org.apache.hadoop.hdfs.web.AuthFilterInitializer 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.hadoop.hdfs.web;
import java.util.Map;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.http.FilterContainer;
import org.apache.hadoop.http.FilterInitializer;
import org.apache.hadoop.security.AuthenticationFilterInitializer;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.authorize.ProxyUsers;
import org.apache.hadoop.security.authentication.server.KerberosAuthenticationHandler;
import org.apache.hadoop.security.authentication.server.PseudoAuthenticationHandler;
/**
* Filter initializer to initialize {@link AuthFilter}.
*/
public class AuthFilterInitializer extends FilterInitializer {
private String configPrefix;
public AuthFilterInitializer() {
this.configPrefix = "hadoop.http.authentication.";
}
protected Map createFilterConfig(Configuration conf) {
Map filterConfig = AuthenticationFilterInitializer
.getFilterConfigMap(conf, configPrefix);
for (Map.Entry entry : conf.getPropsWithPrefix(
ProxyUsers.CONF_HADOOP_PROXYUSER).entrySet()) {
filterConfig.put("proxyuser" + entry.getKey(), entry.getValue());
}
if (filterConfig.get("type") == null) {
filterConfig.put("type", UserGroupInformation.isSecurityEnabled() ?
KerberosAuthenticationHandler.TYPE :
PseudoAuthenticationHandler.TYPE);
}
//set cookie path
filterConfig.put("cookie.path", "/");
return filterConfig;
}
@Override
public void initFilter(FilterContainer container, Configuration conf) {
Map filterConfig = createFilterConfig(conf);
container.addFilter("AuthFilter", AuthFilter.class.getName(),
filterConfig);
}
}