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/*
* Copyright (C) 2006-2020 Apple Inc. All rights reserved.
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "CachedRawResourceClient.h"
#include "CachedResourceHandle.h"
#include "ContentFilterClient.h"
#include "ContentSecurityPolicyClient.h"
#include "CrossOriginOpenerPolicy.h"
#include "DeviceOrientationOrMotionPermissionState.h"
#include "DocumentLoadTiming.h"
#include "DocumentWriter.h"
#include "FrameDestructionObserver.h"
#include "LinkIcon.h"
#include "NavigationAction.h"
#include "ResourceError.h"
#include "ResourceLoaderIdentifier.h"
#include "ResourceLoaderOptions.h"
#include "ResourceRequest.h"
#include "ResourceResponse.h"
#include "ScriptExecutionContextIdentifier.h"
#include "SecurityPolicyViolationEvent.h"
#include "ServiceWorkerRegistrationData.h"
#include "StringWithDirection.h"
#include "StyleSheetContents.h"
#include "SubstituteData.h"
#include "Timer.h"
#include <wtf/HashSet.h>
#include <wtf/OptionSet.h>
#include <wtf/RefPtr.h>
#include <wtf/RobinHoodHashMap.h>
#include <wtf/RobinHoodHashSet.h>
#include <wtf/Vector.h>
#if ENABLE(APPLICATION_MANIFEST)
#include "ApplicationManifest.h"
#endif
#if PLATFORM(COCOA)
#include <wtf/SchedulePair.h>
#endif
namespace WebCore {
class ApplicationCacheHost;
class ApplicationManifestLoader;
class Archive;
class ArchiveResource;
class ArchiveResourceCollection;
class CachedRawResource;
class CachedResourceLoader;
class ContentFilter;
class SharedBuffer;
struct CustomHeaderFields;
class FormState;
class Frame;
class FrameLoader;
class IconLoader;
class Page;
class PreviewConverter;
class ResourceLoader;
class FragmentedSharedBuffer;
class SWClientConnection;
class SharedBuffer;
class SubresourceLoader;
class SubstituteResource;
class UserContentURLPattern;
enum class ShouldContinue;
using ResourceLoaderMap = HashMap<ResourceLoaderIdentifier, RefPtr<ResourceLoader>>;
enum class AutoplayPolicy : uint8_t {
Default, // Uses policies specified in document settings.
Allow,
AllowWithoutSound,
Deny,
};
enum class AutoplayQuirk : uint8_t {
SynthesizedPauseEvents = 1 << 0,
InheritedUserGestures = 1 << 1,
ArbitraryUserGestures = 1 << 2,
PerDocumentAutoplayBehavior = 1 << 3,
};
enum class PopUpPolicy : uint8_t {
Default, // Uses policies specified in frame settings.
Allow,
Block,
};
enum class MetaViewportPolicy : uint8_t {
Default,
Respect,
Ignore,
};
enum class MediaSourcePolicy : uint8_t {
Default,
Disable,
Enable
};
enum class SimulatedMouseEventsDispatchPolicy : uint8_t {
Default,
Allow,
Deny,
};
enum class LegacyOverflowScrollingTouchPolicy : uint8_t {
Default,
Disable,
Enable,
};
enum class MouseEventPolicy : uint8_t {
Default,
#if ENABLE(IOS_TOUCH_EVENTS)
SynthesizeTouchEvents,
#endif
};
enum class ModalContainerObservationPolicy : bool { Disabled, Prompt };
enum class ColorSchemePreference : uint8_t {
NoPreference,
Light,
Dark
};
DECLARE_ALLOCATOR_WITH_HEAP_IDENTIFIER(DocumentLoader);
class DocumentLoader
: public RefCounted<DocumentLoader>
, public FrameDestructionObserver
, public ContentSecurityPolicyClient
#if ENABLE(CONTENT_FILTERING)
, public ContentFilterClient
#endif
, private CachedRawResourceClient {
WTF_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(DocumentLoader);
friend class ContentFilter;
public:
static Ref<DocumentLoader> create(const ResourceRequest& request, const SubstituteData& data)
{
return adoptRef(*new DocumentLoader(request, data));
}
WEBCORE_EXPORT static DocumentLoader* fromScriptExecutionContextIdentifier(ScriptExecutionContextIdentifier);
WEBCORE_EXPORT virtual ~DocumentLoader();
void attachToFrame(Frame&);
WEBCORE_EXPORT virtual void detachFromFrame();
WEBCORE_EXPORT FrameLoader* frameLoader() const;
WEBCORE_EXPORT SubresourceLoader* mainResourceLoader() const;
WEBCORE_EXPORT RefPtr<FragmentedSharedBuffer> mainResourceData() const;
DocumentWriter& writer() const { return m_writer; }
const ResourceRequest& originalRequest() const;
const ResourceRequest& originalRequestCopy() const;
const ResourceRequest& request() const;
ResourceRequest& request();
CachedResourceLoader& cachedResourceLoader() { return m_cachedResourceLoader; }
const SubstituteData& substituteData() const { return m_substituteData; }
const URL& url() const;
const URL& unreachableURL() const;
const URL& originalURL() const;
const URL& responseURL() const;
const String& responseMIMEType() const;
#if PLATFORM(IOS_FAMILY)
// FIXME: This method seems to violate the encapsulation of this class.
