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