src/redirect.php

   1 <?php
   2
   3 /**
   4 * redirect.php
   5 * Derived from webmail.php by Ralf Kraudelt <kraude@wiwi.uni-rostock.de>
   6 *
   7 * Copyright (c) 1999-2004 The SquirrelMail Project Team
   8 * Licensed under the GNU GPL. For full terms see the file COPYING.
   9 *
  10 * Prevents users from reposting their form data after a successful logout.
  11 *
  12 * $Id$
  13 * @package squirrelmail
  14 */
  15
  16 /** Path for SquirrelMail required files. */
  17 define('SM_PATH','../');
  18
  19 /* SquirrelMail required files. */
  20 require_once(SM_PATH . 'functions/global.php');
  21 require_once(SM_PATH . 'functions/i18n.php');
  22 require_once(SM_PATH . 'functions/strings.php');
  23 require_once(SM_PATH . 'config/config.php');
  24 require_once(SM_PATH . 'functions/prefs.php');
  25 require_once(SM_PATH . 'functions/imap.php');
  26 require_once(SM_PATH . 'functions/plugin.php');
  27 require_once(SM_PATH . 'functions/constants.php');
  28 require_once(SM_PATH . 'functions/page_header.php');
  29
  30 /* Before starting the session, the base URI must be known. Assuming */
  31 /* that this file is in the src/ subdirectory (or something).        */
  32 if (!function_exists('sqm_baseuri')){
  33     require_once(SM_PATH . 'functions/display_messages.php');
  34 }
  35 $base_uri = sqm_baseuri();
  36
  37 header('Pragma: no-cache');
  38 $location = get_location();
  39
  40 session_set_cookie_params (0, $base_uri);
  41 sqsession_is_active();
  42
  43 sqsession_unregister ('user_is_logged_in');
  44 sqsession_register ($base_uri, 'base_uri');
  45
  46 /* get globals we me need */
  47 sqGetGlobalVar('login_username', $login_username);
  48 sqGetGlobalVar('secretkey', $secretkey);
  49 if(!sqGetGlobalVar('squirrelmail_language', $squirrelmail_language) || $squirrelmail_language == '') {
  50         $squirrelmail_language = $squirrelmail_default_language;
  51 }
  52 if (!sqgetGlobalVar('mailto', $mailto)) {
  53     $mailto = '';
  54 }
  55
  56 /* end of get globals */
  57
  58 set_up_language($squirrelmail_language, true);
  59 /* Refresh the language cookie. */
  60 setcookie('squirrelmail_language', $squirrelmail_language, time()+2592000,
  61           $base_uri);
  62
  63 if (!isset($login_username)) {
  64     include_once(SM_PATH .  'functions/display_messages.php' );
  65     logout_error( _("You must be logged in to access this page.") );
  66     exit;
  67 }
  68
  69 if (!sqsession_is_registered('user_is_logged_in')) {
  70     do_hook ('login_before');
  71
  72     $onetimepad = OneTimePadCreate(strlen($secretkey));
  73     $key = OneTimePadEncrypt($secretkey, $onetimepad);
  74     sqsession_register($onetimepad, 'onetimepad');
  75
  76     /* remove redundant spaces */
  77     $login_username = trim($login_username);
  78
  79     /* Verify that username and password are correct. */
  80     if ($force_username_lowercase) {
  81         $login_username = strtolower($login_username);
  82     }
  83
  84     $imapConnection = sqimap_login($login_username, $key, $imapServerAddress, $imapPort, 0);
  85
  86     $sqimap_capabilities = sqimap_capability($imapConnection);
  87     sqsession_register($sqimap_capabilities, 'sqimap_capabilities');
  88     $delimiter = sqimap_get_delimiter ($imapConnection);
  89
  90     sqimap_logout($imapConnection);
  91     sqsession_register($delimiter, 'delimiter');
  92
  93     $username = $login_username;
  94     sqsession_register ($username, 'username');
  95     setcookie('key', $key, 0, $base_uri);
  96     do_hook ('login_verified');
  97
  98 }
  99
 100 /* Set the login variables. */
 101 $user_is_logged_in = true;
 102 $just_logged_in = true;
 103
 104 /* And register with them with the session. */
 105 sqsession_register ($user_is_logged_in, 'user_is_logged_in');
 106 sqsession_register ($just_logged_in, 'just_logged_in');
 107
 108 /* parse the accepted content-types of the client */
 109 $attachment_common_types = array();
 110 $attachment_common_types_parsed = array();
 111 sqsession_register($attachment_common_types, 'attachment_common_types');
 112 sqsession_register($attachment_common_types_parsed, 'attachment_common_types_parsed');
 113
 114 $debug = false;
 115
 116 if ( sqgetGlobalVar('HTTP_ACCEPT', $http_accept, SQ_SERVER) &&
 117     !isset($attachment_common_types_parsed[$http_accept]) ) {
 118     attachment_common_parse($http_accept, $debug);
 119 }
 120
 121 /* Complete autodetection of Javascript. */
 122 checkForJavascript();
 123
 124 /* Compute the URL to forward the user to. */
 125 $redirect_url = $location . '/webmail.php';
 126
 127 if ( sqgetGlobalVar('session_expired_location', $session_expired_location, SQ_SESSION) ) {
 128     sqsession_unregister('session_expired_location');
 129     $compose_new_win = getPref($data_dir, $username, 'compose_new_win', 0);
 130     if ($compose_new_win) {
 131         // do not prefix $location here because $session_expired_location is set to PHP_SELF
 132         // of the last page
 133         $redirect_url = $session_expired_location;
 134     } elseif ( strpos($session_expired_location, 'webmail.php') === FALSE ) {
 135         $redirect_url = $location.'/webmail.php?right_frame='.urldecode($session_expired_location);
 136     }
 137     unset($session_expired_location);
 138 }
 139 if($mailto != '') {
 140     $redirect_url  = $location . '/webmail.php?right_frame=compose.php&mailto=';
 141     $redirect_url .= $mailto;
 142 }
 143
 144 /* Write session data and send them off to the appropriate page. */
 145 session_write_close();
 146 header("Location: $redirect_url");
 147
 148 /* --------------------- end main ----------------------- */
 149
 150 function attachment_common_parse($str, $debug) {
 151     global $attachment_common_types, $attachment_common_types_parsed;
 152
 153     $attachment_common_types_parsed[$str] = true;
 154
 155     /*
 156      * Replace ", " with "," and explode on that as Mozilla 1.x seems to
 157      * use "," to seperate whilst IE, and earlier versions of Mozilla use
 158      * ", " to seperate
 159      */
 160
 161     $str = str_replace( ', ' , ',' , $str );
 162     $types = explode(',', $str);
 163
 164     foreach ($types as $val) {
 165         // Ignore the ";q=1.0" stuff
 166         if (strpos($val, ';') !== false)
 167             $val = substr($val, 0, strpos($val, ';'));
 168
 169         if (! isset($attachment_common_types[$val])) {
 170             $attachment_common_types[$val] = true;
 171         }
 172     }
 173     $_SESSION['attachment_common_types'] = $attachment_common_types;
 174 }
 175
 176
 177 ?>