001/*
002 * Licensed to DuraSpace under one or more contributor license agreements.
003 * See the NOTICE file distributed with this work for additional information
004 * regarding copyright ownership.
005 *
006 * DuraSpace licenses this file to you under the Apache License,
007 * Version 2.0 (the "License"); you may not use this file except in
008 * compliance with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.fcrepo.auth.xacml;
019
020import java.util.Collections;
021
022import javax.inject.Inject;
023
024import org.jboss.security.xacml.sunxacml.PDP;
025import org.jboss.security.xacml.sunxacml.PDPConfig;
026import org.jboss.security.xacml.sunxacml.finder.AttributeFinder;
027import org.jboss.security.xacml.sunxacml.finder.PolicyFinder;
028import org.jboss.security.xacml.sunxacml.finder.ResourceFinder;
029import org.slf4j.Logger;
030import org.slf4j.LoggerFactory;
031import org.springframework.stereotype.Component;
032
033
034/**
035 * Factory that creates the XACML Policy Decision Point.
036 *
037 * @author Gregory Jansen
038 */
039@Component
040public class PDPFactory {
041
042    private static final Logger LOGGER = LoggerFactory.getLogger(PDPFactory.class);
043
044    @Inject
045    private FedoraPolicyFinderModule fedoraPolicyFinderModule;
046
047    @Inject
048    private FedoraResourceFinderModule fedoraResourceFinderModule;
049
050    /**
051     * Make a PDP for the Fedora environment.
052     *
053     * @see org.springframework.beans.factory.FactoryBean#getObject()
054     * @return the PDP
055     */
056    public PDP makePDP() {
057        final PolicyFinder policyFinder = new PolicyFinder();
058        policyFinder.setModules(Collections.singleton(fedoraPolicyFinderModule));
059
060        final ResourceFinder resourceFinder = new ResourceFinder();
061        resourceFinder.setModules(Collections.singletonList(fedoraResourceFinderModule));
062
063        final PDPConfig pdpConfig = new PDPConfig(new AttributeFinder(), policyFinder, resourceFinder);
064        final PDP pdp = new PDP(pdpConfig);
065        LOGGER.info("XACML Policy Decision Point (PDP) initialized");
066        return pdp;
067    }
068
069}