forked from mirrors/gecko-dev
5067 lines
172 KiB
C++
5067 lines
172 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifdef MOZ_WIDGET_ANDROID
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# include "AndroidDecoderModule.h"
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#endif
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#include "BrowserChild.h"
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#include "nsNSSComponent.h"
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#include "ContentChild.h"
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#include "GeckoProfiler.h"
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#include "HandlerServiceChild.h"
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#include "nsXPLookAndFeel.h"
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#include "mozilla/AppShutdown.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/BackgroundHangMonitor.h"
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#include "mozilla/BenchmarkStorageChild.h"
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#include "mozilla/FOGIPC.h"
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#include "GMPServiceChild.h"
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#include "Geolocation.h"
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#include "imgLoader.h"
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#include "ScrollingMetrics.h"
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#include "mozilla/BasePrincipal.h"
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#include "mozilla/ClipboardReadRequestChild.h"
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#include "mozilla/Components.h"
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#include "mozilla/HangDetails.h"
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#include "mozilla/LoadInfo.h"
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#include "mozilla/Logging.h"
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#include "mozilla/LookAndFeel.h"
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#include "mozilla/MemoryTelemetry.h"
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#include "mozilla/NullPrincipal.h"
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#include "mozilla/PerfStats.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/ProcessHangMonitorIPC.h"
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#include "mozilla/RemoteDecoderManagerChild.h"
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#include "mozilla/RemoteLazyInputStreamChild.h"
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#include "mozilla/SchedulerGroup.h"
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#include "mozilla/ScopeExit.h"
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#include "mozilla/SharedStyleSheetCache.h"
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#include "mozilla/SimpleEnumerator.h"
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#include "mozilla/SpinEventLoopUntil.h"
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#include "mozilla/StaticPrefs_browser.h"
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#include "mozilla/StaticPrefs_dom.h"
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#include "mozilla/StaticPrefs_fission.h"
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#include "mozilla/StaticPrefs_javascript.h"
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#include "mozilla/StaticPrefs_media.h"
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#include "mozilla/StaticPrefs_threads.h"
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#include "mozilla/StorageAccessAPIHelper.h"
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#include "mozilla/TelemetryIPC.h"
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#include "mozilla/Unused.h"
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#include "mozilla/WebBrowserPersistDocumentChild.h"
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#include "mozilla/devtools/HeapSnapshotTempFileHelperChild.h"
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#include "mozilla/dom/AutoSuppressEventHandlingAndSuspend.h"
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#include "mozilla/dom/BlobImpl.h"
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#include "mozilla/dom/BrowserBridgeHost.h"
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#include "mozilla/dom/BrowsingContext.h"
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#include "mozilla/dom/BrowsingContextGroup.h"
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#include "mozilla/dom/ChildProcessChannelListener.h"
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#include "mozilla/dom/ChildProcessMessageManager.h"
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#include "mozilla/dom/ClientManager.h"
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#include "mozilla/dom/ContentParent.h"
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#include "mozilla/dom/ContentProcessManager.h"
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#include "mozilla/dom/ContentPlaybackController.h"
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#include "mozilla/dom/ContentProcessMessageManager.h"
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#include "mozilla/dom/DataTransfer.h"
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#include "mozilla/dom/DocGroup.h"
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#include "mozilla/dom/ExternalHelperAppChild.h"
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#include "mozilla/dom/GetFilesHelper.h"
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#include "mozilla/dom/IPCBlobUtils.h"
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#include "mozilla/dom/InProcessChild.h"
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#include "mozilla/dom/JSActorService.h"
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#include "mozilla/dom/JSProcessActorBinding.h"
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#include "mozilla/dom/JSProcessActorChild.h"
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#include "mozilla/dom/LSObject.h"
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#include "mozilla/dom/MemoryReportRequest.h"
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#include "mozilla/dom/PSessionStorageObserverChild.h"
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#include "mozilla/dom/PostMessageEvent.h"
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#include "mozilla/dom/PushNotifier.h"
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#include "mozilla/dom/RemoteWorkerService.h"
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#include "mozilla/dom/ScreenOrientation.h"
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#include "mozilla/dom/ServiceWorkerManager.h"
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#include "mozilla/dom/SessionStorageManager.h"
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#include "mozilla/dom/URLClassifierChild.h"
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#include "mozilla/dom/UserActivation.h"
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#include "mozilla/dom/WindowGlobalChild.h"
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#include "mozilla/dom/WorkerDebugger.h"
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#include "mozilla/dom/WorkerDebuggerManager.h"
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#include "mozilla/dom/ipc/SharedMap.h"
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#include "mozilla/extensions/ExtensionsChild.h"
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#include "mozilla/extensions/StreamFilterParent.h"
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#include "mozilla/gfx/Logging.h"
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#include "mozilla/gfx/gfxVars.h"
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#include "mozilla/hal_sandbox/PHalChild.h"
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#include "mozilla/intl/L10nRegistry.h"
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#include "mozilla/intl/LocaleService.h"
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#include "mozilla/ipc/BackgroundChild.h"
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#include "mozilla/ipc/Endpoint.h"
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#include "mozilla/ipc/FileDescriptorUtils.h"
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#include "mozilla/ipc/GeckoChildProcessHost.h"
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#include "mozilla/ipc/ProcessChild.h"
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#include "mozilla/ipc/TestShellChild.h"
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#include "mozilla/layers/APZChild.h"
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#include "mozilla/layers/CompositorManagerChild.h"
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#include "mozilla/layers/ContentProcessController.h"
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#include "mozilla/layers/ImageBridgeChild.h"
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#ifdef NS_PRINTING
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# include "mozilla/layout/RemotePrintJobChild.h"
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#endif
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#include "mozilla/loader/ScriptCacheActors.h"
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#include "mozilla/media/MediaChild.h"
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#include "mozilla/net/CaptivePortalService.h"
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#include "mozilla/net/ChildDNSService.h"
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#include "mozilla/net/CookieServiceChild.h"
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#include "mozilla/net/DocumentChannelChild.h"
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#include "mozilla/net/HttpChannelChild.h"
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#include "mozilla/widget/RemoteLookAndFeel.h"
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#include "mozilla/widget/ScreenManager.h"
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#include "mozilla/widget/WidgetMessageUtils.h"
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#include "nsBaseDragService.h"
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#include "nsDocShellLoadTypes.h"
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#include "nsFocusManager.h"
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#include "nsHttpHandler.h"
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#include "nsIConsoleService.h"
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#include "nsIInputStreamChannel.h"
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#include "nsILayoutHistoryState.h"
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#include "nsILoadGroup.h"
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#include "nsIOpenWindowInfo.h"
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#include "nsISimpleEnumerator.h"
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#include "nsIStringBundle.h"
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#include "nsIURIMutator.h"
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#include "nsQueryObject.h"
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#include "nsRefreshDriver.h"
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#include "nsSandboxFlags.h"
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#include "mozmemory.h"
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#include "ChildProfilerController.h"
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#if defined(MOZ_SANDBOX)
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# include "mozilla/SandboxSettings.h"
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# if defined(XP_WIN)
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# include "mozilla/sandboxTarget.h"
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# elif defined(XP_LINUX)
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# include "CubebUtils.h"
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# include "mozilla/Sandbox.h"
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# include "mozilla/SandboxInfo.h"
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# elif defined(XP_MACOSX)
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# include <CoreGraphics/CGError.h>
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# include "mozilla/Sandbox.h"
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# elif defined(__OpenBSD__)
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# include <err.h>
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# include <sys/stat.h>
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# include <unistd.h>
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# include <fstream>
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# include "BinaryPath.h"
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# include "SpecialSystemDirectory.h"
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# include "nsILineInputStream.h"
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# include "mozilla/ipc/UtilityProcessSandboxing.h"
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# endif
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# if defined(MOZ_DEBUG) && defined(ENABLE_TESTS)
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# include "mozilla/SandboxTestingChild.h"
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# endif
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#endif
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#include "SandboxHal.h"
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#include "mozInlineSpellChecker.h"
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#include "mozilla/GlobalStyleSheetCache.h"
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#include "nsAnonymousTemporaryFile.h"
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#include "nsCategoryManagerUtils.h"
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#include "nsClipboardProxy.h"
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#include "nsContentPermissionHelper.h"
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#include "nsDebugImpl.h"
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#include "nsDirectoryService.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsDirectoryServiceUtils.h"
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#include "nsDocShell.h"
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#include "nsDocShellLoadState.h"
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#include "nsHashPropertyBag.h"
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#include "nsIConsoleListener.h"
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#include "nsICycleCollectorListener.h"
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#include "nsIDocShellTreeOwner.h"
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#include "nsIDocumentViewer.h"
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#include "nsIDragService.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsIMemoryInfoDumper.h"
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#include "nsIMemoryReporter.h"
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#include "nsIObserverService.h"
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#include "nsIOService.h"
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#include "nsIScriptError.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsJSEnvironment.h"
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#include "nsJSUtils.h"
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#include "nsMemoryInfoDumper.h"
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#include "nsServiceManagerUtils.h"
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#include "nsStyleSheetService.h"
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#include "nsThreadManager.h"
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#include "nsVariant.h"
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#include "nsXULAppAPI.h"
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#include "IHistory.h"
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#include "ReferrerInfo.h"
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#include "base/message_loop.h"
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#include "base/process_util.h"
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#include "base/task.h"
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#include "mozilla/dom/BlobURLProtocolHandler.h"
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#include "mozilla/dom/PCycleCollectWithLogsChild.h"
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#include "mozilla/dom/PerformanceStorage.h"
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#include "nsChromeRegistryContent.h"
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#include "nsFrameMessageManager.h"
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#include "nsNetUtil.h"
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#include "nsWindowMemoryReporter.h"
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#ifdef MOZ_WEBRTC
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# include "jsapi/WebrtcGlobalChild.h"
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#endif
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#include "PermissionMessageUtils.h"
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#include "mozilla/Permission.h"
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#include "mozilla/PermissionManager.h"
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#if defined(MOZ_WIDGET_ANDROID)
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# include "APKOpen.h"
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# include <sched.h>
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#endif
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#ifdef XP_WIN
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# include <process.h>
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# define getpid _getpid
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# include "mozilla/WinDllServices.h"
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#endif
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#if defined(XP_MACOSX)
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# include "nsMacUtilsImpl.h"
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# include <sys/qos.h>
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#endif /* XP_MACOSX */
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#ifdef MOZ_X11
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# include "mozilla/X11Util.h"
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#endif
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#ifdef ACCESSIBILITY
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# include "nsAccessibilityService.h"
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# ifdef XP_WIN
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# include "mozilla/a11y/AccessibleWrap.h"
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# endif
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# include "mozilla/a11y/DocAccessible.h"
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# include "mozilla/a11y/DocManager.h"
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# include "mozilla/a11y/OuterDocAccessible.h"
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#endif
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#include "mozilla/dom/File.h"
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#include "mozilla/dom/MediaControllerBinding.h"
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#ifdef MOZ_WEBSPEECH
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# include "mozilla/dom/PSpeechSynthesisChild.h"
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#endif
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#include "ClearOnShutdown.h"
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#include "DomainPolicy.h"
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#include "GfxInfoBase.h"
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#include "MMPrinter.h"
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#include "mozilla/ipc/ProcessUtils.h"
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#include "mozilla/ipc/URIUtils.h"
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#include "VRManagerChild.h"
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#include "gfxPlatform.h"
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#include "gfxPlatformFontList.h"
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#include "mozilla/RemoteSpellCheckEngineChild.h"
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#include "mozilla/dom/TabContext.h"
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#include "mozilla/dom/ipc/StructuredCloneData.h"
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#include "mozilla/ipc/CrashReporterClient.h"
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#include "mozilla/net/NeckoMessageUtils.h"
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#include "mozilla/widget/PuppetBidiKeyboard.h"
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#include "nsContentUtils.h"
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#include "nsIPrincipal.h"
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#include "nsString.h"
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#include "nscore.h" // for NS_FREE_PERMANENT_DATA
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#include "private/pprio.h"
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#ifdef MOZ_WIDGET_GTK
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# include "mozilla/WidgetUtilsGtk.h"
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# include "nsAppRunner.h"
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# include <gtk/gtk.h>
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#endif
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#ifdef MOZ_CODE_COVERAGE
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# include "mozilla/CodeCoverageHandler.h"
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#endif
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extern mozilla::LazyLogModule gSHIPBFCacheLog;
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using namespace mozilla;
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using namespace mozilla::dom::ipc;
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using namespace mozilla::media;
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using namespace mozilla::embedding;
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using namespace mozilla::gmp;
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using namespace mozilla::hal_sandbox;
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using namespace mozilla::ipc;
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using namespace mozilla::intl;
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using namespace mozilla::layers;
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using namespace mozilla::layout;
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using namespace mozilla::net;
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using namespace mozilla::widget;
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using mozilla::loader::PScriptCacheChild;
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namespace geckoprofiler::markers {
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struct ProcessPriorityChange {
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static constexpr Span<const char> MarkerTypeName() {
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return MakeStringSpan("ProcessPriorityChange");
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}
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static void StreamJSONMarkerData(baseprofiler::SpliceableJSONWriter& aWriter,
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const ProfilerString8View& aPreviousPriority,
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const ProfilerString8View& aNewPriority) {
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aWriter.StringProperty("Before", aPreviousPriority);
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aWriter.StringProperty("After", aNewPriority);
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}
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static MarkerSchema MarkerTypeDisplay() {
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using MS = MarkerSchema;
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MS schema{MS::Location::MarkerChart, MS::Location::MarkerTable};
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schema.AddKeyFormat("Before", MS::Format::String);
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schema.AddKeyFormat("After", MS::Format::String);
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schema.AddStaticLabelValue("Note",
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"This is a notification of the priority change "
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"that was done by the parent process");
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schema.SetAllLabels(
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"priority: {marker.data.Before} -> {marker.data.After}");
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return schema;
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}
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};
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struct ProcessPriority {
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static constexpr Span<const char> MarkerTypeName() {
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return MakeStringSpan("ProcessPriority");
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}
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static void StreamJSONMarkerData(baseprofiler::SpliceableJSONWriter& aWriter,
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const ProfilerString8View& aPriority,
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const ProfilingState& aProfilingState) {
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aWriter.StringProperty("Priority", aPriority);
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aWriter.StringProperty("Marker cause",
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ProfilerString8View::WrapNullTerminatedString(
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ProfilingStateToString(aProfilingState)));
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}
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static MarkerSchema MarkerTypeDisplay() {
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using MS = MarkerSchema;
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MS schema{MS::Location::MarkerChart, MS::Location::MarkerTable};
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schema.AddKeyFormat("Priority", MS::Format::String);
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schema.AddKeyFormat("Marker cause", MS::Format::String);
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schema.SetAllLabels("priority: {marker.data.Priority}");
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return schema;
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}
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};
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} // namespace geckoprofiler::markers
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namespace mozilla {
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namespace dom {
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// IPC sender for remote GC/CC logging.
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class CycleCollectWithLogsChild final : public PCycleCollectWithLogsChild {
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public:
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NS_INLINE_DECL_REFCOUNTING(CycleCollectWithLogsChild)
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class Sink final : public nsICycleCollectorLogSink {
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NS_DECL_ISUPPORTS
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Sink(CycleCollectWithLogsChild* aActor, const FileDescriptor& aGCLog,
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const FileDescriptor& aCCLog) {
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mActor = aActor;
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mGCLog = FileDescriptorToFILE(aGCLog, "w");
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mCCLog = FileDescriptorToFILE(aCCLog, "w");
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}
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NS_IMETHOD Open(FILE** aGCLog, FILE** aCCLog) override {
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if (NS_WARN_IF(!mGCLog) || NS_WARN_IF(!mCCLog)) {
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return NS_ERROR_FAILURE;
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}
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*aGCLog = mGCLog;
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*aCCLog = mCCLog;
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return NS_OK;
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}
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NS_IMETHOD CloseGCLog() override {
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MOZ_ASSERT(mGCLog);
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fclose(mGCLog);
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mGCLog = nullptr;
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mActor->SendCloseGCLog();
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return NS_OK;
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}
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NS_IMETHOD CloseCCLog() override {
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MOZ_ASSERT(mCCLog);
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fclose(mCCLog);
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mCCLog = nullptr;
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mActor->SendCloseCCLog();
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return NS_OK;
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}
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NS_IMETHOD GetFilenameIdentifier(nsAString& aIdentifier) override {
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return UnimplementedProperty();
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}
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NS_IMETHOD SetFilenameIdentifier(const nsAString& aIdentifier) override {
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return UnimplementedProperty();
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}
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NS_IMETHOD GetProcessIdentifier(int32_t* aIdentifier) override {
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return UnimplementedProperty();
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}
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NS_IMETHOD SetProcessIdentifier(int32_t aIdentifier) override {
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return UnimplementedProperty();
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}
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NS_IMETHOD GetGcLog(nsIFile** aPath) override {
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return UnimplementedProperty();
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}
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NS_IMETHOD GetCcLog(nsIFile** aPath) override {
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return UnimplementedProperty();
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}
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private:
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~Sink() {
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if (mGCLog) {
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fclose(mGCLog);
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mGCLog = nullptr;
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}
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if (mCCLog) {
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fclose(mCCLog);
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mCCLog = nullptr;
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}
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// The XPCOM refcount drives the IPC lifecycle;
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Unused << mActor->Send__delete__(mActor);
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}
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nsresult UnimplementedProperty() {
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MOZ_ASSERT(false,
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"This object is a remote GC/CC logger;"
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" this property isn't meaningful.");
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return NS_ERROR_UNEXPECTED;
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}
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RefPtr<CycleCollectWithLogsChild> mActor;
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FILE* mGCLog;
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FILE* mCCLog;
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};
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private:
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~CycleCollectWithLogsChild() = default;
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};
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NS_IMPL_ISUPPORTS(CycleCollectWithLogsChild::Sink, nsICycleCollectorLogSink);
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class AlertObserver {
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public:
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AlertObserver(nsIObserver* aObserver, const nsString& aData)
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: mObserver(aObserver), mData(aData) {}
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~AlertObserver() = default;
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nsCOMPtr<nsIObserver> mObserver;
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nsString mData;
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};
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class ConsoleListener final : public nsIConsoleListener {
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public:
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explicit ConsoleListener(ContentChild* aChild) : mChild(aChild) {}
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NS_DECL_ISUPPORTS
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NS_DECL_NSICONSOLELISTENER
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private:
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~ConsoleListener() = default;
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ContentChild* mChild;
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friend class ContentChild;
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};
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NS_IMPL_ISUPPORTS(ConsoleListener, nsIConsoleListener)
|
|
|
|
// Before we send the error to the parent process (which
|
|
// involves copying the memory), truncate any long lines. CSS
|
|
// errors in particular share the memory for long lines with
|
|
// repeated errors, but the IPC communication we're about to do
|
|
// will break that sharing, so we better truncate now.
|
|
static void TruncateString(nsAString& aString) {
|
|
if (aString.Length() > 1000) {
|
|
aString.Truncate(1000);
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
ConsoleListener::Observe(nsIConsoleMessage* aMessage) {
|
|
if (!mChild) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIScriptError> scriptError = do_QueryInterface(aMessage);
|
|
if (scriptError) {
|
|
nsAutoString msg, sourceName, sourceLine;
|
|
nsCString category;
|
|
uint32_t lineNum, colNum, flags;
|
|
bool fromPrivateWindow, fromChromeContext;
|
|
|
|
nsresult rv = scriptError->GetErrorMessage(msg);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
TruncateString(msg);
|
|
rv = scriptError->GetSourceName(sourceName);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
TruncateString(sourceName);
|
|
rv = scriptError->GetSourceLine(sourceLine);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
TruncateString(sourceLine);
|
|
|
|
rv = scriptError->GetCategory(getter_Copies(category));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
rv = scriptError->GetLineNumber(&lineNum);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
rv = scriptError->GetColumnNumber(&colNum);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
rv = scriptError->GetFlags(&flags);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
rv = scriptError->GetIsFromPrivateWindow(&fromPrivateWindow);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
rv = scriptError->GetIsFromChromeContext(&fromChromeContext);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
{
|
|
AutoJSAPI jsapi;
|
|
jsapi.Init();
|
|
JSContext* cx = jsapi.cx();
|
|
|
|
JS::Rooted<JS::Value> stack(cx);
|
|
rv = scriptError->GetStack(&stack);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (stack.isObject()) {
|
|
// Because |stack| might be a cross-compartment wrapper, we can't use it
|
|
// with JSAutoRealm. Use the stackGlobal for that.
|
|
JS::Rooted<JS::Value> stackGlobal(cx);
|
|
rv = scriptError->GetStackGlobal(&stackGlobal);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
JSAutoRealm ar(cx, &stackGlobal.toObject());
|
|
|
|
StructuredCloneData data;
|
|
ErrorResult err;
|
|
data.Write(cx, stack, err);
|
|
if (err.Failed()) {
|
|
return err.StealNSResult();
|
|
}
|
|
|
|
ClonedMessageData cloned;
|
|
if (!data.BuildClonedMessageData(cloned)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
mChild->SendScriptErrorWithStack(
|
|
msg, sourceName, sourceLine, lineNum, colNum, flags, category,
|
|
fromPrivateWindow, fromChromeContext, cloned);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
mChild->SendScriptError(msg, sourceName, sourceLine, lineNum, colNum, flags,
|
|
category, fromPrivateWindow, 0, fromChromeContext);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsString msg;
|
|
nsresult rv = aMessage->GetMessageMoz(msg);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
mChild->SendConsoleMessage(msg);
|
|
return NS_OK;
|
|
}
|
|
|
|
#ifdef NIGHTLY_BUILD
|
|
/**
|
|
* The singleton of this class is registered with the BackgroundHangMonitor as
|
|
* an annotator, so that the hang monitor can record whether or not there were
|
|
* pending input events when the thread hung.
|
|
*/
|
|
class PendingInputEventHangAnnotator final : public BackgroundHangAnnotator {
|
|
public:
|
|
virtual void AnnotateHang(BackgroundHangAnnotations& aAnnotations) override {
|
|
int32_t pending = ContentChild::GetSingleton()->GetPendingInputEvents();
|
|
if (pending > 0) {
|
|
aAnnotations.AddAnnotation(u"PendingInput"_ns, pending);
|
|
}
|
|
}
|
|
|
|
static PendingInputEventHangAnnotator sSingleton;
|
|
};
|
|
PendingInputEventHangAnnotator PendingInputEventHangAnnotator::sSingleton;
|
|
#endif
|
|
|
|
class ContentChild::ShutdownCanary final {};
|
|
|
|
ContentChild* ContentChild::sSingleton;
|
|
StaticAutoPtr<ContentChild::ShutdownCanary> ContentChild::sShutdownCanary;
|
|
|
|
ContentChild::ContentChild()
|
|
: mID(uint64_t(-1)),
|
|
mIsForBrowser(false),
|
|
mIsAlive(true),
|
|
mShuttingDown(false) {
|
|
// This process is a content process, so it's clearly running in
|
|
// multiprocess mode!
|
|
nsDebugImpl::SetMultiprocessMode("Child");
|
|
|
|
// Our static analysis doesn't allow capturing ref-counted pointers in
|
|
// lambdas, so we need to hide it in a uintptr_t. This is safe because this
|
|
// lambda will be destroyed in ~ContentChild().
|
|
uintptr_t self = reinterpret_cast<uintptr_t>(this);
|
|
profiler_add_state_change_callback(
|
|
AllProfilingStates(),
|
|
[self](ProfilingState aProfilingState) {
|
|
const ContentChild* selfPtr =
|
|
reinterpret_cast<const ContentChild*>(self);
|
|
PROFILER_MARKER("Process Priority", OTHER,
|
|
mozilla::MarkerThreadId::MainThread(), ProcessPriority,
|
|
ProfilerString8View::WrapNullTerminatedString(
|
|
ProcessPriorityToString(selfPtr->mProcessPriority)),
|
|
aProfilingState);
|
|
},
|
|
self);
|
|
|
|
// When ContentChild is created, the observer service does not even exist.
|
|
// When ContentChild::RecvSetXPCOMProcessAttributes is called (the first
|
|
// IPDL call made on this object), shutdown may have already happened. Thus
|
|
// we create a canary here that relies upon getting cleared if shutdown
|
|
// happens without requiring the observer service at this time.
