/**
* 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.hcatalog.cli.SemanticAnalysis;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.ql.security.authorization.DefaultHiveAuthorizationProvider;
import org.apache.hadoop.hive.ql.session.SessionState;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
final class HCatAuthUtil {
private static final Logger LOG = LoggerFactory.getLogger(HCatAuthUtil.class);
public static boolean isAuthorizationEnabled(Configuration conf) {
if (!HiveConf.getBoolVar(conf, HiveConf.ConfVars.HIVE_AUTHORIZATION_ENABLED)) {
return false;
}
// If the V2 api of authorizer in use, the session state getAuthorizer return null.
// Here we disable authorization if we use V2 api or the DefaultHiveAuthorizationProvider
// The additional authorization checks happening in hcatalog are designed to
// work with storage based authorization (on client side). It should not try doing
// additional checks if a V2 authorizer or DefaultHiveAuthorizationProvider is in use.
// The recommended configuration is to use storage based authorization in metastore server.
// However, if user define a custom V1 authorization, it will be honored.
if (SessionState.get().getAuthorizer() == null ||
HiveConf.getVar(conf, HiveConf.ConfVars.HIVE_AUTHORIZATION_MANAGER)
== DefaultHiveAuthorizationProvider.class.getName()) {
LOG.info("Metastore authorizer is skipped for V2 authorizer or"
+ " DefaultHiveAuthorizationProvider");
return false;
}
return true;
}
}