ui/src/app/_guards/restore-password-allowed.can-activate.guard.ts

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

import { Injectable } from '@angular/core';
import {
    ActivatedRouteSnapshot,
    Router,
    RouterStateSnapshot,
    UrlTree,
} from '@angular/router';
import { LoginService } from '../login/services/login.service';
import { Observable } from 'rxjs';
import { map } from 'rxjs/operators';

@Injectable()
export class RestorePasswordAllowedCanActivateGuard {
    constructor(
        private router: Router,
        private loginService: LoginService,
    ) {}

    canActivate(
        route: ActivatedRouteSnapshot,
        state: RouterStateSnapshot,
    ):
        | Observable<boolean | UrlTree>
        | Promise<boolean | UrlTree>
        | boolean
        | UrlTree {
        return this.loginService
            .fetchLoginSettings()
            .pipe(
                map(config =>
                    config.allowPasswordRecovery
                        ? true
                        : this.router.parseUrl('login'),
                ),
            );
    }
}