OAuth::getUrl

public function getUrl()
{
	global $APPLICATION;

	if (isModuleInstalled('bitrix24') && defined('BX24_HOST_NAME'))
	{
		$state = sprintf(
			'%s?%s',
			$this->getRedirect(),
			http_build_query(array(
				'check_key' => CSocServAuthManager::getUniqueKey(),
				'dummy' => 'https://dummy.bitrix24.com/',
				'state' => rawurlencode(http_build_query(array(
					'service' => $this->service,
					'uid' => $this->storedUid,
				))),
			))
		);
	}
	else
	{
		$state = http_build_query(array(
			'check_key' => CSocServAuthManager::getUniqueKey(),
			'service' => $this->service,
			'uid' => $this->storedUid,
		));
	}

	return $this->oauthEntity->getAuthUrl($this->getRedirect(false), $state);
}