707 lines
26 KiB
C#
707 lines
26 KiB
C#
using System.Security.Cryptography;
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using System.Text;
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using HoneyBox.Core.Interfaces;
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using HoneyBox.Model.Data;
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using HoneyBox.Model.Entities;
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using HoneyBox.Model.Models.Auth;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Logging;
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namespace HoneyBox.Core.Services;
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/// <summary>
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/// 认证服务实现
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/// </summary>
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public class AuthService : IAuthService
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{
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private readonly HoneyBoxDbContext _dbContext;
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private readonly IUserService _userService;
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private readonly IJwtService _jwtService;
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private readonly IWechatService _wechatService;
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private readonly IIpLocationService _ipLocationService;
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private readonly IRedisService _redisService;
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private readonly ILogger<AuthService> _logger;
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// Redis key prefixes
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private const string LoginDebounceKeyPrefix = "login:debounce:";
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private const string SmsCodeKeyPrefix = "sms:code:";
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private const int DebounceSeconds = 3;
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public AuthService(
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HoneyBoxDbContext dbContext,
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IUserService userService,
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IJwtService jwtService,
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IWechatService wechatService,
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IIpLocationService ipLocationService,
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IRedisService redisService,
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ILogger<AuthService> logger)
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{
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_dbContext = dbContext ?? throw new ArgumentNullException(nameof(dbContext));
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_userService = userService ?? throw new ArgumentNullException(nameof(userService));
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_jwtService = jwtService ?? throw new ArgumentNullException(nameof(jwtService));
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_wechatService = wechatService ?? throw new ArgumentNullException(nameof(wechatService));
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_ipLocationService = ipLocationService ?? throw new ArgumentNullException(nameof(ipLocationService));
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_redisService = redisService ?? throw new ArgumentNullException(nameof(redisService));
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_logger = logger ?? throw new ArgumentNullException(nameof(logger));
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}
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/// <summary>
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/// 微信小程序登录
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/// Requirements: 1.1-1.8
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/// </summary>
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public async Task<LoginResult> WechatMiniProgramLoginAsync(string code, int? pid, string? clickId)
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{
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_logger.LogInformation("[AuthService] 微信登录开始，code={Code}, pid={Pid}, clickId={ClickId}", code, pid, clickId);
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if (string.IsNullOrWhiteSpace(code))
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{
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_logger.LogWarning("[AuthService] 微信登录失败：code为空");
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return new LoginResult
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{
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Success = false,
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ErrorMessage = "授权code不能为空"
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};
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}
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try
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{
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// 1.6 防抖机制 - 3秒内不允许重复登录
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var debounceKey = $"{LoginDebounceKeyPrefix}wechat:{code}";
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_logger.LogInformation("[AuthService] 检查防抖锁: {Key}", debounceKey);
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var lockAcquired = await _redisService.TryAcquireLockAsync(debounceKey, "1", TimeSpan.FromSeconds(DebounceSeconds));
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if (!lockAcquired)
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{
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_logger.LogWarning("[AuthService] 防抖触发，拒绝重复登录请求: {Code}", code);
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return new LoginResult
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{
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Success = false,
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ErrorMessage = "请勿频繁登录"
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};
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}
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_logger.LogInformation("[AuthService] 防抖锁获取成功");
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// 1.1 调用微信API获取openid和unionid
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_logger.LogInformation("[AuthService] 开始调用微信API获取openid...");
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var wechatResult = await _wechatService.GetOpenIdAsync(code);
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_logger.LogInformation("[AuthService] 微信API调用完成，Success={Success}, OpenId={OpenId}, UnionId={UnionId}, Error={Error}",
