4249 lines
178 KiB
C++
4249 lines
178 KiB
C++
/*
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* Copyright (C) 2006-2020 Apple Inc. All rights reserved.
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* Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
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* Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
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* Copyright (C) 2008 Alp Toker <alp@atoker.com>
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* Copyright (C) Research In Motion Limited 2009. All rights reserved.
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* Copyright (C) 2011 Kris Jordan <krisjordan@gmail.com>
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* Copyright (C) 2011 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Apple Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "FrameLoader.h"
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#include "AXObjectCache.h"
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#include "ApplicationCacheHost.h"
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#include "BackForwardCache.h"
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#include "BackForwardController.h"
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#include "BeforeUnloadEvent.h"
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#include "CachePolicy.h"
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#include "CachedPage.h"
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#include "CachedResourceLoader.h"
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#include "Chrome.h"
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#include "ChromeClient.h"
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#include "CommonVM.h"
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#include "ContentFilter.h"
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#include "ContentRuleListResults.h"
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#include "ContentSecurityPolicy.h"
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#include "CrossOriginAccessControl.h"
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#include "CrossOriginEmbedderPolicy.h"
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#include "DOMWindow.h"
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#include "DatabaseManager.h"
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#include "DiagnosticLoggingClient.h"
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#include "DiagnosticLoggingKeys.h"
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#include "Document.h"
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#include "DocumentLoader.h"
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#include "Editor.h"
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#include "EditorClient.h"
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#include "Element.h"
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#include "Event.h"
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#include "EventHandler.h"
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#include "EventNames.h"
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#include "FloatRect.h"
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#include "FormState.h"
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#include "FormSubmission.h"
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#include "Frame.h"
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#include "FrameLoadRequest.h"
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#include "FrameLoaderClient.h"
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#include "FrameNetworkingContext.h"
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#include "FrameTree.h"
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#include "FrameView.h"
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#include "GCController.h"
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#include "HTMLFormElement.h"
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#include "HTMLInputElement.h"
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#include "HTMLNames.h"
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#include "HTMLObjectElement.h"
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#include "HTMLParserIdioms.h"
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#include "HTTPHeaderNames.h"
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#include "HTTPHeaderValues.h"
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#include "HTTPParsers.h"
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#include "HistoryController.h"
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#include "HistoryItem.h"
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#include "IgnoreOpensDuringUnloadCountIncrementer.h"
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#include "InspectorController.h"
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#include "InspectorInstrumentation.h"
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#include "LinkLoader.h"
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#include "LoaderStrategy.h"
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#include "Logging.h"
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#include "MemoryCache.h"
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#include "MemoryRelease.h"
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#include "NavigationDisabler.h"
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#include "NavigationScheduler.h"
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#include "Node.h"
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#include "Page.h"
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#include "PageTransitionEvent.h"
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#include "Performance.h"
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#include "PerformanceLogging.h"
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#include "PlatformStrategies.h"
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#include "PluginData.h"
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#include "PluginDocument.h"
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#include "PolicyChecker.h"
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#include "ProgressTracker.h"
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#include "ResourceHandle.h"
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#include "ResourceLoadInfo.h"
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#include "ResourceLoadObserver.h"
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#include "ResourceRequest.h"
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#include "SVGLocatable.h"
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#include "SVGNames.h"
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#include "SVGViewElement.h"
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#include "SVGViewSpec.h"
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#include "ScriptController.h"
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#include "ScriptSourceCode.h"
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#include "ScrollAnimator.h"
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#include "SecurityOrigin.h"
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#include "SecurityPolicy.h"
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#include "SegmentedString.h"
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#include "SerializedScriptValue.h"
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#include "Settings.h"
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#include "ShouldTreatAsContinuingLoad.h"
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#include "StyleTreeResolver.h"
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#include "SubframeLoader.h"
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#include "SubresourceLoader.h"
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#include "TextResourceDecoder.h"
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#include "UserContentController.h"
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#include "UserGestureIndicator.h"
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#include "WindowFeatures.h"
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#include "XMLDocumentParser.h"
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#include <dom/ScriptDisallowedScope.h>
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#include <wtf/CompletionHandler.h>
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#include <wtf/URL.h>
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#include <wtf/Ref.h>
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#include <wtf/SetForScope.h>
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#include <wtf/StdLibExtras.h>
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#include <wtf/SystemTracing.h>
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#include <wtf/text/CString.h>
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#include <wtf/text/WTFString.h>
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#if ENABLE(WEB_ARCHIVE) || ENABLE(MHTML)
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#include "Archive.h"
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#endif
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#if ENABLE(DATA_DETECTION)
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#include "DataDetection.h"
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#include "DataDetectionResultsStorage.h"
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#endif
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#if PLATFORM(IOS_FAMILY)
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#include "DocumentType.h"
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#include "ResourceLoader.h"
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#include "RuntimeApplicationChecks.h"
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#endif
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#define PAGE_ID ((pageID().value_or(PageIdentifier())).toUInt64())
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#define FRAME_ID ((frameID().value_or(FrameIdentifier())).toUInt64())
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#define FRAMELOADER_RELEASE_LOG(channel, fmt, ...) RELEASE_LOG(channel, "%p - [pageID=%" PRIu64 ", frameID=%" PRIu64 ", main=%d] FrameLoader::" fmt, this, PAGE_ID, FRAME_ID, m_frame.isMainFrame(), ##__VA_ARGS__)
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#define FRAMELOADER_RELEASE_LOG_ERROR(channel, fmt, ...) RELEASE_LOG_ERROR(channel, "%p - [pageID=%" PRIu64 ", frameID=%" PRIu64 ", main=%d] FrameLoader::" fmt, this, PAGE_ID, FRAME_ID, m_frame.isMainFrame(), ##__VA_ARGS__)
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namespace WebCore {
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using namespace HTMLNames;
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using namespace SVGNames;
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bool isBackForwardLoadType(FrameLoadType type)
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{
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switch (type) {
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case FrameLoadType::Standard:
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case FrameLoadType::Reload:
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case FrameLoadType::ReloadFromOrigin:
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case FrameLoadType::ReloadExpiredOnly:
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case FrameLoadType::Same:
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case FrameLoadType::RedirectWithLockedBackForwardList:
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case FrameLoadType::Replace:
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return false;
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case FrameLoadType::Back:
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case FrameLoadType::Forward:
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case FrameLoadType::IndexedBackForward:
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return true;
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}
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ASSERT_NOT_REACHED();
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return false;
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}
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bool isReload(FrameLoadType type)
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{
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switch (type) {
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case FrameLoadType::Reload:
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case FrameLoadType::ReloadFromOrigin:
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case FrameLoadType::ReloadExpiredOnly:
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return true;
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case FrameLoadType::Standard:
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case FrameLoadType::Same:
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case FrameLoadType::RedirectWithLockedBackForwardList:
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case FrameLoadType::Replace:
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case FrameLoadType::Back:
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case FrameLoadType::Forward:
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case FrameLoadType::IndexedBackForward:
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return false;
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}
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ASSERT_NOT_REACHED();
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return false;
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}
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// This is not in the FrameLoader class to emphasize that it does not depend on
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// private FrameLoader data, and to avoid increasing the number of public functions
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// with access to private data. Since only this .cpp file needs it, making it
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// non-member lets us exclude it from the header file, thus keeping FrameLoader.h's
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// API simpler.
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//
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static bool isDocumentSandboxed(Frame& frame, SandboxFlags mask)
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{
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return frame.document() && frame.document()->isSandboxed(mask);
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}
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class PageLevelForbidScope {
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protected:
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explicit PageLevelForbidScope(Page* page)
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: m_page(makeWeakPtr(page))
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{
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}
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~PageLevelForbidScope() = default;
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WeakPtr<Page> m_page;
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};
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struct ForbidPromptsScope : public PageLevelForbidScope {
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explicit ForbidPromptsScope(Page* page)
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: PageLevelForbidScope(page)
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{
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if (m_page)
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m_page->forbidPrompts();
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}
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~ForbidPromptsScope()
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{
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if (m_page)
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m_page->allowPrompts();
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}
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};
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struct ForbidSynchronousLoadsScope : public PageLevelForbidScope {
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explicit ForbidSynchronousLoadsScope(Page* page)
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: PageLevelForbidScope(page)
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{
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if (m_page)
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m_page->forbidSynchronousLoads();
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}
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~ForbidSynchronousLoadsScope()
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{
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if (m_page)
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m_page->allowSynchronousLoads();
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}
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};
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class FrameLoader::FrameProgressTracker {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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explicit FrameProgressTracker(Frame& frame)
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: m_frame(frame)
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, m_inProgress(false)
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{
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}
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~FrameProgressTracker()
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{
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if (m_inProgress && m_frame.page())
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m_frame.page()->progress().progressCompleted(m_frame);
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}
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void progressStarted()
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{
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ASSERT(m_frame.page());
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if (!m_inProgress)
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m_frame.page()->progress().progressStarted(m_frame);
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m_inProgress = true;
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}
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void progressCompleted()
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{
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ASSERT(m_inProgress);
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ASSERT(m_frame.page());
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m_inProgress = false;
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m_frame.page()->progress().progressCompleted(m_frame);
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platformStrategies()->loaderStrategy()->pageLoadCompleted(*m_frame.page());
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}
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private:
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Frame& m_frame;
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bool m_inProgress;
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};
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FrameLoader::FrameLoader(Frame& frame, UniqueRef<FrameLoaderClient>&& client)
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: m_frame(frame)
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, m_client(WTFMove(client))
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, m_policyChecker(makeUnique<PolicyChecker>(frame))
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, m_history(makeUnique<HistoryController>(frame))
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, m_notifier(frame)
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, m_subframeLoader(makeUnique<SubframeLoader>(frame))
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, m_state(FrameState::Provisional)
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, m_loadType(FrameLoadType::Standard)
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, m_quickRedirectComing(false)
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, m_sentRedirectNotification(false)
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, m_inStopAllLoaders(false)
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, m_isExecutingJavaScriptFormAction(false)
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, m_didCallImplicitClose(true)
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, m_wasUnloadEventEmitted(false)
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, m_isComplete(false)
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, m_needsClear(false)
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, m_checkTimer(*this, &FrameLoader::checkTimerFired)
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, m_shouldCallCheckCompleted(false)
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, m_shouldCallCheckLoadComplete(false)
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, m_opener(nullptr)
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, m_loadingFromCachedPage(false)
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, m_currentNavigationHasShownBeforeUnloadConfirmPanel(false)
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, m_loadsSynchronously(false)
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, m_forcedSandboxFlags(SandboxNone)
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{
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}
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FrameLoader::~FrameLoader()
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{
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setOpener(nullptr);
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detachFromAllOpenedFrames();
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if (m_networkingContext)
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m_networkingContext->invalidate();
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}
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void FrameLoader::detachFromAllOpenedFrames()
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{
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for (auto& frame : m_openedFrames)
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frame.loader().m_opener = nullptr;
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m_openedFrames.clear();
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}
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void FrameLoader::init()
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{
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// This somewhat odd set of steps gives the frame an initial empty document.
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setPolicyDocumentLoader(m_client->createDocumentLoader(ResourceRequest(URL({ }, emptyString())), SubstituteData()).ptr());
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setProvisionalDocumentLoader(m_policyDocumentLoader.get());
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m_provisionalDocumentLoader->startLoadingMainResource();
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Ref<Frame> protect(m_frame);
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m_frame.document()->cancelParsing();
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m_stateMachine.advanceTo(FrameLoaderStateMachine::DisplayingInitialEmptyDocument);
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m_networkingContext = m_client->createNetworkingContext();
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m_progressTracker = makeUnique<FrameProgressTracker>(m_frame);
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}
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void FrameLoader::initForSynthesizedDocument(const URL&)
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{
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// FIXME: We need to initialize the document URL to the specified URL. Currently the URL is empty and hence
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// FrameLoader::checkCompleted() will overwrite the URL of the document to be activeDocumentLoader()->documentURL().
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auto loader = m_client->createDocumentLoader(ResourceRequest(URL({ }, emptyString())), SubstituteData());
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loader->attachToFrame(m_frame);
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loader->setResponse(ResourceResponse(URL(), "text/html"_s, 0, String()));
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loader->setCommitted(true);
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setDocumentLoader(loader.ptr());
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m_stateMachine.advanceTo(FrameLoaderStateMachine::DisplayingInitialEmptyDocument);
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m_stateMachine.advanceTo(FrameLoaderStateMachine::DisplayingInitialEmptyDocumentPostCommit);
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m_stateMachine.advanceTo(FrameLoaderStateMachine::CommittedFirstRealLoad);
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m_client->transitionToCommittedForNewPage();
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m_didCallImplicitClose = true;
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m_isComplete = true;
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m_state = FrameState::Complete;
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m_needsClear = true;
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m_networkingContext = m_client->createNetworkingContext();
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m_progressTracker = makeUnique<FrameProgressTracker>(m_frame);
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}
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std::optional<PageIdentifier> FrameLoader::pageID() const
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{
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return client().pageID();
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}
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std::optional<FrameIdentifier> FrameLoader::frameID() const
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{
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return client().frameID();
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}
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Frame* FrameLoader::opener()
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{
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return m_opener.get();
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}
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const Frame* FrameLoader::opener() const
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{
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return m_opener.get();
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}
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void FrameLoader::setDefersLoading(bool defers)
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{
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if (m_documentLoader)
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m_documentLoader->setDefersLoading(defers);
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if (m_provisionalDocumentLoader)
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m_provisionalDocumentLoader->setDefersLoading(defers);
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if (m_policyDocumentLoader)
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m_policyDocumentLoader->setDefersLoading(defers);
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history().setDefersLoading(defers);
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if (!defers) {
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m_frame.navigationScheduler().startTimer();
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startCheckCompleteTimer();
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}
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}
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void FrameLoader::checkContentPolicy(const ResourceResponse& response, PolicyCheckIdentifier identifier, ContentPolicyDecisionFunction&& function)
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{
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if (!activeDocumentLoader()) {
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// Load was cancelled
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function(PolicyAction::Ignore, identifier);
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return;
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}
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// FIXME: Validate the policy check identifier.
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client().dispatchDecidePolicyForResponse(response, activeDocumentLoader()->request(), identifier, activeDocumentLoader()->downloadAttribute(), WTFMove(function));
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}
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void FrameLoader::changeLocation(const URL& url, const String& passedTarget, Event* triggeringEvent, const ReferrerPolicy& referrerPolicy, ShouldOpenExternalURLsPolicy shouldOpenExternalURLsPolicy, std::optional<NewFrameOpenerPolicy> openerPolicy, const AtomString& downloadAttribute, const SystemPreviewInfo& systemPreviewInfo, std::optional<PrivateClickMeasurement>&& privateClickMeasurement)
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{
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auto* frame = lexicalFrameFromCommonVM();
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auto initiatedByMainFrame = frame && frame->isMainFrame() ? InitiatedByMainFrame::Yes : InitiatedByMainFrame::Unknown;
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NewFrameOpenerPolicy newFrameOpenerPolicy = openerPolicy.value_or(referrerPolicy == ReferrerPolicy::NoReferrer ? NewFrameOpenerPolicy::Suppress : NewFrameOpenerPolicy::Allow);
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FrameLoadRequest frameLoadRequest(*m_frame.document(), m_frame.document()->securityOrigin(), { url }, passedTarget, initiatedByMainFrame, downloadAttribute, systemPreviewInfo);
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frameLoadRequest.setNewFrameOpenerPolicy(newFrameOpenerPolicy);
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frameLoadRequest.setReferrerPolicy(referrerPolicy);
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frameLoadRequest.setShouldOpenExternalURLsPolicy(shouldOpenExternalURLsPolicy);
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frameLoadRequest.disableShouldReplaceDocumentIfJavaScriptURL();
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changeLocation(WTFMove(frameLoadRequest), triggeringEvent, WTFMove(privateClickMeasurement));
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}
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void FrameLoader::changeLocation(FrameLoadRequest&& frameRequest, Event* triggeringEvent, std::optional<PrivateClickMeasurement>&& privateClickMeasurement)
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{
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FRAMELOADER_RELEASE_LOG(ResourceLoading, "changeLocation: frame load started");
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ASSERT(frameRequest.resourceRequest().httpMethod() == "GET");
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Ref<Frame> protect(m_frame);
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if (frameRequest.resourceRequest().url().protocolIsJavaScript()) {
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m_frame.script().executeJavaScriptURL(frameRequest.resourceRequest().url(), &frameRequest.requester().securityOrigin(), frameRequest.shouldReplaceDocumentIfJavaScriptURL());
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m_quickRedirectComing = false;
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return;
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}
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if (frameRequest.frameName().isEmpty())
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frameRequest.setFrameName(m_frame.document()->baseTarget());
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m_frame.document()->contentSecurityPolicy()->upgradeInsecureRequestIfNeeded(frameRequest.resourceRequest(), ContentSecurityPolicy::InsecureRequestType::Navigation);
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loadFrameRequest(WTFMove(frameRequest), triggeringEvent, { }, WTFMove(privateClickMeasurement));
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}
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void FrameLoader::submitForm(Ref<FormSubmission>&& submission)
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{
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ASSERT(submission->method() == FormSubmission::Method::Post || submission->method() == FormSubmission::Method::Get);
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// FIXME: Find a good spot for these.
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ASSERT(!submission->state().sourceDocument().frame() || submission->state().sourceDocument().frame() == &m_frame);
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if (!m_frame.page())
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return;
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if (submission->action().isEmpty())
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return;
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if (isDocumentSandboxed(m_frame, SandboxForms)) {
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// FIXME: This message should be moved off the console once a solution to https://bugs.webkit.org/show_bug.cgi?id=103274 exists.
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m_frame.document()->addConsoleMessage(MessageSource::Security, MessageLevel::Error, "Blocked form submission to '" + submission->action().stringCenterEllipsizedToLength() + "' because the form's frame is sandboxed and the 'allow-forms' permission is not set.");
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return;
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}
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URL formAction = submission->action();
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if (!m_frame.document()->contentSecurityPolicy()->allowFormAction(formAction))
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return;
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if (formAction.protocolIsJavaScript()) {
|
|
m_isExecutingJavaScriptFormAction = true;
|
|
Ref<Frame> protect(m_frame);
|
|
m_frame.script().executeJavaScriptURL(submission->action(), nullptr, DoNotReplaceDocumentIfJavaScriptURL);
|
|
m_isExecutingJavaScriptFormAction = false;
|
|
return;
|
|
}
|
|
|
|
Frame* targetFrame = findFrameForNavigation(submission->target(), &submission->state().sourceDocument());
|
|
if (!targetFrame) {
|
|
if (!DOMWindow::allowPopUp(m_frame) && !UserGestureIndicator::processingUserGesture())
|
|
return;
|
|
|
|
// FIXME: targetFrame can be null for two distinct reasons:
|
|
// 1. The frame was not found by name, so we should try opening a new window.
|
|
// 2. The frame was found, but navigating it was not allowed, e.g. by HTML5 sandbox or by origin checks.
|
|
// Continuing form submission makes no sense in the latter case.
|
|
// There is a repeat check after timer fires, so this is not a correctness issue.
|
|
|
|
targetFrame = &m_frame;
|
|
} else
|
|
submission->clearTarget();
|
|
|
|
if (!targetFrame->page())
|
|
return;
|
|
|
|
if (m_frame.tree().isDescendantOf(targetFrame))
|
|
m_submittedFormURL = submission->requestURL();
|
|
|
|
submission->setReferrer(outgoingReferrer());
|
|
submission->setOrigin(SecurityPolicy::generateOriginHeader(m_frame.document()->referrerPolicy(), submission->requestURL(), m_frame.document()->securityOrigin()));
|
|
|
|
targetFrame->navigationScheduler().scheduleFormSubmission(WTFMove(submission));
|
|
}
|
|
|
|
void FrameLoader::stopLoading(UnloadEventPolicy unloadEventPolicy)
|
|
{
|
|
if (m_frame.document() && m_frame.document()->parser())
|
|
m_frame.document()->parser()->stopParsing();
|
|
|
|
if (unloadEventPolicy != UnloadEventPolicy::None)
|
|
dispatchUnloadEvents(unloadEventPolicy);
|
|
|
|
m_isComplete = true; // to avoid calling completed() in finishedParsing()
|
|
m_didCallImplicitClose = true; // don't want that one either
|
|
|
|
if (m_frame.document() && m_frame.document()->parsing()) {
|
|
finishedParsing();
|
|
m_frame.document()->setParsing(false);
|
|
}
|
|
|
|
if (auto* document = m_frame.document()) {
|
|
// FIXME: Should the DatabaseManager watch for something like ActiveDOMObject::stop() rather than being special-cased here?
|
|
DatabaseManager::singleton().stopDatabases(*document, nullptr);
|
|
}
|
|
|
|
policyChecker().stopCheck();
|
|
|
|
// FIXME: This will cancel redirection timer, which really needs to be restarted when restoring the frame from b/f cache.
|
|
m_frame.navigationScheduler().cancel();
|
|
}
|
|
|
|
void FrameLoader::stop()
|
|
{
|
|
// http://bugs.webkit.org/show_bug.cgi?id=10854
|
|
// The frame's last ref may be removed and it will be deleted by checkCompleted().
|
|
Ref<Frame> protect(m_frame);
|
|
|
|
if (DocumentParser* parser = m_frame.document()->parser()) {
|
|
parser->stopParsing();
|
|
parser->finish();
|
|
}
|
|
}
|
|
|
|
void FrameLoader::closeURL()
|
|
{
|
|
history().saveDocumentState();
|
|
|
|
RefPtr<Document> currentDocument = m_frame.document();
|
|
UnloadEventPolicy unloadEventPolicy;
|
|
if (m_frame.page() && m_frame.page()->chrome().client().isSVGImageChromeClient()) {
|
|
// If this is the SVGDocument of an SVGImage, no need to dispatch events or recalcStyle.
|
|
unloadEventPolicy = UnloadEventPolicy::None;
|
|
} else {
|
|
// Should only send the pagehide event here if the current document exists and has not been placed in the back/forward cache.
|
|
unloadEventPolicy = currentDocument && currentDocument->backForwardCacheState() == Document::NotInBackForwardCache ? UnloadEventPolicy::UnloadAndPageHide : UnloadEventPolicy::UnloadOnly;
|
|
}
|
|
|
|
stopLoading(unloadEventPolicy);
|
|
|
|
if (currentDocument)
|
|
currentDocument->editor().clearUndoRedoOperations();
|
|
}
|
|
|
|
bool FrameLoader::didOpenURL()
|
|
{
|
|
if (m_frame.navigationScheduler().redirectScheduledDuringLoad()) {
|
|
// A redirect was scheduled before the document was created.
|
|
// This can happen when one frame changes another frame's location.
|
|
return false;
|
|
}
|
|
|
|
m_frame.navigationScheduler().cancel();
|
|
|
|
m_isComplete = false;
|
|
m_didCallImplicitClose = false;
|
|
|
|
// If we are still in the process of initializing an empty document then
|
|
// its frame is not in a consistent state for rendering, so avoid setJSStatusBarText
|
|
// since it may cause clients to attempt to render the frame.
|
|
if (!m_stateMachine.creatingInitialEmptyDocument()) {
|
|
DOMWindow* window = m_frame.document()->domWindow();
|
|
window->setStatus(String());
|
|
window->setDefaultStatus(String());
|
|
}
|
|
|
|
started();
|
|
|
|
return true;
|
|
}
|
|
|
|
void FrameLoader::didExplicitOpen()
|
|
{
|
|
m_isComplete = false;
|
|
m_didCallImplicitClose = false;
|
|
|
|
// Calling document.open counts as committing the first real document load.
|
|
if (!m_stateMachine.committedFirstRealDocumentLoad())
|
|
m_stateMachine.advanceTo(FrameLoaderStateMachine::DisplayingInitialEmptyDocumentPostCommit);
|
|
|
|
if (auto* document = m_frame.document())
|
|
m_client->dispatchDidExplicitOpen(document->url(), document->contentType());
|
|
|
|
// Prevent window.open(url) -- eg window.open("about:blank") -- from blowing away results
|
|
// from a subsequent window.document.open / window.document.write call.
|
|
// Canceling redirection here works for all cases because document.open
|
|
// implicitly precedes document.write.
|
|
m_frame.navigationScheduler().cancel();
|
|
}
|
|
|
|
static inline bool shouldClearWindowName(const Frame& frame, const Document& newDocument)
|
|
{
|
|
if (!frame.isMainFrame())
|
|
return false;
|
|
|
|
if (frame.loader().opener())
|
|
return false;
|
|
|
|
return !newDocument.securityOrigin().isSameOriginAs(frame.document()->securityOrigin());
|
|
}
|
|
|
|
void FrameLoader::clear(Document* newDocument, bool clearWindowProperties, bool clearScriptObjects, bool clearFrameView, WTF::Function<void()>&& handleDOMWindowCreation)
|
|
{
|
|
bool neededClear = m_needsClear;
|
|
m_needsClear = false;
|
|
|
|
if (neededClear && m_frame.document()->backForwardCacheState() != Document::InBackForwardCache) {
|
|
m_frame.document()->cancelParsing();
|
|
m_frame.document()->stopActiveDOMObjects();
|
|
bool hadLivingRenderTree = m_frame.document()->hasLivingRenderTree();
|
|
m_frame.document()->willBeRemovedFromFrame();
|
|
if (hadLivingRenderTree)
|
|
m_frame.document()->adjustFocusedNodeOnNodeRemoval(*m_frame.document());
|
|
}
|
|
|
|
if (handleDOMWindowCreation)
|
|
handleDOMWindowCreation();
|
|
|
|
if (!neededClear)
|
|
return;
|
|
|
|
// Do this after detaching the document so that the unload event works.
