extension.php

<?php
 
namespace Bitrix\Seo\Controller\Business;
 
use Bitrix\Main;
use Bitrix\Seo\BusinessSuite\ServiceAdapter;
use Bitrix\Seo\BusinessSuite\Utils;
use Bitrix\Seo\BusinessSuite;
use Bitrix\Main\Engine\Response\AjaxJson;
use Bitrix\Seo\BusinessSuite\Configuration\Facebook;
 
final class Extension extends Main\Engine\Controller
{
    public function installAction($engineCode, $setup, $config): AjaxJson
    {
        $response = null;
        try
        {
            if (is_string($engineCode) && is_array($setup) && is_array($config))
            {
                $meta = BusinessSuite\ServiceMetaData::create()
                    ->setService($service = Utils\ServiceFactory::getServiceByEngineCode($engineCode))
                    ->setEngineCode($engineCode)
                    ->setType($service::getTypeByEngine($engineCode));
 
                $serviceContainer = ServiceAdapter::createServiceWrapperContainer()->setMeta($meta);
 
                $response = AjaxJson::createSuccess([
                        'authUrl' => $serviceContainer->getAuthAdapter($meta->getType())
                            ->setConfig($config = Facebook\Config::loadFromArray($config))
                            ->setSetup($setup = Facebook\Setup::loadFromArray($setup))
                            ->setInstalls(Facebook\Installs::load())
                            ->getAuthUrl()
                    ]);
                $response = ($setup->save()? $response : AjaxJson::createError(null,[]));
            }
        }
        catch (BusinessSuite\Exception\ConfigException $exception)
        {
            $handler = BusinessSuite\Exception\ConfigExceptionHandler::handle($exception);
            $response = AjaxJson::createError($handler->getErrorCollection(),$handler->getCustomData());
        }
        catch (\Throwable $exception)
        {
            $response = AjaxJson::createError();
        }
        finally
        {
            return $response;
        }
    }
}