UsersController.php

<?php

class UsersController extends AppController {

    public function beforeFilter() {
        parent::beforeFilter();
        $this->Auth->allow('initDB','logout');
         
    }

    public function index() {
        echo "hello"; die;
        
    }

    public function add() {
     $groupInfo=$this->User->Group->find('list',array('type'=>'select','fields'=>array('id',"name"),"order"=>array('id'=>'ASC')));
     $groupInfo=$this->set("group",$groupInfo);
     if($this->request->is('post')){
         if($this->User->save()){
              $this->Session->setFlash("Your data is successfully loaded");
         }else{
             $this->Session->setFlash("Your data is not successfully loaded");
         }
         
     }
    }

    public function edit() {
        
    }

    public function delete() {
        
    }

    public function login() {
        if ($this->request->is('post')) {
            if ($this->Auth->login()) {
                return  $this->redirect('/');
            }
            $this->Session->setFlash(__('Your username or password was incorrect.'));
        }else{
            
        if ($this->Session->read('Auth.User')) {
        $this->Session->setFlash('You are logged in!');
        return $this->redirect('/');
    }
        }
    }

    public function logout() {
       $this->redirect($this->Auth->logout()); 
    }
    
    public function initDB() {
    $group = $this->User->Group;

   
    $group->id = 1;
    $this->Acl->allow($group, 'controllers');

    
    $group->id = 2;
    $this->Acl->deny($group, 'controllers');
    $this->Acl->allow($group, 'controllers/Posts');
    $this->Acl->allow($group, 'controllers/Widgets');

    
    $group->id = 3;
    $this->Acl->deny($group, 'controllers');
    $this->Acl->allow($group, 'controllers/Posts/add');
    $this->Acl->allow($group, 'controllers/Posts/edit');
    $this->Acl->allow($group, 'controllers/Widgets/add');
    $this->Acl->allow($group, 'controllers/Widgets/edit');

    
    $this->Acl->allow($group, 'controllers/users/logout');

}
    
    

}