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/**
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* '$RCSfile$'
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* Copyright: 2000-2011 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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*
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* '$Author: $'
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* '$Date: $'
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package edu.ucsb.nceas.metacat.dataone;
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import java.io.IOException;
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import java.io.InputStream;
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import java.math.BigInteger;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.List;
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import java.util.Set;
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import javax.servlet.http.HttpServletRequest;
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import org.apache.commons.io.IOUtils;
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import org.apache.log4j.Logger;
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import org.dataone.client.CNode;
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import org.dataone.client.D1Client;
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import org.dataone.service.cn.v1.CNAuthorization;
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import org.dataone.service.cn.v1.CNCore;
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import org.dataone.service.cn.v1.CNRead;
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import org.dataone.service.cn.v1.CNReplication;
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import org.dataone.service.exceptions.IdentifierNotUnique;
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import org.dataone.service.exceptions.InsufficientResources;
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import org.dataone.service.exceptions.InvalidRequest;
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import org.dataone.service.exceptions.InvalidSystemMetadata;
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import org.dataone.service.exceptions.InvalidToken;
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import org.dataone.service.exceptions.NotAuthorized;
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import org.dataone.service.exceptions.NotFound;
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import org.dataone.service.exceptions.NotImplemented;
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import org.dataone.service.exceptions.ServiceFailure;
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import org.dataone.service.exceptions.UnsupportedType;
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import org.dataone.service.types.v1.Checksum;
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import org.dataone.service.types.v1.Identifier;
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import org.dataone.service.types.v1.Node;
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import org.dataone.service.types.v1.NodeList;
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import org.dataone.service.types.v1.NodeReference;
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import org.dataone.service.types.v1.ObjectFormat;
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import org.dataone.service.types.v1.ObjectFormatIdentifier;
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import org.dataone.service.types.v1.ObjectFormatList;
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import org.dataone.service.types.v1.ObjectList;
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import org.dataone.service.types.v1.ObjectLocationList;
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import org.dataone.service.types.v1.Permission;
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import org.dataone.service.types.v1.Replica;
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import org.dataone.service.types.v1.ReplicationPolicy;
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import org.dataone.service.types.v1.ReplicationStatus;
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import org.dataone.service.types.v1.Session;
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import org.dataone.service.types.v1.Subject;
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import org.dataone.service.types.v1.SystemMetadata;
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import org.dataone.service.types.v1.util.ChecksumUtil;
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import org.dataone.service.util.Constants;
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import com.hazelcast.query.SqlPredicate;
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import edu.ucsb.nceas.metacat.EventLog;
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import edu.ucsb.nceas.metacat.IdentifierManager;
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import edu.ucsb.nceas.metacat.McdbDocNotFoundException;
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import edu.ucsb.nceas.metacat.dataone.hazelcast.HazelcastService;
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/**
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* Represents Metacat's implementation of the DataONE Coordinating Node
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* service API. Methods implement the various CN* interfaces, and methods common
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* to both Member Node and Coordinating Node interfaces are found in the
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* D1NodeService super class.
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*
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*/
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public class CNodeService extends D1NodeService implements CNAuthorization,
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CNCore, CNRead, CNReplication {
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/* the logger instance */
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private Logger logMetacat = null;
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/**
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* singleton accessor
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*/
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public static CNodeService getInstance(HttpServletRequest request) {
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return new CNodeService(request);
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}
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/**
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* Constructor, private for singleton access
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*/
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private CNodeService(HttpServletRequest request) {
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super(request);
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logMetacat = Logger.getLogger(CNodeService.class);
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}
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/**
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* Set the replication policy for an object given the object identifier
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*
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* @param session - the Session object containing the credentials for the Subject
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* @param pid - the object identifier for the given object
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* @param policy - the replication policy to be applied
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*
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* @return true or false
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*
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* @throws NotImplemented
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* @throws NotAuthorized
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* @throws ServiceFailure
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* @throws InvalidRequest
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*
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*/
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@Override
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public boolean setReplicationPolicy(Session session, Identifier pid,
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ReplicationPolicy policy)
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throws NotImplemented, NotFound, NotAuthorized, ServiceFailure,
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InvalidRequest, InvalidToken {
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// get the subject
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Subject subject = session.getSubject();
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// are we allowed to do this?
