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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_RENDERER_HOST_ANCESTOR_THROTTLE_H_
#define CONTENT_BROWSER_RENDERER_HOST_ANCESTOR_THROTTLE_H_
#include <memory>
#include <string>
#include "base/gtest_prod_util.h"
#include "content/common/content_export.h"
#include "content/public/browser/navigation_throttle.h"
#include "services/network/public/mojom/content_security_policy.mojom-forward.h"
#include "services/network/public/mojom/x_frame_options.mojom-forward.h"
#include "third_party/blink/public/mojom/devtools/console_message.mojom-shared.h"
namespace net {
class HttpResponseHeaders;
}
namespace content {
class NavigationHandle;
// An AncestorThrottle is responsible for enforcing a resource's embedding
// rules, and blocking requests which violate them.
class CONTENT_EXPORT AncestorThrottle : public NavigationThrottle {
public:
static std::unique_ptr<NavigationThrottle> MaybeCreateThrottleFor(
NavigationHandle* handle);
AncestorThrottle(const AncestorThrottle&) = delete;
AncestorThrottle& operator=(const AncestorThrottle&) = delete;
~AncestorThrottle() override;
NavigationThrottle::ThrottleCheckResult WillRedirectRequest() override;
NavigationThrottle::ThrottleCheckResult WillProcessResponse() override;
const char* GetNameForLogging() override;
private:
enum class LoggingDisposition { LOG_TO_CONSOLE, DO_NOT_LOG_TO_CONSOLE };
enum class CheckResult { BLOCK, PROCEED };
FRIEND_TEST_ALL_PREFIXES(AncestorThrottleTest, ParsingXFrameOptions);
FRIEND_TEST_ALL_PREFIXES(AncestorThrottleTest, ErrorsParsingXFrameOptions);
FRIEND_TEST_ALL_PREFIXES(AncestorThrottleTest,
IgnoreWhenFrameAncestorsPresent);
explicit AncestorThrottle(NavigationHandle* handle);
NavigationThrottle::ThrottleCheckResult ProcessResponseImpl(
LoggingDisposition logging,
bool is_response_check);
void ParseXFrameOptionsError(const net::HttpResponseHeaders* headers,
network::mojom::XFrameOptionsValue disposition);
void ConsoleErrorXFrameOptions(
network::mojom::XFrameOptionsValue disposition);
void ConsoleErrorEmbeddingRequiresOptIn();
void AddMessageToConsole(blink::mojom::ConsoleMessageLevel level,
std::string message);
CheckResult EvaluateXFrameOptions(LoggingDisposition logging);
CheckResult EvaluateFrameAncestors(
const std::vector<network::mojom::ContentSecurityPolicyPtr>&
content_security_policy);
CheckResult EvaluateEmbeddingOptIn(LoggingDisposition logging);
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_ANCESTOR_THROTTLE_H_
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