org.jboss.security.auth.callback.UsernamePasswordHandler Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.security.auth.callback;
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 org.jboss.security.PicketBoxMessages;
/** A simple implementation of CallbackHandler that sets a username and
password in the handle(Callback[]) method to that passed in to
the constructor. This is suitable for environments that need non-interactive
JAAS logins.
@see javax.security.auth.callback.CallbackHandler
@see #handle(Callback[])
@author [email protected]
@version $Revision$
*/
public class UsernamePasswordHandler implements CallbackHandler
{
private transient String username;
private transient char[] password;
private transient Object credential;
/** Initialize the UsernamePasswordHandler with the usernmae
and password to use.
*/
public UsernamePasswordHandler(String username, char[] password)
{
this.username = username;
this.password = password;
this.credential = password;
}
public UsernamePasswordHandler(String username, Object credential)
{
this.username = username;
this.credential = credential;
}
/** Sets any NameCallback name property to the instance username,
sets any PasswordCallback password property to the instance, and any
password.
@exception UnsupportedCallbackException, thrown if any callback of
type other than NameCallback or PasswordCallback are seen.
*/
public void handle(Callback[] callbacks) throws
UnsupportedCallbackException
{
for (int i = 0; i < callbacks.length; i++)
{
Callback c = callbacks[i];
if (c instanceof NameCallback)
{
NameCallback nc = (NameCallback) c;
nc.setName(username);
}
else if (c instanceof PasswordCallback)
{
PasswordCallback pc = (PasswordCallback) c;
if( password == null )
{
// We were given an opaque Object credential but a char[] is requested?
if( credential != null )
{
String tmp = credential.toString();
password = tmp.toCharArray();
}
}
pc.setPassword(password);
}
else if (c instanceof ObjectCallback)
{
ObjectCallback oc = (ObjectCallback) c;
oc.setCredential(credential);
}
else
{
throw PicketBoxMessages.MESSAGES.unableToHandleCallback(c, this.getClass().getName(), c.getClass().getCanonicalName());
}
}
}
}