| /* |
| * Copyright (C) 2013 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| * OWNER OR 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. |
| */ |
| |
| #include "third_party/blink/renderer/core/loader/frame_fetch_context.h" |
| |
| #include <algorithm> |
| #include <memory> |
| |
| #include "base/feature_list.h" |
| #include "base/metrics/histogram_functions.h" |
| #include "base/metrics/histogram_macros.h" |
| #include "build/build_config.h" |
| #include "mojo/public/cpp/bindings/associated_remote.h" |
| #include "net/http/structured_headers.h" |
| #include "services/network/public/cpp/attribution_reporting_runtime_features.h" |
| #include "services/network/public/cpp/client_hints.h" |
| #include "services/network/public/cpp/features.h" |
| #include "services/network/public/mojom/web_client_hints_types.mojom-blink.h" |
| #include "services/network/public/mojom/web_client_hints_types.mojom-shared.h" |
| #include "third_party/abseil-cpp/absl/types/optional.h" |
| #include "third_party/blink/public/common/associated_interfaces/associated_interface_provider.h" |
| #include "third_party/blink/public/common/client_hints/client_hints.h" |
| #include "third_party/blink/public/common/device_memory/approximated_device_memory.h" |
| #include "third_party/blink/public/mojom/fetch/fetch_api_request.mojom-blink.h" |
| #include "third_party/blink/public/mojom/loader/request_context_frame_type.mojom-blink.h" |
| #include "third_party/blink/public/mojom/permissions_policy/permissions_policy.mojom-blink.h" |
| #include "third_party/blink/public/platform/modules/service_worker/web_service_worker_network_provider.h" |
| #include "third_party/blink/public/platform/scheduler/web_scoped_virtual_time_pauser.h" |
| #include "third_party/blink/public/platform/web_content_settings_client.h" |
| #include "third_party/blink/public/platform/web_effective_connection_type.h" |
| #include "third_party/blink/public/platform/websocket_handshake_throttle.h" |
| #include "third_party/blink/public/web/web_frame.h" |
| #include "third_party/blink/public/web/web_local_frame.h" |
| #include "third_party/blink/public/web/web_local_frame_client.h" |
| #include "third_party/blink/renderer/bindings/core/v8/script_controller.h" |
| #include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h" |
| #include "third_party/blink/renderer/core/css/media_values.h" |
| #include "third_party/blink/renderer/core/dom/document.h" |
| #include "third_party/blink/renderer/core/fileapi/public_url_manager.h" |
| #include "third_party/blink/renderer/core/frame/ad_tracker.h" |
| #include "third_party/blink/renderer/core/frame/attribution_src_loader.h" |
| #include "third_party/blink/renderer/core/frame/csp/content_security_policy.h" |
| #include "third_party/blink/renderer/core/frame/deprecation/deprecation.h" |
| #include "third_party/blink/renderer/core/frame/frame_console.h" |
| #include "third_party/blink/renderer/core/frame/local_dom_window.h" |
| #include "third_party/blink/renderer/core/frame/local_frame.h" |
| #include "third_party/blink/renderer/core/frame/local_frame_client.h" |
| #include "third_party/blink/renderer/core/frame/local_frame_view.h" |
| #include "third_party/blink/renderer/core/frame/navigator.h" |
| #include "third_party/blink/renderer/core/frame/settings.h" |
| #include "third_party/blink/renderer/core/html/html_frame_owner_element.h" |
| #include "third_party/blink/renderer/core/inspector/console_message.h" |
| #include "third_party/blink/renderer/core/inspector/inspector_audits_issue.h" |
| #include "third_party/blink/renderer/core/inspector/inspector_trace_events.h" |
| #include "third_party/blink/renderer/core/lcp_critical_path_predictor/lcp_critical_path_predictor.h" |
| #include "third_party/blink/renderer/core/loader/back_forward_cache_loader_helper_impl.h" |
| #include "third_party/blink/renderer/core/loader/document_loader.h" |
| #include "third_party/blink/renderer/core/loader/frame_loader.h" |
| #include "third_party/blink/renderer/core/loader/frame_resource_fetcher_properties.h" |
| #include "third_party/blink/renderer/core/loader/idleness_detector.h" |
| #include "third_party/blink/renderer/core/loader/interactive_detector.h" |
| #include "third_party/blink/renderer/core/loader/loader_factory_for_frame.h" |
| #include "third_party/blink/renderer/core/loader/mixed_content_checker.h" |
| #include "third_party/blink/renderer/core/loader/resource_load_observer_for_frame.h" |
| #include "third_party/blink/renderer/core/loader/subresource_filter.h" |
