/*
* JBoss, a division of Red Hat
* Copyright 2006, Red Hat Middleware, LLC, and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.gatein.sso.opensso.plugin;
import java.util.Properties;
import java.util.Map;
import java.io.InputStream;
import java.io.IOException;
import java.security.Principal;
import javax.security.auth.Subject;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.PasswordCallback;
import com.sun.identity.authentication.spi.AMLoginModule;
import com.sun.identity.authentication.spi.AuthLoginException;
import com.sun.identity.authentication.util.ISAuthConstants;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.gatein.sso.plugin.RestCallbackCaller;
/**
* @author <a href="mailto:sshah@redhat.com">Sohil Shah</a>
*/
public class AuthenticationPlugin extends AMLoginModule
{
private static final Log log = LogFactory.getLog(AuthenticationPlugin.class);
private RestCallbackCaller restCallbackCaller;
private String username;
public AuthenticationPlugin()
{
}
public void init(Subject subject, Map sharedState, Map options)
{
InputStream is = null;
try
{
//Load the GateIn properties
Properties properties = new Properties();
is = Thread.currentThread().getContextClassLoader().getResourceAsStream("gatein.properties");
properties.load(is);
String gateInHost = properties.getProperty("host");
String gateInPort = properties.getProperty("port");
String gateInContext = properties.getProperty("context");
String gateInProtocol = properties.getProperty("protocol");
String gateInHttpMethod = properties.getProperty("httpMethod");
log.debug("GateIn Host: " + gateInHost + ", GateIn Port: " + gateInPort + ", GateIn context: " + gateInContext + ", Protocol=" + gateInProtocol + ", http method=" + gateInHttpMethod);
this.restCallbackCaller = new RestCallbackCaller(gateInProtocol, gateInHost, gateInPort, gateInContext, gateInHttpMethod);
}
catch(IOException ioe)
{
log.error("Error during initialization of login module", ioe);
}
finally
{
if(is != null)
{
try{is.close();}catch(Exception e){}
}
}
}
public int process(Callback[] callbacks, int state) throws AuthLoginException
{
try
{
String password = null;
for (int i = 0; i < callbacks.length; i++)
{
Callback callback = callbacks[i];
if (callback instanceof NameCallback)
{
this.username = ((NameCallback) callback).getName();
}
else if (callback instanceof PasswordCallback)
{
password = new String(((PasswordCallback) callback).getPassword());
}
}
boolean success = restCallbackCaller.executeRemoteCall(this.username, password);
if(!success)
{
throw new AuthLoginException("GateIn Login Callback Failed!!");
}
return ISAuthConstants.LOGIN_SUCCEED;
}
catch(Throwable e)
{
throw new AuthLoginException(e);
}
}
public Principal getPrincipal()
{
return new GateInPrincipal(this.username);
}
}