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