252 lines
7.9 KiB
PHP
252 lines
7.9 KiB
PHP
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<?php
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/**
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* @package Joomla.Platform
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* @subpackage Document
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*
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE
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*/
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defined('JPATH_PLATFORM') or die;
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/**
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* JDocumentRenderer_RSS is a feed that implements RSS 2.0 Specification
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*
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* @package Joomla.Platform
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* @subpackage Document
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* @see http://www.rssboard.org/rss-specification
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* @since 11.1
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*/
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class JDocumentRendererRSS extends JDocumentRenderer
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{
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/**
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* Renderer mime type
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*
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* @var string
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* @since 11.1
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*/
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protected $_mime = "application/rss+xml";
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/**
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* Render the feed.
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*
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* @param string $name The name of the element to render
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* @param array $params Array of values
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* @param string $content Override the output of the renderer
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*
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* @return string The output of the script
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*
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* @see JDocumentRenderer::render()
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* @since 11.1
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*/
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public function render($name = '', $params = null, $content = null)
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{
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$app = JFactory::getApplication();
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// Gets and sets timezone offset from site configuration
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$tz = new DateTimeZone($app->getCfg('offset'));
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$now = JFactory::getDate();
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$now->setTimeZone($tz);
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$data = $this->_doc;
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$uri = JUri::getInstance();
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$url = $uri->toString(array('scheme', 'user', 'pass', 'host', 'port'));
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$syndicationURL = JRoute::_('&format=feed&type=rss');
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if ($app->getCfg('sitename_pagetitles', 0) == 1)
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{
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$title = JText::sprintf('JPAGETITLE', $app->getCfg('sitename'), $data->title);
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}
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elseif ($app->getCfg('sitename_pagetitles', 0) == 2)
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{
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$title = JText::sprintf('JPAGETITLE', $data->title, $app->getCfg('sitename'));
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}
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else
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{
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$title = $data->title;
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}
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$feed_title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8');
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$feed = "<rss version=\"2.0\" xmlns:atom=\"http://www.w3.org/2005/Atom\">\n";
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$feed .= " <channel>\n";
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$feed .= " <title>" . $feed_title . "</title>\n";
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$feed .= " <description><![CDATA[" . $data->description . "]]></description>\n";
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$feed .= " <link>" . str_replace(' ', '%20', $url . $data->link) . "</link>\n";
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$feed .= " <lastBuildDate>" . htmlspecialchars($now->toRFC822(true), ENT_COMPAT, 'UTF-8') . "</lastBuildDate>\n";
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$feed .= " <generator>" . $data->getGenerator() . "</generator>\n";
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$feed .= ' <atom:link rel="self" type="application/rss+xml" href="' . str_replace(' ', '%20', $url . $syndicationURL) . "\"/>\n";
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if ($data->image != null)
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{
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$feed .= " <image>\n";
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$feed .= " <url>" . $data->image->url . "</url>\n";
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$feed .= " <title>" . htmlspecialchars($data->image->title, ENT_COMPAT, 'UTF-8') . "</title>\n";
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$feed .= " <link>" . str_replace(' ', '%20', $data->image->link) . "</link>\n";
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if ($data->image->width != "")
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{
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$feed .= " <width>" . $data->image->width . "</width>\n";
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}
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if ($data->image->height != "")
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{
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$feed .= " <height>" . $data->image->height . "</height>\n";
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}
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if ($data->image->description != "")
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{
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$feed .= " <description><![CDATA[" . $data->image->description . "]]></description>\n";
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}
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$feed .= " </image>\n";
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}
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if ($data->language != "")
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{
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$feed .= " <language>" . $data->language . "</language>\n";
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}
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if ($data->copyright != "")
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{
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$feed .= " <copyright>" . htmlspecialchars($data->copyright, ENT_COMPAT, 'UTF-8') . "</copyright>\n";
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}
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if ($data->editorEmail != "")
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{
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$feed .= " <managingEditor>" . htmlspecialchars($data->editorEmail, ENT_COMPAT, 'UTF-8') . ' ('
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. htmlspecialchars($data->editor, ENT_COMPAT, 'UTF-8') . ")</managingEditor>\n";
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}
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if ($data->webmaster != "")
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{
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$feed .= " <webMaster>" . htmlspecialchars($data->webmaster, ENT_COMPAT, 'UTF-8') . "</webMaster>\n";
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}
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if ($data->pubDate != "")
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{
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$pubDate = JFactory::getDate($data->pubDate);
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$pubDate->setTimeZone($tz);
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$feed .= " <pubDate>" . htmlspecialchars($pubDate->toRFC822(true), ENT_COMPAT, 'UTF-8') . "</pubDate>\n";
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}
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if (empty($data->category) === false)
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{
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if (is_array($data->category))
