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// Copyright 2024 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_PUBLIC_AUTH_HUB_H_
#define CHROMEOS_ASH_COMPONENTS_OSAUTH_PUBLIC_AUTH_HUB_H_
#include "base/component_export.h"
#include "base/functional/callback.h"
#include "chromeos/ash/components/osauth/public/auth_parts.h"
#include "chromeos/ash/components/osauth/public/common_types.h"
#include "components/account_id/account_id.h"
namespace ash {
class AuthAttemptConsumer;
class AuthHubConnector;
// Main entry point for ChromeOS local Authentication.
class COMPONENT_EXPORT(CHROMEOS_ASH_COMPONENTS_OSAUTH) AuthHub {
public:
// Convenience method.
static inline AuthHub* Get() { return AuthParts::Get()->GetAuthHub(); }
// AuthHub is not initialized immediately after creation, to allow
// registering extra FactorEngines in AuthParts, so it starts in
// `AuthHubMode::kNone`.
//
// Usually AuthHub would go `kNone` -> `kLoginScreen` -> `kInSession`,
// but there are two exceptions:
// * after in-session crash AuthHub would go `kNone` -> `kInSession`;
// * Until ChromeOS multi-profile is made obsolette by Lacros
// AuthHub would need to go `kInSession`->`kLoginScreen`->`kInSession`
// when showing/hiding "Add user" screen.
// This method should not be called from other AuthHub callbacks
// to prevent reenterant loops.
virtual void InitializeForMode(AuthHubMode target) = 0;
virtual void EnsureInitialized(base::OnceClosure on_initialized) = 0;
virtual void StartAuthentication(AccountId accountId,
AuthPurpose purpose,
AuthAttemptConsumer* consumer) = 0;
// Cancel the current attempt, eventually leads to
// `AuthAttemptConsumer::OnUserAuthAttemptCancelled` being called, and the
// destruction of the UI.
virtual void CancelCurrentAttempt(AuthHubConnector* connector) = 0;
virtual void Shutdown() = 0;
virtual ~AuthHub() = default;
};
} // namespace ash
#endif // CHROMEOS_ASH_COMPONENTS_OSAUTH_PUBLIC_AUTH_HUB_H_
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