class.ilMediaSvgSanitizer.php

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<?php

/* Copyright (c) 1998-2017 ILIAS open source, GPL, see docs/LICENSE */

use enshrined\svgSanitize\Sanitizer;

class ilMediaSvgSanitizer
{
        static function sanitizeFile($a_file)
        {
                include_once("./Services/MediaObjects/lib/svg-sanitizer-master/src/data/AttributeInterface.php");
                include_once("./Services/MediaObjects/lib/svg-sanitizer-master/src/data/TagInterface.php");
                include_once("./Services/MediaObjects/lib/svg-sanitizer-master/src/data/AllowedTags.php");
                include_once("./Services/MediaObjects/lib/svg-sanitizer-master/src/data/AllowedAttributes.php");
                include_once("./Services/MediaObjects/lib/svg-sanitizer-master/src/Sanitizer.php");

                $sanitizer = new Sanitizer();
                $dirtySVG = file_get_contents($a_file);
                $cleanSVG = $sanitizer->sanitize($dirtySVG);
                file_put_contents($a_file, $cleanSVG);
        }

        static function sanitizeDir($a_path)
        {
                $path = realpath($a_path);

                $objects = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path), RecursiveIteratorIterator::SELF_FIRST);
                foreach($objects as $name => $object)
                {
                        if (strtolower(pathinfo($name, PATHINFO_EXTENSION)) == "svg")
                        {
                                self::sanitizeFile($name);
                        }
                }
        }
}

?>