parametersigner.php

<?php
 
namespace Bitrix\Main\Component;
 
use Bitrix\Main\Security;
use Bitrix\Main\Type\Date;
use Bitrix\Main\Type\DateTime;
use Bitrix\Main\Web\Uri;
 
class ParameterSigner
{
    public static function signParameters($componentName, $parameters)
    {
        $signer = new Security\Sign\Signer;
 
        return $signer->sign(
            base64_encode(serialize($parameters)),
            self::refineComponentName($componentName)
        );
    }
 
    public static function unsignParameters($componentName, $signedParameters)
    {
        $signer = new Security\Sign\Signer;
 
        $unsignedParameters = $signer->unsign(
            $signedParameters,
            self::refineComponentName($componentName)
        );
 
        $decoded = base64_decode($unsignedParameters);
        if ($decoded === false)
        {
            return [];
        }
 
        return static::unserialize($decoded);
    }
 
    private static function unserialize(string $str)
    {
        return unserialize($str, ['allowed_classes' => [
            DateTime::class,
            Date::class,
            Uri::class,
            \DateTime::class,
            \DateTimeZone::class,
        ]]);
    }
 
    protected static function refineComponentName($componentName)
    {
        if (!is_string($componentName))
        {
            return null;
        }
 
        return str_replace(':', '', $componentName);
    }
}