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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.InputStream;
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import java.math.BigInteger;
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import java.util.ArrayList;
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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.concurrent.locks.Lock;
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import javax.servlet.http.HttpServletRequest;
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import org.apache.log4j.Logger;
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import org.dataone.client.v2.CNode;
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import org.dataone.client.v2.itk.D1Client;
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import org.dataone.client.v2.MNode;
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import org.dataone.service.cn.v2.CNAuthorization;
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import org.dataone.service.cn.v2.CNCore;
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import org.dataone.service.cn.v2.CNRead;
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import org.dataone.service.cn.v2.CNReplication;
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import org.dataone.service.exceptions.BaseException;
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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.exceptions.VersionMismatch;
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import org.dataone.service.types.v1.AccessPolicy;
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import org.dataone.service.types.v1.Checksum;
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import org.dataone.service.types.v1.ChecksumAlgorithmList;
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import org.dataone.service.types.v1.DescribeResponse;
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import org.dataone.service.types.v1.Event;
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import org.dataone.service.types.v1.Identifier;
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import org.dataone.service.types.v2.Log;
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import org.dataone.service.types.v2.Node;
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import org.dataone.service.types.v2.NodeList;
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import org.dataone.service.types.v1.NodeReference;
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import org.dataone.service.types.v1.NodeType;
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import org.dataone.service.types.v2.ObjectFormat;
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import org.dataone.service.types.v1.ObjectFormatIdentifier;
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import org.dataone.service.types.v2.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.v2.SystemMetadata;
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import org.dataone.service.types.v2.util.ServiceMethodRestrictionUtil;
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import org.dataone.service.types.v1_1.QueryEngineDescription;
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import org.dataone.service.types.v1_1.QueryEngineList;
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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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import edu.ucsb.nceas.metacat.index.MetacatSolrIndex;
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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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* @throws VersionMismatch
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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, long serialVersion)
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throws NotImplemented, NotFound, NotAuthorized, ServiceFailure,
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InvalidRequest, InvalidToken, VersionMismatch {
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// The lock to be used for this identifier
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Lock lock = null;
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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 "
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+ pid.getValue());
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}
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SystemMetadata systemMetadata = null;
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try {
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lock = HazelcastService.getInstance().getLock(pid.getValue());
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lock.lock();
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logMetacat.debug("Locked identifier " + pid.getValue());
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try {
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if ( HazelcastService.getInstance().getSystemMetadataMap().containsKey(pid) ) {
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systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
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}
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// did we get it correctly?
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if ( systemMetadata == null ) {
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throw new NotFound("4884", "Couldn't find an object identified by " + pid.getValue());
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}
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// does the request have the most current system metadata?
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if ( systemMetadata.getSerialVersion().longValue() != serialVersion ) {
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String msg = "The requested system metadata version number " +
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serialVersion + " differs from the current version at " +
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systemMetadata.getSerialVersion().longValue() +
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". Please get the latest copy in order to modify it.";
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throw new VersionMismatch("4886", msg);
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}
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} catch (RuntimeException 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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notifyReplicaNodes(systemMetadata);
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} catch (RuntimeException e) {
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throw new ServiceFailure("4882", e.getMessage());
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}
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} catch (RuntimeException e) {
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throw new ServiceFailure("4882", e.getMessage());
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} finally {
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lock.unlock();
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logMetacat.debug("Unlocked identifier " + pid.getValue());
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}
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return true;
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}
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/**
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* Deletes the replica from the given Member Node
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* NOTE: MN.delete() may be an "archive" operation. TBD.
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* @param session
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* @param pid
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* @param nodeId
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* @param serialVersion
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* @return
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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 NotImplemented
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* @throws VersionMismatch
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*/
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@Override
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public boolean deleteReplicationMetadata(Session session, Identifier pid, NodeReference nodeId, long serialVersion)
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throws InvalidToken, ServiceFailure, NotAuthorized, NotFound, NotImplemented, VersionMismatch {
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// The lock to be used for this identifier
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Lock lock = null;
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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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boolean isAuthorized = false;
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try {
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isAuthorized = isAuthorized(session, pid, Permission.WRITE);
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} catch (InvalidRequest e) {
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throw new ServiceFailure("4882", e.getDescription());
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}
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if (!isAuthorized) {
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throw new NotAuthorized("4881", Permission.WRITE
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+ " not allowed by " + subject.getValue() + " on "
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+ pid.getValue());
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250
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}
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SystemMetadata systemMetadata = null;
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try {
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lock = HazelcastService.getInstance().getLock(pid.getValue());
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lock.lock();
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logMetacat.debug("Locked identifier " + pid.getValue());
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try {
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if (HazelcastService.getInstance().getSystemMetadataMap().containsKey(pid)) {
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systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
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}
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263
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// did we get it correctly?
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if (systemMetadata == null) {
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throw new NotFound("4884", "Couldn't find an object identified by " + pid.getValue());
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267
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}
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268
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// does the request have the most current system metadata?
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if (systemMetadata.getSerialVersion().longValue() != serialVersion) {
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String msg = "The requested system metadata version number "
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+ serialVersion
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+ " differs from the current version at "
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+ systemMetadata.getSerialVersion().longValue()
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+ ". Please get the latest copy in order to modify it.";
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throw new VersionMismatch("4886", msg);
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277
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278
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}
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279
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280
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} catch (RuntimeException 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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282
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283
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}
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284
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285
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// check permissions
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286
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// TODO: is this necessary?
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287
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List<Node> nodeList = D1Client.getCN().listNodes().getNodeList();
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288
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boolean isAllowed = ServiceMethodRestrictionUtil.isMethodAllowed(session.getSubject(), nodeList, "CNReplication", "deleteReplicationMetadata");
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289
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if (!isAllowed) {
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throw new NotAuthorized("4881", "Caller is not authorized to deleteReplicationMetadata");
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291
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}
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292
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293
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// delete the replica from the given node
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// CSJ: use CN.delete() to truly delete a replica, semantically
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295
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// deleteReplicaMetadata() only modifies the sytem metadata entry.
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296
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//D1Client.getMN(nodeId).delete(session, pid);
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297
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298
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// reflect that change in the system metadata
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299
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List<Replica> updatedReplicas = new ArrayList<Replica>(systemMetadata.getReplicaList());
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300
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for (Replica r: systemMetadata.getReplicaList()) {
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301
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if (r.getReplicaMemberNode().equals(nodeId)) {
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302
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updatedReplicas.remove(r);
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303
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break;
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304
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}
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305
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}
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306
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systemMetadata.setReplicaList(updatedReplicas);
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307
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308
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// update the metadata
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309
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try {
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310
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systemMetadata.setSerialVersion(systemMetadata.getSerialVersion().add(BigInteger.ONE));
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311
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systemMetadata.setDateSysMetadataModified(Calendar.getInstance().getTime());
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312
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HazelcastService.getInstance().getSystemMetadataMap().put(systemMetadata.getIdentifier(), systemMetadata);
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313
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} catch (RuntimeException e) {
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314
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throw new ServiceFailure("4882", e.getMessage());
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315
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}
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316
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317
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} catch (RuntimeException e) {
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318
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throw new ServiceFailure("4882", e.getMessage());
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319
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} finally {
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320
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lock.unlock();
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321
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logMetacat.debug("Unlocked identifier " + pid.getValue());
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322
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}
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323
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324
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return true;
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325
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326
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}
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327
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328
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/**
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329
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* Deletes an object from the Coordinating Node
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330
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*
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331
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* @param session - the Session object containing the credentials for the Subject
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332
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* @param pid - The object identifier to be deleted
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333
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*
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334
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* @return pid - the identifier of the object used for the deletion
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335
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*
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|
336
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* @throws InvalidToken
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337
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* @throws ServiceFailure
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338
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* @throws NotAuthorized
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339
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* @throws NotFound
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340
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* @throws NotImplemented
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341
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* @throws InvalidRequest
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342
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*/
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343
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@Override
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344
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public Identifier delete(Session session, Identifier pid)
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345
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throws InvalidToken, ServiceFailure, NotAuthorized, NotFound, NotImplemented {
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346
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|
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347
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String localId = null; // The corresponding docid for this pid
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348
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Lock lock = null; // The lock to be used for this identifier
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349
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CNode cn = null; // a reference to the CN to get the node list
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350
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NodeType nodeType = null; // the nodeType of the replica node being contacted
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351
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List<Node> nodeList = null; // the list of nodes in this CN environment
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352
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|
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353
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// check for a valid session
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354
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if (session == null) {
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355
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throw new InvalidToken("4963", "No session has been provided");
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|
356
|
|
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357
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}
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358
|
|
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359
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// do we have a valid pid?
