/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., 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.as.web.security.jaspi;
import org.apache.catalina.Context;
import org.apache.catalina.Realm;
import org.apache.catalina.connector.Request;
import org.apache.catalina.connector.Response;
import org.apache.catalina.valves.ValveBase;
import org.jboss.logging.Logger;
import org.jboss.security.ServerAuthenticationManager;
import org.jboss.security.auth.message.GenericMessageInfo;
import org.jboss.security.plugins.auth.JASPIServerAuthenticationManager;
import org.jboss.as.web.WebLogger;
import javax.security.auth.Subject;
import javax.servlet.ServletException;
import java.io.IOException;
/**
* <p>
* This class implements a JASPI authenticator for unprotected resources. In the JASPI Servlet profile, authentication
* for unprotected resources is optional but it is still allowed. When performed, the JASPI authentication modules must
* grant access to the unprotected resources irrespective of the caller, which may be anonymous (i.e, no security info
* supplied).
* </p>
*
* @author <a href="mailto:sguilhen@redhat.com">Stefan Guilhen</a>
*/
@SuppressWarnings("unused")
public class WebJASPIOptionalAuthenticator extends ValveBase {
private static Logger log = Logger.getLogger("org.jboss.as.web.security");
@Override
public void invoke(Request request, Response response) throws IOException, ServletException {
Realm realm = this.getContainer().getRealm();
// call JASPI only for the unprotected resources - at this point, access to protected resources has already been
// checked by the web container authenticator.
if (realm.findSecurityConstraints(request, (Context) this.getContainer()) == null) {
log.tracef("Invoking optional JASPI authenticator for request context %s", request.getServletPath());
GenericMessageInfo messageInfo = new GenericMessageInfo();
messageInfo.setRequestMessage(request);
messageInfo.setResponseMessage(request.getResponse());
// authentication here is not mandatory.
messageInfo.getMap().put("javax.security.auth.message.MessagePolicy.isMandatory", "false");
WebJASPICallbackHandler cbh = new WebJASPICallbackHandler();
ServerAuthenticationManager sam = new JASPIServerAuthenticationManager();
String appContext = request.getLocalName() + " " + request.getContextPath();
String messageLayer = "HttpServlet";
boolean isValid = sam.isValid(messageInfo, new Subject(), messageLayer, appContext, cbh);
if (isValid) {
WebLogger.WEB_SECURITY_LOGGER.debugf("JASPI validation for unprotected request context %s succeeded", request.getServletPath());
sam.secureResponse(messageInfo, new Subject(), messageLayer, appContext, cbh);
}
else {
// just log an error - this situation indicates a problem with the JASPI implementation but the call is
// safe to proceed to the unprotected resource.
WebLogger.WEB_SECURITY_LOGGER.failJASPIValidation(request.getServletPath());
}
}
super.getNext().invoke(request, response);
}
}