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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.qpid.server.security.auth.rmi;
import java.util.Collections;
import javax.management.remote.JMXAuthenticator;
import javax.management.remote.JMXPrincipal;
import javax.security.auth.Subject;
import javax.security.auth.login.AccountNotFoundException;
import org.apache.qpid.server.security.auth.database.PrincipalDatabase;
public class RMIPasswordAuthenticator implements JMXAuthenticator
{
static final String UNABLE_TO_LOOKUP = "The broker was unable to lookup the user details";
static final String SHOULD_BE_STRING_ARRAY = "User details should be String[]";
static final String SHOULD_HAVE_2_ELEMENTS = "User details should have 2 elements, username, password";
static final String SHOULD_BE_NON_NULL = "Supplied username and password should be non-null";
static final String INVALID_CREDENTIALS = "Invalid user details supplied";
static final String CREDENTIALS_REQUIRED = "User details are required. " +
"Please ensure you are using an up to date management console to connect.";
private PrincipalDatabase _db = null;
public RMIPasswordAuthenticator()
{
}
public void setPrincipalDatabase(PrincipalDatabase pd)
{
this._db = pd;
}
public Subject authenticate(Object credentials) throws SecurityException
{
// Verify that credential's are of type String[].
if (!(credentials instanceof String[]))
{
if (credentials == null)
{
throw new SecurityException(CREDENTIALS_REQUIRED);
}
else
{
throw new SecurityException(SHOULD_BE_STRING_ARRAY);
}
}
// Verify that required number of credential's.
final String[] userCredentials = (String[]) credentials;
if (userCredentials.length != 2)
{
throw new SecurityException(SHOULD_HAVE_2_ELEMENTS);
}
String username = (String) userCredentials[0];
String password = (String) userCredentials[1];
// Verify that all required credential's are actually present.
if (username == null || password == null)
{
throw new SecurityException(SHOULD_BE_NON_NULL);
}
// Verify that a PD has been set.
if (_db == null)
{
throw new SecurityException(UNABLE_TO_LOOKUP);
}
boolean authenticated = false;
// Perform authentication
try
{
if (_db.verifyPassword(username, password.toCharArray()))
{
authenticated = true;
}
}
catch (AccountNotFoundException e)
{
throw new SecurityException(INVALID_CREDENTIALS); // XXX
}
if (authenticated)
{
//credential's check out, return the appropriate JAAS Subject
return new Subject(true,
Collections.singleton(new JMXPrincipal(username)),
Collections.EMPTY_SET,
Collections.EMPTY_SET);
}
else
{
throw new SecurityException(INVALID_CREDENTIALS);
}
}
}
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