
LegacySchemeRegistry::registerURLSchemeAsCORSEnabled(scheme);
for (auto& scheme : parameters.urlSchemesRegisteredAsAlwaysRevalidated)
registerURLSchemeAsAlwaysRevalidated(scheme);
for (auto& scheme : parameters.urlSchemesRegisteredAsCachePartitioned)
registerURLSchemeAsCachePartitioned(scheme);
for (auto& scheme : parameters.urlSchemesRegisteredAsCanDisplayOnlyIfCanRequest)
registerURLSchemeAsCanDisplayOnlyIfCanRequest(scheme);
setDefaultRequestTimeoutInterval(parameters.defaultRequestTimeoutInterval);
setBackForwardCacheCapacity(parameters.backForwardCacheCapacity);
setAlwaysUsesComplexTextCodePath(parameters.shouldAlwaysUseComplexTextCodePath);
setShouldUseFontSmoothing(parameters.shouldUseFontSmoothing);
setTerminationTimeout(parameters.terminationTimeout);
for (auto& origin : parameters.plugInAutoStartOrigins)
m_plugInAutoStartOrigins.add(origin);
setMemoryCacheDisabled(parameters.memoryCacheDisabled);
WebCore::RuntimeEnabledFeatures::sharedFeatures().setAttrStyleEnabled(parameters.attrStyleEnabled);
#if ENABLE(SERVICE_CONTROLS)
setEnabledServices(parameters.hasImageServices, parameters.hasSelectionServices, parameters.hasRichContentServices);
#endif
#if ENABLE(REMOTE_INSPECTOR) && PLATFORM(COCOA)
#if PLATFORM(IOS)
Inspector::RemoteInspector::setNeedMachSandboxExtension(true);
#endif
if (Optional<audit_token_t> auditToken = parentProcessConnection()->getAuditToken()) {
RetainPtr<CFDataRef> auditData = adoptCF(CFDataCreate(nullptr, (const UInt8*)&*auditToken, sizeof(*auditToken)));
Inspector::RemoteInspector::singleton().setParentProcessInformation(WebCore::presentingApplicationPID(), auditData);
}
#endif
#if ENABLE(NETSCAPE_PLUGIN_API) && PLATFORM(MAC)
resetPluginLoadClientPolicies(parameters.pluginLoadClientPolicies);
#endif
#if ENABLE(GAMEPAD)
GamepadProvider::singleton().setSharedProvider(WebGamepadProvider::singleton());
#endif
#if ENABLE(SERVICE_WORKER)
ServiceWorkerProvider::setSharedProvider(WebServiceWorkerProvider::singleton());
#endif
#if ENABLE(WEBASSEMBLY)
JSC::Wasm::enableFastMemory();
#endif
#if ENABLE(RESOURCE_LOAD_STATISTICS) && !RELEASE_LOG_DISABLED
WebResourceLoadObserver::setShouldLogUserInteraction(parameters.shouldLogUserInteraction);
#endif
RELEASE_LOG_IF_ALLOWED(Process, "initializeWebProcess: Presenting process = %d", WebCore::presentingApplicationPID());
}
void WebProcess::setWebsiteDataStoreParameters(WebProcessDataStoreParameters&& parameters)
{
ASSERT(!m_sessionID);
m_sessionID = parameters.sessionID;
auto& databaseManager = DatabaseManager::singleton();
databaseManager.initialize(parameters.webSQLDatabaseDirectory);
// FIXME: This should be constructed per data store, not per process.
