entityeditorconfigsigner.php

См. документацию.

<?php
 
namespace Bitrix\UI\Form;
 
use Bitrix\Main\Security\Sign\Signer;
use Bitrix\Main\Web\Json;
use Bitrix\Main\Security\Sign\BadSignatureException;
use Bitrix\Main\Engine\CurrentUser;
 
class EntityEditorConfigSigner
{
    public function __construct(private string $configId)
    {
    }
 
    private const SIGNED_PARAMS_SALT = 'EntityEditorConfigSigner';
 
    public function sign(array $paramsToSign): string
    {
        $paramsToSign['userId'] = (int)CurrentUser::get()->getId(); // must be user dependant
        $paramsToSign['configId'] = $this->configId; // must be editor dependant
 
        return (new Signer())->sign(Json::encode($paramsToSign), $this->getSalt());
    }
 
    public function unsign(string $signedParams): ?array
    {
        try
        {
            $params = (new Signer())->unsign($signedParams,  $this->getSalt());
            $params = (array)Json::decode($params);
            if (($params['userId'] ?? 0) !== (int)CurrentUser::get()->getId())
            {
                return null;
            }
            if (($params['configId'] ?? '') !== $this->configId)
            {
                return null;
            }
            unset($params['userId']);
            unset($params['configId']);
 
            return $params;
        }
        catch (BadSignatureException $e)
        {
            return null;
        }
    }
 
    private function getSalt(): string
    {
        return self::SIGNED_PARAMS_SALT;
    }
}