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/*
* 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,
n * 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_FRAME_FETCH_CONTEXT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_FRAME_FETCH_CONTEXT_H_
#include "base/optional.h"
#include "base/single_thread_task_runner.h"
#include "services/network/public/mojom/web_client_hints_types.mojom-blink-forward.h"
#include "third_party/blink/public/common/user_agent/user_agent_metadata.h"
#include "third_party/blink/public/mojom/service_worker/service_worker_object.mojom-blink-forward.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/loader/base_fetch_context.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/loader/fetch/client_hints_preferences.h"
#include "third_party/blink/renderer/platform/loader/fetch/fetch_parameters.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_fetcher.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_request.h"
#include "third_party/blink/renderer/platform/network/content_security_policy_parsers.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
namespace blink {
class ClientHintsPreferences;
class ContentSecurityPolicy;
class CoreProbeSink;
class Document;
class DocumentLoader;
class LocalFrame;
class LocalFrameClient;
class Settings;
class WebContentSettingsClient;
class CORE_EXPORT FrameFetchContext final : public BaseFetchContext {
public:
static ResourceFetcher* CreateFetcherForCommittedDocument(DocumentLoader&,
Document&);
FrameFetchContext(DocumentLoader& document_loader,
Document& document,
const DetachableResourceFetcherProperties&);
~FrameFetchContext() override = default;
void AddAdditionalRequestHeaders(ResourceRequest&) override;
base::Optional<ResourceRequestBlockedReason> CanRequest(
ResourceType type,
const ResourceRequest& resource_request,
const KURL& url,
const ResourceLoaderOptions& options,
ReportingDisposition reporting_disposition,
const base::Optional<ResourceRequest::RedirectInfo>& redirect_info)
const override;
mojom::FetchCacheMode ResourceRequestCachePolicy(
const ResourceRequest&,
ResourceType,
FetchParameters::DeferOption) const override;
void PrepareRequest(ResourceRequest&,
const FetchInitiatorInfo&,
WebScopedVirtualTimePauser&,
ResourceType) override;
void AddResourceTiming(const ResourceTimingInfo&) override;
bool AllowImage(bool images_enabled, const KURL&) const override;
void PopulateResourceRequest(ResourceType,
const ClientHintsPreferences&,
const FetchParameters::ResourceWidth&,
ResourceRequest&,
const FetchInitiatorInfo&) override;
// Exposed for testing.
void ModifyRequestForCSP(ResourceRequest&);
void AddClientHintsIfNecessary(const ClientHintsPreferences&,
const FetchParameters::ResourceWidth&,
ResourceRequest&);
FetchContext* Detach() override;
void Trace(Visitor*) const override;
bool CalculateIfAdSubresource(
const ResourceRequest& resource_request,
ResourceType type,
const FetchInitiatorInfo& initiator_info) override;
bool SendConversionRequestInsteadOfRedirecting(
const KURL& url,
const base::Optional<ResourceRequest::RedirectInfo>& redirect_info,
ReportingDisposition reporting_disposition) const override;
mojo::PendingReceiver<mojom::blink::WorkerTimingContainer>
TakePendingWorkerTimingReceiver(int request_id) override;
private:
friend class FrameFetchContextTest;
struct FrozenState;
// Convenient accessors below can be used to transparently access the
// relevant document loader or frame in either cases without null-checks.
//
// TODO(kinuko): Remove constness, these return non-const members.
LocalFrame* GetFrame() const;
LocalFrameClient* GetLocalFrameClient() const;
// BaseFetchContext overrides:
net::SiteForCookies GetSiteForCookies() const override;
scoped_refptr<const SecurityOrigin> GetTopFrameOrigin() const override;
SubresourceFilter* GetSubresourceFilter() const override;
PreviewsResourceLoadingHints* GetPreviewsResourceLoadingHints()
const override;
WebURLRequest::PreviewsState previews_state() const override;
bool AllowScriptFromSource(const KURL&) const override;
bool ShouldBlockRequestByInspector(const KURL&) const override;
void DispatchDidBlockRequest(const ResourceRequest&,
const FetchInitiatorInfo&,
ResourceRequestBlockedReason,
ResourceType) const override;
bool ShouldBypassMainWorldCSP() const override;
bool IsSVGImageChromeClient() const override;
void CountUsage(WebFeature) const override;
void CountDeprecation(WebFeature) const override;
bool ShouldBlockWebSocketByMixedContentCheck(const KURL&) const override;
std::unique_ptr<WebSocketHandshakeThrottle> CreateWebSocketHandshakeThrottle()
override;
bool ShouldBlockFetchByMixedContentCheck(
mojom::blink::RequestContextType request_context,
const base::Optional<ResourceRequest::RedirectInfo>& redirect_info,
const KURL& url,
ReportingDisposition reporting_disposition,
const base::Optional<String>& devtools_id) const override;
bool ShouldBlockFetchAsCredentialedSubresource(const ResourceRequest&,
const KURL&) const override;
const KURL& Url() const override;
const SecurityOrigin* GetParentSecurityOrigin() const override;
const ContentSecurityPolicy* GetContentSecurityPolicy() const override;
void AddConsoleMessage(ConsoleMessage*) const override;
WebContentSettingsClient* GetContentSettingsClient() const;
Settings* GetSettings() const;
String GetUserAgent() const;
base::Optional<UserAgentMetadata> GetUserAgentMetadata() const;
const FeaturePolicy* GetFeaturePolicy() const override;
const ClientHintsPreferences GetClientHintsPreferences() const;
float GetDevicePixelRatio() const;
enum class ClientHintsMode { kLegacy, kStandard };
bool ShouldSendClientHint(ClientHintsMode mode,
const FeaturePolicy*,
const url::Origin& resource_origin,
bool is_1p_origin,
network::mojom::blink::WebClientHintsType,
const ClientHintsPreferences&,
const WebEnabledClientHints&) const;
void SetFirstPartyCookie(ResourceRequest&);
// Returns true if execution of scripts from the url are allowed. Compared to
// AllowScriptFromSource(), this method does not generate any
// notification to the |WebContentSettingsClient| that the execution of the
// script was blocked. This method should be called only when there is a need
// to check the settings, and where blocked setting doesn't really imply that
// JavaScript was blocked from being executed.
bool AllowScriptFromSourceWithoutNotifying(const KURL&) const;
// Returns true if the origin of |url| is same as the origin of the top level
// frame's main resource.
bool IsFirstPartyOrigin(const KURL& url) const;
CoreProbeSink* Probe() const;
// These are set on the constructor, and valid until Detach() is called.
Member<DocumentLoader> document_loader_;
Member<Document> document_;
// The value of |save_data_enabled_| is read once per frame from
// NetworkStateNotifier, which is guarded by a mutex lock, and cached locally
// here for performance.
const bool save_data_enabled_;
// Non-null only when detached.
Member<const FrozenState> frozen_state_;
};
} // namespace blink
#endif
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