m_applicationCacheStorage = ApplicationCacheStorage::create(parameters.applicationCacheDirectory, parameters.applicationCacheFlatFileSubdirectoryName);
#if PLATFORM(IOS_FAMILY)
m_applicationCacheStorage->setDefaultOriginQuota(25ULL * 1024 * 1024);
#endif
#if ENABLE(VIDEO)
if (!parameters.mediaCacheDirectory.isEmpty())
WebCore::HTMLMediaElement::setMediaCacheDirectory(parameters.mediaCacheDirectory);
#endif
setResourceLoadStatisticsEnabled(parameters.resourceLoadStatisticsEnabled);
#if ENABLE(RESOURCE_LOAD_STATISTICS)
m_thirdPartyCookieBlockingMode = parameters.thirdPartyCookieBlockingMode;
if (parameters.resourceLoadStatisticsEnabled) {
if (!ResourceLoadObserver::sharedIfExists())
ResourceLoadObserver::setShared(*new WebResourceLoadObserver(parameters.sessionID.isEphemeral() ? WebCore::ResourceLoadStatistics::IsEphemeral::Yes : WebCore::ResourceLoadStatistics::IsEphemeral::No));
ResourceLoadObserver::shared().setDomainsWithUserInteraction(WTFMove(parameters.domainsWithUserInteraction));
}
#endif
resetPlugInAutoStartOriginHashes(WTFMove(parameters.plugInAutoStartOriginHashes));
for (auto& supplement : m_supplements.values())
supplement->setWebsiteDataStore(parameters);
platformSetWebsiteDataStoreParameters(WTFMove(parameters));
ensureNetworkProcessConnection();
}
bool WebProcess::areAllPagesSuspended() const
{
for (auto& page : m_pageMap.values()) {
if (!page->isSuspended())
return false;
}
return true;
}
void WebProcess::setHasSuspendedPageProxy(bool hasSuspendedPageProxy)
{
ASSERT(m_hasSuspendedPageProxy != hasSuspendedPageProxy);
m_hasSuspendedPageProxy = hasSuspendedPageProxy;
}
void WebProcess::setIsInProcessCache(bool isInProcessCache)
{
#if PLATFORM(COCOA)
if (isInProcessCache) {
ASSERT(m_processType == ProcessType::WebContent);
m_processType = ProcessType::CachedWebContent;
} else {
ASSERT(m_processType == ProcessType::CachedWebContent);
m_processType = ProcessType::WebContent;
}
updateProcessName();
#else
UNUSED_PARAM(isInProcessCache);
#endif
}
void WebProcess::markIsNoLongerPrewarmed()
{
#if PLATFORM(COCOA)
ASSERT(m_processType == ProcessType::PrewarmedWebContent);
m_processType = ProcessType::WebContent;
updateProcessName();
#endif
}
void WebProcess::prewarmGlobally()
{
WebCore::ProcessWarming::prewarmGlobally();
}
void WebProcess::prewarmWithDomainInformation(const WebCore::PrewarmInformation& prewarmInformation)
{
WebCore::ProcessWarming::prewarmWithInformation(prewarmInformation);
}
void WebProcess::registerURLSchemeAsEmptyDocument(const String& urlScheme)
{
LegacySchemeRegistry::registerURLSchemeAsEmptyDocument(urlScheme);
}
void WebProcess::registerURLSchemeAsSecure(const String& urlScheme) const
{
LegacySchemeRegistry::registerURLSchemeAsSecure(urlScheme);
}
void WebProcess::registerURLSchemeAsBypassingContentSecurityPolicy(const String& urlScheme) const
{
LegacySchemeRegistry::registerURLSchemeAsBypassingContentSecurityPolicy(urlScheme);
}
void WebProcess::setDomainRelaxationForbiddenForURLScheme(const String& urlScheme) const
{
LegacySchemeRegistry::setDomainRelaxationForbiddenForURLScheme(true, urlScheme);
}
void WebProcess::registerURLSchemeAsLocal(const String& urlScheme) const
{
LegacySchemeRegistry::registerURLSchemeAsLocal(urlScheme);
}
void WebProcess::registerURLSchemeAsNoAccess(const String& urlScheme) const
{
LegacySchemeRegistry::registerURLSchemeAsNoAccess(urlScheme);
}
void WebProcess::registerURLSchemeAsDisplayIsolated(const String& urlScheme) const
{
LegacySchemeRegistry::registerURLSchemeAsDisplayIsolated(urlScheme);
}
void WebProcess::registerURLSchemeAsCORSEnabled(const String& urlScheme)
{
LegacySchemeRegistry::registerURLSchemeAsCORSEnabled(urlScheme);
