django-request log real ip behind proxy

middleware

# -*- coding: utf-8 -*-
from django.conf import settings
from request.middleware import RequestMiddleware


class RequestProxyMiddleware(RequestMiddleware):
    """
        Place this middleware to your project directory and
        replace the django-request request.middleware.RequestMiddleware
        with this middleware in the settings MIDDLEWARE
    """
    def process_response(self, request, response):
        # Get the header field from which to get the real ip
        # HTTP_X_FORWARDED_FOR is the default for an apache proxy server
        forwarded_header = getattr(
            settings,
            'REQUEST_FORWARDED_ADDR_FIELD',
            'HTTP_X_FORWARDED_FOR'
        )
        ip = request.META.get(forwarded_header, None)
        if ip:
            # update REMOTE_ADDR to forwarded header field
            request.META.update({'REMOTE_ADDR': ip})

        return super(RequestProxyMiddleware, self).process_response(request, response)