diff core/modules/media/src/MediaAccessControlHandler.php @ 0:c75dbcec494b

Initial commit from drush-created site

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/media/src/MediaAccessControlHandler.php	Thu Jul 05 14:24:15 2018 +0000
@@ -0,0 +1,86 @@
+<?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()->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()->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');
+  }
+
+}