/* * 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 "SandboxExtension.h" #import "SandboxInitializationParameters.h" #import "WKFullKeyboardAccessWatcher.h" #import "WebFrame.h" #import "WebInspector.h" #import "WebPage.h" #import "WebProcessCreationParameters.h" #import "WebProcessProxyMessages.h" #import <WebCore/AXObjectCache.h> #import <WebCore/FileSystem.h> #import <WebCore/Font.h> #import <WebCore/LocalizedStrings.h> #import <WebCore/MemoryCache.h> #import <WebCore/PageCache.h> #import <WebCore/WebCoreNSURLExtras.h> #import <WebKitSystemInterface.h> #import <algorithm> #import <dispatch/dispatch.h> #import <mach/host_info.h> #import <mach/mach.h> #import <mach/mach_error.h> #import <objc/runtime.h> #import <stdio.h> #if USE(SECURITY_FRAMEWORK) #import "SecItemShim.h" #endif using namespace WebCore; const CFStringRef kLSActivePageUserVisibleOriginsKey = CFSTR("LSActivePageUserVisibleOriginsKey"); namespace WebKit { static uint64_t memorySize() { static host_basic_info_data_t hostInfo; static dispatch_once_t once; dispatch_once(&once, ^() { mach_port_t host = mach_host_self(); mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT; kern_return_t r = host_info(host, HOST_BASIC_INFO, (host_info_t)&hostInfo, &count); mach_port_deallocate(mach_task_self(), host); if (r != KERN_SUCCESS) LOG_ERROR("%s : host_info(%d) : %s.\n", __FUNCTION__, r, mach_error_string(r)); }); return hostInfo.max_mem; } static uint64_t volumeFreeSize(NSString *path) { NSDictionary *fileSystemAttributesDictionary = [[NSFileManager defaultManager] attributesOfFileSystemForPath:path error:NULL]; return [[fileSystemAttributesDictionary objectForKey:NSFileSystemFreeSize] unsignedLongLongValue]; } void WebProcess::platformSetCacheModel(CacheModel cacheModel) { RetainPtr<NSString> nsurlCacheDirectory = adoptNS((NSString *)WKCopyFoundationCacheDirectory()); if (!nsurlCacheDirectory) nsurlCacheDirectory = NSHomeDirectory(); // As a fudge factor, use 1000 instead of 1024, in case the reported byte // count doesn't align exactly to a megabyte boundary. uint64_t memSize = memorySize() / 1024 / 1000; uint64_t diskFreeSize = volumeFreeSize(nsurlCacheDirectory.get()) / 1024 / 1000; unsigned cacheTotalCapacity = 0; unsigned cacheMinDeadCapacity = 0; unsigned cacheMaxDeadCapacity = 0; double deadDecodedDataDeletionInterval = 0; unsigned pageCacheCapacity = 0; unsigned long urlCacheMemoryCapacity = 0; unsigned long urlCacheDiskCapacity = 0; calculateCacheSizes(cacheModel, memSize, diskFreeSize, cacheTotalCapacity, cacheMinDeadCapacity, cacheMaxDeadCapacity, deadDecodedDataDeletionInterval, pageCacheCapacity, urlCacheMemoryCapacity, urlCacheDiskCapacity); memoryCache()->setCapacities(cacheMinDeadCapacity, cacheMaxDeadCapacity, cacheTotalCapacity); memoryCache()->setDeadDecodedDataDeletionInterval(deadDecodedDataDeletionInterval); pageCache()->setCapacity(pageCacheCapacity); NSURLCache *nsurlCache = [NSURLCache sharedURLCache]; #if ENABLE(NETWORK_PROCESS) // FIXME: Once there is no loading being done in the WebProcess, we should remove this, // as calling [NSURLCache sharedURLCache] initializes the cache, which we would rather not do. if (m_usesNetworkProcess) { [nsurlCache setMemoryCapacity:0]; [nsurlCache setDiskCapacity:0]; return; } #endif [nsurlCache setMemoryCapacity:urlCacheMemoryCapacity]; [nsurlCache setDiskCapacity:max<unsigned long>(urlCacheDiskCapacity, [nsurlCache diskCapacity])]; // Don't shrink a big disk cache, since that would cause churn. } void WebProcess::platformClearResourceCaches(ResourceCachesToClear cachesToClear) { if (cachesToClear == InMemoryResourceCachesOnly) return; // If we're using the network process then it is the only one that needs to clear the disk cache. if (usesNetworkProcess()) return; if (!m_clearResourceCachesDispatchGroup) m_clearResourceCachesDispatchGroup = dispatch_group_create(); dispatch_group_async(m_clearResourceCachesDispatchGroup, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ [[NSURLCache sharedURLCache] removeAllCachedResponses]; }); } static id NSApplicationAccessibilityFocusedUIElement(NSApplication*, SEL) { WebPage* page = WebProcess::shared().focusedWebPage(); if (!page || !page->accessibilityRemoteObject()) return 0; return [page->accessibilityRemoteObject() accessibilityFocusedUIElement]; } void WebProcess::platformInitializeWebProcess(const WebProcessCreationParameters& parameters, CoreIPC::MessageDecoder&) { SandboxExtension::consumePermanently(parameters.uiProcessBundleResourcePathExtensionHandle); SandboxExtension::consumePermanently(parameters.localStorageDirectoryExtensionHandle); SandboxExtension::consumePermanently(parameters.databaseDirectoryExtensionHandle); SandboxExtension::consumePermanently(parameters.applicationCacheDirectoryExtensionHandle); SandboxExtension::consumePermanently(parameters.diskCacheDirectoryExtensionHandle); // When the network process is enabled, each web process wants a stand-alone // NSURLCache, which it can disable to save memory. #if ENABLE(NETWORK_PROCESS) if (!m_usesNetworkProcess) { #endif if (!parameters.diskCacheDirectory.isNull()) { [NSURLCache setSharedURLCache:adoptNS([[NSURLCache alloc] initWithMemoryCapacity:parameters.nsURLCacheMemoryCapacity diskCapacity:parameters.nsURLCacheDiskCapacity diskPath:parameters.diskCacheDirectory]).get()]; } #if ENABLE(NETWORK_PROCESS) } #endif m_shouldForceScreenFontSubstitution = parameters.shouldForceScreenFontSubstitution; Font::setDefaultTypesettingFeatures(parameters.shouldEnableKerningAndLigaturesByDefault ? Kerning | Ligatures : 0); m_compositingRenderServerPort = parameters.acceleratedCompositingPort.port(); m_presenterApplicationPid = parameters.presenterApplicationPid; setEnhancedAccessibility(parameters.accessibilityEnhancedUserInterfaceEnabled); // 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); } void WebProcess::initializeProcessName(const ChildProcessInitializationParameters& parameters) { NSString *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); } void WebProcess::platformInitializeProcess(const ChildProcessInitializationParameters&) { WKAXRegisterRemoteApp(); #if USE(SECURITY_FRAMEWORK) SecItemShim::shared().initialize(this); #endif } void WebProcess::platformTerminate() { if (m_clearResourceCachesDispatchGroup) { dispatch_group_wait(m_clearResourceCachesDispatchGroup, DISPATCH_TIME_FOREVER); dispatch_release(m_clearResourceCachesDispatchGroup); m_clearResourceCachesDispatchGroup = 0; } } void WebProcess::initializeSandbox(const ChildProcessInitializationParameters& parameters, SandboxInitializationParameters& sandboxParameters) { // Need to overide the default, because service has a different bundle ID. NSBundle *webkit2Bundle = [NSBundle bundleForClass:NSClassFromString(@"WKView")]; sandboxParameters.setOverrideSandboxProfilePath([webkit2Bundle pathForResource:@"com.apple.WebProcess" ofType:@"sb"]); ChildProcess::initializeSandbox(parameters, sandboxParameters); } void WebProcess::updateActivePages() { #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090 RetainPtr<CFMutableArrayRef> activePageURLs = adoptCF(CFArrayCreateMutable(0, 0, &kCFTypeArrayCallBacks)); for (const auto& iter: m_pageMap) { WebPage* page = iter.value.get(); WebFrame* mainFrame = page->mainWebFrame(); if (!mainFrame) continue; String mainFrameOriginString; RefPtr<SecurityOrigin> mainFrameOrigin = SecurityOrigin::createFromString(mainFrame->url()); if (!mainFrameOrigin->isUnique()) mainFrameOriginString = mainFrameOrigin->toRawString(); else mainFrameOriginString = KURL(KURL(), mainFrame->url()).protocol() + ':'; // toRawString() is not supposed to work with unique origins, and would just return "://". NSURL *originAsNSURL = [NSURL URLWithString:mainFrameOriginString]; // +[NSURL URLWithString:] returns nil when its argument is malformed. It's unclear how we can possibly 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(originAsNSURL); NSString *userVisibleOriginString = originAsNSURL ? userVisibleString(originAsNSURL) : @"(null)"; CFArrayAppendValue(activePageURLs.get(), userVisibleOriginString); } WKSetApplicationInformationItem(kLSActivePageUserVisibleOriginsKey, activePageURLs.get()); #endif } } // namespace WebKit