feat - enforce enforced_params as a premium feature

litellm/proxy/auth/auth_checks.py

@@ -98,6 +98,17 @@ def common_checks(
                 f"'user' param not passed in. 'enforce_user_param'={general_settings['enforce_user_param']}"
             )
     if general_settings.get("enforced_params", None) is not None:
+        # Enterprise ONLY Feature
+        # we already validate if user is premium_user when reading the config
+        # Add an extra premium_usercheck here too, just incase
+        from litellm.proxy.proxy_server import premium_user, CommonProxyErrors
+
+        if premium_user is not True:
+            raise ValueError(
+                "Trying to use `enforced_params`"
+                + CommonProxyErrors.not_premium_user.value
+            )
+
         if route in LiteLLMRoutes.openai_routes.value:
             # loop through each enforced param
             # example enforced_params ['user', 'metadata', 'metadata.generation_name']