www.aleph1.co.uk Git - yaffs-website/blob - web/modules/contrib/entity/src/UncacheableEntityAccessControlHandler.php

   1 <?php
   2
   3 namespace Drupal\entity;
   4
   5 use Drupal\Core\Access\AccessResult;
   6 use Drupal\Core\Entity\EntityInterface;
   7 use Drupal\Core\Entity\EntityPublishedInterface;
   8 use Drupal\Core\Entity\EntityTypeInterface;
   9 use Drupal\Core\Session\AccountInterface;
  10
  11 /**
  12  * Controls access based on the uncacheable entity permissions.
  13  *
  14  * @see \Drupal\entity\UncacheableEntityPermissionProvider
  15  *
  16  * Note: this access control handler will cause pages to be cached per user.
  17  */
  18 class UncacheableEntityAccessControlHandler extends EntityAccessControlHandlerBase {
  19
  20   /**
  21    * {@inheritdoc}
  22    */
  23   public function __construct(EntityTypeInterface $entity_type) {
  24     parent::__construct($entity_type);
  25
  26     if (!$entity_type->hasHandlerClass('permission_provider') || !is_a($entity_type->getHandlerClass('permission_provider'), UncacheableEntityPermissionProvider::class, TRUE)) {
  27       throw new \Exception('\Drupal\entity\UncacheableEntityAccessControlHandler requires the \Drupal\entity\UncacheableEntityPermissionProvider permission provider.');
  28     }
  29   }
  30
  31   /**
  32    * {@inheritdoc}
  33    */
  34   protected function checkEntityOwnerPermissions(EntityInterface $entity, $operation, AccountInterface $account) {
  35     /** @var \Drupal\user\EntityOwnerInterface $entity */
  36     if ($operation === 'view' && $entity instanceof EntityPublishedInterface && !$entity->isPublished()) {
  37       if ($account->id() != $entity->getOwnerId()) {
  38         // There's no permission for viewing other user's unpublished entity.
  39         return AccessResult::neutral()->cachePerUser();
  40       }
  41
  42       $permissions = [
  43         "view own unpublished {$entity->getEntityTypeId()}",
  44       ];
  45       $result = AccessResult::allowedIfHasPermissions($account, $permissions)->cachePerUser();
  46     }
  47     else {
  48       $result = parent::checkEntityOwnerPermissions($entity, $operation, $account);
  49     }
  50
  51     return $result;
  52   }
  53
  54 }