fix: do not hardcode scopes for azure AD v2

Author: JonasKs

django_auth_adfs/__init__.py

@@ -4,4 +4,4 @@
 Adding imports here will break setup.py
 """
 
-__version__ = '1.11.4'
+__version__ = '1.11.5'

django_auth_adfs/config.py

@@ -78,6 +78,7 @@ def __init__(self):
         self.PROXIES = None
 
         self.VERSION = 'v1.0'
+        self.SCOPES = []
 
         required_settings = [
             "AUDIENCE",
@@ -138,6 +139,10 @@ def __init__(self):
         elif "VERSION" in _settings:
             raise ImproperlyConfigured("The VERSION cannot be set when TENANT_ID is not set.")
 
+        if self.VERSION == "v2.0" and not self.SCOPES and self.RELYING_PARTY_ID:
+            warnings.warn('Use `SCOPES` for AzureAD instead of RELYING_PARTY_ID', DeprecationWarning)
+        if not isinstance(self.SCOPES, list):
+            raise ImproperlyConfigured("Scopes must be a list")
         # Overwrite defaults with user settings
         for setting, value in _settings.items():
             if hasattr(self, setting):
@@ -346,7 +351,10 @@ def build_authorization_endpoint(self, request, disable_sso=None, force_mfa=Fals
         })
         if self._mode == "openid_connect":
             if settings.VERSION == 'v2.0':
-                query["scope"] = f"openid api://{settings.RELYING_PARTY_ID}/.default"
+                if settings.SCOPES:
+                    query['scope'] = " ".join(settings.SCOPES)
+                else:
+                    query["scope"] = f"openid api://{settings.RELYING_PARTY_ID}/.default"
                 query.pop("resource")
             else:
                 query["scope"] = "openid"

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = 'django-auth-adfs'
-version = "1.11.4"  # Remember to also change __init__.py version
+version = "1.11.5"  # Remember to also change __init__.py version
 description = 'A Django authentication backend for Microsoft ADFS and AzureAD'
 authors = ['Joris Beckers <joris.beckers@gmail.com>']
 maintainers = ['Jonas Krüger Svensson <jonas-ks@hotmail.com>', 'Sondre Lillebø Gundersen <sondrelg@live.no>']

tests/test_authentication.py

@@ -476,6 +476,33 @@ def test_oauth_redir_azure_version_two(self):
             self.assertEqual(redir.path.rstrip("/"), '/01234567-89ab-cdef-0123-456789abcdef/oauth2/authorize')
             self.assertEqual(qs, sq_expected)
 
+    @mock_adfs("azure")
+    def test_scopes_generated_correctly(self):
+        from django_auth_adfs.config import django_settings
+        settings = deepcopy(django_settings)
+        del settings.AUTH_ADFS["SERVER"]
+        settings.AUTH_ADFS["TENANT_ID"] = "dummy_tenant_id"
+        settings.AUTH_ADFS["VERSION"] = 'v2.0'
+        settings.AUTH_ADFS["SCOPES"] = ['openid api://your-configured-client-id/user_impersonation']
+        with patch("django_auth_adfs.config.django_settings", settings), \
+                patch("django_auth_adfs.config.settings", Settings()), \
+                patch("django_auth_adfs.views.provider_config", ProviderConfig()):
+            response = self.client.get("/oauth2/login?next=/test/")
+            self.assertEqual(response.status_code, 302)
+            redir = urlparse(response["Location"])
+            qs = parse_qs(redir.query)
+            sq_expected = {
+                'scope': ['openid api://your-configured-client-id/user_impersonation'],
+                'client_id': ['your-configured-client-id'],
+                'state': ['L3Rlc3Qv'],
+                'response_type': ['code'],
+                'redirect_uri': ['http://testserver/oauth2/callback']
+            }
+            self.assertEqual(redir.scheme, 'https')
+            self.assertEqual(redir.hostname, 'login.microsoftonline.com')
+            self.assertEqual(redir.path.rstrip("/"), '/01234567-89ab-cdef-0123-456789abcdef/oauth2/authorize')
+            self.assertEqual(qs, sq_expected)
+
     @mock_adfs("2016")
     def test_inactive_user(self):
         user = User.objects.create(**{