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|
360
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if (pid == null || pid.getValue().trim().equals("")) {
|
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361
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throw new ServiceFailure("4960", "The provided identifier was invalid.");
|
|
362
|
|
|
363
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}
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|
364
|
|
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365
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// check that it is CN/admin
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|
366
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boolean allowed = isAdminAuthorized(session);
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|
367
|
|
|
368
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// additional check if it is the authoritative node if it is not the admin
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|
369
|
if(!allowed) {
|
|
370
|
allowed = isAuthoritativeMNodeAdmin(session, pid);
|
|
371
|
|
|
372
|
}
|
|
373
|
|
|
374
|
if (!allowed) {
|
|
375
|
String msg = "The subject " + session.getSubject().getValue() +
|
|
376
|
" is not allowed to call delete() on a Coordinating Node.";
|
|
377
|
logMetacat.info(msg);
|
|
378
|
throw new NotAuthorized("4960", msg);
|
|
379
|
|
|
380
|
}
|
|
381
|
|
|
382
|
// Don't defer to superclass implementation without a locally registered identifier
|
|
383
|
|
|
384
|
// Check for the existing identifier
|
|
385
|
try {
|
|
386
|
localId = IdentifierManager.getInstance().getLocalId(pid.getValue());
|
|
387
|
super.delete(session, pid);
|
|
388
|
|
|
389
|
} catch (McdbDocNotFoundException e) {
|
|
390
|
// This object is not registered in the identifier table. Assume it is of formatType DATA,
|
|
391
|
// and set the archive flag. (i.e. the *object* doesn't exist on the CN)
|
|
392
|
|
|
393
|
try {
|
|
394
|
lock = HazelcastService.getInstance().getLock(pid.getValue());
|
|
395
|
lock.lock();
|
|
396
|
logMetacat.debug("Locked identifier " + pid.getValue());
|
|
397
|
|
|
398
|
SystemMetadata sysMeta = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
|
|
399
|
if ( sysMeta != null ) {
|
|
400
|
sysMeta.setSerialVersion(sysMeta.getSerialVersion().add(BigInteger.ONE));
|
|
401
|
sysMeta.setArchived(true);
|
|
402
|
sysMeta.setDateSysMetadataModified(Calendar.getInstance().getTime());
|
|
403
|
HazelcastService.getInstance().getSystemMetadataMap().put(pid, sysMeta);
|
|
404
|
|
|
405
|
} else {
|
|
406
|
throw new ServiceFailure("4962", "Couldn't delete the object " + pid.getValue() +
|
|
407
|
". Couldn't obtain the system metadata record.");
|
|
408
|
|
|
409
|
}
|
|
410
|
|
|
411
|
} catch (RuntimeException re) {
|
|
412
|
throw new ServiceFailure("4962", "Couldn't delete " + pid.getValue() +
|
|
413
|
". The error message was: " + re.getMessage());
|
|
414
|
|
|
415
|
} finally {
|
|
416
|
lock.unlock();
|
|
417
|
logMetacat.debug("Unlocked identifier " + pid.getValue());
|
|
418
|
|
|
419
|
}
|
|
420
|
|
|
421
|
// NOTE: cannot log the delete without localId
|
|
422
|
// EventLog.getInstance().log(request.getRemoteAddr(),
|
|
423
|
// request.getHeader("User-Agent"), session.getSubject().getValue(),
|
|
424
|
// pid.getValue(), Event.DELETE.xmlValue());
|
|
425
|
|
|
426
|
}
|
|
427
|
|
|
428
|
// get the node list
|
|
429
|
try {
|
|
430
|
cn = D1Client.getCN();
|
|
431
|
nodeList = cn.listNodes().getNodeList();
|
|
432
|
|
|
433
|
} catch (Exception e) { // handle BaseException and other I/O issues
|
|
434
|
|
|
435
|
// swallow errors since the call is not critical
|
|
436
|
logMetacat.error("Can't inform MNs of the deletion of " + pid.getValue() +
|
|
437
|
" due to communication issues with the CN: " + e.getMessage());
|
|
438
|
|
|
439
|
}
|
|
440
|
|
|
441
|
// notify the replicas
|
|
442
|
SystemMetadata systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
|
|
443
|
if (systemMetadata.getReplicaList() != null) {
|
|
444
|
for (Replica replica: systemMetadata.getReplicaList()) {
|
|
445
|
NodeReference replicaNode = replica.getReplicaMemberNode();
|
|
446
|
try {
|
|
447
|
if (nodeList != null) {
|
|
448
|
// find the node type
|
|
449
|
for (Node node : nodeList) {
|
|
450
|
if ( node.getIdentifier().getValue().equals(replicaNode.getValue()) ) {
|
|
451
|
nodeType = node.getType();
|
|
452
|
break;
|
|
453
|
|
|
454
|
}
|
|
455
|
}
|
|
456
|
}
|
|
457
|
|
|
458
|
// only send call MN.delete() to avoid an infinite loop with the CN
|
|
459
|
if (nodeType != null && nodeType == NodeType.MN) {
|
|
460
|
Identifier mnRetId = D1Client.getMN(replicaNode).delete(null, pid);
|
|
461
|
}
|
|
462
|
|
|
463
|
} catch (Exception e) {
|
|
464
|
// all we can really do is log errors and carry on with life
|
|
465
|
logMetacat.error("Error deleting pid: " + pid.getValue() +
|
|
466
|
" from replica MN: " + replicaNode.getValue(), e);
|
|
467
|
}
|
|
468
|
|
|
469
|
}
|
|
470
|
}
|
|
471
|
|
|
472
|
return pid;
|
|
473
|
|
|
474
|
}
|
|
475
|
|
|
476
|
/**
|
|
477
|
* Archives an object from the Coordinating Node
|
|
478
|
*
|
|
479
|
* @param session - the Session object containing the credentials for the Subject
|
|
480
|
* @param pid - The object identifier to be deleted
|
|
481
|
*
|
|
482
|
* @return pid - the identifier of the object used for the deletion
|
|
483
|
*
|
|
484
|
* @throws InvalidToken
|
|
485
|
* @throws ServiceFailure
|
|
486
|
* @throws NotAuthorized
|
|
487
|
* @throws NotFound
|
|
488
|
* @throws NotImplemented
|
|
489
|
* @throws InvalidRequest
|
|
490
|
*/
|
|
491
|
@Override
|
|
492
|
public Identifier archive(Session session, Identifier pid)
|
|
493
|
throws InvalidToken, ServiceFailure, NotAuthorized, NotFound, NotImplemented {
|
|
494
|
|
|
495
|
String localId = null; // The corresponding docid for this pid
|
|
496
|
Lock lock = null; // The lock to be used for this identifier
|
|
497
|
CNode cn = null; // a reference to the CN to get the node list
|
|
498
|
NodeType nodeType = null; // the nodeType of the replica node being contacted
|
|
499
|
List<Node> nodeList = null; // the list of nodes in this CN environment
|
|
500
|
|
|
501
|
|
|
502
|
// check for a valid session
|
|
503
|
if (session == null) {
|
|
504
|
throw new InvalidToken("4973", "No session has been provided");
|
|
505
|
|
|
506
|
}
|
|
507
|
|
|
508
|
// do we have a valid pid?
|
|
509
|
if (pid == null || pid.getValue().trim().equals("")) {
|
|
510
|
throw new ServiceFailure("4972", "The provided identifier was invalid.");
|
|
511
|
|
|
512
|
}
|
|
513
|
|
|
514
|
// check that it is CN/admin
|
|
515
|
boolean allowed = isAdminAuthorized(session);
|
|
516
|
|
|
517
|
//check if it is the authoritative member node
|
|
518
|
if(!allowed) {
|
|
519
|
allowed = isAuthoritativeMNodeAdmin(session, pid);
|
|
520
|
}
|
|
521
|
|
|
522
|
if (!allowed) {
|
|
523
|
String msg = "The subject " + session.getSubject().getValue() +
|
|
524
|
" is not allowed to call archive() on a Coordinating Node.";
|
|
525
|
logMetacat.info(msg);
|
|
526
|
throw new NotAuthorized("4970", msg);
|
|
527
|
}
|
|
528
|
|
|
529
|
// Check for the existing identifier
|
|
530
|
try {
|
|
531
|
localId = IdentifierManager.getInstance().getLocalId(pid.getValue());
|
|
532
|
super.archive(session, pid);
|
|
533
|
|
|
534
|
} catch (McdbDocNotFoundException e) {
|
|
535
|
// This object is not registered in the identifier table. Assume it is of formatType DATA,
|
|
536
|
// and set the archive flag. (i.e. the *object* doesn't exist on the CN)
|
|
537
|
|
|
538
|
try {
|
|
539
|
lock = HazelcastService.getInstance().getLock(pid.getValue());
|
|
540
|
lock.lock();
|
|
541
|
logMetacat.debug("Locked identifier " + pid.getValue());
|
|
542
|
|
|
543
|
SystemMetadata sysMeta = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
|
|
544
|
if ( sysMeta != null ) {
|
|
545
|
sysMeta.setSerialVersion(sysMeta.getSerialVersion().add(BigInteger.ONE));
|
|
546
|
sysMeta.setArchived(true);
|
|
547
|
sysMeta.setDateSysMetadataModified(Calendar.getInstance().getTime());
|
|
548
|
HazelcastService.getInstance().getSystemMetadataMap().put(pid, sysMeta);
|
|
549
|
// notify the replicas
|
|
550
|
notifyReplicaNodes(sysMeta);
|
|
551
|
|
|
552
|
} else {
|
|
553
|
throw new ServiceFailure("4972", "Couldn't archive the object " + pid.getValue() +
|
|
554
|
". Couldn't obtain the system metadata record.");
|
|
555
|
|
|
556
|
}
|
|
557
|
|
|
558
|
} catch (RuntimeException re) {
|
|
559
|
throw new ServiceFailure("4972", "Couldn't archive " + pid.getValue() +
|
|
560
|
". The error message was: " + re.getMessage());
|
|
561
|
|
|
562
|
} finally {
|
|
563
|
lock.unlock();
|
|
564
|
logMetacat.debug("Unlocked identifier " + pid.getValue());
|
|
565
|
|
|
566
|
}
|
|
567
|
|
|
568
|
// NOTE: cannot log the archive without localId
|
|
569
|
// EventLog.getInstance().log(request.getRemoteAddr(),
|
|
570
|
// request.getHeader("User-Agent"), session.getSubject().getValue(),
|
|
571
|
// pid.getValue(), Event.DELETE.xmlValue());
|
|
572
|
|
|
573
|
}
|
|
574
|
|
|
575
|
return pid;
|
|
576
|
|
|
577
|
}
|
|
578
|
|
|
579
|
/**
|
|
580
|
* Set the obsoletedBy attribute in System Metadata
|
|
581
|
* @param session
|
|
582
|
* @param pid
|
|
583
|
* @param obsoletedByPid
|
|
584
|
* @param serialVersion
|
|
585
|
* @return
|
|
586
|
* @throws NotImplemented
|
|
587
|
* @throws NotFound
|
|
588
|
* @throws NotAuthorized
|
|
589
|
* @throws ServiceFailure
|
|
590
|
* @throws InvalidRequest
|
|
591
|
* @throws InvalidToken
|
|
592
|
* @throws VersionMismatch
|
|
593
|
*/
|
|
594
|
@Override
|
|
595
|
public boolean setObsoletedBy(Session session, Identifier pid,
|
|
596
|
Identifier obsoletedByPid, long serialVersion)
|
|
597
|
throws NotImplemented, NotFound, NotAuthorized, ServiceFailure,
|
|
598
|
InvalidRequest, InvalidToken, VersionMismatch {
|
|
599
|
|
|
600
|
// The lock to be used for this identifier
|
|
601
|
Lock lock = null;
|
|
602
|
|
|
603
|
// get the subject
|
|
604
|
Subject subject = session.getSubject();
|
|
605
|
|
|
606
|
// are we allowed to do this?
|
|
607
|
if (!isAuthorized(session, pid, Permission.WRITE)) {
|
|
608
|
throw new NotAuthorized("4881", Permission.WRITE
|
|
609
|
+ " not allowed by " + subject.getValue() + " on "
|
|
610
|
+ pid.getValue());
|
|
611
|
|
|
612
|
}
|
|
613
|
|
|
614
|
|
|
615
|
SystemMetadata systemMetadata = null;
|
|
616
|
try {
|
|
617
|
lock = HazelcastService.getInstance().getLock(pid.getValue());
|
|
618
|
lock.lock();
|
|
619
|
logMetacat.debug("Locked identifier " + pid.getValue());
|
|
620
|
|
|
621
|
try {
|
|
622
|
if (HazelcastService.getInstance().getSystemMetadataMap().containsKey(pid)) {
|
|
623
|
systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
|
|
624
|
}
|
|
625
|
|
|
626
|
// did we get it correctly?
|
|
627
|
if (systemMetadata == null) {
|
|
628
|
throw new NotFound("4884", "Couldn't find an object identified by " + pid.getValue());
|
|
629
|
}
|
|
630
|
|
|
631
|
// does the request have the most current system metadata?
