Source/WebKit2/WebProcess/cocoa/WebProcessCocoa.mm - third_party/webkit - Git at Google

 /*
  * Copyright (C) 2010 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.
  */

 #import "config.h"
 #import "WebProcess.h"

 #import "CustomProtocolManager.h"
 #import "ObjCObjectGraph.h"
 #import "SandboxExtension.h"
 #import "SandboxInitializationParameters.h"
 #import "SecItemShim.h"
 #import "WKAPICast.h"
 #import "WKBrowsingContextHandleInternal.h"
 #import "WKFullKeyboardAccessWatcher.h"
 #import "WKTypeRefWrapper.h"
 #import "WKWebProcessPlugInBrowserContextControllerInternal.h"
 #import "WebFrame.h"
 #import "WebInspector.h"
 #import "WebPage.h"
 #import "WebProcessCreationParameters.h"
 #import "WebProcessProxyMessages.h"
 #import <JavaScriptCore/Options.h>
 #import <WebCore/AXObjectCache.h>
 #import <WebCore/CFNetworkSPI.h>
 #import <WebCore/FileSystem.h>
 #import <WebCore/FontCache.h>
 #import <WebCore/FontCascade.h>
 #import <WebCore/LocalizedStrings.h>
 #import <WebCore/MemoryPressureHandler.h>
 #import <WebCore/NSAccessibilitySPI.h>
 #import <WebCore/RuntimeApplicationChecks.h>
 #import <WebCore/pthreadSPI.h>
 #import <WebCore/VNodeTracker.h>
 #import <WebCore/WebCoreNSURLExtras.h>
 #import <WebKitSystemInterface.h>
 #import <algorithm>
 #import <dispatch/dispatch.h>
 #import <objc/runtime.h>
 #import <stdio.h>

 #if PLATFORM(IOS)
 #import <WebCore/GraphicsServicesSPI.h>
 #endif

 #if USE(OS_STATE)
 #include <os/state_private.h>
 #endif

 using namespace WebCore;

 namespace WebKit {

 void WebProcess::platformSetCacheModel(CacheModel)
 {
 }

 #if USE(APPKIT)
 static id NSApplicationAccessibilityFocusedUIElement(NSApplication*, SEL)
 {
     WebPage* page = WebProcess::singleton().focusedWebPage();
     if (!page || !page->accessibilityRemoteObject())
         return 0;

     return [page->accessibilityRemoteObject() accessibilityFocusedUIElement];
 }
 #endif

 void WebProcess::platformInitializeWebProcess(WebProcessCreationParameters&& parameters)
 {
     WebCore::setApplicationBundleIdentifier(parameters.uiProcessBundleIdentifier);

 #if ENABLE(SANDBOX_EXTENSIONS)
     SandboxExtension::consumePermanently(parameters.uiProcessBundleResourcePathExtensionHandle);
     SandboxExtension::consumePermanently(parameters.webSQLDatabaseDirectoryExtensionHandle);
     SandboxExtension::consumePermanently(parameters.applicationCacheDirectoryExtensionHandle);
     SandboxExtension::consumePermanently(parameters.mediaCacheDirectoryExtensionHandle);
     SandboxExtension::consumePermanently(parameters.mediaKeyStorageDirectoryExtensionHandle);
 #if PLATFORM(IOS)
     SandboxExtension::consumePermanently(parameters.cookieStorageDirectoryExtensionHandle);
     SandboxExtension::consumePermanently(parameters.containerCachesDirectoryExtensionHandle);
     SandboxExtension::consumePermanently(parameters.containerTemporaryDirectoryExtensionHandle);
 #endif
 #endif

 #if PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101100
     setSharedHTTPCookieStorage(parameters.uiProcessCookieStorageIdentifier);
 #endif

     auto urlCache = adoptNS([[NSURLCache alloc] initWithMemoryCapacity:0 diskCapacity:0 diskPath:nil]);
     [NSURLCache setSharedURLCache:urlCache.get()];

