hadoop ProxyUserAuthenticationFilterInitializer 源码
haddop ProxyUserAuthenticationFilterInitializer 代码
文件路径：/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/authentication/server/ProxyUserAuthenticationFilterInitializer.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.hadoop.security.authentication.server;
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.authorize.ProxyUsers;
/**
* Filter initializer to initialize
* {@link ProxyUserAuthenticationFilter} which adds support
* to perform operations using end user instead of proxy user.
*/
public class ProxyUserAuthenticationFilterInitializer
extends FilterInitializer {
private String configPrefix;
public ProxyUserAuthenticationFilterInitializer() {
this.configPrefix = "hadoop.http.authentication.";
}
protected Map<String, String> createFilterConfig(Configuration conf) {
Map<String, String> filterConfig = AuthenticationFilterInitializer
.getFilterConfigMap(conf, configPrefix);
//Add proxy user configs
for (Map.Entry<String, String> entry : conf.getPropsWithPrefix(
ProxyUsers.CONF_HADOOP_PROXYUSER).entrySet()) {
filterConfig.put("proxyuser" + entry.getKey(), entry.getValue());
}
return filterConfig;
}
@Override
public void initFilter(FilterContainer container, Configuration conf) {
Map<String, String> filterConfig = createFilterConfig(conf);
container.addFilter("ProxyUserAuthenticationFilter",
ProxyUserAuthenticationFilter.class.getName(), filterConfig);
}
}
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