Wv8MAJXb

1import { createParamDecorator } from '@nestjs/common';
2import { AuthGuard } from '@nestjs/passport';
3
4export const User = createParamDecorator((data, req) => {
5  return req.user;
6});
7	
8@Injectable()
9export class AuthInterceptor implements NestInterceptor {
10  intercept(context: ExecutionContext, call$: Observable<any>): Observable<any> {
11    const request = context.switchToHttp().getRequest();
12    const response = context.switchToHttp().getResponse();
13    const passportFn = this.createPassportContext(request, response);
14    return from(passportFn({}))
15      .pipe(map(user => request.user = user),
16        switchMap(() => call$),
17      );
18  }
19
20  createPassportContext(request, response) {
21    return (options) =>
22      new Promise((resolve, reject) =>
23        // If you are not using the JWT, change it here.
24        passport.authenticate('jwt', options, (err, user, info) => {
25          try {
26            request.authInfo = info;
27            return resolve(user);
28          } catch (err) {
29            reject(err);
30          }
31        })(request, response, err => (err ? reject(err) : resolve)),
32      );
33  }
34}
35	
36@Injectable()
37export class JwtStrategy extends PassportStrategy(Strategy) {
38  constructor(private readonly authService: AuthService) {
39    super({
40      jwtFromRequest: ExtractJwt.fromAuthHeaderAsBearerToken(),
41      secretOrKey: 'secretKey',
42    });
43  }
44
45  async validate(payload) {
46    const user = await this.authService.validateUser(payload);
47    return user;
48  }
49}
50	
51@UseInterceptors(AuthInterceptor)
52@Get()
53getUser3(@User() user) {
54  return {user};
55}