add url public for get a credential with hash

idhub/admin/forms.py

@@ -239,7 +239,6 @@ class ImportCertificateForm(forms.Form):
 
     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

idhub/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.2.5 on 2024-01-10 11:52
+# Generated by Django 4.2.5 on 2024-01-11 10:17
 
 from django.conf import settings
 from django.db import migrations, models
@@ -151,6 +151,8 @@ class Migration(migrations.Migration):
                 ('issued_on', models.DateTimeField(null=True)),
                 ('data', models.TextField()),
                 ('csv_data', models.TextField()),
+                ('public', models.BooleanField(default=True)),
+                ('hash', models.CharField(max_length=260)),
                 (
                     'status',
                     models.PositiveSmallIntegerField(

idhub/models.py

@@ -1,5 +1,6 @@
 import json
 import pytz
+import hashlib
 import datetime
 from django.db import models
 from django.conf import settings
@@ -467,6 +468,8 @@ class VerificableCredential(models.Model):
     issued_on = models.DateTimeField(null=True)
     data = models.TextField()
     csv_data = models.TextField()
+    public = models.BooleanField(default=settings.DEFAULT_PUBLIC_CREDENTIALS)
+    hash = models.CharField(max_length=260)
     status = models.PositiveSmallIntegerField(
         choices=Status.choices,
         default=Status.ENABLED
@@ -520,6 +523,8 @@ class VerificableCredential(models.Model):
             self.render(),
             self.issuer_did.key_material
         )
+        if self.public:
+            self.hash = hashlib.sha3_256(self.data.encode()).hexdigest()
 
     def get_context(self):
         d = json.loads(self.csv_data)
@@ -528,8 +533,12 @@ class VerificableCredential(models.Model):
             format = "%Y-%m-%dT%H:%M:%SZ"
             issuance_date = self.issued_on.strftime(format)
 
-        url_id = "{}/credentials/{}".format(
+        cred_path = 'credentials'
+        if self.public:
+            cred_path = 'public/credentials'
+        url_id = "{}/{}/{}".format(
             settings.DOMAIN.strip("/"),
+            cred_path,
             self.id
         )
         context = {

idhub/templates/idhub/user/credential.html

@@ -37,6 +37,11 @@
       </div>
     </div>
     <div class="row mt-3">
+      {% if object.public %}
+      <div class="col text-center">
+        <a class="btn btn-green-user" href="{% url 'idhub:user_credential_pdf' object.id %}">{% trans 'View in PDF format' %}</a>
+      </div>
+      {% endif %}
       <div class="col text-center">
         <a class="btn btn-green-user" href="{% url 'idhub:user_credential_json' object.id %}">{% trans 'View in JSON format' %}</a>
       </div>

idhub/urls.py

@@ -80,8 +80,12 @@ urlpatterns = [
         name='user_credentials'),
     path('user/credentials/<int:pk>', views_user.CredentialView.as_view(),
         name='user_credential'),
-    path('user/credentials/<int:pk>/json', views_user.CredentialJsonView.as_view(),
+    path('user/credentials/<int:pk>/pdf', views_user.CredentialPdfView.as_view(),
+        name='user_credential_pdf'),
+    path('credentials/<int:pk>/', views_user.CredentialJsonView.as_view(),
         name='user_credential_json'),
+    path('public/credentials/<str:pk>/', views_user.PublicCredentialJsonView.as_view(),
+        name='public_credential_json'),
     path('user/credentials/request/',
         views_user.CredentialsRequestView.as_view(),
         name='user_credentials_request'),

idhub/user/views.py

@@ -14,6 +14,7 @@ from pyhanko import stamp
 from pyhanko.pdf_utils import text
 from pyhanko.pdf_utils.incremental_writer import IncrementalPdfFileWriter
 from django.utils.translation import gettext_lazy as _
+from django.views.generic import View
 from django.views.generic.edit import (
     UpdateView,
     CreateView,
@@ -25,6 +26,7 @@ from django.shortcuts import get_object_or_404, redirect
 from django.urls import reverse_lazy
 from django.http import HttpResponse
 from django.contrib import messages
+from django.conf import settings
 from idhub.user.forms import (
     ProfileForm,
     RequestCredentialForm,
@@ -125,7 +127,7 @@ class CredentialView(MyWallet, TemplateView):
         return context
 