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if (!isAuthorized(session, pid, Permission.CHANGE_PERMISSION)) {
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throw new NotAuthorized("4881", Permission.CHANGE_PERMISSION +
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" not allowed by " + subject.getValue() + " on " + pid.getValue());
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}
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SystemMetadata systemMetadata = null;
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try {
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HazelcastService.getInstance().getSystemMetadataMap().lock(pid);
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systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
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} catch (Exception e) { // Catch is generic since HZ throws RuntimeException
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throw new NotFound("4884", "No record found for: " + pid.getValue());
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}
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// set the new policy
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systemMetadata.setReplicationPolicy(policy);
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// update the metadata
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try {
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systemMetadata.setSerialVersion(systemMetadata.getSerialVersion().add(BigInteger.ONE));
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systemMetadata.setDateSysMetadataModified(Calendar.getInstance().getTime());
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HazelcastService.getInstance().getSystemMetadataMap().put(systemMetadata.getIdentifier(), systemMetadata);
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HazelcastService.getInstance().getSystemMetadataMap().unlock(systemMetadata.getIdentifier());
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} catch (Exception e) {
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throw new ServiceFailure("4882", e.getMessage());
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} finally {
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HazelcastService.getInstance().getSystemMetadataMap().unlock(systemMetadata.getIdentifier());
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}
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return true;
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}
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/**
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* Set the replication status for an object given the object identifier
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*
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* @param session - the Session object containing the credentials for the Subject
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* @param pid - the object identifier for the given object
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* @param status - the replication status to be applied
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*
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* @return true or false
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*
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* @throws NotImplemented
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* @throws NotAuthorized
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* @throws ServiceFailure
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* @throws InvalidRequest
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* @throws InvalidToken
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* @throws NotFound
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*
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*/
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@Override
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public boolean setReplicationStatus(Session session, Identifier pid,
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NodeReference targetNode, ReplicationStatus status)
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throws ServiceFailure, NotImplemented, InvalidToken, NotAuthorized,
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InvalidRequest, NotFound {
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// get the subject
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Subject subject = session.getSubject();
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// are we allowed to do this?
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if (!isAuthorized(session, pid, Permission.WRITE)) {
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throw new NotAuthorized("4720", Permission.WRITE + " not allowed by " +
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subject.getValue() + " on " + pid.getValue());
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}
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SystemMetadata systemMetadata = null;
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try {
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HazelcastService.getInstance().getSystemMetadataMap().lock(pid);
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systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
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} catch (Exception e) { // Catch is generic since HZ throws RuntimeException
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throw new NotFound("4740", "No record found for: " + pid.getValue() +
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" : " + e.getMessage());
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}
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// set the status for the replica
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List<Replica> replicas = systemMetadata.getReplicaList();
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for (Replica replica: replicas) {
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if (replica.getReplicaMemberNode().getValue().equals(targetNode.getValue())) {
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replica.setReplicationStatus(status);
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}
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}
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// [re]set the list -- redundant?
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systemMetadata.setReplicaList(replicas);
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// update the metadata
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try {
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systemMetadata.setSerialVersion(systemMetadata.getSerialVersion().add(BigInteger.ONE));
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systemMetadata.setDateSysMetadataModified(Calendar.getInstance().getTime());
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HazelcastService.getInstance().getSystemMetadataMap().put(systemMetadata.getIdentifier(), systemMetadata);
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HazelcastService.getInstance().getSystemMetadataMap().unlock(systemMetadata.getIdentifier());
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} catch (Exception e) {
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throw new ServiceFailure("4700", e.getMessage());
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} finally {
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HazelcastService.getInstance().getSystemMetadataMap().unlock(systemMetadata.getIdentifier());
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}
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return true;
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}
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/**
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* Test that the specified relationship between pidOfSubject and pidOfObject exists
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*
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* @param session - the Session object containing the credentials for the Subject
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* @param node - the node information for the given node be modified
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*
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* @return true if the relationship exists
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*
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* @throws InvalidToken
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* @throws ServiceFailure
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* @throws NotAuthorized
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* @throws NotFound
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* @throws InvalidRequest
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* @throws NotImplemented
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*/
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@Override
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public boolean assertRelation(Session session, Identifier pidOfSubject,
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String relationship, Identifier pidOfObject)
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throws InvalidToken, ServiceFailure, NotAuthorized, NotFound,
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InvalidRequest, NotImplemented {
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boolean asserted = false;
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// are we allowed to do this?
