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sig credential in pdf

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This commit is contained in:
Cayo Puigdefabregas 2024-01-10 13:53:43 +01:00
parent 0ec40f66eb
commit c836112f36
10 changed files with 228 additions and 31 deletions
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69
idhub/admin/forms.py
View file

@ -1,11 +1,14 @@
import csv
import json
import base64
import pandas as pd
from pyhanko.sign import signers
from django import forms
from django.utils.translation import gettext_lazy as _
from django.core.exceptions import ValidationError
from utils import credtools
from utils import credtools, certs
from idhub.models import (
DID,
File_datas,
@ -216,3 +219,67 @@ class UserRolForm(forms.ModelForm):
raise forms.ValidationError(msg)
return data['service']
class ImportCertificateForm(forms.Form):
label = forms.CharField(label=_("Label"))
password = forms.CharField(
label=_("Password of certificate"),
widget=forms.PasswordInput
)
file_import = forms.FileField(label=_("File import"))
def __init__(self, *args, **kwargs):
self._did = None
self._s = None
self._label = None
self.user = kwargs.pop('user', None)
super().__init__(*args, **kwargs)
def clean(self):
data = super().clean()
# import pdb; pdb.set_trace()
file_import = data.get('file_import')
self.pfx_file = file_import.read()
self.file_name = file_import.name
self._pss = data.get('password')
self._label = data.get('label')
if not self.pfx_file or not self._pss:
msg = _("Is not a valid certificate")
raise forms.ValidationError(msg)
self.signer_init()
if not self._s:
msg = _("Is not a valid certificate")
raise forms.ValidationError(msg)
self.new_did()
return data
def new_did(self):
cert = self.pfx_file
keys = {
"cert": base64.b64encode(self.pfx_file).decode('utf-8'),
"passphrase": self._pss
}
key_material = json.dumps(keys)
self._did = DID(
key_material=key_material,
did=self.file_name,
label=self._label,
eidas1=True,
user=self.user
)
def save(self, commit=True):
if commit:
self._did.save()
return self._did
return
def signer_init(self):
self._s = certs.load_cert(
self.pfx_file, self._pss.encode('utf-8')
)

19
idhub/admin/views.py
View file

@ -30,6 +30,7 @@ from idhub.admin.forms import (
MembershipForm,
SchemaForm,
UserRolForm,
ImportCertificateForm,
)
from idhub.admin.tables import (
DashboardTable
@ -695,11 +696,27 @@ class WalletCredentialsView(Credentials):
wallet = True
class WalletConfigIssuesView(Credentials):
class WalletConfigIssuesView(Credentials, FormView):
template_name = "idhub/admin/wallet_issues.html"
subtitle = _('Configure credential issuance')
icon = 'bi bi-patch-check-fill'
wallet = True
form_class = ImportCertificateForm
success_url = reverse_lazy('idhub:admin_dids')
def get_form_kwargs(self):
kwargs = super().get_form_kwargs()
kwargs['user'] = self.request.user
return kwargs
def form_valid(self, form):
cred = form.save()
if cred:
messages.success(self.request, _("The credential was imported successfully!"))
Event.set_EV_ORG_DID_CREATED_BY_ADMIN(cred)
else:
messages.error(self.request, _("Error importing the credential!"))
return super().form_valid(form)
class SchemasView(SchemasMix):

18
idhub/migrations/0001_initial.py
View file

@ -1,4 +1,4 @@
# Generated by Django 4.2.5 on 2023-12-11 08:35
# Generated by Django 4.2.5 on 2024-01-10 11:52
from django.conf import settings
from django.db import migrations, models
@ -26,9 +26,10 @@ class Migration(migrations.Migration):
),
),
('created_at', models.DateTimeField(auto_now=True)),
('label', models.CharField(max_length=50)),
('label', models.CharField(max_length=50, verbose_name='Label')),
('did', models.CharField(max_length=250)),
('key_material', models.CharField(max_length=250)),
('key_material', models.TextField()),
('eidas1', models.BooleanField(default=False)),
(
'user',
models.ForeignKey(
@ -256,8 +257,11 @@ class Migration(migrations.Migration):
verbose_name='ID',
),
),
('created', models.DateTimeField(auto_now=True)),
('message', models.CharField(max_length=350)),
('created', models.DateTimeField(auto_now=True, verbose_name='Date')),
(
'message',
models.CharField(max_length=350, verbose_name='Description'),
),
(
'type',
models.PositiveSmallIntegerField(
@ -295,7 +299,8 @@ class Migration(migrations.Migration):
(28, 'Organisational DID deleted by admin'),
(29, 'User deactivated'),
(30, 'User activated'),
]
],
verbose_name='Event',
),
),
(
@ -327,6 +332,7 @@ class Migration(migrations.Migration):
on_delete=django.db.models.deletion.CASCADE,
related_name='users',
to='idhub.service',
verbose_name='Service',
),
),
(

