/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.as.test.integration.ejb.container.interceptor.security;
import java.security.Principal;
import java.security.acl.Group;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.login.LoginException;
import org.jboss.security.SimpleGroup;
import org.jboss.security.SimplePrincipal;
import org.jboss.security.auth.callback.ObjectCallback;
import org.jboss.security.auth.spi.AbstractServerLoginModule;
/**
* Login module which allows the "guest" user to switch to another identity.
*
* @author Josef Cacek
*/
public class GuestDelegationLoginModule extends AbstractServerLoginModule {
private Principal identity;
// Public methods --------------------------------------------------------
@SuppressWarnings("unchecked")
@Override
public boolean login() throws LoginException {
if (super.login() == true) {
log.debug("super.login()==true");
return true;
}
// Time to see if this is a delegation request.
NameCallback ncb = new NameCallback("Username:");
ObjectCallback ocb = new ObjectCallback("Password:");
try {
callbackHandler.handle(new Callback[] { ncb, ocb });
} catch (Exception e) {
if (e instanceof RuntimeException) {
throw (RuntimeException) e;
}
return false; // If the CallbackHandler can not handle the required callbacks then no chance.
}
String name = ncb.getName();
Object credential = ocb.getCredential();
if (credential instanceof CurrentUserCredential) {
// This credential type will only be seen for a delegation request, if not seen then the request is not for us.
final CurrentUserCredential cuCredential = (CurrentUserCredential) credential;
// only the "guest" can be switched to another identity
if ("guest".equals(cuCredential.getUser())) {
identity = new SimplePrincipal(name);
if (getUseFirstPass()) {
String userName = identity.getName();
if (log.isDebugEnabled())
log.debug("Storing username '" + userName + "' and empty password");
// Add the username and an empty password to the shared state map
sharedState.put("javax.security.auth.login.name", identity);
sharedState.put("javax.security.auth.login.password", "");
}
loginOk = true;
return true;
}
}
return false; // Attempted login but not successful.
}
// Protected methods -----------------------------------------------------
@Override
protected Principal getIdentity() {
return identity;
}
@Override
protected Group[] getRoleSets() throws LoginException {
Group roles = new SimpleGroup("Roles");
Group callerPrincipal = new SimpleGroup("CallerPrincipal");
Group[] groups = { roles, callerPrincipal };
callerPrincipal.addMember(getIdentity());
return groups;
}
}