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if (!isAuthorized(session, pidOfSubject, Permission.READ)) {
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throw new NotAuthorized("4881", Permission.READ + " not allowed on " + pidOfSubject.getValue());
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}
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SystemMetadata systemMetadata = null;
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try {
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HazelcastService.getInstance().getSystemMetadataMap().lock(pidOfSubject);
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systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pidOfSubject);
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// check relationships
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// TODO: use ORE map
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if (relationship.equalsIgnoreCase("describes")) {
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}
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if (relationship.equalsIgnoreCase("describedBy")) {
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}
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if (relationship.equalsIgnoreCase("derivedFrom")) {
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}
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if (relationship.equalsIgnoreCase("obsoletes")) {
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Identifier pid = systemMetadata.getObsoletes();
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if (pid.getValue().equals(pidOfObject.getValue())) {
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asserted = true;
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}
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//return systemMetadata.getObsoleteList().contains(pidOfObject);
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}
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if (relationship.equalsIgnoreCase("obsoletedBy")) {
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Identifier pid = systemMetadata.getObsoletedBy();
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if (pid.getValue().equals(pidOfObject.getValue())) {
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asserted = true;
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}
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//return systemMetadata.getObsoletedByList().contains(pidOfObject);
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}
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HazelcastService.getInstance().getSystemMetadataMap().unlock(pidOfSubject);
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} catch (Exception e) {
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throw new ServiceFailure("4270", "Could not assert relation for: " +
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pidOfSubject.getValue() +
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". The error message was: " + e.getMessage());
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} finally {
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HazelcastService.getInstance().getSystemMetadataMap().unlock(pidOfSubject);
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}
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return asserted;
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}
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/**
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* Return the checksum of the object given the identifier
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*
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* @param session - the Session object containing the credentials for the Subject
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* @param pid - the object identifier for the given object
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*
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* @return checksum - the checksum of the object
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*
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* @throws InvalidToken
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* @throws ServiceFailure
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* @throws NotAuthorized
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* @throws NotFound
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* @throws InvalidRequest
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* @throws NotImplemented
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*/
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@Override
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public Checksum getChecksum(Session session, Identifier pid)
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throws InvalidToken, ServiceFailure, NotAuthorized, NotFound,
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InvalidRequest, NotImplemented {
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if (!isAuthorized(session, pid, Permission.READ)) {
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throw new NotAuthorized("1400", Permission.READ + " not allowed on " + pid.getValue());
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}
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SystemMetadata systemMetadata = null;
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Checksum checksum = null;
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try {
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HazelcastService.getInstance().getSystemMetadataMap().lock(pid);
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systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
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checksum = systemMetadata.getChecksum();
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HazelcastService.getInstance().getSystemMetadataMap().unlock(pid);
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} catch (Exception e) {
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throw new ServiceFailure("1410", "An error occurred getting the checksum for " +
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pid.getValue() + ". The error message was: " + e.getMessage());
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360
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361
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} finally {
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HazelcastService.getInstance().getSystemMetadataMap().unlock(pid);
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363
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364
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}
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365
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return checksum;
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}
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368
|
|
369
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/**
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370
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* Resolve the location of a given object
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371
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*
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* @param session - the Session object containing the credentials for the Subject
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373
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* @param pid - the object identifier for the given object
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374
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*
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375
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* @return objectLocationList - the list of nodes known to contain the object
|
376
|
*
|
377
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* @throws InvalidRequest
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378
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* @throws InvalidToken
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379
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* @throws ServiceFailure
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380
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* @throws NotAuthorized
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381
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* @throws NotFound
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382
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* @throws NotImplemented
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383
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*/
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384
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@Override
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385
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public ObjectLocationList resolve(Session session, Identifier pid)
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386
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throws InvalidRequest, InvalidToken, ServiceFailure, NotAuthorized,
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387
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NotFound, NotImplemented {
|
388
|
|
389
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throw new NotImplemented("4131", "resolve not implemented");
|
390
|
|
391
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}
|
392
|
|
393
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/**
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394
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* Search the metadata catalog for identifiers that match the criteria
|
395
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*
|
396
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* @param session - the Session object containing the credentials for the Subject
|
397
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* @param queryType - An identifier for the type of query expression
|
398
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* provided in the query
|
399
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* @param query - The criteria for matching the characteristics of the
|
400
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* metadata objects of interest
|
401
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*
|
402
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* @return objectList - the list of objects matching the criteria
|
403
|
*
|
404
|
* @throws InvalidToken
|
405
|
* @throws ServiceFailure
|
406
|
* @throws NotAuthorized
|
407
|
* @throws InvalidRequest
|
408
|
* @throws NotImplemented
|
409
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*/
|
410
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@Override
|
411
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public ObjectList search(Session session, String queryType, String query)
|
412
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throws InvalidToken, ServiceFailure, NotAuthorized, InvalidRequest,
|
413
|
NotImplemented {
|
414
|
|
415
|
ObjectList objectList = null;
|
416
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try {
|
417
|
objectList =
|
418
|
IdentifierManager.getInstance().querySystemMetadata(
|
419
|
null, //startTime,
|
420
|
null, //endTime,
|
421
|
null, //objectFormat,
|
422
|
false, //replicaStatus,
|
423
|
0, //start,
|
424
|
-1 //count
|
425
|
);
|
426
|
|
427
|
} catch (Exception e) {
|
428
|
throw new ServiceFailure("4310", "Error querying system metadata: " + e.getMessage());
|
429
|
}
|
430
|
|
431
|
return objectList;
|
432
|
|
433
|
//throw new NotImplemented("4281", "search not implemented");
|
434
|
|
435
|
// the code block below is from an older implementation
|
436
|
|
437
|
/* This block commented out because of the EcoGrid circular dependency.
