Part-DB-server/src/Services/Attachments/SVGSanitizer.php
2025-05-18 21:00:19 +02:00

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1.9 KiB
PHP

<?php
/*
* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
*
* Copyright (C) 2019 - 2025 Jan Böhmer (https://github.com/jbtronics)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace App\Services\Attachments;
use Rhukster\DomSanitizer\DOMSanitizer;
class SVGSanitizer
{
/**
* Sanitizes the given SVG string by removing any potentially harmful content (like inline scripts).
* @param string $input
* @return string
*/
public function sanitizeString(string $input): string
{
return (new DOMSanitizer(DOMSanitizer::SVG))->sanitize($input);
}
/**
* Sanitizes the given SVG file by removing any potentially harmful content (like inline scripts).
* The sanitized content is written back to the file.
* @param string $filepath
*/
public function sanitizeFile(string $filepath): void
{
//Open the file and read the content
$content = file_get_contents($filepath);
if ($content === false) {
throw new \RuntimeException('Could not read file: ' . $filepath);
}
//Sanitize the content
$sanitizedContent = $this->sanitizeString($content);
//Write the sanitized content back to the file
file_put_contents($filepath, $sanitizedContent);
}
}