vendor/zendframework/zend-permissions-acl/src/Assertion/OwnershipAssertion.php

   1 <?php
   2 /**
   3  * @see       https://github.com/zendframework/zend-permissions-acl for the canonical source repository
   4  * @copyright Copyright (c) 2018 Zend Technologies USA Inc. (https://www.zend.com)
   5  * @license   https://github.com/zendframework/zend-permissions-acl/blob/master/LICENSE.md New BSD License
   6  */
   7
   8 namespace Zend\Permissions\Acl\Assertion;
   9
  10 use Zend\Permissions\Acl\Acl;
  11 use Zend\Permissions\Acl\Role\RoleInterface;
  12 use Zend\Permissions\Acl\Resource\ResourceInterface;
  13 use Zend\Permissions\Acl\ProprietaryInterface;
  14
  15 /**
  16  * Makes sure that some Resource is owned by certain Role.
  17  */
  18 class OwnershipAssertion implements AssertionInterface
  19 {
  20     public function assert(Acl $acl, RoleInterface $role = null, ResourceInterface $resource = null, $privilege = null)
  21     {
  22         //Assert passes if role or resource is not proprietary
  23         if (! $role instanceof ProprietaryInterface || ! $resource instanceof ProprietaryInterface) {
  24             return true;
  25         }
  26
  27         //Assert passes if resources does not have an owner
  28         if ($resource->getOwnerId() === null) {
  29             return true;
  30         }
  31
  32         return ($resource->getOwnerId() === $role->getOwnerId());
  33     }
  34 }