|
438
|
* For now, query will not be supported until the circularity can be
|
439
|
* resolved, probably by moving the ecogrid query syntax transformers
|
440
|
* directly into the Metacat codebase. MBJ 2010-02-03
|
441
|
|
442
|
try {
|
443
|
EcogridQueryParser parser = new EcogridQueryParser(request
|
444
|
.getReader());
|
445
|
parser.parseXML();
|
446
|
QueryType queryType = parser.getEcogridQuery();
|
447
|
EcogridJavaToMetacatJavaQueryTransformer queryTransformer =
|
448
|
new EcogridJavaToMetacatJavaQueryTransformer();
|
449
|
QuerySpecification metacatQuery = queryTransformer
|
450
|
.transform(queryType);
|
451
|
|
452
|
DBQuery metacat = new DBQuery();
|
453
|
|
454
|
boolean useXMLIndex = (new Boolean(PropertyService
|
455
|
.getProperty("database.usexmlindex"))).booleanValue();
|
456
|
String xmlquery = "query"; // we don't care the query in resultset,
|
457
|
// the query can be anything
|
458
|
PrintWriter out = null; // we don't want metacat result, so set out null
|
459
|
|
460
|
// parameter: queryspecification, user, group, usingIndexOrNot
|
461
|
StringBuffer result = metacat.createResultDocument(xmlquery,
|
462
|
metacatQuery, out, username, groupNames, useXMLIndex);
|
463
|
|
464
|
// create result set transfer
|
465
|
String saxparser = PropertyService.getProperty("xml.saxparser");
|
466
|
MetacatResultsetParser metacatResultsetParser = new MetacatResultsetParser(
|
467
|
new StringReader(result.toString()), saxparser, queryType
|
468
|
.getNamespace().get_value());
|
469
|
ResultsetType records = metacatResultsetParser.getEcogridResult();
|
470
|
|
471
|
System.out
|
472
|
.println(EcogridResultsetTransformer.toXMLString(records));
|
473
|
response.setContentType("text/xml");
|
474
|
out = response.getWriter();
|
475
|
out.print(EcogridResultsetTransformer.toXMLString(records));
|
476
|
|
477
|
} catch (Exception e) {
|
478
|
e.printStackTrace();
|
479
|
}*/
|
480
|
|
481
|
|
482
|
}
|
483
|
|
484
|
/**
|
485
|
* Returns the object format registered in the DataONE Object Format
|
486
|
* Vocabulary for the given format identifier
|
487
|
*
|
488
|
* @param fmtid - the identifier of the format requested
|
489
|
*
|
490
|
* @return objectFormat - the object format requested
|
491
|
*
|
492
|
* @throws InvalidRequest
|
493
|
* @throws ServiceFailure
|
494
|
* @throws NotFound
|
495
|
* @throws InsufficientResources
|
496
|
* @throws NotImplemented
|
497
|
*/
|
498
|
@Override
|
499
|
public ObjectFormat getFormat(ObjectFormatIdentifier fmtid)
|
500
|
throws InvalidRequest, ServiceFailure, NotFound, InsufficientResources,
|
501
|
NotImplemented {
|
502
|
|
503
|
return ObjectFormatService.getInstance().getFormat(fmtid);
|
504
|
|
505
|
}
|
506
|
|
507
|
/**
|
508
|
* Returns a list of all object formats registered in the DataONE Object
|
509
|
* Format Vocabulary
|
510
|
*
|
511
|
* @return objectFormatList - The list of object formats registered in
|
512
|
* the DataONE Object Format Vocabulary
|
513
|
*
|
514
|
* @throws InvalidRequest
|
515
|
* @throws ServiceFailure
|
516
|
* @throws NotImplemented
|
517
|
* @throws NotFound
|
518
|
* @throws InsufficientResources
|
519
|
*/
|
520
|
@Override
|
521
|
public ObjectFormatList listFormats()
|
522
|
throws InvalidRequest, ServiceFailure, NotFound, InsufficientResources,
|
523
|
NotImplemented {
|
524
|
|
525
|
return ObjectFormatService.getInstance().listFormats();
|
526
|
}
|
527
|
|
528
|
/**
|
529
|
* Returns a list of nodes that have been registered with the DataONE infrastructure
|
530
|
*
|
531
|
* @return nodeList - List of nodes from the registry
|
532
|
*
|
533
|
* @throws ServiceFailure
|
534
|
* @throws NotImplemented
|
535
|
*/
|
536
|
@Override
|
537
|
public NodeList listNodes()
|
538
|
throws NotImplemented, ServiceFailure {
|
539
|
|
540
|
throw new NotImplemented("4800", "listNodes not implemented");
|
541
|
}
|
542
|
|
543
|
/**
|
544
|
* Provides a mechanism for adding system metadata independently of its
|
545
|
* associated object, such as when adding system metadata for data objects.
