class SubscriberAccessControlHandler in Simplenews 8

Defines the access control handler for the simplenews subscriber entity type.

Hierarchy

• class \Drupal\Core\Entity\EntityHandlerBase uses DependencySerializationTrait, StringTranslationTrait
  • class \Drupal\Core\Entity\EntityAccessControlHandler implements EntityAccessControlHandlerInterface
    • class \Drupal\simplenews\SubscriberAccessControlHandler

See also

\Drupal\simplenews\Entity\Subscriber

File

src/SubscriberAccessControlHandler.php, line 17

Namespace

Drupal\simplenews

class SubscriberAccessControlHandler extends EntityAccessControlHandler {

  /**
   * {@inheritdoc}
   */
  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {

    // Administrators can view/update/delete all subscribers.
    if ($account
      ->hasPermission('administer simplenews subscriptions')) {
      return AccessResult::allowed()
        ->cachePerPermissions();
    }
    if ($operation != 'delete' && $entity
      ->getUserId()) {

      // For a subscription that corresponds to a user, access to view/update
      // is allowed for that user if they have permission. Don't allow users to
      // delete the subscription entirely, as we need to keep a record of the
      // subscription history.
      return AccessResult::allowedIf($entity
        ->getUserId() == $account
        ->id())
        ->andIf(AccessResult::allowedIfHasPermission($account, 'subscribe to newsletters'))
        ->addCacheableDependency($entity);
    }

    // Allow access to view subscribers based on the related permission.
    if ($operation == 'view') {
      return AccessResult::allowedIfHasPermission($account, 'view simplenews subscriptions');
    }

    // No opinion.
    return AccessResult::neutral();
  }

  /**
   * {@inheritdoc}
   */
  protected function checkFieldAccess($operation, FieldDefinitionInterface $field_definition, AccountInterface $account, FieldItemListInterface $items = NULL) {

    // Protect access to viewing the mail field.
    if ($field_definition
      ->getName() == 'mail' && $operation == 'view') {

      // Allow based on permissions.
      if ($account
        ->hasPermission('administer simplenews subscriptions') || $account
        ->hasPermission('view simplenews subscriptions')) {
        return AccessResult::allowed()
          ->cachePerPermissions();
      }

      // Users can view their own value.
      if ($account
        ->isAuthenticated() && $items && ($entity = $items
        ->getEntity()) && $entity
        ->getUserId() == $account
        ->id()) {
        return AccessResult::allowed()
          ->addCacheableDependency($entity);
      }

      // Otherwise don't give access.
      return AccessResult::neutral();
    }
    if ($operation == 'edit') {
      switch ($field_definition
        ->getName()) {
        case 'uid':

          // No edit access even for admins.
          return AccessResult::forbidden();
        case 'status':
        case 'created':

          // Only admin can edit.
          return AccessResult::allowedIfHasPermission($account, 'administer simplenews subscriptions');
        case 'mail':
        case 'langcode':

          // No edit access if 'uid' is set.
          if ($items && ($entity = $items
            ->getEntity()) && $entity
            ->getUserId()) {
            return AccessResult::forbidden();
          }
          break;
      }
    }
    return parent::checkFieldAccess($operation, $field_definition, $account, $items);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_entityStorages	protected	property	An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function		1
DependencySerializationTrait::__wakeup	public	function		2
EntityAccessControlHandler::$accessCache	protected	property	Stores calculated access check results.
EntityAccessControlHandler::$entityType	protected	property	Information about the entity type.
EntityAccessControlHandler::$entityTypeId	protected	property	The entity type ID of the access control handler instance.
EntityAccessControlHandler::$viewLabelOperation	protected	property	Allows to grant access to just the labels.	5
EntityAccessControlHandler::access	public	function	Checks access to an operation on a given entity or entity translation. Overrides EntityAccessControlHandlerInterface::access	1
EntityAccessControlHandler::checkCreateAccess	protected	function	Performs create access checks.	14
EntityAccessControlHandler::createAccess	public	function	Checks access to create an entity. Overrides EntityAccessControlHandlerInterface::createAccess	1
EntityAccessControlHandler::fieldAccess	public	function	Checks access to an operation on a given entity field. Overrides EntityAccessControlHandlerInterface::fieldAccess
EntityAccessControlHandler::getCache	protected	function	Tries to retrieve a previously cached access value from the static cache.
EntityAccessControlHandler::prepareUser	protected	function	Loads the current account object, if it does not exist yet.
EntityAccessControlHandler::processAccessHookResults	protected	function	We grant access to the entity if both of these conditions are met:
EntityAccessControlHandler::resetCache	public	function	Clears all cached access checks. Overrides EntityAccessControlHandlerInterface::resetCache
EntityAccessControlHandler::setCache	protected	function	Statically caches whether the given user has access.
EntityAccessControlHandler::__construct	public	function	Constructs an access control handler instance.	5
EntityHandlerBase::$moduleHandler	protected	property	The module handler to invoke hooks on.	2
EntityHandlerBase::moduleHandler	protected	function	Gets the module handler.	2
EntityHandlerBase::setModuleHandler	public	function	Sets the module handler for this handler.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
SubscriberAccessControlHandler::checkAccess	protected	function	Performs access checks. Overrides EntityAccessControlHandler::checkAccess
SubscriberAccessControlHandler::checkFieldAccess	protected	function	Default field access as determined by this access control handler. Overrides EntityAccessControlHandler::checkFieldAccess