function reset_password()
    {
        $user_id        = $this->uri->segment(3);
        $new_pass_key   = $this->uri->segment(4);

        $this->form_validation->set_rules('new_password', 'New Password', 'trim|required|xss_clean|min_length['.$this->config->item('password_min_length', 'tank_auth').']|max_length['.$this->config->item('password_max_length', 'tank_auth').']|alpha_dash');
        $this->form_validation->set_rules('confirm_new_password', 'Confirm new Password', 'trim|required|xss_clean|matches[new_password]');

        $data['errors'] = array();

        if ($this->form_validation->run()) {                                // validation ok
            if (!is_null($data = $this->tank_auth->reset_password(
                    $user_id, $new_pass_key,
                    $this->form_validation->set_value('new_password')))) {  // success
                $data['site_name'] = $this->config->item('website_name', 'tank_auth');

                // Send email with new password
                $this->_send_email('reset_password', $data['email'], $data);

                $this->_show_message($this->lang->line('auth_message_new_password_activated').' '.anchor('/auth/login/', 'Login'));

            } else {
                // fail
                $this->_show_message($this->lang->line('auth_message_new_password_failed'));
            }
        } else {
            // Try to activate user by password key (if not activated yet)
            if ($this->config->item('email_activation', 'tank_auth')) {
                $this->tank_auth->activate_user($user_id, $new_pass_key, FALSE);
            }

            if (!$this->tank_auth->can_reset_password($user_id, $new_pass_key)) {
                $this->_show_message($this->lang->line('auth_message_new_password_failed'));
            }
        }
        $this->load->view('auth/reset_password_form', $data);
    }