Add web interface with admin functionality (#167)

server/src/middlewares/admin-role-guard.middleware.ts

@@ -0,0 +1,30 @@
+import { Injectable, CanActivate, ExecutionContext } from '@nestjs/common';
+import { Reflector } from '@nestjs/core';
+import { JwtService } from '@nestjs/jwt';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Repository } from 'typeorm';
+import { UserEntity } from '../api-v1/user/entities/user.entity';
+import { ImmichJwtService } from '../modules/immich-jwt/immich-jwt.service';
+
+@Injectable()
+export class AdminRolesGuard implements CanActivate {
+  constructor(private reflector: Reflector, private jwtService: ImmichJwtService,
+    @InjectRepository(UserEntity)
+    private userRepository: Repository<UserEntity>,
+  ) { }
+
+  async canActivate(context: ExecutionContext): Promise<boolean> {
+    const request = context.switchToHttp().getRequest();
+
+    if (request.headers['authorization']) {
+      const bearerToken = request.headers['authorization'].split(" ")[1]
+      const { userId } = await this.jwtService.validateToken(bearerToken);
+
+      const user = await this.userRepository.findOne(userId);
+
+      return user.isAdmin;
+    }
+
+    return false;
+  }
+}