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{
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foreach ($data->category as $cat)
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{
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$feed .= " <category>" . htmlspecialchars($cat, ENT_COMPAT, 'UTF-8') . "</category>\n";
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}
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}
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else
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{
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$feed .= " <category>" . htmlspecialchars($data->category, ENT_COMPAT, 'UTF-8') . "</category>\n";
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}
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}
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if ($data->docs != "")
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{
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$feed .= " <docs>" . htmlspecialchars($data->docs, ENT_COMPAT, 'UTF-8') . "</docs>\n";
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}
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if ($data->ttl != "")
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{
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$feed .= " <ttl>" . htmlspecialchars($data->ttl, ENT_COMPAT, 'UTF-8') . "</ttl>\n";
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}
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if ($data->rating != "")
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{
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$feed .= " <rating>" . htmlspecialchars($data->rating, ENT_COMPAT, 'UTF-8') . "</rating>\n";
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}
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if ($data->skipHours != "")
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{
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$feed .= " <skipHours>" . htmlspecialchars($data->skipHours, ENT_COMPAT, 'UTF-8') . "</skipHours>\n";
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}
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if ($data->skipDays != "")
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{
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$feed .= " <skipDays>" . htmlspecialchars($data->skipDays, ENT_COMPAT, 'UTF-8') . "</skipDays>\n";
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}
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for ($i = 0, $count = count($data->items); $i < $count; $i++)
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{
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if ((strpos($data->items[$i]->link, 'http://') === false) && (strpos($data->items[$i]->link, 'https://') === false))
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{
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$data->items[$i]->link = str_replace(' ', '%20', $url . $data->items[$i]->link);
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}
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$feed .= " <item>\n";
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$feed .= " <title>" . htmlspecialchars(strip_tags($data->items[$i]->title), ENT_COMPAT, 'UTF-8') . "</title>\n";
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$feed .= " <link>" . str_replace(' ', '%20', $data->items[$i]->link) . "</link>\n";
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if (empty($data->items[$i]->guid) === true)
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{
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$feed .= " <guid isPermaLink=\"true\">" . str_replace(' ', '%20', $data->items[$i]->link) . "</guid>\n";
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}
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else
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{
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$feed .= " <guid isPermaLink=\"false\">" . htmlspecialchars($data->items[$i]->guid, ENT_COMPAT, 'UTF-8') . "</guid>\n";
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}
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$feed .= " <description><![CDATA[" . $this->_relToAbs($data->items[$i]->description) . "]]></description>\n";
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if ($data->items[$i]->authorEmail != "")
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{
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$feed .= " <author>"
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. htmlspecialchars($data->items[$i]->authorEmail . ' (' . $data->items[$i]->author . ')', ENT_COMPAT, 'UTF-8') . "</author>\n";
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}
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/*
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* @todo: On hold
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* if ($data->items[$i]->source!="") {
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* $data.= " <source>".htmlspecialchars($data->items[$i]->source, ENT_COMPAT, 'UTF-8')."</source>\n";
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* }
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*/
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if (empty($data->items[$i]->category) === false)
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{
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if (is_array($data->items[$i]->category))
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{
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foreach ($data->items[$i]->category as $cat)
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{
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$feed .= " <category>" . htmlspecialchars($cat, ENT_COMPAT, 'UTF-8') . "</category>\n";
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}
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}
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else
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{
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$feed .= " <category>" . htmlspecialchars($data->items[$i]->category, ENT_COMPAT, 'UTF-8') . "</category>\n";
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}
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}
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if ($data->items[$i]->comments != "")
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{
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$feed .= " <comments>" . htmlspecialchars($data->items[$i]->comments, ENT_COMPAT, 'UTF-8') . "</comments>\n";
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}
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if ($data->items[$i]->date != "")
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{
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$itemDate = JFactory::getDate($data->items[$i]->date);
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$itemDate->setTimeZone($tz);
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$feed .= " <pubDate>" . htmlspecialchars($itemDate->toRFC822(true), ENT_COMPAT, 'UTF-8') . "</pubDate>\n";
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}
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if ($data->items[$i]->enclosure != null)
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{
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$feed .= " <enclosure url=\"";
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$feed .= $data->items[$i]->enclosure->url;
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$feed .= "\" length=\"";
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$feed .= $data->items[$i]->enclosure->length;
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$feed .= "\" type=\"";
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$feed .= $data->items[$i]->enclosure->type;
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$feed .= "\"/>\n";
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}
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$feed .= " </item>\n";
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}
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$feed .= " </channel>\n";
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$feed .= "</rss>\n";
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return $feed;
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}
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/**
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* Convert links in a text from relative to absolute
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*
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* @param string $text The text processed
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*
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* @return string Text with converted links
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*
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* @since 11.1
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*/
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public function _relToAbs($text)
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{
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$base = JUri::base();
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$text = preg_replace("/(href|src)=\"(?!http|ftp|https|mailto|data)([^\"]*)\"/", "$1=\"$base\$2\"", $text);
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return $text;
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}
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}
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