owncloud / core

	 */

	protected function getHeaderSize($path) {

		$headerSize = 0;

		if (!\is_resource($path)) {

			$realFile = $this->util->stripPartialFileExtension($path);

			if ($this->storage->file_exists($realFile)) {

				$path = $realFile;

			}

		}

		$firstBlock = $this->readFirstBlock($path);

		if (\substr($firstBlock, 0, \strlen(Util::HEADER_START)) === Util::HEADER_START) {

	protected function getHeader($path) {

		if (\is_resource($path)) {

			$exists = false;

		} else {

			$realFile = $this->util->stripPartialFileExtension($path);

			$exists = $this->storage->file_exists($realFile);

			if ($exists) {

				$path = $realFile;

			}

		}

		$firstBlock = $this->readFirstBlock($path);

		$result = $this->parseRawHeader($firstBlock);