/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, 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.test.security.test.auth;
import java.util.Map;
import java.util.HashMap;
import java.util.StringTokenizer;
import java.util.Set;
import java.util.Iterator;
import java.util.Enumeration;
import java.util.HashSet;
import java.security.acl.Group;
import java.security.Principal;
import javax.security.auth.spi.LoginModule;
import javax.security.auth.Subject;
import javax.security.auth.login.LoginException;
import javax.security.auth.callback.CallbackHandler;
import org.jboss.security.SimplePrincipal;
/**
A role mapping login module.
@author Scott.Stark@jboss.org
@version $Revision: 81036 $
*/
public class RoleMappingLoginModule implements LoginModule
{
/** The sec domain to app domaon role mappings */
private HashMap roleMappings = new HashMap();
/** The mapped roles added to the subject */
HashSet addedRoles = new HashSet();
private Subject theSubject;
public void initialize(Subject subject, CallbackHandler callbackHandler,
Map sharedState, Map options)
{
this.theSubject = subject;
int count = 1;
String key = "role.";
String mapping = (String) options.get(key+count);
while( mapping != null )
{
StringTokenizer tokenizer = new StringTokenizer(mapping, "=,");
String appRole = tokenizer.nextToken();
while( tokenizer.hasMoreTokens() )
{
String secDomainRole = tokenizer.nextToken();
roleMappings.put(secDomainRole, appRole);
}
count ++;
mapping = (String) options.get(key+count);
}
}
/**
there is nothing to do here
@return true
*/
public boolean login()
{
return true;
}
/**
Add the mapped roles
@return true
@throws LoginException
*/
public boolean commit() throws LoginException
{
Set groups = theSubject.getPrincipals(Group.class);
Iterator iter = groups.iterator();
Group roles = null;
while( iter.hasNext() )
{
Group g = (Group) iter.next();
if( g.getName().equals("Roles") )
{
roles = g;
break;
}
}
// Map the group roles
if( roles != null )
{
Enumeration members = roles.members();
while( members.hasMoreElements() )
{
Principal role = (Principal) members.nextElement();
String name = role.getName();
String mappedName = (String) roleMappings.get(name);
if( mappedName != null )
{
SimplePrincipal p = new SimplePrincipal(mappedName);
addedRoles.add(p);
}
}
Iterator riter = addedRoles.iterator();
while( riter.hasNext() )
{
Principal p = (Principal) riter.next();
roles.addMember(p);
}
}
return true;
}
public boolean abort() throws LoginException
{
return true;
}
/**
Remove the added roles
@return true
*/
public boolean logout()
{
if( theSubject.isReadOnly() == false )
{
Set groups = theSubject.getPrincipals(Group.class);
Iterator iter = groups.iterator();
Group roles = null;
while( iter.hasNext() )
{
Group g = (Group) iter.next();
if( g.getName().equals("Roles") )
{
roles = g;
break;
}
}
// Remove the added roles
Iterator riter = addedRoles.iterator();
while( riter.hasNext() )
{
Principal p = (Principal) riter.next();
roles.removeMember(p);
}
}
return true;
}
}