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<?php
/**
* Check images to see if they exist, are readable, etc etc
*
* 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
*
* @ingroup Maintenance
*/
require_once( dirname(__FILE__) . '/Maintenance.php' );
class CheckImages extends Maintenance {
public function __construct() {
parent::__construct();
$this->mDescription = "Check images to see if they exist, are readable, etc";
$this->setBatchSize( 1000 );
}
public function execute() {
$start = '';
$dbr = wfGetDB( DB_SLAVE );
$numImages = 0;
$numGood = 0;
do {
$res = $dbr->select( 'image', '*', array( 'img_name > ' . $dbr->addQuotes( $start ) ),
__METHOD__, array( 'LIMIT' => $this->mBatchSize ) );
foreach ( $res as $row ) {
$numImages++;
$start = $row->img_name;
$file = RepoGroup::singleton()->getLocalRepo()->newFileFromRow( $row );
$path = $file->getPath();
if ( !$path ) {
$this->output( "{$row->img_name}: not locally accessible\n" );
continue;
}
$stat = @stat( $file->getPath() );
if ( !$stat ) {
$this->output( "{$row->img_name}: missing\n" );
continue;
}
if ( $stat['mode'] & 040000 ) {
$this->output( "{$row->img_name}: is a directory\n" );
continue;
}
if ( $stat['size'] == 0 && $row->img_size != 0 ) {
$this->output( "{$row->img_name}: truncated, was {$row->img_size}\n" );
continue;
}
if ( $stat['size'] != $row->img_size ) {
$this->output( "{$row->img_name}: size mismatch DB={$row->img_size}, actual={$stat['size']}\n" );
continue;
}
$numGood++;
}
} while ( $res->numRows() );
$this->output( "Good images: $numGood/$numImages\n" );
}
}
$maintClass = "CheckImages";
require_once( DO_MAINTENANCE );
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