Part-DB.Part-DB-server/src/Security/UserChecker.php

<?php
/**
 *
 * part-db version 0.1
 * Copyright (C) 2005 Christoph Lechner
 * http://www.cl-projects.de/
 *
 * part-db version 0.2+
 * Copyright (C) 2009 K. Jacobs and others (see authors.php)
 * http://code.google.com/p/part-db/
 *
 * Part-DB Version 0.4+
 * Copyright (C) 2016 - 2019 Jan Böhmer
 * https://github.com/jbtronics
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 *
 */

namespace App\Security;


use App\Entity\UserSystem\User;
use Symfony\Component\Security\Core\Exception\AccountStatusException;
use Symfony\Component\Security\Core\Exception\DisabledException;
use Symfony\Component\Security\Core\User\UserCheckerInterface;
use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Contracts\Translation\TranslatorInterface;
use Throwable;

class UserChecker implements UserCheckerInterface
{
    protected $translator;

    public function __construct(TranslatorInterface $translator)
    {
        $this->translator = $translator;
    }

    /**
     * Checks the user account before authentication.
     *
     * @throws AccountStatusException
     */
    public function checkPreAuth(UserInterface $user)
    {
        // TODO: Implement checkPreAuth() method.
    }

    /**
     * Checks the user account after authentication.
     *
     * @throws AccountStatusException
     */
    public function checkPostAuth(UserInterface $user)
    {
        if (!$user instanceof User) {
            return;
        }

        //Check if user is disabled. Then dont allow login
        if ($user->isDisabled()) {
            throw new DisabledException();
        }
    }
}