maintenance/deleteDefaultMessages.php

   1 <?php
   2 /**
   3  * Deletes all pages in the MediaWiki namespace which were last edited by
   4  * "MediaWiki default".
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19  * http://www.gnu.org/copyleft/gpl.html
  20  *
  21  * @file
  22  * @ingroup Maintenance
  23  */
  24
  25 require_once __DIR__ . '/Maintenance.php';
  26
  27 /**
  28  * Maintenance script that deletes all pages in the MediaWiki namespace
  29  * which were last edited by "MediaWiki default".
  30  *
  31  * @ingroup Maintenance
  32  */
  33 class DeleteDefaultMessages extends Maintenance {
  34         public function __construct() {
  35                 parent::__construct();
  36                 $this->addDescription( 'Deletes all pages in the MediaWiki namespace' .
  37                         ' which were last edited by "MediaWiki default"' );
  38         }
  39
  40         public function execute() {
  41                 global $wgUser;
  42
  43                 $this->output( "Checking existence of old default messages..." );
  44                 $dbr = $this->getDB( DB_SLAVE );
  45                 $res = $dbr->select( [ 'page', 'revision' ],
  46                         [ 'page_namespace', 'page_title' ],
  47                         [
  48                                 'page_namespace' => NS_MEDIAWIKI,
  49                                 'page_latest=rev_id',
  50                                 'rev_user_text' => 'MediaWiki default',
  51                         ]
  52                 );
  53
  54                 if ( $dbr->numRows( $res ) == 0 ) {
  55                         # No more messages left
  56                         $this->output( "done.\n" );
  57
  58                         return;
  59                 }
  60
  61                 # Deletions will be made by $user temporarly added to the bot group
  62                 # in order to hide it in RecentChanges.
  63                 $user = User::newFromName( 'MediaWiki default' );
  64                 if ( !$user ) {
  65                         $this->error( "Invalid username", true );
  66                 }
  67                 $user->addGroup( 'bot' );
  68                 $wgUser = $user;
  69
  70                 # Handle deletion
  71                 $this->output( "\n...deleting old default messages (this may take a long time!)...", 'msg' );
  72                 $dbw = $this->getDB( DB_MASTER );
  73
  74                 foreach ( $res as $row ) {
  75                         wfWaitForSlaves();
  76                         $dbw->ping();
  77                         $title = Title::makeTitle( $row->page_namespace, $row->page_title );
  78                         $page = WikiPage::factory( $title );
  79                         $error = ''; // Passed by ref
  80                         // FIXME: Deletion failures should be reported, not silently ignored.
  81                         $page->doDeleteArticle( 'No longer required', false, 0, true, $error, $user );
  82                 }
  83
  84                 $this->output( "done!\n", 'msg' );
  85         }
  86 }
  87
  88 $maintClass = "DeleteDefaultMessages";
  89 require_once RUN_MAINTENANCE_IF_MAIN;