| 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 ( session_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 (!session_is_registered('session_expired_post')) { |
| 28 | session_register('session_expired_post'); |
| 29 | } |
| 30 | if (!session_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 | ?> |