|
|
if (clearWindowProperties) {
|
|
InspectorInstrumentation::frameWindowDiscarded(m_frame, m_frame.document()->domWindow());
|
|
m_frame.document()->domWindow()->resetUnlessSuspendedForDocumentSuspension();
|
|
m_frame.windowProxy().clearJSWindowProxiesNotMatchingDOMWindow(newDocument->domWindow(), m_frame.document()->backForwardCacheState() == Document::AboutToEnterBackForwardCache);
|
|
|
|
if (shouldClearWindowName(m_frame, *newDocument))
|
|
m_frame.tree().setName(nullAtom());
|
|
}
|
|
|
|
m_frame.eventHandler().clear();
|
|
|
|
if (clearFrameView && m_frame.view())
|
|
m_frame.view()->clear();
|
|
|
|
// Do not drop the document before the ScriptController and view are cleared
|
|
// as some destructors might still try to access the document.
|
|
m_frame.setDocument(nullptr);
|
|
|
|
subframeLoader().clear();
|
|
|
|
if (clearWindowProperties)
|
|
m_frame.windowProxy().setDOMWindow(newDocument->domWindow());
|
|
|
|
if (clearScriptObjects)
|
|
m_frame.script().clearScriptObjects();
|
|
|
|
m_frame.script().enableEval();
|
|
|
|
m_frame.navigationScheduler().clear();
|
|
|
|
m_checkTimer.stop();
|
|
m_shouldCallCheckCompleted = false;
|
|
m_shouldCallCheckLoadComplete = false;
|
|
|
|
if (m_stateMachine.isDisplayingInitialEmptyDocument() && m_stateMachine.committedFirstRealDocumentLoad())
|
|
m_stateMachine.advanceTo(FrameLoaderStateMachine::CommittedFirstRealLoad);
|
|
}
|
|
|
|
void FrameLoader::receivedFirstData()
|
|
{
|
|
auto protectedFrame = makeRef(m_frame);
|
|
|
|
dispatchDidCommitLoad(std::nullopt, std::nullopt);
|
|
dispatchDidClearWindowObjectsInAllWorlds();
|
|
dispatchGlobalObjectAvailableInAllWorlds();
|
|
|
|
if (!m_documentLoader)
|
|
return;
|
|
|
|
auto& documentLoader = *m_documentLoader;
|
|
auto& title = documentLoader.title();
|
|
if (!title.string.isNull())
|
|
m_client->dispatchDidReceiveTitle(title);
|
|
|
|
ASSERT(m_frame.document());
|
|
auto& document = *m_frame.document();
|
|
|
|
LinkLoader::loadLinksFromHeader(documentLoader.response().httpHeaderField(HTTPHeaderName::Link), document.url(), document, LinkLoader::MediaAttributeCheck::MediaAttributeEmpty);
|
|
|
|
scheduleRefreshIfNeeded(document, documentLoader.response().httpHeaderField(HTTPHeaderName::Refresh), IsMetaRefresh::No);
|
|
}
|
|
|
|
void FrameLoader::setOutgoingReferrer(const URL& url)
|
|
{
|
|
m_outgoingReferrer = url.strippedForUseAsReferrer();
|
|
}
|
|
|
|
void FrameLoader::didBeginDocument(bool dispatch)
|
|
{
|
|
m_needsClear = true;
|
|
m_isComplete = false;
|
|
m_didCallImplicitClose = false;
|
|
m_frame.document()->setReadyState(Document::Loading);
|
|
|
|
if (m_pendingStateObject) {
|
|
m_frame.document()->statePopped(*m_pendingStateObject);
|
|
m_pendingStateObject = nullptr;
|
|
}
|
|
|
|
if (dispatch)
|
|
dispatchDidClearWindowObjectsInAllWorlds();
|
|
|
|
updateFirstPartyForCookies();
|
|
m_frame.document()->initContentSecurityPolicy();
|
|
|
|
const Settings& settings = m_frame.settings();
|
|
m_frame.document()->cachedResourceLoader().setImagesEnabled(settings.areImagesEnabled());
|
|
m_frame.document()->cachedResourceLoader().setAutoLoadImages(settings.loadsImagesAutomatically());
|
|
|
|
if (m_documentLoader) {
|
|
String dnsPrefetchControl = m_documentLoader->response().httpHeaderField(HTTPHeaderName::XDNSPrefetchControl);
|
|
if (!dnsPrefetchControl.isEmpty())
|
|
m_frame.document()->parseDNSPrefetchControlHeader(dnsPrefetchControl);
|
|
|
|
m_frame.document()->contentSecurityPolicy()->didReceiveHeaders(ContentSecurityPolicyResponseHeaders(m_documentLoader->response()), referrer(), ContentSecurityPolicy::ReportParsingErrors::No);
|
|
|
|
if (m_frame.document()->url().protocolIsInHTTPFamily() || m_frame.document()->url().protocolIsBlob())
|
|
m_frame.document()->setCrossOriginEmbedderPolicy(obtainCrossOriginEmbedderPolicy(m_documentLoader->response(), *m_frame.document()));
|
|
|
|
String referrerPolicy = m_documentLoader->response().httpHeaderField(HTTPHeaderName::ReferrerPolicy);
|
|
if (!referrerPolicy.isNull())
|
|
m_frame.document()->processReferrerPolicy(referrerPolicy, ReferrerPolicySource::HTTPHeader);
|
|
|
|
String headerContentLanguage = m_documentLoader->response().httpHeaderField(HTTPHeaderName::ContentLanguage);
|
|
if (!headerContentLanguage.isEmpty()) {
|
|
size_t commaIndex = headerContentLanguage.find(',');
|
|
headerContentLanguage.truncate(commaIndex); // notFound == -1 == don't truncate
|
|
headerContentLanguage = stripLeadingAndTrailingHTMLSpaces(headerContentLanguage);
|
|
if (!headerContentLanguage.isEmpty())
|
|
m_frame.document()->setContentLanguage(headerContentLanguage);
|
|
}
|
|
|
|
// https://html.spec.whatwg.org/multipage/browsing-the-web.html#initialise-the-document-object (Step 7)
|
|
if (m_frame.isMainFrame())
|
|
m_frame.document()->setCrossOriginOpenerPolicy(m_documentLoader->crossOriginOpenerPolicy());
|
|
}
|
|
|
|
history().restoreDocumentState();
|
|
}
|
|
|
|
void FrameLoader::finishedParsing()
|
|
{
|
|
LOG(Loading, "WebCoreLoading %s: Finished parsing", m_frame.tree().uniqueName().string().utf8().data());
|
|
|
|
m_frame.injectUserScripts(UserScriptInjectionTime::DocumentEnd);
|
|
|
|
if (m_stateMachine.creatingInitialEmptyDocument())
|
|
return;
|
|
|
|
// This can be called from the Frame's destructor, in which case we shouldn't protect ourselves
|
|
// because doing so will cause us to re-enter the destructor when protector goes out of scope.
|
|
// Null-checking the FrameView indicates whether or not we're in the destructor.
|
|
RefPtr<Frame> protector = m_frame.view() ? &m_frame : 0;
|
|
|
|
m_client->dispatchDidFinishDocumentLoad();
|
|
|
|
scrollToFragmentWithParentBoundary(m_frame.document()->url());
|
|
|
|
checkCompleted();
|
|
|
|
if (!m_frame.view())
|
|
return; // We are being destroyed by something checkCompleted called.
|
|
|
|
// Check if the scrollbars are really needed for the content.
|
|
// If not, remove them, relayout, and repaint.
|
|
m_frame.view()->restoreScrollbar();
|
|
}
|
|
|
|
void FrameLoader::loadDone(LoadCompletionType type)
|
|
{
|
|
if (type == LoadCompletionType::Finish)
|
|
checkCompleted();
|
|
else
|
|
scheduleCheckCompleted();
|
|
}
|
|
|
|
void FrameLoader::subresourceLoadDone(LoadCompletionType type)
|
|
{
|
|
if (type == LoadCompletionType::Finish)
|
|
checkLoadComplete();
|
|
else
|
|
scheduleCheckLoadComplete();
|
|
}
|
|
|
|
bool FrameLoader::preventsParentFromBeingComplete(const Frame& frame) const
|
|
{
|
|
return !frame.loader().m_isComplete && (!frame.ownerElement() || !frame.ownerElement()->isLazyLoadObserverActive());
|
|
}
|
|
|
|
bool FrameLoader::allChildrenAreComplete() const
|
|
{
|
|
for (Frame* child = m_frame.tree().firstChild(); child; child = child->tree().nextSibling()) {
|
|
if (preventsParentFromBeingComplete(*child))
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool FrameLoader::allAncestorsAreComplete() const
|
|
{
|
|
for (Frame* ancestor = &m_frame; ancestor; ancestor = ancestor->tree().parent()) {
|
|
if (!ancestor->loader().m_isComplete)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void FrameLoader::checkCompleted()
|
|
{
|
|
RELEASE_ASSERT_WITH_SECURITY_IMPLICATION(ScriptDisallowedScope::InMainThread::isScriptAllowed());
|
|
m_shouldCallCheckCompleted = false;
|
|
|
|
// Have we completed before?
|
|
if (m_isComplete)
|
|
return;
|
|
|
|
// FIXME: It would be better if resource loads were kicked off after render tree update (or didn't complete synchronously).
|
|
// https://bugs.webkit.org/show_bug.cgi?id=171729
|
|
if (m_frame.document()->inRenderTreeUpdate()) {
|
|
scheduleCheckCompleted();
|
|
return;
|
|
}
|
|
|
|
// Are we still parsing?
|
|
if (m_frame.document()->parsing())
|
|
return;
|
|
|
|
// Still waiting for images/scripts?
|
|
if (m_frame.document()->cachedResourceLoader().requestCount())
|
|
return;
|
|
|
|
// Still waiting for elements that don't go through a FrameLoader?
|
|
if (m_frame.document()->isDelayingLoadEvent())
|
|
return;
|
|
|
|
auto* scriptableParser = m_frame.document()->scriptableDocumentParser();
|
|
if (scriptableParser && scriptableParser->hasScriptsWaitingForStylesheets())
|
|
return;
|
|
|
|
// Any frame that hasn't completed yet?
|
|
if (!allChildrenAreComplete())
|
|
return;
|
|
|
|
// Important not to protect earlier in this function, because earlier parts
|
|
// of this function can be called in the frame's destructor, and it's not legal
|
|
// to ref an object while it's being destroyed.
|
|
Ref<Frame> protect(m_frame);
|
|
|
|
// OK, completed.
|
|
m_isComplete = true;
|
|
m_requestedHistoryItem = nullptr;
|
|
m_frame.document()->setReadyState(Document::Complete);
|
|
|
|
checkCallImplicitClose(); // if we didn't do it before
|
|
|
|
m_frame.navigationScheduler().startTimer();
|
|
|
|
completed();
|
|
if (m_frame.page())
|
|
checkLoadComplete();
|
|
}
|
|
|
|
void FrameLoader::checkTimerFired()
|
|
{
|
|
checkCompletenessNow();
|
|
}
|
|
|
|
void FrameLoader::checkCompletenessNow()
|
|
{
|
|
Ref<Frame> protect(m_frame);
|
|
|
|
if (Page* page = m_frame.page()) {
|
|
if (page->defersLoading())
|
|
return;
|
|
}
|
|
if (m_shouldCallCheckCompleted)
|
|
checkCompleted();
|
|
if (m_shouldCallCheckLoadComplete)
|
|
checkLoadComplete();
|
|
}
|
|
|
|
void FrameLoader::startCheckCompleteTimer()
|
|
{
|
|
if (!(m_shouldCallCheckCompleted || m_shouldCallCheckLoadComplete))
|
|
return;
|
|
if (m_checkTimer.isActive())
|
|
return;
|
|
m_checkTimer.startOneShot(0_s);
|
|
}
|
|
|
|
void FrameLoader::scheduleCheckCompleted()
|
|
{
|
|
m_shouldCallCheckCompleted = true;
|
|
startCheckCompleteTimer();
|
|
}
|
|
|
|
void FrameLoader::scheduleCheckLoadComplete()
|
|
{
|
|
m_shouldCallCheckLoadComplete = true;
|
|
startCheckCompleteTimer();
|
|
}
|
|
|
|
void FrameLoader::checkCallImplicitClose()
|
|
{
|
|
if (m_didCallImplicitClose || m_frame.document()->parsing() || m_frame.document()->isDelayingLoadEvent())
|
|
return;
|
|
|
|
if (!allChildrenAreComplete())
|
|
return; // still got a frame running -> too early
|
|
|
|
m_didCallImplicitClose = true;
|
|
m_wasUnloadEventEmitted = false;
|
|
m_frame.document()->implicitClose();
|
|
}
|
|
|
|
void FrameLoader::loadURLIntoChildFrame(const URL& url, const String& referer, Frame* childFrame)
|
|
{
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "loadURLIntoChildFrame: frame load started");
|
|
|
|
ASSERT(childFrame);
|
|
|
|
#if ENABLE(WEB_ARCHIVE) || ENABLE(MHTML)
|
|
if (auto activeLoader = activeDocumentLoader()) {
|
|
if (auto subframeArchive = activeLoader->popArchiveForSubframe(childFrame->tree().uniqueName(), url)) {
|
|
childFrame->loader().loadArchive(RefPtr<Archive> { subframeArchive }.releaseNonNull());
|
|
return;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// If we're moving in the back/forward list, we might want to replace the content
|
|
// of this child frame with whatever was there at that point.
|
|
auto* parentItem = history().currentItem();
|
|
if (parentItem && parentItem->children().size() && isBackForwardLoadType(loadType()) && !m_frame.document()->loadEventFinished()) {
|
|
if (auto* childItem = parentItem->childItemWithTarget(childFrame->tree().uniqueName())) {
|
|
childFrame->loader().m_requestedHistoryItem = childItem;
|
|
childFrame->loader().loadDifferentDocumentItem(*childItem, nullptr, loadType(), MayAttemptCacheOnlyLoadForFormSubmissionItem, ShouldTreatAsContinuingLoad::No);
|
|
return;
|
|
}
|
|
}
|
|
|
|
auto* lexicalFrame = lexicalFrameFromCommonVM();
|
|
auto initiatedByMainFrame = lexicalFrame && lexicalFrame->isMainFrame() ? InitiatedByMainFrame::Yes : InitiatedByMainFrame::Unknown;
|
|
|
|
FrameLoadRequest frameLoadRequest { *m_frame.document(), m_frame.document()->securityOrigin(), { url }, "_self"_s, initiatedByMainFrame };
|
|
frameLoadRequest.setNewFrameOpenerPolicy(NewFrameOpenerPolicy::Suppress);
|
|
frameLoadRequest.setLockBackForwardList(LockBackForwardList::Yes);
|
|
childFrame->loader().loadURL(WTFMove(frameLoadRequest), referer, FrameLoadType::RedirectWithLockedBackForwardList, nullptr, { }, std::nullopt, [] { });
|
|
}
|
|
|
|
#if ENABLE(WEB_ARCHIVE) || ENABLE(MHTML)
|
|
|
|
void FrameLoader::loadArchive(Ref<Archive>&& archive)
|
|
{
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "loadArchive: frame load started");
|
|
|
|
ArchiveResource* mainResource = archive->mainResource();
|
|
ASSERT(mainResource);
|
|
if (!mainResource)
|
|
return;
|
|
|
|
ResourceResponse response(URL(), mainResource->mimeType(), mainResource->data().size(), mainResource->textEncoding());
|
|
SubstituteData substituteData(&mainResource->data(), URL(), response, SubstituteData::SessionHistoryVisibility::Hidden);
|
|
|
|
ResourceRequest request(mainResource->url());
|
|
|
|
auto documentLoader = m_client->createDocumentLoader(request, substituteData);
|
|
documentLoader->setArchive(WTFMove(archive));
|
|
load(documentLoader.get());
|
|
}
|
|
|
|
#endif // ENABLE(WEB_ARCHIVE) || ENABLE(MHTML)
|
|
|
|
String FrameLoader::outgoingReferrer() const
|
|
{
|
|
// See http://www.whatwg.org/specs/web-apps/current-work/#fetching-resources
|
|
// for why we walk the parent chain for srcdoc documents.
|
|
Frame* frame = &m_frame;
|
|
while (frame && frame->document()->isSrcdocDocument()) {
|
|
frame = frame->tree().parent();
|
|
// Srcdoc documents cannot be top-level documents, by definition,
|
|
// because they need to be contained in iframes with the srcdoc.
|
|
ASSERT(frame);
|
|
}
|
|
if (!frame)
|
|
return emptyString();
|
|
return frame->loader().m_outgoingReferrer;
|
|
}
|
|
|
|
String FrameLoader::outgoingOrigin() const
|
|
{
|
|
return m_frame.document()->securityOrigin().toString();
|
|
}
|
|
|
|
bool FrameLoader::checkIfFormActionAllowedByCSP(const URL& url, bool didReceiveRedirectResponse) const
|
|
{
|
|
if (m_submittedFormURL.isEmpty())
|
|
return true;
|
|
|
|
auto redirectResponseReceived = didReceiveRedirectResponse ? ContentSecurityPolicy::RedirectResponseReceived::Yes : ContentSecurityPolicy::RedirectResponseReceived::No;
|
|
return m_frame.document()->contentSecurityPolicy()->allowFormAction(url, redirectResponseReceived);
|
|
}
|
|
|
|
void FrameLoader::setOpener(Frame* opener)
|
|
{
|
|
if (m_opener && !opener)
|
|
m_client->didDisownOpener();
|
|
|
|
if (m_opener) {
|
|
// When setOpener is called in ~FrameLoader, opener's m_frameLoader is already cleared.
|
|
auto& openerFrameLoader = m_opener == &m_frame ? *this : m_opener->loader();
|
|
openerFrameLoader.m_openedFrames.remove(m_frame);
|
|
}
|
|
if (opener) {
|
|
opener->loader().m_openedFrames.add(&m_frame);
|
|
if (auto* page = m_frame.page())
|
|
page->setOpenedByDOMWithOpener(true);
|
|
}
|
|
m_opener = makeWeakPtr(opener);
|
|
|
|
if (m_frame.document())
|
|
m_frame.document()->initSecurityContext();
|
|
}
|
|
|
|
void FrameLoader::provisionalLoadStarted()
|
|
{
|
|
if (m_stateMachine.firstLayoutDone())
|
|
m_stateMachine.advanceTo(FrameLoaderStateMachine::CommittedFirstRealLoad);
|
|
m_frame.navigationScheduler().cancel(NewLoadInProgress::Yes);
|
|
m_client->provisionalLoadStarted();
|
|
|
|
if (m_frame.isMainFrame()) {
|
|
tracePoint(MainResourceLoadDidStartProvisional, PAGE_ID);
|
|
|
|
if (auto* page = m_frame.page())
|
|
page->didStartProvisionalLoad();
|
|
}
|
|
}
|
|
|
|
void FrameLoader::resetMultipleFormSubmissionProtection()
|
|
{
|
|
m_submittedFormURL = URL();
|
|
}
|
|
|
|
void FrameLoader::updateFirstPartyForCookies()
|
|
{
|
|
if (m_frame.tree().parent())
|
|
setFirstPartyForCookies(m_frame.tree().parent()->document()->firstPartyForCookies());
|
|
else
|
|
setFirstPartyForCookies(m_frame.document()->url());
|
|
}
|
|
|
|
void FrameLoader::setFirstPartyForCookies(const URL& url)
|
|
{
|
|
for (Frame* frame = &m_frame; frame; frame = frame->tree().traverseNext(&m_frame))
|
|
frame->document()->setFirstPartyForCookies(url);
|
|
|
|
RegistrableDomain registrableDomain(url);
|
|
for (Frame* frame = &m_frame; frame; frame = frame->tree().traverseNext(&m_frame)) {
|
|
if (SecurityPolicy::shouldInheritSecurityOriginFromOwner(frame->document()->url()) || registrableDomain.matches(frame->document()->url()))
|
|
frame->document()->setSiteForCookies(url);
|
|
}
|
|
}
|
|
|
|
// This does the same kind of work that didOpenURL does, except it relies on the fact
|
|
// that a higher level already checked that the URLs match and the scrolling is the right thing to do.
|
|
void FrameLoader::loadInSameDocument(const URL& url, SerializedScriptValue* stateObject, bool isNewNavigation)
|
|
{
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "loadInSameDocument: frame load started");
|
|
|
|
// If we have a state object, we cannot also be a new navigation.
|
|
ASSERT(!stateObject || (stateObject && !isNewNavigation));
|
|
|
|
// Update the data source's request with the new URL to fake the URL change
|
|
URL oldURL = m_frame.document()->url();
|
|
m_frame.document()->setURL(url);
|
|
setOutgoingReferrer(url);
|
|
documentLoader()->replaceRequestURLForSameDocumentNavigation(url);
|
|
if (isNewNavigation && !shouldTreatURLAsSameAsCurrent(url) && !stateObject) {
|
|
// NB: must happen after replaceRequestURLForSameDocumentNavigation(), since we add
|
|
// based on the current request. Must also happen before we openURL and displace the
|
|
// scroll position, since adding the BF item will save away scroll state.
|
|
|
|
// NB2: If we were loading a long, slow doc, and the user fragment navigated before
|
|
// it was done, currItem is now set the that slow doc, and prevItem is whatever was
|
|
// before it. Adding the b/f item will bump the slow doc down to prevItem, even
|
|
// though its load is not yet done. I think this all works out OK, for one because
|
|
// we have already saved away the scroll and doc state for the long slow load,
|
|
// but it's not an obvious case.
|
|
|
|
history().updateBackForwardListForFragmentScroll();
|
|
}
|
|
|
|
bool hashChange = equalIgnoringFragmentIdentifier(url, oldURL) && !equalRespectingNullity(url.fragmentIdentifier(), oldURL.fragmentIdentifier());
|
|
|
|
history().updateForSameDocumentNavigation();
|
|
|
|
// If we were in the autoscroll/panScroll mode we want to stop it before following the link to the anchor
|
|
if (hashChange)
|
|
m_frame.eventHandler().stopAutoscrollTimer();
|
|
|
|
// It's important to model this as a load that starts and immediately finishes.
|
|
// Otherwise, the parent frame may think we never finished loading.
|
|
started();
|
|
|
|
if (auto* ownerElement = m_frame.ownerElement()) {
|
|
auto* ownerRenderer = ownerElement->renderer();
|
|
auto* view = m_frame.view();
|
|
if (is<RenderWidget>(ownerRenderer) && view)
|
|
downcast<RenderWidget>(*ownerRenderer).setWidget(view);
|
|
}
|
|
|
|
// We need to scroll to the fragment whether or not a hash change occurred, since
|
|
// the user might have scrolled since the previous navigation.
|
|
scrollToFragmentWithParentBoundary(url, isNewNavigation);
|
|
|
|
m_isComplete = false;
|
|
checkCompleted();
|
|
|
|
if (isNewNavigation) {
|
|
// This will clear previousItem from the rest of the frame tree that didn't
|
|
// doing any loading. We need to make a pass on this now, since for fragment
|
|
// navigation we'll not go through a real load and reach Completed state.
|
|
checkLoadComplete();
|
|
}
|
|
|
|
m_client->dispatchDidNavigateWithinPage();
|
|
|
|
m_frame.document()->statePopped(stateObject ? Ref<SerializedScriptValue> { *stateObject } : SerializedScriptValue::nullValue());
|
|
m_client->dispatchDidPopStateWithinPage();
|
|
|
|
if (hashChange) {
|
|
m_frame.document()->enqueueHashchangeEvent(oldURL.string(), url.string());
|
|
m_client->dispatchDidChangeLocationWithinPage();
|
|
}
|
|
|
|
// FrameLoaderClient::didFinishLoad() tells the internal load delegate the load finished with no error
|
|
m_client->didFinishLoad();
|
|
}
|
|
|
|
bool FrameLoader::isComplete() const
|
|
{
|
|
return m_isComplete;
|
|
}
|
|
|
|
void FrameLoader::completed()
|
|
{
|
|
Ref<Frame> protect(m_frame);
|
|
|
|
for (Frame* descendant = m_frame.tree().traverseNext(&m_frame); descendant; descendant = descendant->tree().traverseNext(&m_frame))
|
|
descendant->navigationScheduler().startTimer();
|
|
|
|
if (Frame* parent = m_frame.tree().parent())
|
|
parent->loader().checkCompleted();
|
|
|
|
if (m_frame.view())
|
|
m_frame.view()->maintainScrollPositionAtAnchor(nullptr);
|
|
}
|
|
|
|
void FrameLoader::started()
|
|
{
|
|
for (Frame* frame = &m_frame; frame; frame = frame->tree().parent())
|
|
frame->loader().m_isComplete = false;
|
|
}
|
|
|
|
void FrameLoader::prepareForLoadStart()
|
|
{
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "prepareForLoadStart: Starting frame load");
|
|
|
|
m_progressTracker->progressStarted();
|
|
m_client->dispatchDidStartProvisionalLoad();
|
|
|
|
if (AXObjectCache::accessibilityEnabled()) {
|
|
if (AXObjectCache* cache = m_frame.document()->existingAXObjectCache()) {
|
|
AXObjectCache::AXLoadingEvent loadingEvent = loadType() == FrameLoadType::Reload ? AXObjectCache::AXLoadingReloaded : AXObjectCache::AXLoadingStarted;
|
|
cache->frameLoadingEventNotification(&m_frame, loadingEvent);
|
|
}
|
|
}
|
|
}
|
|
|
|
void FrameLoader::setupForReplace()
|
|
{
|
|
m_client->revertToProvisionalState(m_documentLoader.get());
|
|
setState(FrameState::Provisional);
|
|
m_provisionalDocumentLoader = m_documentLoader;
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "setupForReplace: Setting provisional document loader (m_provisionalDocumentLoader=%p)", m_provisionalDocumentLoader.get());
|
|
m_documentLoader = nullptr;
|
|
detachChildren();
|
|
}
|
|
|
|
void FrameLoader::loadFrameRequest(FrameLoadRequest&& request, Event* event, RefPtr<FormState>&& formState, std::optional<PrivateClickMeasurement>&& privateClickMeasurement)
|
|
{
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "loadFrameRequest: frame load started");
|
|
|
|
// Protect frame from getting blown away inside dispatchBeforeLoadEvent in loadWithDocumentLoader.