 #if PLATFORM(MAC)
     WebCore::FontCache::setFontWhitelist(parameters.fontWhitelist);
 #endif

     m_compositingRenderServerPort = WTFMove(parameters.acceleratedCompositingPort);
     m_presenterApplicationPid = parameters.presenterApplicationPid;

     MemoryPressureHandler::ReliefLogger::setLoggingEnabled(parameters.shouldEnableMemoryPressureReliefLogging);

 #if PLATFORM(IOS)
     // Track the number of vnodes we are using on iOS and make sure we only use a
     // reasonable amount because limits are fairly low on iOS devices and we can
     // get killed when reaching the limit.
     VNodeTracker::singleton().setPressureHandler([] (Critical critical) {
         MemoryPressureHandler::singleton().releaseMemory(critical);
     });
 #endif

     setEnhancedAccessibility(parameters.accessibilityEnhancedUserInterfaceEnabled);

 #if USE(APPKIT)
     [[NSUserDefaults standardUserDefaults] registerDefaults:@{ @"NSApplicationCrashOnExceptions" : @YES }];

     // rdar://9118639 accessibilityFocusedUIElement in NSApplication defaults to use the keyWindow. Since there's
     // no window in WK2, NSApplication needs to use the focused page's focused element.
     Method methodToPatch = class_getInstanceMethod([NSApplication class], @selector(accessibilityFocusedUIElement));
     method_setImplementation(methodToPatch, (IMP)NSApplicationAccessibilityFocusedUIElement);
 #endif
 #if TARGET_OS_IPHONE || (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101100)
     _CFNetworkSetATSContext(parameters.networkATSContext.get());
 #endif

 #if TARGET_OS_IPHONE
     // Priority decay on iOS 9 is impacting page load time so we fix the priority of the WebProcess' main thread (rdar://problem/22003112).
     pthread_set_fixedpriority_self();
 #endif
 }

 void WebProcess::initializeProcessName(const ChildProcessInitializationParameters& parameters)
 {
 #if !PLATFORM(IOS)
     NSString *applicationName;
     if (parameters.extraInitializationData.get(ASCIILiteral("inspector-process")) == "1")
         applicationName = [NSString stringWithFormat:WEB_UI_STRING("%@ Web Inspector", "Visible name of Web Inspector's web process. The argument is the application name."), (NSString *)parameters.uiProcessName];
     else
         applicationName = [NSString stringWithFormat:WEB_UI_STRING("%@ Web Content", "Visible name of the web process. The argument is the application name."), (NSString *)parameters.uiProcessName];
     WKSetVisibleApplicationName((CFStringRef)applicationName);
 #endif
 }

 static void registerWithAccessibility()
 {
 #if USE(APPKIT)
     [NSAccessibilityRemoteUIElement setRemoteUIApp:YES];
 #endif
 #if PLATFORM(IOS)
     NSString *accessibilityBundlePath = [(NSString *)GSSystemRootDirectory() stringByAppendingString:@"/System/Library/AccessibilityBundles/WebProcessLoader.axbundle"];
     NSError *error = nil;
     if (![[NSBundle bundleWithPath:accessibilityBundlePath] loadAndReturnError:&error])
         LOG_ERROR("Failed to load accessibility bundle at %@: %@", accessibilityBundlePath, error);
 #endif
 }

 #if USE(OS_STATE)
 void WebProcess::registerWithStateDumper()
 {
     os_state_add_handler(dispatch_get_main_queue(), ^(os_state_hints_t hints) {

         @autoreleasepool {
             os_state_data_t os_state = nil;

             // Only gather state on faults and sysdiagnose. It's overkill for
             // general error messages.
             if (hints->osh_api == OS_STATE_API_ERROR)
                 return os_state;

             // Create a dictionary to contain the collected state. This
             // dictionary will be serialized and passed back to os_state.
             auto stateDict = adoptNS([[NSMutableDictionary alloc] init]);

             auto pageLoadTimes = adoptNS([[NSMutableArray alloc] init]);
             for (auto& page : m_pageMap.values()) {
                 if (page->usesEphemeralSession())
                     continue;

                 NSDate* date = [NSDate dateWithTimeIntervalSince1970:std::chrono::system_clock::to_time_t(page->loadCommitTime())];
                 [pageLoadTimes addObject:date];
             }