| #include "third_party/blink/renderer/core/page/page.h" |
| #include "third_party/blink/renderer/core/paint/timing/first_meaningful_paint_detector.h" |
| #include "third_party/blink/renderer/core/probe/core_probes.h" |
| #include "third_party/blink/renderer/core/svg/graphics/svg_image_chrome_client.h" |
| #include "third_party/blink/renderer/core/timing/dom_window_performance.h" |
| #include "third_party/blink/renderer/core/timing/performance.h" |
| #include "third_party/blink/renderer/core/timing/window_performance.h" |
| #include "third_party/blink/renderer/core/url/url_search_params.h" |
| #include "third_party/blink/renderer/platform/bindings/script_forbidden_scope.h" |
| #include "third_party/blink/renderer/platform/exported/wrapped_resource_request.h" |
| #include "third_party/blink/renderer/platform/heap/garbage_collected.h" |
| #include "third_party/blink/renderer/platform/instrumentation/tracing/traced_value.h" |
| #include "third_party/blink/renderer/platform/instrumentation/use_counter.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/client_hints_preferences.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/detachable_use_counter.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/resource.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/resource_load_priority.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/resource_loader_options.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/resource_loading_log.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/resource_timing_utils.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/unique_identifier.h" |
| #include "third_party/blink/renderer/platform/mhtml/mhtml_archive.h" |
| #include "third_party/blink/renderer/platform/network/network_state_notifier.h" |
| #include "third_party/blink/renderer/platform/network/network_utils.h" |
| #include "third_party/blink/renderer/platform/weborigin/scheme_registry.h" |
| #include "third_party/blink/renderer/platform/wtf/text/atomic_string.h" |
| #include "third_party/blink/renderer/platform/wtf/text/string_builder.h" |
| #include "third_party/blink/renderer/platform/wtf/vector.h" |
| |
| namespace blink { |
| |
| namespace { |
| |
| mojom::FetchCacheMode DetermineFrameCacheMode(Frame* frame) { |
| if (!frame) |
| return mojom::FetchCacheMode::kDefault; |
| auto* local_frame = DynamicTo<LocalFrame>(frame); |
| if (!local_frame) |
| return DetermineFrameCacheMode(frame->Tree().Parent()); |
| |
| // Does not propagate cache policy for subresources after the load event. |
| // TODO(toyoshim): We should be able to remove following parents' policy check |
| // if each frame has a relevant WebFrameLoadType for reload and history |
| // navigations. |
| if (local_frame->GetDocument()->LoadEventFinished()) |
| return mojom::FetchCacheMode::kDefault; |
| |
| // Respects BypassingCache rather than parent's policy. |
| WebFrameLoadType load_type = |
| local_frame->Loader().GetDocumentLoader()->LoadType(); |
| if (load_type == WebFrameLoadType::kReloadBypassingCache) |
| return mojom::FetchCacheMode::kBypassCache; |
| |
| // Respects parent's policy if it has a special one. |
| mojom::FetchCacheMode parent_cache_mode = |
| DetermineFrameCacheMode(frame->Tree().Parent()); |
| if (parent_cache_mode != mojom::FetchCacheMode::kDefault) |
| return parent_cache_mode; |
| |
| // Otherwise, follows WebFrameLoadType. |
| switch (load_type) { |
| case WebFrameLoadType::kStandard: |
| case WebFrameLoadType::kReplaceCurrentItem: |
| return mojom::FetchCacheMode::kDefault; |
| case WebFrameLoadType::kBackForward: |
| case WebFrameLoadType::kRestore: |
| // Mutates the policy for POST requests to avoid form resubmission. |
| return mojom::FetchCacheMode::kForceCache; |
| case WebFrameLoadType::kReload: |
| return mojom::FetchCacheMode::kDefault; |
| case WebFrameLoadType::kReloadBypassingCache: |
| return mojom::FetchCacheMode::kBypassCache; |
| } |
| NOTREACHED(); |
| return mojom::FetchCacheMode::kDefault; |
| } |
| |
| } // namespace |
| |
| struct FrameFetchContext::FrozenState final : GarbageCollected<FrozenState> { |
| FrozenState(const KURL& url, |
| ContentSecurityPolicy* content_security_policy, |
| net::SiteForCookies site_for_cookies, |
| scoped_refptr<const SecurityOrigin> top_frame_origin, |
| const ClientHintsPreferences& client_hints_preferences, |
| float device_pixel_ratio, |
| const String& user_agent, |
| base::optional_ref<const UserAgentMetadata> user_agent_metadata, |
| bool is_svg_image_chrome_client, |
