owncloud / core

					}

				}

				if (\OCP\Util::isPublicLinkPasswordRequired() && empty($shareWith)) {

					$message = 'You need to provide a password to create a public link, only protected links are allowed';

					$message_t = $l->t('You need to provide a password to create a public link, only protected links are allowed');

					\OCP\Util::writeLog('OCP\Share', $message, \OCP\Util::DEBUG);

					throw new \Exception($message_t);

				}

				if ($updateExistingShare === false &&

					self::isDefaultExpireDateEnabled() &&

		$l = \OC::$server->getL10N('lib');

		if ($date == '') {

			if (\OCP\Util::isDefaultExpireDateEnforced()) {

				$warning = 'Cannot clear expiration date. Shares are required to have an expiration date.';

				$warning_t = $l->t('Cannot clear expiration date. Shares are required to have an expiration date.');

				\OCP\Util::writeLog('OCP\Share', $warning, \OCP\Util::WARN);

				throw new \Exception($warning_t);

			} else {

				$date = null;

			}

		} else {

			$date = self::validateExpireDate($date, $shareTime, $itemType, $itemSource);

		}