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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\Downloadable\Model\Url;
use Magento\Downloadable\Api\DomainManagerInterface as DomainManager;
use Magento\Framework\Validator\Ip as IpValidator;
use Laminas\Uri\Uri as UriHandler;
/**
* Class is responsible for checking if downloadable product link domain is allowed.
*/
class DomainValidator
{
/**
* Path to the allowed domains in the deployment config
*/
public const PARAM_DOWNLOADABLE_DOMAINS = 'downloadable_domains';
/**
* @var IpValidator
*/
private $ipValidator;
/**
* @var UriHandler
*/
private $uriHandler;
/**
* @var DomainManager
*/
private $domainManager;
/**
* @param DomainManager $domainManager
* @param IpValidator $ipValidator
* @param UriHandler $uriHandler
*/
public function __construct(
DomainManager $domainManager,
IpValidator $ipValidator,
UriHandler $uriHandler
) {
$this->domainManager = $domainManager;
$this->ipValidator = $ipValidator;
$this->uriHandler = $uriHandler;
}
/**
* Validate url input.
*
* Assert parsed host of $value is contained within environment whitelist
*
* @param string $value
* @return bool
*/
public function isValid($value): bool
{
$host = $this->getHost($value);
$isIpAddress = $this->ipValidator->isValid($host);
$isValid = !$isIpAddress && in_array($host, $this->domainManager->getDomains());
return $isValid;
}
/**
* Extract host from url
*
* @param string $url
* @return string
*/
private function getHost($url): string
{
$host = $this->uriHandler->parse($url)->getHost();
if ($host === null) {
return '';
}
// ipv6 hosts are brace-delimited in url; they are removed here for subsequent validation
return trim($host, '[] ');
}
}