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mirror of https://github.com/inventree/InvenTree.git synced 2025-05-17 12:33:08 +00:00
2021-10-18 22:39:08 +02:00

85 lines
2.5 KiB
Python

"""
Provides a JSON API for common components.
"""
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import json
from django.utils.decorators import method_decorator
from django.urls import path
from django.views.decorators.csrf import csrf_exempt
from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework.exceptions import NotAcceptable, NotFound
from django_q.tasks import async_task
from .models import WebhookEndpoint, WebhookMessage
class CsrfExemptMixin(object):
"""
Exempts the view from CSRF requirements.
"""
@method_decorator(csrf_exempt)
def dispatch(self, *args, **kwargs):
return super(CsrfExemptMixin, self).dispatch(*args, **kwargs)
class WebhookView(CsrfExemptMixin, APIView):
"""
Endpoint for receiving webhooks.
"""
authentication_classes = []
permission_classes = []
model_class = WebhookEndpoint
run_async = False
def post(self, request, endpoint, *args, **kwargs):
# get webhook definition
self._get_webhook(endpoint, request, *args, **kwargs)
# check headers
headers = request.headers
try:
payload = json.loads(request.body)
except json.decoder.JSONDecodeError as error:
raise NotAcceptable(error.msg)
# validate
self.webhook.validate_token(payload, headers, request)
# process data
message = self.webhook.save_data(payload, headers, request)
if self.run_async:
async_task(self._process_payload, message.id)
else:
message.worked_on = self.webhook.process_payload(message, payload, headers)
message.save()
# return results
return_kwargs = self.webhook.get_result(payload, headers, request)
return Response(**return_kwargs)
def _process_payload(self, message_id):
message = WebhookMessage.objects.get(message_id=message_id)
process_result = self.webhook.process_payload(message, message.body, message.header)
message.worked_on = process_result
message.save()
def _get_webhook(self, endpoint, request, *args, **kwargs):
try:
webhook = self.model_class.objects.get(endpoint_id=endpoint)
self.webhook = webhook
self.webhook.init(request, *args, **kwargs)
return self.webhook.process_webhook()
except self.model_class.DoesNotExist:
raise NotFound()
common_api_urls = [
path('webhook/<slug:endpoint>/', WebhookView.as_view(), name='api-webhook'),
]