Servir arquivos estáticos protegidos com apache (x-sendfile) e django

utils.py

# -*- coding: utf-8 -*-

import posixpath
import urllib
import os

from django.conf import settings
from django.views.static import serve
from django.http import HttpResponse
from django.utils.encoding import smart_str

USE_XSENDFILE = getattr(settings, 'USE_XSENDFILE', False)

def xsendfileserve(request, path, document_root=None):
    """
    Serve static files using X-Sendfile below a given point 
    in the directory structure.
    """
    split = path.split('/')
    filename = split[-1]
    filename = filename.replace(" ", '_')
    if USE_XSENDFILE:
        if document_root is None:
            fullpath = smart_str(path)
        else:
            fullpath = smart_str(os.path.join(document_root, path))
        # This is where the magic takes place.
        response = HttpResponse()
        response['X-Sendfile'] = fullpath # for nginx use: X-Accel-Redirect
        # Unset the Content-Type as to allow for the webserver
        # to determine it.
        response['Content-Type'] = ''
        response['Content-Disposition'] = 'attachment; filename=%s' % smart_str(filename)
        return response
    response = serve(request, path, document_root)
    response['Content-Disposition'] = 'attachment; filename=%s' % smart_str(filename)
    return response