def get_access_token(request):

    token = request.GET.get('token', None)

    if not token:
        return HttpResponse('error')

    users = GlassUser.Query.all().eq(token=token)

    user = None
    for item in users:
        user = item

    if not user:
        return HttpResponse('error')

    access_token = get_new_access_token(user.refresh_token)

    response_dict = {}
    response_dict['access_token'] = access_token

    return HttpResponse(simplejson.dumps(response_dict))