|
|
632
|
if (systemMetadata.getSerialVersion().longValue() != serialVersion) {
|
|
633
|
String msg = "The requested system metadata version number "
|
|
634
|
+ serialVersion
|
|
635
|
+ " differs from the current version at "
|
|
636
|
+ systemMetadata.getSerialVersion().longValue()
|
|
637
|
+ ". Please get the latest copy in order to modify it.";
|
|
638
|
throw new VersionMismatch("4886", msg);
|
|
639
|
|
|
640
|
}
|
|
641
|
|
|
642
|
} catch (RuntimeException e) { // Catch is generic since HZ throws RuntimeException
|
|
643
|
throw new NotFound("4884", "No record found for: " + pid.getValue());
|
|
644
|
|
|
645
|
}
|
|
646
|
|
|
647
|
// set the new policy
|
|
648
|
systemMetadata.setObsoletedBy(obsoletedByPid);
|
|
649
|
|
|
650
|
// update the metadata
|
|
651
|
try {
|
|
652
|
systemMetadata.setSerialVersion(systemMetadata.getSerialVersion().add(BigInteger.ONE));
|
|
653
|
systemMetadata.setDateSysMetadataModified(Calendar.getInstance().getTime());
|
|
654
|
HazelcastService.getInstance().getSystemMetadataMap().put(systemMetadata.getIdentifier(), systemMetadata);
|
|
655
|
} catch (RuntimeException e) {
|
|
656
|
throw new ServiceFailure("4882", e.getMessage());
|
|
657
|
}
|
|
658
|
|
|
659
|
} catch (RuntimeException e) {
|
|
660
|
throw new ServiceFailure("4882", e.getMessage());
|
|
661
|
} finally {
|
|
662
|
lock.unlock();
|
|
663
|
logMetacat.debug("Unlocked identifier " + pid.getValue());
|
|
664
|
}
|
|
665
|
|
|
666
|
return true;
|
|
667
|
}
|
|
668
|
|
|
669
|
|
|
670
|
/**
|
|
671
|
* Set the replication status for an object given the object identifier
|
|
672
|
*
|
|
673
|
* @param session - the Session object containing the credentials for the Subject
|
|
674
|
* @param pid - the object identifier for the given object
|
|
675
|
* @param status - the replication status to be applied
|
|
676
|
*
|
|
677
|
* @return true or false
|
|
678
|
*
|
|
679
|
* @throws NotImplemented
|
|
680
|
* @throws NotAuthorized
|
|
681
|
* @throws ServiceFailure
|
|
682
|
* @throws InvalidRequest
|
|
683
|
* @throws InvalidToken
|
|
684
|
* @throws NotFound
|
|
685
|
*
|
|
686
|
*/
|
|
687
|
@Override
|
|
688
|
public boolean setReplicationStatus(Session session, Identifier pid,
|
|
689
|
NodeReference targetNode, ReplicationStatus status, BaseException failure)
|
|
690
|
throws ServiceFailure, NotImplemented, InvalidToken, NotAuthorized,
|
|
691
|
InvalidRequest, NotFound {
|
|
692
|
|
|
693
|
// cannot be called by public
|
|
694
|
if (session == null) {
|
|
695
|
throw new NotAuthorized("4720", "Session cannot be null");
|
|
696
|
}
|
|
697
|
|
|
698
|
// The lock to be used for this identifier
|
|
699
|
Lock lock = null;
|
|
700
|
|
|
701
|
boolean allowed = false;
|
|
702
|
int replicaEntryIndex = -1;
|
|
703
|
List<Replica> replicas = null;
|
|
704
|
// get the subject
|
|
705
|
Subject subject = session.getSubject();
|
|
706
|
logMetacat.debug("ReplicationStatus for identifier " + pid.getValue() +
|
|
707
|
" is " + status.toString());
|
|
708
|
|
|
709
|
SystemMetadata systemMetadata = null;
|
|
710
|
|
|
711
|
try {
|
|
712
|
lock = HazelcastService.getInstance().getLock(pid.getValue());
|
|
713
|
lock.lock();
|
|
714
|
logMetacat.debug("Locked identifier " + pid.getValue());
|
|
715
|
|
|
716
|
try {
|
|
717
|
systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
|
|
718
|
|
|
719
|
// did we get it correctly?
|
|
720
|
if ( systemMetadata == null ) {
|
|
721
|
logMetacat.debug("systemMetadata is null for " + pid.getValue());
|
|
722
|
throw new NotFound("4740", "Couldn't find an object identified by " + pid.getValue());
|
|
723
|
|
|
724
|
}
|
|
725
|
replicas = systemMetadata.getReplicaList();
|
|
726
|
int count = 0;
|
|
727
|
|
|
728
|
// was there a failure? log it
|
|
729
|
if ( failure != null && status.equals(ReplicationStatus.FAILED) ) {
|
|
730
|
String msg = "The replication request of the object identified by " +
|
|
731
|
pid.getValue() + " failed. The error message was " +
|
|
732
|
failure.getMessage() + ".";
|
|
733
|
}
|
|
734
|
|
|
735
|
if (replicas.size() > 0 && replicas != null) {
|
|
736
|
// find the target replica index in the replica list
|
|
737
|
for (Replica replica : replicas) {
|
|
738
|
String replicaNodeStr = replica.getReplicaMemberNode().getValue();
|
|
739
|
String targetNodeStr = targetNode.getValue();
|
|
740
|
logMetacat.debug("Comparing " + replicaNodeStr + " to " + targetNodeStr);
|
|
741
|
|
|
742
|
if (replicaNodeStr.equals(targetNodeStr)) {
|
|
743
|
replicaEntryIndex = count;
|
|
744
|
logMetacat.debug("replica entry index is: "
|
|
745
|
+ replicaEntryIndex);
|
|
746
|
break;
|
|
747
|
}
|
|
748
|
count++;
|
|
749
|
|
|
750
|
}
|
|
751
|
}
|
|
752
|
// are we allowed to do this? only CNs and target MNs are allowed
|
|
753
|
CNode cn = D1Client.getCN();
|
|
754
|
List<Node> nodes = cn.listNodes().getNodeList();
|
|
755
|
|
|
756
|
// find the node in the node list
|
|
757
|
for ( Node node : nodes ) {
|
|
758
|
|
|
759
|
NodeReference nodeReference = node.getIdentifier();
|
|
760
|
logMetacat.debug("In setReplicationStatus(), Node reference is: " +
|
|
761
|
nodeReference.getValue());
|
|
762
|
|
|
763
|
// allow target MN certs
|
|
764
|
if ( targetNode.getValue().equals(nodeReference.getValue() ) &&
|
|
765
|
node.getType().equals(NodeType.MN)) {
|
|
766
|
List<Subject> nodeSubjects = node.getSubjectList();
|
|
767
|
|
|
768
|
// check if the session subject is in the node subject list
|
|
769
|
for (Subject nodeSubject : nodeSubjects) {
|
|
770
|
logMetacat.debug("In setReplicationStatus(), comparing subjects: " +
|
|
771
|
nodeSubject.getValue() + " and " + subject.getValue());
|
|
772
|
if ( nodeSubject.equals(subject) ) { // subject of session == target node subject
|
|
773
|
|
|
774
|
// lastly limit to COMPLETED, INVALIDATED,
|
|
775
|
// and FAILED status updates from MNs only
|
|
776
|
if ( status.equals(ReplicationStatus.COMPLETED) ||
|
|
777
|
status.equals(ReplicationStatus.INVALIDATED) ||
|
|
778
|
status.equals(ReplicationStatus.FAILED)) {
|
|
779
|
allowed = true;
|
|
780
|
break;
|
|
781
|
|
|
782
|
}
|
|
783
|
}
|
|
784
|
}
|
|
785
|
}
|
|
786
|
}
|
|
787
|
|
|
788
|
if ( !allowed ) {
|
|
789
|
//check for CN admin access
|
|
790
|
allowed = isAuthorized(session, pid, Permission.WRITE);
|
|
791
|
|
|
792
|
}
|
|
793
|
|
|
794
|
if ( !allowed ) {
|
|
795
|
String msg = "The subject identified by "
|
|
796
|
+ subject.getValue()
|
|
797
|
+ " does not have permission to set the replication status for "
|
|
798
|
+ "the replica identified by "
|
|
799
|
+ targetNode.getValue() + ".";
|
|
800
|
logMetacat.info(msg);
|
|
801
|
throw new NotAuthorized("4720", msg);
|
|
802
|
|
|
803
|
}
|
|
804
|
|
|
805
|
} catch (RuntimeException e) { // Catch is generic since HZ throws RuntimeException
|
|
806
|
throw new NotFound("4740", "No record found for: " + pid.getValue() +
|
|
807
|
" : " + e.getMessage());
|
|
808
|
|
|
809
|
}
|
|
810
|
|
|
811
|
Replica targetReplica = new Replica();
|
|
812
|
// set the status for the replica
|
|
813
|
if ( replicaEntryIndex != -1 ) {
|
|
814
|
targetReplica = replicas.get(replicaEntryIndex);
|
|
815
|
|
|
816
|
// don't allow status to change from COMPLETED to anything other
|
|
817
|
// than INVALIDATED: prevents overwrites from race conditions
|
|
818
|
if ( targetReplica.getReplicationStatus().equals(ReplicationStatus.COMPLETED) &&
|
|
819
|
!status.equals(ReplicationStatus.INVALIDATED)) {
|
|
820
|
throw new InvalidRequest("4730", "Status state change from " +
|
|
821
|
targetReplica.getReplicationStatus() + " to " +
|
|
822
|
status.toString() + "is prohibited for identifier " +
|
|
823
|
pid.getValue() + " and target node " +
|
|
824
|
targetReplica.getReplicaMemberNode().getValue());
|
|
825
|
}
|
|
826
|
|
|
827
|
targetReplica.setReplicationStatus(status);
|
|
828
|
|
|
829
|
logMetacat.debug("Set the replication status for " +
|
|
830
|
targetReplica.getReplicaMemberNode().getValue() + " to " +
|
|
831
|
targetReplica.getReplicationStatus() + " for identifier " +
|
|
832
|
pid.getValue());
|
|
833
|
|
|
834
|
} else {
|
|
835
|
// this is a new entry, create it
|
|
836
|
targetReplica.setReplicaMemberNode(targetNode);
|
|
837
|
targetReplica.setReplicationStatus(status);
|
|
838
|
targetReplica.setReplicaVerified(Calendar.getInstance().getTime());
|
|
839
|
replicas.add(targetReplica);
|
|
840
|
|
|
841
|
}
|
|
842
|
|
|
843
|
systemMetadata.setReplicaList(replicas);
|
|
844
|
|
|
845
|
// update the metadata
|
|
846
|
try {
|
|
847
|
