head.py 文件源码

def gallery_thumb(request: HttpRequest, pk: int) -> HttpResponse:
    try:
        gallery = Gallery.objects.get(pk=pk)
    except Gallery.DoesNotExist:
        raise Http404("Gallery does not exist")
    if not gallery.public and not request.user.is_authenticated:
        raise Http404("Gallery is not public")
    if 'HTTP_X_FORWARDED_HOST' in request.META:
        response = HttpResponse()
        response["Content-Type"] = "image/jpeg"
        # response["Content-Disposition"] = 'attachment; filename*=UTF-8\'\'{0}'.format(
        #         archive.pretty_name)
        response['X-Accel-Redirect'] = "/image/{0}".format(gallery.thumbnail.name)
        return response
    else:
        return HttpResponseRedirect(gallery.thumbnail.url)