|
|
auto protectFrame = makeRef(m_frame);
|
|
|
|
URL url = request.resourceRequest().url();
|
|
|
|
ASSERT(m_frame.document());
|
|
if (!request.requesterSecurityOrigin().canDisplay(url)) {
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "loadFrameRequest: canceling - Not allowed to load local resource");
|
|
reportLocalLoadFailed(&m_frame, url.stringCenterEllipsizedToLength());
|
|
return;
|
|
}
|
|
|
|
if (!portAllowed(url)) {
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "loadFrameRequest: canceling - port not allowed");
|
|
reportBlockedLoadFailed(m_frame, url);
|
|
return;
|
|
}
|
|
|
|
String argsReferrer = request.resourceRequest().httpReferrer();
|
|
if (argsReferrer.isEmpty())
|
|
argsReferrer = outgoingReferrer();
|
|
|
|
ReferrerPolicy referrerPolicy = request.referrerPolicy();
|
|
if (referrerPolicy == ReferrerPolicy::EmptyString)
|
|
referrerPolicy = m_frame.document()->referrerPolicy();
|
|
String referrer = SecurityPolicy::generateReferrerHeader(referrerPolicy, url, argsReferrer);
|
|
|
|
FrameLoadType loadType;
|
|
if (request.resourceRequest().cachePolicy() == ResourceRequestCachePolicy::ReloadIgnoringCacheData)
|
|
loadType = FrameLoadType::Reload;
|
|
else if (request.lockBackForwardList() == LockBackForwardList::Yes)
|
|
loadType = FrameLoadType::RedirectWithLockedBackForwardList;
|
|
else
|
|
loadType = FrameLoadType::Standard;
|
|
|
|
auto completionHandler = [this, protectedFrame = makeRef(m_frame), formState = makeWeakPtr(formState.get()), frameName = request.frameName()] {
|
|
// FIXME: It's possible this targetFrame will not be the same frame that was targeted by the actual
|
|
// load if frame names have changed.
|
|
Frame* sourceFrame = formState ? formState->sourceDocument().frame() : &m_frame;
|
|
if (!sourceFrame)
|
|
sourceFrame = &m_frame;
|
|
Frame* targetFrame = sourceFrame->loader().findFrameForNavigation(frameName);
|
|
if (targetFrame && targetFrame != sourceFrame) {
|
|
if (Page* page = targetFrame->page())
|
|
page->chrome().focus();
|
|
}
|
|
};
|
|
|
|
if (request.resourceRequest().httpMethod() == "POST")
|
|
loadPostRequest(WTFMove(request), referrer, loadType, event, WTFMove(formState), WTFMove(completionHandler));
|
|
else
|
|
loadURL(WTFMove(request), referrer, loadType, event, WTFMove(formState), WTFMove(privateClickMeasurement), WTFMove(completionHandler));
|
|
}
|
|
|
|
static ShouldOpenExternalURLsPolicy shouldOpenExternalURLsPolicyToApply(Frame& currentFrame, InitiatedByMainFrame initiatedByMainFrame, ShouldOpenExternalURLsPolicy propagatedPolicy)
|
|
{
|
|
if (UserGestureIndicator::processingUserGesture())
|
|
return ShouldOpenExternalURLsPolicy::ShouldAllow;
|
|
|
|
if (initiatedByMainFrame == InitiatedByMainFrame::Yes)
|
|
return propagatedPolicy;
|
|
|
|
if (!currentFrame.isMainFrame())
|
|
return ShouldOpenExternalURLsPolicy::ShouldNotAllow;
|
|
|
|
return propagatedPolicy;
|
|
}
|
|
|
|
static ShouldOpenExternalURLsPolicy shouldOpenExternalURLsPolicyToApply(Frame& currentFrame, const FrameLoadRequest& frameLoadRequest)
|
|
{
|
|
return shouldOpenExternalURLsPolicyToApply(currentFrame, frameLoadRequest.initiatedByMainFrame(), frameLoadRequest.shouldOpenExternalURLsPolicy());
|
|
}
|
|
|
|
static void applyShouldOpenExternalURLsPolicyToNewDocumentLoader(Frame& frame, DocumentLoader& documentLoader, InitiatedByMainFrame initiatedByMainFrame, ShouldOpenExternalURLsPolicy propagatedPolicy)
|
|
{
|
|
documentLoader.setShouldOpenExternalURLsPolicy(shouldOpenExternalURLsPolicyToApply(frame, initiatedByMainFrame, propagatedPolicy));
|
|
}
|
|
|
|
static void applyShouldOpenExternalURLsPolicyToNewDocumentLoader(Frame& frame, DocumentLoader& documentLoader, const FrameLoadRequest& frameLoadRequest)
|
|
{
|
|
documentLoader.setShouldOpenExternalURLsPolicy(shouldOpenExternalURLsPolicyToApply(frame, frameLoadRequest));
|
|
}
|
|
|
|
bool FrameLoader::isNavigationAllowed() const
|
|
{
|
|
return m_pageDismissalEventBeingDispatched == PageDismissalType::None && !m_frame.script().willReplaceWithResultOfExecutingJavascriptURL() && NavigationDisabler::isNavigationAllowed(m_frame);
|
|
}
|
|
|
|
bool FrameLoader::isStopLoadingAllowed() const
|
|
{
|
|
return m_pageDismissalEventBeingDispatched == PageDismissalType::None;
|
|
}
|
|
|
|
void FrameLoader::loadURL(FrameLoadRequest&& frameLoadRequest, const String& referrer, FrameLoadType newLoadType, Event* event, RefPtr<FormState>&& formState, std::optional<PrivateClickMeasurement>&& privateClickMeasurement, CompletionHandler<void()>&& completionHandler)
|
|
{
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "loadURL: frame load started");
|
|
ASSERT(frameLoadRequest.resourceRequest().httpMethod() == "GET");
|
|
|
|
CompletionHandlerCallingScope completionHandlerCaller(WTFMove(completionHandler));
|
|
if (m_inStopAllLoaders || m_inClearProvisionalLoadForPolicyCheck)
|
|
return;
|
|
|
|
Ref<Frame> protect(m_frame);
|
|
|
|
// Anchor target is ignored when the download attribute is set since it will download the hyperlink rather than follow it.
|
|
String effectiveFrameName = frameLoadRequest.downloadAttribute().isNull() ? frameLoadRequest.frameName() : String();
|
|
bool isFormSubmission = formState;
|
|
|
|
// The search for a target frame is done earlier in the case of form submission.
|
|
auto targetFrame = isFormSubmission ? nullptr : makeRefPtr(findFrameForNavigation(effectiveFrameName));
|
|
if (targetFrame && targetFrame != &m_frame) {
|
|
frameLoadRequest.setFrameName("_self");
|
|
targetFrame->loader().loadURL(WTFMove(frameLoadRequest), referrer, newLoadType, event, WTFMove(formState), WTFMove(privateClickMeasurement), completionHandlerCaller.release());
|
|
return;
|
|
}
|
|
|
|
const URL& newURL = frameLoadRequest.resourceRequest().url();
|
|
ResourceRequest request(newURL);
|
|
if (!referrer.isEmpty())
|
|
request.setHTTPReferrer(referrer);
|
|
|
|
updateRequestAndAddExtraFields(request, IsMainResource::Yes, newLoadType);
|
|
|
|
ASSERT(newLoadType != FrameLoadType::Same);
|
|
|
|
if (!isNavigationAllowed())
|
|
return;
|
|
|
|
NavigationAction action { frameLoadRequest.requester(), request, frameLoadRequest.initiatedByMainFrame(), newLoadType, isFormSubmission, event, frameLoadRequest.shouldOpenExternalURLsPolicy(), frameLoadRequest.downloadAttribute() };
|
|
action.setLockHistory(frameLoadRequest.lockHistory());
|
|
action.setLockBackForwardList(frameLoadRequest.lockBackForwardList());
|
|
if (privateClickMeasurement && m_frame.isMainFrame())
|
|
action.setPrivateClickMeasurement(WTFMove(*privateClickMeasurement));
|
|
|
|
NewFrameOpenerPolicy openerPolicy = frameLoadRequest.newFrameOpenerPolicy();
|
|
AllowNavigationToInvalidURL allowNavigationToInvalidURL = frameLoadRequest.allowNavigationToInvalidURL();
|
|
if (!targetFrame && !effectiveFrameName.isEmpty()) {
|
|
action = action.copyWithShouldOpenExternalURLsPolicy(shouldOpenExternalURLsPolicyToApply(m_frame, frameLoadRequest));
|
|
|
|
// https://html.spec.whatwg.org/#the-rules-for-choosing-a-browsing-context-given-a-browsing-context-name (Step 8.2)
|
|
if (frameLoadRequest.requester().shouldForceNoOpenerBasedOnCOOP()) {
|
|
effectiveFrameName = "_blank"_s;
|
|
openerPolicy = NewFrameOpenerPolicy::Suppress;
|
|
}
|
|
|
|
policyChecker().checkNewWindowPolicy(WTFMove(action), WTFMove(request), WTFMove(formState), effectiveFrameName, [this, allowNavigationToInvalidURL, openerPolicy, completionHandler = completionHandlerCaller.release()] (const ResourceRequest& request, WeakPtr<FormState>&& formState, const String& frameName, const NavigationAction& action, ShouldContinuePolicyCheck shouldContinue) mutable {
|
|
continueLoadAfterNewWindowPolicy(request, formState.get(), frameName, action, shouldContinue, allowNavigationToInvalidURL, openerPolicy);
|
|
completionHandler();
|
|
});
|
|
return;
|
|
}
|
|
|
|
RefPtr<DocumentLoader> oldDocumentLoader = m_documentLoader;
|
|
|
|
bool sameURL = shouldTreatURLAsSameAsCurrent(newURL);
|
|
const String& httpMethod = request.httpMethod();
|
|
|
|
// Make sure to do scroll to fragment processing even if the URL is
|
|
// exactly the same so pages with '#' links and DHTML side effects
|
|
// work properly.
|
|
if (shouldPerformFragmentNavigation(isFormSubmission, httpMethod, newLoadType, newURL)) {
|
|
oldDocumentLoader->setTriggeringAction(WTFMove(action));
|
|
oldDocumentLoader->setLastCheckedRequest(ResourceRequest());
|
|
policyChecker().stopCheck();
|
|
policyChecker().setLoadType(newLoadType);
|
|
RELEASE_ASSERT(!isBackForwardLoadType(newLoadType) || history().provisionalItem());
|
|
policyChecker().checkNavigationPolicy(WTFMove(request), ResourceResponse { } /* redirectResponse */, oldDocumentLoader.get(), WTFMove(formState), [this, protectedFrame = makeRef(m_frame)] (const ResourceRequest& request, WeakPtr<FormState>&&, NavigationPolicyDecision navigationPolicyDecision) {
|
|
continueFragmentScrollAfterNavigationPolicy(request, navigationPolicyDecision == NavigationPolicyDecision::ContinueLoad);
|
|
}, PolicyDecisionMode::Synchronous);
|
|
return;
|
|
}
|
|
|
|
// Must grab this now, since this load may stop the previous load and clear this flag.
|
|
bool isRedirect = m_quickRedirectComing;
|
|
#if USE(SYSTEM_PREVIEW)
|
|
bool isSystemPreview = frameLoadRequest.isSystemPreview();
|
|
if (isSystemPreview)
|
|
request.setSystemPreviewInfo(frameLoadRequest.systemPreviewInfo());
|
|
#endif
|
|
loadWithNavigationAction(request, WTFMove(action), newLoadType, WTFMove(formState), allowNavigationToInvalidURL, [this, isRedirect, sameURL, newLoadType, protectedFrame = makeRef(m_frame), completionHandler = completionHandlerCaller.release()] () mutable {
|
|
if (isRedirect) {
|
|
m_quickRedirectComing = false;
|
|
if (m_provisionalDocumentLoader)
|
|
m_provisionalDocumentLoader->setIsClientRedirect(true);
|
|
else if (m_policyDocumentLoader)
|
|
m_policyDocumentLoader->setIsClientRedirect(true);
|
|
} else if (sameURL && !isReload(newLoadType)) {
|
|
// Example of this case are sites that reload the same URL with a different cookie
|
|
// driving the generated content, or a master frame with links that drive a target
|
|
// frame, where the user has clicked on the same link repeatedly.
|
|
m_loadType = FrameLoadType::Same;
|
|
}
|
|
completionHandler();
|
|
});
|
|
}
|
|
|
|
SubstituteData FrameLoader::defaultSubstituteDataForURL(const URL& url)
|
|
{
|
|
if (!shouldTreatURLAsSrcdocDocument(url))
|
|
return SubstituteData();
|
|
auto& srcdoc = m_frame.ownerElement()->attributeWithoutSynchronization(srcdocAttr);
|
|
ASSERT(!srcdoc.isNull());
|
|
CString encodedSrcdoc = srcdoc.string().utf8();
|
|
|
|
ResourceResponse response(URL(), "text/html"_s, encodedSrcdoc.length(), "UTF-8"_s);
|
|
return SubstituteData(SharedBuffer::create(encodedSrcdoc.data(), encodedSrcdoc.length()), URL(), response, SubstituteData::SessionHistoryVisibility::Hidden);
|
|
}
|
|
|
|
void FrameLoader::load(FrameLoadRequest&& request)
|
|
{
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "load (FrameLoadRequest): frame load started");
|
|
|
|
if (m_inStopAllLoaders || m_inClearProvisionalLoadForPolicyCheck)
|
|
return;
|
|
|
|
if (!request.frameName().isEmpty()) {
|
|
Frame* frame = findFrameForNavigation(request.frameName());
|
|
if (frame) {
|
|
request.setShouldCheckNewWindowPolicy(false);
|
|
if (&frame->loader() != this) {
|
|
frame->loader().load(WTFMove(request));
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (request.shouldCheckNewWindowPolicy()) {
|
|
NavigationAction action { request.requester(), request.resourceRequest(), InitiatedByMainFrame::Unknown, NavigationType::Other, request.shouldOpenExternalURLsPolicy() };
|
|
policyChecker().checkNewWindowPolicy(WTFMove(action), WTFMove(request.resourceRequest()), { }, request.frameName(), [this] (const ResourceRequest& request, WeakPtr<FormState>&& formState, const String& frameName, const NavigationAction& action, ShouldContinuePolicyCheck shouldContinue) {
|
|
continueLoadAfterNewWindowPolicy(request, formState.get(), frameName, action, shouldContinue, AllowNavigationToInvalidURL::Yes, NewFrameOpenerPolicy::Suppress);
|
|
});
|
|
|
|
return;
|
|
}
|
|
|
|
if (!request.hasSubstituteData())
|
|
request.setSubstituteData(defaultSubstituteDataForURL(request.resourceRequest().url()));
|
|
|
|
Ref<DocumentLoader> loader = m_client->createDocumentLoader(request.resourceRequest(), request.substituteData());
|
|
loader->setAllowsWebArchiveForMainFrame(request.isRequestFromClientOrUserInput());
|
|
loader->setAllowsDataURLsForMainFrame(request.isRequestFromClientOrUserInput());
|
|
addSameSiteInfoToRequestIfNeeded(loader->request());
|
|
applyShouldOpenExternalURLsPolicyToNewDocumentLoader(m_frame, loader, request);
|
|
|
|
if (request.shouldTreatAsContinuingLoad()) {
|
|
loader->setClientRedirectSourceForHistory(request.clientRedirectSourceForHistory());
|
|
if (request.lockBackForwardList() == LockBackForwardList::Yes) {
|
|
loader->setIsClientRedirect(true);
|
|
m_loadType = FrameLoadType::RedirectWithLockedBackForwardList;
|
|
}
|
|
}
|
|
|
|
SetForScope<LoadContinuingState> continuingLoadGuard(m_currentLoadContinuingState, request.shouldTreatAsContinuingLoad() ? LoadContinuingState::ContinuingWithRequest : LoadContinuingState::NotContinuing);
|
|
load(loader.get());
|
|
}
|
|
|
|
void FrameLoader::loadWithNavigationAction(const ResourceRequest& request, NavigationAction&& action, FrameLoadType type, RefPtr<FormState>&& formState, AllowNavigationToInvalidURL allowNavigationToInvalidURL, CompletionHandler<void()>&& completionHandler)
|
|
{
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "loadWithNavigationAction: frame load started");
|
|
|
|
Ref<DocumentLoader> loader = m_client->createDocumentLoader(request, defaultSubstituteDataForURL(request.url()));
|
|
applyShouldOpenExternalURLsPolicyToNewDocumentLoader(m_frame, loader, action.initiatedByMainFrame(), action.shouldOpenExternalURLsPolicy());
|
|
|
|
if (action.lockHistory() == LockHistory::Yes && m_documentLoader)
|
|
loader->setClientRedirectSourceForHistory(m_documentLoader->didCreateGlobalHistoryEntry() ? m_documentLoader->urlForHistory().string() : m_documentLoader->clientRedirectSourceForHistory());
|
|
|
|
loader->setTriggeringAction(WTFMove(action));
|
|
if (m_documentLoader)
|
|
loader->setOverrideEncoding(m_documentLoader->overrideEncoding());
|
|
|
|
loadWithDocumentLoader(loader.ptr(), type, WTFMove(formState), allowNavigationToInvalidURL, WTFMove(completionHandler));
|
|
}
|
|
|
|
void FrameLoader::load(DocumentLoader& newDocumentLoader)
|
|
{
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "load (DocumentLoader): frame load started");
|
|
|
|
ResourceRequest& r = newDocumentLoader.request();
|
|
// FIXME: Using m_loadType seems wrong here.
|
|
// If we are only preparing to load the main resource, that is previous load's load type!
|
|
updateRequestAndAddExtraFields(r, IsMainResource::Yes, m_loadType, ShouldUpdateAppInitiatedValue::No);
|
|
FrameLoadType type;
|
|
|
|
if (shouldTreatURLAsSameAsCurrent(newDocumentLoader.originalRequest().url())) {
|
|
r.setCachePolicy(ResourceRequestCachePolicy::ReloadIgnoringCacheData);
|
|
type = FrameLoadType::Same;
|
|
} else if (shouldTreatURLAsSameAsCurrent(newDocumentLoader.unreachableURL()) && isReload(m_loadType))
|
|
type = m_loadType;
|
|
else if (m_loadType == FrameLoadType::RedirectWithLockedBackForwardList && ((!newDocumentLoader.unreachableURL().isEmpty() && newDocumentLoader.substituteData().isValid()) || shouldTreatCurrentLoadAsContinuingLoad()))
|
|
type = FrameLoadType::RedirectWithLockedBackForwardList;
|
|
else
|
|
type = FrameLoadType::Standard;
|
|
|
|
if (m_documentLoader)
|
|
newDocumentLoader.setOverrideEncoding(m_documentLoader->overrideEncoding());
|
|
|
|
// When we loading alternate content for an unreachable URL that we're
|
|
// visiting in the history list, we treat it as a reload so the history list
|
|
// is appropriately maintained.
|
|
//
|
|
// FIXME: This seems like a dangerous overloading of the meaning of "FrameLoadType::Reload" ...
|
|
// shouldn't a more explicit type of reload be defined, that means roughly
|
|
// "load without affecting history" ?
|
|
if (shouldReloadToHandleUnreachableURL(newDocumentLoader)) {
|
|
// shouldReloadToHandleUnreachableURL returns true only when the original load type is back-forward.
|
|
// In this case we should save the document state now. Otherwise the state can be lost because load type is
|
|
// changed and updateForBackForwardNavigation() will not be called when loading is committed.
|
|
history().saveDocumentAndScrollState();
|
|
|
|
ASSERT(type == FrameLoadType::Standard);
|
|
type = FrameLoadType::Reload;
|
|
}
|
|
|
|
loadWithDocumentLoader(&newDocumentLoader, type, nullptr, AllowNavigationToInvalidURL::Yes);
|
|
}
|
|
|
|
void FrameLoader::loadWithDocumentLoader(DocumentLoader* loader, FrameLoadType type, RefPtr<FormState>&& formState, AllowNavigationToInvalidURL allowNavigationToInvalidURL, CompletionHandler<void()>&& completionHandler)
|
|
{
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "loadWithDocumentLoader: frame load started");
|
|
|
|
// Retain because dispatchBeforeLoadEvent may release the last reference to it.
|
|
Ref<Frame> protect(m_frame);
|
|
|
|
CompletionHandlerCallingScope completionHandlerCaller(WTFMove(completionHandler));
|
|
|
|
ASSERT(m_client->hasWebView());
|
|
|
|
// Unfortunately the view must be non-nil, this is ultimately due
|
|
// to parser requiring a FrameView. We should fix this dependency.
|
|
|
|
ASSERT(m_frame.view());
|
|
|
|
if (!isNavigationAllowed())
|
|
return;
|
|
|
|
if (m_frame.document())
|
|
m_previousURL = m_frame.document()->url();
|
|
|
|
const URL& newURL = loader->request().url();
|
|
|
|
// Only the first iframe navigation or the first iframe navigation after about:blank should be reported.
|
|
// https://www.w3.org/TR/resource-timing-2/#resources-included-in-the-performanceresourcetiming-interface
|
|
if (m_shouldReportResourceTimingToParentFrame && !m_previousURL.isNull() && m_previousURL != aboutBlankURL())
|
|
m_shouldReportResourceTimingToParentFrame = false;
|
|
|
|
// Log main frame navigation types.
|
|
if (m_frame.isMainFrame()) {
|
|
if (auto* page = m_frame.page()) {
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "loadWithDocumentLoader: main frame load started");
|
|
page->mainFrameLoadStarted(newURL, type);
|
|
page->performanceLogging().didReachPointOfInterest(PerformanceLogging::MainFrameLoadStarted);
|
|
}
|
|
}
|
|
|
|
policyChecker().setLoadType(type);
|
|
RELEASE_ASSERT(!isBackForwardLoadType(type) || history().provisionalItem());
|
|
bool isFormSubmission = formState;
|
|
|
|
const String& httpMethod = loader->request().httpMethod();
|
|
|
|
if (shouldPerformFragmentNavigation(isFormSubmission, httpMethod, policyChecker().loadType(), newURL)) {
|
|
RefPtr<DocumentLoader> oldDocumentLoader = m_documentLoader;
|
|
NavigationAction action { *m_frame.document(), loader->request(), InitiatedByMainFrame::Unknown, policyChecker().loadType(), isFormSubmission };
|
|
|
|
oldDocumentLoader->setTriggeringAction(WTFMove(action));
|
|
oldDocumentLoader->setLastCheckedRequest(ResourceRequest());
|
|
policyChecker().stopCheck();
|
|
RELEASE_ASSERT(!isBackForwardLoadType(policyChecker().loadType()) || history().provisionalItem());
|
|
policyChecker().checkNavigationPolicy(ResourceRequest(loader->request()), ResourceResponse { } /* redirectResponse */, oldDocumentLoader.get(), WTFMove(formState), [this, protectedFrame = makeRef(m_frame)] (const ResourceRequest& request, WeakPtr<FormState>&&, NavigationPolicyDecision navigationPolicyDecision) {
|
|
continueFragmentScrollAfterNavigationPolicy(request, navigationPolicyDecision == NavigationPolicyDecision::ContinueLoad);
|
|
}, PolicyDecisionMode::Synchronous);
|
|
return;
|
|
}
|
|
|
|
if (Frame* parent = m_frame.tree().parent())
|
|
loader->setOverrideEncoding(parent->loader().documentLoader()->overrideEncoding());
|
|
|
|
policyChecker().stopCheck();
|
|
setPolicyDocumentLoader(loader);
|
|
if (loader->triggeringAction().isEmpty())
|
|
loader->setTriggeringAction({ *m_frame.document(), loader->request(), InitiatedByMainFrame::Unknown, policyChecker().loadType(), isFormSubmission });
|
|
|
|
if (Element* ownerElement = m_frame.ownerElement()) {
|
|
// We skip dispatching the beforeload event if we've already
|
|
// committed a real document load because the event would leak
|
|
// subsequent activity by the frame which the parent frame isn't
|
|
// supposed to learn. For example, if the child frame navigated to
|
|
// a new URL, the parent frame shouldn't learn the URL.
|
|
if (!m_stateMachine.committedFirstRealDocumentLoad()
|
|
&& !ownerElement->dispatchBeforeLoadEvent(loader->request().url().string())) {
|
|
continueLoadAfterNavigationPolicy(loader->request(), formState.get(), NavigationPolicyDecision::IgnoreLoad, allowNavigationToInvalidURL);
|
|
return;
|
|
}
|
|
}
|
|
|
|
m_frame.navigationScheduler().cancel(NewLoadInProgress::Yes);
|
|
|
|
if (shouldTreatCurrentLoadAsContinuingLoad()) {
|
|
continueLoadAfterNavigationPolicy(loader->request(), formState.get(), NavigationPolicyDecision::ContinueLoad, allowNavigationToInvalidURL);
|
|
return;
|
|
}
|
|
|
|
RELEASE_ASSERT(!isBackForwardLoadType(policyChecker().loadType()) || history().provisionalItem());
|
|
policyChecker().checkNavigationPolicy(ResourceRequest(loader->request()), ResourceResponse { } /* redirectResponse */, loader, WTFMove(formState), [this, protectedFrame = makeRef(m_frame), allowNavigationToInvalidURL, completionHandler = completionHandlerCaller.release()] (const ResourceRequest& request, WeakPtr<FormState>&& formState, NavigationPolicyDecision navigationPolicyDecision) mutable {
|
|
continueLoadAfterNavigationPolicy(request, formState.get(), navigationPolicyDecision, allowNavigationToInvalidURL);
|
|
completionHandler();
|
|
}, PolicyDecisionMode::Asynchronous);
|
|
}
|
|
|
|
void FrameLoader::clearProvisionalLoadForPolicyCheck()
|
|
{
|
|
if (!m_policyDocumentLoader || !m_provisionalDocumentLoader || m_inClearProvisionalLoadForPolicyCheck)
|
|
return;
|
|
|
|
SetForScope<bool> change(m_inClearProvisionalLoadForPolicyCheck, true);
|
|
m_provisionalDocumentLoader->stopLoading();
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "clearProvisionalLoadForPolicyCheck: Clearing provisional document loader (m_provisionalDocumentLoader=%p)", m_provisionalDocumentLoader.get());
|
|
setProvisionalDocumentLoader(nullptr);
|
|
}
|
|
|
|
bool FrameLoader::hasOpenedFrames() const
|
|
{
|
|
return !m_openedFrames.computesEmpty();
|
|
}
|
|
|
|
void FrameLoader::reportLocalLoadFailed(Frame* frame, const String& url)
|
|
{
|
|
ASSERT(!url.isEmpty());
|
|
if (!frame)
|
|
return;
|
|
|
|
frame->document()->addConsoleMessage(MessageSource::Security, MessageLevel::Error, "Not allowed to load local resource: " + url);
|
|
}
|
|
|
|
void FrameLoader::reportBlockedLoadFailed(Frame& frame, const URL& url)
|
|
{
|
|
ASSERT(!url.isEmpty());
|
|
auto message = makeString("Not allowed to use restricted network port ", url.port().value(), ": ", url.stringCenterEllipsizedToLength());
|
|
frame.document()->addConsoleMessage(MessageSource::Security, MessageLevel::Error, message);
|
|
}
|
|
|
|
bool FrameLoader::willLoadMediaElementURL(URL& url, Node& initiatorNode)
|
|
{
|
|
#if PLATFORM(IOS_FAMILY)
|
|
// MobileStore depends on the iOS 4.0 era client delegate method because webView:resource:willSendRequest:redirectResponse:fromDataSource
|
|
// doesn't let them tell when a load request is coming from a media element. See <rdar://problem/8266916> for more details.