|
|
if (!sShutdownCanary) {
|
|
sShutdownCanary = new ShutdownCanary();
|
|
ClearOnShutdown(&sShutdownCanary, ShutdownPhase::XPCOMShutdown);
|
|
}
|
|
}
|
|
|
|
#ifdef _MSC_VER
|
|
# pragma warning(push)
|
|
# pragma warning( \
|
|
disable : 4722) /* Silence "destructor never returns" warning \
|
|
*/
|
|
#endif
|
|
|
|
ContentChild::~ContentChild() {
|
|
profiler_remove_state_change_callback(reinterpret_cast<uintptr_t>(this));
|
|
|
|
#ifndef NS_FREE_PERMANENT_DATA
|
|
MOZ_CRASH("Content Child shouldn't be destroyed.");
|
|
#endif
|
|
}
|
|
|
|
#ifdef _MSC_VER
|
|
# pragma warning(pop)
|
|
#endif
|
|
|
|
NS_INTERFACE_MAP_BEGIN(ContentChild)
|
|
NS_INTERFACE_MAP_ENTRY(nsIDOMProcessChild)
|
|
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMProcessChild)
|
|
NS_INTERFACE_MAP_END
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvSetXPCOMProcessAttributes(
|
|
XPCOMInitData&& aXPCOMInit, const StructuredCloneData& aInitialData,
|
|
FullLookAndFeel&& aLookAndFeelData, dom::SystemFontList&& aFontList,
|
|
Maybe<SharedMemoryHandle>&& aSharedUASheetHandle,
|
|
const uintptr_t& aSharedUASheetAddress,
|
|
nsTArray<SharedMemoryHandle>&& aSharedFontListBlocks,
|
|
const bool& aIsReadyForBackgroundProcessing) {
|
|
if (!sShutdownCanary) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
mLookAndFeelData = std::move(aLookAndFeelData);
|
|
mFontList = std::move(aFontList);
|
|
mSharedFontListBlocks = std::move(aSharedFontListBlocks);
|
|
|
|
gfx::gfxVars::SetValuesForInitialize(aXPCOMInit.gfxNonDefaultVarUpdates());
|
|
PerfStats::SetCollectionMask(aXPCOMInit.perfStatsMask());
|
|
InitSharedUASheets(std::move(aSharedUASheetHandle), aSharedUASheetAddress);
|
|
InitXPCOM(std::move(aXPCOMInit), aInitialData,
|
|
aIsReadyForBackgroundProcessing);
|
|
InitGraphicsDeviceData(aXPCOMInit.contentDeviceData());
|
|
RefPtr<net::ChildDNSService> dnsServiceChild =
|
|
dont_AddRef(net::ChildDNSService::GetSingleton());
|
|
if (dnsServiceChild) {
|
|
dnsServiceChild->SetTRRDomain(aXPCOMInit.trrDomain());
|
|
dnsServiceChild->SetTRRModeInChild(aXPCOMInit.trrMode(),
|
|
aXPCOMInit.trrModeFromPref());
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
class nsGtkNativeInitRunnable : public Runnable {
|
|
public:
|
|
nsGtkNativeInitRunnable() : Runnable("nsGtkNativeInitRunnable") {}
|
|
|
|
NS_IMETHOD Run() override {
|
|
LookAndFeel::NativeInit();
|
|
return NS_OK;
|
|
}
|
|
};
|
|
|
|
void ContentChild::Init(mozilla::ipc::UntypedEndpoint&& aEndpoint,
|
|
const char* aParentBuildID, uint64_t aChildID,
|
|
bool aIsForBrowser) {
|
|
#ifdef MOZ_WIDGET_GTK
|
|
// When running X11 only build we need to pass a display down
|
|
// to gtk_init because it's not going to use the one from the environment
|
|
// on its own when deciding which backend to use, and when starting under
|
|
// XWayland, it may choose to start with the wayland backend
|
|
// instead of the x11 backend.
|
|
// The DISPLAY environment variable is normally set by the parent process.
|
|
// The MOZ_GDK_DISPLAY environment variable is set from nsAppRunner.cpp
|
|
// when --display is set by the command line.
|
|
if (!gfxPlatform::IsHeadless()) {
|
|
const char* display_name = PR_GetEnv("MOZ_GDK_DISPLAY");
|
|
if (!display_name) {
|
|
bool waylandEnabled = false;
|
|
# ifdef MOZ_WAYLAND
|
|
waylandEnabled = IsWaylandEnabled();
|
|
# endif
|
|
if (!waylandEnabled) {
|
|
display_name = PR_GetEnv("DISPLAY");
|
|
}
|
|
}
|
|
if (display_name) {
|
|
int argc = 3;
|
|
char option_name[] = "--display";
|
|
char* argv[] = {
|
|
// argv0 is unused because g_set_prgname() was called in
|
|
// XRE_InitChildProcess().
|
|
nullptr, option_name, const_cast<char*>(display_name), nullptr};
|
|
char** argvp = argv;
|
|
gtk_init(&argc, &argvp);
|
|
} else {
|
|
gtk_init(nullptr, nullptr);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifdef MOZ_X11
|
|
if (!gfxPlatform::IsHeadless()) {
|
|
// Do this after initializing GDK, or GDK will install its own handler.
|
|
XRE_InstallX11ErrorHandler();
|
|
}
|
|
#endif
|
|
|
|
MOZ_ASSERT(!sSingleton, "only one ContentChild per child");
|
|
|
|
// Once we start sending IPC messages, we need the thread manager to be
|
|
// initialized so we can deal with the responses. Do that here before we
|
|
// try to construct the crash reporter.
|
|
nsresult rv = nsThreadManager::get().Init();
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
MOZ_CRASH("Failed to initialize the thread manager in ContentChild::Init");
|
|
}
|
|
|
|
if (!aEndpoint.Bind(this)) {
|
|
MOZ_CRASH("Bind failed in ContentChild::Init");
|
|
}
|
|
sSingleton = this;
|
|
|
|
// If communications with the parent have broken down, take the process
|
|
// down so it's not hanging around.
|
|
GetIPCChannel()->SetAbortOnError(true);
|
|
|
|
// This must be checked before any IPDL message, which may hit sentinel
|
|
// errors due to parent and content processes having different
|
|
// versions.
|
|
MessageChannel* channel = GetIPCChannel();
|
|
if (channel && !channel->SendBuildIDsMatchMessage(aParentBuildID)) {
|
|
// We need to quit this process if the buildID doesn't match the parent's.
|
|
// This can occur when an update occurred in the background.
|
|
ProcessChild::QuickExit();
|
|
}
|
|
|
|
#if defined(__OpenBSD__) && defined(MOZ_SANDBOX)
|
|
StartOpenBSDSandbox(GeckoProcessType_Content);
|
|
#endif
|
|
|
|
#ifdef MOZ_X11
|
|
# ifdef MOZ_WIDGET_GTK
|
|
if (GdkIsX11Display() && !gfxPlatform::IsHeadless()) {
|
|
// Send the parent our X socket to act as a proxy reference for our X
|
|
// resources.
|
|
int xSocketFd = ConnectionNumber(DefaultXDisplay());
|
|
SendBackUpXResources(FileDescriptor(xSocketFd));
|
|
}
|
|
# endif
|
|
#endif
|
|
|
|
CrashReporterClient::InitSingleton(this);
|
|
|
|
mID = aChildID;
|
|
mIsForBrowser = aIsForBrowser;
|
|
|
|
SetProcessName("Web Content"_ns);
|
|
|
|
#ifdef NIGHTLY_BUILD
|
|
// NOTE: We have to register the annotator on the main thread, as annotators
|
|
// only affect a single thread.
|
|
SchedulerGroup::Dispatch(
|
|
NS_NewRunnableFunction("RegisterPendingInputEventHangAnnotator", [] {
|
|
BackgroundHangMonitor::RegisterAnnotator(
|
|
PendingInputEventHangAnnotator::sSingleton);
|
|
}));
|
|
#endif
|
|
}
|
|
|
|
void ContentChild::AddProfileToProcessName(const nsACString& aProfile) {
|
|
nsCOMPtr<nsIPrincipal> isolationPrincipal =
|
|
ContentParent::CreateRemoteTypeIsolationPrincipal(mRemoteType);
|
|
if (isolationPrincipal) {
|
|
// DEFAULT_PRIVATE_BROWSING_ID is the value when it's not private
|
|
if (isolationPrincipal->OriginAttributesRef().mPrivateBrowsingId !=
|
|
nsIScriptSecurityManager::DEFAULT_PRIVATE_BROWSING_ID) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
mProcessName = aProfile + ":"_ns + mProcessName; //<profile_name>:example.com
|
|
}
|
|
|
|
void ContentChild::SetProcessName(const nsACString& aName,
|
|
const nsACString* aSite,
|
|
const nsACString* aCurrentProfile) {
|
|
char* name;
|
|
if ((name = PR_GetEnv("MOZ_DEBUG_APP_PROCESS")) && aName.EqualsASCII(name)) {
|
|
#ifdef XP_UNIX
|
|
printf_stderr("\n\nCHILDCHILDCHILDCHILD\n [%s] debug me @%d\n\n", name,
|
|
getpid());
|
|
sleep(30);
|
|
#elif defined(XP_WIN)
|
|
// Windows has a decent JIT debugging story, so NS_DebugBreak does the
|
|
// right thing.
|
|
NS_DebugBreak(NS_DEBUG_BREAK,
|
|
"Invoking NS_DebugBreak() to debug child process", nullptr,
|
|
__FILE__, __LINE__);
|
|
#endif
|
|
}
|
|
|
|
if (aSite) {
|
|
profiler_set_process_name(aName, aSite);
|
|
} else {
|
|
profiler_set_process_name(aName);
|
|
}
|
|
|
|
mProcessName = aName;
|
|
|
|
// Requires pref flip
|
|
if (aSite && StaticPrefs::fission_processSiteNames()) {
|
|
nsCOMPtr<nsIPrincipal> isolationPrincipal =
|
|
ContentParent::CreateRemoteTypeIsolationPrincipal(mRemoteType);
|
|
if (isolationPrincipal) {
|
|
// DEFAULT_PRIVATE_BROWSING_ID is the value when it's not private
|
|
MOZ_LOG(ContentParent::GetLog(), LogLevel::Debug,
|
|
("private = %d, pref = %d",
|
|
isolationPrincipal->OriginAttributesRef().mPrivateBrowsingId !=
|
|
nsIScriptSecurityManager::DEFAULT_PRIVATE_BROWSING_ID,
|
|
StaticPrefs::fission_processPrivateWindowSiteNames()));
|
|
if (isolationPrincipal->OriginAttributesRef().mPrivateBrowsingId ==
|
|
nsIScriptSecurityManager::DEFAULT_PRIVATE_BROWSING_ID
|
|
#ifdef NIGHTLY_BUILD
|
|
// Nightly can show site names for private windows, with a second pref
|
|
|| StaticPrefs::fission_processPrivateWindowSiteNames()
|
|
#endif
|
|
) {
|
|
#if !defined(XP_MACOSX)
|
|
// Mac doesn't have the 15-character limit Linux does
|
|
// Sets profiler process name
|
|
if (isolationPrincipal->SchemeIs("https")) {
|
|
nsAutoCString schemeless;
|
|
isolationPrincipal->GetHostPort(schemeless);
|
|
nsAutoCString originSuffix;
|
|
isolationPrincipal->GetOriginSuffix(originSuffix);
|
|
schemeless.Append(originSuffix);
|
|
mProcessName = schemeless;
|
|
} else
|
|
#endif
|
|
{
|
|
mProcessName = *aSite;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (StaticPrefs::fission_processProfileName() && aCurrentProfile &&
|
|
!aCurrentProfile->IsEmpty()) {
|
|
AddProfileToProcessName(*aCurrentProfile);
|
|
}
|
|
|
|
// else private window, don't change process name, or the pref isn't set
|
|
// mProcessName is always flat (mProcessName == aName)
|
|
|
|
mozilla::ipc::SetThisProcessName(mProcessName.get());
|
|
|
|
MOZ_LOG(ContentParent::GetLog(), LogLevel::Debug,
|
|
("Changed name of process %d to %s", getpid(),
|
|
PromiseFlatCString(mProcessName).get()));
|
|
}
|
|
|
|
static nsresult GetCreateWindowParams(nsIOpenWindowInfo* aOpenWindowInfo,
|
|
nsDocShellLoadState* aLoadState,
|
|
bool aForceNoReferrer,
|
|
nsIReferrerInfo** aReferrerInfo,
|
|
nsIPrincipal** aTriggeringPrincipal,
|
|
nsIContentSecurityPolicy** aCsp) {
|
|
if (!aTriggeringPrincipal || !aCsp) {
|
|
NS_ERROR("aTriggeringPrincipal || aCsp is null");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
if (!aReferrerInfo) {
|
|
NS_ERROR("aReferrerInfo is null");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsCOMPtr<nsIReferrerInfo> referrerInfo;
|
|
if (aForceNoReferrer) {
|
|
referrerInfo = new ReferrerInfo(nullptr, ReferrerPolicy::_empty, false);
|
|
}
|
|
if (aLoadState && !referrerInfo) {
|
|
referrerInfo = aLoadState->GetReferrerInfo();
|
|
}
|
|
|
|
RefPtr<BrowsingContext> parent = aOpenWindowInfo->GetParent();
|
|
nsCOMPtr<nsPIDOMWindowOuter> opener =
|
|
parent ? parent->GetDOMWindow() : nullptr;
|
|
if (!opener) {
|
|
nsCOMPtr<nsIPrincipal> nullPrincipal =
|
|
NullPrincipal::Create(aOpenWindowInfo->GetOriginAttributes());
|
|
if (!referrerInfo) {
|
|
referrerInfo = new ReferrerInfo(nullptr, ReferrerPolicy::_empty);
|
|
}
|
|
|
|
referrerInfo.swap(*aReferrerInfo);
|
|
NS_ADDREF(*aTriggeringPrincipal = nullPrincipal);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<Document> doc = opener->GetDoc();
|
|
NS_ADDREF(*aTriggeringPrincipal = doc->NodePrincipal());
|
|
|
|
nsCOMPtr<nsIContentSecurityPolicy> csp = doc->GetCsp();
|
|
if (csp) {
|
|
csp.forget(aCsp);
|
|
}
|
|
|
|
nsCOMPtr<nsIURI> baseURI = doc->GetDocBaseURI();
|
|
if (!baseURI) {
|
|
NS_ERROR("Document didn't return a base URI");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
if (!referrerInfo) {
|
|
referrerInfo = new ReferrerInfo(*doc);
|
|
}
|
|
|
|
referrerInfo.swap(*aReferrerInfo);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult ContentChild::ProvideWindowCommon(
|
|
NotNull<BrowserChild*> aTabOpener, nsIOpenWindowInfo* aOpenWindowInfo,
|
|
uint32_t aChromeFlags, bool aCalledFromJS, nsIURI* aURI,
|
|
const nsAString& aName, const nsACString& aFeatures,
|
|
const UserActivation::Modifiers& aModifiers, bool aForceNoOpener,
|
|
bool aForceNoReferrer, bool aIsPopupRequested,
|
|
nsDocShellLoadState* aLoadState, bool* aWindowIsNew,
|
|
BrowsingContext** aReturn) {
|
|
*aReturn = nullptr;
|
|
|
|
nsAutoCString features(aFeatures);
|
|
nsAutoString name(aName);
|
|
|
|
nsresult rv;
|
|
|
|
RefPtr<BrowsingContext> parent = aOpenWindowInfo->GetParent();
|
|
MOZ_DIAGNOSTIC_ASSERT(parent, "We must have a parent BC");
|
|
|
|
// Block the attempt to open a new window if the opening BrowsingContext is
|
|
// not marked to use remote tabs. This ensures that the newly opened window is
|
|
// correctly remote.
|
|
if (NS_WARN_IF(!parent->UseRemoteTabs())) {
|
|
return NS_ERROR_ABORT;
|
|
}
|
|
|
|
bool useRemoteSubframes =
|
|
aChromeFlags & nsIWebBrowserChrome::CHROME_FISSION_WINDOW;
|
|
|
|
uint32_t parentSandboxFlags = parent->SandboxFlags();
|
|
if (Document* doc = parent->GetDocument()) {
|
|
parentSandboxFlags = doc->GetSandboxFlags();
|
|
}
|
|
|
|
// Certain conditions complicate the process of creating the new
|
|
// BrowsingContext, and prevent us from using the
|
|
// "CreateWindowInDifferentProcess" codepath.
|
|
// * With Fission enabled, process selection will happen during the load, so
|
|
// switching processes eagerly will not provide a benefit.
|
|
// * Windows created for printing must be created within the current process
|
|
// so that a static clone of the source document can be created.
|
|
// * Sandboxed popups require the full window creation codepath.
|
|
// * Loads with form or POST data require the full window creation codepath.
|
|
bool cannotLoadInDifferentProcess =
|
|
useRemoteSubframes || aOpenWindowInfo->GetIsForPrinting() ||
|
|
(parentSandboxFlags &
|
|
SANDBOX_PROPAGATES_TO_AUXILIARY_BROWSING_CONTEXTS) ||
|
|
(aLoadState &&
|
|
(aLoadState->IsFormSubmission() || aLoadState->PostDataStream()));
|
|
if (!cannotLoadInDifferentProcess) {
|
|
// If we're in a content process and we have noopener set, there's no reason
|
|
// to load in our process, so let's load it elsewhere!
|
|
bool loadInDifferentProcess =
|
|
aForceNoOpener && StaticPrefs::dom_noopener_newprocess_enabled();
|
|
if (loadInDifferentProcess) {
|
|
nsCOMPtr<nsIPrincipal> triggeringPrincipal;
|
|
nsCOMPtr<nsIContentSecurityPolicy> csp;
|
|
nsCOMPtr<nsIReferrerInfo> referrerInfo;
|
|
rv = GetCreateWindowParams(aOpenWindowInfo, aLoadState, aForceNoReferrer,
|
|
getter_AddRefs(referrerInfo),
|
|
getter_AddRefs(triggeringPrincipal),
|
|
getter_AddRefs(csp));
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return rv;
|
|
}
|
|
|
|
if (name.LowerCaseEqualsLiteral("_blank")) {
|
|
name.Truncate();
|
|
}
|
|
|
|
MOZ_DIAGNOSTIC_ASSERT(!nsContentUtils::IsSpecialName(name));
|
|
|
|
Unused << SendCreateWindowInDifferentProcess(
|
|
aTabOpener, parent, aChromeFlags, aCalledFromJS, aURI, features,
|
|
aModifiers, name, triggeringPrincipal, csp, referrerInfo,
|
|
aOpenWindowInfo->GetOriginAttributes());
|
|
|
|
// We return NS_ERROR_ABORT, so that the caller knows that we've abandoned
|
|
// the window open as far as it is concerned.
|
|
return NS_ERROR_ABORT;
|
|
}
|
|
}
|
|
|
|
TabId tabId(nsContentUtils::GenerateTabId());
|
|
|
|
// We need to assign a TabGroup to the PBrowser actor before we send it to the
|
|
// parent. Otherwise, the parent could send messages to us before we have a
|
|
// proper TabGroup for that actor.
|
|
RefPtr<BrowsingContext> openerBC;
|
|
if (!aForceNoOpener) {
|
|
openerBC = parent;
|
|
}
|
|
|
|
RefPtr<BrowsingContext> browsingContext = BrowsingContext::CreateDetached(
|
|
nullptr, openerBC, nullptr, aName, BrowsingContext::Type::Content,
|
|
aIsPopupRequested);
|
|
MOZ_ALWAYS_SUCCEEDS(browsingContext->SetRemoteTabs(true));
|
|
MOZ_ALWAYS_SUCCEEDS(browsingContext->SetRemoteSubframes(useRemoteSubframes));
|
|
MOZ_ALWAYS_SUCCEEDS(browsingContext->SetOriginAttributes(
|
|
aOpenWindowInfo->GetOriginAttributes()));
|
|
|
|
browsingContext->InitPendingInitialization(true);
|
|
auto unsetPending = MakeScopeExit([browsingContext]() {
|
|
Unused << browsingContext->SetPendingInitialization(false);
|
|
});
|
|
|
|
browsingContext->EnsureAttached();
|
|
|
|
// The initial about:blank document we generate within the nsDocShell will
|
|
// almost certainly be replaced at some point. Unfortunately, getting the
|
|
// principal right here causes bugs due to frame scripts not getting events
|
|
// they expect, due to the real initial about:blank not being created yet.
|
|
//
|
|
// For this reason, we intentionally mispredict the initial principal here, so
|
|
// that we can act the same as we did before when not predicting a result
|
|
// principal. This `PWindowGlobal` will almost immediately be destroyed.
|
|
nsCOMPtr<nsIPrincipal> initialPrincipal =
|
|
NullPrincipal::Create(browsingContext->OriginAttributesRef());
|
|
WindowGlobalInit windowInit = WindowGlobalActor::AboutBlankInitializer(
|
|
browsingContext, initialPrincipal);
|
|
|
|
RefPtr<WindowGlobalChild> windowChild =
|
|
WindowGlobalChild::CreateDisconnected(windowInit);
|
|
if (NS_WARN_IF(!windowChild)) {
|
|
return NS_ERROR_ABORT;
|
|
}
|
|
|
|
auto newChild = MakeNotNull<RefPtr<BrowserChild>>(
|
|
this, tabId, *aTabOpener, browsingContext, aChromeFlags,
|
|
/* aIsTopLevel */ true);
|
|
|
|
if (IsShuttingDown()) {
|
|
return NS_ERROR_ABORT;
|
|
}
|
|
|
|
// Open a remote endpoint for our PBrowser actor.
|
|
ManagedEndpoint<PBrowserParent> parentEp = OpenPBrowserEndpoint(newChild);
|
|
if (NS_WARN_IF(!parentEp.IsValid())) {
|
|
return NS_ERROR_ABORT;
|
|
}
|
|
|
|
// Open a remote endpoint for our PWindowGlobal actor.
|
|
ManagedEndpoint<PWindowGlobalParent> windowParentEp =
|
|
newChild->OpenPWindowGlobalEndpoint(windowChild);
|
|
if (NS_WARN_IF(!windowParentEp.IsValid())) {
|
|
return NS_ERROR_ABORT;
|
|
}
|
|
|
|
// Tell the parent process to set up its PBrowserParent.
|
|
PopupIPCTabContext ipcContext(aTabOpener, 0);
|
|
if (NS_WARN_IF(!SendConstructPopupBrowser(
|
|
std::move(parentEp), std::move(windowParentEp), tabId, ipcContext,
|
|
windowInit, aChromeFlags))) {
|
|
return NS_ERROR_ABORT;
|
|
}
|
|
|
|
windowChild->Init();
|
|
auto guardNullWindowGlobal = MakeScopeExit([&] {
|
|
if (!windowChild->GetWindowGlobal()) {
|
|
windowChild->Destroy();
|
|
}
|
|
});
|
|
|
|
// Now that |newChild| has had its IPC link established, call |Init| to set it
|
|
// up.
|
|
// XXX: This MOZ_KnownLive is only necessary because the static analysis can't
|
|
// tell that NotNull<RefPtr<BrowserChild>> is a strong pointer.
|
|
RefPtr<nsPIDOMWindowOuter> parentWindow =
|
|
parent ? parent->GetDOMWindow() : nullptr;
|
|
if (NS_FAILED(MOZ_KnownLive(newChild)->Init(parentWindow, windowChild))) {
|
|
return NS_ERROR_ABORT;
|
|
}
|
|
|
|
// Set to true when we're ready to return from this function.
|
|
bool ready = false;
|
|
|
|
// NOTE: Capturing by reference here is safe, as this function won't return
|
|
// until one of these callbacks is called.
|
|
auto resolve = [&](CreatedWindowInfo&& info) {
|
|
MOZ_RELEASE_ASSERT(NS_IsMainThread());
|
|
rv = info.rv();
|
|
*aWindowIsNew = info.windowOpened();
|
|
nsTArray<FrameScriptInfo> frameScripts(std::move(info.frameScripts()));
|
|
uint32_t maxTouchPoints = info.maxTouchPoints();
|
|
DimensionInfo dimensionInfo = std::move(info.dimensions());
|
|
|
|
// Once this function exits, we should try to exit the nested event loop.
|
|
ready = true;
|
|
|
|
// NOTE: We have to handle this immediately in the resolve callback in order
|
|
// to make sure that we don't process any more IPC messages before returning
|
|
// from ProvideWindowCommon.
|
|
|
|
// Handle the error which we got back from the parent process, if we got
|
|
// one.
|
|
if (NS_FAILED(rv)) {
|
|
return;
|
|
}
|
|
|
|
if (!*aWindowIsNew) {
|
|
rv = NS_ERROR_ABORT;
|
|
return;
|
|
}
|
|
|
|
// If the BrowserChild has been torn down, we don't need to do this anymore.
|
|
if (NS_WARN_IF(!newChild->IPCOpen() || newChild->IsDestroyed())) {
|
|
rv = NS_ERROR_ABORT;
|
|
return;
|
|
}
|
|
|
|
ParentShowInfo showInfo(u""_ns, /* fakeShowInfo = */ true,
|
|
/* isTransparent = */ false,
|
|
newChild->WebWidget()->GetDPI(),
|
|
newChild->WebWidget()->RoundsWidgetCoordinatesTo(),
|
|
newChild->WebWidget()->GetDefaultScale().scale);
|
|
|
|
newChild->SetMaxTouchPoints(maxTouchPoints);
|
|
|
|
if (aForceNoOpener || !parent) {
|
|
MOZ_DIAGNOSTIC_ASSERT(!browsingContext->HadOriginalOpener());
|
|
MOZ_DIAGNOSTIC_ASSERT(browsingContext->GetOpenerId() == 0);
|
|
} else {
|
|
MOZ_DIAGNOSTIC_ASSERT(browsingContext->HadOriginalOpener());
|
|
MOZ_DIAGNOSTIC_ASSERT(browsingContext->GetOpenerId() == parent->Id());
|
|
}
|
|
|
|
// Unfortunately we don't get a window unless we've shown the frame. That's
|
|
// pretty bogus; see bug 763602.
|
|
newChild->DoFakeShow(showInfo);
|
|
|
|
newChild->RecvUpdateDimensions(dimensionInfo);
|
|
|
|
for (size_t i = 0; i < frameScripts.Length(); i++) {
|
|
FrameScriptInfo& info = frameScripts[i];
|
|
if (!newChild->RecvLoadRemoteScript(info.url(),
|
|
info.runInGlobalScope())) {
|
|
MOZ_CRASH();
|
|
}
|
|
}
|
|
|
|
if (xpc::IsInAutomation()) {
|
|
if (nsCOMPtr<nsPIDOMWindowOuter> outer =
|
|
do_GetInterface(newChild->WebNavigation())) {
|
|
nsCOMPtr<nsIObserverService> obs(services::GetObserverService());
|
|
obs->NotifyObservers(
|
|
outer, "dangerous:test-only:new-browser-child-ready", nullptr);
|
|
}
|
|
}
|
|
|
|
browsingContext.forget(aReturn);
|
|
};
|
|
|
|
// NOTE: Capturing by reference here is safe, as this function won't return
|
|
// until one of these callbacks is called.
|
|
auto reject = [&](ResponseRejectReason) {
|
|
MOZ_RELEASE_ASSERT(NS_IsMainThread());
|
|
NS_WARNING("windowCreated promise rejected");
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
ready = true;
|
|
};
|
|
|
|
// Send down the request to open the window.
