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   1  <?php
   2  /**
   3  *
   4  * This file is part of the phpBB Forum Software package.
   5  *
   6  * @copyright (c) phpBB Limited <https://www.phpbb.com>
   7  * @license GNU General Public License, version 2 (GPL-2.0)
   8  *
   9  * For full copyright and license information, please see
  10  * the docs/CREDITS.txt file.
  11  *
  12  */
  13  
  14  namespace phpbb\db\migration\data\v33x;
  15  
  16  class remove_orphaned_roles extends \phpbb\db\migration\migration
  17  {
  18  	static public function depends_on()
  19      {
  20          return ['\phpbb\db\migration\data\v33x\v335'];
  21      }
  22  
  23  	public function update_data()
  24      {
  25          return [
  26              ['custom', [[$this, 'acl_remove_orphaned_roles']]],
  27          ];
  28      }
  29  
  30  	public function acl_remove_orphaned_roles()
  31      {
  32          $role_ids = [];
  33          $auth_role_ids = [];
  34  
  35          $sql = 'SELECT auth_role_id
  36              FROM ' . ACL_GROUPS_TABLE . '
  37              WHERE auth_role_id <> 0
  38                  AND forum_id = 0';
  39          $result = $this->db->sql_query($sql);
  40          while ($row = $this->db->sql_fetchrow($result))
  41          {
  42              $auth_role_ids[] = $row['auth_role_id'];
  43          }
  44          $this->db->sql_freeresult($result);
  45  
  46          if (count($auth_role_ids))
  47          {
  48              $sql = 'SELECT role_id
  49                  FROM ' . ACL_ROLES_TABLE . '
  50                  WHERE ' . $this->db->sql_in_set('role_id', $auth_role_ids);
  51              $result = $this->db->sql_query($sql);
  52              while ($row = $this->db->sql_fetchrow($result))
  53              {
  54                  $role_ids[] = $row['role_id'];
  55              }
  56              $this->db->sql_freeresult($result);
  57          }
  58  
  59          $non_existent_role_ids = array_diff($auth_role_ids, $role_ids);
  60  
  61          // Nothing to do, there are no non-existent roles assigned to groups
  62          if (empty($non_existent_role_ids))
  63          {
  64              return true;
  65          }
  66  
  67          // Remove assigned non-existent roles from users and groups
  68          $sql = 'DELETE FROM ' . ACL_USERS_TABLE . '
  69              WHERE ' . $this->db->sql_in_set('auth_role_id', $non_existent_role_ids);
  70          $this->db->sql_query($sql);
  71  
  72          $sql = 'DELETE FROM ' . ACL_GROUPS_TABLE . '
  73              WHERE ' . $this->db->sql_in_set('auth_role_id', $non_existent_role_ids);
  74          $this->db->sql_query($sql);
  75  
  76          $auth = new \phpbb\auth\auth();
  77          $auth->acl_clear_prefetch();
  78  
  79          return true;
  80      }
  81  }