3
idhub/models.py
View file

@ -409,7 +409,8 @@ class DID(models.Model):
# In JWK format. Must be stored as-is and passed whole to library functions.
# Example key material:
# '{"kty":"OKP","crv":"Ed25519","x":"oB2cPGFx5FX4dtS1Rtep8ac6B__61HAP_RtSzJdPxqs","d":"OJw80T1CtcqV0hUcZdcI-vYNBN1dlubrLaJa0_se_gU"}'
key_material = models.CharField(max_length=250)
key_material = models.TextField()
eidas1 = models.BooleanField(default=False)
user = models.ForeignKey(
User,
on_delete=models.CASCADE,

23
idhub/templates/idhub/admin/wallet_issues.html
View file

@ -6,4 +6,27 @@
<i class="{{ icon }}"></i>
{{ subtitle }}
</h3>
{% load django_bootstrap5 %}
<form role="form" method="post" enctype="multipart/form-data">
{% csrf_token %}
{% if form.errors %}
<div class="alert alert-danger alert-icon alert-icon-border alert-dismissible" role="alert">
<div class="icon"><span class="mdi mdi-close-circle-o"></span></div>
<div class="message">
<button class="close" type="button" data-dismiss="alert" aria-label="Close">
<span class="mdi mdi-close" aria-hidden="true"></span>
</button>
{% for field, error in form.errors.items %}
{{ error }}
{% endfor %}
</div>
</div>
{% endif %}
{% bootstrap_form form %}
<div class="form-actions-no-box">
<a class="btn btn-grey" href="{% url 'idhub:admin_import' %}">{% translate "Cancel" %}</a>
<input class="btn btn-green-admin" type="submit" name="submit" value="{% translate 'Upload' %}" />
</div>
</form>
{% endblock %}

65
idhub/user/views.py
View file

@ -1,7 +1,9 @@
import os
import json
import base64
import qrcode
import logging
import datetime
import weasyprint
import qrcode.image.svg
@ -28,6 +30,7 @@ from idhub.user.forms import (
RequestCredentialForm,
DemandAuthorizationForm
)
from utils import certs
from idhub.mixins import UserView
from idhub.models import DID, VerificableCredential, Event
@ -130,17 +133,16 @@ class CredentialJsonView(MyWallet, TemplateView):
_pss = '123456'
def get(self, request, *args, **kwargs):
# pk = kwargs['pk']
# self.object = get_object_or_404(
# VerificableCredential,
# pk=pk,
# user=self.request.user
# )
# return self.render_to_response(context=self.get_context_data())
pk = kwargs['pk']
self.user = self.request.user
self.object = get_object_or_404(
VerificableCredential,
pk=pk,
user=self.request.user
)
data = self.build_certificate()
doc = self.insert_signature(data)
import pdb; pdb.set_trace()
response = HttpResponse(doc, content_type="application/pdf")
response['Content-Disposition'] = 'attachment; filename={}'.format(self.file_name)
return response
@ -159,10 +161,31 @@ class CredentialJsonView(MyWallet, TemplateView):
img_head = base64.b64encode(_f.read()).decode('utf-8')
qr = self.generate_qr_code("http://localhost")
if DID.objects.filter(eidas1=True).exists():
qr = ""
first_name = self.user.first_name and self.user.first_name.upper() or ""
last_name = self.user.first_name and self.user.last_name.upper() or ""
document_id = "0000000-L"
course = "COURSE 1"
address = "ADDRESS"
date_course = datetime.datetime.now()
n_hours = 40
n_lections = 5
issue_date = datetime.datetime.now()
context.update({
# 'object': self.object,
'object': self.object,
"image_signature": img_sig,
"image_header": img_head,
"first_name": first_name,
"last_name": last_name,
"document_id": document_id,
"course": course,
"address": address,
"date_course": date_course,
"n_hours": n_hours,
"n_lections": n_lections,
"issue_date": issue_date,
"qr": qr
})
return context
@ -188,17 +211,31 @@ class CredentialJsonView(MyWallet, TemplateView):
return base64.b64encode(img_buffer.getvalue()).decode('utf-8')
def get_pfx_data(self):
did = DID.objects.filter(eidas1=True).first()
if not did:
return None, None
key_material = json.loads(did.key_material)
cert = key_material.get("cert")
passphrase = key_material.get("passphrase")
if cert and passphrase:
return base64.b64decode(cert), passphrase.encode('utf-8')
return None, None
def signer_init(self):
fname = "examples/signerDNIe004.pfx"
# pfx_buffer = BytesIO()
pfx_file= next(Path.cwd().glob(fname))
s = signers.SimpleSigner.load_pkcs12(
pfx_file=pfx_file, passphrase=self._pss.encode('utf-8')
pfx_data, passphrase = self.get_pfx_data()
s = certs.load_cert(
pfx_data, passphrase
)
return s
def insert_signature(self, doc):
# import pdb; pdb.set_trace()
sig = self.signer_init()
if not sig:
return
_buffer = BytesIO()
_buffer.write(doc)
w = IncrementalPdfFileWriter(_buffer)