|
|
nsCOMPtr<nsIPrincipal> triggeringPrincipal;
|
|
nsCOMPtr<nsIContentSecurityPolicy> csp;
|
|
nsCOMPtr<nsIReferrerInfo> referrerInfo;
|
|
rv = GetCreateWindowParams(aOpenWindowInfo, aLoadState, aForceNoReferrer,
|
|
getter_AddRefs(referrerInfo),
|
|
getter_AddRefs(triggeringPrincipal),
|
|
getter_AddRefs(csp));
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return rv;
|
|
}
|
|
|
|
SendCreateWindow(aTabOpener, parent, newChild, aChromeFlags, aCalledFromJS,
|
|
aOpenWindowInfo->GetIsForPrinting(),
|
|
aOpenWindowInfo->GetIsForWindowDotPrint(), aURI, features,
|
|
aModifiers, triggeringPrincipal, csp, referrerInfo,
|
|
aOpenWindowInfo->GetOriginAttributes(), std::move(resolve),
|
|
std::move(reject));
|
|
|
|
// =======================
|
|
// Begin Nested Event Loop
|
|
// =======================
|
|
|
|
// We have to wait for a response from SendCreateWindow or with information
|
|
// we're going to need to return from this function, So we spin a nested event
|
|
// loop until they get back to us.
|
|
|
|
{
|
|
// Suppress event handling for all contexts in our BrowsingContextGroup so
|
|
// that event handlers cannot target our new window while it's still being
|
|
// opened. Note that pending events that were suppressed while our blocker
|
|
// was active will be dispatched asynchronously from a runnable dispatched
|
|
// to the main event loop after this function returns, not immediately when
|
|
// we leave this scope.
|
|
AutoSuppressEventHandlingAndSuspend seh(browsingContext->Group());
|
|
|
|
AutoNoJSAPI nojsapi;
|
|
|
|
// Spin the event loop until we get a response. Callers of this function
|
|
// already have to guard against an inner event loop spinning in the
|
|
// non-e10s case because of the need to spin one to create a new chrome
|
|
// window.
|
|
SpinEventLoopUntil("ContentChild::ProvideWindowCommon"_ns,
|
|
[&]() { return ready; });
|
|
MOZ_RELEASE_ASSERT(ready,
|
|
"We are on the main thread, so we should not exit this "
|
|
"loop without ready being true.");
|
|
}
|
|
|
|
// =====================
|
|
// End Nested Event Loop
|
|
// =====================
|
|
|
|
// It's possible for our new BrowsingContext to become discarded during the
|
|
// nested event loop, in which case we shouldn't return it, since our callers
|
|
// will generally not be prepared to deal with that.
|
|
if (*aReturn && (*aReturn)->IsDiscarded()) {
|
|
NS_RELEASE(*aReturn);
|
|
return NS_ERROR_ABORT;
|
|
}
|
|
|
|
// We should have the results already set by the callbacks.
|
|
MOZ_ASSERT_IF(NS_SUCCEEDED(rv), *aReturn);
|
|
return rv;
|
|
}
|
|
|
|
bool ContentChild::IsAlive() const { return mIsAlive; }
|
|
|
|
bool ContentChild::IsShuttingDown() const { return mShuttingDown; }
|
|
|
|
void ContentChild::GetProcessName(nsACString& aName) const {
|
|
aName = mProcessName;
|
|
}
|
|
|
|
/* static */
|
|
void ContentChild::AppendProcessId(nsACString& aName) {
|
|
if (!aName.IsEmpty()) {
|
|
aName.Append(' ');
|
|
}
|
|
unsigned pid = getpid();
|
|
aName.Append(nsPrintfCString("(pid %u)", pid));
|
|
}
|
|
|
|
void ContentChild::InitGraphicsDeviceData(const ContentDeviceData& aData) {
|
|
gfxPlatform::InitChild(aData);
|
|
}
|
|
|
|
void ContentChild::InitSharedUASheets(Maybe<SharedMemoryHandle>&& aHandle,
|
|
uintptr_t aAddress) {
|
|
MOZ_ASSERT_IF(!aHandle, !aAddress);
|
|
|
|
if (!aAddress) {
|
|
return;
|
|
}
|
|
|
|
// Map the shared memory storing the user agent style sheets. Do this as
|
|
// early as possible to maximize the chance of being able to map at the
|
|
// address we want.
|
|
GlobalStyleSheetCache::SetSharedMemory(std::move(*aHandle), aAddress);
|
|
}
|
|
|
|
void ContentChild::InitXPCOM(
|
|
XPCOMInitData&& aXPCOMInit,
|
|
const mozilla::dom::ipc::StructuredCloneData& aInitialData,
|
|
bool aIsReadyForBackgroundProcessing) {
|
|
#ifdef MOZ_WIDGET_GTK
|
|
// LookAndFeel::NativeInit takes a long time to run on Linux, here we schedule
|
|
// it as soon as possible after BackgroundChild::Startup to give
|
|
// it chance to run ahead of ConstructBrowser
|
|
nsCOMPtr<nsIRunnable> event = new nsGtkNativeInitRunnable();
|
|
NS_DispatchToMainThreadQueue(event.forget(), EventQueuePriority::Idle);
|
|
#endif
|
|
|
|
#if defined(XP_WIN)
|
|
// DLL services untrusted modules processing depends on
|
|
// BackgroundChild::Startup having been called
|
|
RefPtr<DllServices> dllSvc(DllServices::Get());
|
|
dllSvc->StartUntrustedModulesProcessor(aIsReadyForBackgroundProcessing);
|
|
#endif // defined(XP_WIN)
|
|
|
|
PBackgroundChild* actorChild = BackgroundChild::GetOrCreateForCurrentThread();
|
|
if (NS_WARN_IF(!actorChild)) {
|
|
MOZ_ASSERT_UNREACHABLE("PBackground init can't fail at this point");
|
|
return;
|
|
}
|
|
|
|
ClientManager::Startup();
|
|
|
|
// RemoteWorkerService will be initialized in RecvRemoteType, to avoid to
|
|
// register it to the RemoteWorkerManager while it is still a prealloc
|
|
// remoteType and defer it to the point the child process is assigned a.
|
|
// actual remoteType.
|
|
|
|
nsCOMPtr<nsIConsoleService> svc(do_GetService(NS_CONSOLESERVICE_CONTRACTID));
|
|
if (!svc) {
|
|
NS_WARNING("Couldn't acquire console service");
|
|
return;
|
|
}
|
|
|
|
mConsoleListener = new ConsoleListener(this);
|
|
if (NS_FAILED(svc->RegisterListener(mConsoleListener)))
|
|
NS_WARNING("Couldn't register console listener for child process");
|
|
|
|
mAvailableDictionaries = std::move(aXPCOMInit.dictionaries());
|
|
|
|
RecvSetOffline(aXPCOMInit.isOffline());
|
|
RecvSetConnectivity(aXPCOMInit.isConnected());
|
|
|
|
LocaleService::GetInstance()->AssignAppLocales(aXPCOMInit.appLocales());
|
|
LocaleService::GetInstance()->AssignRequestedLocales(
|
|
aXPCOMInit.requestedLocales());
|
|
|
|
L10nRegistry::RegisterFileSourcesFromParentProcess(
|
|
aXPCOMInit.l10nFileSources());
|
|
|
|
RecvSetCaptivePortalState(aXPCOMInit.captivePortalState());
|
|
RecvBidiKeyboardNotify(aXPCOMInit.isLangRTL(),
|
|
aXPCOMInit.haveBidiKeyboards());
|
|
|
|
if (aXPCOMInit.domainPolicy().active()) {
|
|
nsIScriptSecurityManager* ssm = nsContentUtils::GetSecurityManager();
|
|
MOZ_ASSERT(ssm);
|
|
ssm->ActivateDomainPolicyInternal(getter_AddRefs(mPolicy));
|
|
if (!mPolicy) {
|
|
MOZ_CRASH("Failed to activate domain policy.");
|
|
}
|
|
mPolicy->ApplyClone(&aXPCOMInit.domainPolicy());
|
|
}
|
|
|
|
nsCOMPtr<nsIClipboard> clipboard(
|
|
do_GetService("@mozilla.org/widget/clipboard;1"));
|
|
if (nsCOMPtr<nsIClipboardProxy> clipboardProxy =
|
|
do_QueryInterface(clipboard)) {
|
|
clipboardProxy->SetCapabilities(aXPCOMInit.clipboardCaps());
|
|
}
|
|
|
|
{
|
|
AutoJSAPI jsapi;
|
|
if (NS_WARN_IF(!jsapi.Init(xpc::PrivilegedJunkScope()))) {
|
|
MOZ_CRASH();
|
|
}
|
|
ErrorResult rv;
|
|
JS::Rooted<JS::Value> data(jsapi.cx());
|
|
mozilla::dom::ipc::StructuredCloneData id;
|
|
id.Copy(aInitialData);
|
|
id.Read(jsapi.cx(), &data, rv);
|
|
if (NS_WARN_IF(rv.Failed())) {
|
|
MOZ_CRASH();
|
|
}
|
|
auto* global = ContentProcessMessageManager::Get();
|
|
global->SetInitialProcessData(data);
|
|
}
|
|
|
|
// The stylesheet cache is not ready yet. Store this URL for future use.
|
|
nsCOMPtr<nsIURI> ucsURL = std::move(aXPCOMInit.userContentSheetURL());
|
|
GlobalStyleSheetCache::SetUserContentCSSURL(ucsURL);
|
|
|
|
GfxInfoBase::SetFeatureStatus(std::move(aXPCOMInit.gfxFeatureStatus()));
|
|
|
|
// Initialize the RemoteDecoderManager thread and its associated PBackground
|
|
// channel.
|
|
RemoteDecoderManagerChild::Init();
|
|
|
|
Preferences::RegisterCallbackAndCall(&OnFissionBlocklistPrefChange,
|
|
kFissionEnforceBlockList);
|
|
Preferences::RegisterCallbackAndCall(&OnFissionBlocklistPrefChange,
|
|
kFissionOmitBlockListValues);
|
|
|
|
// Set the dynamic scalar definitions for this process.
|
|
TelemetryIPC::AddDynamicScalarDefinitions(aXPCOMInit.dynamicScalarDefs());
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvRequestMemoryReport(
|
|
const uint32_t& aGeneration, const bool& aAnonymize,
|
|
const bool& aMinimizeMemoryUsage,
|
|
const Maybe<mozilla::ipc::FileDescriptor>& aDMDFile,
|
|
const RequestMemoryReportResolver& aResolver) {
|
|
nsCString process;
|
|
if (aAnonymize || mRemoteType.IsEmpty()) {
|
|
GetProcessName(process);
|
|
} else {
|
|
process = mRemoteType;
|
|
}
|
|
AppendProcessId(process);
|
|
MOZ_ASSERT(!process.IsEmpty());
|
|
|
|
MemoryReportRequestClient::Start(
|
|
aGeneration, aAnonymize, aMinimizeMemoryUsage, aDMDFile, process,
|
|
[&](const MemoryReport& aReport) {
|
|
Unused << GetSingleton()->SendAddMemoryReport(aReport);
|
|
},
|
|
aResolver);
|
|
return IPC_OK();
|
|
}
|
|
|
|
#if defined(XP_WIN)
|
|
mozilla::ipc::IPCResult ContentChild::RecvGetUntrustedModulesData(
|
|
GetUntrustedModulesDataResolver&& aResolver) {
|
|
RefPtr<DllServices> dllSvc(DllServices::Get());
|
|
dllSvc->GetUntrustedModulesData()->Then(
|
|
GetMainThreadSerialEventTarget(), __func__,
|
|
[aResolver](Maybe<UntrustedModulesData>&& aData) {
|
|
aResolver(std::move(aData));
|
|
},
|
|
[aResolver](nsresult aReason) { aResolver(Nothing()); });
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvUnblockUntrustedModulesThread() {
|
|
if (nsCOMPtr<nsIObserverService> obs =
|
|
mozilla::services::GetObserverService()) {
|
|
obs->NotifyObservers(nullptr, "unblock-untrusted-modules-thread", nullptr);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
#endif // defined(XP_WIN)
|
|
|
|
PCycleCollectWithLogsChild* ContentChild::AllocPCycleCollectWithLogsChild(
|
|
const bool& aDumpAllTraces, const FileDescriptor& aGCLog,
|
|
const FileDescriptor& aCCLog) {
|
|
return do_AddRef(new CycleCollectWithLogsChild()).take();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvPCycleCollectWithLogsConstructor(
|
|
PCycleCollectWithLogsChild* aActor, const bool& aDumpAllTraces,
|
|
const FileDescriptor& aGCLog, const FileDescriptor& aCCLog) {
|
|
// The sink's destructor is called when the last reference goes away, which
|
|
// will cause the actor to be closed down.
|
|
auto* actor = static_cast<CycleCollectWithLogsChild*>(aActor);
|
|
RefPtr<CycleCollectWithLogsChild::Sink> sink =
|
|
new CycleCollectWithLogsChild::Sink(actor, aGCLog, aCCLog);
|
|
|
|
// Invoke the dumper, which will take a reference to the sink.
|
|
nsCOMPtr<nsIMemoryInfoDumper> dumper =
|
|
do_GetService("@mozilla.org/memory-info-dumper;1");
|
|
dumper->DumpGCAndCCLogsToSink(aDumpAllTraces, sink);
|
|
return IPC_OK();
|
|
}
|
|
|
|
bool ContentChild::DeallocPCycleCollectWithLogsChild(
|
|
PCycleCollectWithLogsChild* aActor) {
|
|
RefPtr<CycleCollectWithLogsChild> actor =
|
|
dont_AddRef(static_cast<CycleCollectWithLogsChild*>(aActor));
|
|
return true;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvInitGMPService(
|
|
Endpoint<PGMPServiceChild>&& aGMPService) {
|
|
if (!GMPServiceChild::Create(std::move(aGMPService))) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvInitProfiler(
|
|
Endpoint<PProfilerChild>&& aEndpoint) {
|
|
mProfilerController = ChildProfilerController::Create(std::move(aEndpoint));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvGMPsChanged(
|
|
nsTArray<GMPCapabilityData>&& capabilities) {
|
|
GeckoMediaPluginServiceChild::UpdateGMPCapabilities(std::move(capabilities));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvInitProcessHangMonitor(
|
|
Endpoint<PProcessHangMonitorChild>&& aHangMonitor) {
|
|
CreateHangMonitorChild(std::move(aHangMonitor));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::GetResultForRenderingInitFailure(
|
|
base::ProcessId aOtherPid) {
|
|
if (aOtherPid == base::GetCurrentProcId() || aOtherPid == OtherPid()) {
|
|
// If we are talking to ourselves, or the UI process, then that is a fatal
|
|
// protocol error.
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
// If we are talking to the GPU process, then we should recover from this on
|
|
// the next ContentChild::RecvReinitRendering call.
|
|
gfxCriticalNote << "Could not initialize rendering with GPU process";
|
|
return IPC_OK();
|
|
}
|
|
|
|
#if defined(XP_MACOSX)
|
|
extern "C" {
|
|
void CGSShutdownServerConnections();
|
|
};
|
|
#endif
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvInitRendering(
|
|
Endpoint<PCompositorManagerChild>&& aCompositor,
|
|
Endpoint<PImageBridgeChild>&& aImageBridge,
|
|
Endpoint<PVRManagerChild>&& aVRBridge,
|
|
Endpoint<PRemoteDecoderManagerChild>&& aVideoManager,
|
|
nsTArray<uint32_t>&& namespaces) {
|
|
MOZ_ASSERT(namespaces.Length() == 3);
|
|
|
|
// Note that for all of the methods below, if it can fail, it should only
|
|
// return false if the failure is an IPDL error. In such situations,
|
|
// ContentChild can reason about whether or not to wait for
|
|
// RecvReinitRendering (because we surmised the GPU process crashed), or if it
|
|
// should crash itself (because we are actually talking to the UI process). If
|
|
// there are localized failures (e.g. failed to spawn a thread), then it
|
|
// should MOZ_RELEASE_ASSERT or MOZ_CRASH as necessary instead.
|
|
if (!CompositorManagerChild::Init(std::move(aCompositor), namespaces[0])) {
|
|
return GetResultForRenderingInitFailure(aCompositor.OtherPid());
|
|
}
|
|
if (!CompositorManagerChild::CreateContentCompositorBridge(namespaces[1])) {
|
|
return GetResultForRenderingInitFailure(aCompositor.OtherPid());
|
|
}
|
|
if (!ImageBridgeChild::InitForContent(std::move(aImageBridge),
|
|
namespaces[2])) {
|
|
return GetResultForRenderingInitFailure(aImageBridge.OtherPid());
|
|
}
|
|
if (!gfx::VRManagerChild::InitForContent(std::move(aVRBridge))) {
|
|
return GetResultForRenderingInitFailure(aVRBridge.OtherPid());
|
|
}
|
|
RemoteDecoderManagerChild::InitForGPUProcess(std::move(aVideoManager));
|
|
|
|
#if defined(XP_MACOSX) && !defined(MOZ_SANDBOX)
|
|
// Close all current connections to the WindowServer. This ensures that the
|
|
// Activity Monitor will not label the content process as "Not responding"
|
|
// because it's not running a native event loop. See bug 1384336. When the
|
|
// build is configured with sandbox support, this is called during sandbox
|
|
// setup.
|
|
CGSShutdownServerConnections();
|
|
#endif
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvReinitRendering(
|
|
Endpoint<PCompositorManagerChild>&& aCompositor,
|
|
Endpoint<PImageBridgeChild>&& aImageBridge,
|
|
Endpoint<PVRManagerChild>&& aVRBridge,
|
|
Endpoint<PRemoteDecoderManagerChild>&& aVideoManager,
|
|
nsTArray<uint32_t>&& namespaces) {
|
|
MOZ_ASSERT(namespaces.Length() == 3);
|
|
nsTArray<RefPtr<BrowserChild>> tabs = BrowserChild::GetAll();
|
|
|
|
// Re-establish singleton bridges to the compositor.
|
|
if (!CompositorManagerChild::Init(std::move(aCompositor), namespaces[0])) {
|
|
return GetResultForRenderingInitFailure(aCompositor.OtherPid());
|
|
}
|
|
if (!CompositorManagerChild::CreateContentCompositorBridge(namespaces[1])) {
|
|
return GetResultForRenderingInitFailure(aCompositor.OtherPid());
|
|
}
|
|
if (!ImageBridgeChild::ReinitForContent(std::move(aImageBridge),
|
|
namespaces[2])) {
|
|
return GetResultForRenderingInitFailure(aImageBridge.OtherPid());
|
|
}
|
|
if (!gfx::VRManagerChild::InitForContent(std::move(aVRBridge))) {
|
|
return GetResultForRenderingInitFailure(aVRBridge.OtherPid());
|
|
}
|
|
gfxPlatform::GetPlatform()->CompositorUpdated();
|
|
|
|
// Establish new PLayerTransactions.
|
|
for (const auto& browserChild : tabs) {
|
|
if (browserChild->GetLayersId().IsValid()) {
|
|
browserChild->ReinitRendering();
|
|
}
|
|
}
|
|
|
|
// Notify any observers that the compositor has been reinitialized,
|
|
// eg the ZoomConstraintsClients for documents in this process.
|
|
// This must occur after the ReinitRendering call above so that the
|
|
// APZCTreeManagers have been connected.
|
|
nsCOMPtr<nsIObserverService> observerService = services::GetObserverService();
|
|
if (observerService) {
|
|
observerService->NotifyObservers(nullptr, "compositor-reinitialized",
|
|
nullptr);
|
|
}
|
|
|
|
RemoteDecoderManagerChild::InitForGPUProcess(std::move(aVideoManager));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvReinitRenderingForDeviceReset() {
|
|
gfxPlatform::GetPlatform()->CompositorUpdated();
|
|
|
|
nsTArray<RefPtr<BrowserChild>> tabs = BrowserChild::GetAll();
|
|
for (const auto& browserChild : tabs) {
|
|
if (browserChild->GetLayersId().IsValid()) {
|
|
browserChild->ReinitRenderingForDeviceReset();
|
|
}
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
#if defined(XP_MACOSX) && defined(MOZ_SANDBOX)
|
|
extern "C" {
|
|
CGError CGSSetDenyWindowServerConnections(bool);
|
|
};
|
|
|
|
static void DisconnectWindowServer(bool aIsSandboxEnabled) {
|
|
// Close all current connections to the WindowServer. This ensures that the
|
|
// Activity Monitor will not label the content process as "Not responding"
|
|
// because it's not running a native event loop. See bug 1384336.
|
|
// This is required with or without the sandbox enabled. Until the
|
|
// window server is blocked as the policy level, this should be called
|
|
// just before CGSSetDenyWindowServerConnections() so there are no
|
|
// windowserver connections active when CGSSetDenyWindowServerConnections()
|
|
// is called.
|
|
CGSShutdownServerConnections();
|
|
|
|
// Actual security benefits are only achieved when we additionally deny
|
|
// future connections using the sandbox policy. WebGL must be remoted if
|
|
// the windowserver connections are blocked. WebGL remoting is disabled
|
|
// for some tests.
|
|
if (aIsSandboxEnabled &&
|
|
Preferences::GetBool(
|
|
"security.sandbox.content.mac.disconnect-windowserver") &&
|
|
Preferences::GetBool("webgl.out-of-process")) {
|
|
CGError result = CGSSetDenyWindowServerConnections(true);
|
|
MOZ_DIAGNOSTIC_ASSERT(result == kCGErrorSuccess);
|
|
# if !MOZ_DIAGNOSTIC_ASSERT_ENABLED
|
|
Unused << result;
|
|
# endif
|
|
}
|
|
}
|
|
#endif
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvSetProcessSandbox(
|
|
const Maybe<mozilla::ipc::FileDescriptor>& aBroker) {
|
|
// We may want to move the sandbox initialization somewhere else
|
|
// at some point; see bug 880808.
|
|
#if defined(MOZ_SANDBOX)
|
|
|
|
bool sandboxEnabled = true;
|
|
# if defined(XP_LINUX)
|
|
// On Linux, we have to support systems that can't use any sandboxing.
|
|
sandboxEnabled = SandboxInfo::Get().CanSandboxContent();
|
|
|
|
if (sandboxEnabled && !StaticPrefs::media_cubeb_sandbox()) {
|
|
// Pre-start audio before sandboxing; see bug 1443612.
|
|
Unused << CubebUtils::GetCubeb();
|
|
}
|
|
|
|
if (sandboxEnabled) {
|
|
sandboxEnabled = SetContentProcessSandbox(
|
|
ContentProcessSandboxParams::ForThisProcess(aBroker));
|
|
}
|
|
# elif defined(XP_WIN)
|
|
mozilla::SandboxTarget::Instance()->StartSandbox();
|
|
# elif defined(XP_MACOSX)
|
|
sandboxEnabled = (GetEffectiveContentSandboxLevel() >= 1);
|
|
DisconnectWindowServer(sandboxEnabled);
|
|
# endif
|
|
|
|
CrashReporter::RecordAnnotationBool(
|
|
CrashReporter::Annotation::ContentSandboxEnabled, sandboxEnabled);
|
|
# if defined(XP_LINUX) && !defined(ANDROID)
|
|
CrashReporter::RecordAnnotationU32(
|
|
CrashReporter::Annotation::ContentSandboxCapabilities,
|
|
SandboxInfo::Get().AsInteger());
|
|
# endif /* XP_LINUX && !ANDROID */
|
|
#endif /* MOZ_SANDBOX */
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvBidiKeyboardNotify(
|
|
const bool& aIsLangRTL, const bool& aHaveBidiKeyboards) {
|
|
// bidi is always of type PuppetBidiKeyboard* (because in the child, the only
|
|
// possible implementation of nsIBidiKeyboard is PuppetBidiKeyboard).
|
|
PuppetBidiKeyboard* bidi =
|
|
static_cast<PuppetBidiKeyboard*>(nsContentUtils::GetBidiKeyboard());
|
|
if (bidi) {
|
|
bidi->SetBidiKeyboardInfo(aIsLangRTL, aHaveBidiKeyboards);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
static StaticRefPtr<CancelableRunnable> gFirstIdleTask;
|
|
|
|
static void FirstIdle(void) {
|
|
MOZ_ASSERT(gFirstIdleTask);
|
|
gFirstIdleTask = nullptr;
|
|
|
|
ContentChild::GetSingleton()->SendFirstIdle();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvConstructBrowser(
|
|
ManagedEndpoint<PBrowserChild>&& aBrowserEp,
|
|
ManagedEndpoint<PWindowGlobalChild>&& aWindowEp, const TabId& aTabId,
|
|
const IPCTabContext& aContext, const WindowGlobalInit& aWindowInit,
|
|
const uint32_t& aChromeFlags, const ContentParentId& aCpID,
|
|
const bool& aIsForBrowser, const bool& aIsTopLevel) {
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsShuttingDown());
|
|
|
|
static bool hasRunOnce = false;
|
|
if (!hasRunOnce) {
|
|
hasRunOnce = true;
|
|
MOZ_ASSERT(!gFirstIdleTask);
|
|
RefPtr<CancelableRunnable> firstIdleTask =
|
|
NewCancelableRunnableFunction("FirstIdleRunnable", FirstIdle);
|
|
gFirstIdleTask = firstIdleTask;
|
|
if (NS_FAILED(NS_DispatchToCurrentThreadQueue(firstIdleTask.forget(),
|
|
EventQueuePriority::Idle))) {
|
|
gFirstIdleTask = nullptr;
|
|
hasRunOnce = false;
|
|
}
|
|
}
|
|
|
|
RefPtr<BrowsingContext> browsingContext =
|
|
BrowsingContext::Get(aWindowInit.context().mBrowsingContextId);
|
|
if (!browsingContext || browsingContext->IsDiscarded()) {
|
|
nsPrintfCString reason("%s initial %s BrowsingContext",
|
|
browsingContext ? "discarded" : "missing",
|
|
aIsTopLevel ? "top" : "frame");
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Warning, ("%s", reason.get()));
|
|
if (!aIsTopLevel) {
|
|
// Recover if the BrowsingContext is missing for a new subframe. The
|
|
// `ManagedEndpoint` instances will be automatically destroyed.
