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<?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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TYPO3 /
TYPO3.CMS
