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<?php
/**
* 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
*/
use MediaWiki\Title\Title;
// @codeCoverageIgnoreStart
require_once __DIR__ . '/Maintenance.php';
// @codeCoverageIgnoreEnd
class FindOrphanedFiles extends Maintenance {
public function __construct() {
parent::__construct();
$this->addDescription( "Find unregistered files in the 'public' repo zone." );
$this->addOption( 'subdir',
'Only scan files in this subdirectory (e.g. "a/a0")', false, true );
$this->addOption( 'verbose', "Mention file paths checked" );
$this->setBatchSize( 500 );
}
public function execute() {
$subdir = $this->getOption( 'subdir', '' );
$verbose = $this->hasOption( 'verbose' );
$repo = $this->getServiceContainer()->getRepoGroup()->getLocalRepo();
if ( $repo->hasSha1Storage() ) {
$this->fatalError( "Local repo uses SHA-1 file storage names; aborting." );
}
$directory = $repo->getZonePath( 'public' );
if ( $subdir != '' ) {
$directory .= "/$subdir/";
}
if ( $verbose ) {
$this->output( "Scanning files under $directory:\n" );
}
$list = $repo->getBackend()->getFileList( [ 'dir' => $directory ] );
if ( $list === null ) {
$this->fatalError( "Could not get file listing." );
}
$pathBatch = [];
foreach ( $list as $path ) {
if ( preg_match( '#^(thumb|deleted)/#', $path ) ) {
continue; // handle ugly nested containers on stock installs
}
$pathBatch[] = $path;
if ( count( $pathBatch ) >= $this->getBatchSize() ) {
$this->checkFiles( $repo, $pathBatch, $verbose );
$pathBatch = [];
}
}
$this->checkFiles( $repo, $pathBatch, $verbose );
}
protected function checkFiles( LocalRepo $repo, array $paths, $verbose ) {
if ( !count( $paths ) ) {
return;
}
$dbr = $repo->getReplicaDB();
$curNames = [];
$oldNames = [];
$imgIN = [];
$oiWheres = [];
foreach ( $paths as $path ) {
$name = basename( $path );
if ( preg_match( '#^archive/#', $path ) ) {
if ( $verbose ) {
$this->output( "Checking old file $name\n" );
}
$oldNames[] = $name;
[ , $base ] = explode( '!', $name, 2 ); // <TS_MW>!<img_name>
$oiWheres[] = $dbr->expr( 'oi_name', '=', $base )->and( 'oi_archive_name', '=', $name );
} else {
if ( $verbose ) {
$this->output( "Checking current file $name\n" );
}
$curNames[] = $name;
$imgIN[] = $name;
}
}
$uqb = $dbr->newUnionQueryBuilder();
$uqb->add(
$dbr->newSelectQueryBuilder()
->select( [ 'name' => 'img_name', 'old' => '0' ] )
->from( 'image' )
->where( $imgIN ? [ 'img_name' => $imgIN ] : '1=0' )
);
$uqb->add(
$dbr->newSelectQueryBuilder()
->select( [ 'name' => 'oi_archive_name', 'old' => '1' ] )
->from( 'oldimage' )
->where( $oiWheres ? $dbr->orExpr( $oiWheres ) : '1=0' )
);
$res = $uqb->all()->caller( __METHOD__ )->fetchResultSet();
$curNamesFound = [];
$oldNamesFound = [];
foreach ( $res as $row ) {
if ( $row->old ) {
$oldNamesFound[] = $row->name;
} else {
$curNamesFound[] = $row->name;
}
}
foreach ( array_diff( $curNames, $curNamesFound ) as $name ) {
$file = $repo->newFile( $name );
// Print name and public URL to ease recovery
if ( $file ) {
$this->output( $name . "\n" . $file->getCanonicalUrl() . "\n\n" );
} else {
$this->error( "Cannot get URL for bad file title '$name'" );
}
}
foreach ( array_diff( $oldNames, $oldNamesFound ) as $name ) {
[ , $base ] = explode( '!', $name, 2 ); // <TS_MW>!<img_name>
$file = $repo->newFromArchiveName( Title::makeTitle( NS_FILE, $base ), $name );
// Print name and public URL to ease recovery
$this->output( $name . "\n" . $file->getCanonicalUrl() . "\n\n" );
}
}
}
// @codeCoverageIgnoreStart
$maintClass = FindOrphanedFiles::class;
require_once RUN_MAINTENANCE_IF_MAIN;
// @codeCoverageIgnoreEnd
|
