vBulletin LTS

require_once("AuthPlugin_vBulletin.php");
$wgAuth = new AuthPlugin_vBulletin(<hostname>, <vb_username>, <vb_password>, <vb_dbName);

<?php
/**
 * Authentication plugin interface. Instantiate a subclass of AuthPlugin
 * and set $wgAuth to it to authenticate against some external tool.
 *
 * The default behavior is not to do anything, and use the local user
 * database for all authentication. A subclass can require that all
 * accounts authenticate externally, or use it only as a fallback; also
 * you can transparently create internal wiki accounts the first time
 * someone logs in who can be authenticated externally.
 *
 * This interface is new, and might change a bit before 1.4.0 final is
 * done...
 *
 * @package MediaWiki
 */
require_once("includes/AuthPlugin.php");
class AuthPlugin_vBulletin extends AuthPlugin {
  // Persistent DB connection
  var $vb_database;
  function AuthPlugin_vBulletin($host, $username, $password, $dbname)
  {
    $this->vb_database = mysql_pconnect($host, $username, $password);
    mysql_select_db($dbname, $this->vb_database);
  }  
  /**
   * Check whether there exists a user account with the given name.
   * The name will be normalized to MediaWiki's requirements, so
   * you might need to munge it (for instance, for lowercase initial
   * letters).
   *
   * @param string $username
   * @return bool
   * @access public
   */
  function userExists( $username ) {
    $username = addslashes($username);
    $vb_find_user_query = "SELECT usergroupid FROM user WHERE LOWER(username)=LOWER('" . $username . "')";
    $vb_find_result = mysql_query($vb_find_user_query, $this->vb_database);
    if(mysql_num_rows($vb_find_result) == 1) {
      $vb_user_info = mysql_fetch_array($vb_find_result);
      $usergroupid = $vb_user_info['usergroupid'];
      // Only registered and admins. Banned and unregistered don't belong here.
      if($usergroupid == "2" || $usergroupid == "5" || $usergroupid == "6" || $usergroupid == "7")
        return true;
    }
    else
      return false;
  }
  /**
   * Check if a username+password pair is a valid login.
   * The name will be normalized to MediaWiki's requirements, so
   * you might need to munge it (for instance, for lowercase initial
   * letters).
   *
   * @param string $username
   * @param string $password
   * @return bool
   * @access public
   */
  function authenticate( $username, $password ) {
    $username = addslashes($username);
    $vb_find_user_query = "SELECT password, salt, usergroupid FROM user WHERE LOWER(username)=LOWER('" . $username . "')";
    $vb_find_result = mysql_query($vb_find_user_query, $this->vb_database);
    if(mysql_num_rows($vb_find_result) == 1) {
      $vb_user_info = mysql_fetch_array($vb_find_result);
      $usergroupid = $vb_user_info['usergroupid'];
      // Only registered and admins. Banned and unregistered don't belong here.
      if($usergroupid == "2" || $usergroupid == "5" || $usergroupid == "6" || $usergroupid == "7")
        if(md5(md5($password) .  $vb_user_info['salt']) == $vb_user_info['password'])
          return true;
    }
    return false;
  }
  /**
   * Return true if the wiki should create a new local account automatically
   * when asked to login a user who doesn't exist locally but does in the
   * external auth database.
   *
   * If you don't automatically create accounts, you must still create
   * accounts in some way. It's not possible to authenticate without
   * a local account.
   *
   * This is just a question, and shouldn't perform any actions.
   *
   * @return bool
   * @access public
   */
  function autoCreate() {
    return true;
  }
  /**
   * Return true to prevent logins that don't authenticate here from being
   * checked against the local database's password fields.
   *
   * This is just a question, and shouldn't perform any actions.
   *
   * @return bool
   * @access public
   */
  function strict() {
    return true;
  }
  /**
   * When creating a user account, optionally fill in preferences and such.
   * For instance, you might pull the email address or real name from the
   * external user database.
   *
   * The User object is passed by reference so it can be modified; don't
   * forget the & on your function declaration.
   *
   * @param User $user
   * @access public
   */
  function initUser( &$user ) { 
    $vb_find_user_query = "SELECT password, salt FROM user WHERE LOWER(username)=LOWER('" . addslashes($user->mName) . "')";
    $vb_find_result = mysql_query($vb_find_user_query, $this->vb_database);
    if(mysql_num_rows($vb_find_result) == 1) {
      $vb_user_info = mysql_fetch_array($vb_find_result);
      $user->mEmail = $vb_user_info['email'];
    }
    else {
      // ERROR?
    }
  }
}
?>