1<?php
2
3/*
4 * This file is part of the league/commonmark package.
5 *
6 * (c) Colin O'Dell <colinodell@gmail.com>
7 *
8 * Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
9 *  - (c) John MacFarlane
10 *
11 * For the full copyright and license information, please view the LICENSE
12 * file that was distributed with this source code.
13 */
14
15namespace League\CommonMark\Inline\Renderer;
16
17use League\CommonMark\ElementRendererInterface;
18use League\CommonMark\HtmlElement;
19use League\CommonMark\Inline\Element\AbstractInline;
20use League\CommonMark\Inline\Element\Image;
21use League\CommonMark\Util\ConfigurationAwareInterface;
22use League\CommonMark\Util\ConfigurationInterface;
23use League\CommonMark\Util\RegexHelper;
24
25final class ImageRenderer implements InlineRendererInterface, ConfigurationAwareInterface
26{
27    /**
28     * @var ConfigurationInterface
29     */
30    protected $config;
31
32    /**
33     * @param Image                    $inline
34     * @param ElementRendererInterface $htmlRenderer
35     *
36     * @return HtmlElement
37     */
38    public function render(AbstractInline $inline, ElementRendererInterface $htmlRenderer)
39    {
40        if (!($inline instanceof Image)) {
41            throw new \InvalidArgumentException('Incompatible inline type: ' . \get_class($inline));
42        }
43
44        $attrs = $inline->getData('attributes', []);
45
46        $forbidUnsafeLinks = !$this->config->get('allow_unsafe_links');
47        if ($forbidUnsafeLinks && RegexHelper::isLinkPotentiallyUnsafe($inline->getUrl())) {
48            $attrs['src'] = '';
49        } else {
50            $attrs['src'] = $inline->getUrl();
51        }
52
53        $alt = $htmlRenderer->renderInlines($inline->children());
54        $alt = \preg_replace('/\<[^>]*alt="([^"]*)"[^>]*\>/', '$1', $alt);
55        $attrs['alt'] = \preg_replace('/\<[^>]*\>/', '', $alt);
56
57        if (isset($inline->data['title'])) {
58            $attrs['title'] = $inline->data['title'];
59        }
60
61        return new HtmlElement('img', $attrs, '', true);
62    }
63
64    public function setConfiguration(ConfigurationInterface $configuration)
65    {
66        $this->config = $configuration;
67    }
68}
69