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// Copyright 2019 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_CORE_BROWSER_REALTIME_POLICY_ENGINE_H_
#define COMPONENTS_SAFE_BROWSING_CORE_BROWSER_REALTIME_POLICY_ENGINE_H_
#include <string>
#include "base/functional/callback.h"
#include "build/build_config.h"
class PrefService;
namespace variations {
class VariationsService;
}
namespace safe_browsing {
// This class implements the logic to decide whether the real time lookup
// feature is enabled for a given user/profile.
// TODO(crbug.com/40673388): To make this class build in IOS, remove
// browser_context dependency in this class, and replace it with pref_service
// and simple_factory_key.
class RealTimePolicyEngine {
public:
RealTimePolicyEngine() = delete;
~RealTimePolicyEngine() = delete;
// A callback via which the client of this class indicates whether they
// are configured to support token fetches. Used as part of
// CanPerformFullURLLookupWithToken().
using ClientConfiguredForTokenFetchesCallback =
base::OnceCallback<bool(bool user_has_enabled_enhanced_protection)>;
// Return true if the profile is not Incognito and real-time fetches are
// available in the user's country, and the user has opted in to ESB or MBB.
static bool CanPerformFullURLLookup(
PrefService* pref_service,
bool is_off_the_record,
variations::VariationsService* variations_service);
// Return true if the OAuth token should be associated with the URL lookup
// pings.
static bool CanPerformFullURLLookupWithToken(
PrefService* pref_service,
bool is_off_the_record,
ClientConfiguredForTokenFetchesCallback client_callback,
variations::VariationsService* variations_service);
// Return true if the user has opted in to ESB or MBB.
static bool HasPrefPermissionsToPerformFullURLLookup(
PrefService* pref_service);
static bool CanPerformEnterpriseFullURLLookup(const PrefService* pref_service,
bool has_valid_dm_token,
bool is_off_the_record,
bool is_guest_profile);
friend class SafeBrowsingService;
private:
static bool IsInExcludedCountry(const std::string& country_code);
// Whether the user has opted-in to MBB.
static bool IsUserMbbOptedIn(PrefService* pref_service);
// Whether the user has opted-in to Enhanced Protection.
static bool IsUserEpOptedIn(PrefService* pref_service);
friend class RealTimePolicyEngineTest;
}; // class RealTimePolicyEngine
} // namespace safe_browsing
#endif // COMPONENTS_SAFE_BROWSING_CORE_BROWSER_REALTIME_POLICY_ENGINE_H_
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