kohana_request.php

<?php
class Controller_Foo extends 
{
    public function action_foo()
    {
        $ext_response = Request::factory('http://site.com/foo/bar/bas')
                                 ->execute()
                                 ->response;
    }

    public function action_bar()
    {
        $int_response = Request::factory('foo/bar')
                                 ->execute()
                                 ->response;
    } 
}
?>