WEBCORE_EXPORT void setResponseMIMEType(const AtomString&);
#endif
const String& currentContentType() const;
void replaceRequestURLForSameDocumentNavigation(const URL&);
bool isStopping() const { return m_isStopping; }
void stopLoading();
void setCommitted(bool committed) { m_committed = committed; }
bool isCommitted() const { return m_committed; }
WEBCORE_EXPORT bool isLoading() const;
const ResourceError& mainDocumentError() const { return m_mainDocumentError; }
const ResourceResponse& response() const { return m_response; }
// FIXME: This method seems to violate the encapsulation of this class.
void setResponse(const ResourceResponse& response) { m_response = response; }
bool isClientRedirect() const { return m_isClientRedirect; }
void setIsClientRedirect(bool isClientRedirect) { m_isClientRedirect = isClientRedirect; }
void dispatchOnloadEvents();
bool wasOnloadDispatched() { return m_wasOnloadDispatched; }
WEBCORE_EXPORT bool isLoadingInAPISense() const;
WEBCORE_EXPORT void setTitle(const StringWithDirection&);
const String& overrideEncoding() const { return m_overrideEncoding; }
#if PLATFORM(COCOA)
void schedule(SchedulePair&);
void unschedule(SchedulePair&);
#endif
#if ENABLE(WEB_ARCHIVE) || ENABLE(MHTML)
void setArchive(Ref<Archive>&&);
WEBCORE_EXPORT void addAllArchiveResources(Archive&);
WEBCORE_EXPORT void addArchiveResource(Ref<ArchiveResource>&&);
RefPtr<Archive> popArchiveForSubframe(const String& frameName, const URL&);
WEBCORE_EXPORT SharedBuffer* parsedArchiveData() const;
WEBCORE_EXPORT bool scheduleArchiveLoad(ResourceLoader&, const ResourceRequest&);
#endif
void scheduleSubstituteResourceLoad(ResourceLoader&, SubstituteResource&);
void scheduleCannotShowURLError(ResourceLoader&);
// FrameDestructionObserver.
WEBCORE_EXPORT void frameDestroyed() final;
// Return the ArchiveResource for the URL only when loading an Archive
WEBCORE_EXPORT ArchiveResource* archiveResourceForURL(const URL&) const;
WEBCORE_EXPORT RefPtr<ArchiveResource> mainResource() const;
// Return an ArchiveResource for the URL, either creating from live data or
// pulling from the ArchiveResourceCollection.
WEBCORE_EXPORT RefPtr<ArchiveResource> subresource(const URL&) const;
WEBCORE_EXPORT Vector<Ref<ArchiveResource>> subresources() const;
#if ASSERT_ENABLED
bool isSubstituteLoadPending(ResourceLoader*) const;
#endif
void cancelPendingSubstituteLoad(ResourceLoader*);
void addResponse(const ResourceResponse&);
const Vector<ResourceResponse>& responses() const { return m_responses; }
const NavigationAction& triggeringAction() const { return m_triggeringAction; }
void setTriggeringAction(NavigationAction&&);
void setOverrideEncoding(const String& encoding) { m_overrideEncoding = encoding; }
void setLastCheckedRequest(ResourceRequest&& request) { m_lastCheckedRequest = WTFMove(request); }
const ResourceRequest& lastCheckedRequest() { return m_lastCheckedRequest; }
void stopRecordingResponses();
const StringWithDirection& title() const { return m_pageTitle; }
WEBCORE_EXPORT URL urlForHistory() const;
WEBCORE_EXPORT bool urlForHistoryReflectsFailure() const;
// These accessors accommodate WebCore's somewhat fickle custom of creating history
// items for redirects, but only sometimes. For "source" and "destination",
// these accessors return the URL that would have been used if a history
// item were created. This allows WebKit to link history items reflecting
// redirects into a chain from start to finish.
