| // Copyright 2020 The Chromium OS 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 CRYPTOHOME_AUTH_SESSION_H_ |
| #define CRYPTOHOME_AUTH_SESSION_H_ |
| |
| #include <string> |
| |
| #include <base/unguessable_token.h> |
| #include <brillo/secure_blob.h> |
| |
| namespace cryptohome { |
| |
| // This class starts a session for the user to authenticate with their |
| // credentials. |
| class AuthSession final { |
| public: |
| explicit AuthSession(std::string username); |
| ~AuthSession(); |
| |
| // Returns the full unhashed user name. |
| std::string username() const { return username_; } |
| |
| // Returns the token which is used to identify the current AuthSession. |
| const base::UnguessableToken& token() { return token_; } |
| |
| // Static function which returns a serialized token in a vector format. The |
| // token is serialized into two uint64_t values which are stored in string of |
| // size 16 bytes. The first 8 bytes represent the high value of the serialized |
| // token, the next 8 represent the low value of the serialized token. |
| static base::Optional<std::string> GetSerializedStringFromToken( |
| const base::UnguessableToken& token); |
| |
| // Static function which returns UnguessableToken object after deconstructing |
| // the string formed in GetSerializedStringFromToken. |
| static base::Optional<base::UnguessableToken> GetTokenFromSerializedString( |
| const std::string& serialized_token); |
| |
| private: |
| AuthSession() = delete; |
| std::string username_; |
| base::UnguessableToken token_; |
| }; |
| |
| } // namespace cryptohome |
| |
| #endif // CRYPTOHOME_AUTH_SESSION_H_ |