|
|
NS_WARNING(reason.get());
|
|
return IPC_OK();
|
|
}
|
|
|
|
// (these are the only possible values of `reason` at this point)
|
|
return browsingContext
|
|
? IPC_FAIL(this, "discarded initial top BrowsingContext")
|
|
: IPC_FAIL(this, "missing initial top BrowsingContext");
|
|
}
|
|
|
|
if (xpc::IsInAutomation() &&
|
|
StaticPrefs::
|
|
browser_tabs_remote_testOnly_failPBrowserCreation_enabled()) {
|
|
nsAutoCString idString;
|
|
if (NS_SUCCEEDED(Preferences::GetCString(
|
|
"browser.tabs.remote.testOnly.failPBrowserCreation.browsingContext",
|
|
idString))) {
|
|
nsresult rv = NS_OK;
|
|
uint64_t bcid = idString.ToInteger64(&rv);
|
|
if (NS_SUCCEEDED(rv) && bcid == browsingContext->Id()) {
|
|
NS_WARNING("Injecting artificial PBrowser creation failure");
|
|
return IPC_OK();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!aWindowInit.isInitialDocument() ||
|
|
!NS_IsAboutBlank(aWindowInit.documentURI())) {
|
|
return IPC_FAIL(this,
|
|
"Logic in CreateDocumentViewerForActor currently requires "
|
|
"actors to be initial about:blank documents");
|
|
}
|
|
|
|
// We'll happily accept any kind of IPCTabContext here; we don't need to
|
|
// check that it's of a certain type for security purposes, because we
|
|
// believe whatever the parent process tells us.
|
|
MaybeInvalidTabContext tc(aContext);
|
|
if (!tc.IsValid()) {
|
|
NS_ERROR(nsPrintfCString("Received an invalid TabContext from "
|
|
"the parent process. (%s) Crashing...",
|
|
tc.GetInvalidReason())
|
|
.get());
|
|
MOZ_CRASH("Invalid TabContext received from the parent process.");
|
|
}
|
|
|
|
RefPtr<WindowGlobalChild> windowChild =
|
|
WindowGlobalChild::CreateDisconnected(aWindowInit);
|
|
if (!windowChild) {
|
|
return IPC_FAIL(this, "Failed to create initial WindowGlobalChild");
|
|
}
|
|
|
|
RefPtr<BrowserChild> browserChild =
|
|
BrowserChild::Create(this, aTabId, tc.GetTabContext(), browsingContext,
|
|
aChromeFlags, aIsTopLevel);
|
|
|
|
// Bind the created BrowserChild to IPC to actually link the actor.
|
|
if (NS_WARN_IF(!BindPBrowserEndpoint(std::move(aBrowserEp), browserChild))) {
|
|
return IPC_FAIL(this, "BindPBrowserEndpoint failed");
|
|
}
|
|
|
|
if (NS_WARN_IF(!browserChild->BindPWindowGlobalEndpoint(std::move(aWindowEp),
|
|
windowChild))) {
|
|
return IPC_FAIL(this, "BindPWindowGlobalEndpoint failed");
|
|
}
|
|
windowChild->Init();
|
|
auto guardNullWindowGlobal = MakeScopeExit([&] {
|
|
if (!windowChild->GetWindowGlobal()) {
|
|
windowChild->Destroy();
|
|
}
|
|
});
|
|
|
|
// Ensure that a BrowsingContext is set for our BrowserChild before
|
|
// running `Init`.
|
|
MOZ_RELEASE_ASSERT(browserChild->mBrowsingContext->Id() ==
|
|
aWindowInit.context().mBrowsingContextId);
|
|
|
|
if (NS_WARN_IF(
|
|
NS_FAILED(browserChild->Init(/* aOpener */ nullptr, windowChild)))) {
|
|
return IPC_FAIL(browserChild, "BrowserChild::Init failed");
|
|
}
|
|
|
|
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
|
|
if (os) {
|
|
os->NotifyObservers(static_cast<nsIBrowserChild*>(browserChild),
|
|
"tab-child-created", nullptr);
|
|
}
|
|
// Notify parent that we are ready to handle input events.
|
|
browserChild->SendRemoteIsReadyToHandleInputEvents();
|
|
return IPC_OK();
|
|
}
|
|
|
|
void ContentChild::GetAvailableDictionaries(
|
|
nsTArray<nsCString>& aDictionaries) {
|
|
aDictionaries = mAvailableDictionaries.Clone();
|
|
}
|
|
|
|
mozilla::PRemoteSpellcheckEngineChild*
|
|
ContentChild::AllocPRemoteSpellcheckEngineChild() {
|
|
MOZ_CRASH(
|
|
"Default Constructor for PRemoteSpellcheckEngineChild should never be "
|
|
"called");
|
|
return nullptr;
|
|
}
|
|
|
|
bool ContentChild::DeallocPRemoteSpellcheckEngineChild(
|
|
PRemoteSpellcheckEngineChild* child) {
|
|
delete child;
|
|
return true;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvNotifyEmptyHTTPCache() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
|
|
obs->NotifyObservers(nullptr, "cacheservice:empty-cache", nullptr);
|
|
return IPC_OK();
|
|
}
|
|
|
|
PHalChild* ContentChild::AllocPHalChild() { return CreateHalChild(); }
|
|
|
|
bool ContentChild::DeallocPHalChild(PHalChild* aHal) {
|
|
delete aHal;
|
|
return true;
|
|
}
|
|
|
|
devtools::PHeapSnapshotTempFileHelperChild*
|
|
ContentChild::AllocPHeapSnapshotTempFileHelperChild() {
|
|
return devtools::HeapSnapshotTempFileHelperChild::Create();
|
|
}
|
|
|
|
bool ContentChild::DeallocPHeapSnapshotTempFileHelperChild(
|
|
devtools::PHeapSnapshotTempFileHelperChild* aHeapSnapshotHelper) {
|
|
delete aHeapSnapshotHelper;
|
|
return true;
|
|
}
|
|
|
|
already_AddRefed<PTestShellChild> ContentChild::AllocPTestShellChild() {
|
|
return MakeAndAddRef<TestShellChild>();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvPTestShellConstructor(
|
|
PTestShellChild* actor) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
RefPtr<GenericPromise> ContentChild::UpdateCookieStatus(nsIChannel* aChannel) {
|
|
RefPtr<CookieServiceChild> csChild = CookieServiceChild::GetSingleton();
|
|
NS_ASSERTION(csChild, "Couldn't get CookieServiceChild");
|
|
|
|
return csChild->TrackCookieLoad(aChannel);
|
|
}
|
|
|
|
PScriptCacheChild* ContentChild::AllocPScriptCacheChild(
|
|
const FileDescOrError& cacheFile, const bool& wantCacheData) {
|
|
return new loader::ScriptCacheChild();
|
|
}
|
|
|
|
bool ContentChild::DeallocPScriptCacheChild(PScriptCacheChild* cache) {
|
|
delete static_cast<loader::ScriptCacheChild*>(cache);
|
|
return true;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvPScriptCacheConstructor(
|
|
PScriptCacheChild* actor, const FileDescOrError& cacheFile,
|
|
const bool& wantCacheData) {
|
|
Maybe<FileDescriptor> fd;
|
|
if (cacheFile.type() == cacheFile.TFileDescriptor) {
|
|
fd.emplace(cacheFile.get_FileDescriptor());
|
|
}
|
|
|
|
static_cast<loader::ScriptCacheChild*>(actor)->Init(fd, wantCacheData);
|
|
|
|
// Some scripts listen for "app-startup" to start. However, in the content
|
|
// process, this category runs before the ScriptPreloader is initialized so
|
|
// these scripts wouldn't be added to the cache. Instead, if a script needs to
|
|
// run on start up in the content process, it should listen for this category.
|
|
NS_CreateServicesFromCategory("content-process-ready-for-script", nullptr,
|
|
"content-process-ready-for-script", nullptr);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvNetworkLinkTypeChange(
|
|
const uint32_t& aType) {
|
|
mNetworkLinkType = aType;
|
|
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
|
|
if (obs) {
|
|
obs->NotifyObservers(nullptr, "contentchild:network-link-type-changed",
|
|
nullptr);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvSocketProcessCrashed() {
|
|
nsIOService::IncreaseSocketProcessCrashCount();
|
|
return IPC_OK();
|
|
}
|
|
|
|
PRemotePrintJobChild* ContentChild::AllocPRemotePrintJobChild() {
|
|
#ifdef NS_PRINTING
|
|
return new RemotePrintJobChild();
|
|
#else
|
|
return nullptr;
|
|
#endif
|
|
}
|
|
|
|
media::PMediaChild* ContentChild::AllocPMediaChild() {
|
|
return media::AllocPMediaChild();
|
|
}
|
|
|
|
bool ContentChild::DeallocPMediaChild(media::PMediaChild* aActor) {
|
|
return media::DeallocPMediaChild(aActor);
|
|
}
|
|
|
|
PBenchmarkStorageChild* ContentChild::AllocPBenchmarkStorageChild() {
|
|
return BenchmarkStorageChild::Instance();
|
|
}
|
|
|
|
bool ContentChild::DeallocPBenchmarkStorageChild(
|
|
PBenchmarkStorageChild* aActor) {
|
|
delete aActor;
|
|
return true;
|
|
}
|
|
|
|
#ifdef MOZ_WEBRTC
|
|
PWebrtcGlobalChild* ContentChild::AllocPWebrtcGlobalChild() {
|
|
auto* child = new WebrtcGlobalChild();
|
|
return child;
|
|
}
|
|
|
|
bool ContentChild::DeallocPWebrtcGlobalChild(PWebrtcGlobalChild* aActor) {
|
|
delete static_cast<WebrtcGlobalChild*>(aActor);
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvRegisterChrome(
|
|
nsTArray<ChromePackage>&& packages,
|
|
nsTArray<SubstitutionMapping>&& resources,
|
|
nsTArray<OverrideMapping>&& overrides, const nsCString& locale,
|
|
const bool& reset) {
|
|
nsCOMPtr<nsIChromeRegistry> registrySvc = nsChromeRegistry::GetService();
|
|
nsChromeRegistryContent* chromeRegistry =
|
|
static_cast<nsChromeRegistryContent*>(registrySvc.get());
|
|
if (!chromeRegistry) {
|
|
return IPC_FAIL(this, "ChromeRegistryContent is null!");
|
|
}
|
|
chromeRegistry->RegisterRemoteChrome(packages, resources, overrides, locale,
|
|
reset);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvRegisterChromeItem(
|
|
const ChromeRegistryItem& item) {
|
|
nsCOMPtr<nsIChromeRegistry> registrySvc = nsChromeRegistry::GetService();
|
|
nsChromeRegistryContent* chromeRegistry =
|
|
static_cast<nsChromeRegistryContent*>(registrySvc.get());
|
|
if (!chromeRegistry) {
|
|
return IPC_FAIL(this, "ChromeRegistryContent is null!");
|
|
}
|
|
switch (item.type()) {
|
|
case ChromeRegistryItem::TChromePackage:
|
|
chromeRegistry->RegisterPackage(item.get_ChromePackage());
|
|
break;
|
|
|
|
case ChromeRegistryItem::TOverrideMapping:
|
|
chromeRegistry->RegisterOverride(item.get_OverrideMapping());
|
|
break;
|
|
|
|
case ChromeRegistryItem::TSubstitutionMapping:
|
|
chromeRegistry->RegisterSubstitution(item.get_SubstitutionMapping());
|
|
break;
|
|
|
|
default:
|
|
MOZ_ASSERT(false, "bad chrome item");
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
mozilla::ipc::IPCResult ContentChild::RecvClearStyleSheetCache(
|
|
const Maybe<RefPtr<nsIPrincipal>>& aForPrincipal,
|
|
const Maybe<nsCString>& aBaseDomain) {
|
|
nsIPrincipal* principal =
|
|
aForPrincipal ? aForPrincipal.value().get() : nullptr;
|
|
const nsCString* baseDomain = aBaseDomain ? aBaseDomain.ptr() : nullptr;
|
|
SharedStyleSheetCache::Clear(principal, baseDomain);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvClearImageCacheFromPrincipal(
|
|
nsIPrincipal* aPrincipal) {
|
|
imgLoader* loader;
|
|
if (aPrincipal->OriginAttributesRef().mPrivateBrowsingId ==
|
|
nsIScriptSecurityManager::DEFAULT_PRIVATE_BROWSING_ID) {
|
|
loader = imgLoader::NormalLoader();
|
|
} else {
|
|
loader = imgLoader::PrivateBrowsingLoader();
|
|
}
|
|
|
|
loader->RemoveEntriesInternal(aPrincipal, nullptr);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvClearImageCacheFromBaseDomain(
|
|
const nsCString& aBaseDomain) {
|
|
imgLoader::NormalLoader()->RemoveEntriesInternal(nullptr, &aBaseDomain);
|
|
imgLoader::PrivateBrowsingLoader()->RemoveEntriesInternal(nullptr,
|
|
&aBaseDomain);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvClearImageCache(
|
|
const bool& privateLoader, const bool& chrome) {
|
|
imgLoader* loader = privateLoader ? imgLoader::PrivateBrowsingLoader()
|
|
: imgLoader::NormalLoader();
|
|
|
|
loader->ClearCache(chrome);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvSetOffline(const bool& offline) {
|
|
nsCOMPtr<nsIIOService> io(do_GetIOService());
|
|
NS_ASSERTION(io, "IO Service can not be null");
|
|
|
|
io->SetOffline(offline);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvSetConnectivity(
|
|
const bool& connectivity) {
|
|
nsCOMPtr<nsIIOService> io(do_GetIOService());
|
|
nsCOMPtr<nsIIOServiceInternal> ioInternal(do_QueryInterface(io));
|
|
NS_ASSERTION(ioInternal, "IO Service can not be null");
|
|
|
|
ioInternal->SetConnectivity(connectivity);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvSetCaptivePortalState(
|
|
const int32_t& aState) {
|
|
nsCOMPtr<nsICaptivePortalService> cps = do_GetService(NS_CAPTIVEPORTAL_CID);
|
|
if (!cps) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::net::CaptivePortalService* portal =
|
|
static_cast<mozilla::net::CaptivePortalService*>(cps.get());
|
|
portal->SetStateInChild(aState);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvSetTRRMode(
|
|
const nsIDNSService::ResolverMode& mode,
|
|
const nsIDNSService::ResolverMode& modeFromPref) {
|
|
RefPtr<net::ChildDNSService> dnsServiceChild =
|
|
dont_AddRef(net::ChildDNSService::GetSingleton());
|
|
if (dnsServiceChild) {
|
|
dnsServiceChild->SetTRRModeInChild(mode, modeFromPref);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
void ContentChild::ActorDestroy(ActorDestroyReason why) {
|
|
if (mForceKillTimer) {
|
|
mForceKillTimer->Cancel();
|
|
mForceKillTimer = nullptr;
|
|
}
|
|
|
|
if (AbnormalShutdown == why) {
|
|
NS_WARNING("shutting down early because of crash!");
|
|
ProcessChild::QuickExit();
|
|
}
|
|
|
|
#ifndef NS_FREE_PERMANENT_DATA
|
|
// In release builds, there's no point in the content process
|
|
// going through the full XPCOM shutdown path, because it doesn't
|
|
// keep persistent state.
|
|
ProcessChild::QuickExit();
|
|
#else
|
|
// Destroy our JSProcessActors, and reject any pending queries.
|
|
JSActorDidDestroy();
|
|
|
|
# if defined(XP_WIN)
|
|
RefPtr<DllServices> dllSvc(DllServices::Get());
|
|
dllSvc->DisableFull();
|
|
# endif // defined(XP_WIN)
|
|
|
|
if (gFirstIdleTask) {
|
|
gFirstIdleTask->Cancel();
|
|
gFirstIdleTask = nullptr;
|
|
}
|
|
|
|
BlobURLProtocolHandler::RemoveDataEntries();
|
|
|
|
mSharedData = nullptr;
|
|
|
|
mAlertObservers.Clear();
|
|
|
|
mIdleObservers.Clear();
|
|
|
|
if (mConsoleListener) {
|
|
nsCOMPtr<nsIConsoleService> svc(
|
|
do_GetService(NS_CONSOLESERVICE_CONTRACTID));
|
|
if (svc) {
|
|
svc->UnregisterListener(mConsoleListener);
|
|
mConsoleListener->mChild = nullptr;
|
|
}
|
|
}
|
|
mIsAlive = false;
|
|
|
|
CrashReporterClient::DestroySingleton();
|
|
|
|
XRE_ShutdownChildProcess();
|
|
#endif // NS_FREE_PERMANENT_DATA
|
|
}
|
|
|
|
void ContentChild::ProcessingError(Result aCode, const char* aReason) {
|
|
switch (aCode) {
|
|
case MsgDropped:
|
|
NS_WARNING("MsgDropped in ContentChild");
|
|
return;
|
|
|
|
case MsgNotKnown:
|
|
case MsgNotAllowed:
|
|
case MsgPayloadError:
|
|
case MsgProcessingError:
|
|
case MsgRouteError:
|
|
case MsgValueError:
|
|
break;
|
|
|
|
default:
|
|
MOZ_CRASH("not reached");
|
|
}
|
|
|
|
CrashReporter::RecordAnnotationCString(
|
|
CrashReporter::Annotation::ipc_channel_error, aReason);
|
|
|
|
MOZ_CRASH("Content child abort due to IPC error");
|
|
}
|
|
|
|
nsresult ContentChild::AddRemoteAlertObserver(const nsString& aData,
|
|
nsIObserver* aObserver) {
|
|
NS_ASSERTION(aObserver, "Adding a null observer?");
|
|
mAlertObservers.AppendElement(new AlertObserver(aObserver, aData));
|
|
return NS_OK;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvPreferenceUpdate(const Pref& aPref) {
|
|
Preferences::SetPreference(aPref);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvVarUpdate(const GfxVarUpdate& aVar) {
|
|
gfx::gfxVars::ApplyUpdate(aVar);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvUpdatePerfStatsCollectionMask(
|
|
const uint64_t& aMask) {
|
|
PerfStats::SetCollectionMask(static_cast<PerfStats::MetricMask>(aMask));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvCollectPerfStatsJSON(
|
|
CollectPerfStatsJSONResolver&& aResolver) {
|
|
aResolver(PerfStats::CollectLocalPerfStatsJSON());
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvCollectScrollingMetrics(
|
|
CollectScrollingMetricsResolver&& aResolver) {
|
|
auto metrics = ScrollingMetrics::CollectLocalScrollingMetrics();
|
|
using ResolverArgs = std::tuple<const uint32_t&, const uint32_t&>;
|
|
aResolver(ResolverArgs(std::get<0>(metrics), std::get<1>(metrics)));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvNotifyAlertsObserver(
|
|
const nsCString& aType, const nsString& aData) {
|
|
nsTArray<nsCOMPtr<nsIObserver>> observersToNotify;
|
|
|
|
mAlertObservers.RemoveElementsBy([&](UniquePtr<AlertObserver>& observer) {
|
|
if (!observer->mData.Equals(aData)) {
|
|
return false;
|
|
}
|
|
|
|
// aType == alertfinished, this alert is done and we can remove the
|
|
// observer.
|
|
observersToNotify.AppendElement(observer->mObserver);
|
|
return aType.EqualsLiteral("alertfinished");
|
|
});
|
|
|
|
for (auto& observer : observersToNotify) {
|
|
observer->Observe(nullptr, aType.get(), aData.get());
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvNotifyVisited(
|
|
nsTArray<VisitedQueryResult>&& aURIs) {
|
|
nsCOMPtr<IHistory> history = components::History::Service();
|
|
if (!history) {
|
|
return IPC_OK();
|
|
}
|
|
for (const VisitedQueryResult& result : aURIs) {
|
|
nsCOMPtr<nsIURI> newURI = result.uri();
|
|
if (!newURI) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
auto status = result.visited() ? IHistory::VisitedStatus::Visited
|
|
: IHistory::VisitedStatus::Unvisited;
|
|
history->NotifyVisited(newURI, status);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvThemeChanged(
|
|
FullLookAndFeel&& aLookAndFeelData, widget::ThemeChangeKind aKind) {
|
|
LookAndFeel::SetData(std::move(aLookAndFeelData));
|
|
LookAndFeel::NotifyChangedAllWindows(aKind);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvLoadProcessScript(
|
|
const nsString& aURL) {
|
|
auto* global = ContentProcessMessageManager::Get();
|
|
if (global && global->LoadScript(aURL)) {
|
|
return IPC_OK();
|
|
}
|
|
return IPC_FAIL(this, "ContentProcessMessageManager::LoadScript failed");
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvAsyncMessage(
|
|
const nsString& aMsg, const ClonedMessageData& aData) {
|
|
AUTO_PROFILER_LABEL_DYNAMIC_LOSSY_NSSTRING("ContentChild::RecvAsyncMessage",
|
|
OTHER, aMsg);
|
|
MMPrinter::Print("ContentChild::RecvAsyncMessage", aMsg, aData);
|
|
|
|
RefPtr<nsFrameMessageManager> cpm =
|
|
nsFrameMessageManager::GetChildProcessManager();
|
|
if (cpm) {
|
|
StructuredCloneData data;
|
|
ipc::UnpackClonedMessageData(aData, data);
|
|
cpm->ReceiveMessage(cpm, nullptr, aMsg, false, &data, nullptr,
|
|
IgnoreErrors());
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvRegisterStringBundles(
|
|
nsTArray<mozilla::dom::StringBundleDescriptor>&& aDescriptors) {
|
|
nsCOMPtr<nsIStringBundleService> stringBundleService =
|
|
components::StringBundle::Service();
|
|
|
|
for (auto& descriptor : aDescriptors) {
|
|
stringBundleService->RegisterContentBundle(
|
|
descriptor.bundleURL(), descriptor.mapFile(), descriptor.mapSize());
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvUpdateL10nFileSources(
|
|
nsTArray<mozilla::dom::L10nFileSourceDescriptor>&& aDescriptors) {
|
|
L10nRegistry::RegisterFileSourcesFromParentProcess(aDescriptors);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvUpdateSharedData(
|
|
const FileDescriptor& aMapFile, const uint32_t& aMapSize,
|
|
nsTArray<IPCBlob>&& aBlobs, nsTArray<nsCString>&& aChangedKeys) {
|
|
nsTArray<RefPtr<BlobImpl>> blobImpls(aBlobs.Length());
|
|
for (auto& ipcBlob : aBlobs) {
|
|
blobImpls.AppendElement(IPCBlobUtils::Deserialize(ipcBlob));
|
|
}
|
|
|
|
if (mSharedData) {
|
|
mSharedData->Update(aMapFile, aMapSize, std::move(blobImpls),
|
|
std::move(aChangedKeys));
|
|
} else {
|
|
mSharedData =
|
|
new SharedMap(ContentProcessMessageManager::Get()->GetParentObject(),
|
|
aMapFile, aMapSize, std::move(blobImpls));
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvFontListChanged() {
|
|
gfxPlatformFontList::PlatformFontList()->FontListChanged();
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvForceGlobalReflow(
|
|
bool aNeedsReframe) {
|
|
gfxPlatform::ForceGlobalReflow(aNeedsReframe ? gfxPlatform::NeedsReframe::Yes
|
|
: gfxPlatform::NeedsReframe::No);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvGeolocationUpdate(
|
|
nsIDOMGeoPosition* aPosition) {
|
|
RefPtr<nsGeolocationService> gs =
|
|
nsGeolocationService::GetGeolocationService();
|
|
if (!gs) {
|
|
return IPC_OK();
|
|
}
|
|
gs->Update(aPosition);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvGeolocationError(
|
|
const uint16_t& errorCode) {
|
|
RefPtr<nsGeolocationService> gs =
|
|
nsGeolocationService::GetGeolocationService();
|
|
if (!gs) {
|
|
return IPC_OK();
|
|
}
|
|
gs->NotifyError(errorCode);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvUpdateDictionaryList(
|
|
nsTArray<nsCString>&& aDictionaries) {
|
|
mAvailableDictionaries = std::move(aDictionaries);
|
|
mozInlineSpellChecker::UpdateCanEnableInlineSpellChecking();
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvUpdateFontList(
|
|
dom::SystemFontList&& aFontList) {
|
|
mFontList = std::move(aFontList);
|
|
if (gfxPlatform::Initialized()) {
|
|
gfxPlatform::GetPlatform()->UpdateFontList(true);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvRebuildFontList(
|
|
const bool& aFullRebuild) {
|
|
if (gfxPlatform::Initialized()) {
|
|
gfxPlatform::GetPlatform()->UpdateFontList(aFullRebuild);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvFontListShmBlockAdded(
|
|
const uint32_t& aGeneration, const uint32_t& aIndex,
|
|
base::SharedMemoryHandle&& aHandle) {
|
|
if (gfxPlatform::Initialized()) {
|
|
gfxPlatformFontList::PlatformFontList()->ShmBlockAdded(aGeneration, aIndex,
|
|
std::move(aHandle));
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvUpdateAppLocales(
|
|
nsTArray<nsCString>&& aAppLocales) {
|
|
LocaleService::GetInstance()->AssignAppLocales(aAppLocales);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvUpdateRequestedLocales(
|
|
nsTArray<nsCString>&& aRequestedLocales) {
|
|
LocaleService::GetInstance()->AssignRequestedLocales(aRequestedLocales);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvSystemTimezoneChanged() {
|
|
nsJSUtils::ResetTimeZone();
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvAddPermission(
|
|
const IPC::Permission& permission) {
|
|
nsCOMPtr<nsIPermissionManager> permissionManagerIface =
|
|
components::PermissionManager::Service();
|
|
PermissionManager* permissionManager =
|
|
static_cast<PermissionManager*>(permissionManagerIface.get());
|
|
MOZ_ASSERT(permissionManager,
|
|
"We have no permissionManager in the Content process !");
|
|
|
|
// note we do not need to force mUserContextId to the default here because
|
|
// the permission manager does that internally.