             // Adding an empty array to the process state may provide an
             // indication of the existance of private sessions, which we'd like
             // to hide, so don't add empty arrays.
             if ([pageLoadTimes count])
                 [stateDict setObject:pageLoadTimes.get() forKey:@"Page Load Times"];

             // --- Possibly add other state here as other entries in the dictionary. ---

             // Submitting an empty process state object may provide an
             // indication of the existance of private sessions, which we'd like
             // to hide, so don't return empty dictionaries.
             if (![stateDict count])
                 return os_state;

             // Serialize the accumulated process state so that we can put the
             // result in an os_state_data_t structure.
             NSError* error = nil;
             NSData* data = [NSPropertyListSerialization dataWithPropertyList:stateDict.get() format:NSPropertyListBinaryFormat_v1_0 options:0 error:&error];

             if (!data) {
                 ASSERT(data);
                 return os_state;
             }

             size_t neededSize = OS_STATE_DATA_SIZE_NEEDED(data.length);
             os_state = (os_state_data_t)malloc(neededSize);
             if (os_state) {
                 memset(os_state, 0, neededSize);
                 os_state->osd_type = OS_STATE_DATA_SERIALIZED_NSCF_OBJECT;
                 os_state->osd_data_size = data.length;
                 strcpy(os_state->osd_title, "WebContent state"); // NB: Only 64 bytes of buffer here.
                 memcpy(os_state->osd_data, data.bytes, data.length);
             }

             return os_state;
         }
     });
 }
 #endif

 void WebProcess::platformInitializeProcess(const ChildProcessInitializationParameters&)
 {
     registerWithAccessibility();

 #if USE(OS_STATE)
     registerWithStateDumper();
 #endif

 #if ENABLE(SEC_ITEM_SHIM)
     initializeSecItemShim(*this);
 #endif
 }

 #if USE(APPKIT)
 void WebProcess::stopRunLoop()
 {
     ChildProcess::stopNSAppRunLoop();
 }
 #endif

 void WebProcess::platformTerminate()
 {
 }

 RetainPtr<CFDataRef> WebProcess::sourceApplicationAuditData() const
 {
 #if PLATFORM(IOS)
     audit_token_t auditToken;
     ASSERT(parentProcessConnection());
     if (!parentProcessConnection() || !parentProcessConnection()->getAuditToken(auditToken))
         return nullptr;
     return adoptCF(CFDataCreate(nullptr, (const UInt8*)&auditToken, sizeof(auditToken)));
 #else
     return nullptr;
 #endif
 }

 void WebProcess::initializeSandbox(const ChildProcessInitializationParameters& parameters, SandboxInitializationParameters& sandboxParameters)
 {
 #if ENABLE(WEB_PROCESS_SANDBOX)
 #if ENABLE(MANUAL_SANDBOXING)
     // Need to override the default, because service has a different bundle ID.
 #if WK_API_ENABLED
     NSBundle *webKit2Bundle = [NSBundle bundleForClass:NSClassFromString(@"WKWebView")];
 #else
     NSBundle *webKit2Bundle = [NSBundle bundleForClass:NSClassFromString(@"WKView")];
 #endif
 #if PLATFORM(IOS)
     sandboxParameters.setOverrideSandboxProfilePath([webKit2Bundle pathForResource:@"com.apple.WebKit.WebContent" ofType:@"sb"]);
 #else
     sandboxParameters.setOverrideSandboxProfilePath([webKit2Bundle pathForResource:@"com.apple.WebProcess" ofType:@"sb"]);
 #endif
     ChildProcess::initializeSandbox(parameters, sandboxParameters);
 #endif
 #else
     UNUSED_PARAM(parameters);
     UNUSED_PARAM(sandboxParameters);
 #endif
 }

 #if PLATFORM(MAC)

 static NSURL *origin(WebPage& page)
 {
     WebFrame* mainFrame = page.mainWebFrame();
     if (!mainFrame)
         return nil;

     URL mainFrameURL(URL(), mainFrame->url());
     Ref<SecurityOrigin> mainFrameOrigin = SecurityOrigin::create(mainFrameURL);
     String mainFrameOriginString;
     if (!mainFrameOrigin->isUnique())
         mainFrameOriginString = mainFrameOrigin->toRawString();
     else
         mainFrameOriginString = mainFrameURL.protocol() + ':'; // toRawString() is not supposed to work with unique origins, and would just return "://".

