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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2021 (original work) Open Assessment Technologies SA; |
| 19 | */ |
| 20 | |
| 21 | declare(strict_types=1); |
| 22 | |
| 23 | namespace oat\tao\model\media\mapper; |
| 24 | |
| 25 | use oat\oatbox\service\ConfigurableService; |
| 26 | use oat\tao\model\accessControl\AccessControlEnablerInterface; |
| 27 | use oat\tao\model\accessControl\PermissionChecker; |
| 28 | use oat\tao\model\accessControl\PermissionCheckerInterface; |
| 29 | |
| 30 | class MediaBrowserPermissionsMapper extends ConfigurableService implements |
| 31 | AccessControlEnablerInterface, |
| 32 | MediaBrowserMapperInterface |
| 33 | { |
| 34 | protected const DATA_PERMISSIONS = 'permissions'; |
| 35 | |
| 36 | /** @var PermissionCheckerInterface */ |
| 37 | private $permissionChecker; |
| 38 | |
| 39 | /** @var bool */ |
| 40 | private $enableAccessControl; |
| 41 | |
| 42 | public function enableAccessControl(): AccessControlEnablerInterface |
| 43 | { |
| 44 | $this->enableAccessControl = true; |
| 45 | |
| 46 | return $this; |
| 47 | } |
| 48 | |
| 49 | public function map(array $data, string $resourceUri): array |
| 50 | { |
| 51 | $data[self::DATA_PERMISSIONS] = []; |
| 52 | |
| 53 | if ($this->hasReadAccess($resourceUri)) { |
| 54 | $data[self::DATA_PERMISSIONS][] = PermissionCheckerInterface::PERMISSION_READ; |
| 55 | } |
| 56 | |
| 57 | if ($this->hasWriteAccess($resourceUri)) { |
| 58 | $data[self::DATA_PERMISSIONS][] = PermissionCheckerInterface::PERMISSION_WRITE; |
| 59 | } |
| 60 | |
| 61 | return $data; |
| 62 | } |
| 63 | |
| 64 | protected function hasReadAccess(string $uri): bool |
| 65 | { |
| 66 | return $this->isAccessControlEnabled() |
| 67 | ? $this->getPermissionChecker()->hasReadAccess($uri) |
| 68 | : true; |
| 69 | } |
| 70 | |
| 71 | protected function hasWriteAccess(string $uri): bool |
| 72 | { |
| 73 | return $this->isAccessControlEnabled() |
| 74 | ? $this->getPermissionChecker()->hasWriteAccess($uri) |
| 75 | : true; |
| 76 | } |
| 77 | |
| 78 | private function getPermissionChecker(): PermissionCheckerInterface |
| 79 | { |
| 80 | if (!$this->permissionChecker) { |
| 81 | $this->permissionChecker = $this->getServiceLocator()->get(PermissionChecker::class); |
| 82 | } |
| 83 | |
| 84 | return $this->permissionChecker; |
| 85 | } |
| 86 | |
| 87 | private function isAccessControlEnabled(): bool |
| 88 | { |
| 89 | return $this->enableAccessControl === true; |
| 90 | } |
| 91 | } |