spark AuthServerBootstrap 源码
spark AuthServerBootstrap 代码
文件路径：/common/network-common/src/main/java/org/apache/spark/network/crypto/AuthServerBootstrap.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.spark.network.crypto;
import io.netty.channel.Channel;
import org.apache.spark.network.sasl.SaslServerBootstrap;
import org.apache.spark.network.sasl.SecretKeyHolder;
import org.apache.spark.network.server.RpcHandler;
import org.apache.spark.network.server.TransportServerBootstrap;
import org.apache.spark.network.util.TransportConf;
/**
* A bootstrap which is executed on a TransportServer's client channel once a client connects
* to the server, enabling authentication using Spark's auth protocol (and optionally SASL for
* clients that don't support the new protocol).
*
* It also automatically falls back to SASL if the new encryption backend is disabled, so that
* callers only need to install this bootstrap when authentication is enabled.
*/
public class AuthServerBootstrap implements TransportServerBootstrap {
private final TransportConf conf;
private final SecretKeyHolder secretKeyHolder;
public AuthServerBootstrap(TransportConf conf, SecretKeyHolder secretKeyHolder) {
this.conf = conf;
this.secretKeyHolder = secretKeyHolder;
}
@Override
public RpcHandler doBootstrap(Channel channel, RpcHandler rpcHandler) {
if (!conf.encryptionEnabled()) {
TransportServerBootstrap sasl = new SaslServerBootstrap(conf, secretKeyHolder);
return sasl.doBootstrap(channel, rpcHandler);
}
return new AuthRpcHandler(conf, channel, rpcHandler, secretKeyHolder);
}
}
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