     // +[NSURL URLWithString:] returns nil when its argument is malformed. It's unclear when we would have a malformed URL here,
     // but it happens in practice according to <rdar://problem/14173389>. Leaving an assertion in to catch a reproducible case.
     ASSERT([NSURL URLWithString:mainFrameOriginString]);

     return [NSURL URLWithString:mainFrameOriginString];
 }

 #endif

 void WebProcess::updateActivePages()
 {
 #if PLATFORM(MAC)
     auto activePageURLs = adoptNS([[NSMutableArray alloc] init]);

     for (auto& page : m_pageMap.values()) {
         if (page->usesEphemeralSession())
             continue;

         if (NSURL *originAsURL = origin(*page))
             [activePageURLs addObject:userVisibleString(originAsURL)];
     }

     dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), [activePageURLs] {
         WKSetApplicationInformationItem(CFSTR("LSActivePageUserVisibleOriginsKey"), (__bridge CFArrayRef)activePageURLs.get());
     });
 #endif
 }

 RefPtr<ObjCObjectGraph> WebProcess::transformHandlesToObjects(ObjCObjectGraph& objectGraph)
 {
     struct Transformer final : ObjCObjectGraph::Transformer {
         Transformer(WebProcess& webProcess)
             : m_webProcess(webProcess)
         {
         }

         bool shouldTransformObject(id object) const override
         {
 #if WK_API_ENABLED
             if (dynamic_objc_cast<WKBrowsingContextHandle>(object))
                 return true;

             if (dynamic_objc_cast<WKTypeRefWrapper>(object))
                 return true;
 #endif
             return false;
         }

         RetainPtr<id> transformObject(id object) const override
         {
 #if WK_API_ENABLED
             if (auto* handle = dynamic_objc_cast<WKBrowsingContextHandle>(object)) {
                 if (auto* webPage = m_webProcess.webPage(handle._pageID))
                     return wrapper(*webPage);

                 return [NSNull null];
             }

             if (auto* wrapper = dynamic_objc_cast<WKTypeRefWrapper>(object))
                 return adoptNS([[WKTypeRefWrapper alloc] initWithObject:toAPI(m_webProcess.transformHandlesToObjects(toImpl(wrapper.object)).get())]);
 #endif
             return object;
         }

         WebProcess& m_webProcess;
     };

     return ObjCObjectGraph::create(ObjCObjectGraph::transform(objectGraph.rootObject(), Transformer(*this)).get());
 }

 RefPtr<ObjCObjectGraph> WebProcess::transformObjectsToHandles(ObjCObjectGraph& objectGraph)
 {
     struct Transformer final : ObjCObjectGraph::Transformer {
         bool shouldTransformObject(id object) const override
         {
 #if WK_API_ENABLED
             if (dynamic_objc_cast<WKWebProcessPlugInBrowserContextController>(object))
                 return true;

             if (dynamic_objc_cast<WKTypeRefWrapper>(object))
                 return true;
 #endif

             return false;
         }

         RetainPtr<id> transformObject(id object) const override
         {
 #if WK_API_ENABLED
             if (auto* controller = dynamic_objc_cast<WKWebProcessPlugInBrowserContextController>(object))
                 return controller.handle;

             if (auto* wrapper = dynamic_objc_cast<WKTypeRefWrapper>(object))
                 return adoptNS([[WKTypeRefWrapper alloc] initWithObject:toAPI(transformObjectsToHandles(toImpl(wrapper.object)).get())]);
 #endif
             return object;
         }
     };

     return ObjCObjectGraph::create(ObjCObjectGraph::transform(objectGraph.rootObject(), Transformer()).get());
 }

 void WebProcess::destroyRenderingResources()
 {
     WKDestroyRenderingResources();
 }

