84 lines
1.9 KiB
PHP
84 lines
1.9 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Install\SystemEnvironment\ServerResponse;
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/**
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* Evaluates a Content-Security-Policy HTTP header.
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*
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* @internal should only be used from within TYPO3 Core
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*/
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class ContentSecurityPolicyDirective
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{
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protected const RULE_PATTERN = '#(?:\'(?<instruction>[^\']+)\')|(?<source>[^\s]+)#';
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/**
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* @var string
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*/
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protected $name;
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/**
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* @var string[]
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*/
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protected $instructions = [];
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/**
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* @var string[]
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*/
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protected $sources = [];
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public function __construct(string $name, string $rule)
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{
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$this->name = $name;
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if (preg_match_all(self::RULE_PATTERN, $rule, $matches)) {
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foreach (array_keys($matches[0]) as $index) {
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if ($matches['instruction'][$index] !== '') {
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$this->instructions[] = $matches['instruction'][$index];
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} elseif ($matches['source'][$index] !== '') {
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$this->sources[] = $matches['source'][$index];
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}
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}
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}
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}
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public function getName(): string
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{
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return $this->name;
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}
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/**
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* @return string[]
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*/
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public function getInstructions(): array
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{
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return $this->instructions;
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}
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/**
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* @return string[]
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*/
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public function getSources(): array
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{
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return $this->sources;
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}
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public function hasInstructions(string ...$instructions): bool
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{
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return array_intersect($this->instructions, $instructions) !== [];
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}
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}
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