String clientRedirectSourceForHistory() const { return m_clientRedirectSourceForHistory; } // null if no client redirect occurred.
String clientRedirectDestinationForHistory() const { return urlForHistory().string(); }
void setClientRedirectSourceForHistory(const String& clientRedirectSourceForHistory) { m_clientRedirectSourceForHistory = clientRedirectSourceForHistory; }
String serverRedirectSourceForHistory() const { return (urlForHistory() == url() || url() == aboutBlankURL()) ? String() : urlForHistory().string(); } // null if no server redirect occurred.
String serverRedirectDestinationForHistory() const { return url().string(); }
bool didCreateGlobalHistoryEntry() const { return m_didCreateGlobalHistoryEntry; }
void setDidCreateGlobalHistoryEntry(bool didCreateGlobalHistoryEntry) { m_didCreateGlobalHistoryEntry = didCreateGlobalHistoryEntry; }
void setDefersLoading(bool);
void setMainResourceDataBufferingPolicy(DataBufferingPolicy);
void startLoadingMainResource();
WEBCORE_EXPORT void cancelMainResourceLoad(const ResourceError&);
void willContinueMainResourceLoadAfterRedirect(const ResourceRequest&);
bool isLoadingMainResource() const { return m_loadingMainResource; }
bool isLoadingMultipartContent() const { return m_isLoadingMultipartContent; }
void stopLoadingPlugIns();
void stopLoadingSubresources();
WEBCORE_EXPORT void stopLoadingAfterXFrameOptionsOrContentSecurityPolicyDenied(ResourceLoaderIdentifier, const ResourceResponse&);
bool userContentExtensionsEnabled() const { return m_userContentExtensionsEnabled; }
void setUserContentExtensionsEnabled(bool enabled) { m_userContentExtensionsEnabled = enabled; }
bool allowsActiveContentRuleListActionsForURL(const String& contentRuleListIdentifier, const URL&) const;
WEBCORE_EXPORT void setActiveContentRuleListActionPatterns(const HashMap<String, Vector<String>>&);
#if ENABLE(DEVICE_ORIENTATION)
DeviceOrientationOrMotionPermissionState deviceOrientationAndMotionAccessState() const { return m_deviceOrientationAndMotionAccessState; }
void setDeviceOrientationAndMotionAccessState(DeviceOrientationOrMotionPermissionState state) { m_deviceOrientationAndMotionAccessState = state; }
#endif
AutoplayPolicy autoplayPolicy() const { return m_autoplayPolicy; }
void setAutoplayPolicy(AutoplayPolicy policy) { m_autoplayPolicy = policy; }
void setCustomUserAgent(const String& customUserAgent) { m_customUserAgent = customUserAgent; }
const String& customUserAgent() const { return m_customUserAgent; }
void setCustomUserAgentAsSiteSpecificQuirks(const String& customUserAgent) { m_customUserAgentAsSiteSpecificQuirks = customUserAgent; }
const String& customUserAgentAsSiteSpecificQuirks() const { return m_customUserAgentAsSiteSpecificQuirks; }
void setCustomNavigatorPlatform(const String& customNavigatorPlatform) { m_customNavigatorPlatform = customNavigatorPlatform; }
const String& customNavigatorPlatform() const { return m_customNavigatorPlatform; }
OptionSet<AutoplayQuirk> allowedAutoplayQuirks() const { return m_allowedAutoplayQuirks; }
void setAllowedAutoplayQuirks(OptionSet<AutoplayQuirk> allowedQuirks) { m_allowedAutoplayQuirks = allowedQuirks; }
PopUpPolicy popUpPolicy() const { return m_popUpPolicy; }
void setPopUpPolicy(PopUpPolicy popUpPolicy) { m_popUpPolicy = popUpPolicy; }
MetaViewportPolicy metaViewportPolicy() const { return m_metaViewportPolicy; }
void setMetaViewportPolicy(MetaViewportPolicy policy) { m_metaViewportPolicy = policy; }
MediaSourcePolicy mediaSourcePolicy() const { return m_mediaSourcePolicy; }
void setMediaSourcePolicy(MediaSourcePolicy policy) { m_mediaSourcePolicy = policy; }
SimulatedMouseEventsDispatchPolicy simulatedMouseEventsDispatchPolicy() const { return m_simulatedMouseEventsDispatchPolicy; }
void setSimulatedMouseEventsDispatchPolicy(SimulatedMouseEventsDispatchPolicy policy) { m_simulatedMouseEventsDispatchPolicy = policy; }
