<?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\Attachments\AttachmentType;
use App\Entity\Devices\Device;
use App\Entity\Parts\Category;
use App\Entity\Parts\Footprint;
use App\Entity\Parts\Manufacturer;
use App\Entity\Parts\MeasurementUnit;
use App\Entity\Parts\Storelocation;
use App\Entity\Parts\Supplier;
use App\Entity\PriceInformations\Currency;
use App\Entity\UserSystem\User;
use function get_class;
use function is_object;
class StructureVoter extends ExtendedVoter
{
protected const OBJ_PERM_MAP = [
AttachmentType::class => 'attachment_types',
Category::class => 'categories',
Device::class => 'devices',
Footprint::class => 'footprints',
Manufacturer::class => 'manufacturers',
Storelocation::class => 'storelocations',
Supplier::class => 'suppliers',
Currency::class => 'currencies',
MeasurementUnit::class => 'measurement_units',
];
/**
* 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, $subject)
{
if (is_object($subject) || is_string($subject)) {
$permission_name = $this->instanceToPermissionName($subject);
//If permission name is null, then the subject is not supported
return (null !== $permission_name) && $this->resolver->isValidOperation($permission_name, $attribute);
}
return false;
}
/**
* Maps a instance type to the permission name.
*
* @param object|string $subject The subject for which the permission name should be generated
*
* @return string|null the name of the permission for the subject's type or null, if the subject is not supported
*/
protected function instanceToPermissionName($subject): ?string
{
if (!is_string($subject)) {
$class_name = get_class($subject);
} else {
$class_name = $subject;
}
//If it is existing in index, we can skip the loop
if (isset(static::OBJ_PERM_MAP[$class_name])) {
return static::OBJ_PERM_MAP[$class_name];
}
foreach (static::OBJ_PERM_MAP as $class => $ret) {
if (is_a($class_name, $class, true)) {
return $ret;
}
}
return null;
}
/**
* 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
{
$permission_name = $this->instanceToPermissionName($subject);
//Just resolve the permission
return $this->resolver->inherit($user, $permission_name, $attribute) ?? false;
}
}