src/redirect.php

   1 <?php
   2
   3    /**
   4     **  redirect.php -- derived from webmail.php by Ralf Kraudelt
   5     **                                              kraude@wiwi.uni-rostock.de
   6     **
   7     **  Copyright (c) 1999-2000 ...
   8     **  Licensed under the GNU GPL. For full terms see the file COPYING.
   9     **
  10     **  prevents users from reposting their form data after a
  11     **  successful logout
  12     **
  13     **  $Id$
  14     **/
  15
  16    include('../functions/i18n.php');
  17    include ('../functions/strings.php');
  18    include('../config/config.php');
  19
  20    // Before starting the session, the base URI must be known.
  21    // Assuming that this file is in the src/ subdirectory (or
  22    // something).
  23    ereg ("(^.*/)[^/]+/[^/]+$", $PHP_SELF, $regs);
  24    $base_uri = $regs[1];
  25
  26    header('Pragma: no-cache');
  27    $location = get_location();
  28
  29    session_set_cookie_params (0, $base_uri);
  30    session_start();
  31
  32    session_unregister ('user_is_logged_in');
  33    session_register ('base_uri');
  34
  35    if(!isset($login_username)) {
  36       echo "<html><body bgcolor=\"ffffff\">\n";
  37       echo "<br><br>";
  38       echo "<center>";
  39       echo "<b>"._("You must be logged in to access this page.")."</b><br>";
  40       echo "<a href=\"../src/login.php\">"._("Go to the login page")."</a>\n";
  41       echo "</center>";
  42       echo "</body></html>\n";
  43       exit;
  44    }
  45
  46    // Refresh the language cookie.
  47    if (isset($squirrelmail_language)) {
  48       setcookie('squirrelmail_language', $squirrelmail_language, time()+2592000);
  49    }
  50
  51
  52    include ('../functions/prefs.php');
  53    include ('../functions/imap.php');
  54    include ('../functions/plugin.php');
  55
  56    if (!session_is_registered('user_is_logged_in') || $logged_in != 1) {
  57       do_hook ('login_before');
  58
  59       $onetimepad = OneTimePadCreate(strlen($secretkey));
  60       $key = OneTimePadEncrypt($secretkey, $onetimepad);
  61       session_register('onetimepad');
  62       // verify that username and password are correct
  63       if ($force_username_lowercase)
  64           $login_username = strtolower($login_username);
  65       $imapConnection = sqimap_login($login_username, $key, $imapServerAddress, $imapPort, 0);
  66           if (!$imapConnection) {
  67              echo "<html><body bgcolor=\"ffffff\">\n";
  68              echo "<br><br>";
  69              echo "<center>";
  70              echo "<b>"._("There was an error contacting the mail server.")."</b><br>";
  71              echo _("Contact your administrator for help.")."\n";
  72              echo "</center>";
  73              echo "</body></html>\n";
  74              exit;
  75           }
  76       sqimap_logout($imapConnection);
  77
  78       setcookie('username', $login_username, 0, $base_uri);
  79       setcookie('key', $key, 0, $base_uri);
  80       setcookie('logged_in', 1, 0, $base_uri);
  81       do_hook ('login_verified');
  82    }
  83
  84    $user_is_logged_in = true;
  85    session_register ('user_is_logged_in');
  86
  87    if(isset($rcptemail))
  88       header("Location: webmail.php?right_frame=compose.php&rcptaddress=$rcptemail");
  89    else
  90       header("Location: webmail.php");
  91 ?>