|
546
|
*
|
547
|
* @param session - the Session object containing the credentials for the Subject
|
548
|
* @param pid - The identifier of the object to register the system metadata against
|
549
|
* @param sysmeta - The system metadata to be registered
|
550
|
*
|
551
|
* @return true if the registration succeeds
|
552
|
*
|
553
|
* @throws NotImplemented
|
554
|
* @throws NotAuthorized
|
555
|
* @throws ServiceFailure
|
556
|
* @throws InvalidRequest
|
557
|
* @throws InvalidSystemMetadata
|
558
|
*/
|
559
|
@Override
|
560
|
public Identifier registerSystemMetadata(Session session, Identifier guid,
|
561
|
SystemMetadata sysmeta)
|
562
|
throws NotImplemented, NotAuthorized, ServiceFailure, InvalidRequest,
|
563
|
InvalidSystemMetadata {
|
564
|
|
565
|
// TODO: control who can call this?
|
566
|
if (session == null) {
|
567
|
//TODO: many of the thrown exceptions do not use the correct error codes
|
568
|
//check these against the docs and correct them
|
569
|
throw new NotAuthorized("4861", "No Session - could not authorize for registration." +
|
570
|
" If you are not logged in, please do so and retry the request.");
|
571
|
}
|
572
|
|
573
|
// verify that guid == SystemMetadata.getIdentifier()
|
574
|
logMetacat.debug("Comparing guid|sysmeta_guid: " + guid.getValue() +
|
575
|
"|" + sysmeta.getIdentifier().getValue());
|
576
|
if (!guid.getValue().equals(sysmeta.getIdentifier().getValue())) {
|
577
|
throw new InvalidRequest("4863",
|
578
|
"The identifier in method call (" + guid.getValue() +
|
579
|
") does not match identifier in system metadata (" +
|
580
|
sysmeta.getIdentifier().getValue() + ").");
|
581
|
}
|
582
|
|
583
|
logMetacat.debug("Checking if identifier exists...");
|
584
|
// Check that the identifier does not already exist
|
585
|
if (HazelcastService.getInstance().getSystemMetadataMap().containsKey(guid)) {
|
586
|
throw new InvalidRequest("4863",
|
587
|
"The identifier is already in use by an existing object.");
|
588
|
|
589
|
}
|
590
|
|
591
|
// insert the system metadata into the object store
|
592
|
logMetacat.debug("Starting to insert SystemMetadata...");
|
593
|
try {
|
594
|
HazelcastService.getInstance().getSystemMetadataMap().lock(sysmeta.getIdentifier());
|
595
|
sysmeta.setSerialVersion(BigInteger.ONE);
|
596
|
sysmeta.setDateSysMetadataModified(Calendar.getInstance().getTime());
|
597
|
HazelcastService.getInstance().getSystemMetadataMap().put(sysmeta.getIdentifier(), sysmeta);
|
598
|
HazelcastService.getInstance().getSystemMetadataMap().unlock(sysmeta.getIdentifier());
|
599
|
|
600
|
} catch (Exception e) {
|
601
|
logMetacat.error("Problem registering system metadata: " + guid.getValue(), e);
|
602
|
throw new ServiceFailure("4862", "Error inserting system metadata: " +
|
603
|
e.getClass() + ": " + e.getMessage());
|
604
|
|
605
|
} finally {
|
606
|
HazelcastService.getInstance().getSystemMetadataMap().unlock(sysmeta.getIdentifier());
|
607
|
|
608
|
}
|
609
|
|
610
|
logMetacat.debug("Returning from registerSystemMetadata");
|
611
|
EventLog.getInstance().log(request.getRemoteAddr(), request.getHeader("User-Agent"), session.getSubject().getValue(), guid.getValue(), "registerSystemMetadata");
|
612
|
return guid;
|
613
|
}
|
614
|
|
615
|
/**
|
616
|
* Provides a mechanism for updating system metadata independently of its
|
617
|
* associated object
|
618
|
*
|
619
|
* @param session - the Session object containing the credentials for the Subject
|
620
|
* @param pid - The identifier of the system metadata
|
621
|
* @param sysmeta - The system metadata to be registered
|
622
|
*
|
623
|
* @return true if the update succeeds
|
624
|
*
|
625
|
* @throws NotImplemented
|
626
|
* @throws NotAuthorized
|
627
|
* @throws ServiceFailure
|
628
|
* @throws InvalidRequest
|
629
|
* @throws InvalidSystemMetadata
|
630
|
* @throws NotFound
|
631
|
*/
|
632
|
@Override
|
633
|
public boolean updateSystemMetadata(Session session, Identifier guid,
|
634
|
SystemMetadata sysmeta)
|
635
|
throws NotImplemented, NotAuthorized, ServiceFailure, InvalidRequest,
|
636
|
InvalidSystemMetadata, NotFound {
|
637
|
|
638
|
// TODO: control who can call this?
