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rss.php
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rss.php
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<?php
/**
* @package Joomla.Platform
* @subpackage Document
*
* @copyright Copyright (C) 2005 - 2011 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* JDocumentRenderer_RSS is a feed that implements RSS 2.0 Specification
*
* @package Joomla.Platform
* @subpackage Document
* @see http://www.rssboard.org/rss-specification
* @since 11.1
*/
class JDocumentRendererRSS extends JDocumentRenderer
{
/**
* Renderer mime type
*
* @var string
* @access private
*/
var $_mime = "application/rss+xml";
/**
* Render the feed
*
* @access public
* @return string
*/
function render()
{
$app = JFactory::getApplication();
$now = JFactory::getDate();
$data = &$this->_doc;
$uri = JFactory::getURI();
$url = $uri->toString(array('scheme', 'user', 'pass', 'host', 'port'));
$syndicationURL = JRoute::_('&format=feed&type=rss');
$feed_title = htmlspecialchars(
$app->getCfg('sitename_pagetitles',0)?
JText::sprintf('JPAGETITLE', $app->getCfg('sitename'), $data->title):
$data->title
, ENT_COMPAT, 'UTF-8');
$feed = "<rss version=\"2.0\" xmlns:atom=\"http://www.w3.org/2005/Atom\">\n";
$feed.= " <channel>\n";
$feed.= " <title>".$feed_title."</title>\n";
$feed.= " <description>".$data->description."</description>\n";
$feed.= " <link>".str_replace(' ','%20',$url.$data->link)."</link>\n";
$feed.= " <lastBuildDate>".htmlspecialchars($now->toRFC822(), 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->language!="") {
$feed.= " <language>".$data->language."</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);
$feed.= " <pubDate>".htmlspecialchars($pubDate->toRFC822(),ENT_COMPAT, 'UTF-8')."</pubDate>\n";
}
if (empty($data->category) === false) {
if (is_array($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; $i<count($data->items); $i++)
{
if ((strpos($data->items[$i]->link, 'http://') === false) and (strpos($data->items[$i]->link, 'https://') === false)) {
$data->items[$i]->link = str_replace(' ','%20',$url.$data->items[$i]->link);
}
$feed.= " <item>\n";
$feed.= " <title>".htmlspecialchars(strip_tags($data->items[$i]->title), ENT_COMPAT, 'UTF-8')."</title>\n";
$feed.= " <link>".str_replace(' ','%20',$data->items[$i]->link)."</link>\n";
if (empty($data->items[$i]->guid) === true) {
$feed.= " <guid isPermaLink=\"true\">".str_replace(' ','%20',$data->items[$i]->link)."</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";
}
/*
// 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);
$feed.= " <pubDate>".htmlspecialchars($itemDate->toRFC822(), 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 $feed;
}
/**
* Convert links in a text from relative to absolute
*
* @access public
* @return string
*/
function _relToAbs($text)
{
$base = JURI::base();
$text = preg_replace("/(href|src)=\"(?!http|ftp|https|mailto)([^\"]*)\"/", "$1=\"$base\$2\"", $text);
return $text;
}
}