maintenance/purgeDeletedFiles.php

   1 <?php
   2 /**
   3  * Scans the deletion log and purges affected files within a timeframe.
   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  * @ingroup Maintenance
  21  */
  22
  23 require_once( dirname( __FILE__ ) . '/Maintenance.php' );
  24
  25 class PurgeDeletedFiles extends Maintenance {
  26         public function __construct() {
  27                 parent::__construct();
  28                 $this->mDescription = "Scan the logging table and purge files that where deleted.";
  29                 $this->addOption( 'starttime', 'Starting timestamp', false, true );
  30                 $this->addOption( 'endtime', 'Ending timestamp', false, true );
  31         }
  32
  33         public function execute() {
  34                 $this->output( "Purging cache and thumbnails for deleted files...\n" );
  35                 $this->purgeFromLogType( 'delete' );
  36                 $this->output( "...deleted files purged.\n\n" );
  37
  38                 $this->output( "Purging cache and thumbnails for suppressed files...\n" );
  39                 $this->purgeFromLogType( 'suppress' );
  40                 $this->output( "...suppressed files purged.\n" );
  41         }
  42
  43         protected function purgeFromLogType( $logType ) {
  44                 $repo = RepoGroup::singleton()->getLocalRepo();
  45                 $db = $repo->getSlaveDB();
  46
  47                 $conds = array(
  48                         'log_namespace' => NS_FILE,
  49                         'log_type'      => $logType,
  50                         'log_action'    => array( 'delete', 'revision' )
  51                 );
  52                 $start = $this->getOption( 'starttime' );
  53                 if ( $start ) {
  54                         $conds[] = 'log_timestamp >= ' . $db->addQuotes( $db->timestamp( $start ) );
  55                 }
  56                 $end = $this->getOption( 'endtime' );
  57                 if ( $end ) {
  58                         $conds[] = 'log_timestamp <= ' . $db->addQuotes( $db->timestamp( $end ) );
  59                 }
  60
  61                 $res = $db->select( 'logging', array( 'log_title', 'log_timestamp' ), $conds, __METHOD__ );
  62                 foreach ( $res as $row ) {
  63                         $file = $repo->newFile( Title::makeTitle( NS_FILE, $row->log_title ) );
  64
  65                         // Purge current version and any versions in oldimage table
  66                         $file->purgeCache();
  67                         $file->purgeHistory();
  68                         // Purge items from fileachive table (rows are likely here)
  69                         $this->purgeFromArchiveTable( $file );
  70
  71                         $this->output( "Purged file {$row->log_title}; deleted on {$row->log_timestamp}.\n" );
  72                 }
  73         }
  74
  75         protected function purgeFromArchiveTable( LocalFile $file ) {
  76                 $db = $file->getRepo()->getSlaveDB();
  77                 $res = $db->select( 'filearchive',
  78                         array( 'fa_archive_name' ),
  79                         array( 'fa_name' => $file->getName() ),
  80                         __METHOD__
  81                 );
  82                 foreach ( $res as $row ) {
  83                         $file->purgeOldThumbnails( $row->fa_archive_name );
  84                 }
  85         }
  86 }
  87
  88 $maintClass = "PurgeDeletedFiles";
  89 require_once( RUN_MAINTENANCE_IF_MAIN );