/*-------------------------------------------------------------------------
*
* Copyright (c) 2008, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgjdbc/org/postgresql/gss/GSSCallbackHandler.java,v 1.2 2008/11/29 07:43:47 jurka Exp $
*
*-------------------------------------------------------------------------
*/
/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.gss;
import java.io.IOException;
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.TextOutputCallback;
import javax.security.auth.callback.UnsupportedCallbackException;
import org.teiid.runtime.client.Messages;
public class GSSCallbackHandler implements CallbackHandler {
private final String user;
private final String password;
public GSSCallbackHandler(String user, String password)
{
this.user = user;
this.password = password;
}
public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException
{
for (int i=0; i<callbacks.length; i++) {
if (callbacks[i] instanceof TextOutputCallback) {
TextOutputCallback toc = (TextOutputCallback)callbacks[i];
switch (toc.getMessageType()) {
case TextOutputCallback.INFORMATION:
System.out.println("INFO: " + toc.getMessage());//$NON-NLS-1$
break;
case TextOutputCallback.ERROR:
System.out.println("ERROR: " + toc.getMessage()); //$NON-NLS-1$
break;
case TextOutputCallback.WARNING:
System.out.println("WARNING: " + toc.getMessage());//$NON-NLS-1$
break;
default:
throw new IOException("Unsupported message type: " + toc.getMessageType()); //$NON-NLS-1$
}
} else if (callbacks[i] instanceof NameCallback) {
NameCallback nc = (NameCallback)callbacks[i];
nc.setName(user);
} else if (callbacks[i] instanceof PasswordCallback) {
PasswordCallback pc = (PasswordCallback)callbacks[i];
if (password == null) {
throw new IOException(Messages.getString(Messages.GSS.no_krb_ticket));
}
pc.setPassword(password.toCharArray());
} else {
throw new UnsupportedCallbackException(callbacks[i], "Unrecognized Callback"); //$NON-NLS-1$
}
}
}
}