Package org.apache.qpid.server.security.auth.manager

Source Code of org.apache.qpid.server.security.auth.manager.ExternalAuthenticationManager

/*
* 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.manager;

import java.security.Principal;

import javax.security.sasl.SaslException;
import javax.security.sasl.SaslServer;

import org.apache.qpid.server.security.auth.AuthenticationResult;
import org.apache.qpid.server.security.auth.UsernamePrincipal;
import org.apache.qpid.server.security.auth.sasl.external.ExternalSaslServer;

public class ExternalAuthenticationManager implements AuthenticationManager
{
    private static final String EXTERNAL = "EXTERNAL";

    ExternalAuthenticationManager()
    {
    }

    @Override
    public void initialise()
    {

    }

    @Override
    public String getMechanisms()
    {
        return EXTERNAL;
    }

    @Override
    public SaslServer createSaslServer(String mechanism, String localFQDN, Principal externalPrincipal) throws SaslException
    {
        if(EXTERNAL.equals(mechanism))
        {
            return new ExternalSaslServer(externalPrincipal);
        }
        else
        {
            throw new SaslException("Unknown mechanism: " + mechanism);
        }
    }

    @Override
    public AuthenticationResult authenticate(SaslServer server, byte[] response)
    {
        // Process response from the client
        try
        {
            server.evaluateResponse(response != null ? response : new byte[0]);

            Principal principal = ((ExternalSaslServer)server).getAuthenticatedPrincipal();

            if(principal != null)
            {
                return new AuthenticationResult(principal);
            }
            else
            {
                return new AuthenticationResult(AuthenticationResult.AuthenticationStatus.ERROR);
            }
        }
        catch (SaslException e)
        {
            return new AuthenticationResult(AuthenticationResult.AuthenticationStatus.ERROR,e);
        }

    }

    @Override
    public AuthenticationResult authenticate(String username, String password)
    {
        return new AuthenticationResult(new UsernamePrincipal(username));
    }

    @Override
    public void close()
    {
    }
}
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