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/*
* 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.thrift.transport.sasl;
import static org.apache.thrift.transport.sasl.TSaslNegotiationException.ErrorType.AUTHENTICATION_FAILURE;
import javax.security.sasl.Sasl;
import javax.security.sasl.SaslException;
import javax.security.sasl.SaslServer;
import org.apache.thrift.transport.TTransportException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/** Server side sasl peer, a wrapper around SaslServer to provide some handy methods. */
public class ServerSaslPeer implements SaslPeer {
private static final Logger LOGGER = LoggerFactory.getLogger(ServerSaslPeer.class);
private static final String QOP_AUTH_INT = "auth-int";
private static final String QOP_AUTH_CONF = "auth-conf";
private final SaslServer saslServer;
public ServerSaslPeer(SaslServer saslServer) {
this.saslServer = saslServer;
}
@Override
public byte[] evaluate(byte[] negotiationMessage) throws TSaslNegotiationException {
try {
return saslServer.evaluateResponse(negotiationMessage);
} catch (SaslException e) {
throw new TSaslNegotiationException(
AUTHENTICATION_FAILURE, "Authentication failed with " + saslServer.getMechanismName(), e);
}
}
@Override
public boolean isAuthenticated() {
return saslServer.isComplete();
}
@Override
public boolean isDataProtected() {
Object qop = saslServer.getNegotiatedProperty(Sasl.QOP);
if (qop == null) {
return false;
}
for (String word : qop.toString().split("\\s*,\\s*")) {
String lowerCaseWord = word.toLowerCase();
if (QOP_AUTH_INT.equals(lowerCaseWord) || QOP_AUTH_CONF.equals(lowerCaseWord)) {
return true;
}
}
return false;
}
@Override
public byte[] wrap(byte[] data, int offset, int length) throws TTransportException {
try {
return saslServer.wrap(data, offset, length);
} catch (SaslException e) {
throw new TTransportException("Failed to wrap data", e);
}
}
@Override
public byte[] unwrap(byte[] data, int offset, int length) throws TTransportException {
try {
return saslServer.unwrap(data, offset, length);
} catch (SaslException e) {
throw new TTransportException(TTransportException.CORRUPTED_DATA, "Failed to unwrap data", e);
}
}
@Override
public void dispose() {
try {
saslServer.dispose();
} catch (Exception e) {
LOGGER.warn("Failed to close sasl server " + saslServer.getMechanismName(), e);
}
}
SaslServer getSaslServer() {
return saslServer;
}
}
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