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<?php
declare(strict_types=1);
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Core\Html;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\HtmlSanitizer\Behavior;
use TYPO3\HtmlSanitizer\Behavior\Attr\UriAttrValueBuilder;
use TYPO3\HtmlSanitizer\Builder\BuilderInterface;
use TYPO3\HtmlSanitizer\Sanitizer;
use TYPO3\HtmlSanitizer\Visitor\CommonVisitor;
/**
* Builder, creating a `Sanitizer` instance for "i18n"
* behavior for tags, attributes and values. Basically used
* for language labels containing HTML.
*
* @internal
*/
class I18nSanitizerBuilder implements BuilderInterface
{
public function build(): Sanitizer
{
$globalAttrs = $this->createGlobalAttrs();
$httpUriBuilder = GeneralUtility::makeInstance(UriAttrValueBuilder::class)
->allowSchemes('http', 'https');
$behavior = GeneralUtility::makeInstance(Behavior::class)
->withTags(
(new Behavior\Tag('a', Behavior\Tag::ALLOW_CHILDREN))
->addAttrs(...$globalAttrs)
->addAttrs(...$this->createAttrs('rel', 'target'))
->addAttrs(
(new Behavior\Attr('href'))
->withValues(...$httpUriBuilder->getValues()),
),
(new Behavior\Tag('b', Behavior\Tag::ALLOW_CHILDREN))
->addAttrs(...$globalAttrs),
(new Behavior\Tag('br'))
->addAttrs(...$globalAttrs),
(new Behavior\Tag('div', Behavior\Tag::ALLOW_CHILDREN))
->addAttrs(...$globalAttrs),
(new Behavior\Tag('em', Behavior\Tag::ALLOW_CHILDREN))
->addAttrs(...$globalAttrs),
(new Behavior\Tag('i', Behavior\Tag::ALLOW_CHILDREN))
->addAttrs(...$globalAttrs),
(new Behavior\Tag('li', Behavior\Tag::ALLOW_CHILDREN))
->addAttrs(...$globalAttrs),
(new Behavior\Tag('span', Behavior\Tag::ALLOW_CHILDREN))
->addAttrs(...$globalAttrs),
(new Behavior\Tag('strong', Behavior\Tag::ALLOW_CHILDREN))
->addAttrs(...$globalAttrs),
(new Behavior\Tag('ul', Behavior\Tag::ALLOW_CHILDREN))
->addAttrs(...$globalAttrs)
);
$visitor = GeneralUtility::makeInstance(CommonVisitor::class, $behavior);
return GeneralUtility::makeInstance(Sanitizer::class, $behavior, $visitor);
}
/**
* @return Behavior\Attr[]
*/
protected function createGlobalAttrs(): array
{
// https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes
$attrs = $this->createAttrs(
'class',
'role',
'tabindex',
'title',
);
$attrs[] = new Behavior\Attr('aria-', Behavior\Attr::NAME_PREFIX);
$attrs[] = new Behavior\Attr('data-', Behavior\Attr::NAME_PREFIX);
return $attrs;
}
/**
* @return Behavior\Attr[]
*/
protected function createAttrs(string ...$names): array
{
return array_map(
function (string $name) {
return new Behavior\Attr($name);
},
$names
);
}
}