LegacyOverflowScrollingTouchPolicy legacyOverflowScrollingTouchPolicy() const { return m_legacyOverflowScrollingTouchPolicy; }
void setLegacyOverflowScrollingTouchPolicy(LegacyOverflowScrollingTouchPolicy policy) { m_legacyOverflowScrollingTouchPolicy = policy; }
WEBCORE_EXPORT MouseEventPolicy mouseEventPolicy() const;
void setMouseEventPolicy(MouseEventPolicy policy) { m_mouseEventPolicy = policy; }
ModalContainerObservationPolicy modalContainerObservationPolicy() const { return m_modalContainerObservationPolicy; }
void setModalContainerObservationPolicy(ModalContainerObservationPolicy policy) { m_modalContainerObservationPolicy = policy; }
WEBCORE_EXPORT ColorSchemePreference colorSchemePreference() const;
void setColorSchemePreference(ColorSchemePreference preference) { m_colorSchemePreference = preference; }
void addSubresourceLoader(ResourceLoader&);
void removeSubresourceLoader(LoadCompletionType, ResourceLoader*);
void addPlugInStreamLoader(ResourceLoader&);
void removePlugInStreamLoader(ResourceLoader&);
void subresourceLoaderFinishedLoadingOnePart(ResourceLoader&);
void setDeferMainResourceDataLoad(bool defer) { m_deferMainResourceDataLoad = defer; }
void didTellClientAboutLoad(const String& url);
bool haveToldClientAboutLoad(const String& url) { return m_resourcesClientKnowsAbout.contains(url); }
void recordMemoryCacheLoadForFutureClientNotification(const ResourceRequest&);
void takeMemoryCacheLoadsForClientNotification(Vector<ResourceRequest>& loads);
const DocumentLoadTiming& timing() const { return m_loadTiming; }
DocumentLoadTiming& timing() { return m_loadTiming; }
void resetTiming() { m_loadTiming = { }; }
// The WebKit layer calls this function when it's ready for the data to actually be added to the document.
WEBCORE_EXPORT void commitData(const SharedBuffer&);
ApplicationCacheHost& applicationCacheHost() const;
ApplicationCacheHost* applicationCacheHostUnlessBeingDestroyed() const;
void checkLoadComplete();
// The URL of the document resulting from this DocumentLoader.
URL documentURL() const;
#if USE(QUICK_LOOK)
void setPreviewConverter(RefPtr<PreviewConverter>&&);
PreviewConverter* previewConverter() const;
#endif
#if ENABLE(CONTENT_EXTENSIONS)
void addPendingContentExtensionSheet(const String& identifier, StyleSheetContents&);
void addPendingContentExtensionDisplayNoneSelector(const String& identifier, const String& selector, uint32_t selectorID);
#endif
void setShouldOpenExternalURLsPolicy(ShouldOpenExternalURLsPolicy shouldOpenExternalURLsPolicy) { m_shouldOpenExternalURLsPolicy = shouldOpenExternalURLsPolicy; }
ShouldOpenExternalURLsPolicy shouldOpenExternalURLsPolicyToPropagate() const;
#if ENABLE(CONTENT_FILTERING)
#if ENABLE(CONTENT_FILTERING_IN_NETWORKING_PROCESS)
void setBlockedPageURL(const URL& blockedPageURL) { m_blockedPageURL = blockedPageURL; }
void setSubstituteDataFromContentFilter(SubstituteData&& substituteDataFromContentFilter) { m_substituteDataFromContentFilter = WTFMove(substituteDataFromContentFilter); }
#endif // ENABLE(CONTENT_FILTERING_IN_NETWORKING_PROCESS)
ContentFilter* contentFilter() const { return m_contentFilter.get(); }
void ref() const final { RefCounted<DocumentLoader>::ref(); }
void deref() const final { RefCounted<DocumentLoader>::deref(); }
WEBCORE_EXPORT ResourceError handleContentFilterDidBlock(ContentFilterUnblockHandler, String&& unblockRequestDeniedScript);
#endif
void startIconLoading();
WEBCORE_EXPORT void didGetLoadDecisionForIcon(bool decision, uint64_t loadIdentifier, CompletionHandler<void(FragmentedSharedBuffer*)>&&);
void finishedLoadingIcon(IconLoader&, FragmentedSharedBuffer*);
const Vector<LinkIcon>& linkIcons() const { return m_linkIcons; }
#if ENABLE(APPLICATION_MANIFEST)
WEBCORE_EXPORT void loadApplicationManifest(CompletionHandler<void(const std::optional<ApplicationManifest>&)>&&);