systemMetadata.setSerialVersion(systemMetadata.getSerialVersion().add(BigInteger.ONE));
|
|
848
|
systemMetadata.setDateSysMetadataModified(Calendar.getInstance().getTime());
|
|
849
|
HazelcastService.getInstance().getSystemMetadataMap().put(systemMetadata.getIdentifier(), systemMetadata);
|
|
850
|
|
|
851
|
if ( !status.equals(ReplicationStatus.QUEUED) &&
|
|
852
|
!status.equals(ReplicationStatus.REQUESTED)) {
|
|
853
|
|
|
854
|
logMetacat.trace("METRICS:\tREPLICATION:\tEND REQUEST:\tPID:\t" + pid.getValue() +
|
|
855
|
"\tNODE:\t" + targetNode.getValue() +
|
|
856
|
"\tSIZE:\t" + systemMetadata.getSize().intValue());
|
|
857
|
|
|
858
|
logMetacat.trace("METRICS:\tREPLICATION:\t" + status.toString().toUpperCase() +
|
|
859
|
"\tPID:\t" + pid.getValue() +
|
|
860
|
"\tNODE:\t" + targetNode.getValue() +
|
|
861
|
"\tSIZE:\t" + systemMetadata.getSize().intValue());
|
|
862
|
}
|
|
863
|
|
|
864
|
if ( status.equals(ReplicationStatus.FAILED) && failure != null ) {
|
|
865
|
logMetacat.warn("Replication failed for identifier " + pid.getValue() +
|
|
866
|
" on target node " + targetNode + ". The exception was: " +
|
|
867
|
failure.getMessage());
|
|
868
|
}
|
|
869
|
|
|
870
|
// update the replica nodes about the completed replica when complete
|
|
871
|
if (status.equals(ReplicationStatus.COMPLETED)) {
|
|
872
|
notifyReplicaNodes(systemMetadata);
|
|
873
|
}
|
|
874
|
|
|
875
|
} catch (RuntimeException e) {
|
|
876
|
throw new ServiceFailure("4700", e.getMessage());
|
|
877
|
|
|
878
|
}
|
|
879
|
|
|
880
|
} catch (RuntimeException e) {
|
|
881
|
String msg = "There was a RuntimeException getting the lock for " +
|
|
882
|
pid.getValue();
|
|
883
|
logMetacat.info(msg);
|
|
884
|
|
|
885
|
} finally {
|
|
886
|
lock.unlock();
|
|
887
|
logMetacat.debug("Unlocked identifier " + pid.getValue());
|
|
888
|
|
|
889
|
}
|
|
890
|
|
|
891
|
return true;
|
|
892
|
}
|
|
893
|
|
|
894
|
/**
|
|
895
|
* Return the checksum of the object given the identifier
|
|
896
|
*
|
|
897
|
* @param session - the Session object containing the credentials for the Subject
|
|
898
|
* @param pid - the object identifier for the given object
|
|
899
|
*
|
|
900
|
* @return checksum - the checksum of the object
|
|
901
|
*
|
|
902
|
* @throws InvalidToken
|
|
903
|
* @throws ServiceFailure
|
|
904
|
* @throws NotAuthorized
|
|
905
|
* @throws NotFound
|
|
906
|
* @throws NotImplemented
|
|
907
|
*/
|
|
908
|
@Override
|
|
909
|
public Checksum getChecksum(Session session, Identifier pid)
|
|
910
|
throws InvalidToken, ServiceFailure, NotAuthorized, NotFound,
|
|
911
|
NotImplemented {
|
|
912
|
|
|
913
|
boolean isAuthorized = false;
|
|
914
|
try {
|
|
915
|
isAuthorized = isAuthorized(session, pid, Permission.READ);
|
|
916
|
} catch (InvalidRequest e) {
|
|
917
|
throw new ServiceFailure("1410", e.getDescription());
|
|
918
|
}
|
|
919
|
if (!isAuthorized) {
|
|
920
|
throw new NotAuthorized("1400", Permission.READ + " not allowed on " + pid.getValue());
|
|
921
|
}
|
|
922
|
|
|
923
|
SystemMetadata systemMetadata = null;
|
|
924
|
Checksum checksum = null;
|
|
925
|
|
|
926
|
try {
|
|
927
|
systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
|
|
928
|
|
|
929
|
if (systemMetadata == null ) {
|
|
930
|
throw new NotFound("1420", "Couldn't find an object identified by " + pid.getValue());
|
|
931
|
}
|
|
932
|
checksum = systemMetadata.getChecksum();
|
|
933
|
|
|
934
|
} catch (RuntimeException e) {
|
|
935
|
throw new ServiceFailure("1410", "An error occurred getting the checksum for " +
|
|
936
|
pid.getValue() + ". The error message was: " + e.getMessage());
|
|
937
|
|
|
938
|
}
|
|
939
|
|
|
940
|
return checksum;
|
|
941
|
}
|
|
942
|
|
|
943
|
/**
|
|
944
|
* Resolve the location of a given object
|
|
945
|
*
|
|
946
|
* @param session - the Session object containing the credentials for the Subject
|
|
947
|
* @param pid - the object identifier for the given object
|
|
948
|
*
|
|
949
|
* @return objectLocationList - the list of nodes known to contain the object
|
|
950
|
*
|
|
951
|
* @throws InvalidToken
|
|
952
|
* @throws ServiceFailure
|
|
953
|
* @throws NotAuthorized
|
|
954
|
* @throws NotFound
|
|
955
|
* @throws NotImplemented
|
|
956
|
*/
|
|
957
|
@Override
|
|
958
|
public ObjectLocationList resolve(Session session, Identifier pid)
|
|
959
|
throws InvalidToken, ServiceFailure, NotAuthorized,
|
|
960
|
NotFound, NotImplemented {
|
|
961
|
|
|
962
|
throw new NotImplemented("4131", "resolve not implemented");
|
|
963
|
|
|
964
|
}
|
|
965
|
|
|
966
|
/**
|
|
967
|
* Metacat does not implement this method at the CN level
|
|
968
|
*/
|
|
969
|
@Override
|
|
970
|
public ObjectList search(Session session, String queryType, String query)
|
|
971
|
throws InvalidToken, ServiceFailure, NotAuthorized, InvalidRequest,
|
|
972
|
NotImplemented {
|
|
973
|
|
|
974
|
throw new NotImplemented("4281", "Metacat does not implement CN.search");
|
|
975
|
|
|
976
|
// ObjectList objectList = null;
|
|
977
|
// try {
|
|
978
|
// objectList =
|
|
979
|
// IdentifierManager.getInstance().querySystemMetadata(
|
|
980
|
// null, //startTime,
|
|
981
|
// null, //endTime,
|
|
982
|
// null, //objectFormat,
|
|
983
|
// false, //replicaStatus,
|
|
984
|
// 0, //start,
|
|
985
|
// 1000 //count
|
|
986
|
// );
|
|
987
|
//
|
|
988
|
// } catch (Exception e) {
|
|
989
|
// throw new ServiceFailure("4310", "Error querying system metadata: " + e.getMessage());
|
|
990
|
// }
|
|
991
|
//
|
|
992
|
// return objectList;
|
|
993
|
|
|
994
|
}
|
|
995
|
|
|
996
|
/**
|
|
997
|
* Returns the object format registered in the DataONE Object Format
|
|
998
|
* Vocabulary for the given format identifier
|
|
999
|
*
|
|
1000
|
* @param fmtid - the identifier of the format requested
|
|
1001
|
*
|
|
1002
|
* @return objectFormat - the object format requested
|
|
1003
|
*
|
|
1004
|
* @throws ServiceFailure
|
|
1005
|
* @throws NotFound
|
|
1006
|
* @throws InsufficientResources
|
|
1007
|
* @throws NotImplemented
|
|
1008
|
*/
|
|
1009
|
@Override
|
|
1010
|
public ObjectFormat getFormat(ObjectFormatIdentifier fmtid)
|
|
1011
|
throws ServiceFailure, NotFound, NotImplemented {
|
|
1012
|
|
|
1013
|
return ObjectFormatService.getInstance().getFormat(fmtid);
|
|
1014
|
|
|
1015
|
}
|
|
1016
|
|
|
1017
|
/**
|
|
1018
|
* Returns a list of all object formats registered in the DataONE Object
|
|
1019
|
* Format Vocabulary
|
|
1020
|
*
|
|
1021
|
* @return objectFormatList - The list of object formats registered in
|
|
1022
|
* the DataONE Object Format Vocabulary
|
|
1023
|
*
|
|
1024
|
* @throws ServiceFailure
|
|
1025
|
* @throws NotImplemented
|
|
1026
|
* @throws InsufficientResources
|
|
1027
|
*/
|
|
1028
|
@Override
|
|
1029
|
public ObjectFormatList listFormats()
|
|
1030
|
throws ServiceFailure, NotImplemented {
|
|
1031
|
|
|
1032
|
return ObjectFormatService.getInstance().listFormats();
|
|
1033
|
}
|
|
1034
|
|
|
1035
|
/**
|
|
1036
|
* Returns a list of nodes that have been registered with the DataONE infrastructure
|
|
1037
|
*
|
|
1038
|
* @return nodeList - List of nodes from the registry
|
|
1039
|
*
|
|
1040
|
* @throws ServiceFailure
|
|
1041
|
* @throws NotImplemented
|
|
1042
|
*/
|
|
1043
|
@Override
|
|
1044
|
public NodeList listNodes()
|
|
1045
|
throws NotImplemented, ServiceFailure {
|
|
1046
|
|
|
1047
|
throw new NotImplemented("4800", "listNodes not implemented");
|
|
1048
|
}
|
|
1049
|
|
|
1050
|
/**
|
|
1051
|
* Provides a mechanism for adding system metadata independently of its
|
|
1052
|
* associated object, such as when adding system metadata for data objects.
|
|
1053
|
*
|
|
1054
|
* @param session - the Session object containing the credentials for the Subject
|
|
1055
|
* @param pid - The identifier of the object to register the system metadata against
|
|
1056
|
* @param sysmeta - The system metadata to be registered
|
|
1057
|
*
|
|
1058
|
* @return true if the registration succeeds
|
|
1059
|
*
|
|
1060
|
* @throws NotImplemented
|
|
1061
|
* @throws NotAuthorized
|
|
1062
|
* @throws ServiceFailure
|
|
1063
|
* @throws InvalidRequest
|
|
1064
|
* @throws InvalidSystemMetadata
|
|
1065
|
*/
|
|
1066
|
@Override
|
|
1067
|
public Identifier registerSystemMetadata(Session session, Identifier pid,
|
|
1068
|
SystemMetadata sysmeta)
|
|
1069
|
throws NotImplemented, NotAuthorized, ServiceFailure, InvalidRequest,
|
|
1070
|
InvalidSystemMetadata {
|
|
1071
|
|
|
1072
|
// The lock to be used for this identifier
|
|
1073
|
Lock lock = null;
|
|
1074
|
|
|
1075
|
// TODO: control who can call this?
