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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_SAFE_BROWSING_CONTENT_BROWSER_CLIENT_SIDE_DETECTION_FEATURE_CACHE_H_
#define COMPONENTS_SAFE_BROWSING_CONTENT_BROWSER_CLIENT_SIDE_DETECTION_FEATURE_CACHE_H_
#include <deque>
#include <memory>
#include "base/callback_list.h"
#include "base/containers/queue.h"
#include "base/sequence_checker.h"
#include "components/safe_browsing/content/browser/client_side_detection_service.h"
#include "components/safe_browsing/core/common/proto/csd.pb.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_user_data.h"
#include "url/gurl.h"
namespace content {
class WebContents;
}
namespace safe_browsing {
// Serves as a cache for CSD-Phishing's local verdicts. Both CSD-Phishing and
// PhishGuard are expected to be clients of this cache.
class ClientSideDetectionFeatureCache
: public content::WebContentsUserData<ClientSideDetectionFeatureCache> {
public:
explicit ClientSideDetectionFeatureCache(content::WebContents* web_contents);
~ClientSideDetectionFeatureCache() override;
ClientSideDetectionFeatureCache(const ClientSideDetectionFeatureCache&) =
delete;
ClientSideDetectionFeatureCache& operator=(
const ClientSideDetectionFeatureCache&) = delete;
// When inserting a ClientPhishingRequest, we will override an old message
// object, if it exists, because new models can potentially give different
// output images.
void InsertVerdict(const GURL& url,
std::unique_ptr<ClientPhishingRequest> verdict);
ClientPhishingRequest* GetVerdictForURL(const GURL& url);
void AddClearCacheSubscription(
base::WeakPtr<ClientSideDetectionService> csd_service);
size_t GetMaxMapCapacity();
long GetTotalVerdictEntriesSize();
// The following functions are related to caching debugging metadata for
// PhishGuard pings.
LoginReputationClientRequest::DebuggingMetadata*
GetOrCreateDebuggingMetadataForURL(const GURL& url);
void RemoveDebuggingMetadataForURL(const GURL& url);
long GetTotalDebuggingMetadataMapEntriesSize();
LoginReputationClientRequest::DebuggingMetadata* GetDebuggingMetadataForURL(
const GURL& url);
private:
friend class content::WebContentsUserData<ClientSideDetectionFeatureCache>;
FRIEND_TEST_ALL_PREFIXES(
ClientSideDetectionHostPrerenderBrowserTest,
CheckDebuggingMetadataCacheAfterClearingCacheAfterNavigation);
void Clear();
base::flat_map<GURL, std::unique_ptr<ClientPhishingRequest>> verdict_map_;
base::flat_map<
GURL,
std::unique_ptr<LoginReputationClientRequest::DebuggingMetadata>>
debug_metadata_map_;
base::queue<GURL> gurl_queue_;
std::deque<GURL> debugging_metadata_deque_
GUARDED_BY_CONTEXT(sequence_checker_);
static constexpr size_t kMaxMapCapacity = 10;
base::CallbackListSubscription clear_cache_subscription_;
SEQUENCE_CHECKER(sequence_checker_);
WEB_CONTENTS_USER_DATA_KEY_DECL();
};
} // namespace safe_browsing
#endif // COMPONENTS_SAFE_BROWSING_CONTENT_BROWSER_CLIENT_SIDE_DETECTION_FEATURE_CACHE_H_
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