adapting skill-sample-python-helloworld-classes to run with FLask about alexa-skills-kit-sdk-for-python HOT 19 CLOSED

# -*- coding: utf-8 -*-

# This is a simple Hello World Alexa Skill, built using
# the decorators approach in skill builder.
from flask import Flask, request, jsonify
import json
import logging

from ask_sdk_core.skill_builder import SkillBuilder
from ask_sdk_core.utils import is_request_type, is_intent_name
from ask_sdk_core.handler_input import HandlerInput

from ask_sdk_model.ui import SimpleCard
from ask_sdk_model import Response, RequestEnvelope
app = Flask(__name__)


logger = logging.getLogger(__name__)
logger.setLevel(logging.INFO)

sb = SkillBuilder()
handler = sb.lambda_handler()


@sb.request_handler(can_handle_func=is_request_type("LaunchRequest"))
def launch_request_handler(handler_input):
    """Handler for Skill Launch."""
    # type: (HandlerInput) -> Response
    speech_text = "Welcome to the Alexa Skills Kit, you can say hello!"

    return handler_input.response_builder.speak(speech_text).set_card(
        SimpleCard("Hello World", speech_text)).set_should_end_session(
        False).response


@sb.request_handler(can_handle_func=is_intent_name("HelloWorldIntent"))
def hello_world_intent_handler(handler_input):
    """Handler for Hello World Intent."""
    # type: (HandlerInput) -> Response
    speech_text = "Hello Python World from Decorators!"

    return handler_input.response_builder.speak(speech_text).set_card(
        SimpleCard("Hello World", speech_text)).set_should_end_session(
        True).response


@sb.request_handler(can_handle_func=is_intent_name("AMAZON.HelpIntent"))
def help_intent_handler(handler_input):
    """Handler for Help Intent."""
    # type: (HandlerInput) -> Response
    speech_text = "You can say hello to me!"

    return handler_input.response_builder.speak(speech_text).ask(
        speech_text).set_card(SimpleCard(
            "Hello World", speech_text)).response


@sb.request_handler(
    can_handle_func=lambda handler_input:
        is_intent_name("AMAZON.CancelIntent")(handler_input) or
        is_intent_name("AMAZON.StopIntent")(handler_input))
def cancel_and_stop_intent_handler(handler_input):
    """Single handler for Cancel and Stop Intent."""
    # type: (HandlerInput) -> Response
    speech_text = "Goodbye!"

    return handler_input.response_builder.speak(speech_text).set_card(
        SimpleCard("Hello World", speech_text)).response


@sb.request_handler(can_handle_func=is_intent_name("AMAZON.FallbackIntent"))
def fallback_handler(handler_input):
    """AMAZON.FallbackIntent is only available in en-US locale.
    This handler will not be triggered except in that locale,
    so it is safe to deploy on any locale.
    """
    # type: (HandlerInput) -> Response
    speech = (
        "The Hello World skill can't help you with that.  "
        "You can say hello!!")
    reprompt = "You can say hello!!"
    handler_input.response_builder.speak(speech).ask(reprompt)
    return handler_input.response_builder.response


@sb.request_handler(can_handle_func=is_request_type("SessionEndedRequest"))
def session_ended_request_handler(handler_input):
    """Handler for Session End."""
    # type: (HandlerInput) -> Response
    return handler_input.response_builder.response


@sb.exception_handler(can_handle_func=lambda i, e: True)
def all_exception_handler(handler_input, exception):
    """Catch all exception handler, log exception and
    respond with custom message.
    """
    # type: (HandlerInput, Exception) -> Response
    logger.error(exception, exc_info=True)

    speech = "Sorry, there was some problem. Please try again!!"
    handler_input.response_builder.speak(speech).ask(speech)

    return handler_input.response_builder.response


@app.route('/hello', methods=['POST'])
def post():
    """
    Process the request as following :
    - Get the input request JSON
    - Deserialize it to Request Envelope
    - Verify the request was sent by Alexa
    - Invoke the skill
    - Return the serialized response
    """

    content = request.json
    request_envelope = skill_obj.serializer.deserialize(
        payload=json.dumps(content), obj_type=RequestEnvelope)

    response_envelope = skill_obj.invoke(
        request_envelope=request_envelope, context=None)
    print(response_envelope)
    return jsonify(skill_obj.serializer.serialize(response_envelope))


if __name__ == '__main__':
    app.run(debug=True, host='0.0.0.0')


skill_obj = sb.create()

n [4]: runfile('/Users/fzimmerman/voice/helloworld/decorators-helloworld.py', wdir='/Users/fzimmerman/voice/helloworld')
 * Running on http://0.0.0.0:5000/ (Press CTRL+C to quit)
 * Restarting with stat

 * Serving Flask app "decorators-helloworld.py"
 * Environment: production
   WARNING: Do not use the development server in a production environment.
   Use a production WSGI server instead.
 * Debug mode: off
 * Running on https://0.0.0.0:5000/ (Press CTRL+C to quit)
69.136.137.70 - - [26/Feb/2019 23:39:03] "GET / HTTP/1.1" 404 -
69.136.137.70 - - [26/Feb/2019 23:39:04] "GET /favicon.ico HTTP/1.1" 404 -
69.136.137.70 - - [26/Feb/2019 23:39:08] "GET /hello HTTP/1.1" 405 -

