IdHub/idhub/verification_portal/views.py

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2023-11-27 06:04:30 +00:00
import json
from django.core.mail import send_mail
from django.http import HttpResponse
from .models import VPVerifyRequest
from django.shortcuts import get_object_or_404
from more_itertools import flatten, unique_everseen
def verify(request):
assert request.method == "POST"
# TODO: use request.POST["presentation_submission"]
vp = json.loads(request.POST["vp_token"])
nonce = vp["nonce"]
# "vr" = verification_request
vr = get_object_or_404(VPVerifyRequest, nonce=nonce) # TODO: return meaningful error, not 404
# Get a list of all included verifiable credential types
included_credential_types = unique_everseen(flatten([
vc["type"] for vc in vp["verifiableCredential"]
]))
# Check that it matches what we requested
for requested_vc_type in json.loads(vr.expected_credentials):
if requested_vc_type not in included_credential_types:
raise Exception("You're missing some credentials we requested!") # TODO: return meaningful error
# Perform whatever action we have to do
action = json.loads(vr.action)
if action["action"] == "send_mail":
subject = action["params"]["subject"]
to_email = action["params"]["to"]
from_email = "noreply@verifier-portal"
body = request.POST["vp-token"]
send_mail(
subject,
body,
from_email,
[to_email]
)
elif action["action"] == "something-else":
pass
else:
raise Exception("Unknown action!")
return HttpResponse("OK! Your verifiable presentation was successfully presented.")