linting

src/django_security_keys/backends.py

@@ -44,9 +44,7 @@ def authenticate(
         if not username or not credential:
             return
 
-        has_credentials = SecurityKey.credentials(
-            username, for_login=True
-        )
+        has_credentials = SecurityKey.credentials(username, for_login=True)
 
         # no credential supplied
 

src/django_security_keys/ext/two_factor/views.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import json
 import time
 from typing import Any
 
@@ -10,12 +11,13 @@
 from django.http.response import HttpResponse, HttpResponseRedirect
 from django.template.response import TemplateResponse
 from django.views.generic import FormView
+from webauthn.helpers import base64url_to_bytes
 
 from django_security_keys.ext.two_factor import forms
 from django_security_keys.ext.two_factor.forms import SecurityKeyDeviceValidation
 from django_security_keys.models import SecurityKey, SecurityKeyDevice, UserHandle
-import json
-from webauthn.helpers import base64url_to_bytes
+
+
 class DisableView(two_factor.views.DisableView):
     def dispatch(self, *args: Any, **kwargs: Any) -> HttpResponse:
         self.success_url = "/"
@@ -37,10 +39,7 @@ def has_security_key_step(self) -> bool:
         if token_step_data:
             return False
 
-        return (
-            len(SecurityKey.credentials(self.get_user().username))
-            > 0
-        )
+        return len(SecurityKey.credentials(self.get_user().username)) > 0
 
     condition_dict = {
         "backup": two_factor.views.LoginView.has_backup_step,
@@ -74,10 +73,12 @@ def attempt_passkey_auth(
             try:
                 credential = request.POST.get("credential")
                 try:
-                    user_handle = base64url_to_bytes(json.loads(credential)['response']['userHandle']).decode('utf-8')
+                    user_handle = base64url_to_bytes(
+                        json.loads(credential)["response"]["userHandle"]
+                    ).decode("utf-8")
                     username = UserHandle.objects.get(handle=user_handle).user.username
-                except:
-                    raise Exception("Failed login using passkey")
+                except Exception as exc:
+                    raise Exception(f"Failed login using passkey: {exc}")
                 # support passkey login using webauthn
                 if username and credential:
                     user = authenticate(

src/django_security_keys/migrations/0004_remove_securitykey_passwordless_login_and_more.py

@@ -1,15 +1,17 @@
 from django.db import migrations, models
 
+
 def migrate_passwordless_login_to_passkey_login(apps, schema_editor):
     model = apps.get_model("django_security_keys", "SecurityKey")
     try:
         model._meta.get_field("updated").auto_now = False
         for key in model.objects.all():
             key.passkey_login = key.passwordless_login
-            key.save(update_fields=['passkey_login'])
+            key.save(update_fields=["passkey_login"])
     finally:
         model._meta.get_field("updated").auto_now = False
 
+
 class Migration(migrations.Migration):
 
     dependencies = [

src/django_security_keys/models.py

@@ -197,14 +197,16 @@ def generate_registration(cls, user: User, session: SessionStore) -> str:
 
         - `str` JSON string
         """
-        existing_credentials = SecurityKey.credentials(user.username,ignore_credential_filter=True)
+        existing_credentials = SecurityKey.credentials(
+            user.username, ignore_credential_filter=True
+        )
         opts = webauthn.generate_registration_options(
             rp_id=settings.WEBAUTHN_RP_ID,
             rp_name=settings.WEBAUTHN_RP_NAME,
             user_id=UserHandle.require_for_user(user).handle,
             user_name=user.username,
             attestation=getattr(settings, "WEBAUTHN_ATTESTATION", "none"),
-            exclude_credentials=existing_credentials
+            exclude_credentials=existing_credentials,
         )
 
         cls.set_challenge(session, opts.challenge)
@@ -282,10 +284,12 @@ def verify_registration(
         SecurityKeyDevice.require_for_user(user)
         return key
 
