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// Copyright 2020 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_NETWORK_CROSS_ORIGIN_EMBEDDER_POLICY_REPORTER_H_
#define CONTENT_BROWSER_NETWORK_CROSS_ORIGIN_EMBEDDER_POLICY_REPORTER_H_
#include <initializer_list>
#include <optional>
#include <string>
#include <string_view>
#include "base/memory/weak_ptr.h"
#include "content/common/content_export.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/receiver_set.h"
#include "net/base/network_anonymization_key.h"
#include "services/network/public/mojom/cross_origin_embedder_policy.mojom.h"
#include "services/network/public/mojom/fetch_api.mojom.h"
#include "third_party/blink/public/mojom/frame/reporting_observer.mojom.h"
#include "url/gurl.h"
namespace content {
class StoragePartition;
// Used to report (potential) COEP violations.
// A CrossOriginEmbedderPolicyReporter is retained by an object that represents
// a "setting object" in the browser process such as RenderFrameHostImpl and
// DedicatedWorkerHost. They create a mojo endpoint using Clone and pass it
// around. For example, it's sent to the Network Service via
// network.mojom.URLLoaderFactoryParam.coep_reporter.
// A CrossOriginEmbedderPolicyReporter lives on the UI thread.
class CONTENT_EXPORT CrossOriginEmbedderPolicyReporter final
: public network::mojom::CrossOriginEmbedderPolicyReporter {
public:
CrossOriginEmbedderPolicyReporter(
base::WeakPtr<StoragePartition> storage_partition,
const GURL& context_url,
const std::optional<std::string>& endpoint,
const std::optional<std::string>& report_only_endpoint,
const base::UnguessableToken& reporting_source,
const net::NetworkAnonymizationKey& network_anonymization_key);
~CrossOriginEmbedderPolicyReporter() override;
CrossOriginEmbedderPolicyReporter(const CrossOriginEmbedderPolicyReporter&) =
delete;
CrossOriginEmbedderPolicyReporter& operator=(
const CrossOriginEmbedderPolicyReporter&) = delete;
void set_reporting_source(const base::UnguessableToken& reporting_source);
// network::mojom::CrossOriginEmbedderPolicyReporter implementation.
void QueueCorpViolationReport(const GURL& blocked_url,
network::mojom::RequestDestination destination,
bool report_only) override;
void Clone(
mojo::PendingReceiver<network::mojom::CrossOriginEmbedderPolicyReporter>
receiver) override;
void BindObserver(
mojo::PendingRemote<blink::mojom::ReportingObserver> observer);
// https://html.spec.whatwg.org/C/#check-a-navigation-response's-adherence-to-its-embedder-policy
// Queues a violation report for COEP mismatch for nested frame navigation.
void QueueNavigationReport(const GURL& blocked_url, bool report_only);
// https://html.spec.whatwg.org/C/#check-a-global-object's-embedder-policy
// Queues a violation report for COEP mismatch during the worker
// initialization.
void QueueWorkerInitializationReport(const GURL& blocked_url,
bool report_only);
base::WeakPtr<CrossOriginEmbedderPolicyReporter> GetWeakPtr() {
return weak_ptr_factory_.GetWeakPtr();
}
private:
void QueueAndNotify(
std::initializer_list<std::pair<std::string_view, std::string_view>> body,
bool report_only);
base::WeakPtr<StoragePartition> storage_partition_;
const GURL context_url_;
const std::optional<std::string> endpoint_;
const std::optional<std::string> report_only_endpoint_;
// This reporting source is not owned by COEPReporter in any way. The
// COEPReporter is not responsible for cleaning up the reporting source, the
// actual owner of this token needs to manage the lifecycle (including
// cleaning up the reporting source from reporting cache).
base::UnguessableToken reporting_source_;
const net::NetworkAnonymizationKey network_anonymization_key_;
mojo::ReceiverSet<network::mojom::CrossOriginEmbedderPolicyReporter>
receiver_set_;
mojo::Remote<blink::mojom::ReportingObserver> observer_;
// This must be the last member.
base::WeakPtrFactory<CrossOriginEmbedderPolicyReporter> weak_ptr_factory_{
this};
};
} // namespace content
#endif // CONTENT_BROWSER_NETWORK_CROSS_ORIGIN_EMBEDDER_POLICY_REPORTER_H_
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