 } // namespace WebKit
	/*
	* Copyright (C) 2010 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.
	*/

	#import "config.h"
	#import "WebProcess.h"

	#import "CustomProtocolManager.h"
	#import "ObjCObjectGraph.h"
	#import "SandboxExtension.h"
	#import "SandboxInitializationParameters.h"
	#import "SecItemShim.h"
	#import "WKAPICast.h"
	#import "WKBrowsingContextHandleInternal.h"
	#import "WKFullKeyboardAccessWatcher.h"
	#import "WKTypeRefWrapper.h"
	#import "WKWebProcessPlugInBrowserContextControllerInternal.h"
	#import "WebFrame.h"
	#import "WebInspector.h"
	#import "WebPage.h"
	#import "WebProcessCreationParameters.h"
	#import "WebProcessProxyMessages.h"
	#import <JavaScriptCore/Options.h>
	#import <WebCore/AXObjectCache.h>
	#import <WebCore/CFNetworkSPI.h>
	#import <WebCore/FileSystem.h>
	#import <WebCore/FontCache.h>
	#import <WebCore/FontCascade.h>
	#import <WebCore/LocalizedStrings.h>
	#import <WebCore/MemoryPressureHandler.h>
	#import <WebCore/NSAccessibilitySPI.h>
	#import <WebCore/RuntimeApplicationChecks.h>
	#import <WebCore/pthreadSPI.h>
	#import <WebCore/VNodeTracker.h>
	#import <WebCore/WebCoreNSURLExtras.h>
	#import <WebKitSystemInterface.h>
	#import <algorithm>
	#import <dispatch/dispatch.h>
	#import <objc/runtime.h>
	#import <stdio.h>

	#if PLATFORM(IOS)
	#import <WebCore/GraphicsServicesSPI.h>
	#endif

	#if USE(OS_STATE)
	#include <os/state_private.h>
	#endif

	using namespace WebCore;

	namespace WebKit {

	void WebProcess::platformSetCacheModel(CacheModel)
	{
	}

	#if USE(APPKIT)
	static id NSApplicationAccessibilityFocusedUIElement(NSApplication*, SEL)
	{
	WebPage* page = WebProcess::singleton().focusedWebPage();
	if (!page \|\| !page->accessibilityRemoteObject())
	return 0;

	return [page->accessibilityRemoteObject() accessibilityFocusedUIElement];
	}
	#endif

	void WebProcess::platformInitializeWebProcess(WebProcessCreationParameters&& parameters)
	{
	WebCore::setApplicationBundleIdentifier(parameters.uiProcessBundleIdentifier);

	#if ENABLE(SANDBOX_EXTENSIONS)
	SandboxExtension::consumePermanently(parameters.uiProcessBundleResourcePathExtensionHandle);
	SandboxExtension::consumePermanently(parameters.webSQLDatabaseDirectoryExtensionHandle);
	SandboxExtension::consumePermanently(parameters.applicationCacheDirectoryExtensionHandle);
	SandboxExtension::consumePermanently(parameters.mediaCacheDirectoryExtensionHandle);
	SandboxExtension::consumePermanently(parameters.mediaKeyStorageDirectoryExtensionHandle);
	#if PLATFORM(IOS)
	SandboxExtension::consumePermanently(parameters.cookieStorageDirectoryExtensionHandle);
	SandboxExtension::consumePermanently(parameters.containerCachesDirectoryExtensionHandle);
	SandboxExtension::consumePermanently(parameters.containerTemporaryDirectoryExtensionHandle);
	#endif
	#endif

	#if PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101100
	setSharedHTTPCookieStorage(parameters.uiProcessCookieStorageIdentifier);
	#endif

	auto urlCache = adoptNS([[NSURLCache alloc] initWithMemoryCapacity:0 diskCapacity:0 diskPath:nil]);
	[NSURLCache setSharedURLCache:urlCache.get()];

	#if PLATFORM(MAC)
	WebCore::FontCache::setFontWhitelist(parameters.fontWhitelist);
	#endif

	m_compositingRenderServerPort = WTFMove(parameters.acceleratedCompositingPort);
	m_presenterApplicationPid = parameters.presenterApplicationPid;

