001/*
002 * (C) Copyright 2014 Nuxeo SA (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl-2.1.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     Nelson Silva <nelson.silva@inevo.pt>
016 */
017package org.nuxeo.ecm.automation.io.services.enricher;
018
019import java.io.IOException;
020import java.security.Principal;
021import java.util.ArrayList;
022import java.util.Arrays;
023import java.util.List;
024import java.util.Map;
025
026import org.codehaus.jackson.JsonGenerator;
027import org.nuxeo.ecm.core.api.CoreSession;
028import org.nuxeo.ecm.core.api.DocumentModel;
029import org.nuxeo.ecm.core.io.marshallers.json.enrichers.BasePermissionsJsonEnricher;
030
031import com.google.common.base.Predicate;
032import com.google.common.collect.Iterables;
033
034/**
035 * This enricher adds a list of the permissions granted to the user on the document
036 *
037 * @since 6.0
038 * @deprecated This enricher was migrated to {@link BasePermissionsJsonEnricher}. The content enricher service doesn't
039 *             work anymore.
040 */
041@Deprecated
042public class UserPermissionsContentEnricher extends AbstractContentEnricher {
043
044    private static final String PERMISSIONS_PARAMETER = "permissions";
045
046    public static final String PERMISSIONS_CONTENT_ID = "permissions";
047
048    private List<String> availablePermissions = new ArrayList<>();
049
050    @Override
051    public void enrich(JsonGenerator jg, RestEvaluationContext ec) throws IOException {
052        final DocumentModel doc = ec.getDocumentModel();
053        jg.writeStartArray();
054        for (String permission : getPermissions(doc)) {
055            jg.writeString(permission);
056        }
057        jg.writeEndArray();
058        jg.flush();
059    }
060
061    @Override
062    public void setParameters(Map<String, String> parameters) {
063        String permissionsList = parameters.get(PERMISSIONS_PARAMETER);
064        if (permissionsList != null) {
065            availablePermissions.addAll(Arrays.asList(permissionsList.split(",")));
066        }
067    }
068
069    private Iterable<String> getPermissions(final DocumentModel doc) {
070        final CoreSession session = doc.getCoreSession();
071        final Principal principal = session.getPrincipal();
072
073        return Iterables.filter(availablePermissions, new Predicate<String>() {
074            @Override
075            public boolean apply(String permission) {
076                return session.hasPermission(principal, doc.getRef(), permission);
077            }
078        });
079    }
080}