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/*
* Copyright (C) 2009, 2012 Google Inc. All rights reserved.
* Copyright (C) 2016 Apple 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.
*/
#pragma once
#include "ContentSecurityPolicy.h"
#include "CrossOriginPreflightChecker.h"
#include "ResourceLoaderIdentifier.h"
#include "ResourceResponse.h"
#include "SecurityOrigin.h"
#include "ThreadableLoader.h"
#include <wtf/WeakPtr.h>
namespace WebCore {
class CachedRawResource;
class ContentSecurityPolicy;
class Document;
class ThreadableLoaderClient;
class DocumentThreadableLoader : public RefCounted<DocumentThreadableLoader>, public ThreadableLoader, public CachedRawResourceClient {
WTF_MAKE_FAST_ALLOCATED;
public:
static void loadResourceSynchronously(Document&, ResourceRequest&&, ThreadableLoaderClient&, const ThreadableLoaderOptions&, RefPtr<SecurityOrigin>&&, std::unique_ptr<ContentSecurityPolicy>&&, std::optional<CrossOriginEmbedderPolicy>&&);
static void loadResourceSynchronously(Document&, ResourceRequest&&, ThreadableLoaderClient&, const ThreadableLoaderOptions&);
enum class ShouldLogError : bool { No, Yes };
static RefPtr<DocumentThreadableLoader> create(Document&, ThreadableLoaderClient&, ResourceRequest&&, const ThreadableLoaderOptions&, RefPtr<SecurityOrigin>&&, std::unique_ptr<ContentSecurityPolicy>&&, std::optional<CrossOriginEmbedderPolicy>&&, String&& referrer, ShouldLogError);
static RefPtr<DocumentThreadableLoader> create(Document&, ThreadableLoaderClient&, ResourceRequest&&, const ThreadableLoaderOptions&, String&& referrer = String());
virtual ~DocumentThreadableLoader();
void cancel() override;
virtual void setDefersLoading(bool);
void computeIsDone() final;
void clearClient() { m_client = nullptr; }
friend CrossOriginPreflightChecker;
friend class InspectorInstrumentation;
friend class InspectorNetworkAgent;
using RefCounted<DocumentThreadableLoader>::ref;
using RefCounted<DocumentThreadableLoader>::deref;
protected:
void refThreadableLoader() override { ref(); }
void derefThreadableLoader() override { deref(); }
private:
enum BlockingBehavior {
LoadSynchronously,
LoadAsynchronously
};
DocumentThreadableLoader(Document&, ThreadableLoaderClient&, BlockingBehavior, ResourceRequest&&, const ThreadableLoaderOptions&, RefPtr<SecurityOrigin>&&, std::unique_ptr<ContentSecurityPolicy>&&, std::optional<CrossOriginEmbedderPolicy>&&, String&&, ShouldLogError);
void clearResource();
// CachedRawResourceClient
void dataSent(CachedResource&, unsigned long long bytesSent, unsigned long long totalBytesToBeSent) override;
void responseReceived(CachedResource&, const ResourceResponse&, CompletionHandler<void()>&&) override;
void dataReceived(CachedResource&, const SharedBuffer&) override;
void redirectReceived(CachedResource&, ResourceRequest&&, const ResourceResponse&, CompletionHandler<void(ResourceRequest&&)>&&) override;
void finishedTimingForWorkerLoad(CachedResource&, const ResourceTiming&) override;
void finishedTimingForWorkerLoad(const ResourceTiming&);
void notifyFinished(CachedResource&, const NetworkLoadMetrics&) override;
void didReceiveResponse(ResourceLoaderIdentifier, const ResourceResponse&);
void didReceiveData(ResourceLoaderIdentifier, const SharedBuffer&);
void didFinishLoading(ResourceLoaderIdentifier, const NetworkLoadMetrics&);
void didFail(ResourceLoaderIdentifier, const ResourceError&);
void makeCrossOriginAccessRequest(ResourceRequest&&);
void makeSimpleCrossOriginAccessRequest(ResourceRequest&&);
void makeCrossOriginAccessRequestWithPreflight(ResourceRequest&&);
void preflightSuccess(ResourceRequest&&);
void preflightFailure(ResourceLoaderIdentifier, const ResourceError&);
void loadRequest(ResourceRequest&&, SecurityCheckPolicy);
bool isAllowedRedirect(const URL&);
bool isAllowedByContentSecurityPolicy(const URL&, ContentSecurityPolicy::RedirectResponseReceived, const URL& preRedirectURL = URL());
bool isResponseAllowedByContentSecurityPolicy(const ResourceResponse&);
SecurityOrigin& securityOrigin() const;
const ContentSecurityPolicy& contentSecurityPolicy() const;
const CrossOriginEmbedderPolicy& crossOriginEmbedderPolicy() const;
Document& document() { return m_document; }
const ThreadableLoaderOptions& options() const { return m_options; }
const String& referrer() const { return m_referrer; }
bool isLoading() { return m_resource || m_preflightChecker; }
void reportRedirectionWithBadScheme(const URL&);
void reportContentSecurityPolicyError(const URL&);
void reportCrossOriginResourceSharingError(const URL&);
void reportIntegrityMetadataError(const CachedResource&, const String& expectedMetadata);
void logErrorAndFail(const ResourceError&);
bool shouldSetHTTPHeadersToKeep() const;
bool checkURLSchemeAsCORSEnabled(const URL&);
CachedResourceHandle<CachedRawResource> m_resource;
ThreadableLoaderClient* m_client;
Document& m_document;
ThreadableLoaderOptions m_options;
bool m_responsesCanBeOpaque { true };
RefPtr<SecurityOrigin> m_origin;
String m_referrer;
bool m_sameOriginRequest;
bool m_simpleRequest;
bool m_async;
bool m_delayCallbacksForIntegrityCheck;
std::unique_ptr<ContentSecurityPolicy> m_contentSecurityPolicy;
std::optional<CrossOriginEmbedderPolicy> m_crossOriginEmbedderPolicy;
std::optional<CrossOriginPreflightChecker> m_preflightChecker;
std::optional<HTTPHeaderMap> m_originalHeaders;
URL m_responseURL;
ShouldLogError m_shouldLogError;
#if ENABLE(SERVICE_WORKER)
std::optional<ResourceRequest> m_bypassingPreflightForServiceWorkerRequest;
#endif
};
} // namespace WebCore
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