org.picketbox.util.PicketBoxUtil Maven / Gradle / Ivy
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* as indicated by the @author tags. See the copyright.txt file in the
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*
* 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
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*/
package org.picketbox.util;
import java.security.Principal;
import java.security.acl.Group;
import java.util.Set;
import javax.security.auth.Subject;
import org.jboss.security.SecurityConstants;
import org.jboss.security.identity.RoleGroup;
import org.jboss.security.identity.plugins.SimpleRoleGroup;
/**
* Utility Methods
* @author [email protected]
* @since Feb 5, 2010
*/
public class PicketBoxUtil
{
/**
* Given a JAAS Subject, will look for {@code Group} principals
* with name "Roles" and return that in a {@code RoleGroup}
* @param subject
* @return a RoleGroup containing the roles
*/
public static RoleGroup getRolesFromSubject(Subject subject)
{
Set groupPrincipals = subject.getPrincipals(Group.class);
if(groupPrincipals!= null)
{
for(Group groupPrincipal: groupPrincipals)
{
if(SecurityConstants.ROLES_IDENTIFIER.equals(groupPrincipal.getName()))
return new SimpleRoleGroup(groupPrincipal);
}
}
return null;
}
/**
* Get the first non-group principal
* @param subject
* @return
*/
public static Principal getPrincipalFromSubject(Subject subject)
{
Set principals = subject.getPrincipals();
if(principals != null)
{
for(Principal p: principals)
{
if(p instanceof Group != false)
return p;
}
}
return null;
}
}
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