IDPSAMLDebugValve.java

/*
 * 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.picketlink.identity.federation.bindings.tomcat.idp;

import java.io.IOException;

import javax.servlet.ServletException;

import org.apache.catalina.connector.Request;
import org.apache.catalina.connector.Response;
import org.apache.catalina.valves.ValveBase;
import org.picketlink.identity.federation.PicketLinkLogger;
import org.picketlink.identity.federation.PicketLinkLoggerFactory;
import org.picketlink.identity.federation.web.constants.GeneralConstants;

/**
 * Debug Valve on the IDP end that will inform whether the SP is sending the SAMLRequest or not properly
 *
 * @author Anil.Saldhana@redhat.com
 * @since May 22, 2009
 */
public class IDPSAMLDebugValve extends ValveBase {

    private static final PicketLinkLogger logger = PicketLinkLoggerFactory.getLogger();
    
    @Override
    public void invoke(Request request, Response response) throws IOException, ServletException {
        StringBuilder builder = new StringBuilder();
        String param = request.getParameter(GeneralConstants.SAML_REQUEST_KEY);
        builder.append("Method = " + request.getMethod()).append("\n");
        builder.append("SAMLRequest=" + param).append("\n");
        builder.append("SAMLResponse=" + request.getParameter(GeneralConstants.SAML_RESPONSE_KEY)).append("\n");
        builder.append("Parameter exists?=" + param != null).append("\n");
        String debugInfo = builder.toString();

        logger.debug("SP Sent::" + debugInfo);

        getNext().invoke(request, response);
    }

}