feat: 实现邮箱验证注册功能

添加完整的邮箱验证注册系统,包括验证码发送、验证和限流控制:
  - 新增邮箱验证服务模块(email_sender, email_template, email_verification)
  - 更新认证API支持邮箱验证注册流程
  - 添加注册对话框和验证码输入组件
  - 完善IP限流器支持邮箱验证场景
  - 修复前端类型定义问题,升级esbuild依赖

  🤖 Generated with [Claude Code](https://claude.com/claude-code)

  Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

src/api/admin/system.py

@@ -119,6 +119,13 @@ async def import_users(request: Request, db: Session = Depends(get_db)):
     return await pipeline.run(adapter=adapter, http_request=request, db=db, mode=adapter.mode)
 
 
+@router.post("/smtp/test")
+async def test_smtp(request: Request, db: Session = Depends(get_db)):
+    """测试 SMTP 连接（管理员）"""
+    adapter = AdminTestSmtpAdapter()
+    return await pipeline.run(adapter=adapter, http_request=request, db=db, mode=adapter.mode)
+
+
 # -------- 系统设置适配器 --------
 
 
@@ -1084,3 +1091,63 @@ class AdminImportUsersAdapter(AdminApiAdapter):
         except Exception as e:
             db.rollback()
             raise InvalidRequestException(f"导入失败: {str(e)}")
+
+
+class AdminTestSmtpAdapter(AdminApiAdapter):
+    async def handle(self, context):  # type: ignore[override]
+        """测试 SMTP 连接"""
+        from src.services.system.config import ConfigService
+        from src.services.verification.email_sender import EmailSenderService
+
+        db = context.db
+        payload = context.ensure_json_body() or {}
+
+        # 前端可传入未保存的配置，优先使用前端值，否则回退数据库
+        config = {
+            "smtp_host": payload.get("smtp_host") or ConfigService.get_config(db, "smtp_host"),
+            "smtp_port": payload.get("smtp_port") or ConfigService.get_config(db, "smtp_port", default=587),
+            "smtp_user": payload.get("smtp_user") or ConfigService.get_config(db, "smtp_user"),
+            "smtp_password": payload.get("smtp_password") or ConfigService.get_config(db, "smtp_password"),
+            "smtp_use_tls": payload.get("smtp_use_tls")
+            if payload.get("smtp_use_tls") is not None
+            else ConfigService.get_config(db, "smtp_use_tls", default=True),
+            "smtp_use_ssl": payload.get("smtp_use_ssl")
+            if payload.get("smtp_use_ssl") is not None
+            else ConfigService.get_config(db, "smtp_use_ssl", default=False),
+            "smtp_from_email": payload.get("smtp_from_email")
+            or ConfigService.get_config(db, "smtp_from_email"),
+            "smtp_from_name": payload.get("smtp_from_name")
+            or ConfigService.get_config(db, "smtp_from_name", default="Aether"),
+        }
+
+        # 验证必要配置
+        missing_fields = [
+            field for field in ["smtp_host", "smtp_user", "smtp_password", "smtp_from_email"] if not config.get(field)
+        ]
+        if missing_fields:
+            return {
+                "success": False,
+                "message": f"SMTP 配置不完整，请检查 {', '.join(missing_fields)}"
+            }
+
+        # 测试连接
+        try:
+            success, error_msg = await EmailSenderService.test_smtp_connection(
+                db=db, override_config=config
+            )
+
+            if success:
+                return {
+                    "success": True,
+                    "message": "SMTP 连接测试成功"
+                }
+            else:
+                return {
+                    "success": False,
+                    "message": f"SMTP 连接测试失败: {error_msg}"
+                }
+        except Exception as e:
+            return {
+                "success": False,
+                "message": f"SMTP 连接测试失败: {str(e)}"
+            }

src/api/auth/routes.py

@@ -23,12 +23,19 @@ from src.models.api import (
     RefreshTokenResponse,
     RegisterRequest,
     RegisterResponse,
+    RegistrationSettingsResponse,
+    SendVerificationCodeRequest,
+    SendVerificationCodeResponse,
+    VerifyEmailRequest,
+    VerifyEmailResponse,
 )
 from src.models.database import AuditEventType, User, UserRole
 from src.services.auth.service import AuthService
 from src.services.rate_limit.ip_limiter import IPRateLimiter
 from src.services.system.audit import AuditService
+from src.services.system.config import ConfigService
 from src.services.user.service import UserService
+from src.services.verification import EmailSenderService, EmailVerificationService
 from src.utils.request_utils import get_client_ip, get_user_agent
 
