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    require_once('../functions/i18n.php');
  17    require_once('../functions/strings.php');
  18    require_once('../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, $base_uri);
  30    session_start();
  31
  32    session_unregister ('user_is_logged_in');
  33    session_register ('base_uri');
  34
  35    if (! isset($squirrelmail_language))
  36       $squirrelmail_language = '';
  37    set_up_language($squirrelmail_language, true);
  38
  39    if(!isset($login_username)) {
  40       echo "<html><body bgcolor=\"#ffffff\">\n";
  41       echo "<br><br>";
  42       echo "<center>";
  43       echo "<b>"._("You must be logged in to access this page.")."</b><br>";
  44       echo "<a href=\"../src/login.php\">"._("Go to the login page")."</a>\n";
  45       echo "</center>";
  46       echo "</body></html>\n";
  47       exit;
  48    }
  49
  50    // Refresh the language cookie.
  51    if (isset($squirrelmail_language)) {
  52       setcookie('squirrelmail_language', $squirrelmail_language, time()+2592000,$base_uri);
  53    }
  54
  55
  56    require_once('../functions/prefs.php');
  57    require_once('../functions/imap.php');
  58    require_once('../functions/plugin.php');
  59
  60    if (!session_is_registered('user_is_logged_in')) {
  61       do_hook ('login_before');
  62
  63       $onetimepad = OneTimePadCreate(strlen($secretkey));
  64       $key = OneTimePadEncrypt($secretkey, $onetimepad);
  65       session_register('onetimepad');
  66       // verify that username and password are correct
  67       if ($force_username_lowercase)
  68           $login_username = strtolower($login_username);
  69
  70       $imapConnection = sqimap_login($login_username, $key, $imapServerAddress, $imapPort, 0);
  71       if (!$imapConnection) {
  72          echo "<html><body bgcolor=\"#ffffff\">\n";
  73          echo "<br><br>";
  74          echo "<center>";
  75          echo "<b>"._("There was an error contacting the mail server.")."</b><br>";
  76          echo _("Contact your administrator for help.")."\n";
  77          echo "</center>";
  78          echo "</body></html>\n";
  79          exit;
  80       }
  81       sqimap_logout($imapConnection);
  82
  83       $username = $login_username;
  84       session_register ('username');
  85       setcookie('key', $key, 0, $base_uri);
  86       do_hook ('login_verified');
  87    }
  88
  89    $user_is_logged_in = true;
  90    session_register ('user_is_logged_in');
  91    $just_logged_in = true;
  92    session_register ('just_logged_in');
  93
  94    if(isset($rcptemail))
  95       header("Location: webmail.php?right_frame=compose.php&rcptaddress=" .
  96          urlencode($rcptemail));
  97    else
  98       header("Location: webmail.php");
  99 ?>