def twilio_auth_required(func: Callable[..., HttpResponse]) -> Callable[..., HttpResponse]:
@functools.wraps(func)
def decorated_function(request: WSGIRequest, *args, **kwargs) -> HttpResponse:
request_validator = RequestValidator(os.environ.get('TWILIO_AUTH_TOKEN', ''))
absolute_uri = request.build_absolute_uri()
if absolute_uri[:5] == 'http:':
absolute_uri = 'https' + absolute_uri[4:]
request_valid = request_validator.validate(
absolute_uri,
request.POST,
request.META.get('HTTP_X_TWILIO_SIGNATURE', '')
)
if request_valid:
return func(request, *args, **kwargs)
return HttpResponseForbidden()
return decorated_function