owncloud / core

		$userManager = \OC::$server->getUserManager();

		$userObject = $userManager->get($user);

		if ($userObject === null) {

			$msg = "Backends provided no user object for $user";

			\OC::$server->getLogger()->error($msg, ['app' => __CLASS__]);

			// reset flag, this will make it possible to rethrow the exception if called again

			unset(self::$usersSetup[$user]);

			throw new \OC\User\NoUserException($msg);

		}

		$realUid = $userObject->getUID();

		// workaround in case of different casings

	public function getUserFolder($userId) {

		$userObject = \OC::$server->getUserManager()->get($userId);

		if ($userObject === null) {

			$msg = "Backends provided no user object for $userId";

			\OC::$server->getLogger()->error($msg, ['app' => __CLASS__]);

			throw new NoUserException($msg);

		}

		$userId = $userObject->getUID();

			// get available disk space for user

			$user = \OC::$server->getUserManager()->get($uid);

			if ($user === null) {

				$msg = "Backends provided no user object for $uid";

				\OC::$server->getLogger()->error($msg, ['app' => __CLASS__]);

				throw new \OC\User\NoUserException($msg);

			}

			\OC_Util::setupFS($uid);

		$userManager = \OC::$server->getUserManager();

		$userObject = $userManager->get($ownerUser);

		if ($userObject === null) {

			$msg = "Backends provided no user object for $ownerUser";

			\OC::$server->getLogger()->error($msg, ['app' => __CLASS__]);

			throw new \OC\User\NoUserException($msg);

		}

		$ownerUser = $userObject->getUID();