* This file is licensed under the Affero General Public License version 3 or * later. * See the COPYING-README file. */ class OC_FileChunking { static public function decodeName($name) { preg_match('/(?P.*)-chunking-(?P\d+)-(?P\d+)-(?P\d+)/', $name, $matches); return $matches; } static public function getPrefix($name, $transferid, $chunkcount) { return $name.'-chunking-'.$transferid.'-'.$chunkcount.'-'; } static public function store($name, $data) { $cache = new OC_Cache_File(); $cache->set($name, $data); } static public function isComplete($info) { $prefix = OC_FileChunking::getPrefix($info['name'], $info['transferid'], $info['chunkcount'] ); $parts = 0; $cache = new OC_Cache_File(); for($i=0; $i < $info['chunkcount']; $i++) { if ($cache->hasKey($prefix.$i)) { $parts ++; } } return $parts == $info['chunkcount']; } static public function assemble($info, $f) { $cache = new OC_Cache_File(); $prefix = OC_FileChunking::getPrefix($info['name'], $info['transferid'], $info['chunkcount'] ); for($i=0; $i < $info['chunkcount']; $i++) { $chunk = $cache->get($prefix.$i); $cache->remove($prefix.$i); fwrite($f,$chunk); } fclose($f); } }