wiki.techinc.nl/maintenance/deleteArchivedFiles.inc
2008-04-01 15:30:52 +00:00

57 lines
No EOL
1.6 KiB
PHP

<?php
/**
* Support functions for the deleteArchivedFiles script
*
* @addtogroup Maintenance
* @author Aaron Schulz
*/
require_once( "$IP/includes/FileStore.php" );
require_once( "$IP/includes/filerepo/File.php" );
function DeleteArchivedFiles( $delete = false ) {
# Data should come off the master, wrapped in a transaction
$dbw = wfGetDB( DB_MASTER );
$transaction = new FSTransaction();
if( !FileStore::lock() ) {
wfDebug( __METHOD__.": failed to acquire file store lock, aborting\n" );
return false;
}
$tbl_arch = $dbw->tableName( 'filearchive' );
# Get "active" revisions from the filearchive table
echo( "Searching for and deleting archived files...\n" );
$res = $dbw->query( "SELECT fa_id,fa_storage_group,fa_storage_key FROM $tbl_arch" );
while( $row = $dbw->fetchObject( $res ) ) {
$key = $row->fa_storage_key;
$group = $row->fa_storage_group;
$id = $row->fa_id;
$store = FileStore::get( $group );
if( $store ) {
$path = $store->filePath( $key );
$sha1 = substr( $key, 0, strcspn( $key, '.' ) );
$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 ) {
$transaction->addCommit( FSTransaction::DELETE_FILE, $path );
$dbw->query( "DELETE FROM $tbl_arch WHERE fa_id = $id" );
} else {
echo( "Notice - file '$key' not found in group '$group'\n" );
}
} else {
echo( "Notice - invalid file storage group '$group' for file '$key'\n" );
}
}
echo( "done.\n" );
$transaction->commit();
}
?>