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wechatResult.Success,
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wechatResult.OpenId ?? "null",
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wechatResult.UnionId ?? "null",
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wechatResult.ErrorMessage ?? "null");
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if (!wechatResult.Success)
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{
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_logger.LogWarning("[AuthService] 微信API调用失败: {Error}", wechatResult.ErrorMessage);
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return new LoginResult
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{
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Success = false,
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ErrorMessage = wechatResult.ErrorMessage ?? "登录失败，请稍后重试"
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};
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}
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var openId = wechatResult.OpenId!;
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var unionId = wechatResult.UnionId;
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// 1.2 查找用户 - 优先通过unionid查找，其次通过openid查找
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User? user = null;
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if (!string.IsNullOrWhiteSpace(unionId))
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{
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_logger.LogInformation("[AuthService] 尝试通过unionid查找用户: {UnionId}", unionId);
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user = await _userService.GetUserByUnionIdAsync(unionId);
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_logger.LogInformation("[AuthService] unionid查找结果: {Found}", user != null ? $"找到用户ID={user.Id}" : "未找到");
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}
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if (user == null)
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{
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_logger.LogInformation("[AuthService] 尝试通过openid查找用户: {OpenId}", openId);
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user = await _userService.GetUserByOpenIdAsync(openId);
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_logger.LogInformation("[AuthService] openid查找结果: {Found}", user != null ? $"找到用户ID={user.Id}" : "未找到");
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}
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if (user == null)
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{
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// 1.3 用户不存在，创建新用户
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_logger.LogInformation("[AuthService] 用户不存在，开始创建新用户...");
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var createDto = new CreateUserDto
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{
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OpenId = openId,
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UnionId = unionId,
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Nickname = $"用户{Random.Shared.Next(100000, 999999)}",
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Headimg = GenerateDefaultAvatar(openId),
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Pid = pid ?? 0,
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ClickId = ParseClickId(clickId)
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};
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user = await _userService.CreateUserAsync(createDto);
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_logger.LogInformation("[AuthService] 新用户创建成功: UserId={UserId}, OpenId={OpenId}", user.Id, openId);
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}
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else
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{
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// 1.4 用户存在，更新unionid（如果之前为空）
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if (string.IsNullOrWhiteSpace(user.UnionId) && !string.IsNullOrWhiteSpace(unionId))
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{
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_logger.LogInformation("[AuthService] 更新用户unionid: UserId={UserId}", user.Id);
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await _userService.UpdateUserAsync(user.Id, new UpdateUserDto { UnionId = unionId });
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_logger.LogInformation("[AuthService] unionid更新成功");
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}
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}
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// 1.5 生成JWT Token
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_logger.LogInformation("[AuthService] 开始生成JWT Token: UserId={UserId}", user.Id);
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var token = _jwtService.GenerateToken(user);
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_logger.LogInformation("[AuthService] JWT Token生成成功，长度={Length}", token?.Length ?? 0);
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// 3.6 同时在数据库UserAccount表中存储account_token用于兼容旧系统
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_logger.LogInformation("[AuthService] 更新UserAccount表...");
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await CreateOrUpdateAccountTokenAsync(user.Id, token);
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_logger.LogInformation("[AuthService] UserAccount更新成功");
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_logger.LogInformation("[AuthService] 微信登录成功: UserId={UserId}", user.Id);
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return new LoginResult
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{
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Success = true,
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Token = token,
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UserId = user.Id
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};
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "[AuthService] 微信登录异常: code={Code}, Message={Message}, StackTrace={StackTrace}",
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code, ex.Message, ex.StackTrace);
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return new LoginResult
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{
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Success = false,
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ErrorMessage = "网络故障，请稍后再试"
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};
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}
