55 lines
1.7 KiB
PHP
55 lines
1.7 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\Core\Security\ContentSecurityPolicy;
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use TYPO3\CMS\Core\Cache\Frontend\FrontendInterface;
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/**
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* Interface used for self-contained source value models.
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* The parent `SourceInterface` is basically just a type interface, since
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* type cannot be declared better in PHP. This `SourceValueInterface` is
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* focussed on real class instances, but not on `enum` objects.
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*
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* @internal This implementation might still change
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*/
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interface SourceValueInterface extends SourceInterface
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{
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/**
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* Determines whether a serialized representation is known and can be handled
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* by a specific implementation, (e.g. "string starts with 'hash-proxy-").
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*/
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public static function knows(string $value): bool;
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/**
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* Parses a known serialized representation as object representation.
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*/
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public static function parse(string $value): self;
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/**
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* Compiled representation to be used for Content-Security-Policy HTTP header.
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* @return ?string `null` means "not applicable / skip"
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*/
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public function compile(?FrontendInterface $cache = null): ?string;
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/**
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* Serialized representation to be used for persisting declaration (e.g. in database).
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* @return ?string `null` means "not applicable / skip"
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*/
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public function serialize(): ?string;
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}
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