Blame |
Last modification |
View Log
| RSS feed
/*
* 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.sshd.server.jaas;
import java.io.IOException;
import javax.security.auth.Subject;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.callback.UnsupportedCallbackException;
import javax.security.auth.login.LoginContext;
import org.apache.sshd.server.PasswordAuthenticator;
import org.apache.sshd.server.session.ServerSession;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* TODO Add javadoc
*
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public class JaasPasswordAuthenticator
implements PasswordAuthenticator
{
private static final Logger LOGGER = LoggerFactory.
getLogger(JaasPasswordAuthenticator.
class);
private String domain
;
public String getDomain
() {
return domain
;
}
public void setDomain
(String domain
) {
this.
domain = domain
;
}
public boolean authenticate
(final String username,
final String password,
final ServerSession session
) {
return authenticate
(username, password
);
}
public boolean authenticate
(final String username,
final String password
) {
try {
Subject subject =
new Subject();
LoginContext loginContext =
new LoginContext(domain, subject,
new CallbackHandler() {
public void handle
(Callback[] callbacks
) throws IOException,
UnsupportedCallbackException {
for (int i =
0; i
< callbacks.
length; i++
) {
if (callbacks
[i
] instanceof NameCallback) {
((NameCallback) callbacks
[i
]).
setName(username
);
} else if (callbacks
[i
] instanceof PasswordCallback) {
((PasswordCallback) callbacks
[i
]).
setPassword(password.
toCharArray());
} else {
throw new UnsupportedCallbackException(callbacks
[i
]);
}
}
}
});
loginContext.
login();
loginContext.
logout();
return true;
} catch (Exception e
) {
LOGGER.
error("Authentication failed with error", e
);
return false;
}
}
}