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[mediawiki.git] / maintenance / checkUsernames.php
blob7deca8017d80960a15979f2eede7b8dde83383ae
1 <?php
2 /**
3 * Check that database usernames are actually valid.
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.
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.
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
20 * @file
21 * @ingroup Maintenance
24 require_once __DIR__ . '/Maintenance.php';
26 /**
27 * Maintenance script to check that database usernames are actually valid.
29 * An existing usernames can become invalid if User::isValidUserName()
30 * is altered or if we change the $wgMaxNameChars
32 * @ingroup Maintenance
34 class CheckUsernames extends Maintenance {
36 public function __construct() {
37 parent::__construct();
38 $this->mDescription = "Verify that database usernames are actually valid";
39 $this->setBatchSize( 1000 );
42 function execute() {
43 $dbr = wfGetDB( DB_SLAVE );
45 $maxUserId = 0;
46 do {
47 $res = $dbr->select( 'user',
48 array( 'user_id', 'user_name' ),
49 array( 'user_id > ' . $maxUserId ),
50 __METHOD__,
51 array(
52 'ORDER BY' => 'user_id',
53 'LIMIT' => $this->mBatchSize,
57 foreach ( $res as $row ) {
58 if ( ! User::isValidUserName( $row->user_name ) ) {
59 $this->error( sprintf( "%s: %6d: '%s'\n", wfWikiID(), $row->user_id, $row->user_name ) );
60 wfDebugLog( 'checkUsernames', $row->user_name );
63 $maxUserId = $row->user_id;
64 } while( $res->numRows() );
68 $maintClass = "CheckUsernames";
69 require_once RUN_MAINTENANCE_IF_MAIN;