<?php
/**
* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
*
* Copyright (C) 2019 - 2020 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 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);
/**
* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
*
* Copyright (C) 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\Voter;
use App\Entity\UserSystem\User;
use App\Repository\UserRepository;
use App\Services\PermissionResolver;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Authorization\Voter\Voter;
/**
* The purpose of this class is, to use the anonymous user from DB in the case, that nobody is logged in.
*/
abstract class ExtendedVoter extends Voter
{
protected $entityManager;
/**
* @var PermissionResolver
*/
protected $resolver;
public function __construct(PermissionResolver $resolver, EntityManagerInterface $entityManager)
{
$this->resolver = $resolver;
$this->entityManager = $entityManager;
}
final protected function voteOnAttribute($attribute, $subject, TokenInterface $token): bool
{
$user = $token->getUser();
//An allowed user is not allowed to do anything...
if ($user instanceof User && $user->isDisabled()) {
return false;
}
// if the user is anonymous, we use the anonymous user.
if (!$user instanceof User) {
/** @var UserRepository $repo */
$repo = $this->entityManager->getRepository(User::class);
$user = $repo->getAnonymousUser();
if (null === $user) {
return false;
}
}
return $this->voteOnUser($attribute, $subject, $user);
}
/**
* Similar to voteOnAttribute, but checking for the anonymous user is already done.
* The current user (or the anonymous user) is passed by $user.
*
* @param string $attribute
*/
abstract protected function voteOnUser($attribute, $subject, User $user): bool;
}