|
|
1076
|
if (session == null) {
|
|
1077
|
//TODO: many of the thrown exceptions do not use the correct error codes
|
|
1078
|
//check these against the docs and correct them
|
|
1079
|
throw new NotAuthorized("4861", "No Session - could not authorize for registration." +
|
|
1080
|
" If you are not logged in, please do so and retry the request.");
|
|
1081
|
}
|
|
1082
|
|
|
1083
|
// verify that guid == SystemMetadata.getIdentifier()
|
|
1084
|
logMetacat.debug("Comparing guid|sysmeta_guid: " + pid.getValue() +
|
|
1085
|
"|" + sysmeta.getIdentifier().getValue());
|
|
1086
|
if (!pid.getValue().equals(sysmeta.getIdentifier().getValue())) {
|
|
1087
|
throw new InvalidRequest("4863",
|
|
1088
|
"The identifier in method call (" + pid.getValue() +
|
|
1089
|
") does not match identifier in system metadata (" +
|
|
1090
|
sysmeta.getIdentifier().getValue() + ").");
|
|
1091
|
}
|
|
1092
|
|
|
1093
|
try {
|
|
1094
|
lock = HazelcastService.getInstance().getLock(sysmeta.getIdentifier().getValue());
|
|
1095
|
lock.lock();
|
|
1096
|
logMetacat.debug("Locked identifier " + pid.getValue());
|
|
1097
|
logMetacat.debug("Checking if identifier exists...");
|
|
1098
|
// Check that the identifier does not already exist
|
|
1099
|
if (HazelcastService.getInstance().getSystemMetadataMap().containsKey(pid)) {
|
|
1100
|
throw new InvalidRequest("4863",
|
|
1101
|
"The identifier is already in use by an existing object.");
|
|
1102
|
|
|
1103
|
}
|
|
1104
|
|
|
1105
|
// insert the system metadata into the object store
|
|
1106
|
logMetacat.debug("Starting to insert SystemMetadata...");
|
|
1107
|
try {
|
|
1108
|
sysmeta.setSerialVersion(BigInteger.ONE);
|
|
1109
|
sysmeta.setDateSysMetadataModified(Calendar.getInstance().getTime());
|
|
1110
|
HazelcastService.getInstance().getSystemMetadataMap().put(sysmeta.getIdentifier(), sysmeta);
|
|
1111
|
|
|
1112
|
} catch (RuntimeException e) {
|
|
1113
|
logMetacat.error("Problem registering system metadata: " + pid.getValue(), e);
|
|
1114
|
throw new ServiceFailure("4862", "Error inserting system metadata: " +
|
|
1115
|
e.getClass() + ": " + e.getMessage());
|
|
1116
|
|
|
1117
|
}
|
|
1118
|
|
|
1119
|
} catch (RuntimeException e) {
|
|
1120
|
throw new ServiceFailure("4862", "Error inserting system metadata: " +
|
|
1121
|
e.getClass() + ": " + e.getMessage());
|
|
1122
|
|
|
1123
|
} finally {
|
|
1124
|
lock.unlock();
|
|
1125
|
logMetacat.debug("Unlocked identifier " + pid.getValue());
|
|
1126
|
|
|
1127
|
}
|
|
1128
|
|
|
1129
|
|
|
1130
|
logMetacat.debug("Returning from registerSystemMetadata");
|
|
1131
|
|
|
1132
|
try {
|
|
1133
|
String localId = IdentifierManager.getInstance().getLocalId(pid.getValue());
|
|
1134
|
EventLog.getInstance().log(request.getRemoteAddr(),
|
|
1135
|
request.getHeader("User-Agent"), session.getSubject().getValue(),
|
|
1136
|
localId, "registerSystemMetadata");
|
|
1137
|
} catch (McdbDocNotFoundException e) {
|
|
1138
|
// do nothing, no localId to log with
|
|
1139
|
logMetacat.warn("Could not log 'registerSystemMetadata' event because no localId was found for pid: " + pid.getValue());
|
|
1140
|
}
|
|
1141
|
|
|
1142
|
|
|
1143
|
return pid;
|
|
1144
|
}
|
|
1145
|
|
|
1146
|
/**
|
|
1147
|
* Given an optional scope and format, reserves and returns an identifier
|
|
1148
|
* within that scope and format that is unique and will not be
|
|
1149
|
* used by any other sessions.
|
|
1150
|
*
|
|
1151
|
* @param session - the Session object containing the credentials for the Subject
|
|
1152
|
* @param pid - The identifier of the object to register the system metadata against
|
|
1153
|
* @param scope - An optional string to be used to qualify the scope of
|
|
1154
|
* the identifier namespace, which is applied differently
|
|
1155
|
* depending on the format requested. If scope is not
|
|
1156
|
* supplied, a default scope will be used.
|
|
1157
|
* @param format - The optional name of the identifier format to be used,
|
|
1158
|
* drawn from a DataONE-specific vocabulary of identifier
|
|
1159
|
* format names, including several common syntaxes such
|
|
1160
|
* as DOI, LSID, UUID, and LSRN, among others. If the
|
|
1161
|
* format is not supplied by the caller, the CN service
|
|
1162
|
* will use a default identifier format, which may change
|
|
1163
|
* over time.
|
|
1164
|
*
|
|
1165
|
* @return true if the registration succeeds
|
|
1166
|
*
|
|
1167
|
* @throws InvalidToken
|
|
1168
|
* @throws ServiceFailure
|
|
1169
|
* @throws NotAuthorized
|
|
1170
|
* @throws IdentifierNotUnique
|
|
1171
|
* @throws NotImplemented
|
|
1172
|
*/
|
|
1173
|
@Override
|
|
1174
|
public Identifier reserveIdentifier(Session session, Identifier pid)
|
|
1175
|
throws InvalidToken, ServiceFailure,
|
|
1176
|
NotAuthorized, IdentifierNotUnique, NotImplemented, InvalidRequest {
|
|
1177
|
|
|
1178
|
throw new NotImplemented("4191", "reserveIdentifier not implemented on this node");
|
|
1179
|
}
|
|
1180
|
|
|
1181
|
@Override
|
|
1182
|
public Identifier generateIdentifier(Session session, String scheme, String fragment)
|
|
1183
|
throws InvalidToken, ServiceFailure,
|
|
1184
|
NotAuthorized, NotImplemented, InvalidRequest {
|
|
1185
|
throw new NotImplemented("4191", "generateIdentifier not implemented on this node");
|
|
1186
|
}
|
|
1187
|
|
|
1188
|
/**
|
|
1189
|
* Checks whether the pid is reserved by the subject in the session param
|
|
1190
|
* If the reservation is held on the pid by the subject, we return true.
|
|
1191
|
*
|
|
1192
|
* @param session - the Session object containing the Subject
|
|
1193
|
* @param pid - The identifier to check
|
|
1194
|
*
|
|
1195
|
* @return true if the reservation exists for the subject/pid
|
|
1196
|
*
|
|
1197
|
* @throws InvalidToken
|
|
1198
|
* @throws ServiceFailure
|
|
1199
|
* @throws NotFound - when the pid is not found (in use or in reservation)
|
|
1200
|
* @throws NotAuthorized - when the subject does not hold a reservation on the pid
|
|
1201
|
* @throws IdentifierNotUnique - when the pid is in use
|
|
1202
|
* @throws NotImplemented
|
|
1203
|
*/
|
|
1204
|
|
|
1205
|
@Override
|
|
1206
|
public boolean hasReservation(Session session, Subject subject, Identifier pid)
|
|
1207
|
throws InvalidToken, ServiceFailure, NotFound, NotAuthorized, IdentifierNotUnique,
|
|
1208
|
NotImplemented, InvalidRequest {
|
|
1209
|
|
|
1210
|
throw new NotImplemented("4191", "hasReservation not implemented on this node");
|
|
1211
|
}
|
|
1212
|
|
|
1213
|
/**
|
|
1214
|
* Changes ownership (RightsHolder) of the specified object to the
|
|
1215
|
* subject specified by userId
|
|
1216
|
*
|
|
1217
|
* @param session - the Session object containing the credentials for the Subject
|
|
1218
|
* @param pid - Identifier of the object to be modified
|
|
1219
|
* @param userId - The subject that will be taking ownership of the specified object.
|
|
1220
|
*
|
|
1221
|
* @return pid - the identifier of the modified object
|
|
1222
|
*
|
|
1223
|
* @throws ServiceFailure
|
|
1224
|
* @throws InvalidToken
|
|
1225
|
* @throws NotFound
|
|
1226
|
* @throws NotAuthorized
|
|
1227
|
* @throws NotImplemented
|
|
1228
|
* @throws InvalidRequest
|
|
1229
|
*/
|
|
1230
|
@Override
|
|
1231
|
public Identifier setRightsHolder(Session session, Identifier pid, Subject userId,
|
|
1232
|
long serialVersion)
|
|
1233
|
throws InvalidToken, ServiceFailure, NotFound, NotAuthorized,
|
|
1234
|
NotImplemented, InvalidRequest, VersionMismatch {
|
|
1235
|
|
|
1236
|
// The lock to be used for this identifier
|
|
1237
|
Lock lock = null;
|
|
1238
|
|
|
1239
|
// get the subject
|
|
1240
|
Subject subject = session.getSubject();
|
|
1241
|
|
|
1242
|
// are we allowed to do this?
|
|
1243
|
if (!isAuthorized(session, pid, Permission.CHANGE_PERMISSION)) {
|
|
1244
|
throw new NotAuthorized("4440", "not allowed by "
|
|
1245
|
+ subject.getValue() + " on " + pid.getValue());
|
|
1246
|
|
|
1247
|
}
|
|
1248
|
|
|
1249
|
SystemMetadata systemMetadata = null;
|
|
1250
|
try {
|
|
1251
|
lock = HazelcastService.getInstance().getLock(pid.getValue());
|
|
1252
|
lock.lock();
|
|
1253
|
logMetacat.debug("Locked identifier " + pid.getValue());
|
|
1254
|
|
|
1255
|
try {
|
|
1256
|
systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
|
|
1257
|
|
|
1258
|
// does the request have the most current system metadata?
|
|
1259
|
if ( systemMetadata.getSerialVersion().longValue() != serialVersion ) {
|
|
1260
|
String msg = "The requested system metadata version number " +
|
|
1261
|
serialVersion + " differs from the current version at " +
|
|
1262
|
systemMetadata.getSerialVersion().longValue() +
|
|
1263
|
". Please get the latest copy in order to modify it.";
|
|
1264
|
throw new VersionMismatch("4443", msg);
|
|
1265
|
}
|
|
1266
|
|
|
1267
|
} catch (RuntimeException e) { // Catch is generic since HZ throws RuntimeException
|
|
1268
|
throw new NotFound("4460", "No record found for: " + pid.getValue());
|
|
1269
|
|
|
1270
|
}
|
|
1271
|
|
|
1272
|
// set the new rights holder
|
|
1273
|
systemMetadata.setRightsHolder(userId);
|
|
1274
|
|
|
1275
|
// update the metadata
|
|
1276
|
try {
|
|
1277
|
systemMetadata.setSerialVersion(systemMetadata.getSerialVersion().add(BigInteger.ONE));
|
|
1278
|
systemMetadata.setDateSysMetadataModified(Calendar.getInstance().getTime());
|
|
1279
|
HazelcastService.getInstance().getSystemMetadataMap().put(pid, systemMetadata);
|
|
1280
|
notifyReplicaNodes(systemMetadata);
|
|
1281
|
|
|
1282
|
} catch (RuntimeException e) {
|
|
1283
|
throw new ServiceFailure("4490", e.getMessage());
|
|
1284
|
|
|
1285
|
}
|
|
1286
|
|
|
1287
|
} catch (RuntimeException e) {
|
|
1288
|
throw new ServiceFailure("4490", e.getMessage());
|
|
1289
|
|
|
1290
|
} finally {
|
|
1291
|
lock.unlock();
|
|
1292
|
logMetacat.debug("Unlocked identifier " + pid.getValue());
|
|
1293
|
|
|
1294
|
}
|
|
1295
|
|
|
1296
|
return pid;
|
|
1297
|
}
|
|
1298
|
|
|
1299
|
/**
|
|
1300
|
* Verify that a replication task is authorized by comparing the target node's
|
|
1301
|
* Subject (from the X.509 certificate-derived Session) with the list of
|
|
1302
|
* subjects in the known, pending replication tasks map.
