Erro Auth Component - Seguindo tutorial do Curso Assando Sites Básico - Aula 6 (Última aula)

AppController.php

<?php
class AppController extends Controller {
	
	public $helpers = array('Html','Form','Session');
	public $components = array('Session', 'Auth');

	public function beforeFilter() {
		if($this->isPrefix('painel')) {
			$this->layout = 'painel';
			$this->Auth->authenticate = array('Form', array(
					'userModel' => 'Usuario',
					'fields' => array(
						'username' => 'usuario',
						'password' => 'senha'
					)
				)
			);
		} else {
			$this->Auth->allow('*');
		}

		parent::beforeFilter();
	}

	public function isPrefix($prefix) {
		return isset($this->request->params['prefix']) && $this->request->params['prefix'] == $prefix;
	}


}

painel_login.ctp

<?php
$this->Session->flash('auth');
echo $this->Form->create(null, array('controller' => 'usuarios', 'action' => 'login', 'painel' => 'true'));
	echo $this->Form->input('usuario');
	echo $this->Form->input('senha', array('type' => 'password'))
echo $this->Form->end('Entrar');
?>

Usuario.php

<?php
App::uses('AppModel', 'Model');
/**
 * Usuario Model
 *
 */
class Usuario extends AppModel {
/**
 * Display field
 *
 * @var string
 */
	public $displayField = 'usuario';

/**
 * beforeSave method
 * 
 * @return array
 */
 	public function beforeSave($options = array()) {
 		$senha = $this->data['Usuario']['senha'];
 		$senha = AuthComponent::password($senha);
 		$this->data['Usuario']['senha'] = $senha;

 		return parent::beforeSave($options);
 	}
}

UsuariosController.php

<?php
App::uses('AppController', 'Controller');
/**
 * Usuarios Controller
 *
 * @property Usuario $Usuario
 */
class UsuariosController extends AppController {


/**
 * login method
 * 
 * @return boolean
 */
 	public function painel_login() {
 		if($this->request->is('post')) {
 			if($this->Auth->login()) {
 				return $this->redirect($this->Auth->redirect());
 			} else {
 				$this->Session->setFlash('Usuário e/ou senha inválidos', 'default', array(), 'auth');
 			}
 		}
 	}


/**
 * logout method
 * 
 * @return void
 */
 	public function painel_logout() {
 		$this->redirect($this->Auth->logout());
 	}


/**
 * index method
 *
 * @return void
 */
	public function index() {
		$this->Usuario->recursive = 0;
		$this->set('usuarios', $this->paginate());
	}

/**
 * view method
 *
 * @param string $id
 * @return void
 */
	public function view($id = null) {
		$this->Usuario->id = $id;
		if (!$this->Usuario->exists()) {
			throw new NotFoundException(__('Invalid usuario'));
		}
		$this->set('usuario', $this->Usuario->read(null, $id));
	}

// /**
//  * add method
//  *
//  * @return void
//  */
// 	public function add() {
// 		if ($this->request->is('post')) {
// 			$this->Usuario->create();
// 			if ($this->Usuario->save($this->request->data)) {
// 				$this->Session->setFlash(__('The usuario has been saved'));
// 				$this->redirect(array('action' => 'index'));
// 			} else {
// 				$this->Session->setFlash(__('The usuario could not be saved. Please, try again.'));
// 			}
// 		}
// 	}

// /**
//  * edit method
//  *
//  * @param string $id
//  * @return void
//  */
// 	public function edit($id = null) {
// 		$this->Usuario->id = $id;
// 		if (!$this->Usuario->exists()) {
// 			throw new NotFoundException(__('Invalid usuario'));
// 		}
// 		if ($this->request->is('post') || $this->request->is('put')) {
// 			if ($this->Usuario->save($this->request->data)) {
// 				$this->Session->setFlash(__('The usuario has been saved'));
// 				$this->redirect(array('action' => 'index'));
// 			} else {
// 				$this->Session->setFlash(__('The usuario could not be saved. Please, try again.'));
// 			}
// 		} else {
// 			$this->request->data = $this->Usuario->read(null, $id);
// 		}
// 	}

// /**
//  * delete method
//  *
//  * @param string $id
//  * @return void
//  */
// 	public function delete($id = null) {
// 		if (!$this->request->is('post')) {
// 			throw new MethodNotAllowedException();
// 		}
// 		$this->Usuario->id = $id;
// 		if (!$this->Usuario->exists()) {
// 			throw new NotFoundException(__('Invalid usuario'));
// 		}
// 		if ($this->Usuario->delete()) {
// 			$this->Session->setFlash(__('Usuario deleted'));
// 			$this->redirect(array('action' => 'index'));
// 		}
// 		$this->Session->setFlash(__('Usuario was not deleted'));
// 		$this->redirect(array('action' => 'index'));
// 	}

/**
 * painel_index method
 *
 * @return void
 */
	public function painel_index() {
		$this->Usuario->recursive = 0;
		$this->set('usuarios', $this->paginate());
	}

/**
 * painel_view method
 *
 * @param string $id
 * @return void
 */
	public function painel_view($id = null) {
		$this->Usuario->id = $id;
		if (!$this->Usuario->exists()) {
			throw new NotFoundException(__('Invalid usuario'));
		}
		$this->set('usuario', $this->Usuario->read(null, $id));
	}

/**
 * painel_add method
 *
 * @return void
 */
	public function painel_add() {
		if ($this->request->is('post')) {
			$this->Usuario->create();
			if ($this->Usuario->save($this->request->data)) {
				$this->Session->setFlash(__('The usuario has been saved'));
				$this->redirect(array('action' => 'index'));
			} else {
				$this->Session->setFlash(__('The usuario could not be saved. Please, try again.'));
			}
		}
	}

/**
 * painel_edit method
 *
 * @param string $id
 * @return void
 */
	public function painel_edit($id = null) {
		$this->Usuario->id = $id;
		if (!$this->Usuario->exists()) {
			throw new NotFoundException(__('Invalid usuario'));
		}
		if ($this->request->is('post') || $this->request->is('put')) {
			if ($this->Usuario->save($this->request->data)) {
				$this->Session->setFlash(__('The usuario has been saved'));
				$this->redirect(array('action' => 'index'));
			} else {
				$this->Session->setFlash(__('The usuario could not be saved. Please, try again.'));
			}
		} else {
			$this->request->data = $this->Usuario->read(null, $id);
		}
	}

/**
 * painel_delete method
 *
 * @param string $id
 * @return void
 */
	public function painel_delete($id = null) {
		if (!$this->request->is('post')) {
			throw new MethodNotAllowedException();
		}
		$this->Usuario->id = $id;
		if (!$this->Usuario->exists()) {
			throw new NotFoundException(__('Invalid usuario'));
		}
		if ($this->Usuario->delete()) {
			$this->Session->setFlash(__('Usuario deleted'));
			$this->redirect(array('action' => 'index'));
		}
		$this->Session->setFlash(__('Usuario was not deleted'));
		$this->redirect(array('action' => 'index'));
	}
}