1<?php
2
3/*
4 * This file is part of the clockoon/dokuwiki-commonmark-plugin package.
5 *
6 * (c) Sungbin Jeon <clockoon@gmail.com>
7 *
8 * Original code based on the followings:
9 * - CommonMark JS reference parser (https://bitly.com/commonmark-js) (c) John MacFarlane
10 * - league/commonmark (https://github.com/thephpleague/commonmark) (c) Colin O'Dell <colinodell@gmail.com>
11 *
12 * For the full copyright and license information, please view the LICENSE
13 * file that was distributed with this source code.
14 */
15
16namespace DokuWiki\Plugin\Commonmark\Extension\Renderer\Inline;
17
18use League\CommonMark\Renderer\NodeRendererInterface;
19use League\CommonMark\Renderer\ChildNodeRendererInterface;
20use League\CommonMark\Node\Node;
21use League\CommonMark\Extension\CommonMark\Node\Inline\Link;
22use League\Config\ConfigurationAwareInterface;
23use League\Config\ConfigurationInterface;
24use League\CommonMark\Util\RegexHelper;
25
26final class LinkRenderer implements NodeRendererInterface, ConfigurationAwareInterface
27{
28    /**
29     * @var ConfigurationInterface
30     */
31    protected $config;
32
33    /**
34     * @param Link                     $inline
35     * @param ChildNodeRendererInterface $DWRenderer
36     *
37     * @return string
38     */
39    public function render(Node $node, ChildNodeRendererInterface $DWRenderer): string
40    {
41        Link::assertInstanceOf($node);
42
43        $attrs = $node->data->get('attributes');
44
45        $forbidUnsafeLinks = !$this->config->get('allow_unsafe_links');
46        if (!($forbidUnsafeLinks && RegexHelper::isLinkPotentiallyUnsafe($node->getUrl()))) {
47            $attrs['href'] = $node->getUrl();
48        }
49
50        $result = '[[' . $attrs['href'] . '|' . $DWRenderer->renderNodes($node->children()) . ']]';
51        return $result;
52    }
53
54    public function setConfiguration(ConfigurationInterface $configuration): void
55    {
56        $this->config = $configuration;
57    }
58}
59