functions/auth.php

   1 <?php
   2
   3 /**
   4  * auth.php
   5  *
   6  * Copyright (c) 1999-2002 The SquirrelMail Project Team
   7  * Licensed under the GNU GPL. For full terms see the file COPYING.
   8  *
   9  * Contains functions used to do authentication.
  10  *
  11  * $Id$
  12  */
  13
  14 function is_logged_in() {
  15
  16     if ( sqsession_is_registered('user_is_logged_in') ) {
  17         return;
  18     } else {
  19         global $HTTP_POST_VARS, $PHP_SELF, $session_expired_post,
  20                $session_expired_location;
  21
  22         /*  First we store some information in the new session to prevent
  23          *  information-loss.
  24          */
  25         $session_expired_post = $HTTP_POST_VARS;
  26         $session_expired_location = $PHP_SELF;
  27         if (!sqsession_is_registered('session_expired_post')) {
  28            session_register('session_expired_post');
  29         }
  30         if (!sqsession_is_registered('session_expired_location')) {
  31            session_register('session_expired_location');
  32         }
  33         include_once( '../functions/display_messages.php' );
  34         logout_error( _("You must be logged in to access this page.") );
  35         exit;
  36     }
  37 }
  38
  39 ?>