ip filter middleware

🎇middleware 작성

@Injectable()
export class IpFilterMiddleware implements NestMiddleware {
  use(req: Request, res: Response, next: NextFunction) {
    let allowIps: string[] = [];

    if (process.env.NODE_ENV == 'local') {
      allowIps = ['127.0.0.1'];
    }

    if (!allowIps.includes(req.ip.toString())) {
      throw new UnauthorizedException('invalid ip');
    }
    next();
  }
}

🎇 middleware 주입

# app.module.ts

...

export class AppModule implements NestModule {
  configure(consumer: MiddlewareConsumer) {
    consumer.apply(IpFilterMiddleware).forRoutes('/**');
  }
}