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}
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/// <summary>
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/// 手机号验证码登录
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/// Requirements: 2.1-2.7
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/// </summary>
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public async Task<LoginResult> MobileLoginAsync(string mobile, string code, int? pid, string? clickId)
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{
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if (string.IsNullOrWhiteSpace(mobile))
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{
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return new LoginResult
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{
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Success = false,
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ErrorMessage = "手机号不能为空"
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};
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}
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if (string.IsNullOrWhiteSpace(code))
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{
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return new LoginResult
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{
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Success = false,
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ErrorMessage = "验证码不能为空"
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};
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}
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try
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{
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// 2.6 防抖机制 - 3秒内不允许重复登录
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var debounceKey = $"{LoginDebounceKeyPrefix}mobile:{mobile}";
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var lockAcquired = await _redisService.TryAcquireLockAsync(debounceKey, "1", TimeSpan.FromSeconds(DebounceSeconds));
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if (!lockAcquired)
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{
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_logger.LogWarning("Login debounce triggered for mobile: {Mobile}", MaskMobile(mobile));
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return new LoginResult
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{
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Success = false,
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ErrorMessage = "请勿频繁登录"
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};
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}
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// 2.1 从Redis获取并验证验证码
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var smsCodeKey = $"{SmsCodeKeyPrefix}{mobile}";
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var storedCode = await _redisService.GetStringAsync(smsCodeKey);
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if (string.IsNullOrWhiteSpace(storedCode) || storedCode != code)
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{
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_logger.LogWarning("SMS code verification failed for mobile: {Mobile}", MaskMobile(mobile));
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return new LoginResult
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{
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Success = false,
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ErrorMessage = "验证码错误"
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};
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}
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// 2.2 验证码验证通过后，删除Redis中的验证码
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await _redisService.DeleteAsync(smsCodeKey);
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// 查找用户
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var user = await _userService.GetUserByMobileAsync(mobile);
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if (user == null)
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{
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// 2.3 用户不存在，创建新用户
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var createDto = new CreateUserDto
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{
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Mobile = mobile,
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Nickname = $"用户{Random.Shared.Next(100000, 999999)}",
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Headimg = GenerateDefaultAvatar(mobile),
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Pid = pid ?? 0,
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ClickId = ParseClickId(clickId)
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};
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user = await _userService.CreateUserAsync(createDto);
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_logger.LogInformation("New user created via mobile login: UserId={UserId}, Mobile={Mobile}", user.Id, MaskMobile(mobile));
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}
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// 2.4 生成JWT Token
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var token = _jwtService.GenerateToken(user);
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// 3.6 同时在数据库UserAccount表中存储account_token用于兼容旧系统
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await CreateOrUpdateAccountTokenAsync(user.Id, token);
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_logger.LogInformation("Mobile login successful: UserId={UserId}", user.Id);
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return new LoginResult
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{
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Success = true,
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Token = token,
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UserId = user.Id
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};
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Mobile login failed for mobile: {Mobile}", MaskMobile(mobile));
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return new LoginResult
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{
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Success = false,
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ErrorMessage = "网络故障，请稍后再试"
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};
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}
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}
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/// <summary>
