/*
* 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.web.tomcat.security;
import java.lang.reflect.Constructor;
import java.security.AccessController;
import java.security.Principal;
import java.security.PrivilegedAction;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.util.Set;
import javax.security.auth.Subject;
import org.jboss.security.RunAs;
import org.jboss.security.RunAsIdentity;
import org.jboss.security.SecurityContext;
import org.jboss.security.SecurityContextAssociation;
import org.jboss.security.SecurityContextFactory;
import org.jboss.security.javaee.AbstractWebAuthorizationHelper;
/** A PrivilegedAction implementation for setting the SecurityAssociation
* principal and credential
*
* @author Scott.Stark@jboss.org
* @author Anil.Saldhana@jboss.org
* @version $Revison:$
*/
class SecurityAssociationActions
{
public static final String AUTH_EXCEPTION_KEY = "org.jboss.security.exception";
private static class SetPrincipalInfoAction implements PrivilegedAction
{
Principal principal;
Object credential;
Subject subject;
String securityDomain;
SetPrincipalInfoAction(Principal principal, Object credential, Subject subject)
{
this.principal = principal;
this.credential = credential;
this.subject = subject;
}
public Object run()
{
SecurityContext sc = getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context has not been set");
sc.getUtil().createSubjectInfo(principal, credential, subject);
//SecurityAssociation.pushSubjectContext(subject, principal, credential);
credential = null;
principal = null;
subject = null;
return null;
}
}
private static class ClearAction implements PrivilegedAction
{
static PrivilegedAction ACTION = new ClearAction();
public Object run()
{
//SecurityAssociation.clear();
SecurityContextAssociation.clearSecurityContext();
return null;
}
}
private static class GetSubjectAction implements PrivilegedAction
{
static PrivilegedAction ACTION = new GetSubjectAction();
public Object run()
{
//Subject subject = SecurityAssociation.getSubject();
SecurityContext sc = getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
return sc.getUtil().getSubject();
}
}
private static class GetPrincipalAction implements PrivilegedAction
{
static PrivilegedAction ACTION = new GetPrincipalAction();
public Object run()
{
//Principal principal = SecurityAssociation.getPrincipal();
SecurityContext sc = getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
return sc.getUtil().getUserPrincipal();
}
}
private static class GetCredentialAction implements PrivilegedAction
{
static PrivilegedAction ACTION = new GetCredentialAction();
public Object run()
{
//Object credential = SecurityAssociation.getCredential();
//return credential;
SecurityContext sc = getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
return sc.getUtil().getCredential();
}
}
private static class PushRunAsRoleAction implements PrivilegedAction
{
RunAsIdentity principal;
PushRunAsRoleAction(RunAsIdentity principal)
{
this.principal = principal;
}
public Object run()
{
SecurityContext sc = getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
sc.setOutgoingRunAs(principal);
//SecurityAssociation.pushRunAsIdentity(principal);
return null;
}
}
private static class PopRunAsRoleAction implements PrivilegedAction
{
static PrivilegedAction ACTION = new PopRunAsRoleAction();
public Object run()
{
//RunAsIdentity principal = SecurityAssociation.popRunAsIdentity();
SecurityContext sc = getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
RunAs principal = null;
principal = sc.getOutgoingRunAs();
sc.setOutgoingRunAs(null);
return principal;
}
}
private static class GetAuthExceptionAction implements PrivilegedAction
{
static PrivilegedAction ACTION = new GetAuthExceptionAction();
public Object run()
{
//Object exception = SecurityAssociation.getContextInfo(AUTH_EXCEPTION_KEY);
SecurityContext sc = getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
Object exception = sc.getData().get(AUTH_EXCEPTION_KEY) ;
return exception;
}
}
private static class ClearAuthExceptionAction implements PrivilegedAction
{
static PrivilegedAction ACTION = new ClearAuthExceptionAction();
public Object run()
{
//Object exception = SecurityAssociation.setContextInfo(AUTH_EXCEPTION_KEY, null);
SecurityContext sc = getSecurityContext();
if(sc == null)
throw new IllegalStateException("Security Context is null");
sc.getData().put(AUTH_EXCEPTION_KEY, null);
return null;
//return exception;
}
}
static void clearSecurityContext()
{
//ClearSecurityContextAction action = new ClearSecurityContextAction(securityDomain);
