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/*
* 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.naming;
import java.security.Principal;
import java.util.Hashtable;
import javax.naming.AuthenticationException;
import javax.naming.Context;
import javax.naming.Name;
import javax.naming.NamingException;
import javax.naming.Reference;
import javax.naming.spi.InitialContextFactory;
import javax.naming.spi.ObjectFactory;
import javax.security.auth.login.LoginContext;
import javax.security.auth.login.LoginException;
import org.jboss.aop.advice.Interceptor;
import org.jboss.aspects.remoting.InvokeRemoteInterceptor;
import org.jboss.aspects.remoting.IsLocalInterceptor;
import org.jboss.aspects.remoting.Remoting;
import org.jboss.aspects.security.SecurityClientInterceptor;
import org.jboss.security.SimplePrincipal;
import org.jboss.security.auth.callback.UsernamePasswordHandler;
import org.jnp.interfaces.Naming;
import org.jnp.interfaces.NamingContext;
/**
* Creating a JNDI connection using JBoss Remoting.
*
* If Context.SECURITY_PRINCIPAL and Context.SECURITY_CREDENTIALS are set,
* this InitialContextFactory implementation combines the
* authentication phase with the InitialContext creation. During the
* getInitialContext callback from the JNDI naming, layer security context
* identity is populated with the username obtained from the
* Context.SECURITY_PRINCIPAL env property and the credentials from the
* Context.SECURITY_CREDENTIALS env property. There is no actual authentication
* of this information. It is merely made available to the jboss transport
* layer for incorporation into subsequent invocations. Authentication and
* authorization will occur on the server.
*
* If Context.SECURITY_PROTOCOL is provided as well as the principal and credentials,
* then a JAAS login will be performed instead using the security domain provided with the
* SECURITY_PROTOCOL variable.
*
*
* @author Bill Burke
* @author Scott Stark
* @author [email protected]
* @version $Revision: 37459 $
*/
public class JBossRemotingContextFactory implements InitialContextFactory, ObjectFactory
{
static void associateSecurityInformation(Object principal, Object credentials)
{
Principal securityPrincipal;
// See if the principal is a Principal or String
if( principal instanceof Principal )
{
securityPrincipal = (Principal) principal;
}
else
{
// Simply convert this to a name using toString
String username = principal.toString();
securityPrincipal = new SimplePrincipal(username);
}
// Associate this security context
SecurityAssociationActions.setPrincipalInfo(securityPrincipal, credentials);
}
static void login(Object principal, Object credentials, Object prop) throws AuthenticationException
{
String protocol = prop.toString();
try
{
// Get the principal username
String username;
if( principal instanceof Principal )
{
Principal p = (Principal) principal;
username = p.getName();
}
else
{
username = principal.toString();
}
UsernamePasswordHandler handler = new UsernamePasswordHandler(username,
credentials);
// Do the JAAS login
LoginContext lc = new LoginContext(protocol, handler);
lc.login();
}
catch(LoginException e)
{
AuthenticationException ex = new AuthenticationException("Failed to login using protocol="+protocol);
ex.setRootCause(e);
throw ex;
}
}
// InitialContextFactory implementation
public Context getInitialContext(Hashtable env) throws NamingException
{
Class[] interfaces = {Naming.class};
Interceptor[] interceptors;
Naming naming;
// Get the login principal and credentials from the JNDI env
Object credentials = env.get(Context.SECURITY_CREDENTIALS);
Object principal = env.get(Context.SECURITY_PRINCIPAL);
Object protocol = env.get(Context.SECURITY_PROTOCOL);
if (principal != null && credentials != null)
{
if (protocol != null)
{
login(principal, credentials, protocol);
}
else
{
associateSecurityInformation(principal, credentials);
}
Interceptor[] tmp = {IsLocalInterceptor.singleton, SecurityClientInterceptor.singleton, InvokeRemoteInterceptor.singleton};
interceptors = tmp;
}
else
{
Interceptor[] tmp = {IsLocalInterceptor.singleton, InvokeRemoteInterceptor.singleton};
interceptors = tmp;
}
Naming local = NamingContext.getLocal();
if (local != null) return new NamingContext(env, null, local);
String providerUrl = (String) env.get(Context.PROVIDER_URL);
if (providerUrl == null)
{
throw new RuntimeException("PROVIDER_URL not provided in jndi.properties. Automatic discovery not implemented yet.");
}
try
{
naming = (Naming) Remoting.createPojiProxy("JNDI", interfaces, providerUrl, interceptors);
}
catch (Exception e)
{
throw new RuntimeException("Unable to create Naming proxy", e);
}
return new NamingContext(env, null, naming);
}
// ObjectFactory implementation ----------------------------------
public Object getObjectInstance(Object obj,
Name name,
Context nameCtx,
Hashtable environment)
throws Exception
{
Context ctx = getInitialContext(environment);
Reference ref = (Reference) obj;
return ctx.lookup((String) ref.get("URL").getContent());
}
}
