con.php

   1 <?php
   2 // $Id$
   3
   4 error_reporting(E_ALL|E_STRICT);
   5
   6 if ( version_compare(PHP_VERSION, '5.0', '<') ) {
   7         header('HTTP/1.1 500 Internal Server Error');
   8         die('PHP 5.0 or higher is required.');
   9 }
  10
  11 define('CLOCK', microtime(1));
  12 define('SO2VER', '$Rev$');
  13
  14
  15 // Empty exception types
  16 class InvalidInputException extends Exception { }
  17 class DatabaseException extends Exception { }
  18 class RateLimitException extends Exception { }
  19 // SPL compat for <5.1
  20 if (version_compare(PHP_VERSION, '5.1', '<')) {
  21         class RuntimeException extends Exception { }
  22         class LengthException extends Exception { }
  23 }
  24
  25
  26 // Don't change these numbers on a running board
  27 define('LVL_RESTRICTED', 0);
  28 define('LVL_USER', 10);
  29 define('LVL_ADMIN', 60);
  30 define('LVL_DEV', 70);
  31
  32 // Class loader
  33 function __autoload($classname)
  34 {
  35         require 'lib/class.'.$classname.'.php';
  36 }
  37
  38
  39 // Debug settings
  40 if ( !isset($_SERVER['REMOTE_ADDR']) || $_SERVER['REMOTE_ADDR'] === $_SERVER['SERVER_ADDR'] )
  41         define('DEVELOPER', 1);
  42
  43
  44 // Exception handler
  45 if ( defined('DEVELOPER') ) {
  46         ob_start();
  47
  48         function e_handler($exception)
  49         {
  50                 header('HTTP/1.1 500 Internal Server Error');
  51                 header('Content-Type: text/html; charset=UTF-8');
  52                 echo '<pre class="error">',$exception->__toString(),'</pre>';
  53                 exit;
  54         }
  55 } else {
  56         function e_handler($exception)
  57         {
  58                 restore_error_handler();
  59                 ini_set('display_errors', 0);
  60
  61                 if ( !headers_sent() ) {
  62                         header('HTTP/1.1 500 Internal Server Error');
  63                         header('Content-Type: text/html; charset=UTF-8');
  64                 }
  65
  66                 echo '<p class="error">An unrecoverable error has been detected and page execution has been halted.</p>',"\n",
  67                         '<p class="error">Try reloading the page, or contact the site owner if this happens again.</p>';
  68                 trigger_error($exception->getMessage(), E_USER_ERROR);
  69                 exit;
  70         }
  71 }
  72 set_exception_handler('e_handler');
  73
  74
  75 // Database Auth+object
  76 require 'mysql_ident.php';
  77
  78 if ( defined('DEVELOPER') )
  79         $DB = new debugmysqli($DB['host'], $DB['user'], $DB['pass'], $DB['db']);
  80 else
  81         $DB = new mysqli($DB['host'], $DB['user'], $DB['pass'], $DB['db']);
  82
  83 if ( mysqli_connect_errno() ) {
  84         header('Location: servererror');
  85 }
  86
  87
  88 // Login cookie setting hack
  89 if ( isset($_POST['login'], $_POST['u'], $_POST['p']) ) {
  90         list($_COOKIE['u'], $_COOKIE['p']) = array($_POST['u'], $_POST['p']);
  91 }
  92
  93
  94 // User Auth+object
  95 if ( isset($_POST['logout']) ) {
  96
  97         setcookie('u', null, 1);
  98         setcookie('p', null, 1);
  99         unset($_COOKIE);
 100         $user = new anonuser;
 101
 102 } elseif ( isset($_COOKIE['u'], $_COOKIE['p']) ) {
 103
 104         $q = $DB->query('SELECT `userid` FROM `users`
 105                         WHERE `alias` = \''.$DB->escape_string($_COOKIE['u']).'\'
 106                         AND `password` = AES_ENCRYPT(\''.$DB->escape_string($_COOKIE['p']).'\', `reg_ip`)');
 107
 108         if ( 1 === $q->num_rows ) {
 109                 setcookie('u', $_COOKIE['u'], time()+86400*7);
 110                 setcookie('p', $_COOKIE['p'], time()+86400*7);
 111
 112                 if ( isset($_POST['login']) )
 113                         $DB->query('UPDATE `users` SET `last_login_ip` = INET_ATON(\''.$_SERVER['REMOTE_ADDR'].'\')
 114                                         WHERE `alias` = \''.$DB->escape_string($_COOKIE['u']).'\'');
 115
 116                 if ( empty($prefetch) )
 117                         $prefetch = array();
 118
 119                 $user = new authuser($q->fetch_object()->userid, $prefetch);
 120         } else {
 121                 setcookie('u', null, 1);
 122                 setcookie('p', null, 1);
 123
 124                 $user = new anonuser;
 125         }
 126 } else {
 127         $user = new anonuser;
 128 }
 129
 130 $page = new page;
 131 ?>