| bool is_prerendering, |
| const String& reduced_accept_language) |
| : url(url), |
| content_security_policy(content_security_policy), |
| site_for_cookies(std::move(site_for_cookies)), |
| top_frame_origin(std::move(top_frame_origin)), |
| client_hints_preferences(client_hints_preferences), |
| device_pixel_ratio(device_pixel_ratio), |
| user_agent(user_agent), |
| user_agent_metadata(user_agent_metadata.CopyAsOptional()), |
| is_svg_image_chrome_client(is_svg_image_chrome_client), |
| is_prerendering(is_prerendering), |
| reduced_accept_language(reduced_accept_language) {} |
| |
| const KURL url; |
| const scoped_refptr<const SecurityOrigin> parent_security_origin; |
| const Member<ContentSecurityPolicy> content_security_policy; |
| const net::SiteForCookies site_for_cookies; |
| const scoped_refptr<const SecurityOrigin> top_frame_origin; |
| const ClientHintsPreferences client_hints_preferences; |
| const float device_pixel_ratio; |
| const String user_agent; |
| const absl::optional<UserAgentMetadata> user_agent_metadata; |
| const bool is_svg_image_chrome_client; |
| const bool is_prerendering; |
| const String reduced_accept_language; |
| |
| void Trace(Visitor* visitor) const { |
| visitor->Trace(content_security_policy); |
| } |
| }; |
| |
| ResourceFetcher* FrameFetchContext::CreateFetcherForCommittedDocument( |
| DocumentLoader& loader, |
| Document& document) { |
| auto& properties = *MakeGarbageCollected<DetachableResourceFetcherProperties>( |
| *MakeGarbageCollected<FrameResourceFetcherProperties>(loader, document)); |
| LocalFrame* frame = document.GetFrame(); |
| DCHECK(frame); |
| auto* frame_fetch_context = |
| MakeGarbageCollected<FrameFetchContext>(loader, document, properties); |
| ResourceFetcherInit init( |
| properties, frame_fetch_context, |
| frame->GetTaskRunner(TaskType::kNetworking), |
| frame->GetTaskRunner(TaskType::kNetworkingUnfreezable), |
| MakeGarbageCollected<LoaderFactoryForFrame>(loader, *frame->DomWindow()), |
| frame->DomWindow(), |
| MakeGarbageCollected<BackForwardCacheLoaderHelperImpl>(*frame)); |
| init.use_counter = |
| MakeGarbageCollected<DetachableUseCounter>(frame->DomWindow()); |
| init.console_logger = MakeGarbageCollected<DetachableConsoleLogger>( |
| document.GetExecutionContext()); |
| // Frame loading should normally start with |kTight| throttling, as the |
| // frame will be in layout-blocking state until the <body> tag is inserted |
| init.initial_throttling_policy = |
| ResourceLoadScheduler::ThrottlingPolicy::kTight; |
| init.frame_or_worker_scheduler = frame->GetFrameScheduler(); |
| init.archive = loader.Archive(); |
| init.loading_behavior_observer = frame_fetch_context; |
| ResourceFetcher* fetcher = MakeGarbageCollected<ResourceFetcher>(init); |
| fetcher->SetResourceLoadObserver( |
| MakeGarbageCollected<ResourceLoadObserverForFrame>( |
| loader, document, fetcher->GetProperties())); |
| fetcher->SetImagesEnabled(frame->GetSettings()->GetImagesEnabled()); |
| fetcher->SetAutoLoadImages( |
| frame->GetSettings()->GetLoadsImagesAutomatically()); |
| fetcher->SetEarlyHintsPreloadedResources( |
| loader.GetEarlyHintsPreloadedResources()); |
| return fetcher; |
| } |
| |
| FrameFetchContext::FrameFetchContext( |
| DocumentLoader& document_loader, |
| Document& document, |
| const DetachableResourceFetcherProperties& properties) |
| : BaseFetchContext(properties, |
| MakeGarbageCollected<DetachableConsoleLogger>( |
| document.GetExecutionContext())), |
| document_loader_(document_loader), |
| document_(document) {} |
| |
| net::SiteForCookies FrameFetchContext::GetSiteForCookies() const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return frozen_state_->site_for_cookies; |
| return document_->SiteForCookies(); |
| } |
| |
| scoped_refptr<const SecurityOrigin> FrameFetchContext::GetTopFrameOrigin() |
| const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return frozen_state_->top_frame_origin; |
| return document_->TopFrameOrigin(); |
| } |
| |
| SubresourceFilter* FrameFetchContext::GetSubresourceFilter() const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return nullptr; |
| return document_loader_->GetSubresourceFilter(); |
| } |
| |
| LocalFrame* FrameFetchContext::GetFrame() const { |
| return document_->GetFrame(); |
| } |
| |
| LocalFrameClient* FrameFetchContext::GetLocalFrameClient() const { |
| return GetFrame()->Client(); |
| } |
| |
| // TODO(toyoshim, arthursonzogni): PlzNavigate doesn't use this function to set |
