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<?php
/**
* Joomla! Content Management System
*
* @copyright (C) 2015 Open Source Matters, Inc.
<https://www.joomla.org>
* @license GNU General Public License version 2 or later; see
LICENSE.txt
*/
namespace Joomla\CMS\Document\Renderer\Feed;
use Joomla\CMS\Date\Date;
use Joomla\CMS\Document\DocumentRenderer;
use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Router\Route;
use Joomla\CMS\Uri\Uri;
// phpcs:disable PSR1.Files.SideEffects
\defined('_JEXEC') or die;
// phpcs:enable PSR1.Files.SideEffects
/**
* 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 = Factory::getApplication();
$tz = new \DateTimeZone($app->get('offset'));
$data = $this->_doc;
// If the last build date from the document isn't a Date
object, create one
if (!($data->lastBuildDate instanceof Date)) {
// Gets and sets timezone offset from site configuration
$data->lastBuildDate = Factory::getDate();
$data->lastBuildDate->setTimezone(new
\DateTimeZone($app->get('offset')));
}
$url =
Uri::getInstance()->toString(['scheme', 'user',
'pass', 'host', 'port']);
$syndicationURL =
Route::_('&format=feed&type=rss');
$title = $data->getTitle();
if ($app->get('sitename_pagetitles', 0) == 1) {
$title = Text::sprintf('JPAGETITLE',
$app->get('sitename'), $data->getTitle());
} elseif ($app->get('sitename_pagetitles', 0) == 2) {
$title = Text::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";
$feed .= " <lastBuildDate>" .
htmlspecialchars($data->lastBuildDate->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 != '') {
$pubDate = Factory::getDate($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 != '') {
$itemDate = Factory::getDate($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;
}
}