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   1  <?php
   2  /**
   3   * @package        Joomla.Site
   4   * @subpackage    mod_login
   5   * @copyright    Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
   6   * @license        GNU General Public License version 2 or later; see LICENSE.txt
   7   */
   8  
   9  // no direct access
  10  defined('_JEXEC') or die;
  11  
  12  class modLoginHelper
  13  {
  14  	static function getReturnURL($params, $type)
  15      {
  16          $app    = JFactory::getApplication();
  17          $router = $app->getRouter();
  18          $url = null;
  19          if ($itemid =  $params->get($type))
  20          {
  21              $db        = JFactory::getDbo();
  22              $query    = $db->getQuery(true);
  23  
  24              $query->select($db->quoteName('link'));
  25              $query->from($db->quoteName('#__menu'));
  26              $query->where($db->quoteName('published') . '=1');
  27              $query->where($db->quoteName('id') . '=' . $db->quote($itemid));
  28  
  29              $db->setQuery($query);
  30              if ($link = $db->loadResult()) {
  31                  if ($router->getMode() == JROUTER_MODE_SEF) {
  32                      $url = 'index.php?Itemid='.$itemid;
  33                  }
  34                  else {
  35                      $url = $link.'&Itemid='.$itemid;
  36                  }
  37              }
  38          }
  39          if (!$url)
  40          {
  41              // stay on the same page
  42              $uri = clone JFactory::getURI();
  43              $vars = $router->parse($uri);
  44              unset($vars['lang']);
  45              if ($router->getMode() == JROUTER_MODE_SEF)
  46              {
  47                  if (isset($vars['Itemid']))
  48                  {
  49                      $itemid = $vars['Itemid'];
  50                      $menu = $app->getMenu();
  51                      $item = $menu->getItem($itemid);
  52                      unset($vars['Itemid']);
  53                      if (isset($item) && $vars == $item->query) {
  54                          $url = 'index.php?Itemid='.$itemid;
  55                      }
  56                      else {
  57                          $url = 'index.php?'.JURI::buildQuery($vars).'&Itemid='.$itemid;
  58                      }
  59                  }
  60                  else
  61                  {
  62                      $url = 'index.php?'.JURI::buildQuery($vars);
  63                  }
  64              }
  65              else
  66              {
  67                  $url = 'index.php?'.JURI::buildQuery($vars);
  68              }
  69          }
  70  
  71          return base64_encode($url);
  72      }
  73  
  74  	static function getType()
  75      {
  76          $user = JFactory::getUser();
  77          return (!$user->get('guest')) ? 'logout' : 'login';
  78      }
  79  }