Diesel Framework 1.0 - Add login to controller

validation.php

 public function login() {

        if ($_SESSION['csrfToken'] == $_POST['isValid']) {
            $username = clear($_POST['username']);
            $password = User::generateHash($_POST['password']);

            $user = LDB::GetSingleByProperty("users", array('username' => $username));
            if (!$user) {
                redirect("admin/dashboard/index/login_failed");
            } else if ($user['password'] !== $password) {
                redirect("admin/dashboard/index/login_failed");
            } else {
                Session::create($user['id']);
                redirect("admin/dashboard");
            }
        } else {
            redirect("admin/dashboard/index/login_failed");
        }
    }

    public function logout() {
        Session::destroy();
        redirect("home");
    }

    public function generateUserHash($pass) {
        die("<textarea>" . User::generateHash($pass) . "</textarea>");
    }