rsapi/auth.go
func (a *rl10Authenticator) CanAuthenticate(host string) error {
	client := httpclient.New()
	return testAuth(a, client, host, true)
}
func (a *rl10Authenticator) CanAuthenticate(host string) error {
	client := httpclient.New()
	return testAuth(a, client, host, true)
}
// CanAuthenticate makes a test request to CM 1.5 and returns nil if it is successful.