hadoop OAuth2ConnectionConfigurator 源码
haddop OAuth2ConnectionConfigurator 代码
文件路径：/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/oauth2/OAuth2ConnectionConfigurator.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.hdfs.web.oauth2;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.security.authentication.client.ConnectionConfigurator;
import org.apache.hadoop.util.ReflectionUtils;
import java.io.IOException;
import java.net.HttpURLConnection;
import static org.apache.hadoop.hdfs.client.HdfsClientConfigKeys.ACCESS_TOKEN_PROVIDER_KEY;
import static org.apache.hadoop.hdfs.web.oauth2.Utils.notNull;
/**
* Configure a connection to use OAuth2 authentication.
*/
@InterfaceAudience.Public
@InterfaceStability.Evolving
public class OAuth2ConnectionConfigurator implements ConnectionConfigurator {
public static final String HEADER = "Bearer ";
private final AccessTokenProvider accessTokenProvider;
private ConnectionConfigurator sslConfigurator = null;
public OAuth2ConnectionConfigurator(Configuration conf) {
this(conf, null);
}
@SuppressWarnings("unchecked")
public OAuth2ConnectionConfigurator(Configuration conf,
ConnectionConfigurator sslConfigurator) {
this.sslConfigurator = sslConfigurator;
notNull(conf, ACCESS_TOKEN_PROVIDER_KEY);
Class accessTokenProviderClass = conf.getClass(ACCESS_TOKEN_PROVIDER_KEY,
ConfCredentialBasedAccessTokenProvider.class,
AccessTokenProvider.class);
accessTokenProvider = (AccessTokenProvider) ReflectionUtils
.newInstance(accessTokenProviderClass, conf);
accessTokenProvider.setConf(conf);
}
@Override
public HttpURLConnection configure(HttpURLConnection conn)
throws IOException {
if(sslConfigurator != null) {
sslConfigurator.configure(conn);
}
String accessToken = accessTokenProvider.getAccessToken();
conn.setRequestProperty("AUTHORIZATION", HEADER + accessToken);
return conn;
}
}
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