<?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 function in_array;
class UserVoter extends ExtendedVoter
{
/**
* Determines if the attribute and subject are supported by this voter.
*
* @param string $attribute An attribute
* @param mixed $subject The subject to secure, e.g. an object the user wants to access or any other PHP type
*
* @return bool True if the attribute and subject are supported, false otherwise
*/
protected function supports($attribute, $subject)
{
if (is_a($subject, User::class, true)) {
return in_array($attribute, array_merge(
$this->resolver->listOperationsForPermission('users'),
$this->resolver->listOperationsForPermission('self')),
false
);
}
return false;
}
/**
* 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 $attribute
*/
protected function voteOnUser($attribute, $subject, User $user): bool
{
//Check if the checked user is the user itself
if (($subject instanceof User) && $subject->getID() === $user->getID() &&
$this->resolver->isValidOperation('self', $attribute)) {
//Then we also need to check the self permission
$tmp = $this->resolver->inherit($user, 'self', $attribute) ?? false;
//But if the self value is not allowed then use just the user value:
if ($tmp) {
return $tmp;
}
}
//Else just check users permission:
if ($this->resolver->isValidOperation('users', $attribute)) {
return $this->resolver->inherit($user, 'users', $attribute) ?? false;
}
return false;
}
}