ensureNetworkProcessConnection().connection().send(Messages::NetworkConnectionToWebProcess::RegisterURLSchemesAsCORSEnabled({ urlScheme }), 0);
}
void WebProcess::registerURLSchemeAsAlwaysRevalidated(const String& urlScheme) const
{
LegacySchemeRegistry::registerURLSchemeAsAlwaysRevalidated(urlScheme);
}
void WebProcess::registerURLSchemeAsCachePartitioned(const String& urlScheme) const
{
LegacySchemeRegistry::registerURLSchemeAsCachePartitioned(urlScheme);
}
void WebProcess::registerURLSchemeAsCanDisplayOnlyIfCanRequest(const String& urlScheme) const
{
LegacySchemeRegistry::registerAsCanDisplayOnlyIfCanRequest(urlScheme);
}
void WebProcess::setDefaultRequestTimeoutInterval(double timeoutInterval)
{
ResourceRequest::setDefaultTimeoutInterval(timeoutInterval);
}
void WebProcess::setAlwaysUsesComplexTextCodePath(bool alwaysUseComplexText)
{
WebCore::FontCascade::setCodePath(alwaysUseComplexText ? WebCore::FontCascade::Complex : WebCore::FontCascade::Auto);
}
void WebProcess::setShouldUseFontSmoothing(bool useFontSmoothing)
{
WebCore::FontCascade::setShouldUseSmoothing(useFontSmoothing);
}
void WebProcess::userPreferredLanguagesChanged() const
{
WTF::languageDidChange();
}
void WebProcess::fullKeyboardAccessModeChanged(bool fullKeyboardAccessEnabled)
{
m_fullKeyboardAccessEnabled = fullKeyboardAccessEnabled;
}
#if ENABLE(NETSCAPE_PLUGIN_API)
PluginProcessConnectionManager& WebProcess::pluginProcessConnectionManager()
{
return *m_pluginProcessConnectionManager;
}
#endif
void WebProcess::setCacheModel(CacheModel cacheModel)
{
if (m_hasSetCacheModel && (cacheModel == m_cacheModel))
return;
m_hasSetCacheModel = true;
m_cacheModel = cacheModel;
unsigned cacheTotalCapacity = 0;
unsigned cacheMinDeadCapacity = 0;
unsigned cacheMaxDeadCapacity = 0;
Seconds deadDecodedDataDeletionInterval;
unsigned backForwardCacheSize = 0;
calculateMemoryCacheSizes(cacheModel, cacheTotalCapacity, cacheMinDeadCapacity, cacheMaxDeadCapacity, deadDecodedDataDeletionInterval, backForwardCacheSize);
auto& memoryCache = MemoryCache::singleton();
memoryCache.setCapacities(cacheMinDeadCapacity, cacheMaxDeadCapacity, cacheTotalCapacity);
memoryCache.setDeadDecodedDataDeletionInterval(deadDecodedDataDeletionInterval);
BackForwardCache::singleton().setMaxSize(backForwardCacheSize);
platformSetCacheModel(cacheModel);
}
WebPage* WebProcess::focusedWebPage() const
{
for (auto& page : m_pageMap.values()) {
if (page->windowAndWebPageAreFocused())
return page.get();
}
return 0;
}
WebPage* WebProcess::webPage(PageIdentifier pageID) const
{
return m_pageMap.get(pageID);
}
void WebProcess::createWebPage(PageIdentifier pageID, WebPageCreationParameters&& parameters)
{
// It is necessary to check for page existence here since during a window.open() (or targeted
// link) the WebPage gets created both in the synchronous handler and through the normal way.
auto result = m_pageMap.add(pageID, nullptr);
if (result.isNewEntry) {
ASSERT(!result.iterator->value);
result.iterator->value = WebPage::create(pageID, WTFMove(parameters));
// Balanced by an enableTermination in removeWebPage.
disableTermination();
updateCPULimit();
} else
result.iterator->value->reinitializeWebPage(WTFMove(parameters));
ASSERT(result.iterator->value);
}
void WebProcess::removeWebPage(PageIdentifier pageID)
{
ASSERT(m_pageMap.contains(pageID));
flushResourceLoadStatistics();
pageWillLeaveWindow(pageID);
m_pageMap.remove(pageID);
enableTermination();
updateCPULimit();
}
bool WebProcess::shouldTerminate()
{
ASSERT(m_pageMap.isEmpty());
// FIXME: the ShouldTerminate message should also send termination parameters, such as any session cookies that need to be preserved.
