AbstractInterceptorStrategyFactory.java

/**
 *
 *    geo-platform
 *    Rich webgis framework
 *    http://geo-platform.org
 *   ====================================================================
 *
 *   Copyright (C) 2008-2017 geoSDI Group (CNR IMAA - Potenza - ITALY).
 *
 *   This program is free software: you can redistribute it and/or modify it
 *   under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version. This program 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 General Public License
 *   for more details. You should have received a copy of the GNU General
 *   Public License along with this program. If not, see http://www.gnu.org/licenses/
 *
 *   ====================================================================
 *
 *   Linking this library statically or dynamically with other modules is
 *   making a combined work based on this library. Thus, the terms and
 *   conditions of the GNU General Public License cover the whole combination.
 *
 *   As a special exception, the copyright holders of this library give you permission
 *   to link this library with independent modules to produce an executable, regardless
 *   of the license terms of these independent modules, and to copy and distribute
 *   the resulting executable under terms of your choice, provided that you also meet,
 *   for each linked independent module, the terms and conditions of the license of
 *   that module. An independent module is a module which is not derived from or
 *   based on this library. If you modify this library, you may extend this exception
 *   to your version of the library, but you are not obligated to do so. If you do not
 *   wish to do so, delete this exception statement from your version.
 */
package org.geosdi.geoplatform.support.cxf.api.interceptor.factory.strategy;

import com.google.common.base.Preconditions;
import java.util.Map;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.interceptor.LoggingInInterceptor;
import org.apache.cxf.interceptor.LoggingOutInterceptor;
import org.apache.cxf.message.Message;
import org.apache.cxf.ws.security.wss4j.WSS4JInInterceptor;
import org.apache.cxf.ws.security.wss4j.WSS4JOutInterceptor;
import org.apache.wss4j.dom.handler.WSHandlerConstants;
import org.geosdi.geoplatform.support.cxf.api.InterceptorStrategyBean;
import org.geosdi.geoplatform.support.cxf.api.LoggingWebServiceType;
import org.geosdi.geoplatform.support.cxf.api.SecurityWebServiceType;
import org.geosdi.geoplatform.support.cxf.api.interceptor.factory.logging.LoggingInterceptorFactory;

/**
 *
 * @author Vincenzo Monteverde <vincenzo.monteverde@geosdi.org>
 *
 * @author Giuseppe La Scaleia - CNR IMAA geoSDI Group
 * @email giuseppe.lascaleia@geosdi.org
 */
public abstract class AbstractInterceptorStrategyFactory<S extends InterceptorStrategyBean>
        implements LoggingInterceptorFactory, SecurityInterceptorFactory {

    protected final S strategyBean;

    protected AbstractInterceptorStrategyFactory(S theStrategyBean) {
        Preconditions.checkNotNull(theStrategyBean, "The StrategyBean "
                + "must not be null");

        this.strategyBean = theStrategyBean;
    }

    @Override
    public LoggingInInterceptor getLoggingInInterceptor() throws
            IllegalArgumentException {
        LoggingWebServiceType loggingType = LoggingWebServiceType.fromValue(
                strategyBean.getLoggingStrategy());
        if (loggingType == LoggingWebServiceType.LOGGING_IN
                || loggingType == LoggingWebServiceType.LOGGING_IN_OUT) {
            return new LoggingInInterceptor();
        } else {
            // Dummy Input Loggin: not handle the message.
            return new LoggingInInterceptor() {

                @Override
                public void handleMessage(Message message) throws Fault {
                }

            };
        }
    }

    @Override
    public LoggingOutInterceptor getLoggingOutInterceptor() throws
            IllegalArgumentException {
        LoggingWebServiceType loggingType = LoggingWebServiceType.fromValue(
                strategyBean.getLoggingStrategy());
        if (loggingType == LoggingWebServiceType.LOGGING_OUT
                || loggingType == LoggingWebServiceType.LOGGING_IN_OUT) {
            return new LoggingOutInterceptor();
        } else {
            // Dummy Output Loggin: not handle the message.
            return new LoggingOutInterceptor() {

                @Override
                public void handleMessage(Message message) throws Fault {
                }

            };
        }
    }

    @Override
    public WSS4JInInterceptor getSecurityInInterceptor() throws
            IllegalArgumentException {
        SecurityWebServiceType securityType = SecurityWebServiceType.fromValue(
                strategyBean.getSecurityStrategy());
        switch (securityType) {
            case USERNAME_TOKEN:
                return createUsernameTokenInInterceptor();
            case ENCRYPTION:
                return createEncryptionInInterceptor();
            case SIGNATURE:
                return createSignatureInInterceptor();
            case TIMESTAMP_SIGNATURE_ENCRYPTION:
                return createTimestampSignatureEncryptionInInterceptor();
            case NONE:
                WSS4JInInterceptor in = new WSS4JInInterceptor();
                in.setProperty(WSHandlerConstants.ACTION,
                        WSHandlerConstants.NO_SECURITY);
                return in;
            default:
                return null;
        }
    }

    protected final WSS4JInInterceptor createUsernameTokenInInterceptor() {
        return new WSS4JInInterceptor(createUsernameTokenInterceptor());
    }

    protected abstract WSS4JInInterceptor createEncryptionInInterceptor();

    protected abstract WSS4JInInterceptor createSignatureInInterceptor();

    protected abstract WSS4JInInterceptor createTimestampSignatureEncryptionInInterceptor();

    @Override
    public WSS4JOutInterceptor getSecurityOutInterceptor() throws
            IllegalArgumentException {
        SecurityWebServiceType securityType = SecurityWebServiceType.fromValue(
                strategyBean.getSecurityStrategy());
        switch (securityType) {
            case USERNAME_TOKEN:
                return createUsernameTokenOutInterceptor();
            case ENCRYPTION:
                return createEncryptionOutInterceptor();
            case SIGNATURE:
                return createSignatureOutInterceptor();
            case TIMESTAMP_SIGNATURE_ENCRYPTION:
                return createTimestampSignatureEncryptionOutInterceptor();
            case NONE:
                WSS4JOutInterceptor out = new WSS4JOutInterceptor();
                out.setProperty(WSHandlerConstants.ACTION,
                        WSHandlerConstants.NO_SECURITY);
                return out;
            default:
                return null;
        }
    }

    protected abstract WSS4JOutInterceptor createEncryptionOutInterceptor();

    protected abstract WSS4JOutInterceptor createSignatureOutInterceptor();

    protected abstract WSS4JOutInterceptor createTimestampSignatureEncryptionOutInterceptor();

    protected final WSS4JOutInterceptor createUsernameTokenOutInterceptor() {
        return new WSS4JOutInterceptor(createUsernameTokenInterceptor());
    }

    protected abstract Map<String, Object> createUsernameTokenInterceptor();

}