org.apache.hadoop.hive.ql.security.SessionStateConfigUserAuthenticator Maven / Gradle / Ivy
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* 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.hadoop.hive.ql.security;
import java.util.ArrayList;
import java.util.List;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hive.ql.metadata.HiveException;
import org.apache.hadoop.hive.ql.session.SessionState;
/**
* Authenticator to be used for testing and debugging. This picks the user.name
* set in SessionState config, if that is null, it returns value of
* System property user.name
*/
public class SessionStateConfigUserAuthenticator implements HiveAuthenticationProvider {
private final List groupNames = new ArrayList();
protected Configuration conf;
private SessionState sessionState;
@Override
public List getGroupNames() {
return groupNames;
}
@Override
public String getUserName() {
String newUserName = sessionState.getConf().get("user.name", "").trim();
if (newUserName.isEmpty()) {
return System.getProperty("user.name");
} else {
return newUserName;
}
}
@Override
public void destroy() throws HiveException {
return;
}
@Override
public Configuration getConf() {
return null;
}
@Override
public void setConf(Configuration arg0) {
}
@Override
public void setSessionState(SessionState sessionState) {
this.sessionState = sessionState;
}
}