firefly-iii/app/Http/Controllers/Auth/ConfirmPasswordController.php

<?php

/**
 * ConfirmPasswordController.php
 * Copyright (c) 2020 james@firefly-iii.org
 *
 * This file is part of Firefly III (https://github.com/firefly-iii).
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace FireflyIII\Http\Controllers\Auth;

use FireflyIII\Exceptions\FireflyException;
use FireflyIII\Http\Controllers\Controller;
use FireflyIII\Providers\RouteServiceProvider;
use Illuminate\Foundation\Auth\ConfirmsPasswords;

/**
 * Class ConfirmPasswordController
 */
class ConfirmPasswordController extends Controller
{
    /*
    |--------------------------------------------------------------------------
    | Confirm Password Controller
    |--------------------------------------------------------------------------
    |
    | This controller is responsible for handling password confirmations and
    | uses a simple trait to include the behavior. You're free to explore
    | this trait and override any functions that require customization.
    |
    */

    use ConfirmsPasswords;

    /**
     * Where to redirect users when the intended url fails.
     *
     * @var string
     */
    protected $redirectTo = RouteServiceProvider::HOME;

    /**
     * Create a new controller instance.
     *
     * @throws FireflyException
     */
    public function __construct()
    {
        parent::__construct();
        $this->middleware('auth');

        if ('web' !== config('firefly.authentication_guard')) {
            throw new FireflyException('Using external identity provider. Cannot continue.');
        }
    }
}