| /* |
| * Copyright (C) 2006, 2007, 2008, 2009 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 Computer, 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. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_DOCUMENT_LOADER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_DOCUMENT_LOADER_H_ |
| |
| #include <memory> |
| #include "base/memory/scoped_refptr.h" |
| #include "base/unguessable_token.h" |
| #include "third_party/blink/public/platform/web_loading_behavior_flag.h" |
| #include "third_party/blink/public/web/web_frame_load_type.h" |
| #include "third_party/blink/public/web/web_global_object_reuse_policy.h" |
| #include "third_party/blink/public/web/web_navigation_params.h" |
| #include "third_party/blink/public/web/web_navigation_type.h" |
| #include "third_party/blink/renderer/bindings/core/v8/source_location.h" |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/core/dom/weak_identifier_map.h" |
| #include "third_party/blink/renderer/core/frame/csp/content_security_policy.h" |
| #include "third_party/blink/renderer/core/frame/dactyloscoper.h" |
| #include "third_party/blink/renderer/core/frame/frame_types.h" |
| #include "third_party/blink/renderer/core/frame/use_counter.h" |
| #include "third_party/blink/renderer/core/html/parser/parser_synchronization_policy.h" |
| #include "third_party/blink/renderer/core/loader/document_load_timing.h" |
| #include "third_party/blink/renderer/core/loader/frame_loader_types.h" |
| #include "third_party/blink/renderer/core/loader/link_loader.h" |
| #include "third_party/blink/renderer/core/loader/navigation_policy.h" |
| #include "third_party/blink/renderer/core/loader/previews_resource_loading_hints.h" |
| #include "third_party/blink/renderer/core/page/viewport_description.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/client_hints_preferences.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/raw_resource.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/resource_error.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/resource_request.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/resource_response.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/substitute_data.h" |
| #include "third_party/blink/renderer/platform/shared_buffer.h" |
| #include "third_party/blink/renderer/platform/wtf/hash_set.h" |
| |
| #include <memory> |
| |
| namespace blink { |
| |
| class ApplicationCacheHost; |
| class Document; |
| class DocumentParser; |
| class FrameLoader; |
| class HistoryItem; |
| class LocalFrame; |
| class LocalFrameClient; |
| class ResourceFetcher; |
| class ResourceTimingInfo; |
| class SerializedScriptValue; |
| class SubresourceFilter; |
| class WebServiceWorkerNetworkProvider; |
| struct ViewportDescriptionWrapper; |
| |
| // The DocumentLoader fetches a main resource and handles the result. |
| class CORE_EXPORT DocumentLoader |
| : public GarbageCollectedFinalized<DocumentLoader>, |
| private RawResourceClient { |
| USING_GARBAGE_COLLECTED_MIXIN(DocumentLoader); |
| |
| public: |
| DocumentLoader(LocalFrame*, |
| WebNavigationType navigation_type, |
| std::unique_ptr<WebNavigationParams> navigation_params); |
| ~DocumentLoader() override; |
| |
| static bool WillLoadUrlAsEmpty(const KURL&); |
| |
| LocalFrame* GetFrame() const { return frame_; } |
| |
| ResourceTimingInfo* GetNavigationTimingInfo() const; |
| |
| virtual void DetachFromFrame(bool flush_microtask_queue); |
| |
| unsigned long MainResourceIdentifier() const; |
| |
| void ReplaceDocumentWhileExecutingJavaScriptURL(const KURL&, |
| Document* owner_document, |
| WebGlobalObjectReusePolicy, |
| const String& source); |
| |
| const AtomicString& MimeType() const; |
| |
| const KURL& OriginalUrl() const; |
| const AtomicString& OriginalReferrer() const; |
| |
| ResourceFetcher* Fetcher() const { return fetcher_.Get(); } |
| |
| void SetSubresourceFilter(SubresourceFilter*); |
| SubresourceFilter* GetSubresourceFilter() const { |