|
639
|
if (session == null) {
|
640
|
//TODO: many of the thrown exceptions do not use the correct error codes
|
641
|
//check these against the docs and correct them
|
642
|
throw new NotAuthorized("4861", "No Session - could not authorize for update." +
|
643
|
" If you are not logged in, please do so and retry the request.");
|
644
|
}
|
645
|
|
646
|
// verify that guid == SystemMetadata.getIdentifier()
|
647
|
logMetacat.debug("Comparing guid|sysmeta_guid: " + guid.getValue() + "|" +
|
648
|
sysmeta.getIdentifier().getValue());
|
649
|
if (!guid.getValue().equals(sysmeta.getIdentifier().getValue())) {
|
650
|
throw new InvalidRequest("4863",
|
651
|
"GUID in method call (" + guid.getValue() +
|
652
|
") does not match GUID in system metadata (" +
|
653
|
sysmeta.getIdentifier().getValue() + ").");
|
654
|
}
|
655
|
|
656
|
logMetacat.debug("Checking if identifier exists...");
|
657
|
// Check that the identifier exists
|
658
|
if (!IdentifierManager.getInstance().identifierExists(guid.getValue())) {
|
659
|
throw new NotFound("000",
|
660
|
"GUID does not exist");
|
661
|
}
|
662
|
|
663
|
// update the system metadata into the object store
|
664
|
logMetacat.debug("Starting to update SystemMetadata...");
|
665
|
|
666
|
// update system metadata
|
667
|
try {
|
668
|
HazelcastService.getInstance().getSystemMetadataMap().lock(sysmeta.getIdentifier());
|
669
|
SystemMetadata currentSysMeta =
|
670
|
HazelcastService.getInstance().getSystemMetadataMap().get(sysmeta.getIdentifier());
|
671
|
|
672
|
// only update if the requester has the most current system metadata
|
673
|
if (sysmeta.getSerialVersion().compareTo(currentSysMeta.getSerialVersion()) != 0 ) {
|
674
|
String msg = "The serial version of the system metadata " +
|
675
|
"to be updated does not equal the serial version of the current " +
|
676
|
"system metadata for identifier " + guid + ". Ensure that the " +
|
677
|
"copy is the most current before updating.";
|
678
|
logMetacat.warn(msg);
|
679
|
HazelcastService.getInstance().getSystemMetadataMap().unlock(sysmeta.getIdentifier());
|
680
|
throw new InvalidRequest("4913", msg);
|
681
|
|
682
|
}
|
683
|
|
684
|
sysmeta.setSerialVersion(currentSysMeta.getSerialVersion().add(BigInteger.ONE));
|
685
|
sysmeta.setDateSysMetadataModified(Calendar.getInstance().getTime());
|
686
|
HazelcastService.getInstance().getSystemMetadataMap().put(sysmeta.getIdentifier(), sysmeta);
|
687
|
HazelcastService.getInstance().getSystemMetadataMap().unlock(sysmeta.getIdentifier());
|
688
|
|
689
|
} catch (Exception e) {
|
690
|
throw new ServiceFailure("4852", e.getMessage());
|
691
|
|
692
|
} finally {
|
693
|
HazelcastService.getInstance().getSystemMetadataMap().unlock(sysmeta.getIdentifier());
|
694
|
|
695
|
}
|
696
|
|
697
|
logMetacat.debug("Returning from updateSystemMetadata");
|
698
|
EventLog.getInstance().log(request.getRemoteAddr(),
|
699
|
request.getHeader("User-Agent"),
|
700
|
session.getSubject().getValue(),
|
701
|
guid.getValue(), "updateSystemMetadata");
|
702
|
return true;
|
703
|
}
|
704
|
|
705
|
/**
|
706
|
* Given an optional scope and format, reserves and returns an identifier
|
707
|
* within that scope and format that is unique and will not be
|
708
|
* used by any other sessions.
|
709
|
*
|
710
|
* @param session - the Session object containing the credentials for the Subject
|
711
|
* @param pid - The identifier of the object to register the system metadata against
|
712
|
* @param scope - An optional string to be used to qualify the scope of
|
713
|
* the identifier namespace, which is applied differently
|
714
|
* depending on the format requested. If scope is not
|
715
|
* supplied, a default scope will be used.
|
716
|
* @param format - The optional name of the identifier format to be used,
|
717
|
* drawn from a DataONE-specific vocabulary of identifier
|
718
|
* format names, including several common syntaxes such
|
719
|
* as DOI, LSID, UUID, and LSRN, among others. If the
|
720
|
* format is not supplied by the caller, the CN service
|
721
|
* will use a default identifier format, which may change
|
722
|
* over time.