| // the ResourceRequest's cache policy. The cache policy determination needs to |
| // be factored out from FrameFetchContext and moved to the FrameLoader for |
| // instance. |
| mojom::FetchCacheMode FrameFetchContext::ResourceRequestCachePolicy( |
| const ResourceRequest& request, |
| ResourceType type, |
| FetchParameters::DeferOption defer) const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return mojom::FetchCacheMode::kDefault; |
| |
| DCHECK(GetFrame()); |
| const auto cache_mode = DetermineFrameCacheMode(GetFrame()); |
| |
| // TODO(toyoshim): Revisit to consider if this clause can be merged to |
| // determineWebCachePolicy or determineFrameCacheMode. |
| if (cache_mode == mojom::FetchCacheMode::kDefault && |
| request.IsConditional()) { |
| return mojom::FetchCacheMode::kValidateCache; |
| } |
| return cache_mode; |
| } |
| |
| void FrameFetchContext::PrepareRequest( |
| ResourceRequest& request, |
| ResourceLoaderOptions& options, |
| WebScopedVirtualTimePauser& virtual_time_pauser, |
| ResourceType resource_type) { |
| // TODO(yhirano): Clarify which statements are actually needed when |
| // this is called during redirect. |
| const bool for_redirect = request.GetRedirectInfo().has_value(); |
| |
| SetFirstPartyCookie(request); |
| if (request.GetRequestContext() == |
| mojom::blink::RequestContextType::SERVICE_WORKER) { |
| // The top frame origin is defined to be null for service worker main |
| // resource requests. |
| DCHECK(!request.TopFrameOrigin()); |
| } else { |
| request.SetTopFrameOrigin(GetTopFrameOrigin()); |
| } |
| |
| request.SetHTTPUserAgent(AtomicString(GetUserAgent())); |
| |
| if (GetResourceFetcherProperties().IsDetached()) |
| return; |
| |
| request.SetUkmSourceId(document_->UkmSourceID()); |
| request.SetHasStorageAccess( |
| document_->GetExecutionContext()->HasStorageAccess()); |
| |
| if (document_loader_->ForceFetchCacheMode()) |
| request.SetCacheMode(*document_loader_->ForceFetchCacheMode()); |
| |
| if (const AttributionSrcLoader* attribution_src_loader = |
| GetFrame()->GetAttributionSrcLoader()) { |
| request.SetAttributionReportingSupport( |
| attribution_src_loader->GetSupport()); |
| request.SetAttributionReportingRuntimeFeatures( |
| attribution_src_loader->GetRuntimeFeatures()); |
| } |
| |
| // If the original request included the attribute to opt-in to shared storage, |
| // then update eligibility for the current (possibly redirected) request. Note |
| // that if the original request didn't opt-in, then the original request and |
| // any subsequent redirects are ineligible for shared storage writing by |
| // response header. |
| if (request.GetSharedStorageWritableOptedIn()) { |
| auto* policy = GetPermissionsPolicy(); |
| request.SetSharedStorageWritableEligible( |
| policy && |
| request.IsFeatureEnabledForSubresourceRequestAssumingOptIn( |
| policy, mojom::blink::PermissionsPolicyFeature::kSharedStorage, |
| SecurityOrigin::Create(request.Url())->ToUrlOrigin())); |
| } |
| |
| request.SetSharedDictionaryWriterEnabled( |
| RuntimeEnabledFeatures::CompressionDictionaryTransportEnabled( |
| GetExecutionContext())); |
| |
| GetLocalFrameClient()->DispatchWillSendRequest(request); |
| FrameScheduler* frame_scheduler = GetFrame()->GetFrameScheduler(); |
| if (!for_redirect && frame_scheduler) { |
| virtual_time_pauser = frame_scheduler->CreateWebScopedVirtualTimePauser( |
| request.Url().GetString(), |
| WebScopedVirtualTimePauser::VirtualTaskDuration::kNonInstant); |
| } |
| |
| probe::PrepareRequest(Probe(), document_loader_, request, options, |
| resource_type); |
| |
| // ServiceWorker hook ups. |
| if (document_loader_->GetServiceWorkerNetworkProvider()) { |
| WrappedResourceRequest webreq(request); |
| document_loader_->GetServiceWorkerNetworkProvider()->WillSendRequest( |
| webreq); |
| } |
| } |
| |
| void FrameFetchContext::AddResourceTiming( |
| mojom::blink::ResourceTimingInfoPtr info, |
| const AtomicString& initiator_type) { |
| // Normally, |document_| is cleared on Document shutdown. In that case, |
| // early return, as there is nothing to report the resource timing to. |
| if (GetResourceFetcherProperties().IsDetached()) |
| return; |
| |
| // Timing for main resource is handled in DocumentLoader. |
| // All other resources are reported to the corresponding Document. |
| DOMWindowPerformance::performance(*document_->domWindow()) |
| ->AddResourceTiming(std::move(info), initiator_type); |
| } |
| |