|
|
nsAutoCString originNoSuffix;
|
|
OriginAttributes attrs;
|
|
bool success = attrs.PopulateFromOrigin(permission.origin, originNoSuffix);
|
|
NS_ENSURE_TRUE(success, IPC_FAIL_NO_REASON(this));
|
|
|
|
nsCOMPtr<nsIURI> uri;
|
|
nsresult rv = NS_NewURI(getter_AddRefs(uri), originNoSuffix);
|
|
NS_ENSURE_SUCCESS(rv, IPC_OK());
|
|
|
|
nsCOMPtr<nsIPrincipal> principal =
|
|
mozilla::BasePrincipal::CreateContentPrincipal(uri, attrs);
|
|
|
|
// child processes don't care about modification time.
|
|
int64_t modificationTime = 0;
|
|
|
|
permissionManager->AddInternal(
|
|
principal, nsCString(permission.type), permission.capability, 0,
|
|
permission.expireType, permission.expireTime, modificationTime,
|
|
PermissionManager::eNotify, PermissionManager::eNoDBOperation);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvRemoveAllPermissions() {
|
|
nsCOMPtr<nsIPermissionManager> permissionManagerIface =
|
|
components::PermissionManager::Service();
|
|
PermissionManager* permissionManager =
|
|
static_cast<PermissionManager*>(permissionManagerIface.get());
|
|
MOZ_ASSERT(permissionManager,
|
|
"We have no permissionManager in the Content process !");
|
|
|
|
permissionManager->RemoveAllFromIPC();
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvFlushMemory(const nsString& reason) {
|
|
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
|
|
if (!mShuttingDown && os) {
|
|
os->NotifyObservers(nullptr, "memory-pressure", reason.get());
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvActivateA11y() {
|
|
#ifdef ACCESSIBILITY
|
|
// Start accessibility in content process if it's running in chrome
|
|
// process.
|
|
GetOrCreateAccService(nsAccessibilityService::eMainProcess);
|
|
#endif // ACCESSIBILITY
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvShutdownA11y() {
|
|
#ifdef ACCESSIBILITY
|
|
// Try to shutdown accessibility in content process if it's shutting down in
|
|
// chrome process.
|
|
MaybeShutdownAccService(nsAccessibilityService::eMainProcess);
|
|
#endif
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvApplicationForeground() {
|
|
// Rebroadcast the "application-foreground"
|
|
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
|
|
if (obs) {
|
|
obs->NotifyObservers(nullptr, "application-foreground", nullptr);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvApplicationBackground() {
|
|
// Rebroadcast the "application-background"
|
|
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
|
|
if (obs) {
|
|
obs->NotifyObservers(nullptr, "application-background", nullptr);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvGarbageCollect() {
|
|
// Rebroadcast the "child-gc-request" so that workers will GC.
|
|
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
|
|
if (obs) {
|
|
obs->NotifyObservers(nullptr, "child-gc-request", nullptr);
|
|
}
|
|
nsJSContext::GarbageCollectNow(JS::GCReason::DOM_IPC);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvCycleCollect() {
|
|
// Rebroadcast the "child-cc-request" so that workers will CC.
|
|
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
|
|
if (obs) {
|
|
obs->NotifyObservers(nullptr, "child-cc-request", nullptr);
|
|
}
|
|
nsJSContext::CycleCollectNow(CCReason::IPC_MESSAGE);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvUnlinkGhosts() {
|
|
#ifdef DEBUG
|
|
nsWindowMemoryReporter::UnlinkGhostWindows();
|
|
#endif
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvAppInfo(
|
|
const nsCString& version, const nsCString& buildID, const nsCString& name,
|
|
const nsCString& UAName, const nsCString& ID, const nsCString& vendor,
|
|
const nsCString& sourceURL, const nsCString& updateURL) {
|
|
mAppInfo.version.Assign(version);
|
|
mAppInfo.buildID.Assign(buildID);
|
|
mAppInfo.name.Assign(name);
|
|
mAppInfo.UAName.Assign(UAName);
|
|
mAppInfo.ID.Assign(ID);
|
|
mAppInfo.vendor.Assign(vendor);
|
|
mAppInfo.sourceURL.Assign(sourceURL);
|
|
mAppInfo.updateURL.Assign(updateURL);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvRemoteType(
|
|
const nsCString& aRemoteType, const nsCString& aProfile) {
|
|
if (aRemoteType == mRemoteType) {
|
|
// Allocation of preallocated processes that are still launching can
|
|
// cause this
|
|
return IPC_OK();
|
|
}
|
|
|
|
if (!mRemoteType.IsVoid()) {
|
|
// Preallocated processes are type PREALLOC_REMOTE_TYPE; they may not
|
|
// become a File: process, or Privileged About Content Process
|
|
MOZ_LOG(ContentParent::GetLog(), LogLevel::Debug,
|
|
("Changing remoteType of process %d from %s to %s", getpid(),
|
|
mRemoteType.get(), aRemoteType.get()));
|
|
// prealloc->anything (but file) or web->web allowed, and no-change
|
|
MOZ_RELEASE_ASSERT(mRemoteType == PREALLOC_REMOTE_TYPE &&
|
|
aRemoteType != FILE_REMOTE_TYPE &&
|
|
aRemoteType != PRIVILEGEDABOUT_REMOTE_TYPE);
|
|
} else {
|
|
// Initial setting of remote type. Either to 'prealloc' or the actual
|
|
// final type (if we didn't use a preallocated process)
|
|
MOZ_LOG(ContentParent::GetLog(), LogLevel::Debug,
|
|
("Setting remoteType of process %d to %s", getpid(),
|
|
aRemoteType.get()));
|
|
|
|
if (aRemoteType == PREALLOC_REMOTE_TYPE) {
|
|
PreallocInit();
|
|
}
|
|
}
|
|
|
|
auto remoteTypePrefix = RemoteTypePrefix(aRemoteType);
|
|
|
|
// Must do before SetProcessName
|
|
mRemoteType.Assign(aRemoteType);
|
|
|
|
// Update the process name so about:memory's process names are more obvious.
|
|
if (aRemoteType == FILE_REMOTE_TYPE) {
|
|
SetProcessName("file:// Content"_ns, nullptr, &aProfile);
|
|
} else if (aRemoteType == EXTENSION_REMOTE_TYPE) {
|
|
SetProcessName("WebExtensions"_ns, nullptr, &aProfile);
|
|
} else if (aRemoteType == PRIVILEGEDABOUT_REMOTE_TYPE) {
|
|
SetProcessName("Privileged Content"_ns, nullptr, &aProfile);
|
|
} else if (aRemoteType == PRIVILEGEDMOZILLA_REMOTE_TYPE) {
|
|
SetProcessName("Privileged Mozilla"_ns, nullptr, &aProfile);
|
|
} else if (remoteTypePrefix == WITH_COOP_COEP_REMOTE_TYPE) {
|
|
// The profiler can sanitize out the eTLD+1
|
|
nsDependentCSubstring etld =
|
|
Substring(aRemoteType, WITH_COOP_COEP_REMOTE_TYPE.Length() + 1);
|
|
#ifdef NIGHTLY_BUILD
|
|
SetProcessName("WebCOOP+COEP Content"_ns, &etld, &aProfile);
|
|
#else
|
|
SetProcessName("Isolated Web Content"_ns, &etld,
|
|
&aProfile); // to avoid confusing people
|
|
#endif
|
|
} else if (remoteTypePrefix == FISSION_WEB_REMOTE_TYPE) {
|
|
// The profiler can sanitize out the eTLD+1
|
|
nsDependentCSubstring etld =
|
|
Substring(aRemoteType, FISSION_WEB_REMOTE_TYPE.Length() + 1);
|
|
SetProcessName("Isolated Web Content"_ns, &etld, &aProfile);
|
|
} else if (remoteTypePrefix == SERVICEWORKER_REMOTE_TYPE) {
|
|
// The profiler can sanitize out the eTLD+1
|
|
nsDependentCSubstring etld =
|
|
Substring(aRemoteType, SERVICEWORKER_REMOTE_TYPE.Length() + 1);
|
|
SetProcessName("Isolated Service Worker"_ns, &etld, &aProfile);
|
|
} else {
|
|
// else "prealloc" or "web" type -> "Web Content"
|
|
SetProcessName("Web Content"_ns, nullptr, &aProfile);
|
|
}
|
|
|
|
// Turn off Spectre mitigations in isolated web content processes.
|
|
if (StaticPrefs::javascript_options_spectre_disable_for_isolated_content() &&
|
|
(remoteTypePrefix == FISSION_WEB_REMOTE_TYPE ||
|
|
remoteTypePrefix == SERVICEWORKER_REMOTE_TYPE ||
|
|
remoteTypePrefix == WITH_COOP_COEP_REMOTE_TYPE ||
|
|
aRemoteType == PRIVILEGEDABOUT_REMOTE_TYPE ||
|
|
aRemoteType == PRIVILEGEDMOZILLA_REMOTE_TYPE)) {
|
|
JS::DisableSpectreMitigationsAfterInit();
|
|
}
|
|
|
|
// Use the prefix to avoid URIs from Fission isolated processes.
|
|
CrashReporter::RecordAnnotationNSCString(
|
|
CrashReporter::Annotation::RemoteType, remoteTypePrefix);
|
|
|
|
// Defer RemoteWorkerService initialization until the child process does
|
|
// receive its specific remoteType and can become actionable for the
|
|
// RemoteWorkerManager in the parent process.
|
|
if (mRemoteType != PREALLOC_REMOTE_TYPE) {
|
|
RemoteWorkerService::Initialize();
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
// A method to initialize anything we need during the preallocation phase
|
|
void ContentChild::PreallocInit() {
|
|
EnsureNSSInitializedChromeOrContent();
|
|
|
|
// SetAcceptLanguages() needs to read localized strings (file access),
|
|
// which is slow, so do this in prealloc
|
|
nsHttpHandler::PresetAcceptLanguages();
|
|
}
|
|
|
|
// Call RemoteTypePrefix() on the result to remove URIs if you want to use this
|
|
// for telemetry.
|
|
const nsACString& ContentChild::GetRemoteType() const { return mRemoteType; }
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvInitBlobURLs(
|
|
nsTArray<BlobURLRegistrationData>&& aRegistrations) {
|
|
for (uint32_t i = 0; i < aRegistrations.Length(); ++i) {
|
|
BlobURLRegistrationData& registration = aRegistrations[i];
|
|
RefPtr<BlobImpl> blobImpl = IPCBlobUtils::Deserialize(registration.blob());
|
|
MOZ_ASSERT(blobImpl);
|
|
|
|
BlobURLProtocolHandler::AddDataEntry(registration.url(),
|
|
registration.principal(),
|
|
registration.partitionKey(), blobImpl);
|
|
// If we have received an already-revoked blobURL, we have to keep it alive
|
|
// for a while (see BlobURLProtocolHandler) in order to support pending
|
|
// operations such as navigation, download and so on.
|
|
if (registration.revoked()) {
|
|
BlobURLProtocolHandler::RemoveDataEntry(registration.url(), false);
|
|
}
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvInitJSActorInfos(
|
|
nsTArray<JSProcessActorInfo>&& aContentInfos,
|
|
nsTArray<JSWindowActorInfo>&& aWindowInfos) {
|
|
RefPtr<JSActorService> actSvc = JSActorService::GetSingleton();
|
|
actSvc->LoadJSActorInfos(aContentInfos, aWindowInfos);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvUnregisterJSWindowActor(
|
|
const nsCString& aName) {
|
|
RefPtr<JSActorService> actSvc = JSActorService::GetSingleton();
|
|
actSvc->UnregisterWindowActor(aName);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvUnregisterJSProcessActor(
|
|
const nsCString& aName) {
|
|
RefPtr<JSActorService> actSvc = JSActorService::GetSingleton();
|
|
actSvc->UnregisterProcessActor(aName);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvLastPrivateDocShellDestroyed() {
|
|
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
|
|
obs->NotifyObservers(nullptr, "last-pb-context-exited", nullptr);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvNotifyProcessPriorityChanged(
|
|
const hal::ProcessPriority& aPriority) {
|
|
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
|
|
NS_ENSURE_TRUE(os, IPC_OK());
|
|
|
|
RefPtr<nsHashPropertyBag> props = new nsHashPropertyBag();
|
|
props->SetPropertyAsInt32(u"priority"_ns, static_cast<int32_t>(aPriority));
|
|
|
|
PROFILER_MARKER("Process Priority", OTHER,
|
|
mozilla::MarkerThreadId::MainThread(), ProcessPriorityChange,
|
|
ProfilerString8View::WrapNullTerminatedString(
|
|
ProcessPriorityToString(mProcessPriority)),
|
|
ProfilerString8View::WrapNullTerminatedString(
|
|
ProcessPriorityToString(aPriority)));
|
|
|
|
// Record FOG data before the priority change.
|
|
// Ignore the change if it's the first time we set the process priority.
|
|
if (mProcessPriority != hal::PROCESS_PRIORITY_UNKNOWN) {
|
|
glean::RecordPowerMetrics();
|
|
}
|
|
|
|
ConfigureThreadPerformanceHints(aPriority);
|
|
|
|
mProcessPriority = aPriority;
|
|
|
|
os->NotifyObservers(static_cast<nsIPropertyBag2*>(props),
|
|
"ipc:process-priority-changed", nullptr);
|
|
if (StaticPrefs::
|
|
dom_memory_foreground_content_processes_have_larger_page_cache()) {
|
|
if (mProcessPriority >= hal::PROCESS_PRIORITY_FOREGROUND) {
|
|
// Note: keep this in sync with the JS shell (js/src/shell/js.cpp).
|
|
moz_set_max_dirty_page_modifier(4);
|
|
} else if (mProcessPriority == hal::PROCESS_PRIORITY_BACKGROUND) {
|
|
moz_set_max_dirty_page_modifier(-2);
|
|
} else {
|
|
moz_set_max_dirty_page_modifier(0);
|
|
}
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvMinimizeMemoryUsage() {
|
|
nsCOMPtr<nsIMemoryReporterManager> mgr =
|
|
do_GetService("@mozilla.org/memory-reporter-manager;1");
|
|
NS_ENSURE_TRUE(mgr, IPC_OK());
|
|
|
|
Unused << mgr->MinimizeMemoryUsage(/* callback = */ nullptr);
|
|
return IPC_OK();
|
|
}
|
|
|
|
void ContentChild::AddIdleObserver(nsIObserver* aObserver,
|
|
uint32_t aIdleTimeInS) {
|
|
MOZ_ASSERT(aObserver, "null idle observer");
|
|
// Make sure aObserver isn't released while we wait for the parent
|
|
aObserver->AddRef();
|
|
SendAddIdleObserver(reinterpret_cast<uint64_t>(aObserver), aIdleTimeInS);
|
|
mIdleObservers.Insert(aObserver);
|
|
}
|
|
|
|
void ContentChild::RemoveIdleObserver(nsIObserver* aObserver,
|
|
uint32_t aIdleTimeInS) {
|
|
MOZ_ASSERT(aObserver, "null idle observer");
|
|
SendRemoveIdleObserver(reinterpret_cast<uint64_t>(aObserver), aIdleTimeInS);
|
|
aObserver->Release();
|
|
mIdleObservers.Remove(aObserver);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvNotifyIdleObserver(
|
|
const uint64_t& aObserver, const nsCString& aTopic,
|
|
const nsString& aTimeStr) {
|
|
nsIObserver* observer = reinterpret_cast<nsIObserver*>(aObserver);
|
|
if (mIdleObservers.Contains(observer)) {
|
|
observer->Observe(nullptr, aTopic.get(), aTimeStr.get());
|
|
} else {
|
|
NS_WARNING("Received notification for an idle observer that was removed.");
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvLoadAndRegisterSheet(
|
|
nsIURI* aURI, const uint32_t& aType) {
|
|
if (!aURI) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsStyleSheetService* sheetService = nsStyleSheetService::GetInstance();
|
|
if (sheetService) {
|
|
sheetService->LoadAndRegisterSheet(aURI, aType);
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvUnregisterSheet(
|
|
nsIURI* aURI, const uint32_t& aType) {
|
|
if (!aURI) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsStyleSheetService* sheetService = nsStyleSheetService::GetInstance();
|
|
if (sheetService) {
|
|
sheetService->UnregisterSheet(aURI, aType);
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvDomainSetChanged(
|
|
const uint32_t& aSetType, const uint32_t& aChangeType, nsIURI* aDomain) {
|
|
if (aChangeType == ACTIVATE_POLICY) {
|
|
if (mPolicy) {
|
|
return IPC_OK();
|
|
}
|
|
nsIScriptSecurityManager* ssm = nsContentUtils::GetSecurityManager();
|
|
MOZ_ASSERT(ssm);
|
|
ssm->ActivateDomainPolicyInternal(getter_AddRefs(mPolicy));
|
|
if (!mPolicy) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
if (!mPolicy) {
|
|
MOZ_ASSERT_UNREACHABLE(
|
|
"If the domain policy is not active yet,"
|
|
" the first message should be ACTIVATE_POLICY");
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
NS_ENSURE_TRUE(mPolicy, IPC_FAIL_NO_REASON(this));
|
|
|
|
if (aChangeType == DEACTIVATE_POLICY) {
|
|
mPolicy->Deactivate();
|
|
mPolicy = nullptr;
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsIDomainSet> set;
|
|
switch (aSetType) {
|
|
case BLOCKLIST:
|
|
mPolicy->GetBlocklist(getter_AddRefs(set));
|
|
break;
|
|
case SUPER_BLOCKLIST:
|
|
mPolicy->GetSuperBlocklist(getter_AddRefs(set));
|
|
break;
|
|
case ALLOWLIST:
|
|
mPolicy->GetAllowlist(getter_AddRefs(set));
|
|
break;
|
|
case SUPER_ALLOWLIST:
|
|
mPolicy->GetSuperAllowlist(getter_AddRefs(set));
|
|
break;
|
|
default:
|
|
MOZ_ASSERT_UNREACHABLE("Unexpected setType");
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
MOZ_ASSERT(set);
|
|
|
|
switch (aChangeType) {
|
|
case ADD_DOMAIN:
|
|
NS_ENSURE_TRUE(aDomain, IPC_FAIL_NO_REASON(this));
|
|
set->Add(aDomain);
|
|
break;
|
|
case REMOVE_DOMAIN:
|
|
NS_ENSURE_TRUE(aDomain, IPC_FAIL_NO_REASON(this));
|
|
set->Remove(aDomain);
|
|
break;
|
|
case CLEAR_DOMAINS:
|
|
set->Clear();
|
|
break;
|
|
default:
|
|
MOZ_ASSERT_UNREACHABLE("Unexpected changeType");
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
void ContentChild::StartForceKillTimer() {
|
|
if (mForceKillTimer) {
|
|
return;
|
|
}
|
|
|
|
int32_t timeoutSecs = StaticPrefs::dom_ipc_tabs_shutdownTimeoutSecs();
|
|
if (timeoutSecs > 0) {
|
|
NS_NewTimerWithFuncCallback(getter_AddRefs(mForceKillTimer),
|
|
ContentChild::ForceKillTimerCallback, this,
|
|
timeoutSecs * 1000, nsITimer::TYPE_ONE_SHOT,
|
|
"dom::ContentChild::StartForceKillTimer");
|
|
MOZ_ASSERT(mForceKillTimer);
|
|
}
|
|
}
|
|
|
|
/* static */
|
|
void ContentChild::ForceKillTimerCallback(nsITimer* aTimer, void* aClosure) {
|
|
ProcessChild::QuickExit();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvShutdownConfirmedHP() {
|
|
ProcessChild::AppendToIPCShutdownStateAnnotation(
|
|
"RecvShutdownConfirmedHP entry"_ns);
|
|
|
|
// Bug 1755376: If we see "RecvShutdownConfirmedHP entry" often in
|
|
// bug IPCError_ShutDownKill we might want to anticipate
|
|
// ShutdownPhase::AppShutdownConfirmed to start here.
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvShutdown() {
|
|
ProcessChild::AppendToIPCShutdownStateAnnotation("RecvShutdown entry"_ns);
|
|
|
|
// Signal the ongoing shutdown to AppShutdown, this
|
|
// will make abort nested SpinEventLoopUntilOrQuit loops
|
|
AppShutdown::AdvanceShutdownPhaseWithoutNotify(
|
|
ShutdownPhase::AppShutdownConfirmed);
|
|
|
|
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
|
|
if (os) {
|
|
ProcessChild::AppendToIPCShutdownStateAnnotation(
|
|
"content-child-will-shutdown started"_ns);
|
|
|
|
os->NotifyObservers(ToSupports(this), "content-child-will-shutdown",
|
|
nullptr);
|
|
}
|
|
|
|
ShutdownInternal();
|
|
return IPC_OK();
|
|
}
|
|
|
|
void ContentChild::ShutdownInternal() {
|
|
ProcessChild::AppendToIPCShutdownStateAnnotation("ShutdownInternal entry"_ns);
|
|
|
|
// If we receive the shutdown message from within a nested event loop, we want
|
|
// to wait for that event loop to finish. Otherwise we could prematurely
|
|
// terminate an "unload" or "pagehide" event handler (which might be doing a
|
|
// sync XHR, for example).
|
|
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
RefPtr<nsThread> mainThread = nsThreadManager::get().GetCurrentThread();
|
|
// Note that we only have to check the recursion count for the current
|
|
// cooperative thread. Since the Shutdown message is not labeled with a
|
|
// SchedulerGroup, there can be no other cooperative threads doing work while
|
|
// we're running.
|
|
if (mainThread && mainThread->RecursionDepth() > 1) {
|
|
// We're in a nested event loop. Let's delay for an arbitrary period of
|
|
// time (100ms) in the hopes that the event loop will have finished by
|
|
// then.
|
|
GetCurrentSerialEventTarget()->DelayedDispatch(
|
|
NewRunnableMethod("dom::ContentChild::RecvShutdown", this,
|
|
&ContentChild::ShutdownInternal),
|
|
100);
|
|
return;
|
|
}
|
|
|
|
mShuttingDown = true;
|
|
|
|
#ifdef NIGHTLY_BUILD
|
|
BackgroundHangMonitor::UnregisterAnnotator(
|
|
PendingInputEventHangAnnotator::sSingleton);
|
|
#endif
|
|
|
|
if (mPolicy) {
|
|
mPolicy->Deactivate();
|
|
mPolicy = nullptr;
|
|
}
|
|
|
|
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
|
|
if (os) {
|
|
ProcessChild::AppendToIPCShutdownStateAnnotation(
|
|
"content-child-shutdown started"_ns);
|
|
os->NotifyObservers(ToSupports(this), "content-child-shutdown", nullptr);
|
|
}
|
|
|
|
GetIPCChannel()->SetAbortOnError(false);
|
|
|
|
if (mProfilerController) {
|
|
const bool isProfiling = profiler_is_active();
|
|
CrashReporter::RecordAnnotationCString(
|
|
CrashReporter::Annotation::ProfilerChildShutdownPhase,
|
|
isProfiling ? "Profiling - GrabShutdownProfileAndShutdown"
|
|
: "Not profiling - GrabShutdownProfileAndShutdown");
|
|
ProfileAndAdditionalInformation shutdownProfileAndAdditionalInformation =
|
|
mProfilerController->GrabShutdownProfileAndShutdown();
|
|
CrashReporter::RecordAnnotationCString(
|
|
CrashReporter::Annotation::ProfilerChildShutdownPhase,
|
|
isProfiling ? "Profiling - Destroying ChildProfilerController"
|
|
: "Not profiling - Destroying ChildProfilerController");
|
|
mProfilerController = nullptr;
|
|
CrashReporter::RecordAnnotationCString(
|
|
CrashReporter::Annotation::ProfilerChildShutdownPhase,
|
|
isProfiling ? "Profiling - SendShutdownProfile (sending)"
|
|
: "Not profiling - SendShutdownProfile (sending)");
|
|
if (const size_t len = shutdownProfileAndAdditionalInformation.SizeOf();
|
|
len >= size_t(IPC::Channel::kMaximumMessageSize)) {
|
|
shutdownProfileAndAdditionalInformation.mProfile = nsPrintfCString(
|
|
"*Profile from pid %u bigger (%zu) than IPC max (%zu)",
|
|
unsigned(profiler_current_process_id().ToNumber()), len,
|
|
size_t(IPC::Channel::kMaximumMessageSize));
|
|
}
|
|
// Send the shutdown profile to the parent process through our own
|
|
// message channel, which we know will survive for long enough.
|
|
bool sent =
|
|
SendShutdownProfile(shutdownProfileAndAdditionalInformation.mProfile);
|
|
CrashReporter::RecordAnnotationCString(
|
|
CrashReporter::Annotation::ProfilerChildShutdownPhase,
|
|
sent ? (isProfiling ? "Profiling - SendShutdownProfile (sent)"
|
|
: "Not profiling - SendShutdownProfile (sent)")
|
|
: (isProfiling ? "Profiling - SendShutdownProfile (failed)"
|
|
: "Not profiling - SendShutdownProfile (failed)"));
|
|
}
|
|
|
|
if (PerfStats::GetCollectionMask() != 0) {
|
|
SendShutdownPerfStats(PerfStats::CollectLocalPerfStatsJSON());
|
|
}
|
|
|
|
// Start a timer that will ensure we quickly exit after a reasonable period
|
|
// of time. Prevents shutdown hangs after our connection to the parent
|
|
// closes or when the parent is too busy to ever kill us.
|
|
ProcessChild::AppendToIPCShutdownStateAnnotation("StartForceKillTimer"_ns);
|
|
StartForceKillTimer();
|
|
|
|
ProcessChild::AppendToIPCShutdownStateAnnotation(
|
|
"SendFinishShutdown (sending)"_ns);
|
|
|
|
// Notify the parent that we are done with shutdown. This is sent with high
|
|
// priority and will just flag we are done.