void finishedLoadingApplicationManifest(ApplicationManifestLoader&);
#endif
WEBCORE_EXPORT void setCustomHeaderFields(Vector<CustomHeaderFields>&&);
const Vector<CustomHeaderFields>& customHeaderFields() const { return m_customHeaderFields; }
void setAllowsWebArchiveForMainFrame(bool allowsWebArchiveForMainFrame) { m_allowsWebArchiveForMainFrame = allowsWebArchiveForMainFrame; }
bool allowsWebArchiveForMainFrame() const { return m_allowsWebArchiveForMainFrame; }
void setAllowsDataURLsForMainFrame(bool allowsDataURLsForMainFrame) { m_allowsDataURLsForMainFrame = allowsDataURLsForMainFrame; }
bool allowsDataURLsForMainFrame() const { return m_allowsDataURLsForMainFrame; }
const AtomString& downloadAttribute() const { return m_triggeringAction.downloadAttribute(); }
WEBCORE_EXPORT void applyPoliciesToSettings();
void setAllowContentChangeObserverQuirk(bool allow) { m_allowContentChangeObserverQuirk = allow; }
bool allowContentChangeObserverQuirk() const { return m_allowContentChangeObserverQuirk; }
void setIdempotentModeAutosizingOnlyHonorsPercentages(bool idempotentModeAutosizingOnlyHonorsPercentages) { m_idempotentModeAutosizingOnlyHonorsPercentages = idempotentModeAutosizingOnlyHonorsPercentages; }
bool idempotentModeAutosizingOnlyHonorsPercentages() const { return m_idempotentModeAutosizingOnlyHonorsPercentages; }
#if ENABLE(SERVICE_WORKER)
WEBCORE_EXPORT bool setControllingServiceWorkerRegistration(ServiceWorkerRegistrationData&&);
WEBCORE_EXPORT ScriptExecutionContextIdentifier resultingClientId() const;
#endif
bool lastNavigationWasAppInitiated() const { return m_lastNavigationWasAppInitiated; }
void setLastNavigationWasAppInitiated(bool lastNavigationWasAppInitiated) { m_lastNavigationWasAppInitiated = lastNavigationWasAppInitiated; }
ContentSecurityPolicy* contentSecurityPolicy() const { return m_contentSecurityPolicy.get(); }
const std::optional<CrossOriginOpenerPolicy>& crossOriginOpenerPolicy() const { return m_responseCOOP; }
bool isContinuingLoadAfterProvisionalLoadStarted() const { return m_isContinuingLoadAfterProvisionalLoadStarted; }
void setIsContinuingLoadAfterProvisionalLoadStarted(bool isContinuingLoadAfterProvisionalLoadStarted) { m_isContinuingLoadAfterProvisionalLoadStarted = isContinuingLoadAfterProvisionalLoadStarted; }
#if ENABLE(CONTENT_FILTERING)
bool contentFilterWillHandleProvisionalLoadFailure(const ResourceError&);
void contentFilterHandleProvisionalLoadFailure(const ResourceError&);
#endif
protected:
WEBCORE_EXPORT DocumentLoader(const ResourceRequest&, const SubstituteData&);
WEBCORE_EXPORT virtual void attachToFrame();
bool m_deferMainResourceDataLoad { true };
private:
class DataLoadToken : public CanMakeWeakPtr<DataLoadToken> {
public:
void clear() { weakPtrFactory().revokeAll(); }
};
Document* document() const;
#if ENABLE(SERVICE_WORKER)
void matchRegistration(const URL&, CompletionHandler<void(std::optional<ServiceWorkerRegistrationData>&&)>&&);
#endif
void unregisterReservedServiceWorkerClient();
std::optional<CrossOriginOpenerPolicyEnforcementResult> doCrossOriginOpenerHandlingOfResponse(const ResourceResponse&);
void loadMainResource(ResourceRequest&&);
void setRequest(const ResourceRequest&);
void commitIfReady();
void setMainDocumentError(const ResourceError&);
void commitLoad(const SharedBuffer&);
void clearMainResourceLoader();
void setupForReplace();
void maybeFinishLoadingMultipartContent();
bool maybeCreateArchive();
#if ENABLE(WEB_ARCHIVE) || ENABLE(MHTML)
void clearArchiveResources();
#endif
#if ENABLE(WEB_ARCHIVE)
bool isLoadingRemoteArchive() const;
#endif
void willSendRequest(ResourceRequest&&, const ResourceResponse&, CompletionHandler<void(ResourceRequest&&)>&&);
void finishedLoading();
void mainReceivedError(const ResourceError&);
WEBCORE_EXPORT void redirectReceived(CachedResource&, ResourceRequest&&, const ResourceResponse&, CompletionHandler<void(ResourceRequest&&)>&&) override;
