LocChat/server/providers/guards/gatewayauth.guard.ts
2022-03-08 18:18:38 -07:00

28 lines
950 B
TypeScript

import { Injectable, CanActivate, ExecutionContext } from '@nestjs/common';
import { JwtService } from '../services/jwt.service';
import { GuardUtil } from '../util/guard.util';
import { Socket } from 'socket.io';
import { WsException } from '@nestjs/websockets';
@Injectable()
export class GatewayAuthGuard implements CanActivate {
constructor(private guardUtil: GuardUtil, private jwtService: JwtService) {}
canActivate(context: ExecutionContext) {
// Handlers and Controllers can both skip this guard in the event that
if (this.guardUtil.shouldSkip(this, context)) {
return true;
}
const req = context.switchToHttp().getRequest() as Socket;
const jwt = req.handshake.auth.token;
if (!jwt) throw new WsException('Invalid auth token');
try {
req.handshake.auth.jwtBody = this.jwtService.parseToken(jwt);
} catch (e) {
throw new WsException('Invalid auth token');
}
return true;
}
}