{
	"version": "1.0",
	"session": {
		"new": false,
		"sessionId": "amzn1.echo-api.session.e7bc285d-636d-4d4d-a954-5999c7946d5c",
		"application": {
			"applicationId": "amzn1.ask.skill.a4dbba09-7e72-4171-9974-383e93d3ac5b"
		},
		"user": {
			"userId": "amzn1.ask.account.AERFQQAHZJ6W4GQMS4FBKLXQDZQL52OLYG2IM6LVCTZUG5FK52UVOAJL3727UHIVRK2WBJVSAVWATYSS7FMFXSBNSTT5OCWSZEYB4KSENACW6Q7O3UOVBG7762NDMUX77EKLSNMRGGBPUCYJ5SLYRZ22W65PRH66AL725LN2CQ3NHQYBRPBVPHDDJPZ2JJFU6HA4VOLYTPDQY2Q"
		}
	},
	"context": {
		"System": {
			"application": {
				"applicationId": "amzn1.ask.skill.a4dbba09-7e72-4171-9974-383e93d3ac5b"
			},
			"user": {
				"userId": "amzn1.ask.account.AERFQQAHZJ6W4GQMS4FBKLXQDZQL52OLYG2IM6LVCTZUG5FK52UVOAJL3727UHIVRK2WBJVSAVWATYSS7FMFXSBNSTT5OCWSZEYB4KSENACW6Q7O3UOVBG7762NDMUX77EKLSNMRGGBPUCYJ5SLYRZ22W65PRH66AL725LN2CQ3NHQYBRPBVPHDDJPZ2JJFU6HA4VOLYTPDQY2Q"
			},
			"device": {
				"deviceId": "amzn1.ask.device.AEX4B3S7HMKFLRLHV4AWOLSJ3NS3MS3J6DNCCXIG5XWFY47IHRT55IL2UXBEVTM4KM55ZIYUKOOSEM2BXU6IC5256USL4IQTE44ORLY5NZQ2UAIMEGB2MPAO466SAGOXVG2P6PH3MM4QYAQ2AB65VMIPSF7647XNWIUMNOSNIPMZ4HCJJXMVS",
				"supportedInterfaces": {}
			},
			"apiEndpoint": "https://api.amazonalexa.com",
			"apiAccessToken": "eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjEifQ.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.A__40lXEgXpaWMV8mwDgn9AH0kouQn0zaeCEayiMEVXaYQ-LTZqpaBuuA0JtdtiBrlOPleicVux8THCh7Of3B3exWmg1vCEzHLCJnucbB8OG9BD5R6z3oLCo8OcfV4lJBRaaizdTPY3SaeA47MNr95l3W7qafpJ3eno28Lm0V9DvfI_8TgNiqgdoGMXMq9cxeJ_GKNdHaYV7lDpdtsboBz7ZYUmJ5PGLGfAPvCZGJdCVv4Aa2t5_Q1WKqXco6OLgrWsW0NOhC_DE8Hpqwdz9DARIbymC1hQ1p6uT9K_e9SXc-j8NobinBa19DI7lHFLVTqzOcpFdfnJUVgd6r-CN6Q"
		},
		"Viewport": {
			"experiences": [
				{
					"arcMinuteWidth": 246,
					"arcMinuteHeight": 144,
					"canRotate": false,
					"canResize": false
				}
			],
			"shape": "RECTANGLE",
			"pixelWidth": 1024,
			"pixelHeight": 600,
			"dpi": 160,
			"currentPixelWidth": 1024,
			"currentPixelHeight": 600,
			"touch": [
				"SINGLE"
			]
		}
	},
	"request": {
		"type": "SessionEndedRequest",
		"requestId": "amzn1.echo-api.request.07f1772b-2cc5-4914-8fae-88757086c30b",
		"timestamp": "2019-02-27T00:07:47Z",
		"locale": "en-US",
		"reason": "ERROR",
		"error": {
			"type": "INVALID_RESPONSE",
			"message": "An exception occurred while dispatching the request to the skill."
		}
	}
}

The skill end-point is not validating the signatures for incoming requests and is accepting requests with an empty signature URL.

The skill end-point is not validating the signatures for incoming requests and is accepting requests with an incorrect certificate URL.

The skill end-point is not validating the signatures for incoming requests and is accepting requests with an invalid signature URL specified.
The skill end-point is not validating the signatures for incoming requests and is accepting requests when no signature URL headers are specified.

content = request.json
request_envelope = skill_obj.serializer.deserialize(
    payload=json.dumps(content), obj_type=RequestEnvelope)

response_envelope = skill_obj.invoke(
    request_envelope=request_envelope, context=None)
print(response_envelope)
return jsonify(skill_obj.serializer.serialize(response_envelope))