|
|
if (IOSApplication::isMobileStore())
|
|
return m_client->shouldLoadMediaElementURL(url);
|
|
#endif
|
|
|
|
ResourceRequest request(url);
|
|
request.setInspectorInitiatorNodeIdentifier(InspectorInstrumentation::identifierForNode(initiatorNode));
|
|
|
|
unsigned long identifier;
|
|
ResourceError error;
|
|
requestFromDelegate(request, identifier, error);
|
|
notifier().sendRemainingDelegateMessages(m_documentLoader.get(), identifier, request, ResourceResponse(url, String(), -1, String()), 0, -1, -1, error);
|
|
|
|
url = request.url();
|
|
|
|
return error.isNull();
|
|
}
|
|
|
|
bool FrameLoader::shouldReloadToHandleUnreachableURL(DocumentLoader& docLoader)
|
|
{
|
|
URL unreachableURL = docLoader.unreachableURL();
|
|
|
|
if (unreachableURL.isEmpty())
|
|
return false;
|
|
|
|
if (!isBackForwardLoadType(policyChecker().loadType()))
|
|
return false;
|
|
|
|
// We only treat unreachableURLs specially during the delegate callbacks
|
|
// for provisional load errors and navigation policy decisions. The former
|
|
// case handles well-formed URLs that can't be loaded, and the latter
|
|
// case handles malformed URLs and unknown schemes. Loading alternate content
|
|
// at other times behaves like a standard load.
|
|
if (policyChecker().delegateIsDecidingNavigationPolicy() || policyChecker().delegateIsHandlingUnimplementablePolicy())
|
|
return m_policyDocumentLoader && unreachableURL == m_policyDocumentLoader->request().url();
|
|
|
|
return unreachableURL == m_provisionalLoadErrorBeingHandledURL;
|
|
}
|
|
|
|
void FrameLoader::reloadWithOverrideEncoding(const String& encoding)
|
|
{
|
|
if (!m_documentLoader)
|
|
return;
|
|
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "reloadWithOverrideEncoding: frame load started");
|
|
|
|
ResourceRequest request = m_documentLoader->request();
|
|
URL unreachableURL = m_documentLoader->unreachableURL();
|
|
if (!unreachableURL.isEmpty())
|
|
request.setURL(unreachableURL);
|
|
|
|
// FIXME: If the resource is a result of form submission and is not cached, the form will be silently resubmitted.
|
|
// We should ask the user for confirmation in this case.
|
|
request.setCachePolicy(ResourceRequestCachePolicy::ReturnCacheDataElseLoad);
|
|
|
|
Ref<DocumentLoader> loader = m_client->createDocumentLoader(request, defaultSubstituteDataForURL(request.url()));
|
|
applyShouldOpenExternalURLsPolicyToNewDocumentLoader(m_frame, loader, InitiatedByMainFrame::Unknown, m_documentLoader->shouldOpenExternalURLsPolicyToPropagate());
|
|
|
|
setPolicyDocumentLoader(loader.ptr());
|
|
|
|
loader->setOverrideEncoding(encoding);
|
|
|
|
loadWithDocumentLoader(loader.ptr(), FrameLoadType::Reload, { }, AllowNavigationToInvalidURL::Yes);
|
|
}
|
|
|
|
void FrameLoader::reload(OptionSet<ReloadOption> options)
|
|
{
|
|
if (!m_documentLoader)
|
|
return;
|
|
|
|
// If a window is created by javascript, its main frame can have an empty but non-nil URL.
|
|
// Reloading in this case will lose the current contents (see 4151001).
|
|
if (m_documentLoader->request().url().isEmpty())
|
|
return;
|
|
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "reload: frame load started");
|
|
|
|
// Replace error-page URL with the URL we were trying to reach.
|
|
ResourceRequest initialRequest = m_documentLoader->request();
|
|
URL unreachableURL = m_documentLoader->unreachableURL();
|
|
if (!unreachableURL.isEmpty())
|
|
initialRequest.setURL(unreachableURL);
|
|
|
|
// Create a new document loader for the reload, this will become m_documentLoader eventually,
|
|
// but first it has to be the "policy" document loader, and then the "provisional" document loader.
|
|
Ref<DocumentLoader> loader = m_client->createDocumentLoader(initialRequest, defaultSubstituteDataForURL(initialRequest.url()));
|
|
loader->setAllowsWebArchiveForMainFrame(m_documentLoader->allowsWebArchiveForMainFrame());
|
|
loader->setAllowsDataURLsForMainFrame(m_documentLoader->allowsDataURLsForMainFrame());
|
|
applyShouldOpenExternalURLsPolicyToNewDocumentLoader(m_frame, loader, InitiatedByMainFrame::Unknown, m_documentLoader->shouldOpenExternalURLsPolicyToPropagate());
|
|
|
|
loader->setUserContentExtensionsEnabled(!options.contains(ReloadOption::DisableContentBlockers));
|
|
|
|
ResourceRequest& request = loader->request();
|
|
|
|
// FIXME: We don't have a mechanism to revalidate the main resource without reloading at the moment.
|
|
request.setCachePolicy(ResourceRequestCachePolicy::ReloadIgnoringCacheData);
|
|
|
|
addSameSiteInfoToRequestIfNeeded(request);
|
|
|
|
// If we're about to re-post, set up action so the application can warn the user.
|
|
if (request.httpMethod() == "POST")
|
|
loader->setTriggeringAction({ *m_frame.document(), request, InitiatedByMainFrame::Unknown, NavigationType::FormResubmitted });
|
|
|
|
loader->setOverrideEncoding(m_documentLoader->overrideEncoding());
|
|
|
|
auto frameLoadTypeForReloadOptions = [] (auto options) {
|
|
if (options & ReloadOption::FromOrigin)
|
|
return FrameLoadType::ReloadFromOrigin;
|
|
if (options & ReloadOption::ExpiredOnly)
|
|
return FrameLoadType::ReloadExpiredOnly;
|
|
return FrameLoadType::Reload;
|
|
};
|
|
|
|
loadWithDocumentLoader(loader.ptr(), frameLoadTypeForReloadOptions(options), { }, AllowNavigationToInvalidURL::Yes);
|
|
}
|
|
|
|
void FrameLoader::stopAllLoaders(ClearProvisionalItem clearProvisionalItem, StopLoadingPolicy stopLoadingPolicy)
|
|
{
|
|
if (m_frame.document() && m_frame.document()->backForwardCacheState() == Document::InBackForwardCache)
|
|
return;
|
|
|
|
if (stopLoadingPolicy == StopLoadingPolicy::PreventDuringUnloadEvents && !isStopLoadingAllowed())
|
|
return;
|
|
|
|
// If this method is called from within this method, infinite recursion can occur (3442218). Avoid this.
|
|
if (m_inStopAllLoaders)
|
|
return;
|
|
|
|
// This method might dispatch events.
|
|
RELEASE_ASSERT_WITH_SECURITY_IMPLICATION(ScriptDisallowedScope::InMainThread::isScriptAllowed());
|
|
|
|
// Calling stopLoading() on the provisional document loader can blow away
|
|
// the frame from underneath.
|
|
Ref<Frame> protect(m_frame);
|
|
|
|
m_inStopAllLoaders = true;
|
|
|
|
policyChecker().stopCheck();
|
|
|
|
// If no new load is in progress, we should clear the provisional item from history
|
|
// before we call stopLoading.
|
|
if (clearProvisionalItem == ClearProvisionalItem::Yes)
|
|
history().setProvisionalItem(nullptr);
|
|
|
|
for (RefPtr<Frame> child = m_frame.tree().firstChild(); child; child = child->tree().nextSibling())
|
|
child->loader().stopAllLoaders(clearProvisionalItem);
|
|
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "stopAllLoaders: m_provisionalDocumentLoader=%p, m_documentLoader=%p", m_provisionalDocumentLoader.get(), m_documentLoader.get());
|
|
|
|
if (m_provisionalDocumentLoader)
|
|
m_provisionalDocumentLoader->stopLoading();
|
|
if (m_documentLoader)
|
|
m_documentLoader->stopLoading();
|
|
if (m_frame.page() && !m_frame.page()->chrome().client().isSVGImageChromeClient())
|
|
platformStrategies()->loaderStrategy()->browsingContextRemoved(frame());
|
|
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "stopAllLoaders: Clearing provisional document loader (m_provisionalDocumentLoader=%p)", m_provisionalDocumentLoader.get());
|
|
setProvisionalDocumentLoader(nullptr);
|
|
|
|
m_inStopAllLoaders = false;
|
|
}
|
|
|
|
void FrameLoader::stopForBackForwardCache()
|
|
{
|
|
// Stop provisional loads in subframes (The one in the main frame is about to be committed).
|
|
if (!m_frame.isMainFrame()) {
|
|
if (m_provisionalDocumentLoader)
|
|
m_provisionalDocumentLoader->stopLoading();
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "stopForBackForwardCache: Clearing provisional document loader (m_provisionalDocumentLoader=%p)", m_provisionalDocumentLoader.get());
|
|
setProvisionalDocumentLoader(nullptr);
|
|
}
|
|
|
|
// Stop current loads.
|
|
if (m_documentLoader)
|
|
m_documentLoader->stopLoading();
|
|
|
|
for (RefPtr<Frame> child = m_frame.tree().firstChild(); child; child = child->tree().nextSibling())
|
|
child->loader().stopForBackForwardCache();
|
|
|
|
// We cancel pending navigations & policy checks *after* cancelling loads because cancelling loads might end up
|
|
// running script, which could schedule new navigations.
|
|
policyChecker().stopCheck();
|
|
m_frame.navigationScheduler().cancel();
|
|
}
|
|
|
|
void FrameLoader::stopAllLoadersAndCheckCompleteness()
|
|
{
|
|
stopAllLoaders();
|
|
|
|
if (!m_checkTimer.isActive())
|
|
return;
|
|
|
|
m_checkTimer.stop();
|
|
m_checkingLoadCompleteForDetachment = true;
|
|
checkCompletenessNow();
|
|
m_checkingLoadCompleteForDetachment = false;
|
|
}
|
|
|
|
void FrameLoader::stopForUserCancel(bool deferCheckLoadComplete)
|
|
{
|
|
// Calling stopAllLoaders can cause the frame to be deallocated, including the frame loader.
|
|
Ref<Frame> protectedFrame(m_frame);
|
|
|
|
stopAllLoaders();
|
|
|
|
#if PLATFORM(IOS_FAMILY)
|
|
// Lay out immediately when stopping to immediately clear the old page if we just committed this one
|
|
// but haven't laid out/painted yet.
|
|
// FIXME: Is this behavior specific to iOS? Or should we expose a setting to toggle this behavior?
|
|
if (m_frame.view() && !m_frame.view()->didFirstLayout())
|
|
m_frame.view()->layoutContext().layout();
|
|
#endif
|
|
|
|
if (deferCheckLoadComplete)
|
|
scheduleCheckLoadComplete();
|
|
else if (m_frame.page())
|
|
checkLoadComplete();
|
|
}
|
|
|
|
DocumentLoader* FrameLoader::activeDocumentLoader() const
|
|
{
|
|
if (m_state == FrameState::Provisional)
|
|
return m_provisionalDocumentLoader.get();
|
|
return m_documentLoader.get();
|
|
}
|
|
|
|
bool FrameLoader::isLoading() const
|
|
{
|
|
DocumentLoader* docLoader = activeDocumentLoader();
|
|
if (!docLoader)
|
|
return false;
|
|
return docLoader->isLoading();
|
|
}
|
|
|
|
bool FrameLoader::frameHasLoaded() const
|
|
{
|
|
return m_stateMachine.committedFirstRealDocumentLoad() || (m_provisionalDocumentLoader && !m_stateMachine.creatingInitialEmptyDocument());
|
|
}
|
|
|
|
void FrameLoader::setDocumentLoader(DocumentLoader* loader)
|
|
{
|
|
if (loader == m_documentLoader)
|
|
return;
|
|
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "setDocumentLoader: Setting document loader to %p (was %p)", loader, m_documentLoader.get());
|
|
|
|
RELEASE_ASSERT(!loader || loader->frameLoader() == this);
|
|
|
|
m_client->prepareForDataSourceReplacement();
|
|
detachChildren();
|
|
|
|
// detachChildren() can trigger this frame's unload event, and therefore
|
|
// script can run and do just about anything. For example, an unload event that calls
|
|
// document.write("") on its parent frame can lead to a recursive detachChildren()
|
|
// invocation for this frame. In that case, we can end up at this point with a
|
|
// loader that hasn't been deleted but has been detached from its frame. Such a
|
|
// DocumentLoader has been sufficiently detached that we'll end up in an inconsistent
|
|
// state if we try to use it.
|
|
if (loader && !loader->frame())
|
|
return;
|
|
|
|
if (m_documentLoader)
|
|
m_documentLoader->detachFromFrame();
|
|
|
|
m_documentLoader = loader;
|
|
}
|
|
|
|
void FrameLoader::setPolicyDocumentLoader(DocumentLoader* loader)
|
|
{
|
|
if (m_policyDocumentLoader == loader)
|
|
return;
|
|
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "setPolicyDocumentLoader: Setting policy document loader to %p (was %p)", loader, m_policyDocumentLoader.get());
|
|
|
|
if (loader)
|
|
loader->attachToFrame(m_frame);
|
|
if (m_policyDocumentLoader
|
|
&& m_policyDocumentLoader != m_provisionalDocumentLoader
|
|
&& m_policyDocumentLoader != m_documentLoader)
|
|
m_policyDocumentLoader->detachFromFrame();
|
|
|
|
m_policyDocumentLoader = loader;
|
|
}
|
|
|
|
void FrameLoader::setProvisionalDocumentLoader(DocumentLoader* loader)
|
|
{
|
|
if (m_provisionalDocumentLoader == loader)
|
|
return;
|
|
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "setProvisionalDocumentLoader: Setting provisional document loader to %p (was %p)", loader, m_provisionalDocumentLoader.get());
|
|
|
|
ASSERT(!loader || !m_provisionalDocumentLoader);
|
|
RELEASE_ASSERT(!loader || loader->frameLoader() == this);
|
|
|
|
if (m_provisionalDocumentLoader && m_provisionalDocumentLoader != m_documentLoader)
|
|
m_provisionalDocumentLoader->detachFromFrame();
|
|
|
|
m_provisionalDocumentLoader = loader;
|
|
}
|
|
|
|
void FrameLoader::setState(FrameState newState)
|
|
{
|
|
FrameState oldState = m_state;
|
|
m_state = newState;
|
|
|
|
if (newState == FrameState::Provisional)
|
|
provisionalLoadStarted();
|
|
else if (newState == FrameState::Complete) {
|
|
frameLoadCompleted();
|
|
if (m_documentLoader)
|
|
m_documentLoader->stopRecordingResponses();
|
|
if (m_frame.isMainFrame() && oldState != newState) {
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "setState: main frame load completed");
|
|
m_frame.page()->performanceLogging().didReachPointOfInterest(PerformanceLogging::MainFrameLoadCompleted);
|
|
}
|
|
}
|
|
}
|
|
|
|
void FrameLoader::clearProvisionalLoad()
|
|
{
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "clearProvisionalLoad: Clearing provisional document loader (m_provisionalDocumentLoader=%p)", m_provisionalDocumentLoader.get());
|
|
setProvisionalDocumentLoader(nullptr);
|
|
m_progressTracker->progressCompleted();
|
|
setState(FrameState::Complete);
|
|
}
|
|
|
|
void FrameLoader::commitProvisionalLoad()
|
|
{
|
|
RefPtr<DocumentLoader> pdl = m_provisionalDocumentLoader;
|
|
Ref<Frame> protect(m_frame);
|
|
|
|
std::unique_ptr<CachedPage> cachedPage;
|
|
if (m_loadingFromCachedPage && history().provisionalItem())
|
|
cachedPage = BackForwardCache::singleton().take(*history().provisionalItem(), m_frame.page());
|
|
|
|
LOG(BackForwardCache, "WebCoreLoading %s: About to commit provisional load from previous URL '%s' to new URL '%s' with cached page %p", m_frame.tree().uniqueName().string().utf8().data(),
|
|
m_frame.document() ? m_frame.document()->url().stringCenterEllipsizedToLength().utf8().data() : "",
|
|
pdl ? pdl->url().stringCenterEllipsizedToLength().utf8().data() : "<no provisional DocumentLoader>", cachedPage.get());
|
|
|
|
if (auto document = makeRefPtr(m_frame.document())) {
|
|
// In the case where we're restoring from a cached page, our document will not
|
|
// be connected to its frame yet, so the following call with be a no-op. We will
|
|
// attempt to confirm any active composition once again in this scenario after we
|
|
// finish restoring from the cached page.
|
|
document->editor().confirmOrCancelCompositionAndNotifyClient();
|
|
}
|
|
|
|
if (!m_frame.tree().parent() && history().currentItem() && history().currentItem() != history().provisionalItem()) {
|
|
// Check to see if we need to cache the page we are navigating away from into the back/forward cache.
|
|
// We are doing this here because we know for sure that a new page is about to be loaded.
|
|
BackForwardCache::singleton().addIfCacheable(*history().currentItem(), m_frame.page());
|
|
|
|
WebCore::jettisonExpensiveObjectsOnTopLevelNavigation();
|
|
}
|
|
|
|
if (m_loadType != FrameLoadType::Replace)
|
|
closeOldDataSources();
|
|
|
|
if (!cachedPage && !m_stateMachine.creatingInitialEmptyDocument())
|
|
m_client->makeRepresentation(pdl.get());
|
|
|
|
transitionToCommitted(cachedPage.get());
|
|
|
|
if (pdl && m_documentLoader) {
|
|
// Check if the destination page is allowed to access the previous page's timing information.
|
|
Ref<SecurityOrigin> securityOrigin(SecurityOrigin::create(pdl->request().url()));
|
|
m_documentLoader->timing().setHasSameOriginAsPreviousDocument(securityOrigin.get().canRequest(m_previousURL));
|
|
}
|
|
|
|
// Call clientRedirectCancelledOrFinished() here so that the frame load delegate is notified that the redirect's
|
|
// status has changed, if there was a redirect. The frame load delegate may have saved some state about
|
|
// the redirect in its -webView:willPerformClientRedirectToURL:delay:fireDate:forFrame:. Since we are
|
|
// just about to commit a new page, there cannot possibly be a pending redirect at this point.
|
|
if (m_sentRedirectNotification)
|
|
clientRedirectCancelledOrFinished(NewLoadInProgress::No);
|
|
|
|
if (cachedPage && cachedPage->document()) {
|
|
#if PLATFORM(IOS_FAMILY)
|
|
// FIXME: CachedPage::restore() would dispatch viewport change notification. However UIKit expects load
|
|
// commit to happen before any changes to viewport arguments and dealing with this there is difficult.
|
|
m_frame.page()->chrome().setDispatchViewportDataDidChangeSuppressed(true);
|
|
#endif
|
|
willRestoreFromCachedPage();
|
|
|
|
// Start request for the main resource and dispatch didReceiveResponse before the load is committed for
|
|
// consistency with all other loads. See https://bugs.webkit.org/show_bug.cgi?id=150927.
|
|
ResourceError mainResouceError;
|
|
unsigned long mainResourceIdentifier;
|
|
ResourceRequest mainResourceRequest(cachedPage->documentLoader()->request());
|
|
requestFromDelegate(mainResourceRequest, mainResourceIdentifier, mainResouceError);
|
|
notifier().dispatchDidReceiveResponse(cachedPage->documentLoader(), mainResourceIdentifier, cachedPage->documentLoader()->response());
|
|
|
|
auto hasInsecureContent = cachedPage->cachedMainFrame()->hasInsecureContent();
|
|
auto usedLegacyTLS = cachedPage->cachedMainFrame()->usedLegacyTLS();
|
|
|
|
dispatchDidCommitLoad(hasInsecureContent, usedLegacyTLS);
|
|
|
|
// FIXME: This API should be turned around so that we ground CachedPage into the Page.
|
|
cachedPage->restore(*m_frame.page());
|
|
|
|
#if PLATFORM(IOS_FAMILY)
|
|
m_frame.page()->chrome().setDispatchViewportDataDidChangeSuppressed(false);
|
|
m_frame.page()->chrome().dispatchViewportPropertiesDidChange(m_frame.page()->viewportArguments());
|
|
#endif
|
|
m_frame.page()->chrome().dispatchDisabledAdaptationsDidChange(m_frame.page()->disabledAdaptations());
|
|
|
|
auto& title = m_documentLoader->title();
|
|
if (!title.string.isNull())
|
|
m_client->dispatchDidReceiveTitle(title);
|
|
|
|
// Send remaining notifications for the main resource.
|
|
notifier().sendRemainingDelegateMessages(m_documentLoader.get(), mainResourceIdentifier, mainResourceRequest, ResourceResponse(),
|
|
nullptr, static_cast<int>(m_documentLoader->response().expectedContentLength()), 0, mainResouceError);
|
|
|
|
Vector<Ref<Frame>> targetFrames;
|
|
targetFrames.append(m_frame);
|
|
for (auto* child = m_frame.tree().firstChild(); child; child = child->tree().traverseNext(&m_frame))
|
|
targetFrames.append(*child);
|
|
|
|
for (auto& frame : targetFrames)
|
|
frame->loader().checkCompleted();
|
|
} else
|
|
didOpenURL();
|
|
|
|
if (auto document = makeRefPtr(m_frame.document()))
|
|
document->editor().confirmOrCancelCompositionAndNotifyClient();
|
|
|
|
LOG(Loading, "WebCoreLoading %s: Finished committing provisional load to URL %s", m_frame.tree().uniqueName().string().utf8().data(),
|
|
m_frame.document() ? m_frame.document()->url().stringCenterEllipsizedToLength().utf8().data() : "");
|
|
|
|
if (m_loadType == FrameLoadType::Standard && m_documentLoader && m_documentLoader->isClientRedirect())
|
|
history().updateForClientRedirect();
|
|
|
|
if (m_loadingFromCachedPage) {
|
|
// Note, didReceiveDocType is expected to be called for cached pages. See <rdar://problem/5906758> for more details.
|
|
if (auto* page = m_frame.page())
|
|
page->chrome().didReceiveDocType(m_frame);
|
|
m_frame.document()->resume(ReasonForSuspension::BackForwardCache);
|
|
|
|
// Force a layout to update view size and thereby update scrollbars.
|
|
#if PLATFORM(IOS_FAMILY)
|
|
if (!m_client->forceLayoutOnRestoreFromBackForwardCache())
|
|
m_frame.view()->forceLayout();
|
|
#else
|
|
m_frame.view()->forceLayout();
|
|
#endif
|
|
|
|
// Main resource delegates were already sent, so we skip the first response here.
|
|
for (unsigned i = 1; i < m_documentLoader->responses().size(); ++i) {
|
|
const auto& response = m_documentLoader->responses()[i];
|
|
// FIXME: If the WebKit client changes or cancels the request, this is not respected.
|
|
ResourceError error;
|
|
unsigned long identifier;
|
|
ResourceRequest request(response.url());
|
|
requestFromDelegate(request, identifier, error);
|
|
// FIXME: If we get a resource with more than 2B bytes, this code won't do the right thing.
|
|
// However, with today's computers and networking speeds, this won't happen in practice.
|
|
// Could be an issue with a giant local file.
|
|
notifier().sendRemainingDelegateMessages(m_documentLoader.get(), identifier, request, response, 0, static_cast<int>(response.expectedContentLength()), 0, error);
|
|
}
|
|
|
|
// FIXME: Why only this frame and not parent frames?
|
|
checkLoadCompleteForThisFrame();
|
|
}
|
|
}
|
|
|
|
void FrameLoader::transitionToCommitted(CachedPage* cachedPage)
|
|
{
|
|
ASSERT(m_client->hasWebView());
|
|
ASSERT(m_state == FrameState::Provisional);
|
|
|
|
if (m_state != FrameState::Provisional)
|
|
return;
|
|
|
|
if (FrameView* view = m_frame.view()) {
|
|
if (ScrollAnimator* scrollAnimator = view->existingScrollAnimator())
|
|
scrollAnimator->cancelAnimations();
|
|
}
|
|
|
|
m_client->setCopiesOnScroll();
|
|
history().updateForCommit();
|
|
|
|
// The call to closeURL() invokes the unload event handler, which can execute arbitrary
|
|
// JavaScript. If the script initiates a new load, we need to abandon the current load,
|
|
// or the two will stomp each other.
