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// Copyright 2015 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 COMPONENTS_PROXIMITY_AUTH_PROXIMITY_AUTH_CLIENT_H_
#define COMPONENTS_PROXIMITY_AUTH_PROXIMITY_AUTH_CLIENT_H_
#include <string>
#include "base/callback_forward.h"
#include "base/memory/scoped_ptr.h"
#include "components/proximity_auth/cryptauth/proto/cryptauth_api.pb.h"
#include "components/proximity_auth/screenlock_state.h"
class PrefService;
namespace proximity_auth {
class CryptAuthClientFactory;
class CryptAuthDeviceManager;
class CryptAuthEnrollmentManager;
class SecureMessageDelegate;
// An interface that needs to be supplied to the Proximity Auth component by its
// embedder. There should be one |ProximityAuthClient| per
// |content::BrowserContext|.
class ProximityAuthClient {
public:
virtual ~ProximityAuthClient() {}
// Returns the authenticated username.
virtual std::string GetAuthenticatedUsername() const = 0;
// Updates the user pod on the signin or lock screen to reflect the provided
// screenlock state.
virtual void UpdateScreenlockState(ScreenlockState state) = 0;
// Finalizes an unlock attempt initiated by the user. If |success| is true,
// the screen is unlocked; otherwise, the auth attempt is rejected. An auth
// attempt must be in progress before calling this function.
virtual void FinalizeUnlock(bool success) = 0;
// Finalizes a sign-in attempt initiated by the user. If |secret| is valid,
// the user is signed in; otherwise, the auth attempt is rejected. An auth
// attempt must be in progress before calling this function.
virtual void FinalizeSignin(const std::string& secret) = 0;
// Gets the wrapped challenge for the given |user_id| and |remote_public_key|
// of the user's remote device. The challenge binds to the secure channel
// using |channel_binding_data|.
// |callback| will be invoked when the challenge is acquired.
virtual void GetChallengeForUserAndDevice(
const std::string& user_id,
const std::string& remote_public_key,
const std::string& channel_binding_data,
base::Callback<void(const std::string& challenge)> callback) = 0;
// Returns the PrefService used by the profile.
virtual PrefService* GetPrefService() = 0;
// Returns the SecureMessageDelegate used by the system.
virtual scoped_ptr<SecureMessageDelegate> CreateSecureMessageDelegate() = 0;
// Constructs the CryptAuthClientFactory that can be used for API requests.
virtual scoped_ptr<CryptAuthClientFactory> CreateCryptAuthClientFactory() = 0;
// Constructs the DeviceClassifier message that is sent to CryptAuth for all
// API requests.
virtual cryptauth::DeviceClassifier GetDeviceClassifier() = 0;
// Returns the account id of the user.
virtual std::string GetAccountId() = 0;
virtual proximity_auth::CryptAuthEnrollmentManager*
GetCryptAuthEnrollmentManager() = 0;
virtual proximity_auth::CryptAuthDeviceManager*
GetCryptAuthDeviceManager() = 0;
};
} // namespace proximity_auth
#endif // COMPONENTS_PROXIMITY_AUTH_PROXIMITY_AUTH_CLIENT_H_
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