bool shouldTerminate = false;
if (parentProcessConnection()->sendSync(Messages::WebProcessProxy::ShouldTerminate(), Messages::WebProcessProxy::ShouldTerminate::Reply(shouldTerminate), 0)
&& !shouldTerminate)
return false;
return true;
}
void WebProcess::terminate()
{
#ifndef NDEBUG
GCController::singleton().garbageCollectNow();
FontCache::singleton().invalidate();
MemoryCache::singleton().setDisabled(true);
#endif
m_webConnection->invalidate();
m_webConnection = nullptr;
platformTerminate();
AuxiliaryProcess::terminate();
}
void WebProcess::didReceiveSyncMessage(IPC::Connection& connection, IPC::Decoder& decoder, std::unique_ptr<IPC::Encoder>& replyEncoder)
{
if (messageReceiverMap().dispatchSyncMessage(connection, decoder, replyEncoder))
return;
}
void WebProcess::didReceiveMessage(IPC::Connection& connection, IPC::Decoder& decoder)
{
if (messageReceiverMap().dispatchMessage(connection, decoder))
return;
if (decoder.messageReceiverName() == Messages::WebProcess::messageReceiverName()) {
didReceiveWebProcessMessage(connection, decoder);
return;
}
if (decoder.messageReceiverName() == Messages::AuxiliaryProcess::messageReceiverName()) {
AuxiliaryProcess::didReceiveMessage(connection, decoder);
return;
}
#if ENABLE(SERVICE_WORKER)
// FIXME: Remove?
if (decoder.messageReceiverName() == Messages::WebSWContextManagerConnection::messageReceiverName()) {
ASSERT(SWContextManager::singleton().connection());
if (auto* contextManagerConnection = SWContextManager::singleton().connection())
static_cast<WebSWContextManagerConnection&>(*contextManagerConnection).didReceiveMessage(connection, decoder);
return;
}
#endif
LOG_ERROR("Unhandled web process message '%s' (destination: %" PRIu64 " pid: %d)", description(decoder.messageName()), decoder.destinationID(), static_cast<int>(getCurrentProcessID()));
}
WebFrame* WebProcess::webFrame(FrameIdentifier frameID) const
{
return m_frameMap.get(frameID);
}
Vector<WebFrame*> WebProcess::webFrames() const
{
return copyToVector(m_frameMap.values());
}
void WebProcess::addWebFrame(FrameIdentifier frameID, WebFrame* frame)
{
m_frameMap.set(frameID, frame);
}
void WebProcess::removeWebFrame(FrameIdentifier frameID)
{
m_frameMap.remove(frameID);
// We can end up here after our connection has closed when WebCore's frame life-support timer
// fires when the application is shutting down. There's no need (and no way) to update the UI
// process in this case.
if (!parentProcessConnection())
return;
parentProcessConnection()->send(Messages::WebProcessProxy::DidDestroyFrame(frameID), 0);
}
WebPageGroupProxy* WebProcess::webPageGroup(PageGroup* pageGroup)
{
for (auto& page : m_pageGroupMap.values()) {
if (page->corePageGroup() == pageGroup)
return page.get();
}
return 0;
}
WebPageGroupProxy* WebProcess::webPageGroup(uint64_t pageGroupID)
{
return m_pageGroupMap.get(pageGroupID);
}
WebPageGroupProxy* WebProcess::webPageGroup(const WebPageGroupData& pageGroupData)
{
auto result = m_pageGroupMap.add(pageGroupData.pageGroupID, nullptr);
if (result.isNewEntry) {
ASSERT(!result.iterator->value);
result.iterator->value = WebPageGroupProxy::create(pageGroupData);
}
return result.iterator->value.get();
}
static uint64_t nextUserGestureTokenIdentifier()
{
static uint64_t identifier = 1;
return identifier++;
}
uint64_t WebProcess::userGestureTokenIdentifier(RefPtr<UserGestureToken> token)
{
if (!token || !token->processingUserGesture())
return 0;
auto result = m_userGestureTokens.ensure(token.get(), [] { return nextUserGestureTokenIdentifier(); });
if (result.isNewEntry) {
result.iterator->key->addDestructionObserver([] (UserGestureToken& tokenBeingDestroyed) {
WebProcess::singleton().userGestureTokenDestroyed(tokenBeingDestroyed);
});
}
return result.iterator->value;
}
void WebProcess::userGestureTokenDestroyed(UserGestureToken& token)
{
auto identifier = m_userGestureTokens.take(&token);
parentProcessConnection()->send(Messages::WebProcessProxy::DidDestroyUserGestureToken(identifier), 0);
}
static inline void addCaseFoldedCharacters(StringHasher& hasher, const String& string)
{
if (string.isEmpty())
return;
if (string.is8Bit()) {
hasher.addCharacters<LChar, ASCIICaseInsensitiveHash::FoldCase<LChar>>(string.characters8(), string.length());
return;
}
hasher.addCharacters<UChar, ASCIICaseInsensitiveHash::FoldCase<UChar>>(string.characters16(), string.length());
}
static unsigned hashForPlugInOrigin(const String& pageOrigin, const String& pluginOrigin, const String& mimeType)
{
// We want to avoid concatenating the strings and then taking the hash, since that could lead to an expensive conversion.