|
|
1303
|
*
|
|
1304
|
* @param originatingNodeSession - Session information that contains the
|
|
1305
|
* identity of the calling user
|
|
1306
|
* @param targetNodeSubject - Subject identifying the target node
|
|
1307
|
* @param pid - the identifier of the object to be replicated
|
|
1308
|
* @param replicatePermission - the execute permission to be granted
|
|
1309
|
*
|
|
1310
|
* @throws ServiceFailure
|
|
1311
|
* @throws NotImplemented
|
|
1312
|
* @throws InvalidToken
|
|
1313
|
* @throws NotAuthorized
|
|
1314
|
* @throws InvalidRequest
|
|
1315
|
* @throws NotFound
|
|
1316
|
*/
|
|
1317
|
@Override
|
|
1318
|
public boolean isNodeAuthorized(Session originatingNodeSession,
|
|
1319
|
Subject targetNodeSubject, Identifier pid)
|
|
1320
|
throws NotImplemented, NotAuthorized, InvalidToken, ServiceFailure,
|
|
1321
|
NotFound, InvalidRequest {
|
|
1322
|
|
|
1323
|
boolean isAllowed = false;
|
|
1324
|
SystemMetadata sysmeta = null;
|
|
1325
|
NodeReference targetNode = null;
|
|
1326
|
|
|
1327
|
try {
|
|
1328
|
// get the target node reference from the nodes list
|
|
1329
|
CNode cn = D1Client.getCN();
|
|
1330
|
List<Node> nodes = cn.listNodes().getNodeList();
|
|
1331
|
|
|
1332
|
if ( nodes != null ) {
|
|
1333
|
for (Node node : nodes) {
|
|
1334
|
|
|
1335
|
if (node.getSubjectList() != null) {
|
|
1336
|
|
|
1337
|
for (Subject nodeSubject : node.getSubjectList()) {
|
|
1338
|
|
|
1339
|
if ( nodeSubject.equals(targetNodeSubject) ) {
|
|
1340
|
targetNode = node.getIdentifier();
|
|
1341
|
logMetacat.debug("targetNode is : " + targetNode.getValue());
|
|
1342
|
break;
|
|
1343
|
}
|
|
1344
|
}
|
|
1345
|
}
|
|
1346
|
|
|
1347
|
if ( targetNode != null) { break; }
|
|
1348
|
}
|
|
1349
|
|
|
1350
|
} else {
|
|
1351
|
String msg = "Couldn't get the node list from the CN";
|
|
1352
|
logMetacat.debug(msg);
|
|
1353
|
throw new ServiceFailure("4872", msg);
|
|
1354
|
|
|
1355
|
}
|
|
1356
|
|
|
1357
|
// can't find a node listed with the given subject
|
|
1358
|
if ( targetNode == null ) {
|
|
1359
|
String msg = "There is no Member Node registered with a node subject " +
|
|
1360
|
"matching " + targetNodeSubject.getValue();
|
|
1361
|
logMetacat.info(msg);
|
|
1362
|
throw new NotAuthorized("4871", msg);
|
|
1363
|
|
|
1364
|
}
|
|
1365
|
|
|
1366
|
logMetacat.debug("Getting system metadata for identifier " + pid.getValue());
|
|
1367
|
|
|
1368
|
sysmeta = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
|
|
1369
|
|
|
1370
|
if ( sysmeta != null ) {
|
|
1371
|
|
|
1372
|
List<Replica> replicaList = sysmeta.getReplicaList();
|
|
1373
|
|
|
1374
|
if ( replicaList != null ) {
|
|
1375
|
|
|
1376
|
// find the replica with the status set to 'requested'
|
|
1377
|
for (Replica replica : replicaList) {
|
|
1378
|
ReplicationStatus status = replica.getReplicationStatus();
|
|
1379
|
NodeReference listedNode = replica.getReplicaMemberNode();
|
|
1380
|
if ( listedNode != null && targetNode != null ) {
|
|
1381
|
logMetacat.debug("Comparing " + listedNode.getValue()
|
|
1382
|
+ " to " + targetNode.getValue());
|
|
1383
|
|
|
1384
|
if (listedNode.getValue().equals(targetNode.getValue())
|
|
1385
|
&& status.equals(ReplicationStatus.REQUESTED)) {
|
|
1386
|
isAllowed = true;
|
|
1387
|
break;
|
|
1388
|
|
|
1389
|
}
|
|
1390
|
}
|
|
1391
|
}
|
|
1392
|
}
|
|
1393
|
logMetacat.debug("The " + targetNode.getValue() + " is allowed " +
|
|
1394
|
"to replicate: " + isAllowed + " for " + pid.getValue());
|
|
1395
|
|
|
1396
|
|
|
1397
|
} else {
|
|
1398
|
logMetacat.debug("System metadata for identifier " + pid.getValue() +
|
|
1399
|
" is null.");
|
|
1400
|
throw new NotFound("4874", "Couldn't find an object identified by " + pid.getValue());
|
|
1401
|
|
|
1402
|
}
|
|
1403
|
|
|
1404
|
} catch (RuntimeException e) {
|
|
1405
|
ServiceFailure sf = new ServiceFailure("4872",
|
|
1406
|
"Runtime Exception: Couldn't determine if node is allowed: " +
|
|
1407
|
e.getMessage());
|
|
1408
|
sf.initCause(e);
|
|
1409
|
throw sf;
|
|
1410
|
|
|
1411
|
}
|
|
1412
|
|
|
1413
|
return isAllowed;
|
|
1414
|
|
|
1415
|
}
|
|
1416
|
|
|
1417
|
/**
|
|
1418
|
* Adds a new object to the Node, where the object is a science metadata object.
|
|
1419
|
*
|
|
1420
|
* @param session - the Session object containing the credentials for the Subject
|
|
1421
|
* @param pid - The object identifier to be created
|
|
1422
|
* @param object - the object bytes
|
|
1423
|
* @param sysmeta - the system metadata that describes the object
|
|
1424
|
*
|
|
1425
|
* @return pid - the object identifier created
|
|
1426
|
*
|
|
1427
|
* @throws InvalidToken
|
|
1428
|
* @throws ServiceFailure
|
|
1429
|
* @throws NotAuthorized
|
|
1430
|
* @throws IdentifierNotUnique
|
|
1431
|
* @throws UnsupportedType
|
|
1432
|
* @throws InsufficientResources
|
|
1433
|
* @throws InvalidSystemMetadata
|
|
1434
|
* @throws NotImplemented
|
|
1435
|
* @throws InvalidRequest
|
|
1436
|
*/
|
|
1437
|
public Identifier create(Session session, Identifier pid, InputStream object,
|
|
1438
|
SystemMetadata sysmeta)
|
|
1439
|
throws InvalidToken, ServiceFailure, NotAuthorized, IdentifierNotUnique,
|
|
1440
|
UnsupportedType, InsufficientResources, InvalidSystemMetadata,
|
|
1441
|
NotImplemented, InvalidRequest {
|
|
1442
|
|
|
1443
|
// The lock to be used for this identifier
|
|
1444
|
Lock lock = null;
|
|
1445
|
|
|
1446
|
try {
|
|
1447
|
lock = HazelcastService.getInstance().getLock(pid.getValue());
|
|
1448
|
// are we allowed?
|
|
1449
|
boolean isAllowed = false;
|
|
1450
|
isAllowed = isAdminAuthorized(session);
|
|
1451
|
|
|
1452
|
// additional check if it is the authoritative node if it is not the admin
|
|
1453
|
if(!isAllowed) {
|
|
1454
|
isAllowed = isAuthoritativeMNodeAdmin(session, pid);
|
|
1455
|
}
|
|
1456
|
|
|
1457
|
// proceed if we're called by a CN
|
|
1458
|
if ( isAllowed ) {
|
|
1459
|
// create the coordinating node version of the document
|
|
1460
|
lock.lock();
|
|
1461
|
logMetacat.debug("Locked identifier " + pid.getValue());
|
|
1462
|
sysmeta.setSerialVersion(BigInteger.ONE);
|
|
1463
|
sysmeta.setDateSysMetadataModified(Calendar.getInstance().getTime());
|
|
1464
|
//sysmeta.setArchived(false); // this is a create op, not update
|
|
1465
|
|
|
1466
|
// the CN should have set the origin and authoritative member node fields
|
|
1467
|
try {
|
|
1468
|
sysmeta.getOriginMemberNode().getValue();
|
|
1469
|
sysmeta.getAuthoritativeMemberNode().getValue();
|
|
1470
|
|
|
1471
|
} catch (NullPointerException npe) {
|
|
1472
|
throw new InvalidSystemMetadata("4896",
|
|
1473
|
"Both the origin and authoritative member node identifiers need to be set.");
|
|
1474
|
|
|
1475
|
}
|
|
1476
|
pid = super.create(session, pid, object, sysmeta);
|
|
1477
|
|
|
1478
|
} else {
|
|
1479
|
String msg = "The subject listed as " + session.getSubject().getValue() +
|
|
1480
|
" isn't allowed to call create() on a Coordinating Node.";
|
|
1481
|
logMetacat.info(msg);
|
|
1482
|
throw new NotAuthorized("1100", msg);
|
|
1483
|
}
|
|
1484
|
|
|
1485
|
} catch (RuntimeException e) {
|
|
1486
|
// Convert Hazelcast runtime exceptions to service failures
|
|
1487
|
String msg = "There was a problem creating the object identified by " +
|
|
1488
|
pid.getValue() + ". There error message was: " + e.getMessage();
|
|
1489
|
throw new ServiceFailure("4893", msg);
|
|
1490
|
|
|
1491
|
} finally {
|
|
1492
|
if (lock != null) {
|
|
1493
|
lock.unlock();
|
|
1494
|
logMetacat.debug("Unlocked identifier " + pid.getValue());
|
|
1495
|
}
|
|
1496
|
}
|
|
1497
|
|
|
1498
|
return pid;
|
|
1499
|
|
|
1500
|
}
|
|
1501
|
|
|
1502
|
/**
|
|
1503
|
* Set access for a given object using the object identifier and a Subject
|
|
1504
|
* under a given Session.
|
|
1505
|
*
|
|
1506
|
* @param session - the Session object containing the credentials for the Subject
|
|
1507
|
* @param pid - the object identifier for the given object to apply the policy
|
|
1508
|
* @param policy - the access policy to be applied
|
|
1509
|
*
|
|
1510
|
* @return true if the application of the policy succeeds
|
|
1511
|
* @throws InvalidToken
|
|
1512
|
* @throws ServiceFailure
|
|
1513
|
* @throws NotFound
|
|
1514
|
* @throws NotAuthorized
|
|
1515
|
* @throws NotImplemented
|
|
1516
|
* @throws InvalidRequest
|
|
1517
|
*/
|
|
1518
|
public boolean setAccessPolicy(Session session, Identifier pid,
|
|
1519
|
AccessPolicy accessPolicy, long serialVersion)
|
|
1520
|
throws InvalidToken, ServiceFailure, NotFound, NotAuthorized,
|
|
1521
|
NotImplemented, InvalidRequest, VersionMismatch {
|
|
1522
|
|
|
1523
|
// The lock to be used for this identifier
|
|
1524
|
Lock lock = null;
|
|
1525
|
SystemMetadata systemMetadata = null;
|
|
1526
|
|
|
1527
|
boolean success = false;
|
|
1528
|
|
|
1529
|
// get the subject
|
|
1530
|
Subject subject = session.getSubject();
|
|
1531
|
|
|
1532
|
// are we allowed to do this?