| bool FrameFetchContext::AllowImage(bool images_enabled, const KURL& url) const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return true; |
| if (auto* settings_client = GetContentSettingsClient()) |
| images_enabled = settings_client->AllowImage(images_enabled, url); |
| return images_enabled; |
| } |
| |
| void FrameFetchContext::ModifyRequestForCSP(ResourceRequest& resource_request) { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return; |
| |
| GetFrame()->Loader().ModifyRequestForCSP( |
| resource_request, |
| &GetResourceFetcherProperties().GetFetchClientSettingsObject(), |
| document_->domWindow(), mojom::blink::RequestContextFrameType::kNone); |
| } |
| |
| void FrameFetchContext::AddClientHintsIfNecessary( |
| const absl::optional<float> resource_width, |
| ResourceRequest& request) { |
| // If the feature is enabled, then client hints are allowed only on secure |
| // URLs. |
| if (!ClientHintsPreferences::IsClientHintsAllowed(request.Url())) |
| return; |
| |
| // Check if |url| is allowed to run JavaScript. If not, client hints are not |
| // attached to the requests that initiate on the render side. |
| if (!AllowScriptFromSourceWithoutNotifying( |
| request.Url(), GetContentSettingsClient(), GetSettings())) { |
| return; |
| } |
| |
| // The Permissions policy is used to enable hints for all subresources, based |
| // on the policy of the requesting document, and the origin of the resource. |
| const PermissionsPolicy* policy = |
| document_ |
| ? document_->domWindow()->GetSecurityContext().GetPermissionsPolicy() |
| : nullptr; |
| |
| url::Origin resource_origin = |
| SecurityOrigin::Create(request.Url())->ToUrlOrigin(); |
| bool is_1p_origin = IsFirstPartyOrigin(request.Url()); |
| |
| absl::optional<UserAgentMetadata> ua = GetUserAgentMetadata(); |
| |
| absl::optional<ClientHintImageInfo> image_info; |
| absl::optional<WTF::AtomicString> prefers_color_scheme; |
| absl::optional<WTF::AtomicString> prefers_reduced_motion; |
| absl::optional<WTF::AtomicString> prefers_reduced_transparency; |
| |
| if (document_) { // Only get frame info if the frame is not detached |
| image_info = ClientHintImageInfo(); |
| image_info->dpr = GetDevicePixelRatio(); |
| image_info->resource_width = resource_width; |
| if (!GetResourceFetcherProperties().IsDetached() && GetFrame()->View()) { |
| image_info->viewport_width = GetFrame()->View()->ViewportWidth(); |
| image_info->viewport_height = GetFrame()->View()->ViewportHeight(); |
| } |
| |
| prefers_color_scheme = AtomicString( |
| document_->InDarkMode() ? network::kPrefersColorSchemeDark |
| : network::kPrefersColorSchemeLight); |
| prefers_reduced_motion = |
| AtomicString(GetSettings()->GetPrefersReducedMotion() |
| ? network::kPrefersReducedMotionReduce |
| : network::kPrefersReducedMotionNoPreference); |
| prefers_reduced_transparency = |
| AtomicString(GetSettings()->GetPrefersReducedTransparency() |
| ? network::kPrefersReducedTransparencyReduce |
| : network::kPrefersReducedTransparencyNoPreference); |
| } |
| |
| // GetClientHintsPreferences() has things parsed for this document |
| // by browser (from accept-ch header on this response or previously persisted) |
| // with renderer-parsed http-equiv merged in. |
| BaseFetchContext::AddClientHintsIfNecessary( |
| GetClientHintsPreferences(), resource_origin, is_1p_origin, ua, policy, |
| image_info, prefers_color_scheme, prefers_reduced_motion, |
| prefers_reduced_transparency, request); |
| } |
| |
| void FrameFetchContext::AddReducedAcceptLanguageIfNecessary( |
| ResourceRequest& request) { |
| // If the feature is enabled, then reduce accept language are allowed only on |
| // http and https. |
| |
| // For detached frame, we check whether the feature flag turns on because it |
| // will crash when detach frame calls GetExecutionContext(). |
| if (GetResourceFetcherProperties().IsDetached() && |
| !base::FeatureList::IsEnabled(network::features::kReduceAcceptLanguage)) { |
| return; |
| } |
| |
| if (!GetResourceFetcherProperties().IsDetached() && |
| !RuntimeEnabledFeatures::ReduceAcceptLanguageEnabled( |
| GetExecutionContext())) { |
| return; |
| } |
| |
| if (!request.Url().ProtocolIsInHTTPFamily()) |
| return; |
| |
| const String& reduced_accept_language = GetReducedAcceptLanguage(); |
| if (!reduced_accept_language.empty() && |
| request.HttpHeaderField(http_names::kAcceptLanguage).empty()) { |
| request.SetHttpHeaderField( |
| http_names::kAcceptLanguage, |
| AtomicString(reduced_accept_language.Ascii().c_str())); |
| } |
| } |
| |
