void checkAuth(Mongo mongo) throws IOException {
// get the difference between the set of credentialed databases and the set of authenticated
// databases on this connection
Set<String> unauthenticatedDatabases =
new HashSet<String>(mongo.getAuthority().getCredentialsStore().getDatabases());
unauthenticatedDatabases.removeAll(authenticatedDatabases);
for (String databaseName : unauthenticatedDatabases) {
authenticate(mongo, mongo.getAuthority().getCredentialsStore().get(databaseName));
}
}
