server.py 文件源码

def __init__(self, verification_token, endpoint, emitter):
        Flask.__init__(self, __name__)
        self.verification_token = verification_token

        @self.route(endpoint, methods=['GET', 'POST'])
        def event():
            # If a GET request is made, return 404.
            if request.method == 'GET':
                return make_response("These are not the slackbots you're looking for.", 404)

            # Parse the request payload into JSON
            event_data = json.loads(request.data.decode('utf-8'))

            # Echo the URL verification challenge code
            if "challenge" in event_data:
                return make_response(
                    event_data.get("challenge"), 200, {"content_type": "application/json"}
                )

            # Verify the request token
            request_token = event_data.get("token")
            if self.verification_token != request_token:
                emitter.emit('error', 'invalid verification token')
                return make_response("Request contains invalid Slack verification token", 403)

            # Parse the Event payload and emit the event to the event listener
            if "event" in event_data:
                event_type = event_data["event"]["type"]
                emitter.emit(event_type, event_data)
                return make_response("", 200)