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/// 验证码绑定手机号
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/// Requirements: 5.1-5.5
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/// </summary>
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public async Task<BindMobileResponse> BindMobileAsync(int userId, string mobile, string code)
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{
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if (string.IsNullOrWhiteSpace(mobile))
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{
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throw new ArgumentException("手机号不能为空", nameof(mobile));
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}
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if (string.IsNullOrWhiteSpace(code))
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{
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throw new ArgumentException("验证码不能为空", nameof(code));
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}
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// 5.1 验证短信验证码
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var smsCodeKey = $"{SmsCodeKeyPrefix}{mobile}";
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var storedCode = await _redisService.GetStringAsync(smsCodeKey);
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if (string.IsNullOrWhiteSpace(storedCode) || storedCode != code)
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{
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_logger.LogWarning("SMS code verification failed for bind mobile: UserId={UserId}, Mobile={Mobile}", userId, MaskMobile(mobile));
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throw new InvalidOperationException("验证码错误");
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}
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// 验证码验证通过后删除
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await _redisService.DeleteAsync(smsCodeKey);
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// 获取当前用户
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var currentUser = await _userService.GetUserByIdAsync(userId);
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if (currentUser == null)
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{
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throw new InvalidOperationException("用户不存在");
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}
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// 检查手机号是否已被其他用户绑定
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var existingUser = await _userService.GetUserByMobileAsync(mobile);
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if (existingUser != null && existingUser.Id != userId)
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{
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// 5.2 手机号已被其他用户绑定，需要合并账户
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return await MergeAccountsAsync(currentUser, existingUser);
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}
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// 5.4 手机号未被绑定，直接更新当前用户的手机号
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await _userService.UpdateUserAsync(userId, new UpdateUserDto { Mobile = mobile });
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_logger.LogInformation("Mobile bound successfully: UserId={UserId}, Mobile={Mobile}", userId, MaskMobile(mobile));
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return new BindMobileResponse { Token = null };
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}
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/// <summary>
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/// 微信授权绑定手机号
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/// Requirements: 5.1-5.5
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/// </summary>
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public async Task<BindMobileResponse> WechatBindMobileAsync(int userId, string wechatCode)
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{
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if (string.IsNullOrWhiteSpace(wechatCode))
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{
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throw new ArgumentException("微信授权code不能为空", nameof(wechatCode));
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}
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// 调用微信API获取手机号
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var mobileResult = await _wechatService.GetMobileAsync(wechatCode);
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if (!mobileResult.Success || string.IsNullOrWhiteSpace(mobileResult.Mobile))
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{
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_logger.LogWarning("WeChat get mobile failed: UserId={UserId}, Error={Error}", userId, mobileResult.ErrorMessage);
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throw new InvalidOperationException(mobileResult.ErrorMessage ?? "获取手机号失败");
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}
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var mobile = mobileResult.Mobile;
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// 获取当前用户
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var currentUser = await _userService.GetUserByIdAsync(userId);
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if (currentUser == null)
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{
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throw new InvalidOperationException("用户不存在");
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}
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// 检查手机号是否已被其他用户绑定
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var existingUser = await _userService.GetUserByMobileAsync(mobile);
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if (existingUser != null && existingUser.Id != userId)
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{
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// 5.2 手机号已被其他用户绑定，需要合并账户
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return await MergeAccountsAsync(currentUser, existingUser);
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}
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// 5.4 手机号未被绑定，直接更新当前用户的手机号
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await _userService.UpdateUserAsync(userId, new UpdateUserDto { Mobile = mobile });
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_logger.LogInformation("Mobile bound via WeChat successfully: UserId={UserId}, Mobile={Mobile}", userId, MaskMobile(mobile));
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return new BindMobileResponse { Token = null };