| void FrameFetchContext::PopulateResourceRequest( |
| ResourceType type, |
| const absl::optional<float> resource_width, |
| ResourceRequest& request, |
| const ResourceLoaderOptions& options) { |
| if (!GetResourceFetcherProperties().IsDetached()) |
| probe::SetDevToolsIds(Probe(), request, options.initiator_info); |
| |
| ModifyRequestForCSP(request); |
| AddClientHintsIfNecessary(resource_width, request); |
| AddReducedAcceptLanguageIfNecessary(request); |
| } |
| |
| bool FrameFetchContext::IsPrerendering() const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return frozen_state_->is_prerendering; |
| return document_->IsPrerendering(); |
| } |
| |
| bool FrameFetchContext::DoesLCPPHaveAnyHintData() { |
| if (GetResourceFetcherProperties().IsDetached()) { |
| return false; |
| } |
| |
| LCPCriticalPathPredictor* lcpp = GetFrame()->GetLCPP(); |
| if (!lcpp) { |
| return false; |
| } |
| return lcpp->HasAnyHintData(); |
| } |
| |
| void FrameFetchContext::SetFirstPartyCookie(ResourceRequest& request) { |
| // Set the first party for cookies url if it has not been set yet (new |
| // requests). This value will be updated during redirects, consistent with |
| // https://tools.ietf.org/html/draft-ietf-httpbis-cookie-same-site-00#section-2.1.1? |
| if (!request.SiteForCookiesSet()) |
| request.SetSiteForCookies(GetSiteForCookies()); |
| } |
| |
| bool FrameFetchContext::AllowScriptFromSource(const KURL& url) const { |
| if (AllowScriptFromSourceWithoutNotifying(url, GetContentSettingsClient(), |
| GetSettings())) { |
| return true; |
| } |
| WebContentSettingsClient* settings_client = GetContentSettingsClient(); |
| if (settings_client) |
| settings_client->DidNotAllowScript(); |
| return false; |
| } |
| |
| // static |
| bool FrameFetchContext::AllowScriptFromSourceWithoutNotifying( |
| const KURL& url, |
| WebContentSettingsClient* settings_client, |
| Settings* settings) { |
| bool allow_script = !settings || settings->GetScriptEnabled(); |
| if (settings_client) |
| allow_script = settings_client->AllowScriptFromSource(allow_script, url); |
| return allow_script; |
| } |
| |
| bool FrameFetchContext::IsFirstPartyOrigin(const KURL& url) const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return false; |
| |
| return GetFrame() |
| ->Tree() |
| .Top() |
| .GetSecurityContext() |
| ->GetSecurityOrigin() |
| ->IsSameOriginWith(SecurityOrigin::Create(url).get()); |
| } |
| |
| bool FrameFetchContext::ShouldBlockRequestByInspector(const KURL& url) const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return false; |
| bool should_block_request = false; |
| probe::ShouldBlockRequest(Probe(), url, &should_block_request); |
| return should_block_request; |
| } |
| |
| void FrameFetchContext::DispatchDidBlockRequest( |
| const ResourceRequest& resource_request, |
| const ResourceLoaderOptions& options, |
| ResourceRequestBlockedReason blocked_reason, |
| ResourceType resource_type) const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return; |
| probe::DidBlockRequest(Probe(), resource_request, document_loader_, Url(), |
| options, blocked_reason, resource_type); |
| } |
| |
| ContentSecurityPolicy* FrameFetchContext::GetContentSecurityPolicyForWorld( |
| const DOMWrapperWorld* world) const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return frozen_state_->content_security_policy.Get(); |
| |
| return document_->GetExecutionContext()->GetContentSecurityPolicyForWorld( |
| world); |
| } |
| |
| bool FrameFetchContext::IsSVGImageChromeClient() const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return frozen_state_->is_svg_image_chrome_client; |
| |
| return GetFrame()->GetChromeClient().IsSVGImageChromeClient(); |
| } |
| |
| void FrameFetchContext::CountUsage(WebFeature feature) const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return; |
| document_loader_->GetUseCounter().Count(feature, GetFrame()); |
| } |
| |
| void FrameFetchContext::CountDeprecation(WebFeature feature) const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return; |
| Deprecation::CountDeprecation(document_->domWindow(), feature); |
| } |
| |
| bool FrameFetchContext::ShouldBlockWebSocketByMixedContentCheck( |
| const KURL& url) const { |
| if (GetResourceFetcherProperties().IsDetached()) { |
| // TODO(yhirano): Implement the detached case. |
| return false; |
| } |
| return !MixedContentChecker::IsWebSocketAllowed(*this, GetFrame(), url); |
| } |
| |
| std::unique_ptr<WebSocketHandshakeThrottle> |
