maintenance/checkUsernames.php

   1 <?php
   2 /**
   3  * Check that database usernames are actually valid.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Maintenance
  22  */
  23
  24
  25 require_once( dirname( __FILE__ ) . '/Maintenance.php' );
  26
  27 /**
  28  * Maintenance script to check that database usernames are actually valid.
  29  *
  30  * An existing usernames can become invalid if User::isValidUserName()
  31  * is altered or if we change the $wgMaxNameChars
  32  *
  33  * @ingroup Maintenance
  34  */
  35 class CheckUsernames extends Maintenance {
  36
  37         public function __construct() {
  38                 parent::__construct();
  39                 $this->mDescription = "Verify that database usernames are actually valid";
  40         }
  41
  42         function execute() {
  43                 $dbr = wfGetDB( DB_SLAVE );
  44
  45                 $res = $dbr->select( 'user',
  46                         array( 'user_id', 'user_name' ),
  47                         null,
  48                         __METHOD__
  49                 );
  50
  51                 foreach ( $res as $row ) {
  52                         if ( ! User::isValidUserName( $row->user_name ) ) {
  53                                 $this->error( sprintf( "%s: %6d: '%s'\n", wfWikiID(), $row->user_id, $row->user_name ) );
  54                                 wfDebugLog( 'checkUsernames', $row->user_name );
  55                         }
  56                 }
  57         }
  58 }
  59
  60 $maintClass = "CheckUsernames";
  61 require_once( RUN_MAINTENANCE_IF_MAIN );