	MemoryPressureHandler::ReliefLogger::setLoggingEnabled(parameters.shouldEnableMemoryPressureReliefLogging);

	#if PLATFORM(IOS)
	// Track the number of vnodes we are using on iOS and make sure we only use a
	// reasonable amount because limits are fairly low on iOS devices and we can
	// get killed when reaching the limit.
	VNodeTracker::singleton().setPressureHandler([] (Critical critical) {
	MemoryPressureHandler::singleton().releaseMemory(critical);
	});
	#endif

	setEnhancedAccessibility(parameters.accessibilityEnhancedUserInterfaceEnabled);

	#if USE(APPKIT)
	[[NSUserDefaults standardUserDefaults] registerDefaults:@{ @"NSApplicationCrashOnExceptions" : @YES }];

	// rdar://9118639 accessibilityFocusedUIElement in NSApplication defaults to use the keyWindow. Since there's
	// no window in WK2, NSApplication needs to use the focused page's focused element.
	Method methodToPatch = class_getInstanceMethod([NSApplication class], @selector(accessibilityFocusedUIElement));
	method_setImplementation(methodToPatch, (IMP)NSApplicationAccessibilityFocusedUIElement);
	#endif
	#if TARGET_OS_IPHONE \|\| (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101100)
	_CFNetworkSetATSContext(parameters.networkATSContext.get());
	#endif

	#if TARGET_OS_IPHONE
	// Priority decay on iOS 9 is impacting page load time so we fix the priority of the WebProcess' main thread (rdar://problem/22003112).
	pthread_set_fixedpriority_self();
	#endif
	}

	void WebProcess::initializeProcessName(const ChildProcessInitializationParameters& parameters)
	{
	#if !PLATFORM(IOS)
	NSString *applicationName;
	if (parameters.extraInitializationData.get(ASCIILiteral("inspector-process")) == "1")
	applicationName = [NSString stringWithFormat:WEB_UI_STRING("%@ Web Inspector", "Visible name of Web Inspector's web process. The argument is the application name."), (NSString *)parameters.uiProcessName];
	else
	applicationName = [NSString stringWithFormat:WEB_UI_STRING("%@ Web Content", "Visible name of the web process. The argument is the application name."), (NSString *)parameters.uiProcessName];
	WKSetVisibleApplicationName((CFStringRef)applicationName);
	#endif
	}

	static void registerWithAccessibility()
	{
	#if USE(APPKIT)
	[NSAccessibilityRemoteUIElement setRemoteUIApp:YES];
	#endif
	#if PLATFORM(IOS)
	NSString accessibilityBundlePath = [(NSString )GSSystemRootDirectory() stringByAppendingString:@"/System/Library/AccessibilityBundles/WebProcessLoader.axbundle"];
	NSError *error = nil;
	if (![[NSBundle bundleWithPath:accessibilityBundlePath] loadAndReturnError:&error])
	LOG_ERROR("Failed to load accessibility bundle at %@: %@", accessibilityBundlePath, error);
	#endif
	}

	#if USE(OS_STATE)
	void WebProcess::registerWithStateDumper()
	{
	os_state_add_handler(dispatch_get_main_queue(), ^(os_state_hints_t hints) {

	@autoreleasepool {
	os_state_data_t os_state = nil;

	// Only gather state on faults and sysdiagnose. It's overkill for
	// general error messages.
	if (hints->osh_api == OS_STATE_API_ERROR)
	return os_state;

	// Create a dictionary to contain the collected state. This
	// dictionary will be serialized and passed back to os_state.
	auto stateDict = adoptNS([[NSMutableDictionary alloc] init]);

	auto pageLoadTimes = adoptNS([[NSMutableArray alloc] init]);
	for (auto& page : m_pageMap.values()) {
	if (page->usesEphemeralSession())
	continue;

	NSDate* date = [NSDate dateWithTimeIntervalSince1970:std::chrono::system_clock::to_time_t(page->loadCommitTime())];
	[pageLoadTimes addObject:date];
	}