| return subresource_filter_.Get(); |
| } |
| void SetPreviewsResourceLoadingHints( |
| PreviewsResourceLoadingHints* resource_loading_hints) { |
| resource_loading_hints_ = resource_loading_hints; |
| } |
| PreviewsResourceLoadingHints* GetPreviewsResourceLoadingHints() const { |
| return resource_loading_hints_; |
| } |
| |
| const SubstituteData& GetSubstituteData() const { return substitute_data_; } |
| |
| const KURL& Url() const; |
| const KURL& UnreachableURL() const; |
| const KURL& UrlForHistory() const; |
| const AtomicString& Referrer() const; |
| EncodedFormData* HttpBody() const; |
| |
| void DidChangePerformanceTiming(); |
| void DidObserveLoadingBehavior(WebLoadingBehaviorFlag); |
| void UpdateForSameDocumentNavigation(const KURL&, |
| SameDocumentNavigationSource, |
| scoped_refptr<SerializedScriptValue>, |
| HistoryScrollRestorationType, |
| WebFrameLoadType, |
| Document*); |
| const ResourceResponse& GetResponse() const { return response_; } |
| bool IsClientRedirect() const { return is_client_redirect_; } |
| void SetIsClientRedirect(bool is_client_redirect) { |
| is_client_redirect_ = is_client_redirect; |
| } |
| bool ReplacesCurrentHistoryItem() const { |
| return replaces_current_history_item_; |
| } |
| void SetReplacesCurrentHistoryItem(bool replaces_current_history_item) { |
| replaces_current_history_item_ = replaces_current_history_item; |
| } |
| |
| bool IsCommittedButEmpty() const { |
| return state_ >= kCommitted && !data_received_; |
| } |
| |
| // Without PlzNavigate, this is only false for a narrow window during |
| // navigation start. For PlzNavigate, a navigation sent to the browser will |
| // leave a dummy DocumentLoader in the NotStarted state until the navigation |
| // is actually handled in the renderer. |
| bool DidStart() const { return state_ != kNotStarted; } |
| |
| void MarkAsCommitted(); |
| void SetSentDidFinishLoad() { state_ = kSentDidFinishLoad; } |
| bool SentDidFinishLoad() const { return state_ == kSentDidFinishLoad; } |
| |
| WebFrameLoadType LoadType() const { return load_type_; } |
| void SetLoadType(WebFrameLoadType load_type) { load_type_ = load_type; } |
| |
| WebNavigationType GetNavigationType() const { return navigation_type_; } |
| void SetNavigationType(WebNavigationType navigation_type) { |
| navigation_type_ = navigation_type; |
| } |
| |
| void SetItemForHistoryNavigation(HistoryItem* item) { history_item_ = item; } |
| HistoryItem* GetHistoryItem() const { return history_item_; } |
| |
| void StartLoading(); |
| void StopLoading(); |
| |
| DocumentLoadTiming& GetTiming() { return document_load_timing_; } |
| const DocumentLoadTiming& GetTiming() const { return document_load_timing_; } |
| |
| ApplicationCacheHost* GetApplicationCacheHost() const { |
| return application_cache_host_.Get(); |
| } |
| |
| void ClearRedirectChain(); |
| void AppendRedirect(const KURL&); |
| |
| ClientHintsPreferences& GetClientHintsPreferences() { |
| return client_hints_preferences_; |
| } |
| |
| struct InitialScrollState { |
| DISALLOW_NEW(); |
| InitialScrollState() |
| : was_scrolled_by_user(false), did_restore_from_history(false) {} |
| |
| bool was_scrolled_by_user; |
| bool did_restore_from_history; |
| }; |
| InitialScrollState& GetInitialScrollState() { return initial_scroll_state_; } |
| |
| void SetWasBlockedAfterCSP() { was_blocked_after_csp_ = true; } |
| bool WasBlockedAfterCSP() { return was_blocked_after_csp_; } |
| |
| void DispatchLinkHeaderPreloads(ViewportDescriptionWrapper*, |
| LinkLoader::MediaPreloadPolicy); |
| |
| void SetServiceWorkerNetworkProvider( |
| std::unique_ptr<WebServiceWorkerNetworkProvider>); |
| |
| // May return null before the first HTML tag is inserted by the |
| // parser (before didCreateDataSource is called), after the document |
| // is detached from frame, or in tests. |
| WebServiceWorkerNetworkProvider* GetServiceWorkerNetworkProvider() { |