-
     @classmethod
     def credentials(
-        cls, username: User | str, for_login: bool = False, ignore_credential_filter = False
+        cls,
+        username: User | str,
+        for_login: bool = False,
+        ignore_credential_filter=False,
     ) -> list[PublicKeyCredentialDescriptor]:
         """
         Returns a list of credentials for the specified username
@@ -305,8 +309,8 @@ def credentials(
         """
 
         qset = cls.objects.filter(user__username=username)
-        # ignore credential_filter to get all credentials data  
-        # example: used for excludeCredentials to prevent duplication of keys in 1 account in the same key      
+        # ignore credential_filter to get all credentials data
+        # example: used for excludeCredentials to prevent duplication of keys in 1 account in the same key
         if not ignore_credential_filter:
             # if to be used for passkey login, exclude
             # credentials that are not enabled for that.
@@ -338,12 +342,12 @@ def generate_authentication(
         - `str` JSON
         """
         options = {
-            "rp_id":settings.WEBAUTHN_RP_ID,
+            "rp_id": settings.WEBAUTHN_RP_ID,
         }
         if not for_login:
-            options.update({
-                "allow_credentials":cls.credentials(username, for_login=for_login)
-            })
+            options.update(
+                {"allow_credentials": cls.credentials(username, for_login=for_login)}
+            )
         opts = webauthn.generate_authentication_options(**options)
         cls.set_challenge(session, opts.challenge)
         return webauthn.options_to_json(opts)

src/django_security_keys/views.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import json
+import traceback
 from typing import Any
 
 from django.conf import settings
@@ -14,11 +15,12 @@
 from django.urls import reverse
 from django.utils.http import url_has_allowed_host_and_scheme
 from django.utils.translation import gettext_lazy as _
+from webauthn.helpers import base64url_to_bytes
 
 from django_security_keys.forms import LoginForm, RegisterKeyForm
 from django_security_keys.models import SecurityKey, UserHandle
 from django_security_keys.utils import convert_to_bool
-from webauthn.helpers import base64url_to_bytes
+
 
 def basic_logout(request: WSGIRequest) -> HttpResponseRedirect:
     """
@@ -51,13 +53,14 @@ def basic_login(request: WSGIRequest) -> HttpResponse | HttpResponseRedirect:
             if credential and not (username or password):
                 # credential is set and not set username, password, check username in credential.response.userHandle
                 try:
-                    user_handle = base64url_to_bytes(json.loads(credential)['response']['userHandle']).decode('utf-8')
+                    user_handle = base64url_to_bytes(
+                        json.loads(credential)["response"]["userHandle"]
+                    ).decode("utf-8")
                     username = UserHandle.objects.get(handle=user_handle).user.username
                     user = authenticate(
                         request, username=username, u2f_credential=credential
                     )
-                except:
-                    import traceback
+                except Exception:
                     print(traceback.format_exc())
                     form.add_error("__all__", "Failed login using passkey")
             else:
@@ -121,9 +124,9 @@ def request_authentication(request: WSGIRequest, **kwargs: Any) -> JsonResponse:
     """
 
     username = request.POST.get("username")
-    for_login = convert_to_bool(request.POST.get("for_login",False))
+    for_login = convert_to_bool(request.POST.get("for_login", False))
     if not for_login and not username:
-            return JsonResponse({"non_field_errors": _("No username supplied")}, status=403)
+        return JsonResponse({"non_field_errors": _("No username supplied")}, status=403)
     return JsonResponse(
         json.loads(
             SecurityKey.generate_authentication(

tests/fixtures.py

@@ -52,6 +52,7 @@ def invalid_test_credential():
 def test_auth_credential():
     return _test_auth_credential()
 
+
 @pytest.fixture
 def test_auth_credential_passkey():
     return _test_auth_credential_passkey()
@@ -79,7 +80,7 @@ def security_key_passkey():
 
 
 def _test_credential():
-    from django_security_keys.models import SecurityKey, UserHandle
+    from django_security_keys.models import SecurityKey
 
     user = get_user_model().objects.create_user("bob", password="user")
     session = SessionStore()
@@ -169,10 +170,9 @@ def _test_auth_credential_passkey():
         ),
     )
     UserHandle.objects.create(
-        user=user,
-        handle="xyW3XGlevvnRg2XgN7CeBuLKr_YJwmS2i_GM9eLt330"
+        user=user, handle="xyW3XGlevvnRg2XgN7CeBuLKr_YJwmS2i_GM9eLt330"
     )
-    
+
     cred = json.dumps(
         {
             "id": "ZoIKP1JQvKdrYj1bTUPJ2eTUsbLeFkv-X5xJQNr4k6s",

tests/test_views.py

@@ -58,9 +58,7 @@ def test_passkey_login_failure_invalid_signature(invalid_auth_credential):
     SecurityKey.set_challenge(client_session, SecurityKey.get_challenge(session))
     client_session.save()
 
-    response = c.post(
-        reverse("login"), {"credential": cred}
-    )
+    response = c.post(reverse("login"), {"credential": cred})
 
     response = c.get(reverse("security-keys:manage-keys"))
     assert "Your keys" not in response.content.decode("utf-8")