|
|
1533
|
if (!isAuthorized(session, pid, Permission.CHANGE_PERMISSION)) {
|
|
1534
|
throw new NotAuthorized("4420", "not allowed by "
|
|
1535
|
+ subject.getValue() + " on " + pid.getValue());
|
|
1536
|
}
|
|
1537
|
|
|
1538
|
try {
|
|
1539
|
lock = HazelcastService.getInstance().getLock(pid.getValue());
|
|
1540
|
lock.lock();
|
|
1541
|
logMetacat.debug("Locked identifier " + pid.getValue());
|
|
1542
|
|
|
1543
|
try {
|
|
1544
|
systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
|
|
1545
|
|
|
1546
|
if ( systemMetadata == null ) {
|
|
1547
|
throw new NotFound("4400", "Couldn't find an object identified by " + pid.getValue());
|
|
1548
|
|
|
1549
|
}
|
|
1550
|
// does the request have the most current system metadata?
|
|
1551
|
if ( systemMetadata.getSerialVersion().longValue() != serialVersion ) {
|
|
1552
|
String msg = "The requested system metadata version number " +
|
|
1553
|
serialVersion + " differs from the current version at " +
|
|
1554
|
systemMetadata.getSerialVersion().longValue() +
|
|
1555
|
". Please get the latest copy in order to modify it.";
|
|
1556
|
throw new VersionMismatch("4402", msg);
|
|
1557
|
|
|
1558
|
}
|
|
1559
|
|
|
1560
|
} catch (RuntimeException e) {
|
|
1561
|
// convert Hazelcast RuntimeException to NotFound
|
|
1562
|
throw new NotFound("4400", "No record found for: " + pid);
|
|
1563
|
|
|
1564
|
}
|
|
1565
|
|
|
1566
|
// set the access policy
|
|
1567
|
systemMetadata.setAccessPolicy(accessPolicy);
|
|
1568
|
|
|
1569
|
// update the system metadata
|
|
1570
|
try {
|
|
1571
|
systemMetadata.setSerialVersion(systemMetadata.getSerialVersion().add(BigInteger.ONE));
|
|
1572
|
systemMetadata.setDateSysMetadataModified(Calendar.getInstance().getTime());
|
|
1573
|
HazelcastService.getInstance().getSystemMetadataMap().put(systemMetadata.getIdentifier(), systemMetadata);
|
|
1574
|
notifyReplicaNodes(systemMetadata);
|
|
1575
|
|
|
1576
|
} catch (RuntimeException e) {
|
|
1577
|
// convert Hazelcast RuntimeException to ServiceFailure
|
|
1578
|
throw new ServiceFailure("4430", e.getMessage());
|
|
1579
|
|
|
1580
|
}
|
|
1581
|
|
|
1582
|
} catch (RuntimeException e) {
|
|
1583
|
throw new ServiceFailure("4430", e.getMessage());
|
|
1584
|
|
|
1585
|
} finally {
|
|
1586
|
lock.unlock();
|
|
1587
|
logMetacat.debug("Unlocked identifier " + pid.getValue());
|
|
1588
|
|
|
1589
|
}
|
|
1590
|
|
|
1591
|
|
|
1592
|
// TODO: how do we know if the map was persisted?
|
|
1593
|
success = true;
|
|
1594
|
|
|
1595
|
return success;
|
|
1596
|
}
|
|
1597
|
|
|
1598
|
/**
|
|
1599
|
* Full replacement of replication metadata in the system metadata for the
|
|
1600
|
* specified object, changes date system metadata modified
|
|
1601
|
*
|
|
1602
|
* @param session - the Session object containing the credentials for the Subject
|
|
1603
|
* @param pid - the object identifier for the given object to apply the policy
|
|
1604
|
* @param replica - the replica to be updated
|
|
1605
|
* @return
|
|
1606
|
* @throws NotImplemented
|
|
1607
|
* @throws NotAuthorized
|
|
1608
|
* @throws ServiceFailure
|
|
1609
|
* @throws InvalidRequest
|
|
1610
|
* @throws NotFound
|
|
1611
|
* @throws VersionMismatch
|
|
1612
|
*/
|
|
1613
|
@Override
|
|
1614
|
public boolean updateReplicationMetadata(Session session, Identifier pid,
|
|
1615
|
Replica replica, long serialVersion)
|
|
1616
|
throws NotImplemented, NotAuthorized, ServiceFailure, InvalidRequest,
|
|
1617
|
NotFound, VersionMismatch {
|
|
1618
|
|
|
1619
|
// The lock to be used for this identifier
|
|
1620
|
Lock lock = null;
|
|
1621
|
|
|
1622
|
// get the subject
|
|
1623
|
Subject subject = session.getSubject();
|
|
1624
|
|
|
1625
|
// are we allowed to do this?
|
|
1626
|
try {
|
|
1627
|
|
|
1628
|
// what is the controlling permission?
|
|
1629
|
if (!isAuthorized(session, pid, Permission.WRITE)) {
|
|
1630
|
throw new NotAuthorized("4851", "not allowed by "
|
|
1631
|
+ subject.getValue() + " on " + pid.getValue());
|
|
1632
|
}
|
|
1633
|
|
|
1634
|
|
|
1635
|
} catch (InvalidToken e) {
|
|
1636
|
throw new NotAuthorized("4851", "not allowed by " + subject.getValue() +
|
|
1637
|
" on " + pid.getValue());
|
|
1638
|
|
|
1639
|
}
|
|
1640
|
|
|
1641
|
SystemMetadata systemMetadata = null;
|
|
1642
|
try {
|
|
1643
|
lock = HazelcastService.getInstance().getLock(pid.getValue());
|
|
1644
|
lock.lock();
|
|
1645
|
logMetacat.debug("Locked identifier " + pid.getValue());
|
|
1646
|
|
|
1647
|
try {
|
|
1648
|
systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
|
|
1649
|
|
|
1650
|
// does the request have the most current system metadata?
|
|
1651
|
if ( systemMetadata.getSerialVersion().longValue() != serialVersion ) {
|
|
1652
|
String msg = "The requested system metadata version number " +
|
|
1653
|
serialVersion + " differs from the current version at " +
|
|
1654
|
systemMetadata.getSerialVersion().longValue() +
|
|
1655
|
". Please get the latest copy in order to modify it.";
|
|
1656
|
throw new VersionMismatch("4855", msg);
|
|
1657
|
}
|
|
1658
|
|
|
1659
|
} catch (RuntimeException e) { // Catch is generic since HZ throws RuntimeException
|
|
1660
|
throw new NotFound("4854", "No record found for: " + pid.getValue() +
|
|
1661
|
" : " + e.getMessage());
|
|
1662
|
|
|
1663
|
}
|
|
1664
|
|
|
1665
|
// set the status for the replica
|
|
1666
|
List<Replica> replicas = systemMetadata.getReplicaList();
|
|
1667
|
NodeReference replicaNode = replica.getReplicaMemberNode();
|
|
1668
|
ReplicationStatus replicaStatus = replica.getReplicationStatus();
|
|
1669
|
int index = 0;
|
|
1670
|
for (Replica listedReplica: replicas) {
|
|
1671
|
|
|
1672
|
// remove the replica that we are replacing
|
|
1673
|
if ( replicaNode.getValue().equals(listedReplica.getReplicaMemberNode().getValue())) {
|
|
1674
|
// don't allow status to change from COMPLETED to anything other
|
|
1675
|
// than INVALIDATED: prevents overwrites from race conditions
|
|
1676
|
if ( !listedReplica.getReplicationStatus().equals(replicaStatus) &&
|
|
1677
|
listedReplica.getReplicationStatus().equals(ReplicationStatus.COMPLETED) &&
|
|
1678
|
!replicaStatus.equals(ReplicationStatus.INVALIDATED) ) {
|
|
1679
|
throw new InvalidRequest("4853", "Status state change from " +
|
|
1680
|
listedReplica.getReplicationStatus() + " to " +
|
|
1681
|
replicaStatus.toString() + "is prohibited for identifier " +
|
|
1682
|
pid.getValue() + " and target node " +
|
|
1683
|
listedReplica.getReplicaMemberNode().getValue());
|
|
1684
|
|
|
1685
|
}
|
|
1686
|
replicas.remove(index);
|
|
1687
|
break;
|
|
1688
|
|
|
1689
|
}
|
|
1690
|
index++;
|
|
1691
|
}
|
|
1692
|
|
|
1693
|
// add the new replica item
|
|
1694
|
replicas.add(replica);
|
|
1695
|
systemMetadata.setReplicaList(replicas);
|
|
1696
|
|
|
1697
|
// update the metadata
|
|
1698
|
try {
|
|
1699
|
systemMetadata.setSerialVersion(systemMetadata.getSerialVersion().add(BigInteger.ONE));
|
|
1700
|
systemMetadata.setDateSysMetadataModified(Calendar.getInstance().getTime());
|
|
1701
|
HazelcastService.getInstance().getSystemMetadataMap().put(systemMetadata.getIdentifier(), systemMetadata);
|
|
1702
|
|
|
1703
|
// inform replica nodes of the change if the status is complete
|
|
1704
|
if ( replicaStatus.equals(ReplicationStatus.COMPLETED) ) {
|
|
1705
|
notifyReplicaNodes(systemMetadata);
|
|
1706
|
|
|
1707
|
}
|
|
1708
|
} catch (RuntimeException e) {
|
|
1709
|
logMetacat.info("Unknown RuntimeException thrown: " + e.getCause().getMessage());
|
|
1710
|
throw new ServiceFailure("4852", e.getMessage());
|
|
1711
|
|
|
1712
|
}
|
|
1713
|
|
|
1714
|
} catch (RuntimeException e) {
|
|
1715
|
logMetacat.info("Unknown RuntimeException thrown: " + e.getCause().getMessage());
|
|
1716
|
throw new ServiceFailure("4852", e.getMessage());
|
|
1717
|
|
|
1718
|
} finally {
|
|
1719
|
lock.unlock();
|
|
1720
|
logMetacat.debug("Unlocked identifier " + pid.getValue());
|
|
1721
|
|
|
1722
|
}
|
|
1723
|
|
|
1724
|
return true;
|
|
1725
|
|
|
1726
|
}
|
|
1727
|
|
|
1728
|
/**
|
|
1729
|
*
|
|
1730
|
*/
|
|
1731
|
@Override
|
|
1732
|
public ObjectList listObjects(Session session, Date startTime,
|
|
1733
|
Date endTime, ObjectFormatIdentifier formatid, Identifier identifier, Boolean replicaStatus,
|
|
1734
|
Integer start, Integer count)
|
|
1735
|
throws InvalidRequest, InvalidToken, NotAuthorized, NotImplemented,
|
|
1736
|
ServiceFailure {
|
|
1737
|
|
|
1738
|
ObjectList objectList = null;
|
|
1739
|
try {
|
|
1740
|
if (count == null || count > MAXIMUM_DB_RECORD_COUNT) {
|
|
1741
|
count = MAXIMUM_DB_RECORD_COUNT;
|
|
1742
|
}
|
|
1743
|
objectList = IdentifierManager.getInstance().querySystemMetadata(startTime, endTime, formatid, replicaStatus, start, count);
|
|
1744
|
} catch (Exception e) {
|
|
1745
|
throw new ServiceFailure("1580", "Error querying system metadata: " + e.getMessage());
|
|
1746
|
}
|
|
1747
|
|
|
1748
|
return objectList;
|
|
1749
|
}
|
|
1750
|
|
|
1751
|
|
|
1752
|
/**
|
|
1753
|
* Returns a list of checksum algorithms that are supported by DataONE.
