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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\taoMediaManager\model\accessControl; |
| 24 | |
| 25 | use oat\oatbox\user\User; |
| 26 | use oat\tao\model\accessControl\ActionAccessControl; |
| 27 | use oat\tao\model\accessControl\Context; |
| 28 | use oat\tao\model\accessControl\PermissionChecker; |
| 29 | use oat\taoMediaManager\controller\MediaImport; |
| 30 | use oat\taoMediaManager\controller\MediaManager; |
| 31 | use core_kernel_classes_Resource as Resource; |
| 32 | |
| 33 | class MediaPermissionService |
| 34 | { |
| 35 | /** @var ActionAccessControl */ |
| 36 | private $actionAccessControl; |
| 37 | |
| 38 | /** @var PermissionChecker */ |
| 39 | private $permissionChecker; |
| 40 | |
| 41 | public function __construct(ActionAccessControl $actionAcl, PermissionChecker $permissionChecker) |
| 42 | { |
| 43 | $this->actionAccessControl = $actionAcl; |
| 44 | $this->permissionChecker = $permissionChecker; |
| 45 | } |
| 46 | |
| 47 | public function isAllowedToEditResource(Resource $resource, User $user = null): bool |
| 48 | { |
| 49 | $editContext = new Context([ |
| 50 | Context::PARAM_CONTROLLER => MediaManager::class, |
| 51 | Context::PARAM_ACTION => 'editInstance', |
| 52 | Context::PARAM_USER => $user |
| 53 | ]); |
| 54 | |
| 55 | return $this->permissionChecker->hasWriteAccess($resource->getUri(), $user) |
| 56 | && $this->actionAccessControl->contextHasWriteAccess($editContext); |
| 57 | } |
| 58 | |
| 59 | public function isAllowedToEditMedia(User $user = null): bool |
| 60 | { |
| 61 | $editContext = new Context([ |
| 62 | Context::PARAM_CONTROLLER => MediaImport::class, |
| 63 | Context::PARAM_ACTION => 'editMedia', |
| 64 | Context::PARAM_USER => $user |
| 65 | ]); |
| 66 | |
| 67 | return $this->actionAccessControl->contextHasWriteAccess($editContext); |
| 68 | } |
| 69 | |
| 70 | public function isAllowedToPreview(User $user = null): bool |
| 71 | { |
| 72 | $previewContext = new Context([ |
| 73 | Context::PARAM_CONTROLLER => MediaManager::class, |
| 74 | Context::PARAM_ACTION => 'isPreviewEnabled', |
| 75 | Context::PARAM_USER => $user |
| 76 | ]); |
| 77 | |
| 78 | return $this->actionAccessControl->contextHasReadAccess($previewContext); |
| 79 | } |
| 80 | } |