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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;
defined('JPATH_PLATFORM') or die;
use Joomla\CMS\Document\DocumentRenderer;
use Joomla\CMS\Uri\Uri;
/**
* AtomRenderer is a feed that implements the atom specification
*
* Please note that just by using this class you won't automatically
* produce valid atom files. For example, you have to specify either an
editor
* for the feed or an author for every single feed item.
*
* @link
http://www.atomenabled.org/developers/syndication/atom-format-spec.php
* @since 3.5
*
* @property-read \Joomla\CMS\Document\FeedDocument $_doc Reference to
the Document object that instantiated the renderer
*/
class AtomRenderer extends DocumentRenderer
{
/**
* Document mime type
*
* @var string
* @since 3.5
*/
protected $_mime = 'application/atom+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=atom');
$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');
$feed = "<feed xmlns=\"http://www.w3.org/2005/Atom\"
";
if ($data->getLanguage() != '')
{
$feed .= " xml:lang=\"" . $data->getLanguage() .
"\"";
}
$feed .= ">\n";
$feed .= " <title type=\"text\">" . $feed_title
. "</title>\n";
$feed .= " <subtitle type=\"text\">" .
htmlspecialchars($data->getDescription(), ENT_COMPAT, 'UTF-8')
. "</subtitle>\n";
if (!empty($data->category))
{
if (is_array($data->category))
{
foreach ($data->category as $cat)
{
$feed .= " <category term=\"" .
htmlspecialchars($cat, ENT_COMPAT, 'UTF-8') . "\"
/>\n";
}
}
else
{
$feed .= " <category term=\"" .
htmlspecialchars($data->category, ENT_COMPAT, 'UTF-8') .
"\" />\n";
}
}
$feed .= " <link rel=\"alternate\"
type=\"text/html\" href=\"" . $url .
"\"/>\n";
$feed .= " <id>" . str_replace(' ',
'%20', $data->getBase()) . "</id>\n";
$feed .= " <updated>" .
htmlspecialchars($now->toISO8601(true), ENT_COMPAT, 'UTF-8') .
"</updated>\n";
if ($data->editor != '')
{
$feed .= " <author>\n";
$feed .= " <name>" . $data->editor .
"</name>\n";
if ($data->editorEmail != '')
{
$feed .= " <email>" .
htmlspecialchars($data->editorEmail, ENT_COMPAT, 'UTF-8') .
"</email>\n";
}
$feed .= " </author>\n";
}
$versionHtmlEscaped = '';
if ($app->get('MetaVersion', 0))
{
$minorVersion = \JVersion::MAJOR_VERSION . '.' .
\JVersion::MINOR_VERSION;
$versionHtmlEscaped = ' version="' .
htmlspecialchars($minorVersion, ENT_COMPAT, 'UTF-8') .
'"';
}
$feed .= " <generator
uri=\"https://www.joomla.org\"" . $versionHtmlEscaped .
">" . $data->getGenerator() .
"</generator>\n";
$feed .= " <link rel=\"self\"
type=\"application/atom+xml\" href=\"" .
str_replace(' ', '%20', $url . $syndicationURL) .
"\"/>\n";
for ($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)));
}
$feed .= " <entry>\n";
$feed .= " <title>" .
htmlspecialchars(strip_tags($data->items[$i]->title), ENT_COMPAT,
'UTF-8') . "</title>\n";
$feed .= " <link rel=\"alternate\"
type=\"text/html\" href=\"" . $url . $itemlink .
"\"/>\n";
if ($data->items[$i]->date == '')
{
$data->items[$i]->date = $now->toUnix();
}
$itemDate = \JFactory::getDate($data->items[$i]->date);
$itemDate->setTimeZone($tz);
$feed .= " <published>" .
htmlspecialchars($itemDate->toISO8601(true), ENT_COMPAT,
'UTF-8') . "</published>\n";
$feed .= " <updated>" .
htmlspecialchars($itemDate->toISO8601(true), ENT_COMPAT,
'UTF-8') . "</updated>\n";
if (empty($data->items[$i]->guid))
{
$itemGuid = str_replace(' ', '%20', $url .
$itemlink);
}
else
{
$itemGuid = htmlspecialchars($data->items[$i]->guid, ENT_COMPAT,
'UTF-8');
}
$feed .= " <id>" . $itemGuid .
"</id>\n";
if ($data->items[$i]->author != '')
{
$feed .= " <author>\n";
$feed .= " <name>" .
htmlspecialchars($data->items[$i]->author, ENT_COMPAT,
'UTF-8') . "</name>\n";
if (!empty($data->items[$i]->authorEmail))
{
$feed .= " <email>" .
htmlspecialchars($data->items[$i]->authorEmail, ENT_COMPAT,
'UTF-8') . "</email>\n";
}
$feed .= " </author>\n";
}
if (!empty($data->items[$i]->description))
{
$feed .= " <summary type=\"html\">" .
htmlspecialchars($this->_relToAbs($data->items[$i]->description),
ENT_COMPAT, 'UTF-8') . "</summary>\n";
$feed .= " <content type=\"html\">" .
htmlspecialchars($this->_relToAbs($data->items[$i]->description),
ENT_COMPAT, 'UTF-8') . "</content>\n";
}
if (!empty($data->items[$i]->category))
{
if (is_array($data->items[$i]->category))
{
foreach ($data->items[$i]->category as $cat)
{
$feed .= " <category term=\"" .
htmlspecialchars($cat, ENT_COMPAT, 'UTF-8') . "\"
/>\n";
}
}
else
{
$feed .= " <category term=\"" .
htmlspecialchars($data->items[$i]->category, ENT_COMPAT,
'UTF-8') . "\" />\n";
}
}
if ($data->items[$i]->enclosure != null)
{
$feed .= " <link rel=\"enclosure\"
href=\"" . $data->items[$i]->enclosure->url .
"\" type=\""
. $data->items[$i]->enclosure->type . "\"
length=\"" . $data->items[$i]->enclosure->length .
"\" />\n";
}
$feed .= " </entry>\n";
}
$feed .= "</feed>\n";
return $feed;
}
}