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) 1999-2003 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 sqGetGlobalVar('js_autodetect_results', $js_autodetect_results);
  50 if(!sqGetGlobalVar('squirrelmail_language', $squirrelmail_language) || $squirrelmail_language == '') {
  51         $squirrelmail_language = $squirrelmail_default_language;
  52 }
  53 if (!sqgetGlobalVar('mailto', $mailto)) {
  54     $mailto = '';
  55 }
  56
  57 /* end of get globals */
  58
  59 set_up_language($squirrelmail_language, true);
  60 /* Refresh the language cookie. */
  61 setcookie('squirrelmail_language', $squirrelmail_language, time()+2592000,
  62           $base_uri);
  63
  64 if (!isset($login_username)) {
  65     include_once(SM_PATH .  'functions/display_messages.php' );
  66     logout_error( _("You must be logged in to access this page.") );
  67     exit;
  68 }
  69
  70 if (!sqsession_is_registered('user_is_logged_in')) {
  71     do_hook ('login_before');
  72
  73     $onetimepad = OneTimePadCreate(strlen($secretkey));
  74     $key = OneTimePadEncrypt($secretkey, $onetimepad);
  75     sqsession_register($onetimepad, 'onetimepad');
  76
  77     /* remove redundant spaces */
  78     $login_username = trim($login_username);
  79
  80     /* Verify that username and password are correct. */
  81     if ($force_username_lowercase) {
  82         $login_username = strtolower($login_username);
  83     }
  84
  85     $imapConnection = sqimap_login($login_username, $key, $imapServerAddress, $imapPort, 0);
  86
  87     $sqimap_capabilities = sqimap_capability($imapConnection);
  88     sqsession_register($sqimap_capabilities, 'sqimap_capabilities');
  89     $delimiter = sqimap_get_delimiter ($imapConnection);
  90
  91     sqimap_logout($imapConnection);
  92     sqsession_register($delimiter, 'delimiter');
  93
  94     $username = $login_username;
  95     sqsession_register ($username, 'username');
  96     setcookie('key', $key, 0, $base_uri);
  97     do_hook ('login_verified');
  98
  99 }
 100
 101 /* Set the login variables. */
 102 $user_is_logged_in = true;
 103 $just_logged_in = true;
 104
 105 /* And register with them with the session. */
 106 sqsession_register ($user_is_logged_in, 'user_is_logged_in');
 107 sqsession_register ($just_logged_in, 'just_logged_in');
 108
 109 /* parse the accepted content-types of the client */
 110 $attachment_common_types = array();
 111 $attachment_common_types_parsed = array();
 112 sqsession_register($attachment_common_types, 'attachment_common_types');
 113 sqsession_register($attachment_common_types_parsed, 'attachment_common_types_parsed');
 114
 115 $debug = false;
 116
 117 if ( sqgetGlobalVar('HTTP_ACCEPT', $http_accept, SQ_SERVER) &&
 118     !isset($attachment_common_types_parsed[$http_accept]) ) {
 119     attachment_common_parse($http_accept, $debug);
 120 }
 121
 122 /* Complete autodetection of Javascript. */
 123 $javascript_setting = getPref
 124     ($data_dir, $username, 'javascript_setting', SMPREF_JS_AUTODETECT);
 125 $js_autodetect_results = (isset($js_autodetect_results) ?
 126     $js_autodetect_results : SMPREF_JS_OFF);
 127 /* See if it's set to "Always on" */
 128 $js_pref = SMPREF_JS_ON;
 129 if ($javascript_setting != SMPREF_JS_ON){
 130     if ($javascript_setting == SMPREF_JS_AUTODETECT) {
 131         if ($js_autodetect_results == SMPREF_JS_OFF) {
 132             $js_pref = SMPREF_JS_OFF;
 133         }
 134     } else {
 135         $js_pref = SMPREF_JS_OFF;
 136     }
 137 }
 138 /* Update the prefs */
 139 setPref($data_dir, $username, 'javascript_on', $js_pref);
 140
 141 /* Compute the URL to forward the user to. */
 142 $redirect_url = $location . '/webmail.php';
 143
 144 if ( sqgetGlobalVar('session_expired_location', $session_expired_location, SQ_SESSION) ) {
 145     sqsession_unregister('session_expired_location');
 146     $compose_new_win = getPref($data_dir, $username, 'compose_new_win', 0);
 147     if ($compose_new_win) {
 148         // do not prefix $location here because $session_expired_location is set to PHP_SELF
 149         // of the last page
 150         $redirect_url = $session_expired_location;
 151     } elseif ( strpos($session_expired_location, 'webmail.php') === FALSE ) {
 152         $redirect_url = $location.'/webmail.php?right_frame='.urldecode($session_expired_location);
 153     }
 154     unset($session_expired_location);
 155 }
 156 if($mailto != '') {
 157     $redirect_url  = $location . '/webmail.php?right_frame=compose.php&mailto=';
 158     $redirect_url .= $mailto;
 159 }
 160
 161 /* Write session data and send them off to the appropriate page. */
 162 session_write_close();
 163 header("Location: $redirect_url");
 164
 165 /* --------------------- end main ----------------------- */
 166
 167 function attachment_common_parse($str, $debug) {
 168     global $attachment_common_types, $attachment_common_types_parsed;
 169
 170     $attachment_common_types_parsed[$str] = true;
 171
 172     /*
 173      * Replace ", " with "," and explode on that as Mozilla 1.x seems to
 174      * use "," to seperate whilst IE, and earlier versions of Mozilla use
 175      * ", " to seperate
 176      */
 177
 178     $str = str_replace( ', ' , ',' , $str );
 179     $types = explode(',', $str);
 180
 181     foreach ($types as $val) {
 182         // Ignore the ";q=1.0" stuff
 183         if (strpos($val, ';') !== false)
 184             $val = substr($val, 0, strpos($val, ';'));
 185
 186         if (! isset($attachment_common_types[$val])) {
 187             $attachment_common_types[$val] = true;
 188         }
 189     }
 190     $_SESSION['attachment_common_types'] = $attachment_common_types;
 191 }
 192
 193
 194 ?>