| return service_worker_network_provider_.get(); |
| } |
| |
| // Returns a SourceLocation that triggered the navigation if any. |
| std::unique_ptr<SourceLocation> CopySourceLocation() const; |
| |
| void LoadFailed(const ResourceError&); |
| |
| void SetUserActivated(); |
| |
| const AtomicString& RequiredCSP(); |
| |
| void Trace(blink::Visitor*) override; |
| |
| // For automation driver-initiated navigations over the devtools protocol, |
| // |devtools_navigation_token_| is used to tag the navigation. This navigation |
| // token is then sent into the renderer and lands on the DocumentLoader. That |
| // way subsequent Blink-level frame lifecycle events can be associated with |
| // the concrete navigation. |
| // - The value should not be sent back to the browser. |
| // - The value on DocumentLoader may be generated in the renderer in some |
| // cases, and thus shouldn't be trusted. |
| // TODO(crbug.com/783506): Replace devtools navigation token with the generic |
| // navigation token that can be passed from renderer to the browser. |
| const base::UnguessableToken& GetDevToolsNavigationToken() { |
| return devtools_navigation_token_; |
| } |
| |
| // Can be used to temporarily suspend feeding the parser with new data. The |
| // parser will be allowed to read new data when ResumeParser() is called the |
| // same number of time than BlockParser(). |
| void BlockParser(); |
| void ResumeParser(); |
| |
| // Returns the currently stored content security policy, if this is called |
| // after the document has been installed it will return nullptr as the |
| // CSP belongs to the document at that point. |
| const ContentSecurityPolicy* GetContentSecurityPolicy() const { |
| return content_security_policy_.Get(); |
| } |
| |
| bool IsListingFtpDirectory() const { return listing_ftp_directory_; } |
| |
| UseCounter& GetUseCounter() { return use_counter_; } |
| Dactyloscoper& GetDactyloscoper() { return dactyloscoper_; } |
| |
| protected: |
| static bool ShouldClearWindowName( |
| const LocalFrame&, |
| const SecurityOrigin* previous_security_origin, |
| const Document& new_document); |
| |
| bool had_transient_activation() const { return had_transient_activation_; } |
| |
| Vector<KURL> redirect_chain_; |
| |
| // The 'working' request. It may be mutated |
| // several times from the original request to include additional |
| // headers, cookie information, canonicalization and redirects. |
| ResourceRequest request_; |
| |
| private: |
| // installNewDocument() does the work of creating a Document and |
| // DocumentParser, as well as creating a new LocalDOMWindow if needed. It also |
| // initalizes a bunch of state on the Document (e.g., the state based on |
| // response headers). |
| enum class InstallNewDocumentReason { kNavigation, kJavascriptURL }; |
| void InstallNewDocument(const KURL&, |
| Document* owner_document, |
| WebGlobalObjectReusePolicy, |
| const AtomicString& mime_type, |
| const AtomicString& encoding, |
| InstallNewDocumentReason, |
| ParserSynchronizationPolicy, |
| const KURL& overriding_url); |
| void DidInstallNewDocument(Document*); |
| void WillCommitNavigation(); |
| void DidCommitNavigation(WebGlobalObjectReusePolicy); |
| |
| void CommitNavigation(const AtomicString& mime_type, |
| const KURL& overriding_url = KURL()); |
| |
| // Use these method only where it's guaranteed that |m_frame| hasn't been |
| // cleared. |
| FrameLoader& GetFrameLoader() const; |
| LocalFrameClient& GetLocalFrameClient() const; |
| |
| void CommitData(const char* bytes, size_t length); |
| |
| bool MaybeCreateArchive(); |
| |
| void FinishedLoading(TimeTicks finish_time); |
| void CancelLoadAfterCSPDenied(const ResourceResponse&); |
| |
| enum class HistoryNavigationType { |
| kDifferentDocument, |
| kFragment, |
| kHistoryApi |
| }; |
| void SetHistoryItemStateForCommit(HistoryItem* old_item, |
| WebFrameLoadType, |
| HistoryNavigationType); |
| |
| // RawResourceClient implementation |
