org.apache.hive.service.auth.CustomAuthenticationProviderImpl Maven / Gradle / Ivy
/**
* 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.hive.service.auth;
import javax.security.sasl.AuthenticationException;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.util.ReflectionUtils;
/**
* This authentication provider implements the {@code CUSTOM} authentication. It allows a {@link
* PasswdAuthenticationProvider} to be specified at configuration time which may additionally
* implement {@link org.apache.hadoop.conf.Configurable Configurable} to grab Hive's {@link
* org.apache.hadoop.conf.Configuration Configuration}.
*/
public class CustomAuthenticationProviderImpl implements PasswdAuthenticationProvider {
private final PasswdAuthenticationProvider customProvider;
@SuppressWarnings("unchecked")
CustomAuthenticationProviderImpl() {
HiveConf conf = new HiveConf();
Class customHandlerClass =
(Class) conf.getClass(
HiveConf.ConfVars.HIVE_SERVER2_CUSTOM_AUTHENTICATION_CLASS.varname,
PasswdAuthenticationProvider.class);
customProvider = ReflectionUtils.newInstance(customHandlerClass, conf);
}
@Override
public void Authenticate(String user, String password) throws AuthenticationException {
customProvider.Authenticate(user, password);
}
}