Function Web.ensureUserAuthed

Ensures current user is auth'd, redirects to GET "/login" on failure

string ensureUserAuthed (
  scope vibe.http.server.HTTPServerRequest req,
  scope vibe.http.server.HTTPServerResponse res
);

Checks the session to see if user is logged in. If user not logged in redirects to GET "/login". Else returns user name

Returns

The logged in user's name