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- <?php
- namespace Drupal\media;
- use Drupal\Core\Access\AccessResult;
- use Drupal\Core\Entity\EntityAccessControlHandler;
- use Drupal\Core\Entity\EntityInterface;
- use Drupal\Core\Session\AccountInterface;
- /**
- * Defines an access control handler for media items.
- */
- class MediaAccessControlHandler extends EntityAccessControlHandler {
- /**
- * {@inheritdoc}
- */
- protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
- if ($account->hasPermission('administer media')) {
- return AccessResult::allowed()->cachePerPermissions();
- }
- $type = $entity->bundle();
- $is_owner = ($account->id() && $account->id() === $entity->getOwnerId());
- switch ($operation) {
- case 'view':
- $access_result = AccessResult::allowedIf($account->hasPermission('view media') && $entity->isPublished())
- ->cachePerPermissions()
- ->addCacheableDependency($entity);
- if (!$access_result->isAllowed()) {
- $access_result->setReason("The 'view media' permission is required and the media item must be published.");
- }
- return $access_result;
- case 'update':
- if ($account->hasPermission('edit any ' . $type . ' media')) {
- return AccessResult::allowed()->cachePerPermissions();
- }
- if ($account->hasPermission('edit own ' . $type . ' media') && $is_owner) {
- return AccessResult::allowed()->cachePerPermissions()->cachePerUser()->addCacheableDependency($entity);
- }
- // @todo Deprecate this permission in
- // https://www.drupal.org/project/drupal/issues/2925459.
- if ($account->hasPermission('update any media')) {
- return AccessResult::allowed()->cachePerPermissions();
- }
- if ($account->hasPermission('update media') && $is_owner) {
- return AccessResult::allowed()->cachePerPermissions()->cachePerUser()->addCacheableDependency($entity);
- }
- return AccessResult::neutral("The following permissions are required: 'update any media' OR 'update own media' OR '$type: edit any media' OR '$type: edit own media'.")->cachePerPermissions();
- case 'delete':
- if ($account->hasPermission('delete any ' . $type . ' media')) {
- return AccessResult::allowed()->cachePerPermissions();
- }
- if ($account->hasPermission('delete own ' . $type . ' media') && $is_owner) {
- return AccessResult::allowed()->cachePerPermissions()->cachePerUser()->addCacheableDependency($entity);
- }
- // @todo Deprecate this permission in
- // https://www.drupal.org/project/drupal/issues/2925459.
- if ($account->hasPermission('delete any media')) {
- return AccessResult::allowed()->cachePerPermissions();
- }
- if ($account->hasPermission('delete media') && $is_owner) {
- return AccessResult::allowed()->cachePerPermissions()->cachePerUser()->addCacheableDependency($entity);
- }
- return AccessResult::neutral("The following permissions are required: 'delete any media' OR 'delete own media' OR '$type: delete any media' OR '$type: delete own media'.")->cachePerPermissions();
- default:
- return AccessResult::neutral()->cachePerPermissions();
- }
- }
- /**
- * {@inheritdoc}
- */
- protected function checkCreateAccess(AccountInterface $account, array $context, $entity_bundle = NULL) {
- $permissions = [
- 'administer media',
- 'create media',
- 'create ' . $entity_bundle . ' media',
- ];
- return AccessResult::allowedIfHasPermissions($account, $permissions, 'OR');
- }
- }
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