WEBCORE_EXPORT void responseReceived(CachedResource&, const ResourceResponse&, CompletionHandler<void()>&&) override;
WEBCORE_EXPORT void dataReceived(CachedResource&, const SharedBuffer&) override;
WEBCORE_EXPORT void notifyFinished(CachedResource&, const NetworkLoadMetrics&) override;
#if USE(QUICK_LOOK)
WEBCORE_EXPORT void previewResponseReceived(CachedResource&, const ResourceResponse&) override;
#endif
void responseReceived(const ResourceResponse&, CompletionHandler<void()>&&);
#if ENABLE(CONTENT_FILTERING)
// ContentFilterClient
WEBCORE_EXPORT void dataReceivedThroughContentFilter(const SharedBuffer&, size_t) final;
WEBCORE_EXPORT ResourceError contentFilterDidBlock(ContentFilterUnblockHandler, String&& unblockRequestDeniedScript) final;
WEBCORE_EXPORT void cancelMainResourceLoadForContentFilter(const ResourceError&) final;
WEBCORE_EXPORT void handleProvisionalLoadFailureFromContentFilter(const URL& blockedPageURL, SubstituteData&) final;
#endif
void dataReceived(const SharedBuffer&);
bool maybeLoadEmpty();
bool isMultipartReplacingLoad() const;
bool isPostOrRedirectAfterPost(const ResourceRequest&, const ResourceResponse&);
bool tryLoadingRequestFromApplicationCache();
bool tryLoadingSubstituteData();
bool tryLoadingRedirectRequestFromApplicationCache(const ResourceRequest&);
void continueAfterContentPolicy(PolicyAction);
void stopLoadingForPolicyChange();
ResourceError interruptedForPolicyChangeError() const;
void handleSubstituteDataLoadNow();
void deliverSubstituteResourcesAfterDelay();
void substituteResourceDeliveryTimerFired();
void clearMainResource();
void cancelPolicyCheckIfNeeded();
void becomeMainResourceClient();
#if ENABLE(APPLICATION_MANIFEST)
void notifyFinishedLoadingApplicationManifest();
#endif
// ContentSecurityPolicyClient
WEBCORE_EXPORT void addConsoleMessage(MessageSource, MessageLevel, const String&, unsigned long requestIdentifier) final;
WEBCORE_EXPORT void sendCSPViolationReport(URL&&, Ref<FormData>&&) final;
WEBCORE_EXPORT void enqueueSecurityPolicyViolationEvent(SecurityPolicyViolationEventInit&&) final;
bool disallowWebArchive() const;
bool disallowDataRequest() const;
void updateAdditionalSettingsIfNeeded();
Ref<CachedResourceLoader> m_cachedResourceLoader;
CachedResourceHandle<CachedRawResource> m_mainResource;
ResourceLoaderMap m_subresourceLoaders;
ResourceLoaderMap m_multipartSubresourceLoaders;
ResourceLoaderMap m_plugInStreamLoaders;
mutable DocumentWriter m_writer;
// A reference to actual request used to create the data source.
// This should only be used by the resourceLoadDelegate's
// identifierForInitialRequest:fromDatasource: method. It is
// not guaranteed to remain unchanged, as requests are mutable.
ResourceRequest m_originalRequest;
SubstituteData m_substituteData;
// A copy of the original request used to create the data source.
// We have to copy the request because requests are mutable.
ResourceRequest m_originalRequestCopy;
// The 'working' request. It may be mutated
// several times from the original request to include additional
// headers, cookie information, canonicalization and redirects.
ResourceRequest m_request;
ResourceResponse m_response;
ResourceError m_mainDocumentError;
bool m_originalSubstituteDataWasValid;
bool m_committed { false };
bool m_isStopping { false };
bool m_gotFirstByte { false };
bool m_isClientRedirect { false };
bool m_isLoadingMultipartContent { false };
bool m_isContinuingLoadAfterProvisionalLoadStarted { false };
// FIXME: Document::m_processingLoadEvent and DocumentLoader::m_wasOnloadDispatched are roughly the same
// and should be merged.
bool m_wasOnloadDispatched { false };
StringWithDirection m_pageTitle;
String m_overrideEncoding;
// The action that triggered loading - we keep this around for the
// benefit of the various policy handlers.
