private function _getPossiblyRedirectedPath ($path = '') {
		$fp = fopen($path, 'r');
		$metaData = stream_get_meta_data($fp);
		foreach ($metaData['wrapper_data'] as $response) {
			// Were we redirected? */
			if (strtolower(substr($response, 0, 10)) == 'location: ') {
				// update $src with where we were redirected to
				$path = substr($response, 10);
			}
		}
		return $path;
	}