178 lines
4.4 KiB
Markdown
178 lines
4.4 KiB
Markdown
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# NestJS 认证处理指南
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## 认证架构对比
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### 1. PHP ThinkPHP (传统方式)
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```php
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// 通过中间件全局处理
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class AdminCheckToken {
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public function handle(Request $request, Closure $next) {
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// 检查token,某些路由可以跳过
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}
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}
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```
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### 2. Java Spring Boot (注解方式)
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```java
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@RestController
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public class AuthController {
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@SaCheckLogin // 需要登录
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@GetMapping("/user/info")
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public UserInfo getUserInfo() {}
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@SaNotCheckLogin // 免登录
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@PostMapping("/login")
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public LoginResult login() {}
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}
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```
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### 3. NestJS (装饰器方式) - 更像Java
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```typescript
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@Controller('adminapi/auth')
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export class AuthController {
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@Public() // 免登录
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@Post('login')
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async login() {}
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@Get('user/info') // 需要登录(默认)
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async getUserInfo() {}
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}
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```
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## NestJS 认证处理方式
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### 核心原则
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1. **默认需要登录** - 所有接口默认需要认证
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2. **@Public()装饰器** - 标记免登录接口
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3. **全局守卫** - 统一处理认证逻辑
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### 实现方式
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#### 1. 全局守卫配置
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```typescript
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// app.module.ts
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@Module({
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providers: [
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{ provide: APP_GUARD, useClass: GlobalAuthGuard },
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],
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})
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export class AppModule {}
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```
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#### 2. 全局守卫实现
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```typescript
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// GlobalAuthGuard.ts
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@Injectable()
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export class GlobalAuthGuard implements CanActivate {
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async canActivate(context: ExecutionContext): Promise<boolean> {
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// 检查是否有 @Public() 装饰器
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const isPublic = this.reflector.getAllAndOverride<boolean>(IS_PUBLIC_KEY, [
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context.getHandler(),
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context.getClass(),
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]);
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if (isPublic) {
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return true; // 免登录接口直接通过
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}
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// 需要认证的接口使用JWT认证
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return this.jwtAuthGuard.canActivate(context);
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}
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}
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```
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#### 3. 免登录装饰器
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```typescript
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// public.decorator.ts
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export const IS_PUBLIC_KEY = 'isPublic';
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export const Public = () => SetMetadata(IS_PUBLIC_KEY, true);
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```
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### 接口分类
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#### 1. 免登录接口 (使用 @Public())
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- **登录相关**: `/adminapi/login/*`
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- **验证码相关**: `/adminapi/captcha/*`
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- **公开配置**: `/api/sys/*` (前台公开接口)
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- **管理端公开**: `/adminapi/sys/web/*` (管理端公开接口)
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#### 2. 需要登录接口 (默认)
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- **用户管理**: `/adminapi/auth/*`
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- **系统管理**: `/adminapi/sys/*` (除公开接口外)
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- **站点管理**: `/adminapi/site/*`
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- **其他业务接口**: 所有其他接口
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### 路由路径对齐
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#### PHP → NestJS 路径映射
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```typescript
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// PHP: /adminapi/sys/get/website
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// NestJS: @Get('get/website') 在 @Controller('adminapi/sys')
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// PHP: /adminapi/login
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// NestJS: @Get('login') 在 @Controller('adminapi') + @Public()
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// PHP: /adminapi/captcha/create
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// NestJS: @Get('create') 在 @Controller('adminapi/captcha') + @Public()
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```
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### 最佳实践
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#### 1. 控制器级别设置
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```typescript
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// 免登录控制器
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@Controller('adminapi/login')
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@Public() // 整个控制器免登录
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export class LoginController {}
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// 需要登录控制器
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@Controller('adminapi/sys')
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@UseGuards(JwtAuthGuard, RolesGuard) // 整个控制器需要登录
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export class ConfigController {}
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```
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#### 2. 方法级别设置
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```typescript
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@Controller('adminapi/sys')
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export class ConfigController {
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@Public() // 单个方法免登录
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@Get('web/website')
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async getWebWebsite() {}
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@Get('get/website') // 默认需要登录
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async getWebsite() {}
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}
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```
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#### 3. 路径命名规范
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- **PHP方法名**: `getWebsite()` → **NestJS路径**: `get/website`
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- **PHP方法名**: `setWebsite()` → **NestJS路径**: `set/website`
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- **PHP方法名**: `getSceneDomain()` → **NestJS路径**: `get/scene/domain`
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### 验证方法
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#### 1. 检查免登录接口
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```bash
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# 这些接口应该不需要token就能访问
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curl http://localhost:3001/adminapi/login
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curl http://localhost:3001/adminapi/captcha/create
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curl http://localhost:3001/api/sys/website
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```
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#### 2. 检查需要登录接口
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```bash
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# 这些接口需要token才能访问
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curl -H "Authorization: Bearer <token>" http://localhost:3001/adminapi/sys/get/website
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curl -H "Authorization: Bearer <token>" http://localhost:3001/adminapi/site/lists
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```
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### 总结
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NestJS的认证处理方式**更像Java Spring Boot**,使用装饰器模式:
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|||
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1. **@Public()** = Java的 **@SaNotCheckLogin**
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2. **默认需要登录** = Java的 **@SaCheckLogin**
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3. **全局守卫** = Java的 **拦截器**
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这种方式比PHP的中间件方式更加灵活和类型安全,符合现代框架的设计理念。
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