<?php
/**
* Joomla! Content Management System
*
* @copyright Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace Joomla\CMS\Document\Renderer\Feed;
defined('JPATH_PLATFORM') or die;
use Joomla\CMS\Document\DocumentRenderer;
use Joomla\CMS\Uri\Uri;
/**
* RssRenderer is a feed that implements RSS 2.0 Specification
*
* @link http://www.rssboard.org/rss-specification
* @since 3.5
*
* @property-read \Joomla\CMS\Document\FeedDocument $_doc Reference to the Document object that instantiated the renderer
*/
class RssRenderer extends DocumentRenderer
{
/**
* Renderer mime type
*
* @var string
* @since 3.5
*/
protected $_mime = 'application/rss+xml';
/**
* Render the feed.
*
* @param string $name The name of the element to render
* @param array $params Array of values
* @param string $content Override the output of the renderer
*
* @return string The output of the script
*
* @see DocumentRenderer::render()
* @since 3.5
*/
public function render($name = '', $params = null, $content = null)
{
$app = \JFactory::getApplication();
// Gets and sets timezone offset from site configuration
$tz = new \DateTimeZone($app->get('offset'));
$now = \JFactory::getDate();
$now->setTimeZone($tz);
$data = $this->_doc;
$url = Uri::getInstance()->toString(array('scheme', 'user', 'pass', 'host', 'port'));
$syndicationURL = \JRoute::_('&format=feed&type=rss');
$title = $data->getTitle();
if ($app->get('sitename_pagetitles', 0) == 1)
{
$title = \JText::sprintf('JPAGETITLE', $app->get('sitename'), $data->getTitle());
}
elseif ($app->get('sitename_pagetitles', 0) == 2)
{
$title = \JText::sprintf('JPAGETITLE', $data->getTitle(), $app->get('sitename'));
}
$feed_title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8');
$datalink = $data->getLink();
if (preg_match('/[\x80-\xFF]/', $datalink))
{
$datalink = implode('/', array_map('rawurlencode', explode('/', $datalink)));
}
$feed = "<rss version=\"2.0\" xmlns:atom=\"http://www.w3.org/2005/Atom\">\n";
$feed .= " <channel>\n";
$feed .= " <title>" . $feed_title . "</title>\n";
$feed .= " <description><![CDATA[" . $data->getDescription() . "]]></description>\n";
$feed .= " <link>" . str_replace(' ', '%20', $url . $datalink) . "</link>\n";
$feed .= " <lastBuildDate>" . htmlspecialchars($now->toRFC822(true), ENT_COMPAT, 'UTF-8') . "</lastBuildDate>\n";
$feed .= " <generator>" . $data->getGenerator() . "</generator>\n";
$feed .= " <atom:link rel=\"self\" type=\"application/rss+xml\" href=\"" . str_replace(' ', '%20', $url . $syndicationURL) . "\"/>\n";
if ($data->image != null)
{
$feed .= " <image>\n";
$feed .= " <url>" . $data->image->url . "</url>\n";
$feed .= " <title>" . htmlspecialchars($data->image->title, ENT_COMPAT, 'UTF-8') . "</title>\n";
$feed .= " <link>" . str_replace(' ', '%20', $data->image->link) . "</link>\n";
if ($data->image->width != '')
{
$feed .= " <width>" . $data->image->width . "</width>\n";
}
if ($data->image->height != '')
{
$feed .= " <height>" . $data->image->height . "</height>\n";
}
if ($data->image->description != '')
{
$feed .= " <description><![CDATA[" . $data->image->description . "]]></description>\n";
}
$feed .= " </image>\n";
}
if ($data->getLanguage() !== '')
{
$feed .= " <language>" . $data->getLanguage() . "</language>\n";
}
if ($data->copyright != '')
{
$feed .= " <copyright>" . htmlspecialchars($data->copyright, ENT_COMPAT, 'UTF-8') . "</copyright>\n";
}
if ($data->editorEmail != '')
{
$feed .= " <managingEditor>" . htmlspecialchars($data->editorEmail, ENT_COMPAT, 'UTF-8') . ' ('
. htmlspecialchars($data->editor, ENT_COMPAT, 'UTF-8') . ")</managingEditor>\n";
}
if ($data->webmaster != '')
{
