From 7c37a5885437aaf97b9986b7cc2941b5e4316003 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sat, 24 Apr 2021 22:01:27 +0800
Subject: refactor: Move token services.

---
 BackEnd/Timeline/Services/UserTokenManager.cs | 108 --------------------------
 1 file changed, 108 deletions(-)
 delete mode 100644 BackEnd/Timeline/Services/UserTokenManager.cs

(limited to 'BackEnd/Timeline/Services/UserTokenManager.cs')

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);
-            }
-        }
-    }
-}
-- 
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