Routes.php

<?php

Route::controller('home');
Route::get('/', function()
{
    return Redirect::to('home');
});

Event::listen('404', function()
{
    return Response::error('404');
});

Event::listen('500', function()
{
    return Response::error('500');
});

Route::filter('before', function()
{
    // Do stuff before every request to your application...
});

Route::filter('after', function($response)
{
    // Do stuff after every request to your application...
});

Route::filter('csrf', function()
{
    if (Request::forged()) return Response::error('500');
});

Route::filter('auth', function()
{
    if (Auth::guest()) return Redirect::to('login');
});

Route::get('login', array('uses' => 'login@index'));

Route::post('login', function() {
    //return "login form sent";

    //Get the person data from login
    $credentials = array(
        'username' => Input::get('username'),
        'password' => Input::get('password')
    );
    if(Auth::attempt($credentials)):
        //We are logged in and sending the user to home
        return Redirect::to('admin');
    else:
        //Auth fail and we are sending user back so he can log in
        return Redirect::to('login')
            ->with('login_errors', true);
    endif;
});

use Admin\Libraries\ModelHelper;

//validate_admin filter
Route::filter('validate_admin', function ()
{
    //get the admin check closure that should be supplied in the config
    $authCheck = Config::get('administrator.auth_check');

    if (!$authCheck())
    {
        $loginUrl = URL::to(Config::get('administrator.login_path', 'user/login'));
        $redirectKey = Config::get('administrator.login_redirect_key', 'redirect');
        $redirectUri = URL::to_route('admin_dashboard');

        return Redirect::to($loginUrl)->with($redirectKey, $redirectUri);
    }
});

//validate_model filter
Route::filter('validate_model', function ()
{
    $modelName = URI::segment(2);
    $model = ModelHelper::getModelInstance($modelName);

    //if the model doesn't exist at all, redirect to 404
    if (!$model)
    {
        return Response::error('404');
    }

    //if the model does exist, check if this user has permission to access it
    if (!ModelHelper::checkPermission($modelName))
    {
        Redirect::to_route('admin_dashboard');
    }
});

/**
 * Admin Routes
 */

Route::get('admin', array(
    'as' => 'admin_dashboard',
    'uses' => 'admin@dashboard',
    'before' => 'validate_admin', //only needs to validate admin and add assets
));

//The route group for all other requests needs to validate admin, model, and add assets
Route::group(array('before' => 'validate_admin|validate_model'), function()
{
    //Model Index
    Route::get('admin/(:any)', array(
        'as' => 'admin_index',
        'uses' => 'admin@index'
    ));

    //Get Item
    Route::get('admin/(:any)/(:num)', array(
        'as' => 'admin_get_item',
        'uses' => 'admin@item'
    ));

    //New Item
    Route::get('admin/(:any)/new', array(
        'as' => 'admin_new_item',
        'uses' => 'admin@item'
    ));

    //Upload Item
    Route::any('admin/(:any)/upload', array(
        'as' => 'admin_upload_item',
        'uses' => 'admin@upload'
    ));

    //Model Images
    Route::get('admin/(:any)', array(
        'as' => 'admin_images_manager',
        'uses' => 'admin@images_manager'
    ));

    //Search Relationship Items
    Route::get('admin/(:any)/search_relation/(:any)/(:any)', array(
        'as' => 'admin_search_relation',
        'uses' => 'admin@search_relation'
    ));

    //CSRF protection in forms
    Route::group(array('before' => 'csrf'), function()
    {
        //Save Item
        Route::post('admin/(:any)/(:num?)/(:num?)/save', array(
            'as' => 'admin_save_item',
            'uses' => 'admin@save'
        ));

        //Delete Item
        Route::post('admin/(:any)/(:num)/delete', array(
            'as' => 'admin_delete_item',
            'uses' => 'admin@delete'
        ));

        //Get results
        Route::post('admin/(:any)/results', array(
            'as' => 'admin_get_results',
            'uses' => 'admin@results'
        ));
    });

});

 Route::get('logout', function() {
    Auth::logout();
    return Redirect::to('login');
});