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<?php
/**
* Delete archived (non-current) files from the database
*
* 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
* @author Aaron Schulz
* Based on deleteOldRevisions.php by Rob Church
*/
require_once( dirname(__FILE__) . '/Maintenance.php' );
class DeleteArchivedFiles extends Maintenance {
public function __construct() {
parent::__construct();
$this->mDescription = "Deletes all archived images.";
$this->addOption( 'delete', 'Perform the deletion' );
$this->addOption( 'force', 'Force deletion of rows from filearchive' );
}
public function execute() {
if( !$this->hasOption('delete') ) {
$this->output( "Use --delete to actually confirm this script\n" );
return;
}
$force = $this->hasOption( 'force' );
# Data should come off the master, wrapped in a transaction
$dbw = wfGetDB( DB_MASTER );
$dbw->begin();
$tbl_arch = $dbw->tableName( 'filearchive' );
$repo = RepoGroup::singleton()->getLocalRepo();
# Get "active" revisions from the filearchive table
$this->output( "Searching for and deleting archived files...\n" );
$res = $dbw->query( "SELECT fa_id,fa_storage_group,fa_storage_key FROM $tbl_arch" );
$count = 0;
foreach( $res as $row ) {
$key = $row->fa_storage_key;
$group = $row->fa_storage_group;
$id = $row->fa_id;
$path = $repo->getZonePath( 'deleted' ).'/'.$repo->getDeletedHashPath($key).$key;
$sha1 = substr( $key, 0, strcspn( $key, '.' ) );
// Check if the file is used anywhere...
$inuse = $dbw->selectField( 'oldimage', '1',
array( 'oi_sha1' => $sha1,
'oi_deleted & '.File::DELETED_FILE => File::DELETED_FILE ),
__METHOD__,
array( 'FOR UPDATE' )
);
if ( $path && file_exists($path) && !$inuse ) {
unlink($path); // delete
$count++;
$dbw->query( "DELETE FROM $tbl_arch WHERE fa_id = $id" );
} else {
$this->output( "Notice - file '$key' not found in group '$group'\n" );
if ( $force ) {
$this->output( "Got --force, deleting DB entry\n" );
$dbw->query( "DELETE FROM $tbl_arch WHERE fa_id = $id" );
}
}
}
$dbw->commit();
$this->output( "Done! [$count file(s)]\n" );
}
}
$maintClass = "DeleteArchivedFiles";
require_once( DO_MAINTENANCE );
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