Daniel Siepmann
6f3b519477
TYPO3 adds some defaults which my website doesn't use. These are removed to keep the website more secure and reduce transferred header size.
48 lines
1.5 KiB
PHP
48 lines
1.5 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* Copyright (C) 2023 Daniel Siepmann <coding@daniel-siepmann.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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namespace DanielSiepmann\DsSite\EventListener;
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use TYPO3\CMS\Core\Security\ContentSecurityPolicy\Directive;
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use TYPO3\CMS\Core\Security\ContentSecurityPolicy\Event\PolicyMutatedEvent;
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use TYPO3\CMS\Core\Security\ContentSecurityPolicy\Scope;
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use TYPO3\CMS\Core\Security\ContentSecurityPolicy\UriValue;
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class ContentSecurityPolicyMutation
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{
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public function __invoke(PolicyMutatedEvent $event): void
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{
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if ($event->scope !== Scope::frontend()) {
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return;
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}
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$policy = $event->getCurrentPolicy();
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$policy->remove(Directive::FrameSrc);
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$policy->reduce(
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Directive::ImgSrc,
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new UriValue('*.ytimg.com'),
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new UriValue('*.vimeocdn.com')
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);
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}
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}
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