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 require_once( '../functions/page_header.php' );
  15
  16 /* If a user opens a new session then comes back to this one,
  17  * $base_uri isn't set because it the session is invalid.
  18  */
  19
  20 if (! isset($base_uri)) {
  21     ereg ('(^.*/)[^/]+/[^/]+$', $PHP_SELF, $regs);
  22     $base_uri = $regs[1];
  23 }
  24
  25 function is_logged_in () {
  26     global $squirrelmail_language, $frame_top, $base_uri;
  27
  28     if ( session_is_registered('user_is_logged_in') ) {
  29         return;
  30     }
  31
  32     if (!isset($frame_top) || $frame_top == '' ) {
  33         $frame_top = '_top';
  34     }
  35
  36     set_up_language($squirrelmail_language, true);
  37
  38     displayHtmlHeader( 'SquirrelMail', '', FALSE );
  39
  40     echo "<body bgcolor=\"ffffff\">\n" .
  41          '<br><br><center><b>' .
  42          _("You must be logged in to access this page.").'</b><br><br>' .
  43          "<a href=\"$base_uri" . "src/login.php\" target=\"$frame_top\">"._("Go to the login page")."</a>\n" .
  44          "</center></body></html>\n";
  45     exit;
  46 }
  47
  48 ?>