// We also want to avoid using the hash() function in StringImpl or ASCIICaseInsensitiveHash because that masks out bits for the use of flags.
StringHasher hasher;
addCaseFoldedCharacters(hasher, pageOrigin);
hasher.addCharacter(0);
addCaseFoldedCharacters(hasher, pluginOrigin);
hasher.addCharacter(0);
addCaseFoldedCharacters(hasher, mimeType);
return hasher.hash();
}
bool WebProcess::isPlugInAutoStartOriginHash(unsigned plugInOriginHash)
{
auto it = m_plugInAutoStartOriginHashes.find(plugInOriginHash);
if (it == m_plugInAutoStartOriginHashes.end())
return false;
return WallTime::now() < it->value;
}
bool WebProcess::shouldPlugInAutoStartFromOrigin(WebPage& webPage, const String& pageOrigin, const String& pluginOrigin, const String& mimeType)
{
if (!pluginOrigin.isEmpty() && m_plugInAutoStartOrigins.contains(pluginOrigin))
return true;
#if ENABLE(PRIMARY_SNAPSHOTTED_PLUGIN_HEURISTIC)
// The plugin wasn't in the general list, so check if it similar to the primary plugin for the page (if we've found one).
if (webPage.matchesPrimaryPlugIn(pageOrigin, pluginOrigin, mimeType))
return true;
#else
UNUSED_PARAM(webPage);
#endif
// Lastly check against the more explicit hash list.
return isPlugInAutoStartOriginHash(hashForPlugInOrigin(pageOrigin, pluginOrigin, mimeType));
}
void WebProcess::plugInDidStartFromOrigin(const String& pageOrigin, const String& pluginOrigin, const String& mimeType)
{
if (pageOrigin.isEmpty()) {
LOG(Plugins, "Not adding empty page origin");
return;
}
unsigned plugInOriginHash = hashForPlugInOrigin(pageOrigin, pluginOrigin, mimeType);
if (isPlugInAutoStartOriginHash(plugInOriginHash)) {
LOG(Plugins, "Hash %x already exists as auto-start origin (request for %s)", plugInOriginHash, pageOrigin.utf8().data());
return;
}
// We might attempt to start another plugin before the didAddPlugInAutoStartOrigin message
// comes back from the parent process. Temporarily add this hash to the list with a thirty
// second timeout. That way, even if the parent decides not to add it, we'll only be
// incorrect for a little while.
m_plugInAutoStartOriginHashes.set(plugInOriginHash, WallTime::now() + 30_s * 1000);
parentProcessConnection()->send(Messages::WebProcessProxy::AddPlugInAutoStartOriginHash(pageOrigin, plugInOriginHash), 0);
}
void WebProcess::didAddPlugInAutoStartOriginHash(unsigned plugInOriginHash, WallTime expirationTime)
{
// When called, some web process (which also might be this one) added the origin for auto-starting,
// or received user interaction.
// Set the bit to avoid having redundantly call into the UI process upon user interaction.
m_plugInAutoStartOriginHashes.set(plugInOriginHash, expirationTime);
}
void WebProcess::resetPlugInAutoStartOriginHashes(HashMap<unsigned, WallTime>&& hashes)
{
m_plugInAutoStartOriginHashes = WTFMove(hashes);
}
void WebProcess::plugInDidReceiveUserInteraction(const String& pageOrigin, const String& pluginOrigin, const String& mimeType)
{
if (pageOrigin.isEmpty())
return;
unsigned plugInOriginHash = hashForPlugInOrigin(pageOrigin, pluginOrigin, mimeType);
if (!plugInOriginHash)
return;
auto it = m_plugInAutoStartOriginHashes.find(plugInOriginHash);
if (it == m_plugInAutoStartOriginHashes.end())
return;
if (it->value - WallTime::now() > plugInAutoStartExpirationTimeUpdateThreshold)
return;
parentProcessConnection()->send(Messages::WebProcessProxy::PlugInDidReceiveUserInteraction(plugInOriginHash), 0);
}