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UrlAttributeSanitizer.php
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UrlAttributeSanitizer.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HtmlSanitizer\Visitor\AttributeSanitizer;
use Symfony\Component\HtmlSanitizer\HtmlSanitizerConfig;
use Symfony\Component\HtmlSanitizer\TextSanitizer\UrlSanitizer;
/**
* @author Titouan Galopin <galopintitouan@gmail.com>
*/
final class UrlAttributeSanitizer implements AttributeSanitizerInterface
{
public function getSupportedElements(): ?array
{
// Check all elements for URL attributes
return null;
}
public function getSupportedAttributes(): ?array
{
return ['src', 'href', 'lowsrc', 'background', 'ping'];
}
public function sanitizeAttribute(string $element, string $attribute, string $value, HtmlSanitizerConfig $config): ?string
{
if ('a' === $element) {
return UrlSanitizer::sanitize(
$value,
$config->getAllowedLinkSchemes(),
$config->getForceHttpsUrls(),
$config->getAllowedLinkHosts(),
$config->getAllowRelativeLinks(),
);
}
return UrlSanitizer::sanitize(
$value,
$config->getAllowedMediaSchemes(),
$config->getForceHttpsUrls(),
$config->getAllowedMediaHosts(),
$config->getAllowRelativeMedias(),
);
}
}