AccessPolicyBase.php

<?php

namespace Drupal\Core\Session;


/**
 * Base class for access policies.
 */
abstract class AccessPolicyBase implements AccessPolicyInterface {
  
  /**
   * {@inheritdoc}
   */
  public function applies(string $scope) : bool {
    return $scope === AccessPolicyInterface::SCOPE_DRUPAL;
  }
  
  /**
   * {@inheritdoc}
   */
  public function calculatePermissions(AccountInterface $account, string $scope) : RefinableCalculatedPermissionsInterface {
    return (new RefinableCalculatedPermissions())->addCacheContexts($this->getPersistentCacheContexts());
  }
  
  /**
   * {@inheritdoc}
   */
  public function alterPermissions(AccountInterface $account, string $scope, RefinableCalculatedPermissionsInterface $calculated_permissions) : void {
  }
  
  /**
   * {@inheritdoc}
   */
  public function getPersistentCacheContexts() : array {
    return [];
  }

}