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lnapp/classes/lnApp/Controller/Default.php

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<?php defined('SYSPATH') or die('No direct access allowed.');
/**
* This class provides the default controller for rendering pages.
*
* @package lnApp
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* @category Controllers
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* @author Deon George
* @copyright (c) 2009-2013 Deon George
* @license http://dev.leenooks.net/license.html
*/
abstract class lnApp_Controller_Default extends Kohana_Controller {
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/**
* The variable that our output is stored in
*/
protected $output = NULL;
/**
* @var string page media route as per [Route]
*/
protected $mediaroute = 'default/media';
/**
* Controls access to this controller.
* Can be set to a string or an array, for example 'login' or array('login', 'admin')
* Note that in second(array) example, user must have both 'login' AND 'admin' roles set in database
*
* @var boolean is authenticate required with this controller
*/
protected $auth_required = FALSE;
/**
* If redirecting to a login page, which page to redirect to
*/
protected $noauth_redirect = 'login';
/**
* Controls access for separate actions, eg:
* 'adminpanel' => 'admin' will only allow users with the role admin to access action_adminpanel
* 'moderatorpanel' => array('login', 'moderator') will only allow users with the roles login and moderator to access action_moderatorpanel
*
* @var array actions that require a valid user
*/
protected $secure_actions = array();
/**
* Check and see if this controller needs authentication
*
* if $this->auth_required is TRUE, then the user must be logged in only.
* if $this->auth_required is FALSE, AND $this->secure_actions has an array of
* methods set to TRUE, then the user must be logged in AND a member of the
* role.
*
* @return boolean
*/
protected function _auth_required() {
// If our global configurable is disabled, then continue
if (! Kohana::$config->load('config')->method_security)
return FALSE;
return (($this->auth_required !== FALSE && Auth::instance()->logged_in() === FALSE) ||
(is_array($this->secure_actions) && array_key_exists($this->request->action(),$this->secure_actions) &&
Auth::instance()->logged_in($this->secure_actions[$this->request->action()]) === FALSE));
}
public function before() {
parent::before();
// Check user auth and role
if ($this->_auth_required()) {
// For AJAX/JSON requests, authorisation is controlled in the method.
if (Request::current()->is_ajax() && $this->request->action() === 'json') {
// Nothing required.
// For no AJAX/JSON requests, display an access page
} elseif (Auth::instance()->logged_in(NULL,get_class($this).'|'.__METHOD__)) {
HTTP::redirect('login/noaccess');
} else {
Session::instance()->set('afterlogin',Request::detect_uri());
HTTP::redirect($this->noauth_redirect);
}
}
}
public function after() {
parent::after();
// Generate and check the ETag for this file
$this->check_cache(sha1($this->response->body()));
}
}
?>