src/redirect.php

   1 <?php
   2     /**
   3      * redirect.php
   4      * Derived from webmail.php by Ralf Kraudelt <kraude@wiwi.uni-rostock.de>
   5      *
   6      * Copyright (c) 1999-2001 The Squirrelmail Development Team
   7      * Licensed under the GNU GPL. For full terms see the file COPYING.
   8      *
   9      * Prevents users from reposting their form data after a successful logout.
  10      *
  11      * $Id$
  12      */
  13
  14     require_once('../functions/i18n.php');
  15     require_once('../functions/strings.php');
  16     require_once('../config/config.php');
  17
  18     /* Before starting the session, the base URI must be known. Assuming */
  19     /* that this file is in the src/ subdirectory (or something).        */
  20     ereg ("(^.*/)[^/]+/[^/]+$", $PHP_SELF, $regs);
  21     $base_uri = $regs[1];
  22
  23     header('Pragma: no-cache');
  24     $location = get_location();
  25
  26     session_set_cookie_params (0, $base_uri);
  27     session_start();
  28
  29     session_unregister ('user_is_logged_in');
  30     session_register ('base_uri');
  31
  32     if (! isset($squirrelmail_language)) {
  33         $squirrelmail_language = '';
  34     }
  35     set_up_language($squirrelmail_language, true);
  36
  37     if (!isset($login_username)) {
  38         echo "<HTML><BODY BGCOLOR=\"#ffffff\">\n";
  39         echo "<BR><BR>\n";
  40         echo "<CENTER>\n";
  41         echo '  <B>' . _("You must be logged in to access this page.") . "</B><BR>";
  42         echo '  <A HREF="../src/login.php">'  . _("Go to the login page") . "</A>\n";
  43         echo "</CENTER>\n";
  44         echo "</BODY></HTML>\n";
  45         exit;
  46     }
  47
  48     /* Refresh the language cookie. */
  49     if (isset($squirrelmail_language)) {
  50         setcookie('squirrelmail_language', $squirrelmail_language, time()+2592000,$base_uri);
  51     }
  52
  53     require_once('../functions/prefs.php');
  54     require_once('../functions/imap.php');
  55     require_once('../functions/plugin.php');
  56     require_once('../functions/constants.php');
  57
  58     if (!session_is_registered('user_is_logged_in')) {
  59         do_hook ('login_before');
  60
  61         $onetimepad = OneTimePadCreate(strlen($secretkey));
  62         $key = OneTimePadEncrypt($secretkey, $onetimepad);
  63         session_register('onetimepad');
  64
  65         /* Verify that username and password are correct. */
  66         if ($force_username_lowercase) {
  67             $login_username = strtolower($login_username);
  68         }
  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         } else {
  81             $delimiter = sqimap_get_delimiter ($imapConnection);
  82         }
  83         sqimap_logout($imapConnection);
  84
  85         $username = $login_username;
  86         session_register ('username');
  87         setcookie('key', $key, 0, $base_uri);
  88         setcookie('delimiter', $delimiter, 0, $base_uri);
  89         do_hook ('login_verified');
  90     }
  91
  92     /* Set the login variables. */
  93     $user_is_logged_in = true;
  94     $just_logged_in = true;
  95
  96     /* And register with them with the session. */
  97     session_register ('user_is_logged_in');
  98     session_register ('just_logged_in');
  99
 100     /* Complete autodetection of Javascript. */
 101     checkForPrefs($data_dir, $username);
 102     $javascript_setting = getPref($data_dir, $username, 'javascript_setting', SMPREF_JS_AUTODETECT);
 103     $js_autodetect_results = (isset($js_autodetect_results) ? $js_autodetect_results : SMPREF_JS_OFF);
 104     if ($javascript_setting == SMPREF_JS_AUTODETECT) {
 105         if ($js_autodetect_results == SMPREF_JS_ON) {
 106             setPref($data_dir, $username, 'javascript_on', SMPREF_JS_ON);
 107         } else {
 108             setPref($data_dir, $username, 'javascript_on', SMPREF_JS_OFF);
 109         }
 110     } else {
 111         setPref($data_dir, $username, 'javascript_on', SMPREF_JS_OFF);
 112     }
 113
 114     /* Compute the URL to forward the user to. */
 115     if(isset($rcptemail)) {
 116         $redirect_url = 'webmail.php?right_frame=compose.php&rcptaddress=';
 117         $redirect_url .= urlencode($rcptemail);
 118     } else {
 119         $redirect_url = 'webmail.php';
 120     }
 121
 122     /* Send them off to the appropriate page. */
 123     header("Location: $redirect_url");
 124 ?>