|
723
|
*
|
724
|
* @return true if the registration succeeds
|
725
|
*
|
726
|
* @throws InvalidToken
|
727
|
* @throws ServiceFailure
|
728
|
* @throws NotAuthorized
|
729
|
* @throws IdentifierNotUnique
|
730
|
* @throws NotImplemented
|
731
|
*/
|
732
|
@Override
|
733
|
public boolean reserveIdentifier(Session session, Identifier pid)
|
734
|
throws InvalidToken, ServiceFailure,
|
735
|
NotAuthorized, IdentifierNotUnique, NotImplemented, InvalidRequest {
|
736
|
|
737
|
throw new NotImplemented("4191", "reserveIdentifier not implemented on this node");
|
738
|
}
|
739
|
|
740
|
@Override
|
741
|
public Identifier generateIdentifier(Session session, String scheme, String fragment)
|
742
|
throws InvalidToken, ServiceFailure,
|
743
|
NotAuthorized, NotImplemented, InvalidRequest {
|
744
|
throw new NotImplemented("4191", "generateIdentifier not implemented on this node");
|
745
|
}
|
746
|
|
747
|
/**
|
748
|
* Checks whether the pid is reserved by the subject in the session param
|
749
|
* If the reservation is held on the pid by the subject, we return true.
|
750
|
*
|
751
|
* @param session - the Session object containing the Subject
|
752
|
* @param pid - The identifier to check
|
753
|
*
|
754
|
* @return true if the reservation exists for the subject/pid
|
755
|
*
|
756
|
* @throws InvalidToken
|
757
|
* @throws ServiceFailure
|
758
|
* @throws NotFound - when the pid is not found (in use or in reservation)
|
759
|
* @throws NotAuthorized - when the subject does not hold a reservation on the pid
|
760
|
* @throws IdentifierNotUnique - when the pid is in use
|
761
|
* @throws NotImplemented
|
762
|
*/
|
763
|
|
764
|
@Override
|
765
|
public boolean hasReservation(Session session, Identifier pid)
|
766
|
throws InvalidToken, ServiceFailure, NotFound, NotAuthorized, IdentifierNotUnique,
|
767
|
NotImplemented, InvalidRequest {
|
768
|
|
769
|
throw new NotImplemented("4191", "hasReservation not implemented on this node");
|
770
|
}
|
771
|
|
772
|
/**
|
773
|
* Changes ownership (RightsHolder) of the specified object to the
|
774
|
* subject specified by userId
|
775
|
*
|
776
|
* @param session - the Session object containing the credentials for the Subject
|
777
|
* @param pid - Identifier of the object to be modified
|
778
|
* @param userId - The subject that will be taking ownership of the specified object.
|
779
|
*
|
780
|
* @return pid - the identifier of the modified object
|
781
|
*
|
782
|
* @throws ServiceFailure
|
783
|
* @throws InvalidToken
|
784
|
* @throws NotFound
|
785
|
* @throws NotAuthorized
|
786
|
* @throws NotImplemented
|
787
|
* @throws InvalidRequest
|
788
|
*/
|
789
|
@Override
|
790
|
public Identifier setOwner(Session session, Identifier pid, Subject userId)
|
791
|
throws InvalidToken, ServiceFailure, NotFound, NotAuthorized,
|
792
|
NotImplemented, InvalidRequest {
|
793
|
|
794
|
// get the subject
|
795
|
Subject subject = session.getSubject();
|
796
|
|
797
|
// are we allowed to do this?
|
798
|
if (!isAuthorized(session, pid, Permission.CHANGE_PERMISSION)) {
|
799
|
throw new NotAuthorized("4440", "not allowed by " + subject.getValue() + " on " + pid.getValue());
|
800
|
}
|
801
|
|
802
|
SystemMetadata systemMetadata = null;
|
803
|
try {
|
804
|
HazelcastService.getInstance().getSystemMetadataMap().lock(pid);
|
805
|
systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
|
806
|
|
807
|
} catch (Exception e) { // Catch is generic since HZ throws RuntimeException
|
808
|
throw new NotFound("4460", "No record found for: " + pid.getValue());
|
809
|
|
810
|
}
|
811
|
|
812
|
// set the new rights holder
|
813
|
systemMetadata.setRightsHolder(userId);
|
814
|
|
815
|
// update the metadata
|
816
|
try {
|
817
|
systemMetadata.setSerialVersion(systemMetadata.getSerialVersion().add(BigInteger.ONE));
|
818
|
systemMetadata.setDateSysMetadataModified(Calendar.getInstance().getTime());
|
819
|
HazelcastService.getInstance().getSystemMetadataMap().put(pid, systemMetadata);
|
820
|
HazelcastService.getInstance().getSystemMetadataMap().unlock(pid);
|
821
|
|
822
|
} catch (Exception e) {
|
823
|
throw new ServiceFailure("4490", e.getMessage());
|
824
|
|
825
|
} finally {
|
826
|
HazelcastService.getInstance().getSystemMetadataMap().unlock(pid);
|
827
|
}
|
828
|
|
829
|
return pid;
|
830
|
}
|
831
|
|
832
|
/**
|
833
|
* Verify that a replication task is authorized by comparing the target node's
|
834
|
* Subject (from the X.509 certificate-derived Session) with the list of
|
835
|
* subjects in the known, pending replication tasks map.