NavigationAction m_triggeringAction;
// The last request that we checked click policy for - kept around
// so we can avoid asking again needlessly.
ResourceRequest m_lastCheckedRequest;
// We retain all the received responses so we can play back the
// WebResourceLoadDelegate messages if the item is loaded from the
// back/forward cache.
Vector<ResourceResponse> m_responses;
bool m_stopRecordingResponses { false };
std::optional<CrossOriginOpenerPolicy> m_responseCOOP;
typedef HashMap<RefPtr<ResourceLoader>, RefPtr<SubstituteResource>> SubstituteResourceMap;
SubstituteResourceMap m_pendingSubstituteResources;
Timer m_substituteResourceDeliveryTimer;
std::unique_ptr<ArchiveResourceCollection> m_archiveResourceCollection;
#if ENABLE(WEB_ARCHIVE) || ENABLE(MHTML)
RefPtr<Archive> m_archive;
RefPtr<SharedBuffer> m_parsedArchiveData;
#endif
MemoryCompactRobinHoodHashSet<String> m_resourcesClientKnowsAbout;
Vector<ResourceRequest> m_resourcesLoadedFromMemoryCacheForClientNotification;
String m_clientRedirectSourceForHistory;
bool m_didCreateGlobalHistoryEntry { false };
bool m_loadingMainResource { false };
DocumentLoadTiming m_loadTiming;
ResourceLoaderIdentifier m_identifierForLoadWithoutResourceLoader;
DataLoadToken m_dataLoadToken;
bool m_waitingForContentPolicy { false };
bool m_waitingForNavigationPolicy { false };
HashMap<uint64_t, LinkIcon> m_iconsPendingLoadDecision;
HashMap<std::unique_ptr<IconLoader>, CompletionHandler<void(FragmentedSharedBuffer*)>> m_iconLoaders;
Vector<LinkIcon> m_linkIcons;
#if ENABLE(APPLICATION_MANIFEST)
std::unique_ptr<ApplicationManifestLoader> m_applicationManifestLoader;
Vector<CompletionHandler<void(const std::optional<ApplicationManifest>&)>> m_loadApplicationManifestCallbacks;
bool m_finishedLoadingApplicationManifest { false };
#endif
Vector<CustomHeaderFields> m_customHeaderFields;
ShouldOpenExternalURLsPolicy m_shouldOpenExternalURLsPolicy { ShouldOpenExternalURLsPolicy::ShouldNotAllow };
std::unique_ptr<ApplicationCacheHost> m_applicationCacheHost;
std::unique_ptr<ContentSecurityPolicy> m_contentSecurityPolicy;
#if ENABLE(CONTENT_FILTERING)
std::unique_ptr<ContentFilter> m_contentFilter;
#if ENABLE(CONTENT_FILTERING_IN_NETWORKING_PROCESS)
bool m_blockedByContentFilter { false };
ResourceError m_blockedError;
URL m_blockedPageURL;
SubstituteData m_substituteDataFromContentFilter;
#endif // ENABLE(CONTENT_FILTERING_IN_NETWORKING_PROCESS)
#endif // ENABLE(CONTENT_FILTERING)
#if USE(QUICK_LOOK)
RefPtr<PreviewConverter> m_previewConverter;
#endif
#if ENABLE(CONTENT_EXTENSIONS)
MemoryCompactRobinHoodHashMap<String, RefPtr<StyleSheetContents>> m_pendingNamedContentExtensionStyleSheets;
MemoryCompactRobinHoodHashMap<String, Vector<std::pair<String, uint32_t>>> m_pendingContentExtensionDisplayNoneSelectors;
#endif
String m_customUserAgent;
String m_customUserAgentAsSiteSpecificQuirks;
bool m_allowContentChangeObserverQuirk { false };
bool m_idempotentModeAutosizingOnlyHonorsPercentages { false };
String m_customNavigatorPlatform;
bool m_userContentExtensionsEnabled { true };
MemoryCompactRobinHoodHashMap<String, Vector<UserContentURLPattern>> m_activeContentRuleListActionPatterns;
#if ENABLE(DEVICE_ORIENTATION)
DeviceOrientationOrMotionPermissionState m_deviceOrientationAndMotionAccessState { DeviceOrientationOrMotionPermissionState::Prompt };
#endif
AutoplayPolicy m_autoplayPolicy { AutoplayPolicy::Default };
OptionSet<AutoplayQuirk> m_allowedAutoplayQuirks;
PopUpPolicy m_popUpPolicy { PopUpPolicy::Default };
MetaViewportPolicy m_metaViewportPolicy { MetaViewportPolicy::Default };
MediaSourcePolicy m_mediaSourcePolicy { MediaSourcePolicy::Default };
SimulatedMouseEventsDispatchPolicy m_simulatedMouseEventsDispatchPolicy { SimulatedMouseEventsDispatchPolicy::Default };
