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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) 2020 (original work) Open Assessment Technologies SA; |
| 19 | * |
| 20 | */ |
| 21 | |
| 22 | declare(strict_types=1); |
| 23 | |
| 24 | namespace oat\taoDacSimple\model; |
| 25 | |
| 26 | class SavePermissionsStrategy extends PermissionsStrategyAbstract |
| 27 | { |
| 28 | public function normalizeRequest(array $currentPrivileges, array $privilegesToSet): array |
| 29 | { |
| 30 | return $this->getDeltaPermissions($currentPrivileges, $privilegesToSet); |
| 31 | } |
| 32 | |
| 33 | public function getPermissionsToAdd(array $currentPrivileges, array $addRemove): array |
| 34 | { |
| 35 | if (empty($addRemove['add'])) { |
| 36 | return []; |
| 37 | } |
| 38 | |
| 39 | $permissionsToAdd = $addRemove['add']; |
| 40 | |
| 41 | foreach ($permissionsToAdd as $userId => &$permissionToAdd) { |
| 42 | $permissionsCount = count($permissionToAdd); |
| 43 | |
| 44 | if ($permissionsCount < 3) { |
| 45 | $mandatoryFields = []; |
| 46 | |
| 47 | // check attempt to add only one permission which depend on other (w on r, g on w and r) and add |
| 48 | // dependent permissions if necessary |
| 49 | |
| 50 | if (in_array(PermissionProvider::PERMISSION_GRANT, $permissionToAdd, true)) { |
| 51 | $mandatoryFields = [PermissionProvider::PERMISSION_WRITE, PermissionProvider::PERMISSION_READ]; |
| 52 | } elseif (in_array(PermissionProvider::PERMISSION_WRITE, $permissionToAdd, true)) { |
| 53 | $mandatoryFields = [PermissionProvider::PERMISSION_READ]; |
| 54 | } |
| 55 | |
| 56 | $permissionToAdd = array_values(array_diff( |
| 57 | array_unique(array_merge($permissionToAdd, $mandatoryFields)), |
| 58 | $currentPrivileges[$userId] ?? [] |
| 59 | )); |
| 60 | |
| 61 | if (empty($permissionToAdd)) { |
| 62 | unset($permissionsToAdd[$userId]); |
| 63 | } |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | return $permissionsToAdd; |
| 68 | } |
| 69 | |
| 70 | public function getPermissionsToRemove(array $currentPrivileges, array $addRemove): array |
| 71 | { |
| 72 | if (empty($addRemove['remove'])) { |
| 73 | return []; |
| 74 | } |
| 75 | |
| 76 | $permissionsToRemove = $addRemove['remove']; |
| 77 | |
| 78 | foreach ($permissionsToRemove as $userId => &$permissionToRemove) { |
| 79 | $mandatoryFields = []; |
| 80 | |
| 81 | if (in_array(PermissionProvider::PERMISSION_READ, $permissionToRemove, true)) { |
| 82 | $mandatoryFields = [PermissionProvider::PERMISSION_WRITE, PermissionProvider::PERMISSION_GRANT]; |
| 83 | } elseif (in_array(PermissionProvider::PERMISSION_WRITE, $permissionToRemove, true)) { |
| 84 | $mandatoryFields = [PermissionProvider::PERMISSION_GRANT]; |
| 85 | } |
| 86 | |
| 87 | $permissionToRemove = array_values(array_intersect( |
| 88 | array_unique(array_merge($permissionToRemove, $mandatoryFields)), |
| 89 | $currentPrivileges[$userId] ?? [] |
| 90 | )); |
| 91 | } |
| 92 | |
| 93 | return $permissionsToRemove; |
| 94 | } |
| 95 | } |