| bool RedirectReceived(Resource*, |
| const ResourceRequest&, |
| const ResourceResponse&) final; |
| void ResponseReceived(Resource*, |
| const ResourceResponse&, |
| std::unique_ptr<WebDataConsumerHandle>) final; |
| void DataReceived(Resource*, const char* data, size_t length) final; |
| |
| // ResourceClient implementation |
| void NotifyFinished(Resource*) final; |
| String DebugName() const override { return "DocumentLoader"; } |
| |
| void ProcessData(const char* data, size_t length); |
| |
| bool MaybeLoadEmpty(); |
| |
| bool IsRedirectAfterPost(const ResourceRequest&, const ResourceResponse&); |
| |
| bool ShouldContinueForResponse() const; |
| |
| // Processes the data stored in the data_buffer_, used to avoid appending data |
| // to the parser in a nested message loop. |
| void ProcessDataBuffer(); |
| |
| // Sends an intervention report if the page is being served as a preview. |
| void ReportPreviewsIntervention() const; |
| |
| Member<LocalFrame> frame_; |
| Member<ResourceFetcher> fetcher_; |
| |
| Member<HistoryItem> history_item_; |
| |
| // The parser that was created when the current Document was installed. |
| // document.open() may create a new parser at a later point, but this |
| // will not be updated. |
| Member<DocumentParser> parser_; |
| |
| Member<SubresourceFilter> subresource_filter_; |
| |
| // Stores the resource loading hints for this document. |
| Member<PreviewsResourceLoadingHints> resource_loading_hints_; |
| |
| SubstituteData substitute_data_; |
| |
| // A reference to actual request's url and referrer used to |
| // inititate this load. |
| KURL original_url_; |
| AtomicString original_referrer_; |
| |
| ResourceResponse response_; |
| |
| WebFrameLoadType load_type_; |
| |
| bool is_client_redirect_; |
| bool replaces_current_history_item_; |
| bool data_received_; |
| |
| WebNavigationType navigation_type_; |
| |
| DocumentLoadTiming document_load_timing_; |
| |
| TimeTicks time_of_last_data_received_; |
| |
| Member<ApplicationCacheHost> application_cache_host_; |
| |
| std::unique_ptr<WebServiceWorkerNetworkProvider> |
| service_worker_network_provider_; |
| |
| Member<ContentSecurityPolicy> content_security_policy_; |
| ClientHintsPreferences client_hints_preferences_; |
| InitialScrollState initial_scroll_state_; |
| |
| bool was_blocked_after_csp_; |
| |
| // PlzNavigate: set when committing a navigation. The data has originally been |
| // captured when the navigation was sent to the browser process, and it is |
| // sent back at commit time. |
| std::unique_ptr<SourceLocation> source_location_; |
| |
| enum State { kNotStarted, kProvisional, kCommitted, kSentDidFinishLoad }; |
| State state_; |
| |
| // Used to block the parser. |
| int parser_blocked_count_ = 0; |
| bool finished_loading_ = false; |
| scoped_refptr<SharedBuffer> committed_data_buffer_; |
| |
| // Used to protect against reentrancy into dataReceived(). |
| bool in_data_received_; |
| scoped_refptr<SharedBuffer> data_buffer_; |
| base::UnguessableToken devtools_navigation_token_; |
| |
| // Whether this load request comes with a sitcky user activation. |
| bool had_sticky_activation_; |
| // Whether this load request had a user activation when created. |
| bool had_transient_activation_; |
| |
| bool listing_ftp_directory_ = false; |
| unsigned long main_resource_identifier_ = 0; |
| |
| // This UseCounter tracks feature usage associated with the lifetime of the |
| // document load. Features recorded prior to commit will be recorded locally. |
| // Once commited, feature usage will be piped to the browser side page load |
| // metrics that aggregates usage from frames to one page load and report |
| // feature usage to UMA histograms per page load. |
| UseCounter use_counter_; |
| |
| Dactyloscoper dactyloscoper_; |
| }; |
| |
| DECLARE_WEAK_IDENTIFIER_MAP(DocumentLoader); |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_DOCUMENT_LOADER_H_ |