 
@@ -38,6 +45,13 @@ pipeline = ApiRequestPipeline()
 
 
 # API端点
+@router.get("/registration-settings", response_model=RegistrationSettingsResponse)
+async def registration_settings(request: Request, db: Session = Depends(get_db)):
+    """公开获取注册相关配置"""
+    adapter = AuthRegistrationSettingsAdapter()
+    return await pipeline.run(adapter=adapter, http_request=request, db=db, mode=adapter.mode)
+
+
 @router.post("/login", response_model=LoginResponse)
 async def login(request: Request, db: Session = Depends(get_db)):
     adapter = AuthLoginAdapter()
@@ -75,6 +89,20 @@ async def logout(request: Request, db: Session = Depends(get_db)):
     return await pipeline.run(adapter=adapter, http_request=request, db=db, mode=adapter.mode)
 
 
+@router.post("/send-verification-code", response_model=SendVerificationCodeResponse)
+async def send_verification_code(request: Request, db: Session = Depends(get_db)):
+    """发送邮箱验证码"""
+    adapter = AuthSendVerificationCodeAdapter()
+    return await pipeline.run(adapter=adapter, http_request=request, db=db, mode=adapter.mode)
+
+
+@router.post("/verify-email", response_model=VerifyEmailResponse)
+async def verify_email(request: Request, db: Session = Depends(get_db)):
+    """验证邮箱验证码"""
+    adapter = AuthVerifyEmailAdapter()
+    return await pipeline.run(adapter=adapter, http_request=request, db=db, mode=adapter.mode)
+
+
 # ============== 适配器实现 ==============
 
 
@@ -209,6 +237,24 @@ class AuthRefreshAdapter(AuthPublicAdapter):
             raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="刷新令牌失败")
 
 
+class AuthRegistrationSettingsAdapter(AuthPublicAdapter):
+    async def handle(self, context):  # type: ignore[override]
+        """公开返回注册相关配置"""
+        db = context.db
+
+        enable_registration = ConfigService.get_config(db, "enable_registration", default=False)
+        require_verification = ConfigService.get_config(db, "require_email_verification", default=False)
+        expire_minutes = ConfigService.get_config(
+            db, "verification_code_expire_minutes", default=30
+        )
+
+        return RegistrationSettingsResponse(
+            enable_registration=bool(enable_registration),
+            require_email_verification=bool(require_verification),
+            verification_code_expire_minutes=expire_minutes,
+        ).model_dump()
+
+
 class AuthRegisterAdapter(AuthPublicAdapter):
     async def handle(self, context):  # type: ignore[override]
         from src.models.database import SystemConfig
@@ -241,6 +287,19 @@ class AuthRegisterAdapter(AuthPublicAdapter):
             db.commit()
             raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="系统暂不开放注册")
 
