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/*
* Copyright (C) 2018-2019 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:
* 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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 "UserContentControllerIdentifier.h"
#include "WebPageProxyIdentifier.h"
#include <WebCore/ContentSecurityPolicyResponseHeaders.h>
#include <WebCore/CrossOriginEmbedderPolicy.h>
#include <WebCore/FetchOptions.h>
#include <WebCore/NetworkLoadInformation.h>
#include <pal/SessionID.h>
#include <variant>
#include <wtf/WeakPtr.h>
namespace WebCore {
class ContentSecurityPolicy;
class OriginAccessPatterns;
struct ContentRuleListResults;
struct ContentSecurityPolicyClient;
class ResourceError;
class SecurityOrigin;
enum class AdvancedPrivacyProtections : uint16_t;
enum class PreflightPolicy : uint8_t;
enum class StoredCredentialsPolicy : uint8_t;
}
namespace WebKit {
class NetworkCORSPreflightChecker;
class NetworkProcess;
class NetworkResourceLoader;
class NetworkSchemeRegistry;
using DocumentURL = URL;
class NetworkLoadChecker : public CanMakeWeakPtr<NetworkLoadChecker> {
WTF_MAKE_FAST_ALLOCATED;
public:
enum class LoadType : bool { MainFrame, Other };
NetworkLoadChecker(NetworkProcess&, NetworkResourceLoader*, NetworkSchemeRegistry*, WebCore::FetchOptions&&, PAL::SessionID, WebPageProxyIdentifier, WebCore::HTTPHeaderMap&&, URL&&, DocumentURL&&, RefPtr<WebCore::SecurityOrigin>&&, RefPtr<WebCore::SecurityOrigin>&& topOrigin, RefPtr<WebCore::SecurityOrigin>&& parentOrigin, WebCore::PreflightPolicy, String&& referrer, bool allowPrivacyProxy, OptionSet<WebCore::AdvancedPrivacyProtections>, bool shouldCaptureExtraNetworkLoadMetrics = false, LoadType requestLoadType = LoadType::Other);
~NetworkLoadChecker();
struct RedirectionTriplet {
WebCore::ResourceRequest request;
WebCore::ResourceRequest redirectRequest;
WebCore::ResourceResponse redirectResponse;
};
using RequestOrRedirectionTripletOrError = std::variant<WebCore::ResourceRequest, RedirectionTriplet, WebCore::ResourceError>;
using ValidationHandler = CompletionHandler<void(RequestOrRedirectionTripletOrError&&)>;
void check(WebCore::ResourceRequest&&, WebCore::ContentSecurityPolicyClient*, ValidationHandler&&);
using RedirectionRequestOrError = Expected<RedirectionTriplet, WebCore::ResourceError>;
using RedirectionValidationHandler = CompletionHandler<void(RedirectionRequestOrError&&)>;
void checkRedirection(WebCore::ResourceRequest&& request, WebCore::ResourceRequest&& redirectRequest, WebCore::ResourceResponse&& redirectResponse, WebCore::ContentSecurityPolicyClient*, RedirectionValidationHandler&&);
WebCore::ResourceError validateResponse(const WebCore::ResourceRequest&, WebCore::ResourceResponse&);
void setCSPResponseHeaders(WebCore::ContentSecurityPolicyResponseHeaders&& headers) { m_cspResponseHeaders = WTFMove(headers); }
void setParentCrossOriginEmbedderPolicy(const WebCore::CrossOriginEmbedderPolicy& parentCrossOriginEmbedderPolicy) { m_parentCrossOriginEmbedderPolicy = parentCrossOriginEmbedderPolicy; }
void setCrossOriginEmbedderPolicy(const WebCore::CrossOriginEmbedderPolicy& crossOriginEmbedderPolicy) { m_crossOriginEmbedderPolicy = crossOriginEmbedderPolicy; }
#if ENABLE(CONTENT_EXTENSIONS)
void setContentExtensionController(URL&& mainDocumentURL, URL&& frameURL, std::optional<UserContentControllerIdentifier> identifier)
{
m_mainDocumentURL = WTFMove(mainDocumentURL);
m_frameURL = WTFMove(frameURL);
m_userContentControllerIdentifier = identifier;
}
#endif
NetworkProcess& networkProcess() { return m_networkProcess; }
const URL& url() const { return m_url; }
WebCore::StoredCredentialsPolicy storedCredentialsPolicy() const { return m_storedCredentialsPolicy; }
