9.5/_content_security_policy_directive_8php_source.html

<?php


declare(strict_types = 1);


/*

 * This file is part of the TYPO3 CMS project.

 *

 * It is free software; you can redistribute it and/or modify it under

 * the terms of the GNU General Public License, either version 2

 * of the License, or any later version.

 *

 * For the full copyright and license information, please read the

 * LICENSE.txt file that was distributed with this source code.

 *

 * The TYPO3 project - inspiring people to share!

 */


namespace ‪TYPO3\CMS\Install\SystemEnvironment\ServerResponse;


class ‪ContentSecurityPolicyDirective

{

    protected const ‪RULE_PATTERN = '#(?:\'(?<instruction>[^\']+)\')|(?<source>[^\s]+)#';


    protected ‪$name;


    protected ‪$instructions = [];


    protected ‪$sources = [];


    public function ‪__construct(string ‪$name, string $rule)

    {

        $this->name = ‪$name;

        if (preg_match_all(self::RULE_PATTERN, $rule, $matches)) {

            foreach (array_keys($matches[0]) as $index) {

                if ($matches['instruction'][$index] !== '') {

                    $this->instructions[] = $matches['instruction'][$index];

                } elseif ($matches['source'][$index] !== '') {

                    $this->sources[] = $matches['source'][$index];

                }

            }

        }

    }


    public function ‪getName(): string

    {

        return ‪$this->name;

    }


    public function ‪getInstructions(): array

    {

        return ‪$this->instructions;

    }


    public function ‪getSources(): array

    {

        return ‪$this->sources;

    }


    public function ‪hasInstructions(string ...‪$instructions): bool

    {

        return array_intersect($this->instructions, ‪$instructions) !== [];

    }

}