def handle_payment_intent_payment_failed_event(
stripe_payment_intent: stripe.PaymentIntent,
payment_intent: Event) -> None:
payment_intent.status = PaymentIntent.get_status_integer_from_status_text(
stripe_payment_intent.status)
billing_logger.info(
"Stripe payment intent failed: %s %s %s %s",
payment_intent.customer.realm.string_id,
stripe_payment_intent.last_payment_error.get("type"),
stripe_payment_intent.last_payment_error.get("code"),
stripe_payment_intent.last_payment_error.get("param"),
)
payment_intent.last_payment_error = {
"description": stripe_payment_intent.last_payment_error.get("type"),
}
payment_intent.last_payment_error[
"message"] = stripe_payment_intent.last_payment_error.get("message")
payment_intent.save(update_fields=["status", "last_payment_error"])
def stripe_webhook(request: HttpRequest) -> HttpResponse:
stripe_webhook_endpoint_secret = get_secret(
"stripe_webhook_endpoint_secret", "")
if (
stripe_webhook_endpoint_secret and not settings.TEST_SUITE
): # nocoverage: We can't verify the signature in test suite since we fetch the events
# from Stripe events API and manually post to the webhook endpoint.
try:
stripe_event = stripe.Webhook.construct_event(
request.body,
request.META.get("HTTP_STRIPE_SIGNATURE"),
stripe_webhook_endpoint_secret,
)
except ValueError:
return HttpResponse(status=400)
except stripe.error.SignatureVerificationError:
return HttpResponse(status=400)
else:
assert not settings.PRODUCTION
try:
stripe_event = stripe.Event.construct_from(
json.loads(request.body), stripe.api_key)
except Exception:
return HttpResponse(status=400)
if stripe_event.api_version != STRIPE_API_VERSION:
error_message = f"Mismatch between billing system Stripe API version({STRIPE_API_VERSION}) and Stripe webhook event API version({stripe_event.api_version})."
billing_logger.error(error_message)
return HttpResponse(status=400)
if stripe_event.type not in [
"checkout.session.completed",
"payment_intent.succeeded",
"payment_intent.payment_failed",
]:
return HttpResponse(status=200)
if Event.objects.filter(stripe_event_id=stripe_event.id).exists():
return HttpResponse(status=200)
event = Event(stripe_event_id=stripe_event.id, type=stripe_event.type)
if stripe_event.type == "checkout.session.completed":
stripe_session = stripe_event.data.object
assert isinstance(stripe_session, stripe.checkout.Session)
try:
session = Session.objects.get(stripe_session_id=stripe_session.id)
except Session.DoesNotExist:
return HttpResponse(status=200)
event.content_type = ContentType.objects.get_for_model(Session)
event.object_id = session.id
event.save()
handle_checkout_session_completed_event(stripe_session, event)
elif stripe_event.type == "payment_intent.succeeded":
stripe_payment_intent = stripe_event.data.object
assert isinstance(stripe_payment_intent, stripe.PaymentIntent)
try:
payment_intent = PaymentIntent.objects.get(
stripe_payment_intent_id=stripe_payment_intent.id)
except PaymentIntent.DoesNotExist:
# PaymentIntent that was not manually created from the billing system.
# Could be an Invoice getting paid which is is not an event we are interested in.
return HttpResponse(status=200)
event.content_type = ContentType.objects.get_for_model(PaymentIntent)
event.object_id = payment_intent.id
event.save()
handle_payment_intent_succeeded_event(stripe_payment_intent, event)
elif stripe_event.type == "payment_intent.payment_failed":
stripe_payment_intent = stripe_event.data.object
try:
assert isinstance(stripe_payment_intent, stripe.PaymentIntent)
payment_intent = PaymentIntent.objects.get(
stripe_payment_intent_id=stripe_payment_intent.id)
except PaymentIntent.DoesNotExist:
# PaymentIntent that was not manually created from the billing system.
# Could be an Invoice getting paid which is is not an event we are interested in.
return HttpResponse(status=200)
event.content_type = ContentType.objects.get_for_model(PaymentIntent)
event.object_id = payment_intent.id
event.save()
handle_payment_intent_payment_failed_event(stripe_payment_intent,
event)
return HttpResponse(status=200)
def wrapper(stripe_object: Union[stripe.checkout.Session,
stripe.PaymentIntent],
event: Event) -> None:
event.status = Event.EVENT_HANDLER_STARTED
event.save(update_fields=["status"])
try:
func(stripe_object, event.content_object)
except BillingError as e:
billing_logger.warning(
"BillingError in %s event handler: %s. stripe_object_id=%s, customer_id=%s metadata=%s",
event.type,
e.error_description,
stripe_object.id,
stripe_object.customer,
stripe_object.metadata,
)
event.status = Event.EVENT_HANDLER_FAILED
event.handler_error = {
"message": e.msg,
"description": e.error_description,
}
event.save(update_fields=["status", "handler_error"])
except Exception:
billing_logger.exception(
"Uncaught exception in %s event handler:",
event.type,
stack_info=True,
)
event.status = Event.EVENT_HANDLER_FAILED
event.handler_error = {
"description":
f"uncaught exception in {event.type} event handler",
"message":
BillingError.CONTACT_SUPPORT.format(
email=settings.ZULIP_ADMINISTRATOR),
}
event.save(update_fields=["status", "handler_error"])
else:
event.status = Event.EVENT_HANDLER_SUCCEEDED
event.save()