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   1  <?php
   2  
   3  /**
   4   * @package     Joomla.Site
   5   * @subpackage  com_users
   6   *
   7   * @copyright   (C) 2009 Open Source Matters, Inc. <https://www.joomla.org>
   8   * @license     GNU General Public License version 2 or later; see LICENSE.txt
   9   */
  10  
  11  namespace Joomla\Component\Users\Site\Controller;
  12  
  13  use Joomla\CMS\Component\ComponentHelper;
  14  use Joomla\CMS\MVC\Controller\BaseController;
  15  use Joomla\CMS\Router\Route;
  16  
  17  // phpcs:disable PSR1.Files.SideEffects
  18  \defined('_JEXEC') or die;
  19  // phpcs:enable PSR1.Files.SideEffects
  20  
  21  /**
  22   * Base controller class for Users.
  23   *
  24   * @since  1.5
  25   */
  26  class DisplayController extends BaseController
  27  {
  28      /**
  29       * Method to display a view.
  30       *
  31       * @param   boolean        $cachable   If true, the view output will be cached
  32       * @param   array|boolean  $urlparams  An array of safe URL parameters and their variable types,
  33       *                                     for valid values see {@link \Joomla\CMS\Filter\InputFilter::clean()}.
  34       *
  35       * @return  void
  36       *
  37       * @since   1.5
  38       * @throws  \Exception
  39       */
  40      public function display($cachable = false, $urlparams = false)
  41      {
  42          // Get the document object.
  43          $document = $this->app->getDocument();
  44  
  45          // Set the default view name and format from the Request.
  46          $vName   = $this->input->getCmd('view', 'login');
  47          $vFormat = $document->getType();
  48          $lName   = $this->input->getCmd('layout', 'default');
  49  
  50          if ($view = $this->getView($vName, $vFormat)) {
  51              // Do any specific processing by view.
  52              switch ($vName) {
  53                  case 'registration':
  54                      // If the user is already logged in, redirect to the profile page.
  55                      $user = $this->app->getIdentity();
  56  
  57                      if ($user->get('guest') != 1) {
  58                          // Redirect to profile page.
  59                          $this->setRedirect(Route::_('index.php?option=com_users&view=profile', false));
  60  
  61                          return;
  62                      }
  63  
  64                      // Check if user registration is enabled
  65                      if (ComponentHelper::getParams('com_users')->get('allowUserRegistration') == 0) {
  66                          // Registration is disabled - Redirect to login page.
  67                          $this->setRedirect(Route::_('index.php?option=com_users&view=login', false));
  68  
  69                          return;
  70                      }
  71  
  72                      // The user is a guest, load the registration model and show the registration page.
  73                      $model = $this->getModel('Registration');
  74                      break;
  75  
  76                  // Handle view specific models.
  77                  case 'profile':
  78                      // If the user is a guest, redirect to the login page.
  79                      $user = $this->app->getIdentity();
  80  
  81                      if ($user->get('guest') == 1) {
  82                          // Redirect to login page.
  83                          $this->setRedirect(Route::_('index.php?option=com_users&view=login', false));
  84  
  85                          return;
  86                      }
  87  
  88                      $model = $this->getModel($vName);
  89                      break;
  90  
  91                  // Handle the default views.
  92                  case 'login':
  93                      $model = $this->getModel($vName);
  94                      break;
  95  
  96                  case 'remind':
  97                  case 'reset':
  98                      // If the user is already logged in, redirect to the profile page.
  99                      $user = $this->app->getIdentity();
 100  
 101                      if ($user->get('guest') != 1) {
 102                          // Redirect to profile page.
 103                          $this->setRedirect(Route::_('index.php?option=com_users&view=profile', false));
 104  
 105                          return;
 106                      }
 107  
 108                      $model = $this->getModel($vName);
 109                      break;
 110  
 111                  case 'captive':
 112                  case 'methods':
 113                  case 'method':
 114                      $controller = $this->factory->createController($vName, 'Site', [], $this->app, $this->input);
 115                      $task       = $this->input->get('task', '');
 116  
 117                      return $controller->execute($task);
 118  
 119                      break;
 120  
 121                  default:
 122                      $model = $this->getModel('Login');
 123                      break;
 124              }
 125  
 126              // Make sure we don't send a referer
 127              if (in_array($vName, array('remind', 'reset'))) {
 128                  $this->app->setHeader('Referrer-Policy', 'no-referrer', true);
 129              }
 130  
 131              // Push the model into the view (as default).
 132              $view->setModel($model, true);
 133              $view->setLayout($lName);
 134  
 135              // Push document object into the view.
 136              $view->document = $document;
 137  
 138              $view->display();
 139          }
 140      }
 141  }