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}
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/// <summary>
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/// 记录登录信息
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/// Requirements: 6.1, 6.3, 6.4
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/// </summary>
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public async Task<RecordLoginResponse> RecordLoginAsync(int userId, string? device, string? deviceInfo)
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{
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var user = await _userService.GetUserByIdAsync(userId);
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if (user == null)
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{
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throw new InvalidOperationException("用户不存在");
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}
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try
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{
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// 获取客户端IP（这里使用空字符串作为占位符，实际IP应从Controller传入）
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var clientIp = deviceInfo ?? string.Empty;
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// 6.2 解析IP地址获取地理位置
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IpLocationResult? locationResult = null;
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if (!string.IsNullOrWhiteSpace(clientIp))
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{
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locationResult = await _ipLocationService.GetLocationAsync(clientIp);
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}
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var now = DateTime.UtcNow;
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var today = DateOnly.FromDateTime(now);
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// 6.1 记录登录日志
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var loginLog = new UserLoginLog
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{
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UserId = userId,
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LoginDate = today,
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LoginTime = now,
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LastLoginTime = now,
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Device = device,
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Ip = clientIp,
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Location = locationResult?.Success == true
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? $"{locationResult.Province}{locationResult.City}"
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: null,
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Year = now.Year,
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Month = now.Month,
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Week = GetWeekOfYear(now)
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};
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await _dbContext.UserLoginLogs.AddAsync(loginLog);
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// 6.3 更新UserAccount表中的最后登录时间和IP信息
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var userAccount = await _dbContext.UserAccounts.FirstOrDefaultAsync(ua => ua.UserId == userId);
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if (userAccount != null)
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{
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userAccount.LastLoginTime = now;
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userAccount.LastLoginIp = clientIp;
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if (locationResult?.Success == true)
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{
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userAccount.IpProvince = locationResult.Province;
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userAccount.IpCity = locationResult.City;
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userAccount.IpAdcode = locationResult.Adcode;
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}
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_dbContext.UserAccounts.Update(userAccount);
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}
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// 更新用户最后登录时间
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user.LastLoginTime = now;
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_dbContext.Users.Update(user);
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await _dbContext.SaveChangesAsync();
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_logger.LogInformation("Login recorded: UserId={UserId}, Device={Device}, IP={IP}", userId, device, clientIp);
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// 6.4 返回用户的uid、昵称和头像
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return new RecordLoginResponse
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{
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Uid = user.Uid,
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Nickname = user.Nickname,
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Headimg = user.HeadImg
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};
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Failed to record login: UserId={UserId}", userId);
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throw;
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}
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}
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/// <summary>
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/// H5绑定手机号（无需验证码）
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/// Requirements: 13.1
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/// </summary>
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public async Task<BindMobileResponse> BindMobileH5Async(int userId, string mobile)
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{
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if (string.IsNullOrWhiteSpace(mobile))
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{
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throw new ArgumentException("手机号不能为空", nameof(mobile));
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}
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// 获取当前用户
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var currentUser = await _userService.GetUserByIdAsync(userId);
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if (currentUser == null)
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{
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throw new InvalidOperationException("用户不存在");