|
|
auto originalProvisionalDocumentLoader = m_provisionalDocumentLoader;
|
|
if (m_documentLoader)
|
|
closeURL();
|
|
if (originalProvisionalDocumentLoader != m_provisionalDocumentLoader)
|
|
return;
|
|
|
|
if (m_documentLoader)
|
|
m_documentLoader->stopLoadingSubresources();
|
|
if (m_documentLoader)
|
|
m_documentLoader->stopLoadingPlugIns();
|
|
|
|
// Setting our document loader invokes the unload event handler of our child frames.
|
|
// Script can do anything. If the script initiates a new load, we need to abandon the
|
|
// current load or the two will stomp each other.
|
|
setDocumentLoader(m_provisionalDocumentLoader.get());
|
|
if (originalProvisionalDocumentLoader != m_provisionalDocumentLoader)
|
|
return;
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "transitionToCommitted: Clearing provisional document loader (m_provisionalDocumentLoader=%p)", m_provisionalDocumentLoader.get());
|
|
setProvisionalDocumentLoader(nullptr);
|
|
|
|
// Nothing else can interrupt this commit - set the Provisional->Committed transition in stone
|
|
setState(FrameState::CommittedPage);
|
|
|
|
// Handle adding the URL to the back/forward list.
|
|
auto documentLoader = m_documentLoader;
|
|
|
|
switch (m_loadType) {
|
|
case FrameLoadType::Forward:
|
|
case FrameLoadType::Back:
|
|
case FrameLoadType::IndexedBackForward:
|
|
if (m_frame.page()) {
|
|
// If the first load within a frame is a navigation within a back/forward list that was attached
|
|
// without any of the items being loaded then we need to update the history in a similar manner as
|
|
// for a standard load with the exception of updating the back/forward list (<rdar://problem/8091103>).
|
|
if (!m_stateMachine.committedFirstRealDocumentLoad() && m_frame.isMainFrame())
|
|
history().updateForStandardLoad(HistoryController::UpdateAllExceptBackForwardList);
|
|
|
|
history().updateForBackForwardNavigation();
|
|
|
|
// For cached pages, CachedFrame::restore will take care of firing the popstate event with the history item's state object
|
|
if (history().currentItem() && !cachedPage)
|
|
m_pendingStateObject = history().currentItem()->stateObject();
|
|
|
|
// Create a document view for this document, or used the cached view.
|
|
if (cachedPage) {
|
|
ASSERT(cachedPage->documentLoader());
|
|
cachedPage->documentLoader()->attachToFrame(m_frame);
|
|
m_client->transitionToCommittedFromCachedFrame(cachedPage->cachedMainFrame());
|
|
} else
|
|
m_client->transitionToCommittedForNewPage();
|
|
}
|
|
break;
|
|
|
|
case FrameLoadType::Reload:
|
|
case FrameLoadType::ReloadFromOrigin:
|
|
case FrameLoadType::ReloadExpiredOnly:
|
|
case FrameLoadType::Same:
|
|
case FrameLoadType::Replace:
|
|
history().updateForReload();
|
|
m_client->transitionToCommittedForNewPage();
|
|
break;
|
|
|
|
case FrameLoadType::Standard:
|
|
history().updateForStandardLoad();
|
|
if (m_frame.view())
|
|
m_frame.view()->setScrollbarsSuppressed(true);
|
|
m_client->transitionToCommittedForNewPage();
|
|
break;
|
|
|
|
case FrameLoadType::RedirectWithLockedBackForwardList:
|
|
history().updateForRedirectWithLockedBackForwardList();
|
|
m_client->transitionToCommittedForNewPage();
|
|
break;
|
|
}
|
|
|
|
if (documentLoader)
|
|
documentLoader->writer().setMIMEType(documentLoader->responseMIMEType());
|
|
|
|
if (m_stateMachine.creatingInitialEmptyDocument())
|
|
return;
|
|
|
|
if (!m_stateMachine.committedFirstRealDocumentLoad())
|
|
m_stateMachine.advanceTo(FrameLoaderStateMachine::DisplayingInitialEmptyDocumentPostCommit);
|
|
}
|
|
|
|
void FrameLoader::clientRedirectCancelledOrFinished(NewLoadInProgress newLoadInProgress)
|
|
{
|
|
// Note that -webView:didCancelClientRedirectForFrame: is called on the frame load delegate even if
|
|
// the redirect succeeded. We should either rename this API, or add a new method, like
|
|
// -webView:didFinishClientRedirectForFrame:
|
|
m_client->dispatchDidCancelClientRedirect();
|
|
|
|
if (newLoadInProgress == NewLoadInProgress::No)
|
|
m_quickRedirectComing = false;
|
|
|
|
m_sentRedirectNotification = false;
|
|
}
|
|
|
|
void FrameLoader::clientRedirected(const URL& url, double seconds, WallTime fireDate, LockBackForwardList lockBackForwardList)
|
|
{
|
|
m_client->dispatchWillPerformClientRedirect(url, seconds, fireDate, lockBackForwardList);
|
|
|
|
// Remember that we sent a redirect notification to the frame load delegate so that when we commit
|
|
// the next provisional load, we can send a corresponding -webView:didCancelClientRedirectForFrame:
|
|
m_sentRedirectNotification = true;
|
|
|
|
// If a "quick" redirect comes in, we set a special mode so we treat the next
|
|
// load as part of the original navigation. If we don't have a document loader, we have
|
|
// no "original" load on which to base a redirect, so we treat the redirect as a normal load.
|
|
// Loads triggered by JavaScript form submissions never count as quick redirects.
|
|
m_quickRedirectComing = (lockBackForwardList == LockBackForwardList::Yes || history().currentItemShouldBeReplaced()) && m_documentLoader && !m_isExecutingJavaScriptFormAction;
|
|
}
|
|
|
|
bool FrameLoader::shouldReload(const URL& currentURL, const URL& destinationURL)
|
|
{
|
|
// This function implements the rule: "Don't reload if navigating by fragment within
|
|
// the same URL, but do reload if going to a new URL or to the same URL with no
|
|
// fragment identifier at all."
|
|
if (!destinationURL.hasFragmentIdentifier())
|
|
return true;
|
|
return !equalIgnoringFragmentIdentifier(currentURL, destinationURL);
|
|
}
|
|
|
|
void FrameLoader::closeOldDataSources()
|
|
{
|
|
// FIXME: Is it important for this traversal to be postorder instead of preorder?
|
|
// If so, add helpers for postorder traversal, and use them. If not, then lets not
|
|
// use a recursive algorithm here.
|
|
for (Frame* child = m_frame.tree().firstChild(); child; child = child->tree().nextSibling())
|
|
child->loader().closeOldDataSources();
|
|
|
|
if (m_documentLoader)
|
|
m_client->dispatchWillClose();
|
|
|
|
m_client->setMainFrameDocumentReady(false); // stop giving out the actual DOMDocument to observers
|
|
}
|
|
|
|
void FrameLoader::willRestoreFromCachedPage()
|
|
{
|
|
ASSERT(!m_frame.tree().parent());
|
|
ASSERT(m_frame.page());
|
|
ASSERT(m_frame.isMainFrame());
|
|
|
|
m_frame.navigationScheduler().cancel();
|
|
|
|
// We still have to close the previous part page.
|
|
closeURL();
|
|
|
|
// Delete old status bar messages (if it _was_ activated on last URL).
|
|
if (m_frame.script().canExecuteScripts(NotAboutToExecuteScript)) {
|
|
DOMWindow* window = m_frame.document()->domWindow();
|
|
window->setStatus(String());
|
|
window->setDefaultStatus(String());
|
|
}
|
|
}
|
|
|
|
void FrameLoader::open(CachedFrameBase& cachedFrame)
|
|
{
|
|
// Don't re-emit the load event.
|
|
m_didCallImplicitClose = true;
|
|
|
|
URL url = cachedFrame.url();
|
|
|
|
// FIXME: I suspect this block of code doesn't do anything.
|
|
if (url.protocolIsInHTTPFamily() && !url.host().isEmpty() && url.path().isEmpty())
|
|
url.setPath("/");
|
|
|
|
started();
|
|
auto document = makeRef(*cachedFrame.document());
|
|
ASSERT(document->domWindow());
|
|
|
|
clear(document.ptr(), true, true, cachedFrame.isMainFrame());
|
|
|
|
document->attachToCachedFrame(cachedFrame);
|
|
document->setBackForwardCacheState(Document::NotInBackForwardCache);
|
|
|
|
m_needsClear = true;
|
|
m_isComplete = false;
|
|
m_didCallImplicitClose = false;
|
|
setOutgoingReferrer(url);
|
|
|
|
FrameView* view = cachedFrame.view();
|
|
|
|
// When navigating to a CachedFrame its FrameView should never be null. If it is we'll crash in creative ways downstream.
|
|
ASSERT(view);
|
|
view->setWasScrolledByUser(false);
|
|
|
|
std::optional<IntRect> previousViewFrameRect = m_frame.view() ? m_frame.view()->frameRect() : std::optional<IntRect>(std::nullopt);
|
|
m_frame.setView(view);
|
|
|
|
// Use the previous ScrollView's frame rect.
|
|
if (previousViewFrameRect)
|
|
view->setFrameRect(previousViewFrameRect.value());
|
|
|
|
|
|
// Setting the document builds the render tree and runs post style resolution callbacks that can do anything,
|
|
// including loading a child frame before its been re-attached to the frame tree as part of this restore.
|
|
// For example, the HTML object element may load its content into a frame in a post style resolution callback.
|
|
Style::PostResolutionCallbackDisabler disabler(document.get());
|
|
WidgetHierarchyUpdatesSuspensionScope suspendWidgetHierarchyUpdates;
|
|
NavigationDisabler disableNavigation { &m_frame };
|
|
|
|
m_frame.setDocument(document.copyRef());
|
|
|
|
document->domWindow()->resumeFromBackForwardCache();
|
|
|
|
updateFirstPartyForCookies();
|
|
|
|
cachedFrame.restore();
|
|
}
|
|
|
|
bool FrameLoader::isReplacing() const
|
|
{
|
|
return m_loadType == FrameLoadType::Replace;
|
|
}
|
|
|
|
void FrameLoader::setReplacing()
|
|
{
|
|
m_loadType = FrameLoadType::Replace;
|
|
}
|
|
|
|
bool FrameLoader::subframeIsLoading() const
|
|
{
|
|
// It's most likely that the last added frame is the last to load so we walk backwards.
|
|
for (Frame* child = m_frame.tree().lastChild(); child; child = child->tree().previousSibling()) {
|
|
FrameLoader& childLoader = child->loader();
|
|
DocumentLoader* documentLoader = childLoader.documentLoader();
|
|
if (documentLoader && documentLoader->isLoadingInAPISense())
|
|
return true;
|
|
documentLoader = childLoader.provisionalDocumentLoader();
|
|
if (documentLoader && documentLoader->isLoadingInAPISense())
|
|
return true;
|
|
documentLoader = childLoader.policyDocumentLoader();
|
|
if (documentLoader)
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void FrameLoader::willChangeTitle(DocumentLoader* loader)
|
|
{
|
|
m_client->willChangeTitle(loader);
|
|
}
|
|
|
|
FrameLoadType FrameLoader::loadType() const
|
|
{
|
|
return m_loadType;
|
|
}
|
|
|
|
CachePolicy FrameLoader::subresourceCachePolicy(const URL& url) const
|
|
{
|
|
if (Page* page = m_frame.page()) {
|
|
if (page->isResourceCachingDisabledByWebInspector())
|
|
return CachePolicy::Reload;
|
|
}
|
|
|
|
if (m_isComplete)
|
|
return CachePolicy::Verify;
|
|
|
|
if (m_loadType == FrameLoadType::ReloadFromOrigin)
|
|
return CachePolicy::Reload;
|
|
|
|
if (Frame* parentFrame = m_frame.tree().parent()) {
|
|
CachePolicy parentCachePolicy = parentFrame->loader().subresourceCachePolicy(url);
|
|
if (parentCachePolicy != CachePolicy::Verify)
|
|
return parentCachePolicy;
|
|
}
|
|
|
|
switch (m_loadType) {
|
|
case FrameLoadType::Reload:
|
|
return CachePolicy::Revalidate;
|
|
case FrameLoadType::Back:
|
|
case FrameLoadType::Forward:
|
|
case FrameLoadType::IndexedBackForward:
|
|
return CachePolicy::HistoryBuffer;
|
|
case FrameLoadType::ReloadFromOrigin:
|
|
ASSERT_NOT_REACHED(); // Already handled above.
|
|
return CachePolicy::Reload;
|
|
case FrameLoadType::RedirectWithLockedBackForwardList:
|
|
case FrameLoadType::Replace:
|
|
case FrameLoadType::Same:
|
|
case FrameLoadType::Standard:
|
|
return CachePolicy::Verify;
|
|
case FrameLoadType::ReloadExpiredOnly:
|
|
// We know about expiration for HTTP and data. Do a normal reload otherwise.
|
|
if (!url.protocolIsInHTTPFamily() && !url.protocolIsData())
|
|
return CachePolicy::Reload;
|
|
return CachePolicy::Verify;
|
|
}
|
|
|
|
RELEASE_ASSERT_NOT_REACHED();
|
|
return CachePolicy::Verify;
|
|
}
|
|
|
|
void FrameLoader::dispatchDidFailProvisionalLoad(DocumentLoader& provisionalDocumentLoader, const ResourceError& error)
|
|
{
|
|
m_provisionalLoadErrorBeingHandledURL = provisionalDocumentLoader.url();
|
|
|
|
#if ENABLE(CONTENT_FILTERING)
|
|
auto contentFilter = provisionalDocumentLoader.contentFilter();
|
|
auto contentFilterWillContinueLoading = false;
|
|
#endif
|
|
|
|
auto willContinueLoading = WillContinueLoading::No;
|
|
if (history().provisionalItem())
|
|
willContinueLoading = WillContinueLoading::Yes;
|
|
#if ENABLE(CONTENT_FILTERING)
|
|
if (contentFilter && contentFilter->willHandleProvisionalLoadFailure(error)) {
|
|
willContinueLoading = WillContinueLoading::Yes;
|
|
contentFilterWillContinueLoading = true;
|
|
}
|
|
#endif
|
|
|
|
m_client->dispatchDidFailProvisionalLoad(error, willContinueLoading);
|
|
|
|
#if ENABLE(CONTENT_FILTERING)
|
|
if (contentFilterWillContinueLoading)
|
|
contentFilter->handleProvisionalLoadFailure(error);
|
|
#endif
|
|
|
|
m_provisionalLoadErrorBeingHandledURL = { };
|
|
}
|
|
|
|
void FrameLoader::checkLoadCompleteForThisFrame()
|
|
{
|
|
ASSERT(m_client->hasWebView());
|
|
|
|
// FIXME: Should this check be done in checkLoadComplete instead of here?
|
|
// FIXME: Why does this one check need to be repeated here, and not the many others from checkCompleted?
|
|
if (m_frame.document()->isDelayingLoadEvent())
|
|
return;
|
|
|
|
switch (m_state) {
|
|
case FrameState::Provisional: {
|
|
// FIXME: Prohibiting any provisional load failures from being sent to clients
|
|
// while handling provisional load failures is too heavy. For example, the current
|
|
// load will fail to cancel another ongoing load. That might prevent clients' page
|
|
// load state being handled properly.
|
|
if (!m_provisionalLoadErrorBeingHandledURL.isEmpty())
|
|
return;
|
|
|
|
RefPtr<DocumentLoader> protector = m_provisionalDocumentLoader;
|
|
if (!protector)
|
|
return;
|
|
|
|
// If we've received any errors we may be stuck in the provisional state and actually complete.
|
|
const ResourceError& error = protector->mainDocumentError();
|
|
if (error.isNull())
|
|
return;
|
|
|
|
// Check all children first.
|
|
RefPtr<HistoryItem> item;
|
|
if (Page* page = m_frame.page()) {
|
|
if (isBackForwardLoadType(loadType())) {
|
|
// Reset the back forward list to the last committed history item at the top level.
|
|
item = page->mainFrame().loader().history().currentItem();
|
|
}
|
|
}
|
|
|
|
// Only reset if we aren't already going to a new provisional item.
|
|
bool shouldReset = !history().provisionalItem();
|
|
if (!protector->isLoadingInAPISense() || protector->isStopping()) {
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "checkLoadCompleteForThisFrame: Failed provisional load (isTimeout = %d, isCancellation = %d, errorCode = %d)", error.isTimeout(), error.isCancellation(), error.errorCode());
|
|
|
|
dispatchDidFailProvisionalLoad(*protector, error);
|
|
ASSERT(!protector->isLoading());
|
|
|
|
// If we're in the middle of loading multipart data, we need to restore the document loader.
|
|
if (isReplacing() && !m_documentLoader.get())
|
|
setDocumentLoader(m_provisionalDocumentLoader.get());
|
|
|
|
// Finish resetting the load state, but only if another load hasn't been started by the
|
|
// delegate callback.
|
|
if (protector == m_provisionalDocumentLoader)
|
|
clearProvisionalLoad();
|
|
else if (activeDocumentLoader()) {
|
|
URL unreachableURL = activeDocumentLoader()->unreachableURL();
|
|
if (!unreachableURL.isEmpty() && unreachableURL == protector->request().url())
|
|
shouldReset = false;
|
|
}
|
|
}
|
|
if (shouldReset && item) {
|
|
if (Page* page = m_frame.page())
|
|
page->backForward().setCurrentItem(*item);
|
|
}
|
|
return;
|
|
}
|
|
|
|
case FrameState::CommittedPage: {
|
|
if (!m_documentLoader)
|
|
return;
|
|
if (m_documentLoader->isLoadingInAPISense() && !m_documentLoader->isStopping() && !m_checkingLoadCompleteForDetachment)
|
|
return;
|
|
|
|
setState(FrameState::Complete);
|
|
|
|
// FIXME: Is this subsequent work important if we already navigated away?
|
|
// Maybe there are bugs because of that, or extra work we can skip because
|
|
// the new page is ready.
|
|
|
|
m_client->forceLayoutForNonHTML();
|
|
|
|
// If the user had a scroll point, scroll to it, overriding the anchor point if any.
|
|
if (m_frame.page()) {
|
|
if (isBackForwardLoadType(m_loadType) || isReload(m_loadType))
|
|
history().restoreScrollPositionAndViewState();
|
|
}
|
|
|
|
if (m_stateMachine.creatingInitialEmptyDocument() || !m_stateMachine.committedFirstRealDocumentLoad())
|
|
return;
|
|
|
|
m_progressTracker->progressCompleted();
|
|
Page* page = m_frame.page();
|
|
if (page) {
|
|
if (m_frame.isMainFrame()) {
|
|
tracePoint(MainResourceLoadDidEnd, PAGE_ID);
|
|
page->didFinishLoad();
|
|
}
|
|
}
|
|
|
|
if (auto domWindow = makeRefPtr(m_frame.document() ? m_frame.document()->domWindow() : nullptr))
|
|
domWindow->performance().scheduleNavigationObservationTaskIfNeeded();
|
|
|
|
const ResourceError& error = m_documentLoader->mainDocumentError();
|
|
|
|
AXObjectCache::AXLoadingEvent loadingEvent;
|
|
if (!error.isNull()) {
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "checkLoadCompleteForThisFrame: Finished frame load with error (isTimeout = %d, isCancellation = %d, errorCode = %d)", error.isTimeout(), error.isCancellation(), error.errorCode());
|
|
m_client->dispatchDidFailLoad(error);
|
|
loadingEvent = AXObjectCache::AXLoadingFailed;
|
|
} else {
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "checkLoadCompleteForThisFrame: Finished frame load");
|
|
#if ENABLE(DATA_DETECTION)
|
|
auto document = m_frame.document();
|
|
auto types = OptionSet<DataDetectorType> { m_frame.settings().dataDetectorTypes() };
|
|
if (document && types) {
|
|
auto documentLevelResults = retainPtr(DataDetection::detectContentInRange(makeRangeSelectingNodeContents(*document), types, m_client->dataDetectionContext()));
|
|
m_frame.dataDetectionResults().setDocumentLevelResults(documentLevelResults.get());
|
|
if (m_frame.isMainFrame())
|
|
m_client->dispatchDidFinishDataDetection(documentLevelResults.get());
|
|
}
|
|
#endif
|
|
m_client->dispatchDidFinishLoad();
|
|
loadingEvent = AXObjectCache::AXLoadingFinished;
|
|
}
|
|
|
|
// Notify accessibility.
|
|
if (auto* document = m_frame.document()) {
|
|
if (AXObjectCache* cache = document->existingAXObjectCache())
|
|
cache->frameLoadingEventNotification(&m_frame, loadingEvent);
|
|
}
|
|
|
|
// The above calls to dispatchDidFinishLoad() might have detached the Frame
|
|
// from its Page and also might have caused Page to be deleted.
|
|
// Don't assume 'page' is still available to use.
|
|
if (m_frame.isMainFrame() && m_frame.page()) {
|
|
ASSERT(&m_frame.page()->mainFrame() == &m_frame);
|
|
m_frame.page()->diagnosticLoggingClient().logDiagnosticMessageWithResult(DiagnosticLoggingKeys::pageLoadedKey(), emptyString(), error.isNull() ? DiagnosticLoggingResultPass : DiagnosticLoggingResultFail, ShouldSample::Yes);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
case FrameState::Complete:
|
|
m_loadType = FrameLoadType::Standard;
|
|
frameLoadCompleted();
|
|
return;
|
|
}
|
|
|
|
ASSERT_NOT_REACHED();
|
|
}
|
|
|
|
void FrameLoader::setOriginalURLForDownloadRequest(ResourceRequest& request)
|
|
{
|
|
// FIXME: Rename firstPartyForCookies back to mainDocumentURL. It was a mistake to think that it was only used for cookies.
|
|
// The originalURL is defined as the URL of the page where the download was initiated.
|
|
URL originalURL;
|
|
auto* initiator = m_frame.document();
|
|
if (initiator) {
|
|
originalURL = initiator->firstPartyForCookies();
|
|
// If there is no main document URL, it means that this document is newly opened and just for download purpose.
|
|
// In this case, we need to set the originalURL to this document's opener's main document URL.
|
|
if (originalURL.isEmpty() && opener() && opener()->document()) {
|
|
originalURL = opener()->document()->firstPartyForCookies();
|
|
initiator = opener()->document();
|
|
}
|
|
}
|
|
// If the originalURL is the same as the requested URL, we are processing a download
|
|
// initiated directly without a page and do not need to specify the originalURL.
|
|
if (originalURL == request.url())
|
|
request.setFirstPartyForCookies(URL());
|
|
else
|
|
request.setFirstPartyForCookies(originalURL);
|
|
addSameSiteInfoToRequestIfNeeded(request, initiator);
|
|
}
|
|
|
|
void FrameLoader::didReachLayoutMilestone(OptionSet<LayoutMilestone> milestones)
|
|
{
|
|
ASSERT(m_frame.isMainFrame());
|
|
|
|
m_client->dispatchDidReachLayoutMilestone(milestones);
|
|
}
|
|
|
|
void FrameLoader::didFirstLayout()
|
|
{
|
|
#if PLATFORM(IOS_FAMILY)
|
|
// Only send layout-related delegate callbacks synchronously for the main frame to
|
|
// avoid reentering layout for the main frame while delivering a layout-related delegate
|
|
// callback for a subframe.
|
|
if (&m_frame != &m_frame.page()->mainFrame())
|
|
return;
|
|
#endif
|
|
if (m_frame.page() && isBackForwardLoadType(m_loadType))
|
|
history().restoreScrollPositionAndViewState();
|
|
|
|
if (m_stateMachine.committedFirstRealDocumentLoad() && !m_stateMachine.isDisplayingInitialEmptyDocument() && !m_stateMachine.firstLayoutDone())
|
|
m_stateMachine.advanceTo(FrameLoaderStateMachine::FirstLayoutDone);
|
|
}
|
|
|
|
void FrameLoader::didReachVisuallyNonEmptyState()
|
|
{
|
|
ASSERT(m_frame.isMainFrame());
|
|
m_client->dispatchDidReachVisuallyNonEmptyState();
|
|
}
|
|
|
|
void FrameLoader::frameLoadCompleted()
|
|
{
|
|
// Note: Can be called multiple times.
|
|
|
|
m_client->frameLoadCompleted();
|
|
|
|
history().updateForFrameLoadCompleted();
|
|
|
|
// After a canceled provisional load, firstLayoutDone is false.
|
|
// Reset it to true if we're displaying a page.
|
|
if (m_documentLoader && m_stateMachine.committedFirstRealDocumentLoad() && !m_stateMachine.isDisplayingInitialEmptyDocument() && !m_stateMachine.firstLayoutDone())
|
|
m_stateMachine.advanceTo(FrameLoaderStateMachine::FirstLayoutDone);
|
|
}
|
|
|
|
void FrameLoader::detachChildren()
|
|
{
|
|
// detachChildren() will fire the unload event in each subframe and the
|
|
// HTML specification states that the parent document's ignore-opens-during-unload counter while
|
|
// this event is being fired in its subframes:
|
|
// https://html.spec.whatwg.org/multipage/browsers.html#unload-a-document
|
|
IgnoreOpensDuringUnloadCountIncrementer ignoreOpensDuringUnloadCountIncrementer(m_frame.document());
|
|
|
|
// detachChildren() will fire the unload event in each subframe and the
|
|
// HTML specification states that navigations should be prevented during the prompt to unload algorithm:
|
|
// https://html.spec.whatwg.org/multipage/browsing-the-web.html#navigate
|
|
std::unique_ptr<NavigationDisabler> navigationDisabler;
|
|
if (m_frame.isMainFrame())
|
|
navigationDisabler = makeUnique<NavigationDisabler>(&m_frame);
|
|
|
|
// Any subframe inserted by unload event handlers executed in the loop below will not get unloaded
|
|
// because we create a copy of the subframes list before looping. Therefore, it would be unsafe to
|
|
// allow loading of subframes at this point.
