47 lines
1.7 KiB
PHP
47 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\Install\Controller;
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use TYPO3\CMS\Core\Security\ContentSecurityPolicy\Directive;
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use TYPO3\CMS\Core\Security\ContentSecurityPolicy\Policy;
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use TYPO3\CMS\Core\Security\ContentSecurityPolicy\SourceKeyword;
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use TYPO3\CMS\Core\Security\ContentSecurityPolicy\SourceScheme;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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* @internal This class is a specific implementation and is not considered part of the Public TYPO3 API.
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*/
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trait ControllerTrait
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{
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/**
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* Using fixed Content-Security-Policy for Admin Tool (extensions and database might not be available)
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*/
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protected function createContentSecurityPolicy(): Policy
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{
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return GeneralUtility::makeInstance(Policy::class)
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->default(SourceKeyword::self)
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// script-src 'nonce-...' required for importmaps
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->extend(Directive::ScriptSrc, SourceKeyword::nonceProxy)
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// `style-src 'unsafe-inline'` required for lit in safari and firefox to allow inline <style> tags
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// (for browsers that do not support https://caniuse.com/mdn-api_shadowroot_adoptedstylesheets)
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->extend(Directive::StyleSrc, SourceKeyword::unsafeInline)
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->set(Directive::StyleSrcAttr, SourceKeyword::unsafeInline)
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->extend(Directive::ImgSrc, SourceScheme::data);
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}
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}
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