<?php
  if(!defined('DOKU_INC')) die();
  if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
  require_once(DOKU_PLUGIN.'action.php');

  class action_plugin_ondeniedlogin extends DokuWiki_Action_Plugin {

    function getInfo(){
      return array(
        'author' => 'Samuel Fischer',
        'email'  => 'sf@notomorrow.de',
        'date'   => '2009-04-21',
        'name'   => 'ondeniedlogin',
        'desc'   => 'redirects unknown users to a login form on denied requests',
        'url'    => 'http://www.dokuwiki.org/plugin:ondeniedlogin',
      );
    }

  function register(Doku_Event_Handler $controller) {
      $controller->register_hook('TPL_ACT_RENDER', 'BEFORE',  $this, 'ondeniedlogin');
    }
    
    function ondeniedlogin(&$event, $param) {
        global $ACT, $INFO;

        if($ACT!='denied') return;
          if(!is_array($INFO['userinfo']))
                $ACT = 'login';
    }

  }