Resolve "OpenID Connect: Describe scopes in grant view"

Closes #465 (closed)

aleksis/core/util/auth_helpers.py

@@ -42,6 +42,12 @@ class CustomOAuth2Validator(OAuth2Validator):
             "preferred_username": request.user.username,
         }
 
+        scopes = {
+            "profile": _("Given name, family name, url to profile and picture if existing."),
+            "email": _("Email address"),
+            "address": _("Postal address"),
+        }
+
         if "profile" in request.scopes:
             if has_person(request.user):
                 claims["given_name"] = request.user.person.first_name