| FrameFetchContext::CreateWebSocketHandshakeThrottle() { |
| if (GetResourceFetcherProperties().IsDetached()) { |
| // TODO(yhirano): Implement the detached case. |
| return nullptr; |
| } |
| if (!GetFrame()) |
| return nullptr; |
| return WebFrame::FromCoreFrame(GetFrame()) |
| ->ToWebLocalFrame() |
| ->Client() |
| ->CreateWebSocketHandshakeThrottle(); |
| } |
| |
| bool FrameFetchContext::ShouldBlockFetchByMixedContentCheck( |
| mojom::blink::RequestContextType request_context, |
| network::mojom::blink::IPAddressSpace target_address_space, |
| base::optional_ref<const ResourceRequest::RedirectInfo> redirect_info, |
| const KURL& url, |
| ReportingDisposition reporting_disposition, |
| const String& devtools_id) const { |
| if (GetResourceFetcherProperties().IsDetached()) { |
| // TODO(yhirano): Implement the detached case. |
| return false; |
| } |
| const KURL& url_before_redirects = |
| redirect_info.has_value() ? redirect_info->original_url : url; |
| ResourceRequest::RedirectStatus redirect_status = |
| redirect_info.has_value() ? RedirectStatus::kFollowedRedirect |
| : RedirectStatus::kNoRedirect; |
| return MixedContentChecker::ShouldBlockFetch( |
| GetFrame(), request_context, target_address_space, url_before_redirects, |
| redirect_status, url, devtools_id, reporting_disposition, |
| document_loader_->GetContentSecurityNotifier()); |
| } |
| |
| bool FrameFetchContext::ShouldBlockFetchAsCredentialedSubresource( |
| const ResourceRequest& resource_request, |
| const KURL& url) const { |
| // URLs with no embedded credentials should load correctly. |
| if (url.User().empty() && url.Pass().empty()) |
| return false; |
| |
| if (resource_request.GetRequestContext() == |
| mojom::blink::RequestContextType::XML_HTTP_REQUEST) { |
| return false; |
| } |
| |
| // Relative URLs on top-level pages that were loaded with embedded credentials |
| // should load correctly. |
| // TODO(mkwst): This doesn't work when the subresource is an iframe. |
| // See https://crbug.com/756846. |
| if (Url().User() == url.User() && Url().Pass() == url.Pass() && |
| SecurityOrigin::Create(url)->IsSameOriginWith( |
| GetResourceFetcherProperties() |
| .GetFetchClientSettingsObject() |
| .GetSecurityOrigin())) { |
| return false; |
| } |
| |
| CountDeprecation(WebFeature::kRequestedSubresourceWithEmbeddedCredentials); |
| |
| return true; |
| } |
| |
| const KURL& FrameFetchContext::Url() const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return frozen_state_->url; |
| return document_->Url(); |
| } |
| |
| ContentSecurityPolicy* FrameFetchContext::GetContentSecurityPolicy() const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return frozen_state_->content_security_policy.Get(); |
| return document_->domWindow()->GetContentSecurityPolicy(); |
| } |
| |
| WebContentSettingsClient* FrameFetchContext::GetContentSettingsClient() const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return nullptr; |
| return GetFrame()->GetContentSettingsClient(); |
| } |
| |
| Settings* FrameFetchContext::GetSettings() const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return nullptr; |
| DCHECK(GetFrame()); |
| return GetFrame()->GetSettings(); |
| } |
| |
| String FrameFetchContext::GetUserAgent() const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return frozen_state_->user_agent; |
| return GetFrame()->Loader().UserAgent(); |
| } |
| |
| absl::optional<UserAgentMetadata> FrameFetchContext::GetUserAgentMetadata() |
| const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return frozen_state_->user_agent_metadata; |
| return GetLocalFrameClient()->UserAgentMetadata(); |
| } |
| |
| const PermissionsPolicy* FrameFetchContext::GetPermissionsPolicy() const { |
| return document_ ? document_->domWindow() |
| ->GetSecurityContext() |
| .GetPermissionsPolicy() |
| : nullptr; |
| } |
| |
| const ClientHintsPreferences FrameFetchContext::GetClientHintsPreferences() |
| const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return frozen_state_->client_hints_preferences; |
| LocalFrame* frame = document_->GetFrame(); |
| DCHECK(frame); |
| return frame->GetClientHintsPreferences(); |
| } |
| |
| String FrameFetchContext::GetReducedAcceptLanguage() const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return frozen_state_->reduced_accept_language; |
| LocalFrame* frame = document_->GetFrame(); |
| DCHECK(frame); |
| // If accept language override from inspector emulation, set Accept-Language |
| // header as the overridden value. |
| String override_accept_language; |