	// Adding an empty array to the process state may provide an
	// indication of the existance of private sessions, which we'd like
	// to hide, so don't add empty arrays.
	if ([pageLoadTimes count])
	[stateDict setObject:pageLoadTimes.get() forKey:@"Page Load Times"];

	// --- Possibly add other state here as other entries in the dictionary. ---

	// Submitting an empty process state object may provide an
	// indication of the existance of private sessions, which we'd like
	// to hide, so don't return empty dictionaries.
	if (![stateDict count])
	return os_state;

	// Serialize the accumulated process state so that we can put the
	// result in an os_state_data_t structure.
	NSError* error = nil;
	NSData* data = [NSPropertyListSerialization dataWithPropertyList:stateDict.get() format:NSPropertyListBinaryFormat_v1_0 options:0 error:&error];

	if (!data) {
	ASSERT(data);
	return os_state;
	}

	size_t neededSize = OS_STATE_DATA_SIZE_NEEDED(data.length);
	os_state = (os_state_data_t)malloc(neededSize);
	if (os_state) {
	memset(os_state, 0, neededSize);
	os_state->osd_type = OS_STATE_DATA_SERIALIZED_NSCF_OBJECT;
	os_state->osd_data_size = data.length;
	strcpy(os_state->osd_title, "WebContent state"); // NB: Only 64 bytes of buffer here.
	memcpy(os_state->osd_data, data.bytes, data.length);
	}

	return os_state;
	}
	});
	}
	#endif

	void WebProcess::platformInitializeProcess(const ChildProcessInitializationParameters&)
	{
	registerWithAccessibility();

	#if USE(OS_STATE)
	registerWithStateDumper();
	#endif

	#if ENABLE(SEC_ITEM_SHIM)
	initializeSecItemShim(*this);
	#endif
	}

	#if USE(APPKIT)
	void WebProcess::stopRunLoop()
	{
	ChildProcess::stopNSAppRunLoop();
	}
	#endif

	void WebProcess::platformTerminate()
	{
	}

	RetainPtr<CFDataRef> WebProcess::sourceApplicationAuditData() const
	{
	#if PLATFORM(IOS)
	audit_token_t auditToken;
	ASSERT(parentProcessConnection());
	if (!parentProcessConnection() \|\| !parentProcessConnection()->getAuditToken(auditToken))
	return nullptr;
	return adoptCF(CFDataCreate(nullptr, (const UInt8*)&auditToken, sizeof(auditToken)));
	#else
	return nullptr;
	#endif
	}

	void WebProcess::initializeSandbox(const ChildProcessInitializationParameters& parameters, SandboxInitializationParameters& sandboxParameters)
	{
	#if ENABLE(WEB_PROCESS_SANDBOX)
	#if ENABLE(MANUAL_SANDBOXING)
	// Need to override the default, because service has a different bundle ID.
	#if WK_API_ENABLED
	NSBundle *webKit2Bundle = [NSBundle bundleForClass:NSClassFromString(@"WKWebView")];
	#else
	NSBundle *webKit2Bundle = [NSBundle bundleForClass:NSClassFromString(@"WKView")];
	#endif
	#if PLATFORM(IOS)
	sandboxParameters.setOverrideSandboxProfilePath([webKit2Bundle pathForResource:@"com.apple.WebKit.WebContent" ofType:@"sb"]);
	#else
	sandboxParameters.setOverrideSandboxProfilePath([webKit2Bundle pathForResource:@"com.apple.WebProcess" ofType:@"sb"]);
	#endif
	ChildProcess::initializeSandbox(parameters, sandboxParameters);
	#endif
	#else
	UNUSED_PARAM(parameters);
	UNUSED_PARAM(sandboxParameters);
	#endif
	}

	#if PLATFORM(MAC)

	static NSURL *origin(WebPage& page)
	{
	WebFrame* mainFrame = page.mainWebFrame();
	if (!mainFrame)
	return nil;

	URL mainFrameURL(URL(), mainFrame->url());
	Ref<SecurityOrigin> mainFrameOrigin = SecurityOrigin::create(mainFrameURL);
	String mainFrameOriginString;
	if (!mainFrameOrigin->isUnique())
	mainFrameOriginString = mainFrameOrigin->toRawString();
	else
	mainFrameOriginString = mainFrameURL.protocol() + ':'; // toRawString() is not supposed to work with unique origins, and would just return "://".

