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// Copyright 2014 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 CHROMEOS_LOGIN_AUTH_EXTENDED_AUTHENTICATOR_IMPL_H_
#define CHROMEOS_LOGIN_AUTH_EXTENDED_AUTHENTICATOR_IMPL_H_
#include <string>
#include "base/basictypes.h"
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "chromeos/chromeos_export.h"
#include "chromeos/login/auth/extended_authenticator.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace chromeos {
class AuthStatusConsumer;
class UserContext;
// Implements ExtendedAuthenticator.
class CHROMEOS_EXPORT ExtendedAuthenticatorImpl : public ExtendedAuthenticator {
public:
explicit ExtendedAuthenticatorImpl(NewAuthStatusConsumer* consumer);
explicit ExtendedAuthenticatorImpl(AuthStatusConsumer* consumer);
// ExtendedAuthenticator:
void SetConsumer(AuthStatusConsumer* consumer) override;
void AuthenticateToMount(const UserContext& context,
const ResultCallback& success_callback) override;
void AuthenticateToCheck(const UserContext& context,
const base::Closure& success_callback) override;
void CreateMount(const std::string& user_id,
const std::vector<cryptohome::KeyDefinition>& keys,
const ResultCallback& success_callback) override;
void AddKey(const UserContext& context,
const cryptohome::KeyDefinition& key,
bool replace_existing,
const base::Closure& success_callback) override;
void UpdateKeyAuthorized(const UserContext& context,
const cryptohome::KeyDefinition& key,
const std::string& signature,
const base::Closure& success_callback) override;
void RemoveKey(const UserContext& context,
const std::string& key_to_remove,
const base::Closure& success_callback) override;
void TransformKeyIfNeeded(const UserContext& user_context,
const ContextCallback& callback) override;
private:
~ExtendedAuthenticatorImpl() override;
// Callback for system salt getter.
void OnSaltObtained(const std::string& system_salt);
// Performs actual operation with fully configured |context|.
void DoAuthenticateToMount(const ResultCallback& success_callback,
const UserContext& context);
void DoAuthenticateToCheck(const base::Closure& success_callback,
const UserContext& context);
void DoAddKey(const cryptohome::KeyDefinition& key,
bool replace_existing,
const base::Closure& success_callback,
const UserContext& context);
void DoUpdateKeyAuthorized(const cryptohome::KeyDefinition& key,
const std::string& signature,
const base::Closure& success_callback,
const UserContext& context);
void DoRemoveKey(const std::string& key_to_remove,
const base::Closure& success_callback,
const UserContext& context);
// Inner operation callbacks.
void OnMountComplete(const std::string& time_marker,
const UserContext& context,
const ResultCallback& success_callback,
bool success,
cryptohome::MountError return_code,
const std::string& mount_hash);
void OnOperationComplete(const std::string& time_marker,
const UserContext& context,
const base::Closure& success_callback,
bool success,
cryptohome::MountError return_code);
bool salt_obtained_;
std::string system_salt_;
std::vector<base::Closure> system_salt_callbacks_;
NewAuthStatusConsumer* consumer_;
AuthStatusConsumer* old_consumer_;
DISALLOW_COPY_AND_ASSIGN(ExtendedAuthenticatorImpl);
};
} // namespace chromeos
#endif // CHROMEOS_LOGIN_AUTH_EXTENDED_AUTHENTICATOR_IMPL_H_