/**
* 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 backtype.storm.security.auth.digest;
import java.io.IOException;
import java.util.Map;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.login.Configuration;
import org.apache.thrift7.transport.TSaslClientTransport;
import org.apache.thrift7.transport.TSaslServerTransport;
import org.apache.thrift7.transport.TTransport;
import org.apache.thrift7.transport.TTransportException;
import org.apache.thrift7.transport.TTransportFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import backtype.storm.security.auth.AuthUtils;
import backtype.storm.security.auth.SaslTransportPlugin;
public class DigestSaslTransportPlugin extends SaslTransportPlugin {
public static final String DIGEST = "DIGEST-MD5";
private static final Logger LOG = LoggerFactory.getLogger(DigestSaslTransportPlugin.class);
protected TTransportFactory getServerTransportFactory() throws IOException {
//create an authentication callback handler
CallbackHandler serer_callback_handler = new ServerCallbackHandler(login_conf);
//create a transport factory that will invoke our auth callback for digest
TSaslServerTransport.Factory factory = new TSaslServerTransport.Factory();
factory.addServerDefinition(DIGEST, AuthUtils.SERVICE, "localhost", null, serer_callback_handler);
LOG.info("SASL DIGEST-MD5 transport factory will be used");
return factory;
}
public TTransport connect(TTransport transport, String serverHost) throws TTransportException, IOException {
ClientCallbackHandler client_callback_handler = new ClientCallbackHandler(login_conf);
TSaslClientTransport wrapper_transport = new TSaslClientTransport(DIGEST,
null,
AuthUtils.SERVICE,
serverHost,
null,
client_callback_handler,
transport);
wrapper_transport.open();
LOG.debug("SASL DIGEST-MD5 client transport has been established");
return wrapper_transport;
}
}