feat: Organization operations like invite and accept

src/auth/guards/auth.guard.ts

@@ -10,6 +10,7 @@ import { JwtPayload } from '../types';
 import { Request } from 'express';
 import { Reflector } from '@nestjs/core';
 import { PUBLIC_KEY } from 'common/keys';
+import { UserService } from 'src/user/user.service';
 
 @Injectable()
 export class AuthGuard implements CanActivate {
@@ -17,6 +18,7 @@ export class AuthGuard implements CanActivate {
     private readonly reflector: Reflector,
     private readonly jwtService: JwtService,
     private readonly requestContext: RequestContextService,
+    private readonly userService: UserService,
   ) {}
 
   async canActivate(context: ExecutionContext) {
@@ -35,6 +37,10 @@ export class AuthGuard implements CanActivate {
       const payload: JwtPayload = await this.jwtService.verifyAsync(token, {
         secret: 'demo',
       });
+
+      // TODO: Redis + Org too, blacklist token
+      const userExists = await this.userService.findById(payload.userId);
+      if (!userExists) throw new UnauthorizedException();
       this.requestContext.set('user', payload);
 
       return true;