 [semidet,multifile]not_sandboxed(+User, 
+Application)This hook is called to see whether the Pengine must be executed in a 
protected environment. It is only called after authentication_hook/3 
has confirmed the authentity of the current user. If this hook succeeds, 
both loading the code and executing the query is executed without 
enforcing sandbox security. Typically, one should:
[semidet,multifile]not_sandboxed(+User, 
+Application)This hook is called to see whether the Pengine must be executed in a 
protected environment. It is only called after authentication_hook/3 
has confirmed the authentity of the current user. If this hook succeeds, 
both loading the code and executing the query is executed without 
enforcing sandbox security. Typically, one should:
- Provide a safe user authentication hook.
- Enable HTTPS in the server or put it behind an HTTPS proxy and 
ensure that the network between the proxy and the pengine server can be 
trusted.