auth

public $components = array(
        'DebugKit.Toolbar',
        'Session',
        'Auth' => array(
            'loginAction' => array('controller' => 'Users', 'action' => 'login'),
            'logoutRedirect' => array('controller' => 'Users', 'action' => 'login'),
            'authenticate' => array('Form' => array( 
                                                'userModel' => 'User',
                                                'fields' => array(
                                                        'username' => 'email',
                                                        'password' => 'password'
                                                        ),
                                                'scope' => array('User.activo' => 'Sim')
                                                )
                                ),
            
	    'scope' => array('User.activo' => 'Sim'),
            'authorize' => 'Controller',
	    'allow' => array('index', 'view'),
            'authError'=> "Não tem acesso à pagina.",
            'authorize' =>array('Controller'))
        );