/*
* Copyright 2015 floragunn UG (haftungsbeschränkt)
*
* 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 com.floragunn.searchguard.auth;
import org.elasticsearch.ElasticsearchSecurityException;
import com.floragunn.searchguard.user.AuthCredentials;
import com.floragunn.searchguard.user.User;
public interface AuthenticationBackend {
String getType();
/**
*
* @param credentials
* , must not be null
* @return the authenticated User, never null
* @throws ElasticsearchSecurityException
*/
User authenticate(AuthCredentials credentials) throws ElasticsearchSecurityException;
boolean exists(User user);
}