+        # 检查是否需要邮箱验证
+        require_verification = ConfigService.get_config(db, "require_email_verification", default=False)
+
+        if require_verification:
+            # 检查邮箱是否已验证
+            is_verified = await EmailVerificationService.is_email_verified(register_request.email)
+            if not is_verified:
+                logger.warning(f"注册失败：邮箱未验证: {register_request.email}")
+                raise HTTPException(
+                    status_code=status.HTTP_400_BAD_REQUEST,
+                    detail="请先完成邮箱验证。请发送验证码并验证后再注册。",
+                )
+
         try:
             user = UserService.create_user(
                 db=db,
@@ -258,7 +317,13 @@ class AuthRegisterAdapter(AuthPublicAdapter):
                 user_agent=user_agent,
                 metadata={"email": user.email, "username": user.username, "role": user.role.value},
             )
+
+            # 注册成功后清除验证状态 - 在 commit 之前清理，避免竞态条件
+            if require_verification:
+                await EmailVerificationService.clear_verification(register_request.email)
+
             db.commit()
+
             return RegisterResponse(
                 user_id=user.id,
                 email=user.email,
@@ -351,3 +416,124 @@ class AuthLogoutAdapter(AuthenticatedApiAdapter):
         else:
             logger.warning(f"用户登出失败（Redis不可用）: {user.email}")
             return LogoutResponse(message="登出成功（降级模式）", success=False).model_dump()
+
+
+class AuthSendVerificationCodeAdapter(AuthPublicAdapter):
+    async def handle(self, context):  # type: ignore[override]
+        """发送邮箱验证码"""
+        db = context.db
+        payload = context.ensure_json_body()
+
+        try:
+            send_request = SendVerificationCodeRequest.model_validate(payload)
+        except ValidationError as exc:
+            errors = []
+            for error in exc.errors():
+                field = " -> ".join(str(x) for x in error["loc"])
+                errors.append(f"{field}: {error['msg']}")
+            raise InvalidRequestException("输入验证失败: " + "; ".join(errors))
+
+        client_ip = get_client_ip(context.request)
+        email = send_request.email
+
+        # IP 速率限制检查（验证码发送：3次/分钟）
+        allowed, remaining, reset_after = await IPRateLimiter.check_limit(
+            client_ip, "verification_send"
+        )
+        if not allowed:
+            logger.warning(f"验证码发送请求超过速率限制: IP={client_ip}, 剩余={remaining}")
+            raise HTTPException(
+                status_code=status.HTTP_429_TOO_MANY_REQUESTS,
+                detail=f"请求过于频繁，请在 {reset_after} 秒后重试",
+            )
+
+        # 获取验证码过期时间配置
+        expire_minutes = ConfigService.get_config(
+            db, "verification_code_expire_minutes", default=30
+        )
+
+        # 检查邮箱是否已注册 - 静默处理，不暴露邮箱注册状态
+        existing_user = db.query(User).filter(User.email == email).first()
+        if existing_user:
+            # 不发送验证码，但返回成功信息，防止邮箱枚举攻击
+            logger.warning(f"尝试为已注册邮箱发送验证码: {email}")
+            return SendVerificationCodeResponse(
+                success=True,
+                message="验证码已发送",
+                expire_minutes=expire_minutes,
+            )
+
+        # 生成并发送验证码
+        success, code_or_error, error_detail = await EmailVerificationService.send_verification_code(
+            email, expire_minutes=expire_minutes
+        )
+
+        if not success:
+            logger.error(f"发送验证码失败: {email}, 错误: {code_or_error}")
+            raise HTTPException(
+                status_code=status.HTTP_400_BAD_REQUEST,
+                detail=error_detail or code_or_error,
+            )
+
+        # 发送邮件
+        email_success, email_error = await EmailSenderService.send_verification_code(
+            db=db, to_email=email, code=code_or_error, expire_minutes=expire_minutes
+        )
+
+        if not email_success:
+            logger.error(f"发送验证码邮件失败: {email}, 错误: {email_error}")
+            # 不向用户暴露 SMTP 详细错误信息，防止信息泄露
+            raise HTTPException(
+                status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+                detail="发送验证码失败，请稍后重试",
+            )
+
+        logger.info(f"验证码已发送: {email}")
+
+        return SendVerificationCodeResponse(
+            message="验证码已发送，请查收邮件",
+            success=True,
+            expire_minutes=expire_minutes,
+        ).model_dump()
+
+
+class AuthVerifyEmailAdapter(AuthPublicAdapter):
+    async def handle(self, context):  # type: ignore[override]
+        """验证邮箱验证码"""
+        db = context.db
+        payload = context.ensure_json_body()
+
+        try:
+            verify_request = VerifyEmailRequest.model_validate(payload)
+        except ValidationError as exc:
+            errors = []
+            for error in exc.errors():
+                field = " -> ".join(str(x) for x in error["loc"])
+                errors.append(f"{field}: {error['msg']}")
+            raise InvalidRequestException("输入验证失败: " + "; ".join(errors))
+
+        client_ip = get_client_ip(context.request)
+        email = verify_request.email
+        code = verify_request.code
+
+        # IP 速率限制检查（验证码验证：10次/分钟）
+        allowed, remaining, reset_after = await IPRateLimiter.check_limit(
+            client_ip, "verification_verify"
+        )
+        if not allowed:
+            logger.warning(f"验证码验证请求超过速率限制: IP={client_ip}, 剩余={remaining}")
+            raise HTTPException(
+                status_code=status.HTTP_429_TOO_MANY_REQUESTS,
+                detail=f"请求过于频繁，请在 {reset_after} 秒后重试",
+            )
+
+        # 验证验证码
+        success, message = await EmailVerificationService.verify_code(email, code)
+
+        if not success:
+            logger.warning(f"验证码验证失败: {email}, 原因: {message}")
+            raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=message)
+
+        logger.info(f"邮箱验证成功: {email}")
+
+        return VerifyEmailResponse(message="邮箱验证成功", success=True).model_dump()