authentication/api/AuthenticationServer/service/src/main/java/org/apache/servicecomb/authentication/api/AuthenticationService.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.servicecomb.authentication.api;

public interface AuthenticationService {
  /**
   * login using user name and password.
   * @param userName user name
   * @param password password
   * @return After successfully login, token is created. Or null is returned. 
   */
  Token login(String userName, String password);

  /**
   * acquired new token using refresh token.
   * @param refreshToken refresh token
   * @return After successfully authenticated, token is created. Or null is returned. 
   */
  Token refresh(String refreshToken);
}