login de usuario REST

#fichero /app/routes.php
<?php

/*
|--------------------------------------------------------------------------
| Application Routes
|--------------------------------------------------------------------------
|
| Here is where you can register all of the routes for an application.
| It's a breeze. Simply tell Laravel the URIs it should respond to
| and give it the Closure to execute when that URI is requested.
|
*/

Route::get('/', function()
{
    return View::make('hello');
});
Route::resource('usuarios', 'UsuariosController');
//ruta para el servicio RESTFul
Route::group(array('prefix' => '/api/rest'), function()
{
    //Route::resource('photos', 'PhotoController');
    Route::resource('users', 'UsuariosRestController');
    //Route::resource('categories', 'CategoryController');

});
Route::group(array('prefix' => '/api/rest/auth'), function()
{
    Route::post('/login', array('user' => 'AuthController@loginUser' ));
    Route::get('/users', array('user' => 'AuthController'));
});
## fichero /app/controllers/AuthController.php
<?php
/**
 * Created by PhpStorm.
 * User: JoseLuis
 * Date: 28/10/14
 * Time: 14:14
 */
class AuthController extends Auth
{
    public function index()
    {
        try
        {
            $usuarios = usuarios::all();
            $statuscode = 200;
        }
        catch (exception $e)
        {
            $statuscode = 400;

        }
        finally
        {
            return Response::json($usuarios, $statuscode);
        }
    }
    public function loginUser()
    {
        $passwordhash = '';
        $username = Input::get('username');
        $password = Input::get('password');
        $error = false;
        //$fichero = 'C:\xampp\htdocs\laravelplan\logerror.txt';
        //$numero = file_put_contents($fichero, )
        $password =  password_hash($password,  PASSWORD_BCRYPT,  ['cost' => 12]);

        $userdata = array(
            'username' => $username,
            'password' => $password
        );

        $error = true;
        $user = array();

        if (Auth::attemp($userdata))
        {
            $error = false;
            $user = array(
                'id' => Auth::user()->id,
                'username' => Auth::user()->username
            );
        }
        else
        {
            $error = true;
            $statuscode = 400;
            return Response::json($error, $statuscode);
        }

        return Response::json(array(
            'error' => $error,
            'user' => $user
        ), 200);






    }