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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 CHROMEOS_ASH_COMPONENTS_OSAUTH_IMPL_AUTH_FACTOR_PRESENCE_CACHE_H_
#define CHROMEOS_ASH_COMPONENTS_OSAUTH_IMPL_AUTH_FACTOR_PRESENCE_CACHE_H_
#include <memory>
#include "base/component_export.h"
#include "chromeos/ash/components/osauth/public/common_types.h"
#include "components/user_manager/known_user.h"
class PrefService;
namespace ash {
// When authentication is attempted it is important for the UI part of
// authentication code to get a list of available factors in a synchronous
// way. However, the actual nature of factors makes factor presence check
// an asynchronous operation. The solution is the caching the results
// of the previous check.
// This class encapsulates details of such caching.
class COMPONENT_EXPORT(CHROMEOS_ASH_COMPONENTS_OSAUTH) AuthFactorPresenceCache {
public:
explicit AuthFactorPresenceCache(PrefService* local_state);
~AuthFactorPresenceCache();
void StoreFactorPresenceCache(AuthAttemptVector vector,
AuthFactorsSet factors);
AuthFactorsSet GetExpectedFactorsPresence(AuthAttemptVector vector);
private:
std::unique_ptr<user_manager::KnownUser> known_user_;
};
} // namespace ash
#endif // CHROMEOS_ASH_COMPONENTS_OSAUTH_IMPL_AUTH_FACTOR_PRESENCE_CACHE_H_
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