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-rw-r--r--BackEnd/Timeline/Services/UserTokenManager.cs108
1 files changed, 0 insertions, 108 deletions
diff --git a/BackEnd/Timeline/Services/UserTokenManager.cs b/BackEnd/Timeline/Services/UserTokenManager.cs
deleted file mode 100644
index 898e4d6d..00000000
--- a/BackEnd/Timeline/Services/UserTokenManager.cs
+++ /dev/null
@@ -1,108 +0,0 @@
-using Microsoft.Extensions.Logging;
-using System;
-using System.Threading.Tasks;
-using Timeline.Entities;
-using Timeline.Helpers;
-using Timeline.Services.Exceptions;
-
-namespace Timeline.Services
-{
- public class UserTokenCreateResult
- {
- public string Token { get; set; } = default!;
- public UserEntity User { get; set; } = default!;
- }
-
- public interface IUserTokenManager
- {
- /// <summary>
- /// Try to create a token for given username and password.
- /// </summary>
- /// <param name="username">The username.</param>
- /// <param name="password">The password.</param>
- /// <param name="expireAt">The expire time of the token.</param>
- /// <returns>The created token and the user info.</returns>
- /// <exception cref="ArgumentNullException">Thrown when <paramref name="username"/> or <paramref name="password"/> is null.</exception>
- /// <exception cref="ArgumentException">Thrown when <paramref name="username"/> is of bad format.</exception>
- /// <exception cref="UserNotExistException">Thrown when the user with <paramref name="username"/> does not exist.</exception>
- /// <exception cref="BadPasswordException">Thrown when <paramref name="password"/> is wrong.</exception>
- public Task<UserTokenCreateResult> CreateToken(string username, string password, DateTime? expireAt = null);
-
- /// <summary>
- /// Verify a token and get the saved user info. This also check the database for existence of the user.
- /// </summary>
- /// <param name="token">The token.</param>
- /// <returns>The user stored in token.</returns>
- /// <exception cref="ArgumentNullException">Thrown when <paramref name="token"/> is null.</exception>
- /// <exception cref="UserTokenTimeExpiredException">Thrown when the token is expired.</exception>
- /// <exception cref="UserTokenVersionExpiredException">Thrown when the token is of bad version.</exception>
- /// <exception cref="UserTokenBadFormatException">Thrown when the token is of bad format.</exception>
- /// <exception cref="UserTokenUserNotExistException">Thrown when the user specified by the token does not exist. Usually the user had been deleted after the token was issued.</exception>
- public Task<UserEntity> VerifyToken(string token);
- }
-
- public class UserTokenManager : IUserTokenManager
- {
- private readonly ILogger<UserTokenManager> _logger;
- private readonly IUserService _userService;
- private readonly IUserCredentialService _userCredentialService;
- private readonly IUserTokenHandler _userTokenService;
- private readonly IClock _clock;
-
- public UserTokenManager(ILogger<UserTokenManager> logger, IUserService userService, IUserCredentialService userCredentialService, IUserTokenHandler userTokenService, IClock clock)
- {
- _logger = logger;
- _userService = userService;
- _userCredentialService = userCredentialService;
- _userTokenService = userTokenService;
- _clock = clock;
- }
-
- public async Task<UserTokenCreateResult> CreateToken(string username, string password, DateTime? expireAt = null)
- {
- expireAt = expireAt?.MyToUtc();
-
- if (username == null)
- throw new ArgumentNullException(nameof(username));
- if (password == null)
- throw new ArgumentNullException(nameof(password));
-
- var userId = await _userCredentialService.VerifyCredential(username, password);
- var user = await _userService.GetUser(userId);
- var token = _userTokenService.GenerateToken(new UserTokenInfo { Id = user.Id, Version = user.Version, ExpireAt = expireAt });
-
- return new UserTokenCreateResult { Token = token, User = user };
- }
-
-
- public async Task<UserEntity> VerifyToken(string token)
- {
- if (token == null)
- throw new ArgumentNullException(nameof(token));
-
- var tokenInfo = _userTokenService.VerifyToken(token);
-
- if (tokenInfo.ExpireAt.HasValue)
- {
- var currentTime = _clock.GetCurrentTime();
- if (tokenInfo.ExpireAt < currentTime)
- throw new UserTokenTimeExpiredException(token, tokenInfo.ExpireAt.Value, currentTime);
- }
-
- try
- {
- var user = await _userService.GetUser(tokenInfo.Id);
-
- if (tokenInfo.Version < user.Version)
- throw new UserTokenVersionExpiredException(token, tokenInfo.Version, user.Version);
-
- return user;
-
- }
- catch (UserNotExistException e)
- {
- throw new UserTokenUserNotExistException(token, e);
- }
- }
- }
-}