Middleware hook about nameko HOT 7 CLOSED

# HttpRequestHandler lives in nameko.web.handlers
class CorsHttpRequestHandler(HttpRequestHandler):  
    def response_from_result(self, *args, **kwargs):
        response = super(CorsHttpRequestHandler, self).response_from_result(*args, **kwargs)
        response.headers.add('Access-Control-Allow-Origin', '*')  # or whatever
        return response

cors_http = CorsHttpRequestHandler.decorator

class CorsHttpRequestHandler(HttpRequestHandler):
    def handle_request(self, request):
        self.request = request
        return super(CorsHttpRequestHandler, self).handle_request(request)

    def response_from_result(self, *args, **kwargs):
        response = super(CorsHttpRequestHandler, self).response_from_result(*args, **kwargs)
        response.headers.add("Access-Control-Allow-Headers",
                             self.request.headers.get("Access-Control-Request-Headers"))
        response.headers.add("Access-Control-Allow-Credentials", "true")
        response.headers.add("Access-Control-Allow-Methods", "*")
        response.headers.add("Access-Control-Allow-Origin", "*")
        return response

cors_http = CorsHttpRequestHandler.decorator

# usage:
class MyService(object):
    name = "my_service"

    @cors_http('GET', '/ping/')
    def ping(self, request):
        return "pong"