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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_URL_CHECKER_HOLDER_H_
#define COMPONENTS_SAFE_BROWSING_CONTENT_BROWSER_URL_CHECKER_HOLDER_H_
#include <memory>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/ref_counted.h"
#include "base/time/time.h"
#include "components/safe_browsing/core/browser/referring_app_info.h"
#include "components/safe_browsing/core/browser/safe_browsing_url_checker_impl.h"
#include "components/safe_browsing/core/common/hashprefix_realtime/hash_realtime_utils.h"
#include "content/public/browser/frame_tree_node_id.h"
#include "url/gurl.h"
namespace content {
class WebContents;
}
namespace net {
class HttpRequestHeaders;
}
namespace safe_browsing {
class UrlCheckerDelegate;
class RealTimeUrlLookupServiceBase;
class HashRealTimeService;
// UrlCheckerHolder handles calling methods on SafeBrowsingUrlCheckerImpl.
class UrlCheckerHolder final {
public:
struct StartParams {
StartParams(net::HttpRequestHeaders headers,
int load_flags,
bool has_user_gesture,
GURL url,
std::string method);
StartParams(const StartParams& other);
~StartParams();
net::HttpRequestHeaders headers;
int load_flags;
bool has_user_gesture;
const GURL url;
const std::string method;
};
struct OnCompleteCheckResult {
OnCompleteCheckResult(
bool proceed,
bool showed_interstitial,
bool has_post_commit_interstitial_skipped,
SafeBrowsingUrlCheckerImpl::PerformedCheck performed_check,
bool all_checks_completed);
bool proceed;
bool showed_interstitial;
bool has_post_commit_interstitial_skipped;
SafeBrowsingUrlCheckerImpl::PerformedCheck performed_check;
bool all_checks_completed;
};
using OnCompleteCheckCallback =
base::RepeatingCallback<void(OnCompleteCheckResult)>;
using GetDelegateCallback =
base::RepeatingCallback<scoped_refptr<UrlCheckerDelegate>()>;
UrlCheckerHolder(
GetDelegateCallback delegate_getter,
content::FrameTreeNodeId frame_tree_node_id,
std::optional<int64_t> navigation_id,
base::RepeatingCallback<content::WebContents*()> web_contents_getter,
OnCompleteCheckCallback complete_callback,
bool url_real_time_lookup_enabled,
bool can_check_db,
bool can_check_high_confidence_allowlist,
std::string url_lookup_service_metric_suffix,
base::WeakPtr<RealTimeUrlLookupServiceBase> url_lookup_service,
base::WeakPtr<HashRealTimeService> hash_realtime_service,
hash_realtime_utils::HashRealTimeSelection hash_realtime_selection,
bool is_async_check,
bool check_allowlist_before_hash_database,
SessionID tab_id,
std::optional<internal::ReferringAppInfo> referring_app_info);
~UrlCheckerHolder();
// Starts the initial safe browsing check.
void Start(const StartParams& params);
// Checks the specified |url| using |url_checker_|.
void CheckUrl(const GURL& url, const std::string& method);
// Replaces the current |complete_callback_| with the new |callback|.
void SwapCompleteCallback(OnCompleteCheckCallback callback);
// Returns a list of URLs that are checked by |url_checker_|.
const std::vector<GURL>& GetRedirectChain();
void SetUrlCheckerForTesting(
std::unique_ptr<SafeBrowsingUrlCheckerImpl> checker);
std::optional<int64_t> navigation_id() { return navigation_id_; }
bool IsRealTimeCheckForTesting();
bool IsAsyncCheckForTesting();
bool IsCheckAllowlistBeforeHashDatabaseForTesting();
void AddUrlInRedirectChainForTesting(const GURL& url);
base::WeakPtr<UrlCheckerHolder> AsWeakPtr() {
return weak_factory_.GetWeakPtr();
}
private:
// This is the callback invoked by |url_checker_|. See the UrlCheckResult
// struct in |UnsafeResource| for the meaning of each parameter.
void OnCheckUrlResult(
bool proceed,
bool showed_interstitial,
bool has_post_commit_interstitial_skipped,
SafeBrowsingUrlCheckerImpl::PerformedCheck performed_check);
// The following member stays valid until |url_checker_| is created.
GetDelegateCallback delegate_getter_;
std::unique_ptr<SafeBrowsingUrlCheckerImpl> url_checker_;
std::unique_ptr<SafeBrowsingUrlCheckerImpl> url_checker_for_testing_;
content::FrameTreeNodeId frame_tree_node_id_;
std::optional<int64_t> navigation_id_;
base::RepeatingCallback<content::WebContents*()> web_contents_getter_;
OnCompleteCheckCallback complete_callback_;
bool url_real_time_lookup_enabled_ = false;
bool can_check_db_ = true;
bool can_check_high_confidence_allowlist_ = true;
size_t pending_checks_ = 0;
std::string url_lookup_service_metric_suffix_;
// A list of URLs that are checked by |url_checker_|.
std::vector<GURL> redirect_chain_;
base::WeakPtr<RealTimeUrlLookupServiceBase> url_lookup_service_;
base::WeakPtr<HashRealTimeService> hash_realtime_service_;
hash_realtime_utils::HashRealTimeSelection hash_realtime_selection_ =
hash_realtime_utils::HashRealTimeSelection::kNone;
base::TimeTicks creation_time_;
bool is_async_check_ = false;
bool check_allowlist_before_hash_database_ = false;
SessionID tab_id_;
std::optional<internal::ReferringAppInfo> referring_app_info_;
base::WeakPtrFactory<UrlCheckerHolder> weak_factory_{this};
};
} // namespace safe_browsing
#endif // COMPONENTS_SAFE_BROWSING_CONTENT_BROWSER_URL_CHECKER_HOLDER_H_
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