|
|
Unused << SendNotifyShutdownSuccess();
|
|
|
|
// Now tell the parent to actually destroy our channel which will make end
|
|
// our process. This is expected to be the last event the parent will
|
|
// ever process for this ContentChild.
|
|
bool sent = SendFinishShutdown();
|
|
|
|
ProcessChild::AppendToIPCShutdownStateAnnotation(
|
|
sent ? "SendFinishShutdown (sent)"_ns : "SendFinishShutdown (failed)"_ns);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvUpdateWindow(
|
|
const uintptr_t& aChildId) {
|
|
MOZ_ASSERT(
|
|
false,
|
|
"ContentChild::RecvUpdateWindow calls unexpected on this platform.");
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
PContentPermissionRequestChild*
|
|
ContentChild::AllocPContentPermissionRequestChild(
|
|
Span<const PermissionRequest> aRequests, nsIPrincipal* aPrincipal,
|
|
nsIPrincipal* aTopLevelPrincipal, const bool& aIsHandlingUserInput,
|
|
const bool& aMaybeUnsafePermissionDelegate, const TabId& aTabId) {
|
|
MOZ_CRASH("unused");
|
|
return nullptr;
|
|
}
|
|
|
|
bool ContentChild::DeallocPContentPermissionRequestChild(
|
|
PContentPermissionRequestChild* actor) {
|
|
nsContentPermissionUtils::NotifyRemoveContentPermissionRequestChild(actor);
|
|
auto child = static_cast<RemotePermissionRequest*>(actor);
|
|
child->IPDLRelease();
|
|
return true;
|
|
}
|
|
|
|
already_AddRefed<PWebBrowserPersistDocumentChild>
|
|
ContentChild::AllocPWebBrowserPersistDocumentChild(
|
|
PBrowserChild* aBrowser, const MaybeDiscarded<BrowsingContext>& aContext) {
|
|
return MakeAndAddRef<WebBrowserPersistDocumentChild>();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvPWebBrowserPersistDocumentConstructor(
|
|
PWebBrowserPersistDocumentChild* aActor, PBrowserChild* aBrowser,
|
|
const MaybeDiscarded<BrowsingContext>& aContext) {
|
|
if (NS_WARN_IF(!aBrowser)) {
|
|
return IPC_FAIL_NO_REASON(this);
|
|
}
|
|
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
aActor->SendInitFailure(NS_ERROR_NO_CONTENT);
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<Document> foundDoc = aContext.get()->GetDocument();
|
|
|
|
if (!foundDoc) {
|
|
aActor->SendInitFailure(NS_ERROR_NO_CONTENT);
|
|
} else {
|
|
static_cast<WebBrowserPersistDocumentChild*>(aActor)->Start(foundDoc);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
static already_AddRefed<DataTransfer> ConvertToDataTransfer(
|
|
nsTArray<IPCTransferableData>&& aTransferables, EventMessage aMessage) {
|
|
// Check if we are receiving any file objects. If we are we will want
|
|
// to hide any of the other objects coming in from content.
|
|
bool hasFiles = false;
|
|
for (uint32_t i = 0; i < aTransferables.Length() && !hasFiles; ++i) {
|
|
auto& items = aTransferables[i].items();
|
|
for (uint32_t j = 0; j < items.Length() && !hasFiles; ++j) {
|
|
if (items[j].data().type() ==
|
|
IPCTransferableDataType::TIPCTransferableDataBlob) {
|
|
hasFiles = true;
|
|
}
|
|
}
|
|
}
|
|
// Add the entries from the IPC to the new DataTransfer
|
|
RefPtr<DataTransfer> dataTransfer =
|
|
new DataTransfer(nullptr, aMessage, false, -1);
|
|
for (uint32_t i = 0; i < aTransferables.Length(); ++i) {
|
|
auto& items = aTransferables[i].items();
|
|
for (uint32_t j = 0; j < items.Length(); ++j) {
|
|
const IPCTransferableDataItem& item = items[j];
|
|
RefPtr<nsVariantCC> variant = new nsVariantCC();
|
|
nsresult rv =
|
|
nsContentUtils::IPCTransferableDataItemToVariant(item, variant);
|
|
if (NS_FAILED(rv)) {
|
|
continue;
|
|
}
|
|
|
|
// We should hide this data from content if we have a file, and we
|
|
// aren't a file.
|
|
bool hidden =
|
|
hasFiles && item.data().type() !=
|
|
IPCTransferableDataType::TIPCTransferableDataBlob;
|
|
dataTransfer->SetDataWithPrincipalFromOtherProcess(
|
|
NS_ConvertUTF8toUTF16(item.flavor()), variant, i,
|
|
nsContentUtils::GetSystemPrincipal(), hidden);
|
|
}
|
|
}
|
|
return dataTransfer.forget();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvInvokeDragSession(
|
|
const MaybeDiscarded<WindowContext>& aSourceWindowContext,
|
|
const MaybeDiscarded<WindowContext>& aSourceTopWindowContext,
|
|
nsTArray<IPCTransferableData>&& aTransferables, const uint32_t& aAction) {
|
|
if (nsCOMPtr<nsIDragService> dragService =
|
|
do_GetService("@mozilla.org/widget/dragservice;1")) {
|
|
dragService->StartDragSession();
|
|
nsCOMPtr<nsIDragSession> session;
|
|
dragService->GetCurrentSession(getter_AddRefs(session));
|
|
if (session) {
|
|
session->SetSourceWindowContext(aSourceWindowContext.GetMaybeDiscarded());
|
|
session->SetSourceTopWindowContext(
|
|
aSourceTopWindowContext.GetMaybeDiscarded());
|
|
session->SetDragAction(aAction);
|
|
|
|
RefPtr<DataTransfer> dataTransfer =
|
|
ConvertToDataTransfer(std::move(aTransferables), eDragStart);
|
|
session->SetDataTransfer(dataTransfer);
|
|
}
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvUpdateDragSession(
|
|
nsTArray<IPCTransferableData>&& aTransferables,
|
|
EventMessage aEventMessage) {
|
|
if (nsCOMPtr<nsIDragService> dragService =
|
|
do_GetService("@mozilla.org/widget/dragservice;1")) {
|
|
nsCOMPtr<nsIDragSession> session;
|
|
dragService->GetCurrentSession(getter_AddRefs(session));
|
|
if (session) {
|
|
nsCOMPtr<DataTransfer> dataTransfer =
|
|
ConvertToDataTransfer(std::move(aTransferables), aEventMessage);
|
|
session->SetDataTransfer(dataTransfer);
|
|
}
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvEndDragSession(
|
|
const bool& aDoneDrag, const bool& aUserCancelled,
|
|
const LayoutDeviceIntPoint& aDragEndPoint, const uint32_t& aKeyModifiers,
|
|
const uint32_t& aDropEffect) {
|
|
nsCOMPtr<nsIDragService> dragService =
|
|
do_GetService("@mozilla.org/widget/dragservice;1");
|
|
if (dragService) {
|
|
nsCOMPtr<nsIDragSession> dragSession = nsContentUtils::GetDragSession();
|
|
if (dragSession) {
|
|
if (aUserCancelled) {
|
|
dragSession->UserCancelled();
|
|
}
|
|
|
|
RefPtr<DataTransfer> dataTransfer = dragSession->GetDataTransfer();
|
|
if (dataTransfer) {
|
|
dataTransfer->SetDropEffectInt(aDropEffect);
|
|
}
|
|
}
|
|
|
|
static_cast<nsBaseDragService*>(dragService.get())
|
|
->SetDragEndPoint(aDragEndPoint);
|
|
dragService->EndDragSession(aDoneDrag, aKeyModifiers);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvPush(const nsCString& aScope,
|
|
nsIPrincipal* aPrincipal,
|
|
const nsString& aMessageId) {
|
|
PushMessageDispatcher dispatcher(aScope, aPrincipal, aMessageId, Nothing());
|
|
Unused << NS_WARN_IF(NS_FAILED(dispatcher.NotifyObserversAndWorkers()));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvPushWithData(
|
|
const nsCString& aScope, nsIPrincipal* aPrincipal,
|
|
const nsString& aMessageId, nsTArray<uint8_t>&& aData) {
|
|
PushMessageDispatcher dispatcher(aScope, aPrincipal, aMessageId,
|
|
Some(std::move(aData)));
|
|
Unused << NS_WARN_IF(NS_FAILED(dispatcher.NotifyObserversAndWorkers()));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvPushSubscriptionChange(
|
|
const nsCString& aScope, nsIPrincipal* aPrincipal) {
|
|
PushSubscriptionChangeDispatcher dispatcher(aScope, aPrincipal);
|
|
Unused << NS_WARN_IF(NS_FAILED(dispatcher.NotifyObserversAndWorkers()));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvPushError(const nsCString& aScope,
|
|
nsIPrincipal* aPrincipal,
|
|
const nsString& aMessage,
|
|
const uint32_t& aFlags) {
|
|
PushErrorDispatcher dispatcher(aScope, aPrincipal, aMessage, aFlags);
|
|
Unused << NS_WARN_IF(NS_FAILED(dispatcher.NotifyObserversAndWorkers()));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
ContentChild::RecvNotifyPushSubscriptionModifiedObservers(
|
|
const nsCString& aScope, nsIPrincipal* aPrincipal) {
|
|
PushSubscriptionModifiedDispatcher dispatcher(aScope, aPrincipal);
|
|
Unused << NS_WARN_IF(NS_FAILED(dispatcher.NotifyObservers()));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvBlobURLRegistration(
|
|
const nsCString& aURI, const IPCBlob& aBlob, nsIPrincipal* aPrincipal,
|
|
const nsCString& aPartitionKey) {
|
|
RefPtr<BlobImpl> blobImpl = IPCBlobUtils::Deserialize(aBlob);
|
|
MOZ_ASSERT(blobImpl);
|
|
|
|
BlobURLProtocolHandler::AddDataEntry(aURI, aPrincipal, aPartitionKey,
|
|
blobImpl);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvBlobURLUnregistration(
|
|
const nsCString& aURI) {
|
|
BlobURLProtocolHandler::RemoveDataEntry(
|
|
aURI,
|
|
/* aBroadcastToOtherProcesses = */ false);
|
|
return IPC_OK();
|
|
}
|
|
|
|
void ContentChild::CreateGetFilesRequest(const nsAString& aDirectoryPath,
|
|
bool aRecursiveFlag, nsID& aUUID,
|
|
GetFilesHelperChild* aChild) {
|
|
MOZ_ASSERT(aChild);
|
|
MOZ_ASSERT(!mGetFilesPendingRequests.Contains(aUUID));
|
|
|
|
Unused << SendGetFilesRequest(aUUID, aDirectoryPath, aRecursiveFlag);
|
|
mGetFilesPendingRequests.InsertOrUpdate(aUUID, RefPtr{aChild});
|
|
}
|
|
|
|
void ContentChild::DeleteGetFilesRequest(nsID& aUUID,
|
|
GetFilesHelperChild* aChild) {
|
|
MOZ_ASSERT(aChild);
|
|
MOZ_ASSERT(mGetFilesPendingRequests.Contains(aUUID));
|
|
|
|
Unused << SendDeleteGetFilesRequest(aUUID);
|
|
mGetFilesPendingRequests.Remove(aUUID);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvGetFilesResponse(
|
|
const nsID& aUUID, const GetFilesResponseResult& aResult) {
|
|
RefPtr<GetFilesHelperChild> child;
|
|
|
|
// This object can already been deleted in case DeleteGetFilesRequest has
|
|
// been called when the response was sending by the parent.
|
|
if (!mGetFilesPendingRequests.Remove(aUUID, getter_AddRefs(child))) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
if (aResult.type() == GetFilesResponseResult::TGetFilesResponseFailure) {
|
|
child->Finished(aResult.get_GetFilesResponseFailure().errorCode());
|
|
} else {
|
|
MOZ_ASSERT(aResult.type() ==
|
|
GetFilesResponseResult::TGetFilesResponseSuccess);
|
|
|
|
const nsTArray<IPCBlob>& ipcBlobs =
|
|
aResult.get_GetFilesResponseSuccess().blobs();
|
|
|
|
bool succeeded = true;
|
|
for (uint32_t i = 0; succeeded && i < ipcBlobs.Length(); ++i) {
|
|
RefPtr<BlobImpl> impl = IPCBlobUtils::Deserialize(ipcBlobs[i]);
|
|
succeeded = child->AppendBlobImpl(impl);
|
|
}
|
|
|
|
child->Finished(succeeded ? NS_OK : NS_ERROR_OUT_OF_MEMORY);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
/* static */
|
|
void ContentChild::FatalErrorIfNotUsingGPUProcess(const char* const aErrorMsg,
|
|
base::ProcessId aOtherPid) {
|
|
// If we're communicating with the same process or the UI process then we
|
|
// want to crash normally. Otherwise we want to just warn as the other end
|
|
// must be the GPU process and it crashing shouldn't be fatal for us.
|
|
if (aOtherPid == base::GetCurrentProcId() ||
|
|
(GetSingleton() && GetSingleton()->OtherPid() == aOtherPid)) {
|
|
mozilla::ipc::FatalError(aErrorMsg, false);
|
|
} else {
|
|
nsAutoCString formattedMessage("IPDL error: \"");
|
|
formattedMessage.AppendASCII(aErrorMsg);
|
|
formattedMessage.AppendLiteral(R"(".)");
|
|
NS_WARNING(formattedMessage.get());
|
|
}
|
|
}
|
|
|
|
PURLClassifierChild* ContentChild::AllocPURLClassifierChild(
|
|
nsIPrincipal* aPrincipal, bool* aSuccess) {
|
|
*aSuccess = true;
|
|
return new URLClassifierChild();
|
|
}
|
|
|
|
bool ContentChild::DeallocPURLClassifierChild(PURLClassifierChild* aActor) {
|
|
MOZ_ASSERT(aActor);
|
|
delete aActor;
|
|
return true;
|
|
}
|
|
|
|
PURLClassifierLocalChild* ContentChild::AllocPURLClassifierLocalChild(
|
|
nsIURI* aUri, Span<const IPCURLClassifierFeature> aFeatures) {
|
|
return new URLClassifierLocalChild();
|
|
}
|
|
|
|
bool ContentChild::DeallocPURLClassifierLocalChild(
|
|
PURLClassifierLocalChild* aActor) {
|
|
MOZ_ASSERT(aActor);
|
|
delete aActor;
|
|
return true;
|
|
}
|
|
|
|
PSessionStorageObserverChild*
|
|
ContentChild::AllocPSessionStorageObserverChild() {
|
|
MOZ_CRASH(
|
|
"PSessionStorageObserverChild actors should be manually constructed!");
|
|
}
|
|
|
|
bool ContentChild::DeallocPSessionStorageObserverChild(
|
|
PSessionStorageObserverChild* aActor) {
|
|
MOZ_ASSERT(aActor);
|
|
|
|
delete aActor;
|
|
return true;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvProvideAnonymousTemporaryFile(
|
|
const uint64_t& aID, const FileDescOrError& aFDOrError) {
|
|
mozilla::UniquePtr<AnonymousTemporaryFileCallback> callback;
|
|
mPendingAnonymousTemporaryFiles.Remove(aID, &callback);
|
|
MOZ_ASSERT(callback);
|
|
|
|
PRFileDesc* prfile = nullptr;
|
|
if (aFDOrError.type() == FileDescOrError::Tnsresult) {
|
|
DebugOnly<nsresult> rv = aFDOrError.get_nsresult();
|
|
MOZ_ASSERT(NS_FAILED(rv));
|
|
} else {
|
|
auto rawFD = aFDOrError.get_FileDescriptor().ClonePlatformHandle();
|
|
prfile = PR_ImportFile(PROsfd(rawFD.release()));
|
|
}
|
|
(*callback)(prfile);
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsresult ContentChild::AsyncOpenAnonymousTemporaryFile(
|
|
const AnonymousTemporaryFileCallback& aCallback) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
static uint64_t id = 0;
|
|
auto newID = id++;
|
|
if (!SendRequestAnonymousTemporaryFile(newID)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// Remember the association with the callback.
|
|
MOZ_ASSERT(!mPendingAnonymousTemporaryFiles.Get(newID));
|
|
mPendingAnonymousTemporaryFiles.GetOrInsertNew(newID, aCallback);
|
|
return NS_OK;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvSetPermissionsWithKey(
|
|
const nsCString& aPermissionKey, nsTArray<IPC::Permission>&& aPerms) {
|
|
RefPtr<PermissionManager> permManager = PermissionManager::GetInstance();
|
|
if (permManager) {
|
|
permManager->SetPermissionsWithKey(aPermissionKey, aPerms);
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvRefreshScreens(
|
|
nsTArray<ScreenDetails>&& aScreens) {
|
|
ScreenManager& screenManager = ScreenManager::GetSingleton();
|
|
screenManager.Refresh(std::move(aScreens));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvShareCodeCoverageMutex(
|
|
CrossProcessMutexHandle aHandle) {
|
|
#ifdef MOZ_CODE_COVERAGE
|
|
CodeCoverageHandler::Init(std::move(aHandle));
|
|
return IPC_OK();
|
|
#else
|
|
MOZ_CRASH("Shouldn't receive this message in non-code coverage builds!");
|
|
#endif
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvFlushCodeCoverageCounters(
|
|
FlushCodeCoverageCountersResolver&& aResolver) {
|
|
#ifdef MOZ_CODE_COVERAGE
|
|
CodeCoverageHandler::FlushCounters();
|
|
aResolver(/* unused */ true);
|
|
return IPC_OK();
|
|
#else
|
|
MOZ_CRASH("Shouldn't receive this message in non-code coverage builds!");
|
|
#endif
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvSetInputEventQueueEnabled() {
|
|
nsThreadManager::get().EnableMainThreadEventPrioritization();
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvFlushInputEventQueue() {
|
|
nsThreadManager::get().FlushInputEventPrioritization();
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvSuspendInputEventQueue() {
|
|
nsThreadManager::get().SuspendInputEventPrioritization();
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvResumeInputEventQueue() {
|
|
nsThreadManager::get().ResumeInputEventPrioritization();
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvAddDynamicScalars(
|
|
nsTArray<DynamicScalarDefinition>&& aDefs) {
|
|
TelemetryIPC::AddDynamicScalarDefinitions(aDefs);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvCrossProcessRedirect(
|
|
RedirectToRealChannelArgs&& aArgs,
|
|
nsTArray<Endpoint<extensions::PStreamFilterParent>>&& aEndpoints,
|
|
CrossProcessRedirectResolver&& aResolve) {
|
|
nsCOMPtr<nsILoadInfo> loadInfo;
|
|
nsresult rv = mozilla::ipc::LoadInfoArgsToLoadInfo(
|
|
aArgs.loadInfo(), NOT_REMOTE_TYPE, getter_AddRefs(loadInfo));
|
|
if (NS_FAILED(rv)) {
|
|
MOZ_DIAGNOSTIC_ASSERT(false, "LoadInfoArgsToLoadInfo failed");
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsIChannel> newChannel;
|
|
MOZ_ASSERT((aArgs.loadStateInternalLoadFlags() &
|
|
nsDocShell::InternalLoad::INTERNAL_LOAD_FLAGS_IS_SRCDOC) ||
|
|
aArgs.srcdocData().IsVoid());
|
|
rv = nsDocShell::CreateRealChannelForDocument(
|
|
getter_AddRefs(newChannel), aArgs.uri(), loadInfo, nullptr,
|
|
aArgs.newLoadFlags(), aArgs.srcdocData(), aArgs.baseUri());
|
|
|
|
if (RefPtr<HttpBaseChannel> httpChannel = do_QueryObject(newChannel)) {
|
|
httpChannel->SetEarlyHints(std::move(aArgs.earlyHints()));
|
|
httpChannel->SetEarlyHintLinkType(aArgs.earlyHintLinkType());
|
|
}
|
|
|
|
// This is used to report any errors back to the parent by calling
|
|
// CrossProcessRedirectFinished.
|
|
RefPtr<HttpChannelChild> httpChild = do_QueryObject(newChannel);
|
|
auto resolve = [=](const nsresult& aRv) {
|
|
nsresult rv = aRv;
|
|
if (httpChild) {
|
|
rv = httpChild->CrossProcessRedirectFinished(rv);
|
|
}
|
|
aResolve(rv);
|
|
};
|
|
auto scopeExit = MakeScopeExit([&]() { resolve(rv); });
|
|
|
|
if (NS_FAILED(rv)) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
if (nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(newChannel)) {
|
|
rv = httpChannel->SetChannelId(aArgs.channelId());
|
|
}
|
|
if (NS_FAILED(rv)) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
rv = newChannel->SetOriginalURI(aArgs.originalURI());
|
|
if (NS_FAILED(rv)) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
if (nsCOMPtr<nsIHttpChannelInternal> httpChannelInternal =
|
|
do_QueryInterface(newChannel)) {
|
|
rv = httpChannelInternal->SetRedirectMode(aArgs.redirectMode());
|
|
}
|
|
if (NS_FAILED(rv)) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
if (aArgs.init()) {
|
|
HttpBaseChannel::ReplacementChannelConfig config(std::move(*aArgs.init()));
|
|
HttpBaseChannel::ConfigureReplacementChannel(
|
|
newChannel, config,
|
|
HttpBaseChannel::ReplacementReason::DocumentChannel);
|
|
}
|
|
|
|
if (aArgs.contentDisposition()) {
|
|
newChannel->SetContentDisposition(*aArgs.contentDisposition());
|
|
}
|
|
|
|
if (aArgs.contentDispositionFilename()) {
|
|
newChannel->SetContentDispositionFilename(
|
|
*aArgs.contentDispositionFilename());
|
|
}
|
|
|
|
if (nsCOMPtr<nsIChildChannel> childChannel = do_QueryInterface(newChannel)) {
|
|
// Connect to the parent if this is a remote channel. If it's entirely
|
|
// handled locally, then we'll call AsyncOpen from the docshell when
|
|
// we complete the setup
|
|
rv = childChannel->ConnectParent(
|
|
aArgs.registrarId()); // creates parent channel
|
|
if (NS_FAILED(rv)) {
|
|
return IPC_OK();
|
|
}
|
|
}
|
|
|
|
// We need to copy the property bag before signaling that the channel
|
|
// is ready so that the nsDocShell can retrieve the history data when called.
|
|
if (nsCOMPtr<nsIWritablePropertyBag> bag = do_QueryInterface(newChannel)) {
|
|
nsHashPropertyBag::CopyFrom(bag, aArgs.properties());
|
|
}
|
|
|
|
RefPtr<nsDocShellLoadState> loadState;
|
|
rv = nsDocShellLoadState::CreateFromPendingChannel(
|
|
newChannel, aArgs.loadIdentifier(), aArgs.registrarId(),
|
|
getter_AddRefs(loadState));
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return IPC_OK();
|
|
}
|
|
loadState->SetLoadFlags(aArgs.loadStateExternalLoadFlags());
|
|
loadState->SetInternalLoadFlags(aArgs.loadStateInternalLoadFlags());
|
|
if (IsValidLoadType(aArgs.loadStateLoadType())) {
|
|
loadState->SetLoadType(aArgs.loadStateLoadType());
|
|
}
|
|
|
|
if (aArgs.loadingSessionHistoryInfo().isSome()) {
|
|
loadState->SetLoadingSessionHistoryInfo(
|
|
aArgs.loadingSessionHistoryInfo().ref());
|
|
}
|
|
if (aArgs.originalUriString().isSome()) {
|
|
loadState->SetOriginalURIString(aArgs.originalUriString().ref());
|
|
}
|
|
|
|
RefPtr<ChildProcessChannelListener> processListener =
|
|
ChildProcessChannelListener::GetSingleton();
|
|
// The listener will call completeRedirectSetup or asyncOpen on the channel.
|
|
processListener->OnChannelReady(loadState, aArgs.loadIdentifier(),
|
|
std::move(aEndpoints), aArgs.timing(),
|
|
std::move(resolve));
|
|
scopeExit.release();
|
|
|
|
// scopeExit will call CrossProcessRedirectFinished(rv) here
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvStartDelayedAutoplayMediaComponents(
|
|
const MaybeDiscarded<BrowsingContext>& aContext) {
|
|
if (NS_WARN_IF(aContext.IsNullOrDiscarded())) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
aContext.get()->StartDelayedAutoplayMediaComponents();
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvUpdateMediaControlAction(
|
|
const MaybeDiscarded<BrowsingContext>& aContext,
|
|
const MediaControlAction& aAction) {
|
|
if (NS_WARN_IF(aContext.IsNullOrDiscarded())) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
ContentMediaControlKeyHandler::HandleMediaControlAction(aContext.get(),
|
|
aAction);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvOnAllowAccessFor(
|
|
const MaybeDiscarded<BrowsingContext>& aContext,
|
|
const nsCString& aTrackingOrigin, uint32_t aCookieBehavior,
|
|
const ContentBlockingNotifier::StorageAccessPermissionGrantedReason&
|
|
aReason) {
|
|
MOZ_ASSERT(!aContext.IsNull(), "Browsing context cannot be null");
|
|
|
|
StorageAccessAPIHelper::OnAllowAccessFor(
|
|
aContext.GetMaybeDiscarded(), aTrackingOrigin, aCookieBehavior, aReason);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvOnContentBlockingDecision(
|
|
const MaybeDiscarded<BrowsingContext>& aContext,
|
|
const ContentBlockingNotifier::BlockingDecision& aDecision,
|
|
uint32_t aRejectedReason) {
|
|
MOZ_ASSERT(!aContext.IsNull(), "Browsing context cannot be null");
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> outer = aContext.get()->GetDOMWindow();
|
|
if (!outer) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to a context without a outer "
|
|
"window"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsPIDOMWindowInner> inner = outer->GetCurrentInnerWindow();
|
|
if (!inner) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to a context without a inner "
|
|
"window"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
ContentBlockingNotifier::OnDecision(inner, aDecision, aRejectedReason);
|
|
return IPC_OK();
|
|
}
|
|
|
|
#ifdef NIGHTLY_BUILD
|
|
void ContentChild::OnChannelReceivedMessage(const Message& aMsg) {
|
|
if (nsContentUtils::IsMessageInputEvent(aMsg)) {
|
|
mPendingInputEvents++;
|
|
}
|
|
}
|
|
|
|
PContentChild::Result ContentChild::OnMessageReceived(const Message& aMsg) {
|
|
if (nsContentUtils::IsMessageInputEvent(aMsg)) {
|
|
DebugOnly<uint32_t> prevEvts = mPendingInputEvents--;
|
|
MOZ_ASSERT(prevEvts > 0);
|
|
}
|
|
|
|
return PContentChild::OnMessageReceived(aMsg);
|
|
}
|
|
|
|
PContentChild::Result ContentChild::OnMessageReceived(
|
|
const Message& aMsg, UniquePtr<Message>& aReply) {
|
|
return PContentChild::OnMessageReceived(aMsg, aReply);
|
|
}
|
|
#endif
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvCreateBrowsingContext(
|
|
uint64_t aGroupId, BrowsingContext::IPCInitializer&& aInit) {
|
|
// We can't already have a BrowsingContext with this ID.