18
idhub_auth/migrations/0001_initial.py
View file

@ -1,4 +1,4 @@
# Generated by Django 4.2.5 on 2023-12-11 08:35
# Generated by Django 4.2.5 on 2024-01-10 11:52
from django.db import migrations, models
@ -31,13 +31,23 @@ class Migration(migrations.Migration):
(
'email',
models.EmailField(
max_length=255, unique=True, verbose_name='email address'
max_length=255, unique=True, verbose_name='Email address'
),
),
('is_active', models.BooleanField(default=True)),
('is_admin', models.BooleanField(default=False)),
('first_name', models.CharField(blank=True, max_length=255, null=True)),
('last_name', models.CharField(blank=True, max_length=255, null=True)),
(
'first_name',
models.CharField(
blank=True, max_length=255, null=True, verbose_name='First name'
),
),
(
'last_name',
models.CharField(
blank=True, max_length=255, null=True, verbose_name='Last name'
),
),
],
options={
'abstract': False,

6
oidc4vp/migrations/0001_initial.py
View file

@ -1,4 +1,4 @@
# Generated by Django 4.2.5 on 2023-12-11 08:35
# Generated by Django 4.2.5 on 2024-01-10 11:52
from django.conf import settings
from django.db import migrations, models
@ -30,7 +30,7 @@ class Migration(migrations.Migration):
'code',
models.CharField(default=oidc4vp.models.set_code, max_length=24),
),
('code_used', models.BooleanField()),
('code_used', models.BooleanField(default=False)),
('created', models.DateTimeField(auto_now=True)),
('presentation_definition', models.CharField(max_length=250)),
],
@ -91,7 +91,7 @@ class Migration(migrations.Migration):
models.ForeignKey(
null=True,
on_delete=django.db.models.deletion.SET_NULL,
related_name='oauth2vptoken',
related_name='vp_tokens',
to='oidc4vp.authorization',
),
),

2
promotion/migrations/0001_initial.py
View file

@ -1,4 +1,4 @@
# Generated by Django 4.2.5 on 2023-12-11 08:35
# Generated by Django 4.2.5 on 2024-01-10 11:52
from django.db import migrations, models
import django.db.models.deletion

36
utils/certs.py Normal file
View file

@ -0,0 +1,36 @@
from pyhanko.sign.signers import SimpleSigner
from cryptography.hazmat.primitives.serialization import pkcs12
from pyhanko_certvalidator.registry import SimpleCertificateStore
from pyhanko.keys import _translate_pyca_cryptography_cert_to_asn1
from pyhanko.keys import _translate_pyca_cryptography_key_to_asn1
def load_cert(pfx_bytes, passphrase):
try:
(
private_key,
cert,
other_certs_pkcs12,
) = pkcs12.load_key_and_certificates(pfx_bytes, passphrase)
except (IOError, ValueError, TypeError) as e:
# logger.error(
# 'Could not load key material from PKCS#12 file', exc_info=e
# )
return None
kinfo = _translate_pyca_cryptography_key_to_asn1(private_key)
cert = _translate_pyca_cryptography_cert_to_asn1(cert)
other_certs_pkcs12 = set(
map(_translate_pyca_cryptography_cert_to_asn1, other_certs_pkcs12)
)
cs = SimpleCertificateStore()
certs_to_register = set(other_certs_pkcs12)
cs.register_multiple(certs_to_register)
return SimpleSigner(
signing_key=kinfo,
signing_cert=cert,
cert_registry=cs,
signature_mechanism=None,
prefer_pss=False,
)