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🏠 Root / home2 / meumer25 / painelmaisamor.meumercado.app / vendor / league / commonmark / src / Extension / ExternalLink /

Editing: ExternalLinkProcessor.php

<?php

/*
 * This file is part of the league/commonmark package.
 *
 * (c) Colin O'Dell <colinodell@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace League\CommonMark\Extension\ExternalLink;

use League\CommonMark\EnvironmentInterface;
use League\CommonMark\Event\DocumentParsedEvent;
use League\CommonMark\Inline\Element\Link;

final class ExternalLinkProcessor
{
    public const APPLY_NONE = '';
    public const APPLY_ALL = 'all';
    public const APPLY_EXTERNAL = 'external';
    public const APPLY_INTERNAL = 'internal';

/** @var EnvironmentInterface */
    private $environment;

public function __construct(EnvironmentInterface $environment)
    {
        $this->environment = $environment;
    }

/**
     * @param DocumentParsedEvent $e
     *
     * @return void
     */
    public function __invoke(DocumentParsedEvent $e)
    {
        $internalHosts = $this->environment->getConfig('external_link/internal_hosts', []);
        $openInNewWindow = $this->environment->getConfig('external_link/open_in_new_window', false);
        $classes = $this->environment->getConfig('external_link/html_class', '');

$walker = $e->getDocument()->walker();
        while ($event = $walker->next()) {
            if ($event->isEntering() && $event->getNode() instanceof Link) {
                /** @var Link $link */
                $link = $event->getNode();

$host = parse_url($link->getUrl(), PHP_URL_HOST);
                if (empty($host)) {
                    // Something is terribly wrong with this URL
                    continue;
                }

if (self::hostMatches($host, $internalHosts)) {
                    $link->data['external'] = false;
                    $this->applyRelAttribute($link, false);
                    continue;
                }

// Host does not match our list
                $this->markLinkAsExternal($link, $openInNewWindow, $classes);
            }
        }
    }

private function markLinkAsExternal(Link $link, bool $openInNewWindow, string $classes): void
    {
        $link->data['external'] = true;
        $link->data['attributes'] = $link->getData('attributes', []);
        $this->applyRelAttribute($link, true);

if ($openInNewWindow) {
            $link->data['attributes']['target'] = '_blank';
        }

if (!empty($classes)) {
            $link->data['attributes']['class'] = trim(($link->data['attributes']['class'] ?? '') . ' ' . $classes);
        }
    }

private function applyRelAttribute(Link $link, bool $isExternal): void
    {
        $rel = [];

$options = [
            'nofollow'   => $this->environment->getConfig('external_link/nofollow', self::APPLY_NONE),
            'noopener'   => $this->environment->getConfig('external_link/noopener', self::APPLY_EXTERNAL),
            'noreferrer' => $this->environment->getConfig('external_link/noreferrer', self::APPLY_EXTERNAL),
        ];

foreach ($options as $type => $option) {
            switch (true) {
                case $option === self::APPLY_ALL:
                case $isExternal && $option === self::APPLY_EXTERNAL:
                case !$isExternal && $option === self::APPLY_INTERNAL:
                    $rel[] = $type;
            }
        }

if ($rel === []) {
            return;
        }

$link->data['attributes']['rel'] = \implode(' ', $rel);
    }

/**
     * @param string $host
     * @param mixed  $compareTo
     *
     * @return bool
     *
     * @internal This method is only public so we can easily test it. DO NOT USE THIS OUTSIDE OF THIS EXTENSION!
     */
    public static function hostMatches(string $host, $compareTo)
    {
        foreach ((array) $compareTo as $c) {
            if (strpos($c, '/') === 0) {
                if (preg_match($c, $host)) {
                    return true;
                }
            } elseif ($c === $host) {
                return true;
            }
        }

return false;
    }
}