CIMRestService::callUserRegister

static function callUserRegister($params, $n, CRestServer $server)
{
	global $APPLICATION;

	if ($server->getAuthType() !== 'call')
	{
		throw new BitrixRestRestException("Access for this method allowed only by call authorization.", "WRONG_AUTH_TYPE", CRestServer::STATUS_FORBIDDEN);
	}

	$params = array_change_key_case($params, CASE_UPPER);

	//1. check session info $_SESSION['LIVECHAT']['REGISTER'] - already registered?
	if ($_SESSION['CALL']['REGISTER'] &&
		!(isset($params['USER_HASH']) &&
		  trim($params['USER_HASH']) &&
		  preg_match("/^[a-fA-F0-9]{32}$/i", $params['USER_HASH'])))
	{
		$params['USER_HASH'] = $_SESSION['CALL']['REGISTER']['hash'];
	}

	//2. register user
	$userData = BitrixImCallUser::register([
		'NAME' => $params['NAME'],
		'LAST_NAME' => $params['LAST_NAME'],
		'AVATAR' => $params['AVATAR'],
		'EMAIL' => $params['EMAIL'],
		'PERSONAL_WWW' => $params['WWW'],
		'PERSONAL_GENDER' => $params['GENDER'],
		'WORK_POSITION' => $params['POSITION'],
		'USER_HASH' => $params['USER_HASH'],
	]);
	if (!$userData)
	{
		throw new BitrixRestRestException(
			BitrixImCallUser::getError()->msg,
			BitrixImCallUser::getError()->code,
			CRestServer::STATUS_WRONG_REQUEST
		);
	}

	$aliasData = BitrixImAlias::get($params['ALIAS']);
	if (!$aliasData)
	{
		throw new BitrixRestRestException("Wrong alias.", "WRONG_ALIAS", CRestServer::STATUS_FORBIDDEN);
	}

	//3. authorize
	BitrixImCallAuth::authorizeById($userData['ID'], true, true);

	//4. add to dialog
	$chat = new CIMChat(0);
	$chat->AddUser($aliasData['ENTITY_ID'], $userData['ID']);
	if ($exception = $APPLICATION->GetException())
	{
		if ($exception->GetID() !== 'NOTHING_TO_ADD')
		{
			throw new BitrixRestRestException(
				"You don't have access",
				"WRONG_REQUEST",
				CRestServer::STATUS_WRONG_REQUEST
			);
		}
	}

	//5. return id and hash
	$result = [
		'id' => (int)$userData['ID'],
		'hash' => $userData['HASH'],
		'created' => $userData['CREATED']
	];

	$_SESSION['CALL']['REGISTER'] = $result;

	//6. send notification to chat owner
	$chatData = CIMChat::GetChatData(['ID' => $aliasData['ENTITY_ID']]);
	$chatTitle = $chatData['chat'][$aliasData['ENTITY_ID']]['name'];
	$chatOwnerId = $chatData['chat'][$aliasData['ENTITY_ID']]['owner'];
	$notificationText = GetMessage("IM_VIDEOCONF_NEW_GUEST", ['#CHAT_TITLE#' => $chatTitle]);

	$publicLink = $aliasData['LINK'];
	$conferenceLinkText = GetMessage("IM_VIDEOCONF_JOIN_LINK");
	$conferenceLink = "{$conferenceLinkText}";
	CIMNotify::Add(
		[
			'TO_USER_ID' => $chatOwnerId,
			'MESSAGE' => $notificationText . "[br]" . $conferenceLink
		]
	);

	return $result;
}