$feed .= " <webMaster>" . htmlspecialchars($data->webmaster, ENT_COMPAT, 'UTF-8') . "</webMaster>\n";
}
if ($data->pubDate != '')
{
$pubDate = \JFactory::getDate($data->pubDate);
$pubDate->setTimeZone($tz);
$feed .= " <pubDate>" . htmlspecialchars($pubDate->toRFC822(true), ENT_COMPAT, 'UTF-8') . "</pubDate>\n";
}
if (!empty($data->category))
{
if (is_array($data->category))
{
foreach ($data->category as $cat)
{
$feed .= " <category>" . htmlspecialchars($cat, ENT_COMPAT, 'UTF-8') . "</category>\n";
}
}
else
{
$feed .= " <category>" . htmlspecialchars($data->category, ENT_COMPAT, 'UTF-8') . "</category>\n";
}
}
if ($data->docs != '')
{
$feed .= " <docs>" . htmlspecialchars($data->docs, ENT_COMPAT, 'UTF-8') . "</docs>\n";
}
if ($data->ttl != '')
{
$feed .= " <ttl>" . htmlspecialchars($data->ttl, ENT_COMPAT, 'UTF-8') . "</ttl>\n";
}
if ($data->rating != '')
{
$feed .= " <rating>" . htmlspecialchars($data->rating, ENT_COMPAT, 'UTF-8') . "</rating>\n";
}
if ($data->skipHours != '')
{
$feed .= " <skipHours>" . htmlspecialchars($data->skipHours, ENT_COMPAT, 'UTF-8') . "</skipHours>\n";
}
if ($data->skipDays != '')
{
$feed .= " <skipDays>" . htmlspecialchars($data->skipDays, ENT_COMPAT, 'UTF-8') . "</skipDays>\n";
}
for ($i = 0, $count = count($data->items); $i < $count; $i++)
{
$itemlink = $data->items[$i]->link;
if (preg_match('/[\x80-\xFF]/', $itemlink))
{
$itemlink = implode('/', array_map('rawurlencode', explode('/', $itemlink)));
}
if ((strpos($itemlink, 'http://') === false) && (strpos($itemlink, 'https://') === false))
{
$itemlink = str_replace(' ', '%20', $url . $itemlink);
}
$feed .= " <item>\n";
$feed .= " <title>" . htmlspecialchars(strip_tags($data->items[$i]->title), ENT_COMPAT, 'UTF-8') . "</title>\n";
$feed .= " <link>" . str_replace(' ', '%20', $itemlink) . "</link>\n";
if (empty($data->items[$i]->guid))
{
$feed .= " <guid isPermaLink=\"true\">" . str_replace(' ', '%20', $itemlink) . "</guid>\n";
}
else
{
$feed .= " <guid isPermaLink=\"false\">" . htmlspecialchars($data->items[$i]->guid, ENT_COMPAT, 'UTF-8') . "</guid>\n";
}
$feed .= " <description><![CDATA[" . $this->_relToAbs($data->items[$i]->description) . "]]></description>\n";
if ($data->items[$i]->authorEmail != '')
{
$feed .= ' <author>'
. htmlspecialchars($data->items[$i]->authorEmail . ' (' . $data->items[$i]->author . ')', ENT_COMPAT, 'UTF-8') . "</author>\n";
}
/*
* @todo: On hold
* if ($data->items[$i]->source!='')
* {
* $data.= " <source>" . htmlspecialchars($data->items[$i]->source, ENT_COMPAT, 'UTF-8') . "</source>\n";
* }
*/
if (empty($data->items[$i]->category) === false)
{
if (is_array($data->items[$i]->category))
{
foreach ($data->items[$i]->category as $cat)
{
$feed .= " <category>" . htmlspecialchars($cat, ENT_COMPAT, 'UTF-8') . "</category>\n";
}
}
else
{
$feed .= " <category>" . htmlspecialchars($data->items[$i]->category, ENT_COMPAT, 'UTF-8') . "</category>\n";
}
}
if ($data->items[$i]->comments != '')
{
$feed .= " <comments>" . htmlspecialchars($data->items[$i]->comments, ENT_COMPAT, 'UTF-8') . "</comments>\n";
}
if ($data->items[$i]->date != '')
{
$itemDate = \JFactory::getDate($data->items[$i]->date);
$itemDate->setTimeZone($tz);
$feed .= " <pubDate>" . htmlspecialchars($itemDate->toRFC822(true), ENT_COMPAT, 'UTF-8') . "</pubDate>\n";
}
if ($data->items[$i]->enclosure != null)
{
$feed .= " <enclosure url=\"";
$feed .= $data->items[$i]->enclosure->url;
$feed .= "\" length=\"";
$feed .= $data->items[$i]->enclosure->length;
$feed .= "\" type=\"";
$feed .= $data->items[$i]->enclosure->type;
$feed .= "\"/>\n";
}
$feed .= " </item>\n";
}
$feed .= " </channel>\n";
$feed .= "</rss>\n";
return $feed;
}
}