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<?php
require_once __DIR__ . '/Maintenance.php';
/**
* A script to remove emails that are invalid from
* the user_email column of the user table. Emails
* are validated before users can add them, but
* this was not always the case so older users may
* have invalid ones.
*
* By default it does a dry-run, pass --commit
* to actually update the database.
*/
class RemoveInvalidEmails extends Maintenance {
private $commit = false;
public function __construct() {
parent::__construct();
$this->addOption( 'commit', 'Whether to actually update the database', false, false );
$this->setBatchSize( 500 );
}
public function execute() {
$this->commit = $this->hasOption( 'commit' );
$dbr = $this->getDB( DB_SLAVE );
$dbw = $this->getDB( DB_MASTER );
$lastId = 0;
do {
$rows = $dbr->select(
'user',
array( 'user_id', 'user_email' ),
array(
'user_id > ' . $dbr->addQuotes( $lastId ),
'user_email != ""',
'user_email_authenticated IS NULL'
),
__METHOD__,
array( 'LIMIT' => $this->mBatchSize )
);
$count = $rows->numRows();
$badIds = array();
foreach ( $rows as $row ) {
if ( !Sanitizer::validateEmail( trim( $row->user_email ) ) ) {
$this->output( "Found bad email: {$row->user_email} for user #{$row->user_id}\n" );
$badIds[] = $row->user_id;
}
if ( $row->user_id > $lastId ) {
$lastId = $row->user_id;
}
}
if ( $badIds ) {
$badCount = count( $badIds );
if ( $this->commit ) {
$this->output( "Removing $badCount emails from the database.\n" );
$dbw->update(
'user',
array( 'user_email' => '' ),
array( 'user_id' => $badIds ),
__METHOD__
);
foreach ( $badIds as $badId ) {
User::newFromId( $badId )->invalidateCache();
}
wfWaitForSlaves();
} else {
$this->output( "Would have removed $badCount emails from the database.\n" );
}
}
} while ( $count !== 0 );
$this->output( "Done.\n" );
}
}
$maintClass = 'RemoveInvalidEmails';
require_once RUN_MAINTENANCE_IF_MAIN;
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