|
836
|
*
|
837
|
* @param originatingNodeSession - Session information that contains the
|
838
|
* identity of the calling user
|
839
|
* @param targetNodeSubject - Subject identifying the target node
|
840
|
* @param pid - the identifier of the object to be replicated
|
841
|
* @param replicatePermission - the execute permission to be granted
|
842
|
*
|
843
|
* @throws ServiceFailure
|
844
|
* @throws NotImplemented
|
845
|
* @throws InvalidToken
|
846
|
* @throws NotAuthorized
|
847
|
* @throws InvalidRequest
|
848
|
* @throws NotFound
|
849
|
*/
|
850
|
@Override
|
851
|
public boolean isNodeAuthorized(Session originatingNodeSession,
|
852
|
Subject targetNodeSubject, Identifier pid, Permission replicatePermission)
|
853
|
throws NotImplemented, NotAuthorized, InvalidToken, ServiceFailure,
|
854
|
NotFound, InvalidRequest {
|
855
|
|
856
|
boolean isAllowed = false;
|
857
|
SystemMetadata sysmeta = null;
|
858
|
NodeReference targetNode = null;
|
859
|
|
860
|
try {
|
861
|
// get the target node reference from the nodes list
|
862
|
CNode cn = D1Client.getCN();
|
863
|
List<Node> nodes = (List<Node>) cn.listNodes();
|
864
|
|
865
|
for ( Node node : nodes ) {
|
866
|
Subject nodeSubject = node.getSubject(0);
|
867
|
if (nodeSubject.getValue().equals(targetNodeSubject)) {
|
868
|
targetNode = node.getIdentifier();
|
869
|
|
870
|
}
|
871
|
}
|
872
|
|
873
|
|
874
|
//lock, get, and unlock the pid
|
875
|
HazelcastService.getInstance().getSystemMetadataMap().lock(pid);
|
876
|
sysmeta = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
|
877
|
List<Replica> replicaList = sysmeta.getReplicaList();
|
878
|
|
879
|
// find the replica with the status set to 'requested'
|
880
|
for (Replica replica : replicaList) {
|
881
|
ReplicationStatus status = replica.getReplicationStatus();
|
882
|
NodeReference listedNode = replica.getReplicaMemberNode();
|
883
|
if (listedNode.equals(targetNode)
|
884
|
&& status.equals(ReplicationStatus.REQUESTED)) {
|
885
|
isAllowed = true;
|
886
|
break;
|
887
|
|
888
|
}
|
889
|
}
|
890
|
|
891
|
HazelcastService.getInstance().getSystemMetadataMap().unlock(pid);
|
892
|
|
893
|
} catch(Exception e) {
|
894
|
// Catch Hazelcast RuntimeExceptions
|
895
|
throw new ServiceFailure("4872",
|
896
|
"Couldn't determine if node is allowed: " + e.getMessage());
|
897
|
|
898
|
} finally {
|
899
|
// always unlock the pid
|
900
|
HazelcastService.getInstance().getSystemMetadataMap().unlock(pid);
|
901
|
|
902
|
}
|
903
|
|
904
|
return isAllowed;
|
905
|
|
906
|
}
|
907
|
|
908
|
/**
|
909
|
* Adds a new object to the Node, where the object is either a data
|
910
|
* object or a science metadata object. This method is called by clients
|
911
|
* to create new data objects on Member Nodes or internally for Coordinating
|
912
|
* Nodes
|
913
|
*
|
914
|
* @param session - the Session object containing the credentials for the Subject
|
915
|
* @param pid - The object identifier to be created
|
916
|
* @param object - the object bytes
|
917
|
* @param sysmeta - the system metadata that describes the object
|
918
|
*
|
919
|
* @return pid - the object identifier created
|
920
|
*
|
921
|
* @throws InvalidToken
|
922
|
* @throws ServiceFailure
|
923
|
* @throws NotAuthorized
|
924
|
* @throws IdentifierNotUnique
|
925
|
* @throws UnsupportedType
|
926
|
* @throws InsufficientResources
|
927
|
* @throws InvalidSystemMetadata
|
928
|
* @throws NotImplemented
|
929
|
* @throws InvalidRequest
|
930
|
*/
|
931
|
public Identifier create(Session session, Identifier pid, InputStream object,
|
932
|
SystemMetadata sysmeta)
|
933
|
throws InvalidToken, ServiceFailure, NotAuthorized, IdentifierNotUnique,
|
934
|
UnsupportedType, InsufficientResources, InvalidSystemMetadata,
|
935
|
NotImplemented, InvalidRequest {
|
936
|
|
937
|
return pid;
|
938
|
|
939
|
}
|
940
|
|
941
|
}
|