wikimedia/mediawiki-core

<?php
/**
 * Check images to see if they exist, are readable, 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
 *
 * @file
 * @ingroup Maintenance
 */

use MediaWiki\FileRepo\File\FileSelectQueryBuilder;

// @codeCoverageIgnoreStart
require_once __DIR__ . '/Maintenance.php';
// @codeCoverageIgnoreEnd

/**
 * Maintenance script to check images to see if they exist, are readable, etc.
 *
 * @ingroup Maintenance
 */
class CheckImages extends Maintenance {

    public function __construct() {
        parent::__construct();
        $this->addDescription( 'Check images to see if they exist, are readable, etc' );
        $this->setBatchSize( 1000 );
    }

    public function execute() {
        $start = '';
        $dbr = $this->getReplicaDB();

        $numImages = 0;
        $numGood = 0;

        $repo = $this->getServiceContainer()->getRepoGroup()->getLocalRepo();
        do {
            $queryBuilder = FileSelectQueryBuilder::newForFile( $dbr );

            $res = $queryBuilder->where( $dbr->expr( 'img_name', '>', $start ) )
                ->limit( $this->getBatchSize() )
                ->caller( __METHOD__ )->fetchResultSet();
            foreach ( $res as $row ) {
                $numImages++;
                $start = $row->img_name;
                $file = $repo->newFileFromRow( $row );
                $path = $file->getPath();
                if ( !$path ) {
                    $this->output( "{$row->img_name}: not locally accessible\n" );
                    continue;
                }
                $size = $repo->getFileSize( $file->getPath() );
                if ( $size === false ) {
                    $this->output( "{$row->img_name}: missing\n" );
                    continue;
                }

                if ( $size == 0 && $row->img_size != 0 ) {
                    $this->output( "{$row->img_name}: truncated, was {$row->img_size}\n" );
                    continue;
                }

                if ( $size != $row->img_size ) {
                    $this->output( "{$row->img_name}: size mismatch DB={$row->img_size}, "
                        . "actual={$size}\n" );
                    continue;
                }

                $numGood++;
            }
        } while ( $res->numRows() );

        $this->output( "Good images: $numGood/$numImages\n" );
    }
}

// @codeCoverageIgnoreStart
$maintClass = CheckImages::class;
require_once RUN_MAINTENANCE_IF_MAIN;
// @codeCoverageIgnoreEnd