80 lines
2.6 KiB
Python
80 lines
2.6 KiB
Python
import json
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import requests
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from django import forms
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from django.conf import settings
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from django.template.loader import get_template
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from django.utils.translation import gettext_lazy as _
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from django.core.exceptions import ValidationError
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from utils.idhub_ssikit import create_verifiable_presentation
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from oidc4vp.models import Organization
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from idhub.models import VerificableCredential
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class AuthorizeForm(forms.Form):
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def __init__(self, *args, **kwargs):
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self.data = kwargs.get('data', {}).copy()
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self.user = kwargs.pop('user', None)
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self.org = kwargs.pop('org', None)
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self.code = kwargs.pop('code', None)
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self.presentation_definition = kwargs.pop('presentation_definition', [])
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reg = r'({})'.format('|'.join(self.presentation_definition))
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self.credentials = self.user.vcredentials.filter(
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schema__type__iregex=reg,
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status=VerificableCredential.Status.ISSUED.value
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)
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super().__init__(*args, **kwargs)
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for vp in self.presentation_definition:
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vp = vp.lower()
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choices = [
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(str(x.id), x.schema.type.lower()) for x in self.credentials.filter(
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schema__type__iexact=vp)
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]
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self.fields[vp.lower()] = forms.ChoiceField(
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widget=forms.RadioSelect,
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choices=choices
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)
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def clean(self):
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data = super().clean()
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self.list_credentials = []
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for c in self.credentials:
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if str(c.id) == data.get(c.schema.type.lower()):
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if c.status is not c.Status.ISSUED.value or not c.data:
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txt = _('There are some problems with this credentials')
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raise ValidationError(txt)
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self.list_credentials.append(c)
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if not self.code:
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txt = _("There isn't code in request")
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raise ValidationError(txt)
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return data
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def save(self, commit=True):
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if not self.list_credentials:
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return
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self.get_verificable_presentation()
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if commit:
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return self.org.send(self.vp, self.code)
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return
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def get_verificable_presentation(self):
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did = self.list_credentials[0].subject_did
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vp_template = get_template('credentials/verifiable_presentation.json')
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vc_list = json.dumps([json.loads(x.data) for x in self.list_credentials])
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context = {
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"holder_did": did.did,
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"verifiable_credential_list": vc_list
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}
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unsigned_vp = vp_template.render(context)
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self.vp = create_verifiable_presentation(did.key_material, unsigned_vp)
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