dca0b1e5df
# What this PR does ## Which issue(s) this PR fixes ## Checklist - [ ] Unit, integration, and e2e (if applicable) tests updated - [ ] Documentation added (or `pr:no public docs` PR label added if not required) - [ ] `CHANGELOG.md` updated (or `pr:no changelog` PR label added if not required)
72 lines
2.5 KiB
Python
72 lines
2.5 KiB
Python
import logging
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from django.http import HttpResponse
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from rest_framework import status
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from rest_framework.permissions import BasePermission
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from rest_framework.response import Response
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from rest_framework.views import APIView
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from twilio.request_validator import RequestValidator
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from apps.base.utils import live_settings
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from common.api_helpers.utils import create_engine_url
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from .gather import process_gather_data
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from .status_callback import update_twilio_call_status, update_twilio_sms_status
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logger = logging.getLogger(__name__)
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class AllowOnlyTwilio(BasePermission):
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def has_permission(self, request, view):
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# https://www.twilio.com/docs/usage/tutorials/how-to-secure-your-django-project-by-validating-incoming-twilio-requests
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# https://www.django-rest-framework.org/api-guide/permissions/
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if live_settings.TWILIO_AUTH_TOKEN:
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validator = RequestValidator(live_settings.TWILIO_AUTH_TOKEN)
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location = create_engine_url(request.get_full_path())
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request_valid = validator.validate(
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request.build_absolute_uri(location=location),
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request.POST,
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request.META.get("HTTP_X_TWILIO_SIGNATURE", ""),
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)
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return request_valid
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else:
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return live_settings.TWILIO_ACCOUNT_SID == request.data["AccountSid"]
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class HealthCheckView(APIView):
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def get(self, request):
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return Response("OK")
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class GatherView(APIView):
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permission_classes = [AllowOnlyTwilio]
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def post(self, request):
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call_sid = request.POST.get("CallSid")
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digit = request.POST.get("Digits")
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response = process_gather_data(call_sid, digit)
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return HttpResponse(str(response), content_type="application/xml; charset=utf-8")
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# Receive SMS Status Update from Twilio
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class SMSStatusCallback(APIView):
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permission_classes = [AllowOnlyTwilio]
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def post(self, request):
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message_sid = request.POST.get("MessageSid")
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message_status = request.POST.get("MessageStatus")
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update_twilio_sms_status(message_sid=message_sid, message_status=message_status)
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return Response(data="", status=status.HTTP_204_NO_CONTENT)
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# Receive Call Status Update from Twilio
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class CallStatusCallback(APIView):
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permission_classes = [AllowOnlyTwilio]
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def post(self, request):
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call_sid = request.POST.get("CallSid")
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call_status = request.POST.get("CallStatus")
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update_twilio_call_status(call_sid=call_sid, call_status=call_status)
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return Response(data="", status=status.HTTP_204_NO_CONTENT)
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