|
|
SubframeLoadingDisabler subframeLoadingDisabler(m_frame.document());
|
|
|
|
Vector<Ref<Frame>, 16> childrenToDetach;
|
|
childrenToDetach.reserveInitialCapacity(m_frame.tree().childCount());
|
|
for (Frame* child = m_frame.tree().lastChild(); child; child = child->tree().previousSibling())
|
|
childrenToDetach.uncheckedAppend(*child);
|
|
for (auto& child : childrenToDetach)
|
|
child->loader().detachFromParent();
|
|
}
|
|
|
|
void FrameLoader::closeAndRemoveChild(Frame& child)
|
|
{
|
|
child.tree().detachFromParent();
|
|
|
|
child.setView(nullptr);
|
|
child.willDetachPage();
|
|
child.detachFromPage();
|
|
|
|
m_frame.tree().removeChild(child);
|
|
}
|
|
|
|
// Called every time a resource is completely loaded or an error is received.
|
|
void FrameLoader::checkLoadComplete()
|
|
{
|
|
m_shouldCallCheckLoadComplete = false;
|
|
|
|
if (!m_frame.page())
|
|
return;
|
|
|
|
ASSERT(m_client->hasWebView());
|
|
|
|
// FIXME: Always traversing the entire frame tree is a bit inefficient, but
|
|
// is currently needed in order to null out the previous history item for all frames.
|
|
Vector<Ref<Frame>, 16> frames;
|
|
for (Frame* frame = &m_frame.mainFrame(); frame; frame = frame->tree().traverseNext())
|
|
frames.append(*frame);
|
|
|
|
// To process children before their parents, iterate the vector backwards.
|
|
for (auto frame = frames.rbegin(); frame != frames.rend(); ++frame) {
|
|
if ((*frame)->page())
|
|
(*frame)->loader().checkLoadCompleteForThisFrame();
|
|
}
|
|
}
|
|
|
|
int FrameLoader::numPendingOrLoadingRequests(bool recurse) const
|
|
{
|
|
if (!recurse)
|
|
return m_frame.document()->cachedResourceLoader().requestCount();
|
|
|
|
int count = 0;
|
|
for (Frame* frame = &m_frame; frame; frame = frame->tree().traverseNext(&m_frame))
|
|
count += frame->document()->cachedResourceLoader().requestCount();
|
|
return count;
|
|
}
|
|
|
|
String FrameLoader::userAgent(const URL& url) const
|
|
{
|
|
String userAgent;
|
|
|
|
if (auto* documentLoader = m_frame.mainFrame().loader().activeDocumentLoader()) {
|
|
if (m_frame.settings().needsSiteSpecificQuirks())
|
|
userAgent = documentLoader->customUserAgentAsSiteSpecificQuirks();
|
|
if (userAgent.isEmpty())
|
|
userAgent = documentLoader->customUserAgent();
|
|
}
|
|
|
|
InspectorInstrumentation::applyUserAgentOverride(m_frame, userAgent);
|
|
|
|
if (!userAgent.isEmpty())
|
|
return userAgent;
|
|
|
|
return m_client->userAgent(url);
|
|
}
|
|
|
|
String FrameLoader::navigatorPlatform() const
|
|
{
|
|
if (auto* documentLoader = m_frame.mainFrame().loader().activeDocumentLoader()) {
|
|
auto& customNavigatorPlatform = documentLoader->customNavigatorPlatform();
|
|
if (!customNavigatorPlatform.isEmpty())
|
|
return customNavigatorPlatform;
|
|
}
|
|
return String();
|
|
}
|
|
|
|
void FrameLoader::dispatchOnloadEvents()
|
|
{
|
|
m_client->dispatchDidDispatchOnloadEvents();
|
|
|
|
if (documentLoader())
|
|
documentLoader()->dispatchOnloadEvents();
|
|
}
|
|
|
|
void FrameLoader::frameDetached()
|
|
{
|
|
// Calling stopAllLoadersAndCheckCompleteness() can cause the frame to be deallocated, including the frame loader.
|
|
Ref<Frame> protectedFrame(m_frame);
|
|
|
|
if (m_checkTimer.isActive()) {
|
|
m_checkTimer.stop();
|
|
checkCompletenessNow();
|
|
}
|
|
|
|
if (m_frame.document()->backForwardCacheState() != Document::InBackForwardCache) {
|
|
stopAllLoadersAndCheckCompleteness();
|
|
m_frame.document()->stopActiveDOMObjects();
|
|
}
|
|
|
|
detachFromParent();
|
|
}
|
|
|
|
void FrameLoader::detachFromParent()
|
|
{
|
|
// Calling stopAllLoaders() can cause the frame to be deallocated, including the frame loader.
|
|
Ref<Frame> protect(m_frame);
|
|
|
|
closeURL();
|
|
history().saveScrollPositionAndViewStateToItem(history().currentItem());
|
|
detachChildren();
|
|
if (m_frame.document()->backForwardCacheState() != Document::InBackForwardCache) {
|
|
// stopAllLoaders() needs to be called after detachChildren() if the document is not in the back/forward cache,
|
|
// because detachedChildren() will trigger the unload event handlers of any child frames, and those event
|
|
// handlers might start a new subresource load in this frame.
|
|
stopAllLoaders(ClearProvisionalItem::Yes, StopLoadingPolicy::AlwaysStopLoading);
|
|
}
|
|
|
|
InspectorInstrumentation::frameDetachedFromParent(m_frame);
|
|
|
|
detachViewsAndDocumentLoader();
|
|
|
|
m_progressTracker = nullptr;
|
|
|
|
if (Frame* parent = m_frame.tree().parent()) {
|
|
parent->loader().closeAndRemoveChild(m_frame);
|
|
parent->loader().scheduleCheckCompleted();
|
|
parent->loader().scheduleCheckLoadComplete();
|
|
} else {
|
|
m_frame.setView(nullptr);
|
|
m_frame.willDetachPage();
|
|
m_frame.detachFromPage();
|
|
}
|
|
}
|
|
|
|
void FrameLoader::detachViewsAndDocumentLoader()
|
|
{
|
|
m_client->detachedFromParent2();
|
|
setDocumentLoader(nullptr);
|
|
m_client->detachedFromParent3();
|
|
}
|
|
|
|
ResourceRequestCachePolicy FrameLoader::defaultRequestCachingPolicy(const ResourceRequest& request, FrameLoadType loadType, bool isMainResource)
|
|
{
|
|
if (m_overrideCachePolicyForTesting)
|
|
return m_overrideCachePolicyForTesting.value();
|
|
|
|
if (isMainResource) {
|
|
if (isReload(loadType) || request.isConditional())
|
|
return ResourceRequestCachePolicy::ReloadIgnoringCacheData;
|
|
|
|
return ResourceRequestCachePolicy::UseProtocolCachePolicy;
|
|
}
|
|
|
|
if (request.isConditional())
|
|
return ResourceRequestCachePolicy::ReloadIgnoringCacheData;
|
|
|
|
auto* documentLoader = this->documentLoader();
|
|
if (documentLoader && documentLoader->isLoadingInAPISense()) {
|
|
// If we inherit cache policy from a main resource, we use the DocumentLoader's
|
|
// original request cache policy for two reasons:
|
|
// 1. For POST requests, we mutate the cache policy for the main resource,
|
|
// but we do not want this to apply to subresources
|
|
// 2. Delegates that modify the cache policy using willSendRequest: should
|
|
// not affect any other resources. Such changes need to be done
|
|
// per request.
|
|
ResourceRequestCachePolicy mainDocumentOriginalCachePolicy = documentLoader->originalRequest().cachePolicy();
|
|
// Back-forward navigations try to load main resource from cache only to avoid re-submitting form data, and start over (with a warning dialog) if that fails.
|
|
// This policy is set on initial request too, but should not be inherited.
|
|
return (mainDocumentOriginalCachePolicy == ResourceRequestCachePolicy::ReturnCacheDataDontLoad) ? ResourceRequestCachePolicy::ReturnCacheDataElseLoad : mainDocumentOriginalCachePolicy;
|
|
}
|
|
|
|
return ResourceRequestCachePolicy::UseProtocolCachePolicy;
|
|
}
|
|
|
|
void FrameLoader::updateRequestAndAddExtraFields(ResourceRequest& request, IsMainResource mainResource, FrameLoadType loadType, ShouldUpdateAppInitiatedValue shouldUpdate)
|
|
{
|
|
// If the request came from a previous process due to process-swap-on-navigation then we should not modify the request.
|
|
if (m_currentLoadContinuingState == LoadContinuingState::ContinuingWithRequest)
|
|
return;
|
|
|
|
// Don't set the cookie policy URL if it's already been set.
|
|
// But make sure to set it on all requests regardless of protocol, as it has significance beyond the cookie policy (<rdar://problem/6616664>).
|
|
bool isMainResource = mainResource == IsMainResource::Yes;
|
|
bool isMainFrameMainResource = isMainResource && m_frame.isMainFrame();
|
|
if (request.firstPartyForCookies().isEmpty()) {
|
|
if (isMainFrameMainResource)
|
|
request.setFirstPartyForCookies(request.url());
|
|
else if (Document* document = m_frame.document())
|
|
request.setFirstPartyForCookies(document->firstPartyForCookies());
|
|
}
|
|
|
|
if (request.isSameSiteUnspecified()) {
|
|
auto* initiator = m_frame.document();
|
|
if (isMainResource) {
|
|
auto* ownerFrame = m_frame.tree().parent();
|
|
if (!ownerFrame && m_stateMachine.isDisplayingInitialEmptyDocument())
|
|
ownerFrame = m_opener.get();
|
|
if (ownerFrame)
|
|
initiator = ownerFrame->document();
|
|
ASSERT(ownerFrame || m_frame.isMainFrame());
|
|
}
|
|
addSameSiteInfoToRequestIfNeeded(request, initiator);
|
|
}
|
|
request.setIsTopSite(isMainFrameMainResource);
|
|
|
|
Page* page = frame().page();
|
|
bool hasSpecificCachePolicy = request.cachePolicy() != ResourceRequestCachePolicy::UseProtocolCachePolicy;
|
|
|
|
if (page && page->isResourceCachingDisabledByWebInspector()) {
|
|
request.setCachePolicy(ResourceRequestCachePolicy::ReloadIgnoringCacheData);
|
|
loadType = FrameLoadType::ReloadFromOrigin;
|
|
} else if (!hasSpecificCachePolicy)
|
|
request.setCachePolicy(defaultRequestCachingPolicy(request, loadType, isMainResource));
|
|
|
|
// The remaining modifications are only necessary for HTTP and HTTPS.
|
|
if (!request.url().isEmpty() && !request.url().protocolIsInHTTPFamily())
|
|
return;
|
|
|
|
if (!hasSpecificCachePolicy && request.cachePolicy() == ResourceRequestCachePolicy::ReloadIgnoringCacheData) {
|
|
if (loadType == FrameLoadType::Reload)
|
|
request.setHTTPHeaderField(HTTPHeaderName::CacheControl, HTTPHeaderValues::maxAge0());
|
|
else if (loadType == FrameLoadType::ReloadFromOrigin) {
|
|
request.setHTTPHeaderField(HTTPHeaderName::CacheControl, HTTPHeaderValues::noCache());
|
|
request.setHTTPHeaderField(HTTPHeaderName::Pragma, HTTPHeaderValues::noCache());
|
|
}
|
|
}
|
|
|
|
if (m_overrideResourceLoadPriorityForTesting)
|
|
request.setPriority(m_overrideResourceLoadPriorityForTesting.value());
|
|
|
|
// Make sure we send the Origin header.
|
|
addHTTPOriginIfNeeded(request, String());
|
|
|
|
applyUserAgentIfNeeded(request);
|
|
|
|
if (isMainResource)
|
|
request.setHTTPHeaderField(HTTPHeaderName::Accept, CachedResourceRequest::acceptHeaderValueFromType(CachedResource::Type::MainResource));
|
|
|
|
// Only set fallback array if it's still empty (later attempts may be incorrect, see bug 117818).
|
|
if (request.responseContentDispositionEncodingFallbackArray().isEmpty()) {
|
|
// Always try UTF-8. If that fails, try frame encoding (if any) and then the default.
|
|
request.setResponseContentDispositionEncodingFallbackArray("UTF-8", m_frame.document()->encoding(), m_frame.settings().defaultTextEncodingName());
|
|
}
|
|
|
|
if (shouldUpdate == ShouldUpdateAppInitiatedValue::Yes && m_frame.mainFrame().loader().documentLoader())
|
|
request.setIsAppInitiated(m_frame.mainFrame().loader().documentLoader()->lastNavigationWasAppInitiated());
|
|
}
|
|
|
|
void FrameLoader::scheduleRefreshIfNeeded(Document& document, const String& content, IsMetaRefresh isMetaRefresh)
|
|
{
|
|
double delay = 0;
|
|
String urlString;
|
|
if (parseMetaHTTPEquivRefresh(content, delay, urlString)) {
|
|
auto completedURL = urlString.isEmpty() ? document.url() : document.completeURL(urlString);
|
|
if (!completedURL.protocolIsJavaScript())
|
|
m_frame.navigationScheduler().scheduleRedirect(document, delay, completedURL, isMetaRefresh);
|
|
else {
|
|
String message = "Refused to refresh " + document.url().stringCenterEllipsizedToLength() + " to a javascript: URL";
|
|
document.addConsoleMessage(MessageSource::Security, MessageLevel::Error, message);
|
|
}
|
|
}
|
|
}
|
|
|
|
void FrameLoader::addHTTPOriginIfNeeded(ResourceRequest& request, const String& origin)
|
|
{
|
|
if (!request.httpOrigin().isEmpty())
|
|
return; // Request already has an Origin header.
|
|
|
|
// Don't send an Origin header for GET or HEAD to avoid privacy issues.
|
|
// For example, if an intranet page has a hyperlink to an external web
|
|
// site, we don't want to include the Origin of the request because it
|
|
// will leak the internal host name. Similar privacy concerns have lead
|
|
// to the widespread suppression of the Referer header at the network
|
|
// layer.
|
|
if (request.httpMethod() == "GET" || request.httpMethod() == "HEAD")
|
|
return;
|
|
|
|
// FIXME: take referrer-policy into account.
|
|
// https://bugs.webkit.org/show_bug.cgi?id=209066
|
|
|
|
// For non-GET and non-HEAD methods, always send an Origin header so the
|
|
// server knows we support this feature.
|
|
|
|
if (origin.isEmpty()) {
|
|
// If we don't know what origin header to attach, we attach the value
|
|
// for an empty origin.
|
|
request.setHTTPOrigin(SecurityOrigin::createUnique()->toString());
|
|
return;
|
|
}
|
|
|
|
request.setHTTPOrigin(origin);
|
|
}
|
|
|
|
// Implements the "'Same-site' and 'cross-site' Requests" algorithm from <https://tools.ietf.org/html/draft-ietf-httpbis-cookie-same-site-00#section-2.1>.
|
|
// The algorithm is ammended to treat URLs that inherit their security origin from their owner (e.g. about:blank)
|
|
// as same-site. This matches the behavior of Chrome and Firefox.
|
|
void FrameLoader::addSameSiteInfoToRequestIfNeeded(ResourceRequest& request, const Document* initiator)
|
|
{
|
|
if (!request.isSameSiteUnspecified())
|
|
return;
|
|
if (!initiator) {
|
|
request.setIsSameSite(true);
|
|
return;
|
|
}
|
|
if (SecurityPolicy::shouldInheritSecurityOriginFromOwner(request.url())) {
|
|
request.setIsSameSite(true);
|
|
return;
|
|
}
|
|
request.setIsSameSite(areRegistrableDomainsEqual(initiator->siteForCookies(), request.url()));
|
|
}
|
|
|
|
void FrameLoader::loadPostRequest(FrameLoadRequest&& request, const String& referrer, FrameLoadType loadType, Event* event, RefPtr<FormState>&& formState, CompletionHandler<void()>&& completionHandler)
|
|
{
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "loadPostRequest: frame load started");
|
|
|
|
String frameName = request.frameName();
|
|
LockHistory lockHistory = request.lockHistory();
|
|
AllowNavigationToInvalidURL allowNavigationToInvalidURL = request.allowNavigationToInvalidURL();
|
|
NewFrameOpenerPolicy openerPolicy = request.newFrameOpenerPolicy();
|
|
|
|
const ResourceRequest& inRequest = request.resourceRequest();
|
|
const URL& url = inRequest.url();
|
|
const String& contentType = inRequest.httpContentType();
|
|
String origin = inRequest.httpOrigin();
|
|
|
|
ResourceRequest workingResourceRequest(url);
|
|
|
|
if (!referrer.isEmpty())
|
|
workingResourceRequest.setHTTPReferrer(referrer);
|
|
workingResourceRequest.setHTTPOrigin(origin);
|
|
workingResourceRequest.setHTTPMethod("POST");
|
|
workingResourceRequest.setHTTPBody(inRequest.httpBody());
|
|
workingResourceRequest.setHTTPContentType(contentType);
|
|
updateRequestAndAddExtraFields(workingResourceRequest, IsMainResource::Yes, loadType);
|
|
|
|
if (Document* document = m_frame.document())
|
|
document->contentSecurityPolicy()->upgradeInsecureRequestIfNeeded(workingResourceRequest, ContentSecurityPolicy::InsecureRequestType::Load);
|
|
|
|
NavigationAction action { request.requester(), workingResourceRequest, request.initiatedByMainFrame(), loadType, true, event, request.shouldOpenExternalURLsPolicy(), { } };
|
|
action.setLockHistory(lockHistory);
|
|
|
|
if (!frameName.isEmpty()) {
|
|
// The search for a target frame is done earlier in the case of form submission.
|
|
if (auto* targetFrame = formState ? nullptr : findFrameForNavigation(frameName)) {
|
|
targetFrame->loader().loadWithNavigationAction(workingResourceRequest, WTFMove(action), loadType, WTFMove(formState), allowNavigationToInvalidURL, WTFMove(completionHandler));
|
|
return;
|
|
}
|
|
|
|
// https://html.spec.whatwg.org/#the-rules-for-choosing-a-browsing-context-given-a-browsing-context-name (Step 8.2)
|
|
if (request.requester().shouldForceNoOpenerBasedOnCOOP()) {
|
|
frameName = "_blank"_s;
|
|
openerPolicy = NewFrameOpenerPolicy::Suppress;
|
|
}
|
|
|
|
policyChecker().checkNewWindowPolicy(WTFMove(action), WTFMove(workingResourceRequest), WTFMove(formState), frameName, [this, allowNavigationToInvalidURL, openerPolicy, completionHandler = WTFMove(completionHandler)] (const ResourceRequest& request, WeakPtr<FormState>&& formState, const String& frameName, const NavigationAction& action, ShouldContinuePolicyCheck shouldContinue) mutable {
|
|
continueLoadAfterNewWindowPolicy(request, formState.get(), frameName, action, shouldContinue, allowNavigationToInvalidURL, openerPolicy);
|
|
completionHandler();
|
|
});
|
|
return;
|
|
}
|
|
|
|
// must grab this now, since this load may stop the previous load and clear this flag
|
|
bool isRedirect = m_quickRedirectComing;
|
|
loadWithNavigationAction(workingResourceRequest, WTFMove(action), loadType, WTFMove(formState), allowNavigationToInvalidURL, [this, isRedirect, protectedFrame = makeRef(m_frame), completionHandler = WTFMove(completionHandler)] () mutable {
|
|
if (isRedirect) {
|
|
m_quickRedirectComing = false;
|
|
if (m_provisionalDocumentLoader)
|
|
m_provisionalDocumentLoader->setIsClientRedirect(true);
|
|
else if (m_policyDocumentLoader)
|
|
m_policyDocumentLoader->setIsClientRedirect(true);
|
|
}
|
|
completionHandler();
|
|
});
|
|
}
|
|
|
|
unsigned long FrameLoader::loadResourceSynchronously(const ResourceRequest& request, ClientCredentialPolicy clientCredentialPolicy, const FetchOptions& options, const HTTPHeaderMap& originalRequestHeaders, ResourceError& error, ResourceResponse& response, RefPtr<SharedBuffer>& data)
|
|
{
|
|
ASSERT(m_frame.document());
|
|
String referrer = SecurityPolicy::generateReferrerHeader(m_frame.document()->referrerPolicy(), request.url(), outgoingReferrer());
|
|
|
|
ResourceRequest initialRequest = request;
|
|
initialRequest.setTimeoutInterval(10);
|
|
|
|
if (!referrer.isEmpty())
|
|
initialRequest.setHTTPReferrer(referrer);
|
|
addHTTPOriginIfNeeded(initialRequest, outgoingOrigin());
|
|
|
|
initialRequest.setFirstPartyForCookies(m_frame.mainFrame().loader().documentLoader()->request().url());
|
|
|
|
updateRequestAndAddExtraFields(initialRequest, IsMainResource::No);
|
|
|
|
applyUserAgentIfNeeded(initialRequest);
|
|
|
|
unsigned long identifier = 0;
|
|
ResourceRequest newRequest(initialRequest);
|
|
requestFromDelegate(newRequest, identifier, error);
|
|
|
|
#if ENABLE(CONTENT_EXTENSIONS)
|
|
if (error.isNull()) {
|
|
if (auto* page = m_frame.page()) {
|
|
if (m_documentLoader) {
|
|
auto results = page->userContentProvider().processContentRuleListsForLoad(*page, newRequest.url(), ContentExtensions::ResourceType::Fetch, *m_documentLoader);
|
|
bool blockedLoad = results.summary.blockedLoad;
|
|
ContentExtensions::applyResultsToRequest(WTFMove(results), page, newRequest);
|
|
if (blockedLoad) {
|
|
newRequest = { };
|
|
error = ResourceError(errorDomainWebKitInternal, 0, initialRequest.url(), emptyString());
|
|
response = { };
|
|
data = nullptr;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
m_frame.document()->contentSecurityPolicy()->upgradeInsecureRequestIfNeeded(newRequest, ContentSecurityPolicy::InsecureRequestType::Load);
|
|
|
|
if (error.isNull()) {
|
|
ASSERT(!newRequest.isNull());
|
|
|
|
if (!documentLoader()->applicationCacheHost().maybeLoadSynchronously(newRequest, error, response, data)) {
|
|
Vector<uint8_t> buffer;
|
|
platformStrategies()->loaderStrategy()->loadResourceSynchronously(*this, identifier, newRequest, clientCredentialPolicy, options, originalRequestHeaders, error, response, buffer);
|
|
data = SharedBuffer::create(WTFMove(buffer));
|
|
documentLoader()->applicationCacheHost().maybeLoadFallbackSynchronously(newRequest, error, response, data);
|
|
ResourceLoadObserver::shared().logSubresourceLoading(&m_frame, newRequest, response,
|
|
(isScriptLikeDestination(options.destination) ? ResourceLoadObserver::FetchDestinationIsScriptLike::Yes : ResourceLoadObserver::FetchDestinationIsScriptLike::No));
|
|
}
|
|
}
|
|
notifier().sendRemainingDelegateMessages(m_documentLoader.get(), identifier, request, response, data ? data->data() : nullptr, data ? data->size() : 0, -1, error);
|
|
return identifier;
|
|
}
|
|
|
|
void FrameLoader::receivedMainResourceError(const ResourceError& error)
|
|
{
|
|
// Retain because the stop may release the last reference to it.
|
|
Ref<Frame> protect(m_frame);
|
|
|
|
RefPtr<DocumentLoader> loader = activeDocumentLoader();
|
|
// FIXME: Don't want to do this if an entirely new load is going, so should check
|
|
// that both data sources on the frame are either this or nil.
|
|
stop();
|
|
if (m_client->shouldFallBack(error)) {
|
|
HTMLFrameOwnerElement* owner = m_frame.ownerElement();
|
|
if (is<HTMLObjectElement>(owner))
|
|
downcast<HTMLObjectElement>(*owner).renderFallbackContent();
|
|
}
|
|
|
|
if (m_state == FrameState::Provisional && m_provisionalDocumentLoader) {
|
|
if (m_submittedFormURL == m_provisionalDocumentLoader->originalRequestCopy().url())
|
|
m_submittedFormURL = URL();
|
|
|
|
// We might have made a back/forward cache item, but now we're bailing out due to an error before we ever
|
|
// transitioned to the new page (before WebFrameState == commit). The goal here is to restore any state
|
|
// so that the existing view (that wenever got far enough to replace) can continue being used.
|
|
history().invalidateCurrentItemCachedPage();
|
|
|
|
// Call clientRedirectCancelledOrFinished here so that the frame load delegate is notified that the redirect's
|
|
// status has changed, if there was a redirect. The frame load delegate may have saved some state about
|
|
// the redirect in its -webView:willPerformClientRedirectToURL:delay:fireDate:forFrame:. Since we are definitely
|
|
// not going to use this provisional resource, as it was cancelled, notify the frame load delegate that the redirect
|
|
// has ended.
|
|
if (m_sentRedirectNotification)
|
|
clientRedirectCancelledOrFinished(NewLoadInProgress::No);
|
|
}
|
|
|
|
checkCompleted();
|
|
if (m_frame.page())
|
|
checkLoadComplete();
|
|
}
|
|
|
|
void FrameLoader::continueFragmentScrollAfterNavigationPolicy(const ResourceRequest& request, bool shouldContinue)
|
|
{
|
|
m_quickRedirectComing = false;
|
|
|
|
if (!shouldContinue)
|
|
return;
|
|
|
|
// Calling stopLoading() on the provisional document loader can cause the underlying
|
|
// frame to be deallocated.
|
|
Ref<Frame> protectedFrame(m_frame);
|
|
|
|
// If we have a provisional request for a different document, a fragment scroll should cancel it.
|
|
if (m_provisionalDocumentLoader && !equalIgnoringFragmentIdentifier(m_provisionalDocumentLoader->request().url(), request.url())) {
|
|
m_provisionalDocumentLoader->stopLoading();
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "continueFragmentScrollAfterNavigationPolicy: Clearing provisional document loader (m_provisionalDocumentLoader=%p)", m_provisionalDocumentLoader.get());
|
|
setProvisionalDocumentLoader(nullptr);
|
|
}
|
|
|
|
bool isRedirect = m_quickRedirectComing || policyChecker().loadType() == FrameLoadType::RedirectWithLockedBackForwardList;
|
|
loadInSameDocument(request.url(), 0, !isRedirect);
|
|
}
|
|
|
|
bool FrameLoader::shouldPerformFragmentNavigation(bool isFormSubmission, const String& httpMethod, FrameLoadType loadType, const URL& url)
|
|
{
|
|
// We don't do this if we are submitting a form with method other than "GET", explicitly reloading,
|
|
// currently displaying a frameset, or if the URL does not have a fragment.