LegacyOverflowScrollingTouchPolicy m_legacyOverflowScrollingTouchPolicy { LegacyOverflowScrollingTouchPolicy::Default };
MouseEventPolicy m_mouseEventPolicy { MouseEventPolicy::Default };
ModalContainerObservationPolicy m_modalContainerObservationPolicy { ModalContainerObservationPolicy::Disabled };
ColorSchemePreference m_colorSchemePreference { ColorSchemePreference::NoPreference };
#if ENABLE(SERVICE_WORKER)
std::optional<ServiceWorkerRegistrationData> m_serviceWorkerRegistrationData;
bool m_canUseServiceWorkers { true };
#endif
ScriptExecutionContextIdentifier m_resultingClientId;
#if ASSERT_ENABLED
bool m_hasEverBeenAttached { false };
#endif
bool m_allowsWebArchiveForMainFrame { false };
bool m_allowsDataURLsForMainFrame { false };
bool m_lastNavigationWasAppInitiated { true };
};
inline void DocumentLoader::recordMemoryCacheLoadForFutureClientNotification(const ResourceRequest& request)
{
m_resourcesLoadedFromMemoryCacheForClientNotification.append(request);
}
inline void DocumentLoader::takeMemoryCacheLoadsForClientNotification(Vector<ResourceRequest>& loadsSet)
{
loadsSet.swap(m_resourcesLoadedFromMemoryCacheForClientNotification);
m_resourcesLoadedFromMemoryCacheForClientNotification.clear();
}
inline const ResourceRequest& DocumentLoader::originalRequest() const
{
return m_originalRequest;
}
inline const ResourceRequest& DocumentLoader::originalRequestCopy() const
{
return m_originalRequestCopy;
}
inline const ResourceRequest& DocumentLoader::request() const
{
return m_request;
}
inline ResourceRequest& DocumentLoader::request()
{
return m_request;
}
inline const URL& DocumentLoader::url() const
{
return m_request.url();
}
inline const URL& DocumentLoader::originalURL() const
{
return m_originalRequestCopy.url();
}
inline const URL& DocumentLoader::responseURL() const
{
return m_response.url();
}
inline const String& DocumentLoader::responseMIMEType() const
{
return m_response.mimeType();
}
inline const String& DocumentLoader::currentContentType() const
{
return m_writer.mimeType();
}
inline const URL& DocumentLoader::unreachableURL() const
{
return m_substituteData.failingURL();
}
inline ApplicationCacheHost& DocumentLoader::applicationCacheHost() const
{
// For a short time while the document loader is being destroyed, m_applicationCacheHost is null.
// It's not acceptable to call this function during that time.
ASSERT(m_applicationCacheHost);
return *m_applicationCacheHost;
}
inline ApplicationCacheHost* DocumentLoader::applicationCacheHostUnlessBeingDestroyed() const
{
return m_applicationCacheHost.get();
}
inline void DocumentLoader::didTellClientAboutLoad(const String& url)
{
#if !PLATFORM(COCOA)
// Don't include data URLs here, as if a lot of data is loaded that way, we hold on to the (large) URL string for too long.
if (protocolIs(url, "data"_s))
return;
#endif
if (!url.isEmpty())
m_resourcesClientKnowsAbout.add(url);
}
} // namespace WebCore
namespace WTF {
template<> struct EnumTraits<WebCore::MouseEventPolicy> {
using values = EnumValues<
WebCore::MouseEventPolicy,
WebCore::MouseEventPolicy::Default
#if ENABLE(IOS_TOUCH_EVENTS)
, WebCore::MouseEventPolicy::SynthesizeTouchEvents
#endif
>;
};
template<> struct EnumTraits<WebCore::ModalContainerObservationPolicy> {
using values = EnumValues<
WebCore::ModalContainerObservationPolicy,
WebCore::ModalContainerObservationPolicy::Disabled,
WebCore::ModalContainerObservationPolicy::Prompt
>;
};
template<> struct EnumTraits<WebCore::ColorSchemePreference> {
using values = EnumValues<
WebCore::ColorSchemePreference,
WebCore::ColorSchemePreference::NoPreference,
WebCore::ColorSchemePreference::Light,
WebCore::ColorSchemePreference::Dark
>;
};
} // namespace WTF