/*
* 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.jmx.connector.invoker;
import java.util.HashSet;
import java.util.Set;
import java.util.Iterator;
import java.security.Principal;
import java.security.acl.Group;
import javax.security.auth.Subject;
import org.jboss.security.SimplePrincipal;
/** A default authorization delegate used by the AuthorizationInterceptor. This
* looks for a hard coded JBossAdmin role in the current authenticated Subject.
*
* @author Scott.Stark@jboss.org
* @version $Revision$
*/
public class RolesAuthorization
{
private HashSet requiredRoles = new HashSet();
public RolesAuthorization()
{
requiredRoles.add(new SimplePrincipal("JBossAdmin"));
}
public void setRequiredRoles(HashSet requiredRoles)
{
this.requiredRoles = requiredRoles;
}
public void authorize(Principal caller, Subject subject,
String objectname, String opname)
{
Set groups = subject.getPrincipals(Group.class);
Group roles = null;
Iterator iter = groups.iterator();
while( iter.hasNext() )
{
Group grp = (Group) iter.next();
if( grp.getName().equals("Roles") )
{
roles = grp;
break;
}
}
if( roles == null )
{
throw new SecurityException("Subject has no Roles");
}
iter = requiredRoles.iterator();
boolean hasRole = false;
while( iter.hasNext() && hasRole == false )
{
Principal p = (Principal) iter.next();
hasRole = roles.isMember(p);
}
if( hasRole == false )
{
throw new SecurityException("Authorization failure, requiredRoles="+requiredRoles
+", callerRoles="+roles);
}
}
}