	// +[NSURL URLWithString:] returns nil when its argument is malformed. It's unclear when we would have a malformed URL here,
	// but it happens in practice according to <rdar://problem/14173389>. Leaving an assertion in to catch a reproducible case.
	ASSERT([NSURL URLWithString:mainFrameOriginString]);

	return [NSURL URLWithString:mainFrameOriginString];
	}

	#endif

	void WebProcess::updateActivePages()
	{
	#if PLATFORM(MAC)
	auto activePageURLs = adoptNS([[NSMutableArray alloc] init]);

	for (auto& page : m_pageMap.values()) {
	if (page->usesEphemeralSession())
	continue;

	if (NSURL originAsURL = origin(page))
	[activePageURLs addObject:userVisibleString(originAsURL)];
	}

	dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), [activePageURLs] {
	WKSetApplicationInformationItem(CFSTR("LSActivePageUserVisibleOriginsKey"), (__bridge CFArrayRef)activePageURLs.get());
	});
	#endif
	}

	RefPtr<ObjCObjectGraph> WebProcess::transformHandlesToObjects(ObjCObjectGraph& objectGraph)
	{
	struct Transformer final : ObjCObjectGraph::Transformer {
	Transformer(WebProcess& webProcess)
	: m_webProcess(webProcess)
	{
	}

	bool shouldTransformObject(id object) const override
	{
	#if WK_API_ENABLED
	if (dynamic_objc_cast<WKBrowsingContextHandle>(object))
	return true;

	if (dynamic_objc_cast<WKTypeRefWrapper>(object))
	return true;
	#endif
	return false;
	}

	RetainPtr<id> transformObject(id object) const override
	{
	#if WK_API_ENABLED
	if (auto* handle = dynamic_objc_cast<WKBrowsingContextHandle>(object)) {
	if (auto* webPage = m_webProcess.webPage(handle._pageID))
	return wrapper(*webPage);

	return [NSNull null];
	}

	if (auto* wrapper = dynamic_objc_cast<WKTypeRefWrapper>(object))
	return adoptNS([[WKTypeRefWrapper alloc] initWithObject:toAPI(m_webProcess.transformHandlesToObjects(toImpl(wrapper.object)).get())]);
	#endif
	return object;
	}

	WebProcess& m_webProcess;
	};

	return ObjCObjectGraph::create(ObjCObjectGraph::transform(objectGraph.rootObject(), Transformer(*this)).get());
	}

	RefPtr<ObjCObjectGraph> WebProcess::transformObjectsToHandles(ObjCObjectGraph& objectGraph)
	{
	struct Transformer final : ObjCObjectGraph::Transformer {
	bool shouldTransformObject(id object) const override
	{
	#if WK_API_ENABLED
	if (dynamic_objc_cast<WKWebProcessPlugInBrowserContextController>(object))
	return true;

	if (dynamic_objc_cast<WKTypeRefWrapper>(object))
	return true;
	#endif

	return false;
	}

	RetainPtr<id> transformObject(id object) const override
	{
	#if WK_API_ENABLED
	if (auto* controller = dynamic_objc_cast<WKWebProcessPlugInBrowserContextController>(object))
	return controller.handle;

	if (auto* wrapper = dynamic_objc_cast<WKTypeRefWrapper>(object))
	return adoptNS([[WKTypeRefWrapper alloc] initWithObject:toAPI(transformObjectsToHandles(toImpl(wrapper.object)).get())]);
	#endif
	return object;
	}
	};

	return ObjCObjectGraph::create(ObjCObjectGraph::transform(objectGraph.rootObject(), Transformer()).get());
	}

	void WebProcess::destroyRenderingResources()
	{
	WKDestroyRenderingResources();
	}

	} // namespace WebKit