AccessController.doPrivileged(new PrivilegedAction()
{
public Object run()
{
SecurityContextAssociation.clearSecurityContext();
return null;
}
});
}
static SecurityContext getSecurityContext()
{
//GetSecurityContextAction action = new GetSecurityContextAction(securityDomain);
return (SecurityContext)AccessController.doPrivileged(new PrivilegedAction()
{
public Object run()
{
return SecurityContextAssociation.getSecurityContext();
}
});
}
static SecurityContext createSecurityContext(final String securityDomain) throws PrivilegedActionException
{
return (SecurityContext)AccessController.doPrivileged(new PrivilegedExceptionAction()
{
public Object run() throws Exception
{
return SecurityContextFactory.createSecurityContext(securityDomain);
}
});
}
static SecurityContext createSecurityContext(final String securityDomain,
final String fqnClassName) throws PrivilegedActionException
{
return (SecurityContext)AccessController.doPrivileged(new PrivilegedExceptionAction()
{
public Object run() throws Exception
{
return SecurityContextFactory.createSecurityContext(securityDomain, fqnClassName);
}
});
}
static SecurityContext createSecurityContext(final String securityDomain,
final Class<?> clazz) throws PrivilegedActionException
{
return AccessController.doPrivileged(new PrivilegedExceptionAction<SecurityContext>()
{
public SecurityContext run() throws Exception
{
Constructor<?> ctr = clazz.getConstructor(new Class[] {String.class} );
Object obj = ctr.newInstance(new Object[] {securityDomain});
return SecurityContext.class.cast(obj);
}
});
}
static void setSecurityContext(final SecurityContext sc)
{
//SetSecurityContextAction action = new SetSecurityContextAction(sc,securityDomain);
AccessController.doPrivileged(new PrivilegedAction()
{
public Object run()
{
SecurityContextAssociation.setSecurityContext(sc);
return null;
}
});
}
static void setPrincipalInfo(Principal principal, Object credential, Subject subject)
{
SetPrincipalInfoAction action = new SetPrincipalInfoAction(principal, credential, subject);
AccessController.doPrivileged(action);
}
/*static void setServer()
{
AccessController.doPrivileged(SetServerAction.ACTION);
}*/
static void clear()
{
AccessController.doPrivileged(ClearAction.ACTION);
}
static Subject getSubject()
{
Subject subject = (Subject) AccessController.doPrivileged(GetSubjectAction.ACTION);
return subject;
}
static Principal getPrincipal()
{
Principal principal = (Principal) AccessController.doPrivileged(GetPrincipalAction.ACTION);
return principal;
}
static Object getCredential()
{
Object credential = AccessController.doPrivileged(GetCredentialAction.ACTION);
return credential;
}
static void pushRunAsIdentity(RunAsIdentity principal)
{
PushRunAsRoleAction action = new PushRunAsRoleAction(principal);
AccessController.doPrivileged(action);
}
static RunAsIdentity popRunAsIdentity()
{
RunAsIdentity principal = (RunAsIdentity) AccessController.doPrivileged(PopRunAsRoleAction.ACTION);
return principal;
}
static Throwable getAuthException()
{
Throwable ex = (Throwable) AccessController.doPrivileged(GetAuthExceptionAction.ACTION);
return ex;
}
static void clearAuthException()
{
AccessController.doPrivileged(ClearAuthExceptionAction.ACTION);
}
static Class<?> loadClass(final String fqn) throws PrivilegedActionException
{
return AccessController.doPrivileged(new PrivilegedExceptionAction<Class<?>>()
{
public Class<?> run() throws PrivilegedActionException, ClassNotFoundException
{
return Thread.currentThread().getContextClassLoader().loadClass(fqn);
}
});
}
static Subject getSubjectFromRequestPrincipal(final Principal userPrincipal)
{
return AccessController.doPrivileged(new PrivilegedAction<Subject>()
{
public Subject run()
{
if(userPrincipal instanceof JBossGenericPrincipal)
{
return ((JBossGenericPrincipal)userPrincipal).getSubject();
}
return null;
}
});
}
static String getSystemProperty(final String key, final String defaultValue)
{
return AccessController.doPrivileged(new PrivilegedAction<String>()
{
public String run()
{
return System.getProperty(key, defaultValue);
}
});
}
static boolean hasRole(final AbstractWebAuthorizationHelper helper,
final String roleName,
final Principal principal, final String servletName,
final Set<Principal> principalRoles,
final String contextID, final Subject callerSubject)
{
return AccessController.doPrivileged(new PrivilegedAction<Boolean>()
{
public Boolean run()
{
return helper.hasRole(roleName, principal, servletName, principalRoles, contextID,
callerSubject);
}
});
}
}