Current Directory: /home/astoriaah/www/old15/administrator/components/com_sh404sef/helpers
Viewing File: /home/astoriaah/www/old15/administrator/components/com_sh404sef/helpers/shurl.php
<?php
/**
* sh404SEF - SEO extension for Joomla!
*
* @author Yannick Gaultier
* @copyright (c) Yannick Gaultier 2014
* @package sh404SEF
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
* @version 4.4.4.1791
* @date 2014-07-01
*/
// Security check to ensure this file is being included by a parent file.
if (!defined('_JEXEC'))
die('Direct Access to this location is not allowed.');
class Sh404sefHelperShurl
{
public static function updateShurls()
{
static $_updated = false;
if ($_updated)
{
return;
}
else
{
$_updated = true;
}
$pageInfo = &Sh404sefFactory::getPageInfo();
$sefConfig = &Sh404sefFactory::getConfig();
$pageInfo->shURL = empty($pageInfo->shURL) ? '' : $pageInfo->shURL;
if ($sefConfig->enablePageId && !$sefConfig->stopCreatingShurls)
{
try
{
jimport('joomla.utilities.string');
$nonSefUrl = JString::ltrim($pageInfo->currentNonSefUrl, '/');
$nonSefUrl = Sh404sefHelperUrl::sortUrl($nonSefUrl);
// make sure we have a language
$nonSefUrl = Sh404sefHelperUrl::setUrlVar($nonSefUrl, 'lang', $pageInfo->currentLanguageShortTag);
// remove tracking vars (Google Analytics)
$nonSefUrl = Sh404sefHelperUrl::stripTrackingVarsFromNonSef($nonSefUrl);
// try to get the current shURL, if any
$shURL = ShlDbHelper::selectResult('#__sh404sef_pageids', array('pageid'), array('newurl' => $nonSefUrl));
// if none, we may have to create one
if (empty($shURL))
{
$shURL = self::_createShurl($nonSefUrl);
}
// insert in head and header, if not empty
if (!empty($shURL))
{
$fullShURL = JString::ltrim($pageInfo->getDefaultFrontLiveSite(), '/') . '/' . $shURL;
$document = JFactory::getDocument();
if ($sefConfig->insertShortlinkTag)
{
$document->addHeadLink($fullShURL, 'shortlink');
// also add header, especially for HEAD requests
JResponse::setHeader('Link', '<' . $fullShURL . '>; rel=shortlink', true);
}
if ($sefConfig->insertRevCanTag)
{
$document->addHeadLink($fullShURL, 'canonical', 'rev', array('type' => 'text/html'));
}
if ($sefConfig->insertAltShorterTag)
{
$document->addHeadLink($fullShURL, 'alternate shorter');
}
// store for reuse
$pageInfo->shURL = $shURL;
}
}
catch (Exception $e)
{
ShlSystem_Log::error('sh404sef', '%s::%s::%d: %s', __CLASS__, __METHOD__, __LINE__, $e->getMessage());
}
}
}
protected static function _createShurl($nonSefUrl)
{
if (empty($nonSefUrl))
{
return '';
}
// only create a shURL if current page returns a 200
$headers = JResponse::getHeaders();
// check if we have a status
foreach ($headers as $header)
{
if (strtolower($header['name']) == 'status' && $header['value'] != 200)
{
// error or redirection, don't shurl that
return '';
}
}
// check various conditions, to avoid overloading ourselves with shURL
// not on homepage
if (shIsAnyHomepage($nonSefUrl))
{
return '';
}
// not for format = raw, format = pdf or printing
$format = Sh404sefHelperUrl::getUrlVar($nonSefUrl, 'format');
if (in_array(strtolower($format), array('raw', 'pdf')))
{
return '';
}
$print = Sh404sefHelperUrl::getUrlVar($nonSefUrl, 'print');
if ($print == 1)
{
return '';
}
// not if tmpl not empty or not index
$tmpl = Sh404sefHelperUrl::getUrlVar($nonSefUrl, 'tmpl');
if (!empty($tmpl) && $tmpl != 'index')
{
return '';
}
// force global setting
shMustCreatePageId('set', true);
// get a model and create shURL
$model = ShlMvcModel_Base::getInstance('Pageids', 'Sh404sefModel');
$shURL = $model->createPageId('', $nonSefUrl);
return $shURL;
}
}