|
|
1754
|
* @return cal the list of checksum algorithms
|
|
1755
|
*
|
|
1756
|
* @throws ServiceFailure
|
|
1757
|
* @throws NotImplemented
|
|
1758
|
*/
|
|
1759
|
@Override
|
|
1760
|
public ChecksumAlgorithmList listChecksumAlgorithms()
|
|
1761
|
throws ServiceFailure, NotImplemented {
|
|
1762
|
ChecksumAlgorithmList cal = new ChecksumAlgorithmList();
|
|
1763
|
cal.addAlgorithm("MD5");
|
|
1764
|
cal.addAlgorithm("SHA-1");
|
|
1765
|
return cal;
|
|
1766
|
|
|
1767
|
}
|
|
1768
|
|
|
1769
|
/**
|
|
1770
|
* Notify replica Member Nodes of system metadata changes for a given pid
|
|
1771
|
*
|
|
1772
|
* @param currentSystemMetadata - the up to date system metadata
|
|
1773
|
*/
|
|
1774
|
public void notifyReplicaNodes(SystemMetadata currentSystemMetadata) {
|
|
1775
|
|
|
1776
|
Session session = null;
|
|
1777
|
List<Replica> replicaList = currentSystemMetadata.getReplicaList();
|
|
1778
|
MNode mn = null;
|
|
1779
|
NodeReference replicaNodeRef = null;
|
|
1780
|
CNode cn = null;
|
|
1781
|
NodeType nodeType = null;
|
|
1782
|
List<Node> nodeList = null;
|
|
1783
|
|
|
1784
|
try {
|
|
1785
|
cn = D1Client.getCN();
|
|
1786
|
nodeList = cn.listNodes().getNodeList();
|
|
1787
|
|
|
1788
|
} catch (Exception e) { // handle BaseException and other I/O issues
|
|
1789
|
|
|
1790
|
// swallow errors since the call is not critical
|
|
1791
|
logMetacat.error("Can't inform MNs of system metadata changes due " +
|
|
1792
|
"to communication issues with the CN: " + e.getMessage());
|
|
1793
|
|
|
1794
|
}
|
|
1795
|
|
|
1796
|
if ( replicaList != null ) {
|
|
1797
|
|
|
1798
|
// iterate through the replicas and inform MN replica nodes
|
|
1799
|
for (Replica replica : replicaList) {
|
|
1800
|
|
|
1801
|
replicaNodeRef = replica.getReplicaMemberNode();
|
|
1802
|
try {
|
|
1803
|
if (nodeList != null) {
|
|
1804
|
// find the node type
|
|
1805
|
for (Node node : nodeList) {
|
|
1806
|
if ( node.getIdentifier().getValue().equals(replicaNodeRef.getValue()) ) {
|
|
1807
|
nodeType = node.getType();
|
|
1808
|
break;
|
|
1809
|
|
|
1810
|
}
|
|
1811
|
}
|
|
1812
|
}
|
|
1813
|
|
|
1814
|
// notify only MNs
|
|
1815
|
if (nodeType != null && nodeType == NodeType.MN) {
|
|
1816
|
mn = D1Client.getMN(replicaNodeRef);
|
|
1817
|
mn.systemMetadataChanged(session,
|
|
1818
|
currentSystemMetadata.getIdentifier(),
|
|
1819
|
currentSystemMetadata.getSerialVersion().longValue(),
|
|
1820
|
currentSystemMetadata.getDateSysMetadataModified());
|
|
1821
|
}
|
|
1822
|
|
|
1823
|
} catch (Exception e) { // handle BaseException and other I/O issues
|
|
1824
|
|
|
1825
|
// swallow errors since the call is not critical
|
|
1826
|
logMetacat.error("Can't inform "
|
|
1827
|
+ replicaNodeRef.getValue()
|
|
1828
|
+ " of system metadata changes due "
|
|
1829
|
+ "to communication issues with the CN: "
|
|
1830
|
+ e.getMessage());
|
|
1831
|
|
|
1832
|
}
|
|
1833
|
}
|
|
1834
|
}
|
|
1835
|
}
|
|
1836
|
|
|
1837
|
@Override
|
|
1838
|
public QueryEngineDescription getQueryEngineDescription(Session session,
|
|
1839
|
String queryEngine) throws InvalidToken, ServiceFailure, NotAuthorized,
|
|
1840
|
NotImplemented, NotFound {
|
|
1841
|
throw new NotImplemented("0000", "CN query services are not implemented in Metacat.");
|
|
1842
|
|
|
1843
|
}
|
|
1844
|
|
|
1845
|
@Override
|
|
1846
|
public QueryEngineList listQueryEngines(Session session) throws InvalidToken,
|
|
1847
|
ServiceFailure, NotAuthorized, NotImplemented {
|
|
1848
|
throw new NotImplemented("0000", "CN query services are not implemented in Metacat.");
|
|
1849
|
|
|
1850
|
}
|
|
1851
|
|
|
1852
|
@Override
|
|
1853
|
public InputStream query(Session session, String queryEngine, String query)
|
|
1854
|
throws InvalidToken, ServiceFailure, NotAuthorized, InvalidRequest,
|
|
1855
|
NotImplemented, NotFound {
|
|
1856
|
throw new NotImplemented("0000", "CN query services are not implemented in Metacat.");
|
|
1857
|
|
|
1858
|
}
|
|
1859
|
|
|
1860
|
@Override
|
|
1861
|
public Node getCapabilities() throws NotImplemented, ServiceFailure {
|
|
1862
|
throw new NotImplemented("0000", "The CN capabilities are not stored in Metacat.");
|
|
1863
|
}
|
|
1864
|
|
|
1865
|
/**
|
|
1866
|
* A method to notify the Coordinating Node that the authoritative copy of
|
|
1867
|
* system metadata on the Authoritative Member Node has changed.
|
|
1868
|
*
|
|
1869
|
* @param session Session information that contains the identity of the
|
|
1870
|
* calling user as retrieved from the X.509 certificate
|
|
1871
|
* which must be traceable to the CILogon service.
|
|
1872
|
* @param serialVersion The serialVersion of the system metadata
|
|
1873
|
* @param dateSysMetaLastModified The time stamp for when the system metadata was changed
|
|
1874
|
* @throws NotImplemented
|
|
1875
|
* @throws ServiceFailure
|
|
1876
|
* @throws NotAuthorized
|
|
1877
|
* @throws InvalidRequest
|
|
1878
|
* @throws InvalidToken
|
|
1879
|
*/
|
|
1880
|
@Override
|
|
1881
|
public boolean systemMetadataChanged(Session session, Identifier pid,
|
|
1882
|
long serialVersion, Date dateSysMetaLastModified)
|
|
1883
|
throws NotImplemented, ServiceFailure, NotAuthorized, InvalidRequest,
|
|
1884
|
InvalidToken {
|
|
1885
|
|
|
1886
|
// cannot be called by public
|
|
1887
|
if (session == null) {
|
|
1888
|
throw new InvalidToken("2183", "No session was provided.");
|
|
1889
|
}
|
|
1890
|
|
|
1891
|
SystemMetadata currentLocalSysMeta = null;
|
|
1892
|
SystemMetadata newSysMeta = null;
|
|
1893
|
boolean allowed = false;
|
|
1894
|
|
|
1895
|
// are we allowed to call this?
|
|
1896
|
allowed = super.isAuthoritativeMNodeAdmin(session, pid);
|
|
1897
|
|
|
1898
|
if (!allowed ) {
|
|
1899
|
String msg = "The subject identified by " + session.getSubject().getValue() +
|
|
1900
|
" is not authorized to call this service.";
|
|
1901
|
throw new NotAuthorized("1331", msg);
|
|
1902
|
|
|
1903
|
}
|
|
1904
|
|
|
1905
|
// compare what we have locally to what is sent in the change notification
|
|
1906
|
try {
|
|
1907
|
currentLocalSysMeta = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
|
|
1908
|
|
|
1909
|
} catch (RuntimeException e) {
|
|
1910
|
String msg = "SystemMetadata for pid " + pid.getValue() +
|
|
1911
|
" couldn't be updated because it couldn't be found locally: " +
|
|
1912
|
e.getMessage();
|
|
1913
|
logMetacat.error(msg);
|
|
1914
|
ServiceFailure sf = new ServiceFailure("1333", msg);
|
|
1915
|
sf.initCause(e);
|
|
1916
|
throw sf;
|
|
1917
|
}
|
|
1918
|
|
|
1919
|
if (currentLocalSysMeta.getSerialVersion().longValue() < serialVersion ) {
|
|
1920
|
try {
|
|
1921
|
|
|
1922
|
MNode mn = D1Client.getMN(currentLocalSysMeta.getAuthoritativeMemberNode());
|
|
1923
|
newSysMeta = mn .getSystemMetadata(null, pid);
|
|
1924
|
} catch (NotFound e) {
|
|
1925
|
// huh? you just said you had it
|
|
1926
|
String msg = "On updating the local copy of system metadata " +
|
|
1927
|
"for pid " + pid.getValue() +", the AuthMN reports it is not found." +
|
|
1928
|
" The error message was: " + e.getMessage();
|
|
1929
|
logMetacat.error(msg);
|
|
1930
|
ServiceFailure sf = new ServiceFailure("1333", msg);
|
|
1931
|
sf.initCause(e);
|
|
1932
|
throw sf;
|
|
1933
|
}
|
|
1934
|
|
|
1935
|
// update the local copy of system metadata for the pid
|
|
1936
|
try {
|
|
1937
|
HazelcastService.getInstance().getSystemMetadataMap().put(newSysMeta.getIdentifier(), newSysMeta);
|
|
1938
|
logMetacat.info("Updated local copy of system metadata for pid " +
|
|
1939
|
pid.getValue() + " after change notification from the CN.");
|
|
1940
|
|
|
1941
|
// TODO: consider inspecting the change for archive
|
|
1942
|
// see: https://projects.ecoinformatics.org/ecoinfo/issues/6417
|
|
1943
|
|
|
1944
|
} catch (RuntimeException e) {
|
|
1945
|
String msg = "SystemMetadata for pid " + pid.getValue() +
|
|
1946
|
" couldn't be updated: " +
|
|
1947
|
e.getMessage();
|
|
1948
|
logMetacat.error(msg);
|
|
1949
|
ServiceFailure sf = new ServiceFailure("1333", msg);
|
|
1950
|
sf.initCause(e);
|
|
1951
|
throw sf;
|
|
1952
|
}
|
|
1953
|
|
|
1954
|
// submit for indexing
|
|
1955
|
try {
|
|
1956
|
MetacatSolrIndex.getInstance().submit(newSysMeta.getIdentifier(), newSysMeta, null, true);
|
|
1957
|
} catch (Exception e) {
|
|
1958
|
logMetacat.error("Could not submit changed systemMetadata for indexing, pid: " + newSysMeta.getIdentifier().getValue(), e);
|
|
1959
|
}
|
|
1960
|
}
|
|
1961
|
|
|
1962
|
return true;
|
|
1963
|
|
|
1964
|
}
|
|
1965
|
|
|
1966
|
}
|