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<?php
/**
* Check that database usernames are actually valid.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Maintenance
*/
require_once __DIR__ . '/Maintenance.php';
/**
* Maintenance script to check that database usernames are actually valid.
*
* An existing usernames can become invalid if UserNameUtils::isValid()
* is altered or if we change the $wgMaxNameChars
*
* @ingroup Maintenance
*/
class CheckUsernames extends Maintenance {
public function __construct() {
parent::__construct();
$this->addDescription( 'Verify that database usernames are actually valid' );
$this->setBatchSize( 1000 );
}
public function execute() {
$dbr = $this->getReplicaDB();
$userNameUtils = $this->getServiceContainer()->getUserNameUtils();
$maxUserId = 0;
do {
$res = $dbr->newSelectQueryBuilder()
->select( [ 'user_id', 'user_name' ] )
->from( 'user' )
->where( 'user_id > ' . $maxUserId )
->orderBy( 'user_id' )
->limit( $this->getBatchSize() )
->caller( __METHOD__ )
->fetchResultSet();
foreach ( $res as $row ) {
if ( !$userNameUtils->isValid( $row->user_name ) ) {
$this->output( sprintf( "Found: %6d: '%s'\n", $row->user_id, $row->user_name ) );
wfDebugLog( 'checkUsernames', $row->user_name );
}
}
// @phan-suppress-next-line PhanPossiblyUndeclaredVariable $res has at at least one item
$maxUserId = $row->user_id;
} while ( $res->numRows() );
}
}
$maintClass = CheckUsernames::class;
require_once RUN_MAINTENANCE_IF_MAIN;
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