001/*
002 * (C) Copyright 2018 Nuxeo (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 *      André Justo
018 */
019package org.nuxeo.ecm.platform.mail.security;
020
021import static org.nuxeo.ecm.platform.mail.utils.MailCoreConstants.MAIL_MESSAGE_TYPE;
022
023import java.security.Principal;
024import java.util.Arrays;
025import java.util.List;
026
027import org.nuxeo.ecm.core.api.security.ACP;
028import org.nuxeo.ecm.core.api.security.Access;
029import org.nuxeo.ecm.core.api.security.SecurityConstants;
030import org.nuxeo.ecm.core.model.Document;
031import org.nuxeo.ecm.core.query.sql.model.SQLQuery;
032import org.nuxeo.ecm.core.security.AbstractSecurityPolicy;
033
034/**
035 * Security policy that denies Write access on MailMessage documents.
036 *
037 * @since 10.1
038 */
039public class MailMessageSecurityPolicy extends AbstractSecurityPolicy {
040
041    @Override
042    public Access checkPermission(Document doc, ACP mergedAcp, Principal principal, String permission,
043            String[] resolvedPermissions, String[] additionalPrincipals) {
044        Access access = Access.UNKNOWN;
045        if (doc.getType().getName().equals(MAIL_MESSAGE_TYPE)) {
046            List<String> resolvedPermissionsList = Arrays.asList(resolvedPermissions);
047            if (resolvedPermissionsList.contains(SecurityConstants.WRITE_PROPERTIES)
048                || resolvedPermissionsList.contains(SecurityConstants.WRITE)) {
049                access = Access.DENY;
050            }
051        }
052        return access;
053    }
054
055    @Override
056    public boolean isRestrictingPermission(String permission) {
057        return SecurityConstants.WRITE.equals(permission) || SecurityConstants.WRITE_PROPERTIES.equals(permission);
058    }
059
060    @Override
061    public boolean isExpressibleInQuery(String repositoryName) {
062        return true;
063    }
064
065    @Override
066    public SQLQuery.Transformer getQueryTransformer(String repositoryName) {
067        return SQLQuery.Transformer.IDENTITY;
068    }
069}