includes/exception/PermissionsError.php

   1 <?php
   2 /**
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  * http://www.gnu.org/copyleft/gpl.html
  17  *
  18  * @file
  19  */
  20
  21 /**
  22  * Show an error when a user tries to do something they do not have the necessary
  23  * permissions for.
  24  *
  25  * @since 1.18
  26  * @ingroup Exception
  27  */
  28 class PermissionsError extends ErrorPageError {
  29         public $permission, $errors;
  30
  31         /**
  32          * @param string $permission A permission name.
  33          * @param string[] $errors Error message keys
  34          */
  35         public function __construct( $permission, $errors = [] ) {
  36                 global $wgLang;
  37
  38                 $this->permission = $permission;
  39
  40                 if ( !count( $errors ) ) {
  41                         $groups = array_map(
  42                                 [ 'User', 'makeGroupLinkWiki' ],
  43                                 User::getGroupsWithPermission( $this->permission )
  44                         );
  45
  46                         if ( $groups ) {
  47                                 $errors[] = [ 'badaccess-groups', $wgLang->commaList( $groups ), count( $groups ) ];
  48                         } else {
  49                                 $errors[] = [ 'badaccess-group0' ];
  50                         }
  51                 }
  52
  53                 $this->errors = $errors;
  54         }
  55
  56         public function report() {
  57                 global $wgOut;
  58
  59                 $wgOut->showPermissionsErrorPage( $this->errors, $this->permission );
  60                 $wgOut->output();
  61         }
  62 }