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IdHub
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issue real credentials

This commit is contained in:
Cayo Puigdefabregas 2023-11-15 11:43:13 +01:00
parent dc887c98c2
commit 72a356ffc8
5 changed files with 94 additions and 35 deletions
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2
idhub/admin/forms.py
View File

@ -118,7 +118,7 @@ class ImportForm(forms.Form):
verified=False,
user=user,
csv_data=json.dumps(row),
did_issuer=self._did.did,
issuer_did=self._did,
schema=self._schema,
)

67
idhub/migrations/0001_initial.py
View File

@ -1,4 +1,4 @@
# Generated by Django 4.2.5 on 2023-11-14 17:48
# Generated by Django 4.2.5 on 2023-11-15 09:58
from django.conf import settings
from django.db import migrations, models
@ -13,6 +13,33 @@ class Migration(migrations.Migration):
]
operations = [
migrations.CreateModel(
name='DID',
fields=[
(
'id',
models.BigAutoField(
auto_created=True,
primary_key=True,
serialize=False,
verbose_name='ID',
),
),
('created_at', models.DateTimeField(auto_now=True)),
('label', models.CharField(max_length=50)),
('did', models.CharField(max_length=250)),
('key_material', models.CharField(max_length=250)),
(
'user',
models.ForeignKey(
null=True,
on_delete=django.db.models.deletion.CASCADE,
related_name='dids',
to=settings.AUTH_USER_MODEL,
),
),
],
),
migrations.CreateModel(
name='File_datas',
fields=[
@ -141,8 +168,7 @@ class Migration(migrations.Migration):
('verified', models.BooleanField()),
('created_on', models.DateTimeField(auto_now=True)),
('issued_on', models.DateTimeField(null=True)),
('did_issuer', models.CharField(max_length=250)),
('did_subject', models.CharField(max_length=250)),
('subject_did', models.CharField(max_length=250)),
('data', models.TextField()),
('csv_data', models.TextField()),
(
@ -157,6 +183,14 @@ class Migration(migrations.Migration):
default=1,
),
),
(
'issuer_did',
models.ForeignKey(
on_delete=django.db.models.deletion.CASCADE,
related_name='vcredentials',
to='idhub.did',
),
),
(
'schema',
models.ForeignKey(
@ -284,33 +318,6 @@ class Migration(migrations.Migration):
),
],
),
migrations.CreateModel(
name='DID',
fields=[
(
'id',
models.BigAutoField(
auto_created=True,
primary_key=True,
serialize=False,
verbose_name='ID',
),
),
('created_at', models.DateTimeField(auto_now=True)),
('label', models.CharField(max_length=50)),
('did', models.CharField(max_length=250)),
('key_material', models.CharField(max_length=250)),
(
'user',
models.ForeignKey(
null=True,
on_delete=django.db.models.deletion.CASCADE,
related_name='dids',
to=settings.AUTH_USER_MODEL,
),
),
],
),
migrations.CreateModel(
name='UserRol',
fields=[

42
idhub/models.py
View File

@ -2,10 +2,12 @@ import json
import requests
import datetime
from django.db import models
from django.template.loader import get_template
from django.utils.translation import gettext_lazy as _
from utils.idhub_ssikit import (
generate_did_controller_key,
keydid_from_controller_key,
sign_credential,
)
from idhub_auth.models import User
@ -459,8 +461,7 @@ class VerificableCredential(models.Model):
verified = models.BooleanField()
created_on = models.DateTimeField(auto_now=True)
issued_on = models.DateTimeField(null=True)
did_issuer = models.CharField(max_length=250)
did_subject = models.CharField(max_length=250)
subject_did = models.CharField(max_length=250)
data = models.TextField()
csv_data = models.TextField()
status = models.PositiveSmallIntegerField(
@ -472,6 +473,11 @@ class VerificableCredential(models.Model):
on_delete=models.CASCADE,
related_name='vcredentials',
)
issuer_did = models.ForeignKey(
DID,
on_delete=models.CASCADE,
related_name='vcredentials',
)
schema = models.ForeignKey(
Schemas,
on_delete=models.CASCADE,
@ -498,9 +504,39 @@ class VerificableCredential(models.Model):
return data
def issue(self, did):
if self.status == self.Status.ISSUED:
return
self.status = self.Status.ISSUED
self.did_subject = did
self.subject_did = did
self.issued_on = datetime.datetime.now()
self.data = sign_credential(
self.render(),
self.issuer_did.key_material
)
def get_context(self):
d = json.loads(self.csv_data)
format = "%Y-%m-%dT%H:%M:%SZ"
issuance_date = self.issued_on.strftime(format)
context = {
'vc_id': self.id,
'issuer_did': self.issuer_did.did,
'subject_did': self.subject_did,
'issuance_date': issuance_date,
}
context.update(d)
return context
def render(self):
context = self.get_context()
template_name = 'credentials/{}'.format(
self.schema.file_schema
)
tmpl = get_template(template_name)
return tmpl.render(context)
def get_issued_on(self):
if self.issued_on:

2
idhub_auth/migrations/0001_initial.py
View File

@ -1,4 +1,4 @@
# Generated by Django 4.2.5 on 2023-11-14 17:48
# Generated by Django 4.2.5 on 2023-11-15 09:58
from django.db import migrations, models

16
utils/idhub_ssikit/__init__.py
View File

@ -3,6 +3,7 @@ import datetime
import didkit
import json
import jinja2
from django.template.backends.django import Template
def generate_did_controller_key():
@ -46,6 +47,21 @@ def render_and_sign_credential(vc_template: jinja2.Template, jwk_issuer, vc_data
return asyncio.run(inner())
def sign_credential(unsigned_vc: str, jwk_issuer):
"""
Signs the and unsigned credential with the provided key.
"""
async def inner():
signed_vc = await didkit.issue_credential(
unsigned_vc,
'{"proofFormat": "ldp"}',
jwk_issuer
)
return signed_vc
return asyncio.run(inner())
def verify_credential(vc, proof_options):
"""
Returns a (bool, str) tuple indicating whether the credential is valid.