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<?php
/**
* Scan the deletion log and purges affected files within a timeframe.
*
* 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 that scans the deletion log and purges affected files
* within a timeframe.
*
* @ingroup Maintenance
*/
class PurgeDeletedFiles extends Maintenance {
public function __construct() {
parent::__construct();
$this->mDescription = "Scan the logging table and purge files that where deleted.";
$this->addOption( 'starttime', 'Starting timestamp', false, true );
$this->addOption( 'endtime', 'Ending timestamp', false, true );
}
public function execute() {
$this->output( "Purging cache and thumbnails for deleted files...\n" );
$this->purgeFromLogType( 'delete' );
$this->output( "...deleted files purged.\n\n" );
$this->output( "Purging cache and thumbnails for suppressed files...\n" );
$this->purgeFromLogType( 'suppress' );
$this->output( "...suppressed files purged.\n" );
}
protected function purgeFromLogType( $logType ) {
$repo = RepoGroup::singleton()->getLocalRepo();
$db = $repo->getSlaveDB();
$conds = array(
'log_namespace' => NS_FILE,
'log_type' => $logType,
'log_action' => array( 'delete', 'revision' )
);
$start = $this->getOption( 'starttime' );
if ( $start ) {
$conds[] = 'log_timestamp >= ' . $db->addQuotes( $db->timestamp( $start ) );
}
$end = $this->getOption( 'endtime' );
if ( $end ) {
$conds[] = 'log_timestamp <= ' . $db->addQuotes( $db->timestamp( $end ) );
}
$res = $db->select( 'logging', array( 'log_title', 'log_timestamp' ), $conds, __METHOD__ );
foreach ( $res as $row ) {
$file = $repo->newFile( Title::makeTitle( NS_FILE, $row->log_title ) );
// Purge current version and any versions in oldimage table
$file->purgeCache();
$file->purgeHistory();
// Purge items from fileachive table (rows are likely here)
$this->purgeFromArchiveTable( $file );
$this->output( "Purged file {$row->log_title}; deleted on {$row->log_timestamp}.\n" );
}
}
protected function purgeFromArchiveTable( LocalFile $file ) {
$db = $file->getRepo()->getSlaveDB();
$res = $db->select( 'filearchive',
array( 'fa_archive_name' ),
array( 'fa_name' => $file->getName() ),
__METHOD__
);
foreach ( $res as $row ) {
$file->purgeOldThumbnails( $row->fa_archive_name );
}
}
}
$maintClass = "PurgeDeletedFiles";
require_once( RUN_MAINTENANCE_IF_MAIN );
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