maintenance/checkImages.php

   1 <?php
   2 /**
   3  * Check images to see if they exist, are readable, etc etc
   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  * @file
  21  * @ingroup Maintenance
  22  */
  23 require_once( dirname( __FILE__ ) . '/Maintenance.php' );
  24
  25 class CheckImages extends Maintenance {
  26
  27         public function __construct() {
  28                 parent::__construct();
  29                 $this->mDescription = "Check images to see if they exist, are readable, etc";
  30                 $this->setBatchSize( 1000 );
  31         }
  32
  33         public function execute() {
  34                 $start = '';
  35                 $dbr = wfGetDB( DB_SLAVE );
  36
  37                 $numImages = 0;
  38                 $numGood = 0;
  39
  40                 do {
  41                         $res = $dbr->select( 'image', '*', array( 'img_name > ' . $dbr->addQuotes( $start ) ),
  42                                 __METHOD__, array( 'LIMIT' => $this->mBatchSize ) );
  43                         foreach ( $res as $row ) {
  44                                 $numImages++;
  45                                 $start = $row->img_name;
  46                                 $file = RepoGroup::singleton()->getLocalRepo()->newFileFromRow( $row );
  47                                 $path = $file->getPath();
  48                                 if ( !$path ) {
  49                                         $this->output( "{$row->img_name}: not locally accessible\n" );
  50                                         continue;
  51                                 }
  52                                 wfSuppressWarnings();
  53                                 $stat = stat( $file->getPath() );
  54                                 wfRestoreWarnings();
  55                                 if ( !$stat ) {
  56                                         $this->output( "{$row->img_name}: missing\n" );
  57                                         continue;
  58                                 }
  59
  60                                 if ( $stat['mode'] & 040000 ) {
  61                                         $this->output( "{$row->img_name}: is a directory\n" );
  62                                         continue;
  63                                 }
  64
  65                                 if ( $stat['size'] == 0 && $row->img_size != 0 ) {
  66                                         $this->output( "{$row->img_name}: truncated, was {$row->img_size}\n" );
  67                                         continue;
  68                                 }
  69
  70                                 if ( $stat['size'] != $row->img_size ) {
  71                                         $this->output( "{$row->img_name}: size mismatch DB={$row->img_size}, actual={$stat['size']}\n" );
  72                                         continue;
  73                                 }
  74
  75                                 $numGood++;
  76                         }
  77
  78                 } while ( $res->numRows() );
  79
  80                 $this->output( "Good images: $numGood/$numImages\n" );
  81         }
  82 }
  83
  84 $maintClass = "CheckImages";
  85 require_once( RUN_MAINTENANCE_IF_MAIN );