func createBasicAuth(realmName string, htpasswdFile gopath.GoPath) *auth.BasicAuth {
var secretProvider = noSecrets
if !htpasswdFile.HasErr() && !htpasswdFile.IsEmpty() {
secretProvider = auth.HtpasswdFileProvider(htpasswdFile.Path())
}
return auth.NewBasicAuthenticator(realmName, secretProvider)
}