chrome/browser/safe_browsing/chrome_enterprise_url_lookup_service.h

// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_SAFE_BROWSING_CHROME_ENTERPRISE_URL_LOOKUP_SERVICE_H_
#define CHROME_BROWSER_SAFE_BROWSING_CHROME_ENTERPRISE_URL_LOOKUP_SERVICE_H_

#include <memory>
#include <string>

#include "chrome/browser/enterprise/connectors/connectors_service.h"
#include "components/safe_browsing/core/browser/realtime/url_lookup_service_base.h"
#include "components/safe_browsing/core/common/proto/csd.pb.h"
#include "url/gurl.h"

namespace net {
struct NetworkTrafficAnnotationTag;
}

namespace network {
class SharedURLLoaderFactory;
}  // namespace network

class Profile;

namespace safe_browsing {

class ReferrerChainProvider;

// This class implements the real time lookup feature for a given user/profile.
// It is separated from the base class for logic that is related to enterprise
// users.(See: go/chrome-protego-enterprise-dd)
class ChromeEnterpriseRealTimeUrlLookupService
    : public RealTimeUrlLookupServiceBase {
 public:
  ChromeEnterpriseRealTimeUrlLookupService(
      scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory,
      VerdictCacheManager* cache_manager,
      Profile* profile,
      base::RepeatingCallback<ChromeUserPopulation()>
          get_user_population_callback,
      enterprise_connectors::ConnectorsService* connectors_service,
      ReferrerChainProvider* referrer_chain_provider);

  ChromeEnterpriseRealTimeUrlLookupService(
      const ChromeEnterpriseRealTimeUrlLookupService&) = delete;
  ChromeEnterpriseRealTimeUrlLookupService& operator=(
      const ChromeEnterpriseRealTimeUrlLookupService&) = delete;

  ~ChromeEnterpriseRealTimeUrlLookupService() override;

  // RealTimeUrlLookupServiceBase:
  bool CanPerformFullURLLookup() const override;
  bool CanCheckSubresourceURL() const override;
  bool CanCheckSafeBrowsingDb() const override;

 private:
  // RealTimeUrlLookupServiceBase:
  GURL GetRealTimeLookupUrl() const override;
  net::NetworkTrafficAnnotationTag GetTrafficAnnotationTag() const override;
  bool CanPerformFullURLLookupWithToken() const override;
  bool CanAttachReferrerChain() const override;
  int GetReferrerUserGestureLimit() const override;
  bool CanSendPageLoadToken() const override;
  void GetAccessToken(
      const GURL& url,
      const GURL& last_committed_url,
      bool is_mainframe,
      RTLookupRequestCallback request_callback,
      RTLookupResponseCallback response_callback,
      scoped_refptr<base::SequencedTaskRunner> callback_task_runner) override;
  absl::optional<std::string> GetDMTokenString() const override;
  std::string GetMetricSuffix() const override;
  bool ShouldIncludeCredentials() const override;
  double GetMinAllowedTimestampForReferrerChains() const override;

  // Unowned object used for checking profile based settings.
  Profile* profile_;

  // Unowned pointer to ConnectorsService, used to get a DM token.
  enterprise_connectors::ConnectorsService* connectors_service_;

  friend class ChromeEnterpriseRealTimeUrlLookupServiceTest;

  base::WeakPtrFactory<ChromeEnterpriseRealTimeUrlLookupService> weak_factory_{
      this};

};  // class ChromeEnterpriseRealTimeUrlLookupService

}  // namespace safe_browsing

#endif  // CHROME_BROWSER_SAFE_BROWSING_CHROME_ENTERPRISE_URL_LOOKUP_SERVICE_H_