HtmlOutputNodeWoltlabQuote.class.php

<?php

namespace wcf\system\html\output\node;

use wcf\data\user\UserProfile;
use wcf\system\application\ApplicationHandler;
use wcf\system\html\node\AbstractHtmlNodeProcessor;
use wcf\system\message\embedded\object\MessageEmbeddedObjectManager;
use wcf\system\request\RouteHandler;
use wcf\system\WCF;
use wcf\util\DOMUtil;
use wcf\util\StringUtil;

/**
 * Processes quotes.
 *
 * @author      Alexander Ebert
 * @copyright   2001-2019 WoltLab GmbH
 * @license     GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
 * @since       3.0
 */
class HtmlOutputNodeWoltlabQuote extends AbstractHtmlOutputNode
{
    /**
     * @inheritDoc
     */
    protected $tagName = 'woltlab-quote';

    /**
     * @inheritDoc
     */
    public function process(array $elements, AbstractHtmlNodeProcessor $htmlNodeProcessor)
    {
        /** @var \DOMElement $element */
        foreach ($elements as $element) {
            switch ($this->outputType) {
                case 'text/html':
                    $collapse = false;

                    // try to predict long content
                    if (
                        $element->getElementsByTagName('p')->length > 5
                        || $element->getElementsByTagName('br')->length > 5
                    ) {
                        $collapse = true;
                    }

                    $link = $element->getAttribute('data-link');
                    if (\str_starts_with($link, 'index.php')) {
                        $link = WCF::getPath() . $link;
                    }

                    [$nodeIdentifier, $tagName] = $htmlNodeProcessor->getWcfNodeIdentifier();
                    $htmlNodeProcessor->addNodeData($this, $nodeIdentifier, [
                        'author' => $element->getAttribute('data-author'),
                        'collapse' => $collapse,
                        'url' => $link,
                    ]);

                    $htmlNodeProcessor->renameTag($element, $tagName);
                    break;

                case 'text/simplified-html':
                case 'text/plain':
                    // check if this quote is within another
                    if (DOMUtil::hasParent($element, 'woltlab-quote')) {
                        DOMUtil::removeNode($element);
                    } else {
                        $htmlNodeProcessor->replaceElementWithText(
                            $element,
                            WCF::getLanguage()->getDynamicVariable(
                                'wcf.bbcode.quote.simplified',
                                ['cite' => $element->getAttribute('data-author')]
                            ),
                            true
                        );
                    }
                    break;
            }
        }
    }

    /**
     * @inheritDoc
     */
    public function replaceTag(array $data)
    {
        $externalQuoteLink = false;
        if (!empty($data['url'])) {
            $externalQuoteLink = !ApplicationHandler::getInstance()->isInternalURL($data['url']);
        }

        if (!$externalQuoteLink) {
            $data['url'] = \preg_replace('~^https://~', RouteHandler::getProtocol(), $data['url']);
        }

        $quoteAuthorObject = null;
        if ($data['author'] && !$externalQuoteLink) {
            $quoteAuthorLC = \mb_strtolower(StringUtil::decodeHTML($data['author']));
            foreach (MessageEmbeddedObjectManager::getInstance()->getObjects('com.woltlab.wcf.quote') as $user) {
                \assert($user instanceof UserProfile);
                if (\mb_strtolower($user->username) == $quoteAuthorLC) {
                    $quoteAuthorObject = $user;
                    break;
                }
            }
        }

        return WCF::getTPL()->render('wcf', 'shared_quoteMetaCode', [
            'collapseQuote' => $data['collapse'],
            'quoteLink' => $data['url'],
            'quoteAuthor' => $data['author'],
            'quoteAuthorObject' => $quoteAuthorObject,
            'isExternalQuoteLink' => $externalQuoteLink,
        ]);
    }
}