00001 <?php
00002
00011 require_once( "$IP/includes/FileStore.php" );
00012 require_once( "$IP/includes/filerepo/File.php" );
00013
00014 function DeleteArchivedFiles( $delete = false ) {
00015
00016 # Data should come off the master, wrapped in a transaction
00017 $dbw = wfGetDB( DB_MASTER );
00018
00019 $transaction = new FSTransaction();
00020 if( !FileStore::lock() ) {
00021 wfDebug( __METHOD__.": failed to acquire file store lock, aborting\n" );
00022 return false;
00023 }
00024
00025 $tbl_arch = $dbw->tableName( 'filearchive' );
00026
00027 # Get "active" revisions from the filearchive table
00028 echo( "Searching for and deleting archived files...\n" );
00029 $res = $dbw->query( "SELECT fa_id,fa_storage_group,fa_storage_key FROM $tbl_arch" );
00030 while( $row = $dbw->fetchObject( $res ) ) {
00031 $key = $row->fa_storage_key;
00032 $group = $row->fa_storage_group;
00033 $id = $row->fa_id;
00034
00035 $store = FileStore::get( $group );
00036 if( $store ) {
00037 $path = $store->filePath( $key );
00038 $sha1 = substr( $key, 0, strcspn( $key, '.' ) );
00039 $inuse = $dbw->selectField( 'oldimage', '1',
00040 array( 'oi_sha1' => $sha1,
00041 'oi_deleted & '.File::DELETED_FILE => File::DELETED_FILE ),
00042 __METHOD__, array( 'FOR UPDATE' ) );
00043 if ( $path && file_exists($path) && !$inuse ) {
00044 $transaction->addCommit( FSTransaction::DELETE_FILE, $path );
00045 $dbw->query( "DELETE FROM $tbl_arch WHERE fa_id = $id" );
00046 } else {
00047 echo( "Notice - file '$key' not found in group '$group'\n" );
00048 }
00049 } else {
00050 echo( "Notice - invalid file storage group '$group' for file '$key'\n" );
00051 }
00052 }
00053 echo( "done.\n" );
00054
00055 $transaction->commit();
00056 }