Интеграция форума PunBB

// Login
if (isset($_POST['form_sent']) && empty($action))
{
  $form_username = forum_trim($_POST['req_username']);
  $form_password = forum_trim($_POST['req_password']);
  $save_pass = isset($_POST['save_pass']);

  ($hook = get_hook('li_login_form_submitted')) ? eval($hook) : null;

  // Get user info matching login attempt
  $query = array(
    'SELECT'  => 'u.id, u.group_id, u.password',
    'FROM'    => 'users AS u'
  );

  if ($db_type == 'mysql' || $db_type == 'mysqli')
    $query['WHERE'] = 'username=\''.$forum_db->escape($form_username).'\'';
  else
    $query['WHERE'] = 'LOWER(username)=LOWER(\''.$forum_db->escape($form_username).'\')';

  ($hook = get_hook('li_login_qr_get_login_data')) ? eval($hook) : null;
  $result = $forum_db->query_build($query) or error(__FILE__, __LINE__);
  list($user_id, $group_id, $db_password_hash) = $forum_db->fetch_row($result);

  $authorized = false;
  if (!empty($db_password_hash))
  {

    if ($db_password_hash == $form_password_hash)
      $authorized = true;
    else if ((!$db_password_hash == md5($form_password)) || ($db_password_hash == md5(md5($form_password))))
    {
      $authorized = true;

      $salt = random_key(12);
      $form_password_hash = forum_hash($form_password);

      // There's an old MD5 hash or an unsalted SHA1 hash in the database, so we replace it
      // with a randomly generated salt and a new, salted SHA1 hash
    //  $query = array(
    //    'UPDATE'  => 'users',
    //    'SET'    => 'password=\''.$form_password_hash.'\', salt=\''.$forum_db->escape($salt).'\'',
    //    'WHERE'    => 'id='.$user_id
    //  );

      ($hook = get_hook('li_login_qr_update_user_hash')) ? eval($hook) : null;
      $forum_db->query_build($query) or error(__FILE__, __LINE__);
    }
  }

  ($hook = get_hook('li_login_pre_auth_message')) ? eval($hook) : null;

  if (!$authorized)
    $errors[] = sprintf($lang_login['Wrong user/pass']);

  // Did everything go according to plan?
  if (empty($errors))
  {
    // Update the status if this is the first time the user logged in
    if ($group_id == FORUM_UNVERIFIED)
    {
      $query = array(
        'UPDATE'  => 'users',
        'SET'    => 'group_id='.$forum_config['o_default_user_group'],
        'WHERE'    => 'id='.$user_id
      );

      ($hook = get_hook('li_login_qr_update_user_group')) ? eval($hook) : null;
      $forum_db->query_build($query) or error(__FILE__, __LINE__);
    }

    // Remove this user's guest entry from the online list
    $query = array(
      'DELETE'  => 'online',
      'WHERE'    => 'ident=\''.$forum_db->escape(get_remote_address()).'\''
    );

    ($hook = get_hook('li_login_qr_delete_online_user')) ? eval($hook) : null;
    $forum_db->query_build($query) or error(__FILE__, __LINE__);

    $expire = ($save_pass) ? time() + 1209600 : time() + $forum_config['o_timeout_visit'];
    forum_setcookie($cookie_name, base64_encode($user_id.'|'.$form_password_hash.'|'.$expire.'|'.md5($form_password)), $expire);  
    
    ($hook = get_hook('li_login_pre_redirect')) ? eval($hook) : null;

    redirect(forum_htmlencode($_POST['redirect_url']).((substr_count($_POST['redirect_url'], '?') == 1) ? '&' : '?').'login=1', $lang_login['Login redirect']);
  }
}