# -*- coding: UTF-8 -*-
#
# Copyright (C) 2013  Avencall
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

import logging
from functools import wraps

from flask import request
from werkzeug.exceptions import Forbidden

logger = logging.getLogger(__name__)

LOCAL_HOSTS = ('127.0.0.1', 'localhost')


def limit_to_localhost(fn):
    @wraps(fn)
    def wrapper(*args, **kwargs):
        if request.remote_addr not in LOCAL_HOSTS:
            raise Forbidden()
        return fn(*args, **kwargs)

    return wrapper