|
|
// These rules were originally based on what KHTML was doing in KHTMLPart::openURL.
|
|
|
|
// FIXME: What about load types other than Standard and Reload?
|
|
|
|
return (!isFormSubmission || equalLettersIgnoringASCIICase(httpMethod, "get"))
|
|
&& !isReload(loadType)
|
|
&& loadType != FrameLoadType::Same
|
|
&& m_frame.document()->backForwardCacheState() != Document::InBackForwardCache
|
|
&& !shouldReload(m_frame.document()->url(), url)
|
|
// We don't want to just scroll if a link from within a
|
|
// frameset is trying to reload the frameset into _top.
|
|
&& !m_frame.document()->isFrameSet();
|
|
}
|
|
|
|
static bool itemAllowsScrollRestoration(HistoryItem* historyItem)
|
|
{
|
|
return !historyItem || historyItem->shouldRestoreScrollPosition();
|
|
}
|
|
|
|
static bool isSameDocumentReload(bool isNewNavigation, FrameLoadType loadType)
|
|
{
|
|
return !isNewNavigation && !isBackForwardLoadType(loadType);
|
|
}
|
|
|
|
void FrameLoader::scrollToFragmentWithParentBoundary(const URL& url, bool isNewNavigation)
|
|
{
|
|
auto view = makeRefPtr(m_frame.view());
|
|
auto document = makeRefPtr(m_frame.document());
|
|
if (!view || !document)
|
|
return;
|
|
|
|
if (isSameDocumentReload(isNewNavigation, m_loadType) || itemAllowsScrollRestoration(history().currentItem())) {
|
|
// https://html.spec.whatwg.org/multipage/browsing-the-web.html#try-to-scroll-to-the-fragment
|
|
if (!document->haveStylesheetsLoaded())
|
|
document->setGotoAnchorNeededAfterStylesheetsLoad(true);
|
|
else
|
|
view->scrollToFragment(url);
|
|
}
|
|
|
|
}
|
|
|
|
bool FrameLoader::shouldClose()
|
|
{
|
|
Page* page = m_frame.page();
|
|
if (!page)
|
|
return true;
|
|
if (!page->chrome().canRunBeforeUnloadConfirmPanel())
|
|
return true;
|
|
|
|
// Store all references to each subframe in advance since beforeunload's event handler may modify frame
|
|
Vector<Ref<Frame>, 16> targetFrames;
|
|
targetFrames.append(m_frame);
|
|
for (Frame* child = m_frame.tree().firstChild(); child; child = child->tree().traverseNext(&m_frame))
|
|
targetFrames.append(*child);
|
|
|
|
bool shouldClose = false;
|
|
{
|
|
NavigationDisabler navigationDisabler(&m_frame);
|
|
IgnoreOpensDuringUnloadCountIncrementer ignoreOpensDuringUnloadCountIncrementer(m_frame.document());
|
|
size_t i;
|
|
|
|
for (i = 0; i < targetFrames.size(); i++) {
|
|
if (!targetFrames[i]->tree().isDescendantOf(&m_frame))
|
|
continue;
|
|
if (!targetFrames[i]->loader().dispatchBeforeUnloadEvent(page->chrome(), this))
|
|
break;
|
|
}
|
|
|
|
if (i == targetFrames.size())
|
|
shouldClose = true;
|
|
}
|
|
|
|
if (!shouldClose)
|
|
m_submittedFormURL = URL();
|
|
|
|
m_currentNavigationHasShownBeforeUnloadConfirmPanel = false;
|
|
return shouldClose;
|
|
}
|
|
|
|
void FrameLoader::dispatchUnloadEvents(UnloadEventPolicy unloadEventPolicy)
|
|
{
|
|
if (!m_frame.document())
|
|
return;
|
|
|
|
if (m_pageDismissalEventBeingDispatched != PageDismissalType::None)
|
|
return;
|
|
|
|
// We store the frame's page in a local variable because the frame might get detached inside dispatchEvent.
|
|
ForbidPromptsScope forbidPrompts(m_frame.page());
|
|
ForbidSynchronousLoadsScope forbidSynchronousLoads(m_frame.page());
|
|
IgnoreOpensDuringUnloadCountIncrementer ignoreOpensDuringUnloadCountIncrementer(m_frame.document());
|
|
|
|
if (m_didCallImplicitClose && !m_wasUnloadEventEmitted) {
|
|
auto* currentFocusedElement = m_frame.document()->focusedElement();
|
|
if (is<HTMLInputElement>(currentFocusedElement))
|
|
downcast<HTMLInputElement>(*currentFocusedElement).endEditing();
|
|
if (m_pageDismissalEventBeingDispatched == PageDismissalType::None) {
|
|
if (unloadEventPolicy == UnloadEventPolicy::UnloadAndPageHide) {
|
|
m_pageDismissalEventBeingDispatched = PageDismissalType::PageHide;
|
|
m_frame.document()->domWindow()->dispatchEvent(PageTransitionEvent::create(eventNames().pagehideEvent, m_frame.document()->backForwardCacheState() == Document::AboutToEnterBackForwardCache), m_frame.document());
|
|
}
|
|
|
|
// This takes care of firing the visibilitychange event and making sure the document is reported as hidden.
|
|
m_frame.document()->setVisibilityHiddenDueToDismissal(true);
|
|
|
|
if (m_frame.document()->backForwardCacheState() == Document::NotInBackForwardCache) {
|
|
Ref<Event> unloadEvent(Event::create(eventNames().unloadEvent, Event::CanBubble::No, Event::IsCancelable::No));
|
|
// The DocumentLoader (and thus its DocumentLoadTiming) might get destroyed
|
|
// while dispatching the event, so protect it to prevent writing the end
|
|
// time into freed memory.
|
|
RefPtr<DocumentLoader> documentLoader = m_provisionalDocumentLoader;
|
|
auto* timing = documentLoader ? &documentLoader->timing() : nullptr;
|
|
m_pageDismissalEventBeingDispatched = PageDismissalType::Unload;
|
|
if (timing && !timing->unloadEventStart())
|
|
timing->markUnloadEventStart();
|
|
m_frame.document()->domWindow()->dispatchEvent(unloadEvent, m_frame.document());
|
|
if (timing && !timing->unloadEventEnd())
|
|
timing->markUnloadEventEnd();
|
|
}
|
|
}
|
|
m_pageDismissalEventBeingDispatched = PageDismissalType::None;
|
|
m_wasUnloadEventEmitted = true;
|
|
}
|
|
|
|
// Dispatching the unload event could have made m_frame.document() null.
|
|
if (!m_frame.document())
|
|
return;
|
|
|
|
if (m_frame.document()->backForwardCacheState() != Document::NotInBackForwardCache)
|
|
return;
|
|
|
|
// Don't remove event listeners from a transitional empty document (see bug 28716 for more information).
|
|
bool keepEventListeners = m_stateMachine.isDisplayingInitialEmptyDocument() && m_provisionalDocumentLoader
|
|
&& m_frame.document()->isSecureTransitionTo(m_provisionalDocumentLoader->url());
|
|
|
|
if (!keepEventListeners)
|
|
m_frame.document()->removeAllEventListeners();
|
|
}
|
|
|
|
static bool shouldAskForNavigationConfirmation(Document& document, const BeforeUnloadEvent& event)
|
|
{
|
|
// Confirmation dialog should not be displayed when the allow-modals flag is not set.
|
|
if (document.isSandboxed(SandboxModals))
|
|
return false;
|
|
|
|
bool userDidInteractWithPage = document.topDocument().userDidInteractWithPage();
|
|
// Web pages can request we ask for confirmation before navigating by:
|
|
// - Cancelling the BeforeUnloadEvent (modern way)
|
|
// - Setting the returnValue attribute on the BeforeUnloadEvent to a non-empty string.
|
|
// - Returning a non-empty string from the event handler, which is then set as returnValue
|
|
// attribute on the BeforeUnloadEvent.
|
|
return userDidInteractWithPage && (event.defaultPrevented() || !event.returnValue().isEmpty());
|
|
}
|
|
|
|
bool FrameLoader::dispatchBeforeUnloadEvent(Chrome& chrome, FrameLoader* frameLoaderBeingNavigated)
|
|
{
|
|
DOMWindow* domWindow = m_frame.document()->domWindow();
|
|
if (!domWindow)
|
|
return true;
|
|
|
|
RefPtr<Document> document = m_frame.document();
|
|
if (!document->bodyOrFrameset())
|
|
return true;
|
|
|
|
Ref<BeforeUnloadEvent> beforeUnloadEvent = BeforeUnloadEvent::create();
|
|
|
|
{
|
|
SetForScope<PageDismissalType> change(m_pageDismissalEventBeingDispatched, PageDismissalType::BeforeUnload);
|
|
ForbidPromptsScope forbidPrompts(m_frame.page());
|
|
ForbidSynchronousLoadsScope forbidSynchronousLoads(m_frame.page());
|
|
domWindow->dispatchEvent(beforeUnloadEvent, domWindow->document());
|
|
}
|
|
|
|
if (!beforeUnloadEvent->defaultPrevented())
|
|
document->defaultEventHandler(beforeUnloadEvent.get());
|
|
|
|
if (!shouldAskForNavigationConfirmation(*document, beforeUnloadEvent))
|
|
return true;
|
|
|
|
// If the navigating FrameLoader has already shown a beforeunload confirmation panel for the current navigation attempt,
|
|
// this frame is not allowed to cause another one to be shown.
|
|
if (frameLoaderBeingNavigated->m_currentNavigationHasShownBeforeUnloadConfirmPanel) {
|
|
document->addConsoleMessage(MessageSource::JS, MessageLevel::Error, "Blocked attempt to show multiple beforeunload confirmation dialogs for the same navigation."_s);
|
|
return true;
|
|
}
|
|
|
|
// We should only display the beforeunload dialog for an iframe if its SecurityOrigin matches all
|
|
// ancestor frame SecurityOrigins up through the navigating FrameLoader.
|
|
if (frameLoaderBeingNavigated != this) {
|
|
Frame* parentFrame = m_frame.tree().parent();
|
|
while (parentFrame) {
|
|
Document* parentDocument = parentFrame->document();
|
|
if (!parentDocument)
|
|
return true;
|
|
if (!m_frame.document() || !m_frame.document()->securityOrigin().isSameOriginDomain(parentDocument->securityOrigin())) {
|
|
document->addConsoleMessage(MessageSource::JS, MessageLevel::Error, "Blocked attempt to show beforeunload confirmation dialog on behalf of a frame with different security origin. Protocols, domains, and ports must match."_s);
|
|
return true;
|
|
}
|
|
|
|
if (&parentFrame->loader() == frameLoaderBeingNavigated)
|
|
break;
|
|
|
|
parentFrame = parentFrame->tree().parent();
|
|
}
|
|
|
|
// The navigatingFrameLoader should always be in our ancestory.
|
|
ASSERT(parentFrame);
|
|
ASSERT(&parentFrame->loader() == frameLoaderBeingNavigated);
|
|
}
|
|
|
|
frameLoaderBeingNavigated->m_currentNavigationHasShownBeforeUnloadConfirmPanel = true;
|
|
|
|
String text = document->displayStringModifiedByEncoding(beforeUnloadEvent->returnValue());
|
|
return chrome.runBeforeUnloadConfirmPanel(text, m_frame);
|
|
}
|
|
|
|
void FrameLoader::continueLoadAfterNavigationPolicy(const ResourceRequest& request, FormState* formState, NavigationPolicyDecision navigationPolicyDecision, AllowNavigationToInvalidURL allowNavigationToInvalidURL)
|
|
{
|
|
// If we loaded an alternate page to replace an unreachableURL, we'll get in here with a
|
|
// nil policyDataSource because loading the alternate page will have passed
|
|
// through this method already, nested; otherwise, policyDataSource should still be set.
|
|
ASSERT(m_policyDocumentLoader || !m_provisionalDocumentLoader->unreachableURL().isEmpty());
|
|
|
|
bool isTargetItem = history().provisionalItem() ? history().provisionalItem()->isTargetItem() : false;
|
|
|
|
bool urlIsDisallowed = allowNavigationToInvalidURL == AllowNavigationToInvalidURL::No && !request.url().isValid();
|
|
bool canContinue = navigationPolicyDecision == NavigationPolicyDecision::ContinueLoad && shouldClose() && !urlIsDisallowed;
|
|
|
|
if (!canContinue) {
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "continueLoadAfterNavigationPolicy: can't continue loading frame due to the following reasons ("
|
|
"allowNavigationToInvalidURL = %d, "
|
|
"requestURLIsValid = %d, "
|
|
"navigationPolicyDecision = %d)",
|
|
static_cast<int>(allowNavigationToInvalidURL),
|
|
request.url().isValid(),
|
|
static_cast<int>(navigationPolicyDecision));
|
|
|
|
// If we were waiting for a quick redirect, but the policy delegate decided to ignore it, then we
|
|
// need to report that the client redirect was cancelled.
|
|
// FIXME: The client should be told about ignored non-quick redirects, too.
|
|
if (m_quickRedirectComing)
|
|
clientRedirectCancelledOrFinished(NewLoadInProgress::No);
|
|
|
|
if (navigationPolicyDecision == NavigationPolicyDecision::StopAllLoads) {
|
|
stopAllLoaders();
|
|
m_checkTimer.stop();
|
|
}
|
|
|
|
setPolicyDocumentLoader(nullptr);
|
|
checkCompleted();
|
|
|
|
if (navigationPolicyDecision != NavigationPolicyDecision::StopAllLoads)
|
|
checkLoadComplete();
|
|
|
|
// If the navigation request came from the back/forward menu, and we punt on it, we have the
|
|
// problem that we have optimistically moved the b/f cursor already, so move it back. For sanity,
|
|
// we only do this when punting a navigation for the target frame or top-level frame.
|
|
if ((isTargetItem || m_frame.isMainFrame()) && isBackForwardLoadType(policyChecker().loadType())) {
|
|
if (Page* page = m_frame.page()) {
|
|
if (HistoryItem* resetItem = m_frame.mainFrame().loader().history().currentItem())
|
|
page->backForward().setCurrentItem(*resetItem);
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
FrameLoadType type = policyChecker().loadType();
|
|
// A new navigation is in progress, so don't clear the history's provisional item.
|
|
stopAllLoaders(ClearProvisionalItem::No);
|
|
|
|
// <rdar://problem/6250856> - In certain circumstances on pages with multiple frames, stopAllLoaders()
|
|
// might detach the current FrameLoader, in which case we should bail on this newly defunct load.
|
|
if (!m_frame.page()) {
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "continueLoadAfterNavigationPolicy: can't continue loading frame because it became defunct");
|
|
return;
|
|
}
|
|
|
|
setProvisionalDocumentLoader(m_policyDocumentLoader.get());
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "continueLoadAfterNavigationPolicy: Setting provisional document loader (m_provisionalDocumentLoader=%p)", m_provisionalDocumentLoader.get());
|
|
m_loadType = type;
|
|
setState(FrameState::Provisional);
|
|
|
|
setPolicyDocumentLoader(nullptr);
|
|
|
|
if (isBackForwardLoadType(type)) {
|
|
auto& diagnosticLoggingClient = m_frame.page()->diagnosticLoggingClient();
|
|
if (history().provisionalItem() && history().provisionalItem()->isInBackForwardCache()) {
|
|
diagnosticLoggingClient.logDiagnosticMessageWithResult(DiagnosticLoggingKeys::backForwardCacheKey(), DiagnosticLoggingKeys::retrievalKey(), DiagnosticLoggingResultPass, ShouldSample::Yes);
|
|
loadProvisionalItemFromCachedPage();
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "continueLoadAfterNavigationPolicy: can't continue loading frame because it will be loaded from cache");
|
|
return;
|
|
}
|
|
diagnosticLoggingClient.logDiagnosticMessageWithResult(DiagnosticLoggingKeys::backForwardCacheKey(), DiagnosticLoggingKeys::retrievalKey(), DiagnosticLoggingResultFail, ShouldSample::Yes);
|
|
}
|
|
|
|
CompletionHandler<void()> completionHandler = [this, protectedFrame = makeRef(m_frame)] () mutable {
|
|
if (!m_provisionalDocumentLoader) {
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "continueLoadAfterNavigationPolicy (completionHandler): Frame load canceled - no provisional document loader before prepareForLoadStart");
|
|
return;
|
|
}
|
|
|
|
prepareForLoadStart();
|
|
|
|
// The load might be cancelled inside of prepareForLoadStart(), nulling out the m_provisionalDocumentLoader,
|
|
// so we need to null check it again.
|
|
if (!m_provisionalDocumentLoader) {
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "continueLoadAfterNavigationPolicy (completionHandler): Frame load canceled - no provisional document loader after prepareForLoadStart");
|
|
return;
|
|
}
|
|
|
|
DocumentLoader* activeDocLoader = activeDocumentLoader();
|
|
if (activeDocLoader && activeDocLoader->isLoadingMainResource()) {
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "continueLoadAfterNavigationPolicy (completionHandler): Main frame already being loaded");
|
|
return;
|
|
}
|
|
|
|
m_loadingFromCachedPage = false;
|
|
|
|
m_provisionalDocumentLoader->startLoadingMainResource();
|
|
};
|
|
|
|
if (!formState) {
|
|
completionHandler();
|
|
return;
|
|
}
|
|
|
|
m_client->dispatchWillSubmitForm(*formState, WTFMove(completionHandler));
|
|
}
|
|
|
|
void FrameLoader::continueLoadAfterNewWindowPolicy(const ResourceRequest& request,
|
|
FormState* formState, const String& frameName, const NavigationAction& action, ShouldContinuePolicyCheck shouldContinue, AllowNavigationToInvalidURL allowNavigationToInvalidURL, NewFrameOpenerPolicy openerPolicy)
|
|
{
|
|
if (shouldContinue != ShouldContinuePolicyCheck::Yes)
|
|
return;
|
|
|
|
Ref<Frame> frame(m_frame);
|
|
RefPtr<Frame> mainFrame = m_client->dispatchCreatePage(action, openerPolicy);
|
|
if (!mainFrame)
|
|
return;
|
|
|
|
SandboxFlags sandboxFlags = frame->loader().effectiveSandboxFlags();
|
|
if (sandboxFlags & SandboxPropagatesToAuxiliaryBrowsingContexts)
|
|
mainFrame->loader().forceSandboxFlags(sandboxFlags);
|
|
|
|
if (!equalIgnoringASCIICase(frameName, "_blank"))
|
|
mainFrame->tree().setName(frameName);
|
|
|
|
mainFrame->page()->setOpenedByDOM();
|
|
mainFrame->loader().m_client->dispatchShow();
|
|
if (openerPolicy == NewFrameOpenerPolicy::Allow) {
|
|
mainFrame->loader().setOpener(frame.ptr());
|
|
mainFrame->document()->setReferrerPolicy(frame->document()->referrerPolicy());
|
|
}
|
|
|
|
NavigationAction newAction { *frame->document(), request, InitiatedByMainFrame::Unknown, NavigationType::Other, action.shouldOpenExternalURLsPolicy(), nullptr, action.downloadAttribute() };
|
|
mainFrame->loader().loadWithNavigationAction(request, WTFMove(newAction), FrameLoadType::Standard, formState, allowNavigationToInvalidURL);
|
|
}
|
|
|
|
void FrameLoader::requestFromDelegate(ResourceRequest& request, unsigned long& identifier, ResourceError& error)
|
|
{
|
|
ASSERT(!request.isNull());
|
|
|
|
identifier = 0;
|
|
if (Page* page = m_frame.page()) {
|
|
identifier = page->progress().createUniqueIdentifier();
|
|
notifier().assignIdentifierToInitialRequest(identifier, m_documentLoader.get(), request);
|
|
}
|
|
|
|
ResourceRequest newRequest(request);
|
|
notifier().dispatchWillSendRequest(m_documentLoader.get(), identifier, newRequest, ResourceResponse(), nullptr);
|
|
|
|
if (newRequest.isNull())
|
|
error = cancelledError(request);
|
|
else
|
|
error = ResourceError();
|
|
|
|
request = newRequest;
|
|
}
|
|
|
|
void FrameLoader::loadedResourceFromMemoryCache(CachedResource& resource, ResourceRequest& newRequest, ResourceError& error)
|
|
{
|
|
Page* page = m_frame.page();
|
|
if (!page)
|
|
return;
|
|
|
|
if (!resource.shouldSendResourceLoadCallbacks() || m_documentLoader->haveToldClientAboutLoad(resource.url().string()))
|
|
return;
|
|
|
|
// Main resource delegate messages are synthesized in MainResourceLoader, so we must not send them here.
|
|
if (resource.type() == CachedResource::Type::MainResource)
|
|
return;
|
|
|
|
if (!page->areMemoryCacheClientCallsEnabled()) {
|
|
InspectorInstrumentation::didLoadResourceFromMemoryCache(*page, m_documentLoader.get(), &resource);
|
|
m_documentLoader->recordMemoryCacheLoadForFutureClientNotification(resource.resourceRequest());
|
|
m_documentLoader->didTellClientAboutLoad(resource.url().string());
|
|
return;
|
|
}
|
|
|
|
if (m_client->dispatchDidLoadResourceFromMemoryCache(m_documentLoader.get(), newRequest, resource.response(), resource.encodedSize())) {
|
|
InspectorInstrumentation::didLoadResourceFromMemoryCache(*page, m_documentLoader.get(), &resource);
|
|
m_documentLoader->didTellClientAboutLoad(resource.url().string());
|
|
return;
|
|
}
|
|
|
|
unsigned long identifier;
|
|
requestFromDelegate(newRequest, identifier, error);
|
|
|
|
ResourceResponse response = resource.response();
|
|
response.setSource(ResourceResponse::Source::MemoryCache);
|
|
notifier().sendRemainingDelegateMessages(m_documentLoader.get(), identifier, newRequest, response, 0, resource.encodedSize(), 0, error);
|
|
}
|
|
|
|
void FrameLoader::applyUserAgentIfNeeded(ResourceRequest& request)
|
|
{
|
|
if (!request.hasHTTPHeaderField(HTTPHeaderName::UserAgent)) {
|
|
String userAgent = this->userAgent(request.url());
|
|
ASSERT(!userAgent.isNull());
|
|
request.setHTTPUserAgent(userAgent);
|
|
}
|
|
}
|
|
|
|
bool FrameLoader::shouldInterruptLoadForXFrameOptions(const String& content, const URL& url, unsigned long requestIdentifier)
|
|
{
|
|
Frame& topFrame = m_frame.tree().top();
|
|
if (&m_frame == &topFrame)
|
|
return false;
|
|
|
|
XFrameOptionsDisposition disposition = parseXFrameOptionsHeader(content);
|
|
|
|
switch (disposition) {
|
|
case XFrameOptionsDisposition::SameOrigin: {
|
|
auto origin = SecurityOrigin::create(url);
|
|
if (!origin->isSameSchemeHostPort(topFrame.document()->securityOrigin()))
|
|
return true;
|
|
for (Frame* frame = m_frame.tree().parent(); frame; frame = frame->tree().parent()) {
|
|
if (!origin->isSameSchemeHostPort(frame->document()->securityOrigin()))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
case XFrameOptionsDisposition::Deny:
|
|
return true;
|
|
case XFrameOptionsDisposition::AllowAll:
|
|
return false;
|
|
case XFrameOptionsDisposition::Conflict:
|
|
m_frame.document()->addConsoleMessage(MessageSource::JS, MessageLevel::Error, "Multiple 'X-Frame-Options' headers with conflicting values ('" + content + "') encountered when loading '" + url.stringCenterEllipsizedToLength() + "'. Falling back to 'DENY'.", requestIdentifier);
|
|
return true;
|
|
case XFrameOptionsDisposition::Invalid:
|
|
m_frame.document()->addConsoleMessage(MessageSource::JS, MessageLevel::Error, "Invalid 'X-Frame-Options' header encountered when loading '" + url.stringCenterEllipsizedToLength() + "': '" + content + "' is not a recognized directive. The header will be ignored.", requestIdentifier);
|
|
return false;
|
|
case XFrameOptionsDisposition::None:
|
|
return false;
|
|
}
|
|
ASSERT_NOT_REACHED();
|
|
return false;
|
|
}
|
|
|
|
void FrameLoader::loadProvisionalItemFromCachedPage()
|
|
{
|
|
DocumentLoader* provisionalLoader = provisionalDocumentLoader();
|
|
LOG(BackForwardCache, "FrameLoader::loadProvisionalItemFromCachedPage Loading provisional DocumentLoader %p with URL '%s' from CachedPage", provisionalDocumentLoader(), provisionalDocumentLoader()->url().stringCenterEllipsizedToLength().utf8().data());
|
|
|
|
prepareForLoadStart();
|
|
|
|
m_loadingFromCachedPage = true;
|
|
|
|
// Should have timing data from previous time(s) the page was shown.
|
|
ASSERT(provisionalLoader->timing().startTime());
|
|
provisionalLoader->resetTiming();
|
|
provisionalLoader->timing().markStartTime();
|
|
|
|
provisionalLoader->setCommitted(true);
|
|
commitProvisionalLoad();
|
|
}
|
|
|
|
bool FrameLoader::shouldTreatURLAsSameAsCurrent(const URL& url) const
|
|
{
|
|
if (!history().currentItem())
|
|
return false;
|
|
return url == history().currentItem()->url() || url == history().currentItem()->originalURL();
|
|
}
|
|
|
|
bool FrameLoader::shouldTreatURLAsSrcdocDocument(const URL& url) const
|
|
{
|
|
if (!url.isAboutSrcDoc())
|
|
return false;
|
|
HTMLFrameOwnerElement* ownerElement = m_frame.ownerElement();
|
|
if (!ownerElement)
|
|
return false;
|
|
if (!ownerElement->hasTagName(iframeTag))
|
|
return false;
|
|
return ownerElement->hasAttributeWithoutSynchronization(srcdocAttr);
|
|
}
|
|
|
|
Frame* FrameLoader::findFrameForNavigation(const AtomString& name, Document* activeDocument)
|
|
{
|
|
// FIXME: Eventually all callers should supply the actual activeDocument so we can call canNavigate with the right document.
