28190fe6b7
# What this PR does Added support for [Exotel](https://exotel.com/) call provider. Features: - Sending verification code through SMS - Making test call - Making notification call ## Checklist - [x] Unit, integration, and e2e (if applicable) tests updated - [x] Documentation added (or `pr:no public docs` PR label added if not required) - [x] Added the relevant release notes label (see labels prefixed w/ `release:`). These labels dictate how your PR will show up in the autogenerated release notes.
46 lines
1.5 KiB
Python
46 lines
1.5 KiB
Python
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 .status_callback import update_exotel_call_status
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class AllowOnlyExotel(BasePermission):
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def has_permission(self, request, view):
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call_id = request.data.get("CallSid")
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if not call_id:
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return False
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status = request.data.get("Status")
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if not status:
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return False
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from apps.exotel.models import ExotelPhoneCall
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call = ExotelPhoneCall.objects.filter(call_id=call_id).first()
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if call:
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return self.validate_request(request)
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return False
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def validate_request(self, request):
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# No reliable way to validate an exotel status callback as of now
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# this is confirmed by exotel customer support too
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# It is better to allow only exotel server IPs to this endpoint through firewall or similar means
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if request.META.get("HTTP_USER_AGENT") == "Exotel Servers":
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return True
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return False
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# Receive Call Status from Exotel
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class CallStatusCallback(APIView):
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permission_classes = [AllowOnlyExotel]
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def post(self, request):
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self._handle_call_status(request)
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return Response(data="", status=status.HTTP_204_NO_CONTENT)
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def _handle_call_status(self, request):
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call_id = request.data.get("CallSid")
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call_status = request.data.get("Status")
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update_exotel_call_status(call_id=call_id, call_status=call_status)
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