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/*
 * Copyright The Stargate Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.stargate.db;

import java.net.InetAddress;
import javax.security.cert.X509Certificate;
import org.apache.cassandra.stargate.exceptions.AuthenticationException;

public interface Authenticator {
  String getInternalClassName();

  boolean requireAuthentication();

  SaslNegotiator newSaslNegotiator(InetAddress clientAddress, X509Certificate[] certificates);

  interface SaslNegotiator {
    byte[] evaluateResponse(byte[] clientResponse) throws AuthenticationException;

    boolean isComplete();

    AuthenticatedUser getAuthenticatedUser() throws AuthenticationException;
  }
}