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from django.http import Http404, HttpResponse
from django.shortcuts import get_object_or_404
from django.views.decorators.csrf import csrf_exempt
from django.db import transaction
from django.conf import settings
from postgresqleu.util.decorators import global_login_exempt
from postgresqleu.digisign.models import DigisignProvider
from postgresqleu.mailqueue.util import send_simple_mail
@global_login_exempt
@csrf_exempt
def webhook(request, providershort, id):
if request.method != 'POST':
raise Http404()
provider = get_object_or_404(DigisignProvider, pk=id)
impl = provider.get_implementation()
if impl.webhookcode != providershort:
raise Http404()
try:
with transaction.atomic():
impl.process_webhook(request)
return HttpResponse("OK", status=200)
except Exception as e:
# Bad choice of address to send to, but it's the best we can do at this stage
# as we don't have a general notifications address.
send_simple_mail(
settings.INVOICE_SENDER_EMAIL,
settings.INVOICE_SENDER_EMAIL,
"Exception processing digital signature webhook",
"An exception occurred while processing a digital signature webhook for {}:\n\n{}\n".format(
provider.name,
e),
)
return HttpResponse("ERROR", status=200)
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