WebCore::NetworkLoadInformation takeNetworkLoadInformation() { return WTFMove(m_loadInformation); }
void storeRedirectionIfNeeded(const WebCore::ResourceRequest&, const WebCore::ResourceResponse&);
void enableContentExtensionsCheck() { m_checkContentExtensions = true; }
RefPtr<WebCore::SecurityOrigin> origin() const { return m_origin; }
RefPtr<WebCore::SecurityOrigin> topOrigin() const { return m_topOrigin; }
const WebCore::FetchOptions& options() const { return m_options; }
private:
WebCore::ContentSecurityPolicy* contentSecurityPolicy();
const WebCore::OriginAccessPatterns& originAccessPatterns() const;
bool isSameOrigin(const URL&, const WebCore::SecurityOrigin*) const;
bool isChecking() const { return !!m_corsPreflightChecker; }
bool isRedirected() const { return m_redirectCount; }
void checkRequest(WebCore::ResourceRequest&&, WebCore::ContentSecurityPolicyClient*, ValidationHandler&&);
bool isAllowedByContentSecurityPolicy(const WebCore::ResourceRequest&, WebCore::ContentSecurityPolicyClient*);
void continueCheckingRequest(WebCore::ResourceRequest&&, ValidationHandler&&);
void continueCheckingRequestOrDoSyntheticRedirect(WebCore::ResourceRequest&& originalRequest, WebCore::ResourceRequest&& currentRequest, ValidationHandler&&);
bool doesNotNeedCORSCheck(const URL&) const;
void checkCORSRequest(WebCore::ResourceRequest&&, ValidationHandler&&);
void checkCORSRedirectedRequest(WebCore::ResourceRequest&&, ValidationHandler&&);
void checkCORSRequestWithPreflight(WebCore::ResourceRequest&&, ValidationHandler&&);
RequestOrRedirectionTripletOrError accessControlErrorForValidationHandler(String&&);
#if ENABLE(CONTENT_EXTENSIONS)
struct ContentExtensionResult {
WebCore::ResourceRequest request;
const WebCore::ContentRuleListResults& results;
};
using ContentExtensionResultOrError = Expected<ContentExtensionResult, WebCore::ResourceError>;
using ContentExtensionCallback = CompletionHandler<void(ContentExtensionResultOrError&&)>;
void processContentRuleListsForLoad(WebCore::ResourceRequest&&, ContentExtensionCallback&&);
#endif
WebCore::FetchOptions m_options;
WebCore::StoredCredentialsPolicy m_storedCredentialsPolicy;
bool m_allowPrivacyProxy;
OptionSet<WebCore::AdvancedPrivacyProtections> m_advancedPrivacyProtections;
PAL::SessionID m_sessionID;
Ref<NetworkProcess> m_networkProcess;
WebPageProxyIdentifier m_webPageProxyID;
WebCore::HTTPHeaderMap m_originalRequestHeaders; // Needed for CORS checks.
WebCore::HTTPHeaderMap m_firstRequestHeaders; // Needed for CORS checks.
URL m_url;
DocumentURL m_documentURL;
RefPtr<WebCore::SecurityOrigin> m_origin;
RefPtr<WebCore::SecurityOrigin> m_topOrigin;
RefPtr<WebCore::SecurityOrigin> m_parentOrigin;
std::optional<WebCore::ContentSecurityPolicyResponseHeaders> m_cspResponseHeaders;
WebCore::CrossOriginEmbedderPolicy m_parentCrossOriginEmbedderPolicy;
WebCore::CrossOriginEmbedderPolicy m_crossOriginEmbedderPolicy;
#if ENABLE(CONTENT_EXTENSIONS)
URL m_mainDocumentURL;
URL m_frameURL;
std::optional<UserContentControllerIdentifier> m_userContentControllerIdentifier;
#endif
std::unique_ptr<NetworkCORSPreflightChecker> m_corsPreflightChecker;
bool m_isSameOriginRequest { true };
bool m_isSimpleRequest { true };
std::unique_ptr<WebCore::ContentSecurityPolicy> m_contentSecurityPolicy;
size_t m_redirectCount { 0 };
URL m_previousURL;
WebCore::PreflightPolicy m_preflightPolicy;
String m_referrer;
bool m_checkContentExtensions { false };
bool m_shouldCaptureExtraNetworkLoadMetrics { false };
WebCore::NetworkLoadInformation m_loadInformation;
LoadType m_requestLoadType;
RefPtr<NetworkSchemeRegistry> m_schemeRegistry;
WeakPtr<NetworkResourceLoader> m_networkResourceLoader;
};
}
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