includes/session.inc

   1 <?php
   2 /**********************************************************************
   3         Copyright (C) FrontAccounting, LLC.
   4         Released under the terms of the GNU General Public License, GPL,
   5         as published by the Free Software Foundation, either version 3
   6         of the License, or (at your option) any later version.
   7         This program is distributed in the hope that it will be useful,
   8         but WITHOUT ANY WARRANTY; without even the implied warranty of
   9         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  10         See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
  11 ***********************************************************************/
  12 function output_html($text)
  13 {
  14         global $before_box, $Ajax, $messages;
  15         // Fatal errors are not send to error_handler,
  16         // so we must check the output
  17         if ($text && preg_match('/\bFatal error(<.*?>)?:(.*)/i', $text, $m)) {
  18                 $Ajax->aCommands = array();  // Don't update page via ajax on errors
  19                 $text = preg_replace('/\bFatal error(<.*?>)?:(.*)/i','', $text);
  20                 $messages[] = array(E_ERROR, $m[2], null, null);
  21         }
  22         $Ajax->run();
  23         return  in_ajax() ? fmt_errors() : ($before_box.fmt_errors().$text);
  24 }
  25 //----------------------------------------------------------------------------------------
  26
  27 function kill_login()
  28 {
  29         session_unset();
  30         session_destroy();
  31 }
  32 //----------------------------------------------------------------------------------------
  33
  34 function login_fail()
  35 {
  36         header("HTTP/1.1 401 Authorization Required");
  37         echo "<center><br><br><font size='5' color='red'><b>" . _("Incorrect Password") . "<b></font><br><br>";
  38         echo "<b>" . _("The user and password combination is not valid for the system.") . "<b><br><br>";
  39
  40         echo _("If you are not an authorized user, please contact your system administrator to obtain an account to enable you to use the system.");
  41         echo "<br><a href='javascript:history.go(-1)'>" . _("Back") . "</a>";
  42         echo "</center>";
  43
  44         kill_login();
  45         die();
  46 }
  47
  48 //-----------------------------------------------------------------------------
  49 //      Removing magic quotes from nested arrays/variables
  50 //
  51 function strip_quotes($data)
  52 {
  53         if(get_magic_quotes_gpc()) {
  54                 if(is_array($data)) {
  55                         foreach($data as $k => $v) {
  56                                 $data[$k] = strip_quotes($data[$k]);
  57                         }
  58                 } else
  59                         return stripslashes($data);
  60         }
  61         return $data;
  62 }
  63
  64 //============================================================================
  65 if (!isset($path_to_root))
  66 {
  67         $path_to_root = ".";
  68 }
  69
  70 // Prevent register_globals vulnerability
  71 if (isset($_GET['path_to_root']) || isset($_POST['path_to_root']))
  72         die("Restricted access");
  73
  74 include_once($path_to_root . "/frontaccounting.php");
  75 include_once($path_to_root . "/includes/current_user.inc");
  76 include_once($path_to_root . "/includes/lang/language.php");
  77 include_once($path_to_root . "/config_db.php");
  78 include_once($path_to_root . "/includes/ajax.inc");
  79 include_once($path_to_root . "/includes/ui/ui_msgs.inc");
  80
  81 /*
  82         Make sure this directory exists and is writable!
  83 //      $session_save_path = dirname(__FILE__).'/../tmp/';
  84 */
  85
  86 session_name('FrontAccounting');
  87 session_start();
  88 // this is to fix the "back-do-you-want-to-refresh" issue - thanx PHPFreaks
  89 header("Cache-control: private");
  90
  91 get_text::init();
  92
  93 // Page Initialisation
  94 if (!isset($_SESSION['languages']))
  95 {
  96         language::load_languages(); // sets also default $_SESSION['language']
  97 }
  98
  99 language::set_language($_SESSION['language']->code);
 100
 101 include_once($path_to_root . "/config.php");
 102 include_once($path_to_root . "/includes/main.inc");
 103
 104 $Ajax =& new Ajax();
 105
 106 // intercept all output to destroy it in case of ajax call
 107 register_shutdown_function('end_flush');
 108 ob_start('output_html',0);
 109
 110 // colect all error msgs
 111 set_error_handler('error_handler' /*, errtypes */);
 112
 113 if (!isset($_SESSION["wa_current_user"]))
 114         $_SESSION["wa_current_user"] = new current_user();
 115 set_global_connection();
 116
 117 if (!$_SESSION["wa_current_user"]->logged_in())
 118 {
 119         // Show login screen
 120         if (!isset($_POST["user_name_entry_field"]) or $_POST["user_name_entry_field"] == "")
 121         {
 122                 include($path_to_root . "/access/login.php");
 123                 $Ajax->redirect($path_to_root . "/access/login.php");
 124                 exit;
 125         } else {
 126                 $succeed = $_SESSION["wa_current_user"]->login($_POST["company_login_name"],
 127                         $_POST["user_name_entry_field"],
 128                         md5($_POST["password"]));
 129                 // select full vs fallback ui mode on login
 130                 $_SESSION["wa_current_user"]->ui_mode = $_POST['ui_mode'];
 131                 if (!$succeed)
 132                 {
 133                         // Incorrect password
 134                         login_fail();
 135                 }
 136                 $lang = $_SESSION['language'];
 137                 language::set_language($_SESSION['language']->code);
 138         }
 139 }
 140
 141 if (!isset($_SESSION["App"])) {
 142         $_SESSION["App"] = new front_accounting();
 143         $_SESSION["App"]->init();
 144 }
 145
 146 // Run with debugging messages for the system administrator(s) but not anyone else
 147 /*if (in_array(15, $security_groups[$_SESSION["AccessLevel"]])) {
 148         $debug = 1;
 149 } else {
 150         $debug = 0;
 151 }*/
 152
 153 //----------------------------------------------------------------------------------------
 154
 155 // POST vars cleanup needed for direct reuse.
 156 // We quote all values later with db_escape() before db update.
 157         $_POST = strip_quotes($_POST);
 158
 159 ?>