 
-class CredentialJsonView(MyWallet, TemplateView):
+class CredentialPdfView(MyWallet, TemplateView):
     template_name = "certificates/4_Model_Certificat.html"
     subtitle = _('Credential management')
     icon = 'bi bi-patch-check-fill'
@@ -138,11 +140,19 @@ class CredentialJsonView(MyWallet, TemplateView):
         self.object = get_object_or_404(
             VerificableCredential,
             pk=pk,
+            public=True,
             user=self.request.user
         )
+        self.url_id = "{}/public/credentials/{}".format(
+            settings.DOMAIN.strip("/"),
+            self.object.hash
+        )
 
         data = self.build_certificate()
-        doc = self.insert_signature(data)
+        if DID.objects.filter(eidas1=True).exists():
+            doc = self.insert_signature(data)
+        else:
+            doc = data
         response = HttpResponse(doc, content_type="application/pdf")
         response['Content-Disposition'] = 'attachment; filename={}'.format(self.file_name)
         return response
@@ -160,9 +170,7 @@ class CredentialJsonView(MyWallet, TemplateView):
         with open(img_header, 'rb') as _f:
             img_head = base64.b64encode(_f.read()).decode('utf-8')
 
-        qr = self.generate_qr_code("http://localhost")
+        qr = self.generate_qr_code(self.url_id)
-        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 ""
@@ -231,7 +239,6 @@ class CredentialJsonView(MyWallet, TemplateView):
         return s
 
     def insert_signature(self, doc):
-        # import pdb; pdb.set_trace()
         sig = self.signer_init()
         if not sig:
             return
@@ -247,18 +254,17 @@ class CredentialJsonView(MyWallet, TemplateView):
 
         meta = signers.PdfSignatureMetadata(field_name='Signature')
         pdf_signer = signers.PdfSigner(
-            meta, signer=sig, stamp_style=stamp.QRStampStyle(
+            meta, signer=sig, stamp_style=stamp.TextStampStyle(
                 stamp_text='Signed by: %(signer)s\nTime: %(ts)s\nURL: %(url)s',
                 text_box_style=text.TextBoxStyle()
             )
         )
         _bf_out = BytesIO()
-        url = "https://localhost:8000/"
+        pdf_signer.sign_pdf(w, output=_bf_out, appearance_text_params={'url': self.url_id})
-        pdf_signer.sign_pdf(w, output=_bf_out, appearance_text_params={'url': url})
         return _bf_out.read()
 
 
-class CredentialJsonView2(MyWallet, TemplateView):
+class CredentialJsonView(MyWallet, TemplateView):
 
     def get(self, request, *args, **kwargs):
         pk = kwargs['pk']
@@ -272,6 +278,19 @@ class CredentialJsonView2(MyWallet, TemplateView):
         return response
 
 
+class PublicCredentialJsonView(View):
+
+    def get(self, request, *args, **kwargs):
+        pk = kwargs['pk']
+        self.object = get_object_or_404(
+            VerificableCredential,
+            hash=pk,
+        )
+        response = HttpResponse(self.object.data, content_type="application/json")
+        response['Content-Disposition'] = 'attachment; filename={}'.format("credential.json")
+        return response
+
+
 class CredentialsRequestView(MyWallet, FormView):
     template_name = "idhub/user/credentials_request.html"
     subtitle = _('Credential request')

idhub_auth/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.2.5 on 2024-01-10 11:52
+# Generated by Django 4.2.5 on 2024-01-11 10:17
 
 from django.db import migrations, models
 

oidc4vp/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.2.5 on 2024-01-10 11:52
+# Generated by Django 4.2.5 on 2024-01-11 10:17
 
 from django.conf import settings
 from django.db import migrations, models

promotion/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.2.5 on 2024-01-10 11:52
+# Generated by Django 4.2.5 on 2024-01-11 10:17
 
 from django.db import migrations, models
 import django.db.models.deletion

trustchain_idhub/settings.py

@@ -222,3 +222,4 @@ LOGGING = {
     }
 }
 
+DEFAULT_PUBLIC_CREDENTIALS = True