|
|
if (RefPtr<BrowsingContext> existing = BrowsingContext::Get(aInit.mId)) {
|
|
return IPC_FAIL(this, "Browsing context already exists");
|
|
}
|
|
|
|
RefPtr<WindowContext> parent = WindowContext::GetById(aInit.mParentId);
|
|
if (!parent && aInit.mParentId != 0) {
|
|
// Handle this case by ignoring the request, as parent must be in the
|
|
// process of being discarded.
|
|
// In the future it would be nice to avoid sending this message to the child
|
|
// at all.
|
|
NS_WARNING("Attempt to attach BrowsingContext to discarded parent");
|
|
return IPC_OK();
|
|
}
|
|
|
|
RefPtr<BrowsingContextGroup> group =
|
|
BrowsingContextGroup::GetOrCreate(aGroupId);
|
|
return BrowsingContext::CreateFromIPC(std::move(aInit), group, nullptr);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvDiscardBrowsingContext(
|
|
const MaybeDiscarded<BrowsingContext>& aContext, bool aDoDiscard,
|
|
DiscardBrowsingContextResolver&& aResolve) {
|
|
if (BrowsingContext* context = aContext.GetMaybeDiscarded()) {
|
|
if (aDoDiscard && !context->IsDiscarded()) {
|
|
context->Detach(/* aFromIPC */ true);
|
|
}
|
|
context->AddDiscardListener(aResolve);
|
|
return IPC_OK();
|
|
}
|
|
|
|
// Immediately resolve the promise, as we've received the message. This will
|
|
// allow the parent process to discard references to this BC.
|
|
aResolve(true);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvRegisterBrowsingContextGroup(
|
|
uint64_t aGroupId, nsTArray<SyncedContextInitializer>&& aInits) {
|
|
RefPtr<BrowsingContextGroup> group =
|
|
BrowsingContextGroup::GetOrCreate(aGroupId);
|
|
|
|
// Each of the initializers in aInits is sorted in pre-order, so our parent
|
|
// should always be available before the element itself.
|
|
for (auto& initUnion : aInits) {
|
|
switch (initUnion.type()) {
|
|
case SyncedContextInitializer::TBrowsingContextInitializer: {
|
|
auto& init = initUnion.get_BrowsingContextInitializer();
|
|
#ifdef DEBUG
|
|
RefPtr<BrowsingContext> existing = BrowsingContext::Get(init.mId);
|
|
MOZ_ASSERT(!existing, "BrowsingContext must not exist yet!");
|
|
|
|
RefPtr<WindowContext> parent = init.GetParent();
|
|
MOZ_ASSERT_IF(parent, parent->Group() == group);
|
|
#endif
|
|
|
|
BrowsingContext::CreateFromIPC(std::move(init), group, nullptr);
|
|
break;
|
|
}
|
|
case SyncedContextInitializer::TWindowContextInitializer: {
|
|
auto& init = initUnion.get_WindowContextInitializer();
|
|
#ifdef DEBUG
|
|
RefPtr<WindowContext> existing =
|
|
WindowContext::GetById(init.mInnerWindowId);
|
|
MOZ_ASSERT(!existing, "WindowContext must not exist yet!");
|
|
RefPtr<BrowsingContext> parent =
|
|
BrowsingContext::Get(init.mBrowsingContextId);
|
|
MOZ_ASSERT(parent && parent->Group() == group);
|
|
#endif
|
|
|
|
WindowContext::CreateFromIPC(std::move(init));
|
|
break;
|
|
};
|
|
default:
|
|
MOZ_ASSERT_UNREACHABLE();
|
|
}
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvDestroyBrowsingContextGroup(
|
|
uint64_t aGroupId) {
|
|
if (RefPtr<BrowsingContextGroup> group =
|
|
BrowsingContextGroup::GetExisting(aGroupId)) {
|
|
group->ChildDestroy();
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvWindowClose(
|
|
const MaybeDiscarded<BrowsingContext>& aContext, bool aTrustedCaller) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to dead or detached context"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> window = aContext.get()->GetDOMWindow();
|
|
if (!window) {
|
|
MOZ_LOG(
|
|
BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to a context without a window"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
// Call `GetDocument()` to force the document and its inner window to be
|
|
// created, as it would be forced to be created if this call was being
|
|
// performed in-process.
|
|
if (NS_WARN_IF(!aContext.get()->GetDocument())) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to a context but document "
|
|
"creation failed"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsGlobalWindowOuter::Cast(window)->CloseOuter(aTrustedCaller);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvWindowFocus(
|
|
const MaybeDiscarded<BrowsingContext>& aContext, CallerType aCallerType,
|
|
uint64_t aActionId) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to dead or detached context"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> window = aContext.get()->GetDOMWindow();
|
|
if (!window) {
|
|
MOZ_LOG(
|
|
BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to a context without a window"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
// Call `GetDocument()` to force the document and its inner window to be
|
|
// created, as it would be forced to be created if this call was being
|
|
// performed in-process.
|
|
if (NS_WARN_IF(!aContext.get()->GetDocument())) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to a context but document "
|
|
"creation failed"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsGlobalWindowOuter::Cast(window)->FocusOuter(
|
|
aCallerType, /* aFromOtherProcess */ true, aActionId);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvWindowBlur(
|
|
const MaybeDiscarded<BrowsingContext>& aContext, CallerType aCallerType) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to dead or detached context"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> window = aContext.get()->GetDOMWindow();
|
|
if (!window) {
|
|
MOZ_LOG(
|
|
BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to a context without a window"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
// Call `GetDocument()` to force the document and its inner window to be
|
|
// created, as it would be forced to be created if this call was being
|
|
// performed in-process.
|
|
if (NS_WARN_IF(!aContext.get()->GetDocument())) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to a context but document "
|
|
"creation failed"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsGlobalWindowOuter::Cast(window)->BlurOuter(aCallerType);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvRaiseWindow(
|
|
const MaybeDiscarded<BrowsingContext>& aContext, CallerType aCallerType,
|
|
uint64_t aActionId) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to dead or detached context"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> window = aContext.get()->GetDOMWindow();
|
|
if (!window) {
|
|
MOZ_LOG(
|
|
BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to a context without a window"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
if (RefPtr<nsFocusManager> fm = nsFocusManager::GetFocusManager()) {
|
|
fm->RaiseWindow(window, aCallerType, aActionId);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvAdjustWindowFocus(
|
|
const MaybeDiscarded<BrowsingContext>& aContext, bool aIsVisible,
|
|
uint64_t aActionId) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to dead or detached context"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
if (RefPtr<nsFocusManager> fm = nsFocusManager::GetFocusManager()) {
|
|
RefPtr<BrowsingContext> bc = aContext.get();
|
|
fm->AdjustInProcessWindowFocus(bc, false, aIsVisible, aActionId);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvClearFocus(
|
|
const MaybeDiscarded<BrowsingContext>& aContext) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to dead or detached context"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> window = aContext.get()->GetDOMWindow();
|
|
if (!window) {
|
|
MOZ_LOG(
|
|
BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to a context without a window"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
if (RefPtr<nsFocusManager> fm = nsFocusManager::GetFocusManager()) {
|
|
fm->ClearFocus(window);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvSetFocusedBrowsingContext(
|
|
const MaybeDiscarded<BrowsingContext>& aContext, uint64_t aActionId) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to dead or detached context"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsFocusManager* fm = nsFocusManager::GetFocusManager();
|
|
if (fm) {
|
|
fm->SetFocusedBrowsingContextFromOtherProcess(aContext.get(), aActionId);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvSetActiveBrowsingContext(
|
|
const MaybeDiscarded<BrowsingContext>& aContext, uint64_t aActionId) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to dead or detached context"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsFocusManager* fm = nsFocusManager::GetFocusManager();
|
|
if (fm) {
|
|
fm->SetActiveBrowsingContextFromOtherProcess(aContext.get(), aActionId);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvAbortOrientationPendingPromises(
|
|
const MaybeDiscarded<BrowsingContext>& aContext) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to dead or detached context"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
dom::ScreenOrientation::AbortInProcessOrientationPromises(aContext.get());
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvUnsetActiveBrowsingContext(
|
|
const MaybeDiscarded<BrowsingContext>& aContext, uint64_t aActionId) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to dead or detached context"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsFocusManager* fm = nsFocusManager::GetFocusManager();
|
|
if (fm) {
|
|
fm->UnsetActiveBrowsingContextFromOtherProcess(aContext.get(), aActionId);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvSetFocusedElement(
|
|
const MaybeDiscarded<BrowsingContext>& aContext, bool aNeedsFocus) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to dead or detached context"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> window = aContext.get()->GetDOMWindow();
|
|
if (!window) {
|
|
MOZ_LOG(
|
|
BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to a context without a window"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
window->SetFocusedElement(nullptr, 0, aNeedsFocus);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvFinalizeFocusOuter(
|
|
const MaybeDiscarded<BrowsingContext>& aContext, bool aCanFocus,
|
|
CallerType aCallerType) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to dead or detached context"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
if (Element* frame = aContext.get()->GetEmbedderElement()) {
|
|
nsContentUtils::RequestFrameFocus(*frame, aCanFocus, aCallerType);
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvBlurToChild(
|
|
const MaybeDiscarded<BrowsingContext>& aFocusedBrowsingContext,
|
|
const MaybeDiscarded<BrowsingContext>& aBrowsingContextToClear,
|
|
const MaybeDiscarded<BrowsingContext>& aAncestorBrowsingContextToFocus,
|
|
bool aIsLeavingDocument, bool aAdjustWidget, uint64_t aActionId) {
|
|
if (aFocusedBrowsingContext.IsNullOrDiscarded()) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to dead or detached context"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
RefPtr<nsFocusManager> fm = nsFocusManager::GetFocusManager();
|
|
if (MOZ_UNLIKELY(!fm)) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
RefPtr<BrowsingContext> toClear = aBrowsingContextToClear.IsDiscarded()
|
|
? nullptr
|
|
: aBrowsingContextToClear.get();
|
|
RefPtr<BrowsingContext> toFocus =
|
|
aAncestorBrowsingContextToFocus.IsDiscarded()
|
|
? nullptr
|
|
: aAncestorBrowsingContextToFocus.get();
|
|
|
|
RefPtr<BrowsingContext> focusedBrowsingContext =
|
|
aFocusedBrowsingContext.get();
|
|
|
|
fm->BlurFromOtherProcess(focusedBrowsingContext, toClear, toFocus,
|
|
aIsLeavingDocument, aAdjustWidget, aActionId);
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvSetupFocusedAndActive(
|
|
const MaybeDiscarded<BrowsingContext>& aFocusedBrowsingContext,
|
|
uint64_t aActionIdForFocused,
|
|
const MaybeDiscarded<BrowsingContext>& aActiveBrowsingContext,
|
|
uint64_t aActionIdForActive) {
|
|
nsFocusManager* fm = nsFocusManager::GetFocusManager();
|
|
if (fm) {
|
|
if (!aActiveBrowsingContext.IsNullOrDiscarded()) {
|
|
fm->SetActiveBrowsingContextFromOtherProcess(aActiveBrowsingContext.get(),
|
|
aActionIdForActive);
|
|
}
|
|
if (!aFocusedBrowsingContext.IsNullOrDiscarded()) {
|
|
fm->SetFocusedBrowsingContextFromOtherProcess(
|
|
aFocusedBrowsingContext.get(), aActionIdForFocused);
|
|
}
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvReviseActiveBrowsingContext(
|
|
uint64_t aOldActionId,
|
|
const MaybeDiscarded<BrowsingContext>& aActiveBrowsingContext,
|
|
uint64_t aNewActionId) {
|
|
nsFocusManager* fm = nsFocusManager::GetFocusManager();
|
|
if (fm && !aActiveBrowsingContext.IsNullOrDiscarded()) {
|
|
fm->ReviseActiveBrowsingContext(aOldActionId, aActiveBrowsingContext.get(),
|
|
aNewActionId);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvReviseFocusedBrowsingContext(
|
|
uint64_t aOldActionId,
|
|
const MaybeDiscarded<BrowsingContext>& aFocusedBrowsingContext,
|
|
uint64_t aNewActionId) {
|
|
nsFocusManager* fm = nsFocusManager::GetFocusManager();
|
|
if (fm && !aFocusedBrowsingContext.IsNullOrDiscarded()) {
|
|
fm->ReviseFocusedBrowsingContext(
|
|
aOldActionId, aFocusedBrowsingContext.get(), aNewActionId);
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvMaybeExitFullscreen(
|
|
const MaybeDiscarded<BrowsingContext>& aContext) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to dead or detached context"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsIDocShell* shell = aContext.get()->GetDocShell();
|
|
if (!shell) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
Document* doc = shell->GetDocument();
|
|
if (doc && doc->GetFullscreenElement()) {
|
|
Document::AsyncExitFullscreen(doc);
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvWindowPostMessage(
|
|
const MaybeDiscarded<BrowsingContext>& aContext,
|
|
const ClonedOrErrorMessageData& aMessage, const PostMessageData& aData) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to dead or detached context"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
RefPtr<nsGlobalWindowOuter> window =
|
|
nsGlobalWindowOuter::Cast(aContext.get()->GetDOMWindow());
|
|
if (!window) {
|
|
MOZ_LOG(
|
|
BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to a context without a window"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
nsCOMPtr<nsIPrincipal> providedPrincipal;
|
|
if (!window->GetPrincipalForPostMessage(
|
|
aData.targetOrigin(), aData.targetOriginURI(),
|
|
aData.callerPrincipal(), *aData.subjectPrincipal(),
|
|
getter_AddRefs(providedPrincipal))) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
// Call `GetDocument()` to force the document and its inner window to be
|
|
// created, as it would be forced to be created if this call was being
|
|
// performed in-process.
|
|
if (NS_WARN_IF(!aContext.get()->GetDocument())) {
|
|
MOZ_LOG(BrowsingContext::GetLog(), LogLevel::Debug,
|
|
("ChildIPC: Trying to send a message to a context but document "
|
|
"creation failed"));
|
|
return IPC_OK();
|
|
}
|
|
|
|
// It's OK if `sourceBc` has already been discarded, so long as we can
|
|
// continue to wrap it.
|
|
RefPtr<BrowsingContext> sourceBc = aData.source().GetMaybeDiscarded();
|
|
|
|
// Create and asynchronously dispatch a runnable which will handle actual DOM
|
|
// event creation and dispatch.
|
|
RefPtr<PostMessageEvent> event =
|
|
new PostMessageEvent(sourceBc, aData.origin(), window, providedPrincipal,
|
|
aData.innerWindowId(), aData.callerURI(),
|
|
aData.scriptLocation(), aData.isFromPrivateWindow());
|
|
event->UnpackFrom(aMessage);
|
|
|
|
event->DispatchToTargetThread(IgnoredErrorResult());
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvCommitBrowsingContextTransaction(
|
|
const MaybeDiscarded<BrowsingContext>& aContext,
|
|
BrowsingContext::BaseTransaction&& aTransaction, uint64_t aEpoch) {
|
|
return aTransaction.CommitFromIPC(aContext, aEpoch, this);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvCommitWindowContextTransaction(
|
|
const MaybeDiscarded<WindowContext>& aContext,
|
|
WindowContext::BaseTransaction&& aTransaction, uint64_t aEpoch) {
|
|
return aTransaction.CommitFromIPC(aContext, aEpoch, this);
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvCreateWindowContext(
|
|
WindowContext::IPCInitializer&& aInit) {
|
|
RefPtr<BrowsingContext> bc = BrowsingContext::Get(aInit.mBrowsingContextId);
|
|
if (!bc) {
|
|
// Handle this case by ignoring the request, as bc must be in the process of
|
|
// being discarded.
|
|
// In the future it would be nice to avoid sending this message to the child
|
|
// at all.
|
|
NS_WARNING("Attempt to attach WindowContext to discarded parent");
|
|
return IPC_OK();
|
|
}
|
|
|
|
WindowContext::CreateFromIPC(std::move(aInit));
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvDiscardWindowContext(
|
|
uint64_t aContextId, DiscardWindowContextResolver&& aResolve) {
|
|
// Resolve immediately to acknowledge call
|
|
aResolve(true);
|
|
|
|
RefPtr<WindowContext> window = WindowContext::GetById(aContextId);
|
|
if (NS_WARN_IF(!window) || NS_WARN_IF(window->IsDiscarded())) {
|
|
return IPC_OK();
|
|
}
|
|
|
|
window->Discard();
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvScriptError(
|
|
const nsString& aMessage, const nsString& aSourceName,
|
|
const nsString& aSourceLine, const uint32_t& aLineNumber,
|
|
const uint32_t& aColNumber, const uint32_t& aFlags,
|
|
const nsCString& aCategory, const bool& aFromPrivateWindow,
|
|
const uint64_t& aInnerWindowId, const bool& aFromChromeContext) {
|
|
nsresult rv = NS_OK;
|
|
nsCOMPtr<nsIConsoleService> consoleService =
|
|
do_GetService(NS_CONSOLESERVICE_CONTRACTID, &rv);
|
|
NS_ENSURE_SUCCESS(rv, IPC_FAIL(this, "Failed to get console service"));
|
|
|
|
nsCOMPtr<nsIScriptError> scriptError(
|
|
do_CreateInstance(NS_SCRIPTERROR_CONTRACTID));
|
|
NS_ENSURE_TRUE(scriptError,
|
|
IPC_FAIL(this, "Failed to construct nsIScriptError"));
|
|
|
|
scriptError->InitWithWindowID(aMessage, aSourceName, aSourceLine, aLineNumber,
|
|
aColNumber, aFlags, aCategory, aInnerWindowId,
|
|
aFromChromeContext);
|
|
rv = consoleService->LogMessage(scriptError);
|
|
NS_ENSURE_SUCCESS(rv, IPC_FAIL(this, "Failed to log script error"));
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvReportFrameTimingData(
|
|
const LoadInfoArgs& loadInfoArgs, const nsString& entryName,
|
|
const nsString& initiatorType, UniquePtr<PerformanceTimingData>&& aData) {
|
|
if (!aData) {
|
|
return IPC_FAIL(this, "aData should not be null");
|
|
}
|
|
|
|
nsCOMPtr<nsILoadInfo> loadInfo;
|
|
nsresult rv = mozilla::ipc::LoadInfoArgsToLoadInfo(
|
|
loadInfoArgs, NOT_REMOTE_TYPE, getter_AddRefs(loadInfo));
|
|
if (NS_FAILED(rv)) {
|
|
MOZ_DIAGNOSTIC_ASSERT(false, "LoadInfoArgsToLoadInfo failed");
|
|
return IPC_OK();
|
|
}
|
|
|
|
// It is important to call LoadInfo::GetPerformanceStorage instead of simply
|
|
// getting the performance object via the innerWindowID in order to perform
|
|
// necessary cross origin checks.
|
|
if (PerformanceStorage* storage = loadInfo->GetPerformanceStorage()) {
|
|
storage->AddEntry(entryName, initiatorType, std::move(aData));
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvLoadURI(
|
|
const MaybeDiscarded<BrowsingContext>& aContext,
|
|
nsDocShellLoadState* aLoadState, bool aSetNavigating,
|
|
LoadURIResolver&& aResolve) {
|
|
auto resolveOnExit = MakeScopeExit([&] { aResolve(true); });
|
|
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
return IPC_OK();
|
|
}
|
|
RefPtr<BrowsingContext> context = aContext.get();
|
|
if (!context->IsInProcess()) {
|
|
// The DocShell has been torn down or the BrowsingContext has changed
|
|
// process in the middle of the load request. There's not much we can do at
|
|
// this point, so just give up.
|
|
return IPC_OK();
|
|
}
|
|
|
|
context->LoadURI(aLoadState, aSetNavigating);
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> window = context->GetDOMWindow();
|
|
BrowserChild* bc = BrowserChild::GetFrom(window);
|
|
if (bc) {
|
|
bc->NotifyNavigationFinished();
|
|
}
|
|
|
|
#ifdef MOZ_CRASHREPORTER
|
|
if (CrashReporter::GetEnabled()) {
|
|
nsCOMPtr<nsIURI> annotationURI;
|
|
|
|
nsresult rv = NS_MutateURI(aLoadState->URI())
|
|
.SetUserPass(""_ns)
|
|
.Finalize(annotationURI);
|
|
|
|
if (NS_FAILED(rv)) {
|
|
// Ignore failures on about: URIs.
|
|
annotationURI = aLoadState->URI();
|
|
}
|
|
|
|
CrashReporter::RecordAnnotationNSCString(CrashReporter::Annotation::URL,
|
|
annotationURI->GetSpecOrDefault());
|
|
}
|
|
#endif
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvInternalLoad(
|
|
nsDocShellLoadState* aLoadState) {
|
|
if (!aLoadState->Target().IsEmpty() ||
|
|
aLoadState->TargetBrowsingContext().IsNull()) {
|
|
return IPC_FAIL(this, "must already be retargeted");
|
|
}
|
|
if (aLoadState->TargetBrowsingContext().IsDiscarded()) {
|
|
return IPC_OK();
|
|
}
|
|
RefPtr<BrowsingContext> context = aLoadState->TargetBrowsingContext().get();
|
|
|
|
context->InternalLoad(aLoadState);
|
|
|
|
#ifdef MOZ_CRASHREPORTER
|
|
if (CrashReporter::GetEnabled()) {
|
|
nsCOMPtr<nsIURI> annotationURI;
|
|
|
|
nsresult rv = NS_MutateURI(aLoadState->URI())
|
|
.SetUserPass(""_ns)
|
|
.Finalize(annotationURI);
|
|
|
|
if (NS_FAILED(rv)) {
|
|
// Ignore failures on about: URIs.
|
|
annotationURI = aLoadState->URI();
|
|
}
|
|
|
|
CrashReporter::RecordAnnotationNSCString(CrashReporter::Annotation::URL,
|
|
annotationURI->GetSpecOrDefault());
|
|
}
|
|
#endif
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvDisplayLoadError(
|
|
const MaybeDiscarded<BrowsingContext>& aContext, const nsAString& aURI) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
return IPC_OK();
|
|
}
|
|
RefPtr<BrowsingContext> context = aContext.get();
|
|
|
|
context->DisplayLoadError(aURI);
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> window = context->GetDOMWindow();
|
|
BrowserChild* bc = BrowserChild::GetFrom(window);
|
|
if (bc) {
|
|
bc->NotifyNavigationFinished();
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvHistoryCommitIndexAndLength(
|
|
const MaybeDiscarded<BrowsingContext>& aContext, const uint32_t& aIndex,
|
|
const uint32_t& aLength, const nsID& aChangeID) {
|
|
if (!aContext.IsNullOrDiscarded()) {
|
|
ChildSHistory* shistory = aContext.get()->GetChildSessionHistory();
|
|
if (shistory) {
|
|
shistory->SetIndexAndLength(aIndex, aLength, aChangeID);
|
|
}
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvGetLayoutHistoryState(
|
|
const MaybeDiscarded<BrowsingContext>& aContext,
|
|
GetLayoutHistoryStateResolver&& aResolver) {
|
|
nsCOMPtr<nsILayoutHistoryState> state;
|
|
nsIDocShell* docShell;
|
|
mozilla::Maybe<mozilla::dom::Wireframe> wireframe;
|
|
if (!aContext.IsNullOrDiscarded() &&
|
|
(docShell = aContext.get()->GetDocShell())) {
|
|
docShell->PersistLayoutHistoryState();
|
|
docShell->GetLayoutHistoryState(getter_AddRefs(state));
|
|
wireframe = static_cast<nsDocShell*>(docShell)->GetWireframe();
|
|
}
|
|
aResolver(
|
|
std::tuple<nsILayoutHistoryState*, const mozilla::Maybe<Wireframe>&>(
|
|
state, wireframe));
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvDispatchLocationChangeEvent(
|
|
const MaybeDiscarded<BrowsingContext>& aContext) {
|
|
if (!aContext.IsNullOrDiscarded() && aContext.get()->GetDocShell()) {
|
|
aContext.get()->GetDocShell()->DispatchLocationChangeEvent();
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvDispatchBeforeUnloadToSubtree(
|
|
const MaybeDiscarded<BrowsingContext>& aStartingAt,
|
|
DispatchBeforeUnloadToSubtreeResolver&& aResolver) {
|
|
if (aStartingAt.IsNullOrDiscarded()) {
|
|
aResolver(nsIDocumentViewer::eAllowNavigation);
|
|
} else {
|
|
DispatchBeforeUnloadToSubtree(aStartingAt.get(), std::move(aResolver));
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvDecoderSupportedMimeTypes(
|
|
nsTArray<nsCString>&& aSupportedTypes) {
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
AndroidDecoderModule::SetSupportedMimeTypes(std::move(aSupportedTypes));
|
|
#endif
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvInitNextGenLocalStorageEnabled(
|
|
const bool& aEnabled) {
|
|
mozilla::dom::RecvInitNextGenLocalStorageEnabled(aEnabled);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
/* static */ void ContentChild::DispatchBeforeUnloadToSubtree(
|
|
BrowsingContext* aStartingAt,
|
|
const DispatchBeforeUnloadToSubtreeResolver& aResolver) {
|
|
bool resolved = false;
|
|
|
|
aStartingAt->PreOrderWalk([&](dom::BrowsingContext* aBC) {
|
|
if (aBC->GetDocShell()) {
|
|
nsCOMPtr<nsIDocumentViewer> viewer;
|
|
aBC->GetDocShell()->GetDocViewer(getter_AddRefs(viewer));
|
|
if (viewer &&
|
|
viewer->DispatchBeforeUnload() ==
|
|
nsIDocumentViewer::eRequestBlockNavigation &&
|
|
!resolved) {
|
|
// Send our response as soon as we find any blocker, so that we can show
|
|
// the permit unload prompt as soon as possible, without giving
|
|
// subsequent handlers a chance to delay it.
