001/*
002 * (C) Copyright 2014 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Nelson Silva <nelson.silva@inevo.pt>
018 */
019package org.nuxeo.ecm.automation.io.services.enricher;
020
021import java.io.IOException;
022import java.security.Principal;
023import java.util.ArrayList;
024import java.util.Arrays;
025import java.util.List;
026import java.util.Map;
027
028import org.codehaus.jackson.JsonGenerator;
029import org.nuxeo.ecm.core.api.CoreSession;
030import org.nuxeo.ecm.core.api.DocumentModel;
031import org.nuxeo.ecm.core.io.marshallers.json.enrichers.BasePermissionsJsonEnricher;
032
033import com.google.common.base.Predicate;
034import com.google.common.collect.Iterables;
035
036/**
037 * This enricher adds a list of the permissions granted to the user on the document
038 *
039 * @since 6.0
040 * @deprecated This enricher was migrated to {@link BasePermissionsJsonEnricher}. The content enricher service doesn't
041 *             work anymore.
042 */
043@Deprecated
044public class UserPermissionsContentEnricher extends AbstractContentEnricher {
045
046    private static final String PERMISSIONS_PARAMETER = "permissions";
047
048    public static final String PERMISSIONS_CONTENT_ID = "permissions";
049
050    private List<String> availablePermissions = new ArrayList<>();
051
052    @Override
053    public void enrich(JsonGenerator jg, RestEvaluationContext ec) throws IOException {
054        final DocumentModel doc = ec.getDocumentModel();
055        jg.writeStartArray();
056        for (String permission : getPermissions(doc)) {
057            jg.writeString(permission);
058        }
059        jg.writeEndArray();
060        jg.flush();
061    }
062
063    @Override
064    public void setParameters(Map<String, String> parameters) {
065        String permissionsList = parameters.get(PERMISSIONS_PARAMETER);
066        if (permissionsList != null) {
067            availablePermissions.addAll(Arrays.asList(permissionsList.split(",")));
068        }
069    }
070
071    private Iterable<String> getPermissions(final DocumentModel doc) {
072        final CoreSession session = doc.getCoreSession();
073        final Principal principal = session.getPrincipal();
074
075        return Iterables.filter(availablePermissions, new Predicate<String>() {
076            @Override
077            public boolean apply(String permission) {
078                return session.hasPermission(principal, doc.getRef(), permission);
079            }
080        });
081    }
082}