con.php

   1 <?php
   2 // $Id$
   3
   4 if ( version_compare(PHP_VERSION, '5.0', '<') ) {
   5         header('HTTP/1.1 500 Internal Server Error');
   6         die('PHP 5.0 or higher is required.');
   7 }
   8
   9 error_reporting(E_ALL|E_STRICT);
  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
  20 // SPL exception names only in >=5.1
  21 if (version_compare(PHP_VERSION, '5.1', '<')) {
  22         class RuntimeException extends Exception {}
  23         class LengthException extends Exception {}
  24 }
  25
  26
  27 // Keep these numbers in order, and don't change them unless your DB is empty
  28 define('LVL_RESTRICTED', 0);
  29 define('LVL_USER', 10);
  30 define('LVL_ADMIN', 60);
  31 define('LVL_DEV', 70);
  32
  33 // Class loader
  34 function __autoload($classname)
  35 {
  36         require 'lib/class.'.$classname.'.php';
  37 }
  38
  39
  40 // Debug settings
  41 if ( !isset($_SERVER['REMOTE_ADDR']) || $_SERVER['REMOTE_ADDR'] === $_SERVER['SERVER_ADDR'] )
  42         define('DEVELOPER', 1);
  43
  44
  45 // Exception handler
  46 if ( defined('DEVELOPER') ) {
  47         ob_start();
  48
  49         function e_handler($exception)
  50         {
  51                 header('HTTP/1.1 500 Internal Server Error');
  52                 header('Content-Type: text/html; charset=UTF-8');
  53                 echo '<pre class="error">',$exception->__toString(),'</pre>';
  54                 exit;
  55         }
  56 } else {
  57         function e_handler($exception)
  58         {
  59                 restore_error_handler();
  60                 ini_set('display_errors', 0);
  61
  62                 if ( !headers_sent() ) {
  63                         header('HTTP/1.1 500 Internal Server Error');
  64                         header('Content-Type: text/html; charset=UTF-8');
  65                 }
  66
  67                 echo '<p class="error">An unrecoverable error has been detected and page execution has been halted.</p>',"\n",
  68                         '<p class="error">Try reloading the page, or contact the site owner if this happens consistently.</p>';
  69                 trigger_error($exception->getMessage(), E_USER_ERROR);
  70                 exit;
  71         }
  72 }
  73 set_exception_handler('e_handler');
  74
  75
  76 // Database Auth+object
  77 require 'mysql_ident.php';
  78
  79 if ( defined('DEVELOPER') )
  80         $DB = new debugmysqli($DB['host'], $DB['user'], $DB['pass'], $DB['db']);
  81 else
  82         $DB = new mysqli($DB['host'], $DB['user'], $DB['pass'], $DB['db']);
  83
  84 if ( mysqli_connect_errno() ) {
  85         header('Location: servererror');
  86 }
  87
  88
  89 // Login cookie setting hack
  90 if ( isset($_POST['login'], $_POST['u'], $_POST['p']) ) {
  91         list($_COOKIE['u'], $_COOKIE['p']) = array($_POST['u'], $_POST['p']);
  92 }
  93
  94
  95 // User Auth+object
  96 if ( isset($_POST['logout']) ) {
  97
  98         setcookie('u', null, 1);
  99         setcookie('p', null, 1);
 100         unset($_COOKIE);
 101         $user = new anonuser;
 102
 103 } elseif ( isset($_COOKIE['u'], $_COOKIE['p']) ) {
 104
 105         $q = $DB->query('SELECT `userid` FROM `users`
 106                         WHERE `alias` = \''.$DB->escape_string($_COOKIE['u']).'\'
 107                         AND `password` = AES_ENCRYPT(\''.$DB->escape_string($_COOKIE['p']).'\', `reg_ip`)');
 108
 109         if ( 1 === $q->num_rows ) {
 110                 setcookie('u', $_COOKIE['u'], time()+86400*7);
 111                 setcookie('p', $_COOKIE['p'], time()+86400*7);
 112
 113                 if ( isset($_POST['login']) )
 114                         $DB->query('UPDATE `users` SET `last_login_ip` = INET_ATON(\''.$_SERVER['REMOTE_ADDR'].'\')
 115                                         WHERE `alias` = \''.$DB->escape_string($_COOKIE['u']).'\'');
 116
 117                 if ( empty($prefetch) )
 118                         $prefetch = array();
 119
 120                 $user = new authuser($q->fetch_object()->userid, $prefetch);
 121         } else {
 122                 setcookie('u', null, 1);
 123                 setcookie('p', null, 1);
 124
 125                 $user = new anonuser;
 126         }
 127 } else {
 128         $user = new anonuser;
 129 }
 130
 131 $page = new page;
 132 ?>