feat: 增加登录和验证码验证失败次数限制，添加账号锁定机制

internal/service/user_service.go

@@ -109,6 +109,11 @@ func LoginUserWithRateLimit(redisClient *redis.Client, jwtService *auth.JWTServi
 		if redisClient != nil {
 			identifier := usernameOrEmail + ":" + ipAddress
 			count, _ := RecordLoginFailure(ctx, redisClient, identifier)
+			// 检查是否触发锁定
+			if count >= MaxLoginAttempts {
+				logFailedLogin(0, ipAddress, userAgent, "用户不存在-账号已锁定")
+				return nil, "", fmt.Errorf("登录失败次数过多，账号已被锁定 %d 分钟", int(LoginLockDuration.Minutes()))
+			}
 			remaining := MaxLoginAttempts - count
 			if remaining > 0 {
 				logFailedLogin(0, ipAddress, userAgent, "用户不存在")
@@ -131,6 +136,11 @@ func LoginUserWithRateLimit(redisClient *redis.Client, jwtService *auth.JWTServi
 		if redisClient != nil {
 			identifier := usernameOrEmail + ":" + ipAddress
 			count, _ := RecordLoginFailure(ctx, redisClient, identifier)
+			// 检查是否触发锁定
+			if count >= MaxLoginAttempts {
+				logFailedLogin(user.ID, ipAddress, userAgent, "密码错误-账号已锁定")
+				return nil, "", fmt.Errorf("登录失败次数过多，账号已被锁定 %d 分钟", int(LoginLockDuration.Minutes()))
+			}
 			remaining := MaxLoginAttempts - count
 			if remaining > 0 {
 				logFailedLogin(user.ID, ipAddress, userAgent, "密码错误")

internal/service/verification_service.go

@@ -102,15 +102,25 @@ func VerifyCode(ctx context.Context, redisClient *redis.Client, email, code, cod
 	// 从Redis获取验证码
 	storedCode, err := redisClient.Get(ctx, codeKey)
 	if err != nil {
-		// 记录失败尝试
-		RecordVerifyFailure(ctx, redisClient, email, codeType)
+		// 记录失败尝试并检查是否触发锁定
+		count, _ := RecordVerifyFailure(ctx, redisClient, email, codeType)
+		if count >= MaxVerifyAttempts {
+			return fmt.Errorf("验证码错误次数过多，账号已被锁定 %d 分钟", int(VerifyLockDuration.Minutes()))
+		}
+		remaining := MaxVerifyAttempts - count
+		if remaining > 0 {
+			return fmt.Errorf("验证码已过期或不存在，还剩 %d 次尝试机会", remaining)
+		}
 		return fmt.Errorf("验证码已过期或不存在")
 	}
 
 	// 验证验证码
 	if storedCode != code {
-		// 记录失败尝试
+		// 记录失败尝试并检查是否触发锁定
 		count, _ := RecordVerifyFailure(ctx, redisClient, email, codeType)
+		if count >= MaxVerifyAttempts {
+			return fmt.Errorf("验证码错误次数过多，账号已被锁定 %d 分钟", int(VerifyLockDuration.Minutes()))
+		}
 		remaining := MaxVerifyAttempts - count
 		if remaining > 0 {
 			return fmt.Errorf("验证码错误，还剩 %d 次尝试机会", remaining)