| probe::ApplyAcceptLanguageOverride(Probe(), &override_accept_language); |
| return override_accept_language.empty() |
| ? frame->GetReducedAcceptLanguage().GetString() |
| : network_utils::GenerateAcceptLanguageHeader( |
| override_accept_language); |
| } |
| |
| float FrameFetchContext::GetDevicePixelRatio() const { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return frozen_state_->device_pixel_ratio; |
| return document_->DevicePixelRatio(); |
| } |
| |
| FetchContext* FrameFetchContext::Detach() { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return this; |
| |
| // As we completed the reduction in the user-agent, the reduced User-Agent |
| // string returns from GetUserAgent() should also be set on the User-Agent |
| // request header. |
| const ClientHintsPreferences& client_hints_prefs = |
| GetClientHintsPreferences(); |
| frozen_state_ = MakeGarbageCollected<FrozenState>( |
| Url(), GetContentSecurityPolicy(), GetSiteForCookies(), |
| GetTopFrameOrigin(), client_hints_prefs, GetDevicePixelRatio(), |
| GetUserAgent(), GetUserAgentMetadata(), IsSVGImageChromeClient(), |
| IsPrerendering(), GetReducedAcceptLanguage()); |
| document_loader_ = nullptr; |
| document_ = nullptr; |
| return this; |
| } |
| |
| void FrameFetchContext::Trace(Visitor* visitor) const { |
| visitor->Trace(document_loader_); |
| visitor->Trace(document_); |
| visitor->Trace(frozen_state_); |
| BaseFetchContext::Trace(visitor); |
| } |
| |
| bool FrameFetchContext::CalculateIfAdSubresource( |
| const ResourceRequestHead& resource_request, |
| base::optional_ref<const KURL> alias_url, |
| ResourceType type, |
| const FetchInitiatorInfo& initiator_info) { |
| // Mark the resource as an Ad if the BaseFetchContext thinks it's an ad. |
| bool known_ad = BaseFetchContext::CalculateIfAdSubresource( |
| resource_request, alias_url, type, initiator_info); |
| if (GetResourceFetcherProperties().IsDetached() || |
| !GetFrame()->GetAdTracker()) { |
| return known_ad; |
| } |
| |
| // The AdTracker needs to know about the request as well, and may also mark it |
| // as an ad. |
| const KURL& url = |
| alias_url.has_value() ? alias_url.value() : resource_request.Url(); |
| return GetFrame()->GetAdTracker()->CalculateIfAdSubresource( |
| document_->domWindow(), url, type, initiator_info, known_ad); |
| } |
| |
| void FrameFetchContext::DidObserveLoadingBehavior( |
| LoadingBehaviorFlag behavior) { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return; |
| GetFrame()->Loader().GetDocumentLoader()->DidObserveLoadingBehavior(behavior); |
| } |
| |
| std::unique_ptr<ResourceLoadInfoNotifierWrapper> |
| FrameFetchContext::CreateResourceLoadInfoNotifierWrapper() { |
| if (GetResourceFetcherProperties().IsDetached()) |
| return nullptr; |
| return GetLocalFrameClient()->CreateResourceLoadInfoNotifierWrapper(); |
| } |
| |
| mojom::blink::ContentSecurityNotifier& |
| FrameFetchContext::GetContentSecurityNotifier() const { |
| DCHECK(!GetResourceFetcherProperties().IsDetached()); |
| return document_loader_->GetContentSecurityNotifier(); |
| } |
| |
| ExecutionContext* FrameFetchContext::GetExecutionContext() const { |
| return document_->GetExecutionContext(); |
| } |
| |
| absl::optional<ResourceRequestBlockedReason> FrameFetchContext::CanRequest( |
| ResourceType type, |
| const ResourceRequest& resource_request, |
| const KURL& url, |
| const ResourceLoaderOptions& options, |
| ReportingDisposition reporting_disposition, |
| base::optional_ref<const ResourceRequest::RedirectInfo> redirect_info) |
| const { |
| if (!GetResourceFetcherProperties().IsDetached() && |
| document_->IsFreezingInProgress() && !resource_request.GetKeepalive()) { |
| GetDetachableConsoleLogger().AddConsoleMessage( |
| MakeGarbageCollected<ConsoleMessage>( |
| mojom::ConsoleMessageSource::kJavaScript, |
| mojom::ConsoleMessageLevel::kError, |
| "Only fetch keepalive is allowed during onfreeze: " + |
| url.GetString())); |
| return ResourceRequestBlockedReason::kOther; |
| } |
| return BaseFetchContext::CanRequest(type, resource_request, url, options, |
| reporting_disposition, redirect_info); |
| } |
| |
| CoreProbeSink* FrameFetchContext::Probe() const { |
| return probe::ToCoreProbeSink(GetFrame()->GetDocument()); |
| } |
| |
| void FrameFetchContext::UpdateSubresourceLoadMetrics( |
| const SubresourceLoadMetrics& subresource_load_metrics) { |
| document_loader_->UpdateSubresourceLoadMetrics(subresource_load_metrics); |
| } |
| |
| } // namespace blink |