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}
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|
||
// 检查手机号是否已被其他用户绑定
|
||
var existingUser = await _userService.GetUserByMobileAsync(mobile);
|
||
|
||
if (existingUser != null && existingUser.Id != userId)
|
||
{
|
||
// 手机号已被其他用户绑定，需要合并账户
|
||
return await MergeAccountsAsync(currentUser, existingUser);
|
||
}
|
||
|
||
// 手机号未被绑定，直接更新当前用户的手机号
|
||
await _userService.UpdateUserAsync(userId, new UpdateUserDto { Mobile = mobile });
|
||
_logger.LogInformation("H5 Mobile bound successfully: UserId={UserId}, Mobile={Mobile}", userId, MaskMobile(mobile));
|
||
|
||
return new BindMobileResponse { Token = null };
|
||
}
|
||
|
||
/// <summary>
|
||
/// 账号注销
|
||
/// Requirements: 7.1-7.3
|
||
/// </summary>
|
||
public async Task LogOffAsync(int userId, int type)
|
||
{
|
||
var user = await _userService.GetUserByIdAsync(userId);
|
||
if (user == null)
|
||
{
|
||
throw new InvalidOperationException("用户不存在");
|
||
}
|
||
|
||
try
|
||
{
|
||
// 7.1 记录注销请求日志
|
||
var action = type == 0 ? "注销账号" : "取消注销";
|
||
_logger.LogInformation("User log off request: UserId={UserId}, Type={Type}, Action={Action}", userId, type, action);
|
||
|
||
// 这里可以添加更多的注销逻辑，比如：
|
||
// - 将用户状态设置为已注销
|
||
// - 清理用户相关的缓存
|
||
// - 发送通知等
|
||
|
||
if (type == 0)
|
||
{
|
||
// 注销账号 - 可以设置用户状态为禁用
|
||
user.Status = 0;
|
||
_dbContext.Users.Update(user);
|
||
await _dbContext.SaveChangesAsync();
|
||
_logger.LogInformation("User account deactivated: UserId={UserId}", userId);
|
||
}
|
||
else if (type == 1)
|
||
{
|
||
// 取消注销 - 恢复用户状态
|
||
user.Status = 1;
|
||
_dbContext.Users.Update(user);
|
||
await _dbContext.SaveChangesAsync();
|
||
_logger.LogInformation("User account reactivated: UserId={UserId}", userId);
|
||
}
|
||
|
||
// 7.2 返回注销成功的消息（通过不抛出异常来表示成功）
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
_logger.LogError(ex, "Failed to process log off: UserId={UserId}, Type={Type}", userId, type);
|
||
throw;
|
||
}
|
||
}
|
||
|
||
|
||
#region Private Helper Methods
|
||
|
||
/// <summary>
|
||
/// 合并账户 - 将当前用户的openid迁移到手机号用户
|
||
/// </summary>
|
||
private async Task<BindMobileResponse> MergeAccountsAsync(User currentUser, User mobileUser)
|
||
{
|
||
using var transaction = await _dbContext.Database.BeginTransactionAsync();
|
||
try
|
||
{
|
||
_logger.LogInformation("Merging accounts: CurrentUserId={CurrentUserId}, MobileUserId={MobileUserId}",
|
||
currentUser.Id, mobileUser.Id);
|
||
|
||
// 5.2 将当前用户的openid迁移到手机号用户
|
||
if (!string.IsNullOrWhiteSpace(currentUser.OpenId))
|
||
{
|
||
mobileUser.OpenId = currentUser.OpenId;
|
||
}
|
||
if (!string.IsNullOrWhiteSpace(currentUser.UnionId))
|
||
{
|
||
mobileUser.UnionId = currentUser.UnionId;
|
||
}
|
||
mobileUser.UpdatedAt = DateTime.UtcNow;
|
||
_dbContext.Users.Update(mobileUser);
|
||
|
||
// 删除当前用户的账户记录
|
||
var currentUserAccount = await _dbContext.UserAccounts.FirstOrDefaultAsync(ua => ua.UserId == currentUser.Id);
|
||
if (currentUserAccount != null)
|
||
{
|
||
_dbContext.UserAccounts.Remove(currentUserAccount);
|
||
}
|
||
|
||
// 删除当前用户
|
||
_dbContext.Users.Remove(currentUser);
|
||
|
||
await _dbContext.SaveChangesAsync();
|
||
await transaction.CommitAsync();
|
||
|
||
// 5.3 生成新的token
|
||
var newToken = _jwtService.GenerateToken(mobileUser);
|
||
await CreateOrUpdateAccountTokenAsync(mobileUser.Id, newToken);
|
||
|
||
_logger.LogInformation("Accounts merged successfully: NewUserId={NewUserId}", mobileUser.Id);
|
||
|
||
return new BindMobileResponse { Token = newToken };
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
await transaction.RollbackAsync();
|
||
_logger.LogError(ex, "Failed to merge accounts: CurrentUserId={CurrentUserId}, MobileUserId={MobileUserId}",
|
||
currentUser.Id, mobileUser.Id);
|
||
throw;
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 创建或更新账户Token（用于兼容旧系统）
|
||
/// </summary>
|
||
private async Task CreateOrUpdateAccountTokenAsync(int userId, string jwtToken)
|
||
{
|
||
var tokenNum = GenerateRandomString(10);
|
||
var time = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
|
||
var accountToken = ComputeMd5($"{userId}{tokenNum}{time}");
|
||
|
||
var userAccount = await _dbContext.UserAccounts.FirstOrDefaultAsync(ua => ua.UserId == userId);
|
||
|
||
if (userAccount == null)
|
||
{
|
||
userAccount = new UserAccount
|
||
{
|
||
UserId = userId,
|
||
AccountToken = accountToken,
|
||
TokenNum = tokenNum,
|
||
TokenTime = DateTime.UtcNow,
|
||
LastLoginTime = DateTime.UtcNow,
|
||
LastLoginIp = string.Empty
|
||
};
|
||
await _dbContext.UserAccounts.AddAsync(userAccount);
|
||
}
|
||
else
|
||
{
|
||
userAccount.AccountToken = accountToken;
|
||
userAccount.TokenNum = tokenNum;
|
||
userAccount.TokenTime = DateTime.UtcNow;
|
||
userAccount.LastLoginTime = DateTime.UtcNow;
|
||
_dbContext.UserAccounts.Update(userAccount);
|
||
}
|
||
|
||
await _dbContext.SaveChangesAsync();
|
||
}
|
||
|
||
/// <summary>
|
||
/// 生成默认头像URL
|
||
/// </summary>
|
||
private static string GenerateDefaultAvatar(string seed)
|
||
{
|
||
// 使用种子生成一个简单的默认头像URL
|
||
// 实际项目中可以使用Identicon库或其他头像生成服务
|
||
var hash = ComputeMd5(seed);
|
||
return $"https://api.dicebear.com/7.x/identicon/svg?seed={hash}";
|
||
}
|
||
|
||
/// <summary>
|
||
/// 计算MD5哈希
|
||
/// </summary>
|
||
private static string ComputeMd5(string input)
|
||
{
|
||
var inputBytes = Encoding.UTF8.GetBytes(input);
|
||
var hashBytes = MD5.HashData(inputBytes);
|
||
return Convert.ToHexString(hashBytes).ToLowerInvariant();
|
||
}
|
||
|
||
/// <summary>
|
||
/// 生成随机字符串
|
||
/// </summary>
|
||
private static string GenerateRandomString(int length)
|
||
{
|
||
const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
|
||
var result = new char[length];
|
||
for (int i = 0; i < length; i++)
|
||
{
|
||
result[i] = chars[Random.Shared.Next(chars.Length)];
|
||
}
|
||
return new string(result);
|
||
}
|
||
|
||
/// <summary>
|
||
/// 解析ClickId
|
||
/// </summary>
|
||
private static int? ParseClickId(string? clickId)
|
||
{
|
||
if (string.IsNullOrWhiteSpace(clickId))
|
||
return null;
|
||
|
||
return int.TryParse(clickId, out var result) ? result : null;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 脱敏手机号
|
||
/// </summary>
|
||
private static string MaskMobile(string mobile)
|
||
{
|
||
if (string.IsNullOrWhiteSpace(mobile) || mobile.Length < 7)
|
||
return "***";
|
||
|
||
return $"{mobile.Substring(0, 3)}****{mobile.Substring(mobile.Length - 4)}";
|
||
}
|
||
|
||
/// <summary>
|
||
/// 获取年份中的周数
|
||
/// </summary>
|
||
private static int GetWeekOfYear(DateTime date)
|
||
{
|
||
var cal = System.Globalization.CultureInfo.CurrentCulture.Calendar;
|
||
return cal.GetWeekOfYear(date, System.Globalization.CalendarWeekRule.FirstDay, DayOfWeek.Monday);
|
||
}
|
||
|
||
#endregion
|
||
}
|