owncloud / core

		 */

		if (isset($queryParams['downloadStartSecret'])) {

			$token = $queryParams['downloadStartSecret'];

			if (!isset($token[32])

				&& \preg_match('!^[a-zA-Z0-9]+$!', $token) === 1) {

				// FIXME: use $response->setHeader() instead

				\setcookie('ocDownloadStarted', $token, \time() + 20, '/');

			}

		}

	}

		 * the content must not be longer than 32 characters and must only contain

		 * alphanumeric characters

		 */

		if (!empty($downloadStartSecret)

			&& !isset($downloadStartSecret[32])

			&& \preg_match('!^[a-zA-Z0-9]+$!', $downloadStartSecret) === 1) {

			// FIXME: set on the response once we use an actual app framework response

			\setcookie('ocDownloadStarted', $downloadStartSecret, \time() + 20, '/');

		}

		$this->emitAccessShareHook($share);