domainsigner.php

<?php
 
namespace Bitrix\Sale\PaySystem\Robokassa;
 
use Bitrix\Main;
 
class DomainSigner
{
    private string $domain;
 
    public function __construct(string $domain)
    {
        $this->domain = $domain;
    }
 
    public function signDomain(): string
    {
        if (Main\Loader::includeModule('bitrix24'))
        {
            return \CBitrix24::RequestSign($this->domain);
        }
 
        $privateKey = Main\Analytics\Counter::getPrivateKey();
        return md5($this->domain . $privateKey);
    }
 
    public function isValidDomain(string $signedDomain): bool
    {
        return $signedDomain === $this->signDomain();
    }
}