|
|
if (!activeDocument)
|
|
activeDocument = m_frame.document();
|
|
|
|
auto* frame = m_frame.tree().find(name, activeDocument->frame() ? *activeDocument->frame() : m_frame);
|
|
|
|
if (!activeDocument->canNavigate(frame))
|
|
return nullptr;
|
|
|
|
return frame;
|
|
}
|
|
|
|
void FrameLoader::loadSameDocumentItem(HistoryItem& item)
|
|
{
|
|
ASSERT(item.documentSequenceNumber() == history().currentItem()->documentSequenceNumber());
|
|
|
|
Ref<Frame> protect(m_frame);
|
|
|
|
// Save user view state to the current history item here since we don't do a normal load.
|
|
// FIXME: Does form state need to be saved here too?
|
|
history().saveScrollPositionAndViewStateToItem(history().currentItem());
|
|
if (FrameView* view = m_frame.view())
|
|
view->setWasScrolledByUser(false);
|
|
|
|
history().setCurrentItem(item);
|
|
|
|
// loadInSameDocument() actually changes the URL and notifies load delegates of a "fake" load
|
|
loadInSameDocument(item.url(), item.stateObject(), false);
|
|
|
|
// Restore user view state from the current history item here since we don't do a normal load.
|
|
history().restoreScrollPositionAndViewState();
|
|
}
|
|
|
|
// FIXME: This function should really be split into a couple pieces, some of
|
|
// which should be methods of HistoryController and some of which should be
|
|
// methods of FrameLoader.
|
|
void FrameLoader::loadDifferentDocumentItem(HistoryItem& item, HistoryItem* fromItem, FrameLoadType loadType, FormSubmissionCacheLoadPolicy cacheLoadPolicy, ShouldTreatAsContinuingLoad shouldTreatAsContinuingLoad)
|
|
{
|
|
FRAMELOADER_RELEASE_LOG(ResourceLoading, "loadDifferentDocumentItem: frame load started");
|
|
|
|
Ref<Frame> protectedFrame(m_frame);
|
|
|
|
// History items should not be reported to the parent.
|
|
m_shouldReportResourceTimingToParentFrame = false;
|
|
|
|
// Remember this item so we can traverse any child items as child frames load
|
|
history().setProvisionalItem(&item);
|
|
|
|
auto initiatedByMainFrame = InitiatedByMainFrame::Unknown;
|
|
|
|
SetForScope<LoadContinuingState> continuingLoadGuard(m_currentLoadContinuingState, shouldTreatAsContinuingLoad == ShouldTreatAsContinuingLoad::Yes ? LoadContinuingState::ContinuingWithHistoryItem : LoadContinuingState::NotContinuing);
|
|
|
|
if (CachedPage* cachedPage = BackForwardCache::singleton().get(item, m_frame.page())) {
|
|
auto documentLoader = cachedPage->documentLoader();
|
|
m_client->updateCachedDocumentLoader(*documentLoader);
|
|
|
|
auto action = NavigationAction { *m_frame.document(), documentLoader->request(), initiatedByMainFrame, loadType, false };
|
|
action.setTargetBackForwardItem(item);
|
|
action.setSourceBackForwardItem(fromItem);
|
|
documentLoader->setTriggeringAction(WTFMove(action));
|
|
|
|
documentLoader->setLastCheckedRequest(ResourceRequest());
|
|
loadWithDocumentLoader(documentLoader, loadType, { }, AllowNavigationToInvalidURL::Yes);
|
|
return;
|
|
}
|
|
|
|
URL itemURL = item.url();
|
|
URL itemOriginalURL = item.originalURL();
|
|
URL currentURL;
|
|
if (documentLoader())
|
|
currentURL = documentLoader()->url();
|
|
RefPtr<FormData> formData = item.formData();
|
|
|
|
ResourceRequest request(itemURL);
|
|
|
|
if (!item.referrer().isNull())
|
|
request.setHTTPReferrer(item.referrer());
|
|
|
|
ShouldOpenExternalURLsPolicy shouldOpenExternalURLsPolicy = shouldOpenExternalURLsPolicyToApply(m_frame, initiatedByMainFrame, item.shouldOpenExternalURLsPolicy());
|
|
bool isFormSubmission = false;
|
|
Event* event = nullptr;
|
|
|
|
// If this was a repost that failed the page cache, we might try to repost the form.
|
|
NavigationAction action;
|
|
if (formData) {
|
|
request.setHTTPMethod("POST");
|
|
request.setHTTPBody(WTFMove(formData));
|
|
request.setHTTPContentType(item.formContentType());
|
|
auto securityOrigin = SecurityOrigin::createFromString(item.referrer());
|
|
addHTTPOriginIfNeeded(request, securityOrigin->toString());
|
|
|
|
updateRequestAndAddExtraFields(request, IsMainResource::Yes, loadType);
|
|
|
|
// FIXME: Slight hack to test if the NSURL cache contains the page we're going to.
|
|
// We want to know this before talking to the policy delegate, since it affects whether
|
|
// we show the DoYouReallyWantToRepost nag.
|
|
//
|
|
// This trick has a small bug (3123893) where we might find a cache hit, but then
|
|
// have the item vanish when we try to use it in the ensuing nav. This should be
|
|
// extremely rare, but in that case the user will get an error on the navigation.
|
|
|
|
if (cacheLoadPolicy == MayAttemptCacheOnlyLoadForFormSubmissionItem) {
|
|
request.setCachePolicy(ResourceRequestCachePolicy::ReturnCacheDataDontLoad);
|
|
action = { *m_frame.document(), request, initiatedByMainFrame, loadType, isFormSubmission, event, shouldOpenExternalURLsPolicy };
|
|
} else {
|
|
request.setCachePolicy(ResourceRequestCachePolicy::ReturnCacheDataElseLoad);
|
|
action = { *m_frame.document(), request, initiatedByMainFrame, NavigationType::FormResubmitted, shouldOpenExternalURLsPolicy, event };
|
|
}
|
|
} else {
|
|
switch (loadType) {
|
|
case FrameLoadType::Reload:
|
|
case FrameLoadType::ReloadFromOrigin:
|
|
case FrameLoadType::ReloadExpiredOnly:
|
|
request.setCachePolicy(ResourceRequestCachePolicy::ReloadIgnoringCacheData);
|
|
break;
|
|
case FrameLoadType::Back:
|
|
case FrameLoadType::Forward:
|
|
case FrameLoadType::IndexedBackForward: {
|
|
#if PLATFORM(COCOA)
|
|
bool allowStaleData = true;
|
|
#else
|
|
bool allowStaleData = !item.wasRestoredFromSession();
|
|
#endif
|
|
if (allowStaleData)
|
|
request.setCachePolicy(ResourceRequestCachePolicy::ReturnCacheDataElseLoad);
|
|
item.setWasRestoredFromSession(false);
|
|
break;
|
|
}
|
|
case FrameLoadType::Standard:
|
|
case FrameLoadType::RedirectWithLockedBackForwardList:
|
|
break;
|
|
case FrameLoadType::Same:
|
|
case FrameLoadType::Replace:
|
|
ASSERT_NOT_REACHED();
|
|
}
|
|
|
|
updateRequestAndAddExtraFields(request, IsMainResource::Yes, loadType);
|
|
|
|
ResourceRequest requestForOriginalURL(request);
|
|
requestForOriginalURL.setURL(itemOriginalURL);
|
|
action = { *m_frame.document(), requestForOriginalURL, initiatedByMainFrame, loadType, isFormSubmission, event, shouldOpenExternalURLsPolicy };
|
|
}
|
|
|
|
action.setTargetBackForwardItem(item);
|
|
action.setSourceBackForwardItem(fromItem);
|
|
|
|
loadWithNavigationAction(request, WTFMove(action), loadType, { }, AllowNavigationToInvalidURL::Yes);
|
|
}
|
|
|
|
// Loads content into this frame, as specified by history item
|
|
void FrameLoader::loadItem(HistoryItem& item, HistoryItem* fromItem, FrameLoadType loadType, ShouldTreatAsContinuingLoad shouldTreatAsContinuingLoad)
|
|
{
|
|
m_requestedHistoryItem = &item;
|
|
HistoryItem* currentItem = history().currentItem();
|
|
bool sameDocumentNavigation = currentItem && item.shouldDoSameDocumentNavigationTo(*currentItem);
|
|
|
|
// If we're continuing this history navigation in a new process, then doing a same document navigation never makes sense.
|
|
ASSERT(!sameDocumentNavigation || shouldTreatAsContinuingLoad == ShouldTreatAsContinuingLoad::No);
|
|
|
|
if (sameDocumentNavigation)
|
|
loadSameDocumentItem(item);
|
|
else
|
|
loadDifferentDocumentItem(item, fromItem, loadType, MayAttemptCacheOnlyLoadForFormSubmissionItem, shouldTreatAsContinuingLoad);
|
|
}
|
|
|
|
void FrameLoader::retryAfterFailedCacheOnlyMainResourceLoad()
|
|
{
|
|
ASSERT(m_state == FrameState::Provisional);
|
|
ASSERT(!m_loadingFromCachedPage);
|
|
ASSERT(history().provisionalItem());
|
|
ASSERT(history().provisionalItem()->formData());
|
|
ASSERT(history().provisionalItem() == m_requestedHistoryItem.get());
|
|
|
|
FrameLoadType loadType = m_loadType;
|
|
HistoryItem* item = history().provisionalItem();
|
|
|
|
stopAllLoaders(ClearProvisionalItem::No);
|
|
if (item)
|
|
loadDifferentDocumentItem(*item, history().currentItem(), loadType, MayNotAttemptCacheOnlyLoadForFormSubmissionItem, ShouldTreatAsContinuingLoad::No);
|
|
else {
|
|
ASSERT_NOT_REACHED();
|
|
FRAMELOADER_RELEASE_LOG_ERROR(ResourceLoading, "retryAfterFailedCacheOnlyMainResourceLoad: Retrying load after failed cache-only main resource load failed because there is no provisional history item.");
|
|
}
|
|
}
|
|
|
|
ResourceError FrameLoader::cancelledError(const ResourceRequest& request) const
|
|
{
|
|
ResourceError error = m_client->cancelledError(request);
|
|
error.setType(ResourceError::Type::Cancellation);
|
|
return error;
|
|
}
|
|
|
|
ResourceError FrameLoader::blockedByContentBlockerError(const ResourceRequest& request) const
|
|
{
|
|
return m_client->blockedByContentBlockerError(request);
|
|
}
|
|
|
|
ResourceError FrameLoader::blockedError(const ResourceRequest& request) const
|
|
{
|
|
ResourceError error = m_client->blockedError(request);
|
|
error.setType(ResourceError::Type::Cancellation);
|
|
return error;
|
|
}
|
|
|
|
#if ENABLE(CONTENT_FILTERING)
|
|
ResourceError FrameLoader::blockedByContentFilterError(const ResourceRequest& request) const
|
|
{
|
|
ResourceError error = m_client->blockedByContentFilterError(request);
|
|
error.setType(ResourceError::Type::General);
|
|
return error;
|
|
}
|
|
#endif
|
|
|
|
#if PLATFORM(IOS_FAMILY)
|
|
RetainPtr<CFDictionaryRef> FrameLoader::connectionProperties(ResourceLoader* loader)
|
|
{
|
|
return m_client->connectionProperties(loader->documentLoader(), loader->identifier());
|
|
}
|
|
#endif
|
|
|
|
ReferrerPolicy FrameLoader::effectiveReferrerPolicy() const
|
|
{
|
|
if (auto* parentFrame = m_frame.tree().parent())
|
|
return parentFrame->document()->referrerPolicy();
|
|
if (m_opener)
|
|
return m_opener->document()->referrerPolicy();
|
|
return ReferrerPolicy::Default;
|
|
}
|
|
|
|
String FrameLoader::referrer() const
|
|
{
|
|
return m_documentLoader ? m_documentLoader->request().httpReferrer() : emptyString();
|
|
}
|
|
|
|
void FrameLoader::dispatchDidClearWindowObjectsInAllWorlds()
|
|
{
|
|
if (!m_frame.script().canExecuteScripts(NotAboutToExecuteScript))
|
|
return;
|
|
|
|
Vector<Ref<DOMWrapperWorld>> worlds;
|
|
ScriptController::getAllWorlds(worlds);
|
|
for (auto& world : worlds)
|
|
dispatchDidClearWindowObjectInWorld(world);
|
|
}
|
|
|
|
void FrameLoader::dispatchDidClearWindowObjectInWorld(DOMWrapperWorld& world)
|
|
{
|
|
if (!m_frame.script().canExecuteScripts(NotAboutToExecuteScript) || !m_frame.windowProxy().existingJSWindowProxy(world))
|
|
return;
|
|
|
|
m_client->dispatchDidClearWindowObjectInWorld(world);
|
|
|
|
if (Page* page = m_frame.page())
|
|
page->inspectorController().didClearWindowObjectInWorld(m_frame, world);
|
|
|
|
InspectorInstrumentation::didClearWindowObjectInWorld(m_frame, world);
|
|
}
|
|
|
|
void FrameLoader::dispatchGlobalObjectAvailableInAllWorlds()
|
|
{
|
|
Vector<Ref<DOMWrapperWorld>> worlds;
|
|
ScriptController::getAllWorlds(worlds);
|
|
for (auto& world : worlds)
|
|
m_client->dispatchGlobalObjectAvailable(world);
|
|
}
|
|
|
|
SandboxFlags FrameLoader::effectiveSandboxFlags() const
|
|
{
|
|
SandboxFlags flags = m_forcedSandboxFlags;
|
|
if (Frame* parentFrame = m_frame.tree().parent())
|
|
flags |= parentFrame->document()->sandboxFlags();
|
|
if (HTMLFrameOwnerElement* ownerElement = m_frame.ownerElement())
|
|
flags |= ownerElement->sandboxFlags();
|
|
return flags;
|
|
}
|
|
|
|
void FrameLoader::didChangeTitle(DocumentLoader* loader)
|
|
{
|
|
m_client->didChangeTitle(loader);
|
|
|
|
if (loader == m_documentLoader) {
|
|
// Must update the entries in the back-forward list too.
|
|
history().setCurrentItemTitle(loader->title());
|
|
// This must go through the WebFrame because it has the right notion of the current b/f item.
|
|
m_client->setTitle(loader->title(), loader->urlForHistory());
|
|
m_client->setMainFrameDocumentReady(true); // update observers with new DOMDocument
|
|
m_client->dispatchDidReceiveTitle(loader->title());
|
|
}
|
|
|
|
#if ENABLE(REMOTE_INSPECTOR)
|
|
if (m_frame.isMainFrame())
|
|
m_frame.page()->remoteInspectorInformationDidChange();
|
|
#endif
|
|
}
|
|
|
|
void FrameLoader::dispatchDidCommitLoad(std::optional<HasInsecureContent> initialHasInsecureContent, std::optional<UsedLegacyTLS> initialUsedLegacyTLS)
|
|
{
|
|
if (m_stateMachine.creatingInitialEmptyDocument())
|
|
return;
|
|
|
|
m_client->dispatchDidCommitLoad(initialHasInsecureContent, initialUsedLegacyTLS);
|
|
|
|
if (m_frame.isMainFrame())
|
|
m_frame.page()->didCommitLoad();
|
|
|
|
InspectorInstrumentation::didCommitLoad(m_frame, m_documentLoader.get());
|
|
|
|
#if ENABLE(REMOTE_INSPECTOR)
|
|
if (m_frame.isMainFrame())
|
|
m_frame.page()->remoteInspectorInformationDidChange();
|
|
#endif
|
|
}
|
|
|
|
void FrameLoader::tellClientAboutPastMemoryCacheLoads()
|
|
{
|
|
ASSERT(m_frame.page());
|
|
ASSERT(m_frame.page()->areMemoryCacheClientCallsEnabled());
|
|
|
|
if (!m_documentLoader)
|
|
return;
|
|
|
|
Vector<ResourceRequest> pastLoads;
|
|
m_documentLoader->takeMemoryCacheLoadsForClientNotification(pastLoads);
|
|
|
|
for (auto& pastLoad : pastLoads) {
|
|
CachedResource* resource = MemoryCache::singleton().resourceForRequest(pastLoad, m_frame.page()->sessionID());
|
|
|
|
// FIXME: These loads, loaded from cache, but now gone from the cache by the time
|
|
// Page::setMemoryCacheClientCallsEnabled(true) is called, will not be seen by the client.
|
|
// Consider if there's some efficient way of remembering enough to deliver this client call.
|
|
// We have the URL, but not the rest of the response or the length.
|
|
if (!resource)
|
|
continue;
|
|
|
|
ResourceRequest request(resource->url());
|
|
m_client->dispatchDidLoadResourceFromMemoryCache(m_documentLoader.get(), request, resource->response(), resource->encodedSize());
|
|
}
|
|
}
|
|
|
|
NetworkingContext* FrameLoader::networkingContext() const
|
|
{
|
|
return m_networkingContext.get();
|
|
}
|
|
|
|
void FrameLoader::loadProgressingStatusChanged()
|
|
{
|
|
if (auto* view = m_frame.mainFrame().view())
|
|
view->loadProgressingStatusChanged();
|
|
}
|
|
|
|
void FrameLoader::completePageTransitionIfNeeded()
|
|
{
|
|
m_client->completePageTransitionIfNeeded();
|
|
}
|
|
|
|
void FrameLoader::clearTestingOverrides()
|
|
{
|
|
m_overrideCachePolicyForTesting = std::nullopt;
|
|
m_overrideResourceLoadPriorityForTesting = std::nullopt;
|
|
m_isStrictRawResourceValidationPolicyDisabledForTesting = false;
|
|
}
|
|
|
|
bool FrameLoaderClient::hasHTMLView() const
|
|
{
|
|
return true;
|
|
}
|
|
|
|
RefPtr<Frame> createWindow(Frame& openerFrame, Frame& lookupFrame, FrameLoadRequest&& request, WindowFeatures& features, bool& created)
|
|
{
|
|
ASSERT(!features.dialog || request.frameName().isEmpty());
|
|
ASSERT(request.resourceRequest().httpMethod() == "GET");
|
|
|
|
created = false;
|
|
|
|
// FIXME: Provide line number information with respect to the opener's document.
|
|
if (request.resourceRequest().url().protocolIsJavaScript() && !openerFrame.document()->contentSecurityPolicy()->allowJavaScriptURLs(openerFrame.document()->url().string(), { }))
|
|
return nullptr;
|
|
|
|
if (!request.frameName().isEmpty() && !equalIgnoringASCIICase(request.frameName(), "_blank")) {
|
|
if (RefPtr<Frame> frame = lookupFrame.loader().findFrameForNavigation(request.frameName(), openerFrame.document())) {
|
|
if (!equalIgnoringASCIICase(request.frameName(), "_self")) {
|
|
if (Page* page = frame->page())
|
|
page->chrome().focus();
|
|
}
|
|
return frame;
|
|
}
|
|
}
|
|
|
|
// https://html.spec.whatwg.org/#the-rules-for-choosing-a-browsing-context-given-a-browsing-context-name (Step 8.2)
|
|
if (openerFrame.document()->shouldForceNoOpenerBasedOnCOOP()) {
|
|
request.setFrameName("_blank"_s);
|
|
features.noopener = true;
|
|
}
|
|
|
|
// Sandboxed frames cannot open new auxiliary browsing contexts.
|
|
if (isDocumentSandboxed(openerFrame, SandboxPopups)) {
|
|
// FIXME: This message should be moved off the console once a solution to https://bugs.webkit.org/show_bug.cgi?id=103274 exists.
|
|
openerFrame.document()->addConsoleMessage(MessageSource::Security, MessageLevel::Error, "Blocked opening '" + request.resourceRequest().url().stringCenterEllipsizedToLength() + "' in a new window because the request was made in a sandboxed frame whose 'allow-popups' permission is not set.");
|
|
return nullptr;
|
|
}
|
|
|
|
// FIXME: Setting the referrer should be the caller's responsibility.
|
|
String referrer = SecurityPolicy::generateReferrerHeader(openerFrame.document()->referrerPolicy(), request.resourceRequest().url(), openerFrame.loader().outgoingReferrer());
|
|
if (!referrer.isEmpty())
|
|
request.resourceRequest().setHTTPReferrer(referrer);
|
|
FrameLoader::addSameSiteInfoToRequestIfNeeded(request.resourceRequest(), openerFrame.document());
|
|
|
|
Page* oldPage = openerFrame.page();
|
|
if (!oldPage)
|
|
return nullptr;
|
|
|
|
ShouldOpenExternalURLsPolicy shouldOpenExternalURLsPolicy = shouldOpenExternalURLsPolicyToApply(openerFrame, request);
|
|
NavigationAction action { request.requester(), request.resourceRequest(), request.initiatedByMainFrame(), NavigationType::Other, shouldOpenExternalURLsPolicy };
|
|
Page* page = oldPage->chrome().createWindow(openerFrame, features, action);
|
|
if (!page)
|
|
return nullptr;
|
|
|
|
RefPtr<Frame> frame = &page->mainFrame();
|
|
|
|
if (isDocumentSandboxed(openerFrame, SandboxPropagatesToAuxiliaryBrowsingContexts))
|
|
frame->loader().forceSandboxFlags(openerFrame.document()->sandboxFlags());
|
|
|
|
if (!equalIgnoringASCIICase(request.frameName(), "_blank"))
|
|
frame->tree().setName(request.frameName());
|
|
|
|
page->chrome().setToolbarsVisible(features.toolBarVisible || features.locationBarVisible);
|
|
|
|
if (!frame->page())
|
|
return nullptr;
|
|
page->chrome().setStatusbarVisible(features.statusBarVisible);
|
|
|
|
if (!frame->page())
|
|
return nullptr;
|
|
page->chrome().setScrollbarsVisible(features.scrollbarsVisible);
|
|
|
|
if (!frame->page())
|
|
return nullptr;
|
|
page->chrome().setMenubarVisible(features.menuBarVisible);
|
|
|
|
if (!frame->page())
|
|
return nullptr;
|
|
page->chrome().setResizable(features.resizable);
|
|
|
|
// 'x' and 'y' specify the location of the window, while 'width' and 'height'
|
|
// specify the size of the viewport. We can only resize the window, so adjust
|
|
// for the difference between the window size and the viewport size.
|
|
|
|
// FIXME: We should reconcile the initialization of viewport arguments between iOS and non-IOS.
|
|
#if !PLATFORM(IOS_FAMILY)
|
|
FloatSize viewportSize = page->chrome().pageRect().size();
|
|
FloatRect windowRect = page->chrome().windowRect();
|
|
if (features.x)
|
|
windowRect.setX(*features.x);
|
|
if (features.y)
|
|
windowRect.setY(*features.y);
|
|
// Zero width and height mean using default size, not minimum one.
|
|
if (features.width && *features.width)
|
|
windowRect.setWidth(*features.width + (windowRect.width() - viewportSize.width()));
|
|
if (features.height && *features.height)
|
|
windowRect.setHeight(*features.height + (windowRect.height() - viewportSize.height()));
|
|
|
|
#if PLATFORM(GTK)
|
|
FloatRect oldWindowRect = oldPage->chrome().windowRect();
|
|
// Use the size of the previous window if there is no default size.
|
|
if (!windowRect.width())
|
|
windowRect.setWidth(oldWindowRect.width());
|
|
if (!windowRect.height())
|
|
windowRect.setHeight(oldWindowRect.height());
|
|
#endif
|
|
|
|
// Ensure non-NaN values, minimum size as well as being within valid screen area.
|
|
FloatRect newWindowRect = DOMWindow::adjustWindowRect(*page, windowRect);
|
|
|
|
if (!frame->page())
|
|
return nullptr;
|
|
page->chrome().setWindowRect(newWindowRect);
|
|
#else
|
|
// On iOS, width and height refer to the viewport dimensions.
|
|
ViewportArguments arguments;
|
|
// Zero width and height mean using default size, not minimum one.
|
|
if (features.width && *features.width)
|
|
arguments.width = *features.width;
|
|
if (features.height && *features.height)
|
|
arguments.height = *features.height;
|
|
frame->setViewportArguments(arguments);
|
|
#endif
|
|
|
|
if (!frame->page())
|
|
return nullptr;
|
|
page->chrome().show();
|
|
|
|
created = true;
|
|
return frame;
|
|
}
|
|
|
|
// At the moment, we do not actually create a new browsing context / frame. We merely make it so that existing windowProxy for the
|
|
// current browsing context lose their browsing context. We also clear properties of the frame (opener, openees, name), so that it
|
|
// appears the same as a new browsing context.
|
|
void FrameLoader::switchBrowsingContextsGroup()
|
|
{
|
|
// Disown opener.
|
|
setOpener(nullptr);
|
|
if (auto* page = m_frame.page())
|
|
page->setOpenedByDOMWithOpener(false);
|
|
|
|
detachFromAllOpenedFrames();
|
|
|
|
m_frame.tree().clearName();
|
|
|
|
// Make sure we use fresh Window proxies. The old window proxies will keep pointing to the old window which will be frameless when
|
|
// a new window is created for this frame.
|
|
m_frame.resetScript();
|
|
|
|
// On same-origin navigation from the initial empty document, we normally reuse the window for the new document. We need to prevent
|
|
// this when we want to isolate so old window proxies will indeed start pointing to a frameless window and appear closed.
|
|
if (auto* window = m_frame.window())
|
|
window->setMayReuseForNavigation(false);
|
|
}
|
|
|
|
bool FrameLoader::shouldSuppressTextInputFromEditing() const
|
|
{
|
|
return m_frame.settings().shouldSuppressTextInputFromEditingDuringProvisionalNavigation() && m_state == FrameState::Provisional;
|
|
}
|
|
|
|
} // namespace WebCore
|
|
|
|
#undef PAGE_ID
|
|
#undef FRAME_ID
|