package org.apache.archiva.audit;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import org.apache.archiva.metadata.model.facets.AuditEvent;
import org.apache.archiva.metadata.repository.MetadataRepository;
import org.apache.archiva.metadata.repository.MetadataRepositoryException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.List;
import java.util.TimeZone;
/**
*
*/
@Service("auditManager#default")
public class DefaultAuditManager
implements AuditManager
{
private static final int NUM_RECENT_EVENTS = 10;
private static final Logger log = LoggerFactory.getLogger( DefaultAuditManager.class );
private static final TimeZone UTC_TIME_ZONE = TimeZone.getTimeZone( "UTC" );
@Override
public List<AuditEvent> getMostRecentAuditEvents( MetadataRepository metadataRepository,
List<String> repositoryIds )
throws MetadataRepositoryException
{
// TODO: consider a more efficient implementation that directly gets the last ten from the content repository
List<AuditRecord> records = new ArrayList<>();
for ( String repositoryId : repositoryIds )
{
List<String> names = metadataRepository.getMetadataFacets( repositoryId, AuditEvent.FACET_ID );
for ( String name : names )
{
records.add( new AuditRecord( repositoryId, name ) );
}
}
Collections.sort( records );
records = records.subList( 0, records.size() < NUM_RECENT_EVENTS ? records.size() : NUM_RECENT_EVENTS );
List<AuditEvent> events = new ArrayList<>( records.size() );
for ( AuditRecord record : records )
{
AuditEvent auditEvent = (AuditEvent) metadataRepository.getMetadataFacet( record.repositoryId,
AuditEvent.FACET_ID,
record.name );
events.add( auditEvent );
}
return events;
}
@Override
public void addAuditEvent( MetadataRepository repository, AuditEvent event )
throws MetadataRepositoryException
{
// ignore those with no repository - they will still be logged to the textual audit log
if ( event.getRepositoryId() != null )
{
repository.addMetadataFacet( event.getRepositoryId(), event );
}
}
@Override
public void deleteAuditEvents( MetadataRepository metadataRepository, String repositoryId )
throws MetadataRepositoryException
{
metadataRepository.removeMetadataFacets( repositoryId, AuditEvent.FACET_ID );
}
@Override
public List<AuditEvent> getAuditEventsInRange( MetadataRepository metadataRepository,
Collection<String> repositoryIds, Date startTime, Date endTime )
throws MetadataRepositoryException
{
return getAuditEventsInRange( metadataRepository, repositoryIds, null, startTime, endTime );
}
@Override
public List<AuditEvent> getAuditEventsInRange( MetadataRepository metadataRepository,
Collection<String> repositoryIds, String resource, Date startTime,
Date endTime )
throws MetadataRepositoryException
{
List<AuditEvent> results = new ArrayList<>();
for ( String repositoryId : repositoryIds )
{
List<String> list = metadataRepository.getMetadataFacets( repositoryId, AuditEvent.FACET_ID );
for ( String name : list )
{
try
{
Date date = createNameFormat().parse( name );
if ( ( startTime == null || !date.before( startTime ) ) && ( endTime == null || !date.after(
endTime ) ) )
{
AuditEvent event = (AuditEvent) metadataRepository.getMetadataFacet( repositoryId,
AuditEvent.FACET_ID,
name );
if ( resource == null || event.getResource().startsWith( resource ) )
{
results.add( event );
}
}
}
catch ( ParseException e )
{
log.error( "Invalid audit event found in the metadata repository: " + e.getMessage() );
// continue and ignore this one
}
}
}
Collections.sort( results, new Comparator<AuditEvent>()
{
@Override
public int compare( AuditEvent o1, AuditEvent o2 )
{
return o2.getTimestamp().compareTo( o1.getTimestamp() );
}
} );
return results;
}
private static SimpleDateFormat createNameFormat()
{
SimpleDateFormat fmt = new SimpleDateFormat( AuditEvent.TIMESTAMP_FORMAT );
fmt.setTimeZone( UTC_TIME_ZONE );
return fmt;
}
private static final class AuditRecord
implements Comparable<AuditRecord>
{
private String repositoryId;
private String name;
public AuditRecord( String repositoryId, String name )
{
this.repositoryId = repositoryId;
this.name = name;
}
@Override
public int compareTo( AuditRecord other )
{
// reverse ordering
return other.name.compareTo( name );
}
}
}