New session cookie code - Remove CRYPT class

classes/encrypt.class.php

-<?
-/*************************************************************************|
-|--------------- Encryption class ----------------------------------------|
-|*************************************************************************|
-
-This class handles encryption and decryption, that's all folks.
-
-|*************************************************************************/
-
-if (!extension_loaded('mcrypt')) {
-  die('Mcrypt Extension not loaded.');
-}
-
-class CRYPT {
-  public function encrypt($Str, $Key = ENCKEY) {
-    srand();
-    $Str = str_pad($Str, 32 - strlen($Str));
-    $IVSize = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC);
-    $IV = mcrypt_create_iv($IVSize, MCRYPT_RAND);
-    $CryptStr = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $Key, $Str, MCRYPT_MODE_CBC, $IV);
-    return base64_encode($IV.$CryptStr);
-  }
-
-  public function decrypt($CryptStr, $Key = ENCKEY) {
-    if ($CryptStr != '') {
-      $IV = substr(base64_decode($CryptStr), 0, 16);
-      $CryptStr = substr(base64_decode($CryptStr), 16);
-      return trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $Key, $CryptStr, MCRYPT_MODE_CBC, $IV));
-    } else {
-      return '';
-    }
-  }
-} // class ENCRYPT()
-?>

classes/script_start.php

 require(SERVER_ROOT.'/classes/debug.class.php'); //Require the debug class
 require(SERVER_ROOT.'/classes/mysql.class.php'); //Require the database wrapper
 require(SERVER_ROOT.'/classes/cache.class.php'); //Require the caching class
-require(SERVER_ROOT.'/classes/encrypt.class.php'); //Require the encryption class
 require(SERVER_ROOT.'/classes/time.class.php'); //Require the time class
 require(SERVER_ROOT.'/classes/paranoia.class.php'); //Require the paranoia check_paranoia function
 require(SERVER_ROOT.'/classes/regex.php');
 
 $DB = new DB_MYSQL;
 $Cache = new CACHE(MEMCACHED_SERVERS);
-$Enc = new CRYPT;
 
 // Autoload classes.
 require(SERVER_ROOT.'/classes/classloader.php');
 // Enabled - if the user's enabled or not
 // Permissions
 
-if (isset($_COOKIE['session'])) {
-  $LoginCookie = $Enc->decrypt($_COOKIE['session']);
-}
-if (isset($LoginCookie)) {
-  list($SessionID, $LoggedUser['ID']) = explode('|~|', $Enc->decrypt($LoginCookie));
-  $LoggedUser['ID'] = (int)$LoggedUser['ID'];
+if (isset($_COOKIE['session']) && isset($_COOKIE['userid'])) {
+  $SessionID = $_COOKIE['session'];
+  $LoggedUser['ID'] = (int)$_COOKIE['userid'];
 
   $UserID = $LoggedUser['ID']; //TODO: UserID should not be LoggedUser
 
     $Cache->cache_value('enabled_'.$LoggedUser['ID'], $Enabled, 0);
   }
   if ($Enabled == 2) {
-
     logout();
   }
 

sections/login/index.php

               WHERE Username = '".db_string($_POST['username'])."'");
           }
           if ($Enabled == 1) {
-            $SessionID = Users::make_secret();
-            $Cookie = $Enc->encrypt($Enc->encrypt($SessionID.'|~|'.$UserID));
-
-            if (isset($_POST['keeplogged']) && $_POST['keeplogged']) {
-              $KeepLogged = 1;
-              setcookie('session', $Cookie, time() + 60 * 60 * 24 * 365, '/', '', true, true);
-            } else {
-              $KeepLogged = 0;
-              setcookie('session', $Cookie, 0, '/', '', true, true);
-            }
+            $SessionID = Users::make_secret(64);
+            $KeepLogged = ($_POST['keeplogged'] ?? false) ? 1 : 0;
+            setcookie('session', $SessionID, (time()+60*60*24*365)*$KeepLogged, '/', '', true, true);
+            setcookie('userid', $UserID, (time()+60*60*24*365)*$KeepLogged, '/', '', true, true);
 
             // Because we <3 our staff
             $Permissions = Permissions::get_permissions($PermissionID);