import datetime import logging import stripe # Create your views here. from django.conf import settings from django.http import HttpResponse from django.views.decorators.csrf import csrf_exempt from django.views.decorators.http import require_POST from utils.models import BillingAddress, UserBillingAddress from utils.tasks import send_plain_email_task logger = logging.getLogger(__name__) # Things to do for webhooks feature # 1. Uninstall old version and install a more recent version of stripe # ``` # source venv/bin/activate # ./manage.py shell # pip uninstall stripe # pip install stripe==2.24.1 # ``` # 2. Create tax id updated webhook # ``` # ./manage.py webhook --create \ # --webhook_endpoint https://datacenterlight.ch/en-us/webhooks/ \ # --events_csv customer.tax_id.updated # ``` # # 3. From the secret obtained in 2, setup an environment variable # ``` # WEBHOOK_SECRET='whsec......' # ``` @require_POST @csrf_exempt def handle_webhook(request): payload = request.body event = None try: if 'HTTP_STRIPE_SIGNATURE' in request.META: sig_header = request.META['HTTP_STRIPE_SIGNATURE'] else: logger.error("No HTTP_STRIPE_SIGNATURE header") # Invalid payload return HttpResponse(status=400) event = stripe.Webhook.construct_event( payload, sig_header, settings.WEBHOOK_SECRET ) except ValueError as e: # Invalid payload err_msg = "FAILURE handle_invoice_webhook: Invalid payload details" err_body = "Details %s" % str(e) return handle_error(err_msg, err_body) except stripe.error.SignatureVerificationError as e: # Invalid signature err_msg = "FAILURE handle_invoice_webhook: SignatureVerificationError" err_body = "Details %s" % str(e) return handle_error(err_msg, err_body) # Do something with event logger.debug("Passed signature verification") if event.type == "customer.tax_id.updated": logger.debug("Webhook Event: customer.tax_id.updated") tax_id_obj = event.data.object logger.debug("Tax_id %s is %s" % tax_id_obj.id, tax_id_obj.verification.status) if tax_id_obj.verification.status == "verified": b_addresses = BillingAddress.objects.filter(vat_number=tax_id_obj.value) for b_address in b_addresses: b_address.vat_number_validated_on = datetime.datetime.now() ub_addresses = UserBillingAddress.objects.filter(vat_number=tax_id_obj.value) for ub_address in ub_addresses: ub_address.vat_number_validated_on = datetime.datetime.now() else: logger.debug("Tax_id %s is %s" % tax_id_obj.id, tax_id_obj.verification.status) else: logger.error("Unhandled event : " + event.type) return HttpResponse(status=200) def handle_error(error_msg, error_body): logger.error("%s -- %s" % (error_msg, error_body)) email_to_admin_data = { 'subject': error_msg, 'from_email': settings.DCL_SUPPORT_FROM_ADDRESS, 'to': [settings.ADMIN_EMAIL], 'body': error_body, } send_plain_email_task.delay(email_to_admin_data) return HttpResponse(status=400)