|
|
aResolver(nsIDocumentViewer::eRequestBlockNavigation);
|
|
resolved = true;
|
|
}
|
|
}
|
|
});
|
|
|
|
if (!resolved) {
|
|
aResolver(nsIDocumentViewer::eAllowNavigation);
|
|
}
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvGoBack(
|
|
const MaybeDiscarded<BrowsingContext>& aContext,
|
|
const Maybe<int32_t>& aCancelContentJSEpoch, bool aRequireUserInteraction,
|
|
bool aUserActivation) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
return IPC_OK();
|
|
}
|
|
BrowsingContext* bc = aContext.get();
|
|
|
|
if (RefPtr<nsDocShell> docShell = nsDocShell::Cast(bc->GetDocShell())) {
|
|
if (aCancelContentJSEpoch) {
|
|
docShell->SetCancelContentJSEpoch(*aCancelContentJSEpoch);
|
|
}
|
|
docShell->GoBack(aRequireUserInteraction, aUserActivation);
|
|
|
|
if (BrowserChild* browserChild = BrowserChild::GetFrom(docShell)) {
|
|
browserChild->NotifyNavigationFinished();
|
|
}
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvGoForward(
|
|
const MaybeDiscarded<BrowsingContext>& aContext,
|
|
const Maybe<int32_t>& aCancelContentJSEpoch, bool aRequireUserInteraction,
|
|
bool aUserActivation) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
return IPC_OK();
|
|
}
|
|
BrowsingContext* bc = aContext.get();
|
|
|
|
if (RefPtr<nsDocShell> docShell = nsDocShell::Cast(bc->GetDocShell())) {
|
|
if (aCancelContentJSEpoch) {
|
|
docShell->SetCancelContentJSEpoch(*aCancelContentJSEpoch);
|
|
}
|
|
docShell->GoForward(aRequireUserInteraction, aUserActivation);
|
|
|
|
if (BrowserChild* browserChild = BrowserChild::GetFrom(docShell)) {
|
|
browserChild->NotifyNavigationFinished();
|
|
}
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvGoToIndex(
|
|
const MaybeDiscarded<BrowsingContext>& aContext, const int32_t& aIndex,
|
|
const Maybe<int32_t>& aCancelContentJSEpoch, bool aUserActivation) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
return IPC_OK();
|
|
}
|
|
BrowsingContext* bc = aContext.get();
|
|
|
|
if (RefPtr<nsDocShell> docShell = nsDocShell::Cast(bc->GetDocShell())) {
|
|
if (aCancelContentJSEpoch) {
|
|
docShell->SetCancelContentJSEpoch(*aCancelContentJSEpoch);
|
|
}
|
|
docShell->GotoIndex(aIndex, aUserActivation);
|
|
|
|
if (BrowserChild* browserChild = BrowserChild::GetFrom(docShell)) {
|
|
browserChild->NotifyNavigationFinished();
|
|
}
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvReload(
|
|
const MaybeDiscarded<BrowsingContext>& aContext,
|
|
const uint32_t aReloadFlags) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
return IPC_OK();
|
|
}
|
|
BrowsingContext* bc = aContext.get();
|
|
|
|
if (RefPtr<nsDocShell> docShell = nsDocShell::Cast(bc->GetDocShell())) {
|
|
docShell->Reload(aReloadFlags);
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
mozilla::ipc::IPCResult ContentChild::RecvStopLoad(
|
|
const MaybeDiscarded<BrowsingContext>& aContext,
|
|
const uint32_t aStopFlags) {
|
|
if (aContext.IsNullOrDiscarded()) {
|
|
return IPC_OK();
|
|
}
|
|
BrowsingContext* bc = aContext.get();
|
|
|
|
if (auto* docShell = nsDocShell::Cast(bc->GetDocShell())) {
|
|
docShell->Stop(aStopFlags);
|
|
}
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
#if defined(MOZ_SANDBOX) && defined(MOZ_DEBUG) && defined(ENABLE_TESTS)
|
|
mozilla::ipc::IPCResult ContentChild::RecvInitSandboxTesting(
|
|
Endpoint<PSandboxTestingChild>&& aEndpoint) {
|
|
if (!SandboxTestingChild::Initialize(std::move(aEndpoint))) {
|
|
return IPC_FAIL(
|
|
this, "InitSandboxTesting failed to initialise the child process.");
|
|
}
|
|
return IPC_OK();
|
|
}
|
|
#endif
|
|
|
|
NS_IMETHODIMP ContentChild::GetChildID(uint64_t* aOut) {
|
|
*aOut = mID;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP ContentChild::GetActor(const nsACString& aName, JSContext* aCx,
|
|
JSProcessActorChild** retval) {
|
|
ErrorResult error;
|
|
RefPtr<JSProcessActorChild> actor =
|
|
JSActorManager::GetActor(aCx, aName, error)
|
|
.downcast<JSProcessActorChild>();
|
|
if (error.MaybeSetPendingException(aCx)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
actor.forget(retval);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP ContentChild::GetExistingActor(const nsACString& aName,
|
|
JSProcessActorChild** retval) {
|
|
RefPtr<JSProcessActorChild> actor =
|
|
JSActorManager::GetExistingActor(aName).downcast<JSProcessActorChild>();
|
|
actor.forget(retval);
|
|
return NS_OK;
|
|
}
|
|
|
|
already_AddRefed<JSActor> ContentChild::InitJSActor(
|
|
JS::Handle<JSObject*> aMaybeActor, const nsACString& aName,
|
|
ErrorResult& aRv) {
|
|
RefPtr<JSProcessActorChild> actor;
|
|
if (aMaybeActor.get()) {
|
|
aRv = UNWRAP_OBJECT(JSProcessActorChild, aMaybeActor.get(), actor);
|
|
if (aRv.Failed()) {
|
|
return nullptr;
|
|
}
|
|
} else {
|
|
actor = new JSProcessActorChild();
|
|
}
|
|
|
|
MOZ_RELEASE_ASSERT(!actor->Manager(),
|
|
"mManager was already initialized once!");
|
|
actor->Init(aName, this);
|
|
return actor.forget();
|
|
}
|
|
|
|
IPCResult ContentChild::RecvRawMessage(const JSActorMessageMeta& aMeta,
|
|
const Maybe<ClonedMessageData>& aData,
|
|
const Maybe<ClonedMessageData>& aStack) {
|
|
Maybe<StructuredCloneData> data;
|
|
if (aData) {
|
|
data.emplace();
|
|
data->BorrowFromClonedMessageData(*aData);
|
|
}
|
|
Maybe<StructuredCloneData> stack;
|
|
if (aStack) {
|
|
stack.emplace();
|
|
stack->BorrowFromClonedMessageData(*aStack);
|
|
}
|
|
ReceiveRawMessage(aMeta, std::move(data), std::move(stack));
|
|
return IPC_OK();
|
|
}
|
|
|
|
NS_IMETHODIMP ContentChild::GetCanSend(bool* aCanSend) {
|
|
*aCanSend = CanSend();
|
|
return NS_OK;
|
|
}
|
|
|
|
ContentChild* ContentChild::AsContentChild() { return this; }
|
|
|
|
JSActorManager* ContentChild::AsJSActorManager() { return this; }
|
|
|
|
IPCResult ContentChild::RecvFlushFOGData(FlushFOGDataResolver&& aResolver) {
|
|
glean::FlushFOGData(std::move(aResolver));
|
|
return IPC_OK();
|
|
}
|
|
|
|
IPCResult ContentChild::RecvUpdateMediaCodecsSupported(
|
|
RemoteDecodeIn aLocation, const media::MediaCodecsSupported& aSupported) {
|
|
RemoteDecoderManagerChild::SetSupported(aLocation, aSupported);
|
|
|
|
return IPC_OK();
|
|
}
|
|
|
|
void ContentChild::ConfigureThreadPerformanceHints(
|
|
const hal::ProcessPriority& aPriority) {
|
|
if (aPriority >= hal::PROCESS_PRIORITY_FOREGROUND) {
|
|
static bool canUsePerformanceHintSession = true;
|
|
if (!mPerformanceHintSession && canUsePerformanceHintSession) {
|
|
nsTArray<PlatformThreadHandle> threads;
|
|
Servo_ThreadPool_GetThreadHandles(&threads);
|
|
#ifdef XP_WIN
|
|
threads.AppendElement(GetCurrentThread());
|
|
#else
|
|
threads.AppendElement(pthread_self());
|
|
#endif
|
|
|
|
mPerformanceHintSession = hal::CreatePerformanceHintSession(
|
|
threads, GetPerformanceHintTarget(TimeDuration::FromMilliseconds(
|
|
nsRefreshDriver::DefaultInterval())));
|
|
|
|
// Avoid repeatedly attempting to create a session if it is not
|
|
// supported.
|
|
canUsePerformanceHintSession = mPerformanceHintSession != nullptr;
|
|
}
|
|
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
// On Android if we are unable to use PerformanceHintManager then fall back
|
|
// to setting the stylo threads' affinities to the performant cores. Android
|
|
// automatically sets each thread's affinity to all cores when a process is
|
|
// foregrounded, and to a subset of cores when the process is backgrounded.
|
|
// We must therefore override this each time the process is foregrounded,
|
|
// but we don't have to do anything when backgrounded.
|
|
if (!mPerformanceHintSession) {
|
|
if (const auto& cpuInfo = hal::GetHeterogeneousCpuInfo()) {
|
|
// If CPUs are homogeneous there is no point setting affinity.
|
|
if (cpuInfo->mBigCpus.Count() != cpuInfo->mTotalNumCpus) {
|
|
BitSet<hal::HeterogeneousCpuInfo::MAX_CPUS> cpus = cpuInfo->mBigCpus;
|
|
if (cpus.Count() < 2) {
|
|
// From testing on a variety of devices it appears using only the
|
|
// big cores gives best performance when there are 2 or more big
|
|
// cores. If there are fewer than 2 big cores then additionally
|
|
// using the medium cores performs better.
|
|
cpus |= cpuInfo->mMediumCpus;
|
|
}
|
|
|
|
static_assert(
|
|
hal::HeterogeneousCpuInfo::MAX_CPUS <= CPU_SETSIZE,
|
|
"HeterogeneousCpuInfo::MAX_CPUS is too large for CPU_SETSIZE");
|
|
|
|
cpu_set_t cpuset;
|
|
CPU_ZERO(&cpuset);
|
|
for (size_t i = 0; i < cpuInfo->mTotalNumCpus; i++) {
|
|
if (cpus.Test(i)) {
|
|
CPU_SET(i, &cpuset);
|
|
}
|
|
}
|
|
|
|
// Only set the affinity for the stylo threads, not the main thread.
|
|
// Testing showed no difference in performance between the two
|
|
// options, and as newly spawned threads automatically inherit their
|
|
// parent's affinity mask there may be unintended consequences to
|
|
// setting the main thread affinity.
|
|
nsTArray<PlatformThreadHandle> threads;
|
|
Servo_ThreadPool_GetThreadHandles(&threads);
|
|
for (pthread_t thread : threads) {
|
|
int ret = sched_setaffinity(pthread_gettid_np(thread),
|
|
sizeof(cpu_set_t), &cpuset);
|
|
// Occasionally sched_setaffinity fails, presumably due to a race
|
|
// between us receiving the process foreground signal and whatever
|
|
// is responsible for restricting which processes can use certain
|
|
// cores. Trying again in a runnable seems to do the trick, but if
|
|
// that still fails it's not the end of the world.
|
|
if (ret < 0) {
|
|
NS_DispatchToCurrentThread(NS_NewRunnableFunction(
|
|
"ContentChild::ConfigureThreadPerformanceHints",
|
|
[threads = std::move(threads), cpuset] {
|
|
for (pthread_t thread : threads) {
|
|
sched_setaffinity(pthread_gettid_np(thread),
|
|
sizeof(cpu_set_t), &cpuset);
|
|
}
|
|
}));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
} else {
|
|
mPerformanceHintSession = nullptr;
|
|
}
|
|
}
|
|
|
|
} // namespace dom
|
|
|
|
#if defined(__OpenBSD__) && defined(MOZ_SANDBOX)
|
|
|
|
static LazyLogModule sPledgeLog("OpenBSDSandbox");
|
|
|
|
NS_IMETHODIMP
|
|
OpenBSDFindPledgeUnveilFilePath(const char* file, nsACString& result) {
|
|
struct stat st;
|
|
|
|
// Allow overriding files in /etc/$MOZ_APP_NAME
|
|
result.Assign(nsPrintfCString("/etc/%s/%s", MOZ_APP_NAME, file));
|
|
if (stat(PromiseFlatCString(result).get(), &st) == 0) {
|
|
return NS_OK;
|
|
}
|
|
|
|
// Or look in the system default directory
|
|
result.Assign(nsPrintfCString(
|
|
"/usr/local/lib/%s/browser/defaults/preferences/%s", MOZ_APP_NAME, file));
|
|
if (stat(PromiseFlatCString(result).get(), &st) == 0) {
|
|
return NS_OK;
|
|
}
|
|
|
|
errx(1, "can't locate %s", file);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
OpenBSDPledgePromises(const nsACString& aPath) {
|
|
// Using NS_LOCAL_FILE_CONTRACTID/NS_LOCALFILEINPUTSTREAM_CONTRACTID requires
|
|
// a lot of setup before they are supported and we want to pledge early on
|
|
// before all of that, so read the file directly
|
|
std::ifstream input(PromiseFlatCString(aPath).get());
|
|
|
|
// Build up one line of pledge promises without comments
|
|
nsAutoCString promises;
|
|
bool disabled = false;
|
|
int linenum = 0;
|
|
for (std::string tLine; std::getline(input, tLine);) {
|
|
nsAutoCString line(tLine.c_str());
|
|
linenum++;
|
|
|
|
// Cut off any comments at the end of the line, also catches lines
|
|
// that are entirely a comment
|
|
int32_t hash = line.FindChar('#');
|
|
if (hash >= 0) {
|
|
line = Substring(line, 0, hash);
|
|
}
|
|
line.CompressWhitespace(true, true);
|
|
if (line.IsEmpty()) {
|
|
continue;
|
|
}
|
|
|
|
if (linenum == 1 && line.EqualsLiteral("disable")) {
|
|
disabled = true;
|
|
break;
|
|
}
|
|
|
|
if (!promises.IsEmpty()) {
|
|
promises.Append(" ");
|
|
}
|
|
promises.Append(line);
|
|
}
|
|
input.close();
|
|
|
|
if (disabled) {
|
|
warnx("%s: disabled", PromiseFlatCString(aPath).get());
|
|
} else {
|
|
MOZ_LOG(
|
|
sPledgeLog, LogLevel::Debug,
|
|
("%s: pledge(%s)\n", PromiseFlatCString(aPath).get(), promises.get()));
|
|
if (pledge(promises.get(), nullptr) != 0) {
|
|
err(1, "%s: pledge(%s) failed", PromiseFlatCString(aPath).get(),
|
|
promises.get());
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void ExpandUnveilPath(nsAutoCString& path) {
|
|
// Expand $XDG_RUNTIME_DIR to the environment variable, or ~/.cache
|
|
nsCString xdgRuntimeDir(PR_GetEnv("XDG_RUNTIME_DIR"));
|
|
if (xdgRuntimeDir.IsEmpty()) {
|
|
xdgRuntimeDir = "~/.cache";
|
|
}
|
|
path.ReplaceSubstring("$XDG_RUNTIME_DIR", xdgRuntimeDir.get());
|
|
|
|
// Expand $XDG_CONFIG_HOME to the environment variable, or ~/.config
|
|
nsCString xdgConfigHome(PR_GetEnv("XDG_CONFIG_HOME"));
|
|
if (xdgConfigHome.IsEmpty()) {
|
|
xdgConfigHome = "~/.config";
|
|
}
|
|
path.ReplaceSubstring("$XDG_CONFIG_HOME", xdgConfigHome.get());
|
|
|
|
// Expand $XDG_CACHE_HOME to the environment variable, or ~/.cache
|
|
nsCString xdgCacheHome(PR_GetEnv("XDG_CACHE_HOME"));
|
|
if (xdgCacheHome.IsEmpty()) {
|
|
xdgCacheHome = "~/.cache";
|
|
}
|
|
path.ReplaceSubstring("$XDG_CACHE_HOME", xdgCacheHome.get());
|
|
|
|
// Expand $XDG_DATA_HOME to the environment variable, or ~/.local/share
|
|
nsCString xdgDataHome(PR_GetEnv("XDG_DATA_HOME"));
|
|
if (xdgDataHome.IsEmpty()) {
|
|
xdgDataHome = "~/.local/share";
|
|
}
|
|
path.ReplaceSubstring("$XDG_DATA_HOME", xdgDataHome.get());
|
|
|
|
// Expand leading ~ to the user's home directory
|
|
nsCOMPtr<nsIFile> homeDir;
|
|
nsresult rv =
|
|
GetSpecialSystemDirectory(Unix_HomeDirectory, getter_AddRefs(homeDir));
|
|
if (NS_FAILED(rv)) {
|
|
errx(1, "failed getting home directory");
|
|
}
|
|
if (path.FindChar('~') == 0) {
|
|
nsCString tHome(homeDir->NativePath());
|
|
tHome.Append(Substring(path, 1, path.Length() - 1));
|
|
path = tHome.get();
|
|
}
|
|
}
|
|
|
|
void MkdirP(nsAutoCString& path) {
|
|
// nsLocalFile::CreateAllAncestors would be nice to use
|
|
|
|
nsAutoCString tPath("");
|
|
for (const nsACString& dir : path.Split('/')) {
|
|
struct stat st;
|
|
|
|
if (dir.IsEmpty()) {
|
|
continue;
|
|
}
|
|
|
|
tPath.Append("/");
|
|
tPath.Append(dir);
|
|
|
|
if (stat(tPath.get(), &st) == -1) {
|
|
if (mkdir(tPath.get(), 0700) == -1) {
|
|
err(1, "failed mkdir(%s) while MkdirP(%s)",
|
|
PromiseFlatCString(tPath).get(), PromiseFlatCString(path).get());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
OpenBSDUnveilPaths(const nsACString& uPath, const nsACString& pledgePath) {
|
|
// Using NS_LOCAL_FILE_CONTRACTID/NS_LOCALFILEINPUTSTREAM_CONTRACTID requires
|
|
// a lot of setup before they are allowed/supported and we want to pledge and
|
|
// unveil early on before all of that is setup
|
|
std::ifstream input(PromiseFlatCString(uPath).get());
|
|
|
|
bool disabled = false;
|
|
int linenum = 0;
|
|
for (std::string tLine; std::getline(input, tLine);) {
|
|
nsAutoCString line(tLine.c_str());
|
|
linenum++;
|
|
|
|
// Cut off any comments at the end of the line, also catches lines
|
|
// that are entirely a comment
|
|
int32_t hash = line.FindChar('#');
|
|
if (hash >= 0) {
|
|
line = Substring(line, 0, hash);
|
|
}
|
|
line.CompressWhitespace(true, true);
|
|
if (line.IsEmpty()) {
|
|
continue;
|
|
}
|
|
|
|
if (linenum == 1 && line.EqualsLiteral("disable")) {
|
|
disabled = true;
|
|
break;
|
|
}
|
|
|
|
int32_t space = line.FindChar(' ');
|
|
if (space <= 0) {
|
|
errx(1, "%s: line %d: invalid format", PromiseFlatCString(uPath).get(),
|
|
linenum);
|
|
}
|
|
|
|
nsAutoCString uPath(Substring(line, 0, space));
|
|
ExpandUnveilPath(uPath);
|
|
|
|
nsAutoCString perms(Substring(line, space + 1, line.Length() - space - 1));
|
|
|
|
MOZ_LOG(sPledgeLog, LogLevel::Debug,
|
|
("%s: unveil(%s, %s)\n", PromiseFlatCString(uPath).get(),
|
|
uPath.get(), perms.get()));
|
|
if (unveil(uPath.get(), perms.get()) == -1 && errno != ENOENT) {
|
|
err(1, "%s: unveil(%s, %s) failed", PromiseFlatCString(uPath).get(),
|
|
uPath.get(), perms.get());
|
|
}
|
|
}
|
|
input.close();
|
|
|
|
if (disabled) {
|
|
warnx("%s: disabled", PromiseFlatCString(uPath).get());
|
|
} else {
|
|
struct stat st;
|
|
|
|
// Only unveil the pledgePath file if it's not already unveiled, otherwise
|
|
// some containing directory will lose visibility.
|
|
if (stat(PromiseFlatCString(pledgePath).get(), &st) == -1) {
|
|
if (errno == ENOENT) {
|
|
if (unveil(PromiseFlatCString(pledgePath).get(), "r") == -1) {
|
|
err(1, "unveil(%s, r) failed", PromiseFlatCString(pledgePath).get());
|
|
}
|
|
} else {
|
|
err(1, "stat(%s)", PromiseFlatCString(pledgePath).get());
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
bool StartOpenBSDSandbox(GeckoProcessType type, ipc::SandboxingKind kind) {
|
|
nsAutoCString pledgeFile;
|
|
nsAutoCString unveilFile;
|
|
char binaryPath[MAXPATHLEN];
|
|
|
|
switch (type) {
|
|
case GeckoProcessType_Default: {
|
|
OpenBSDFindPledgeUnveilFilePath("pledge.main", pledgeFile);
|
|
OpenBSDFindPledgeUnveilFilePath("unveil.main", unveilFile);
|
|
|
|
// Ensure dconf dir exists before we veil the filesystem
|
|
nsAutoCString dConf("$XDG_RUNTIME_DIR/dconf");
|
|
ExpandUnveilPath(dConf);
|
|
MkdirP(dConf);
|
|
break;
|
|
}
|
|
|
|
case GeckoProcessType_Content:
|
|
OpenBSDFindPledgeUnveilFilePath("pledge.content", pledgeFile);
|
|
OpenBSDFindPledgeUnveilFilePath("unveil.content", unveilFile);
|
|
break;
|
|
|
|
case GeckoProcessType_GPU:
|
|
OpenBSDFindPledgeUnveilFilePath("pledge.gpu", pledgeFile);
|
|
OpenBSDFindPledgeUnveilFilePath("unveil.gpu", unveilFile);
|
|
break;
|
|
|
|
case GeckoProcessType_Socket:
|
|
OpenBSDFindPledgeUnveilFilePath("pledge.socket", pledgeFile);
|
|
OpenBSDFindPledgeUnveilFilePath("unveil.socket", unveilFile);
|
|
break;
|
|
|
|
case GeckoProcessType_RDD:
|
|
OpenBSDFindPledgeUnveilFilePath("pledge.rdd", pledgeFile);
|
|
OpenBSDFindPledgeUnveilFilePath("unveil.rdd", unveilFile);
|
|
break;
|
|
|
|
case GeckoProcessType_Utility: {
|
|
MOZ_RELEASE_ASSERT(kind <= SandboxingKind::COUNT,
|
|
"Should define a sandbox");
|
|
switch (kind) {
|
|
case ipc::SandboxingKind::GENERIC_UTILITY:
|
|
default:
|
|
OpenBSDFindPledgeUnveilFilePath("pledge.utility", pledgeFile);
|
|
OpenBSDFindPledgeUnveilFilePath("unveil.utility", unveilFile);
|
|
break;
|
|
}
|
|
} break;
|
|
|
|
default:
|
|
MOZ_ASSERT(false, "unknown process type");
|
|
return false;
|
|
}
|
|
|
|
nsresult rv = mozilla::BinaryPath::Get(binaryPath);
|
|
if (NS_FAILED(rv)) {
|
|
errx(1, "failed to cache binary path ?");
|
|
}
|
|
|
|
if (NS_WARN_IF(NS_FAILED(OpenBSDUnveilPaths(unveilFile, pledgeFile)))) {
|
|
errx(1, "failed reading/parsing %s", unveilFile.get());
|
|
}
|
|
|
|
if (NS_WARN_IF(NS_FAILED(OpenBSDPledgePromises(pledgeFile)))) {
|
|
errx(1, "failed reading/parsing %s", pledgeFile.get());
|
|
}
|
|
|
|
// Don't overwrite an existing session dbus address, but ensure it is set
|
|
if (!PR_GetEnv("DBUS_SESSION_BUS_ADDRESS")) {
|
|
PR_SetEnv("DBUS_SESSION_BUS_ADDRESS=");
|
|
}
|
|
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
} // namespace mozilla
|
|
|
|
/* static */
|
|
nsIDOMProcessChild* nsIDOMProcessChild::GetSingleton() {
|
|
if (XRE_IsContentProcess()) {
|
|
return mozilla::dom::ContentChild::GetSingleton();
|
|
}
|
|
return mozilla::dom::InProcessChild::Singleton();
|
|
}
|