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synced 2026-08-22 02:42:51 +00:00
Nicolas Grekas
84982072c7
The `html_to_markdown` filter emits plain Markdown text, so the `is_safe` annotation is dropped entirely and autoescape now handles its output according to the surrounding context. The `markdown_to_html` and `inline_css` filters emit HTML, not text safe in every escaping context, so `is_safe => ['all']` produced unescaped HTML when their output was interpolated into a JS, CSS or URL context. The annotation is now `is_safe => ['html']`.
52 lines
1.4 KiB
PHP
52 lines
1.4 KiB
PHP
<?php
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/*
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* This file is part of Twig.
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*
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* (c) Fabien Potencier
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Twig\Extra\Markdown;
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use League\HTMLToMarkdown\HtmlConverter;
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use Twig\Extension\AbstractExtension;
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use Twig\TwigFilter;
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final class MarkdownExtension extends AbstractExtension
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{
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public function getFilters(): array
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{
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return [
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new TwigFilter('markdown_to_html', ['Twig\\Extra\\Markdown\\MarkdownRuntime', 'convert'], ['is_safe' => ['html']]),
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new TwigFilter('html_to_markdown', [self::class, 'htmlToMarkdown']),
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];
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}
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/**
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* @internal
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*/
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public static function htmlToMarkdown(string $body, array $options = []): string
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{
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static $converters;
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if (!class_exists(HtmlConverter::class)) {
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throw new \LogicException('You cannot use the "html_to_markdown" filter as league/html-to-markdown is not installed; try running "composer require league/html-to-markdown".');
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}
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$options += [
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'hard_break' => true,
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'strip_tags' => true,
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'remove_nodes' => 'head style',
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];
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if (!isset($converters[$key = serialize($options)])) {
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$converters[$key] = new HtmlConverter($options);
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}
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return $converters[$key]->convert($body);
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}
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}
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