handle undefined roles

rdap/schema/normalized.py

@@ -53,6 +53,8 @@ class ROLE(str, enum.Enum):
     policy = "policy"
     technical = "technical"
     registrant = "registrant"
+    billing = "billing"
+    sponsor = "sponsor"
 
 
 NORMALIZED_ROLES = {
@@ -64,6 +66,9 @@ class ROLE(str, enum.Enum):
 }
 
 
+VALID_ROLES = [str(r) for r in ROLE]
+
+
 class DNSSEC(str, enum.Enum):
     secure = "secure"
     insecure = "insecure"
@@ -122,9 +127,11 @@ def normalize_roles(cls, data: Any) -> Any:
         data["roles"] = roles
 
         # drop duplicates
-
         data["roles"] = list(set(data["roles"]))
 
+        # drop any invalid roles
+        data["roles"] = [role for role in data["roles"] if f"ROLE.{role}" in VALID_ROLES]
+
         return data
 
     def __hash__(self):