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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
* @author Aaron Schulz
*/
require_once __DIR__ . '/Maintenance.php';
class FindMissingFiles extends Maintenance {
function __construct() {
parent::__construct();
$this->addDescription( 'Find registered files with no corresponding file.' );
$this->addOption( 'start', 'Start after this file name', false, true );
$this->addOption( 'mtimeafter', 'Only include files changed since this time', false, true );
$this->addOption( 'mtimebefore', 'Only includes files changed before this time', false, true );
$this->setBatchSize( 300 );
}
function execute() {
$lastName = $this->getOption( 'start', '' );
$repo = RepoGroup::singleton()->getLocalRepo();
$dbr = $repo->getSlaveDB();
$be = $repo->getBackend();
$mtime1 = $dbr->timestampOrNull( $this->getOption( 'mtimeafter', null ) );
$mtime2 = $dbr->timestampOrNull( $this->getOption( 'mtimebefore', null ) );
$joinTables = [];
$joinConds = [];
if ( $mtime1 || $mtime2 ) {
$joinTables[] = 'page';
$joinConds['page'] = [ 'INNER JOIN',
[ 'page_title = img_name', 'page_namespace' => NS_FILE ] ];
$joinTables[] = 'logging';
$on = [ 'log_page = page_id', 'log_type' => [ 'upload', 'move', 'delete' ] ];
if ( $mtime1 ) {
$on[] = "log_timestamp > {$dbr->addQuotes($mtime1)}";
}
if ( $mtime2 ) {
$on[] = "log_timestamp < {$dbr->addQuotes($mtime2)}";
}
$joinConds['logging'] = [ 'INNER JOIN', $on ];
}
do {
$res = $dbr->select(
array_merge( [ 'image' ], $joinTables ),
[ 'name' => 'img_name' ],
[ "img_name > " . $dbr->addQuotes( $lastName ) ],
__METHOD__,
// DISTINCT causes a pointless filesort
[ 'ORDER BY' => 'name', 'GROUP BY' => 'name',
'LIMIT' => $this->mBatchSize ],
$joinConds
);
// Check if any of these files are missing...
$pathsByName = [];
foreach ( $res as $row ) {
$file = $repo->newFile( $row->name );
$pathsByName[$row->name] = $file->getPath();
$lastName = $row->name;
}
$be->preloadFileStat( [ 'srcs' => $pathsByName ] );
foreach ( $pathsByName as $path ) {
if ( $be->fileExists( [ 'src' => $path ] ) === false ) {
$this->output( "$path\n" );
}
}
// Find all missing old versions of any of the files in this batch...
if ( count( $pathsByName ) ) {
$ores = $dbr->select( 'oldimage',
[ 'oi_name', 'oi_archive_name' ],
[ 'oi_name' => array_keys( $pathsByName ) ],
__METHOD__
);
$checkPaths = [];
foreach ( $ores as $row ) {
if ( !strlen( $row->oi_archive_name ) ) {
continue; // broken row
}
$file = $repo->newFromArchiveName( $row->oi_name, $row->oi_archive_name );
$checkPaths[] = $file->getPath();
}
foreach ( array_chunk( $checkPaths, $this->mBatchSize ) as $paths ) {
$be->preloadFileStat( [ 'srcs' => $paths ] );
foreach ( $paths as $path ) {
if ( $be->fileExists( [ 'src' => $path ] ) === false ) {
$this->output( "$path\n" );
}
}
}
}
} while ( $res->numRows() >= $this->mBatchSize );
}
}
$maintClass = 'FindMissingFiles';
require_once RUN_MAINTENANCE_IF_MAIN;