package org.apache.maven.archiva.webdav;
/*
* 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 java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.apache.jackrabbit.util.Text;
import org.apache.jackrabbit.webdav.DavException;
import org.apache.jackrabbit.webdav.DavResource;
import org.apache.jackrabbit.webdav.DavResourceFactory;
import org.apache.jackrabbit.webdav.DavResourceIterator;
import org.apache.jackrabbit.webdav.DavResourceIteratorImpl;
import org.apache.jackrabbit.webdav.DavResourceLocator;
import org.apache.jackrabbit.webdav.DavServletResponse;
import org.apache.jackrabbit.webdav.DavSession;
import org.apache.jackrabbit.webdav.MultiStatusResponse;
import org.apache.jackrabbit.webdav.io.InputContext;
import org.apache.jackrabbit.webdav.io.OutputContext;
import org.apache.jackrabbit.webdav.lock.ActiveLock;
import org.apache.jackrabbit.webdav.lock.LockInfo;
import org.apache.jackrabbit.webdav.lock.LockManager;
import org.apache.jackrabbit.webdav.lock.Scope;
import org.apache.jackrabbit.webdav.lock.Type;
import org.apache.jackrabbit.webdav.property.DavProperty;
import org.apache.jackrabbit.webdav.property.DavPropertyName;
import org.apache.jackrabbit.webdav.property.DavPropertyNameSet;
import org.apache.jackrabbit.webdav.property.DavPropertySet;
import org.apache.jackrabbit.webdav.property.DefaultDavProperty;
import org.apache.jackrabbit.webdav.property.ResourceType;
import org.apache.maven.archiva.configuration.ManagedRepositoryConfiguration;
import org.apache.maven.archiva.repository.audit.AuditEvent;
import org.apache.maven.archiva.repository.audit.AuditListener;
import org.apache.maven.archiva.repository.scanner.RepositoryContentConsumers;
import org.apache.maven.archiva.security.ArchivaXworkUser;
import org.apache.maven.archiva.webdav.util.IndexWriter;
import org.apache.maven.archiva.webdav.util.MimeTypes;
import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.ISODateTimeFormat;
import com.opensymphony.xwork.ActionContext;
/**
* @author <a href="mailto:james@atlassian.com">James William Dumay</a> Portions from the Apache Jackrabbit Project
*/
public class ArchivaDavResource
implements DavResource
{
public static final String HIDDEN_PATH_PREFIX = ".";
private final ArchivaDavResourceLocator locator;
private final DavResourceFactory factory;
private final File localResource;
private final String logicalResource;
private DavPropertySet properties = null;
private LockManager lockManager;
private final DavSession session;
private String remoteAddr;
private final ManagedRepositoryConfiguration repository;
private final RepositoryContentConsumers consumers;
private final MimeTypes mimeTypes;
private List<AuditListener> auditListeners;
public ArchivaDavResource( String localResource, String logicalResource, ManagedRepositoryConfiguration repository,
DavSession session, ArchivaDavResourceLocator locator, DavResourceFactory factory,
MimeTypes mimeTypes, List<AuditListener> auditListeners,
RepositoryContentConsumers consumers )
{
this.localResource = new File( localResource );
this.logicalResource = logicalResource;
this.locator = locator;
this.factory = factory;
this.session = session;
// TODO: push into locator as well as moving any references out of the resource factory
this.repository = repository;
// TODO: these should be pushed into the repository layer, along with the physical file operations in this class
this.mimeTypes = mimeTypes;
this.consumers = consumers;
this.auditListeners = auditListeners;
}
public ArchivaDavResource( String localResource, String logicalResource, ManagedRepositoryConfiguration repository,
String remoteAddr, DavSession session, ArchivaDavResourceLocator locator,
DavResourceFactory factory, MimeTypes mimeTypes, List<AuditListener> auditListeners,
RepositoryContentConsumers consumers )
{
this( localResource, logicalResource, repository, session, locator, factory, mimeTypes, auditListeners,
consumers );
this.remoteAddr = remoteAddr;
}
public String getComplianceClass()
{
return COMPLIANCE_CLASS;
}
public String getSupportedMethods()
{
return METHODS;
}
public boolean exists()
{
return localResource.exists();
}
public boolean isCollection()
{
return localResource.isDirectory();
}
public String getDisplayName()
{
String resPath = getResourcePath();
return ( resPath != null ) ? Text.getName( resPath ) : resPath;
}
public DavResourceLocator getLocator()
{
return locator;
}
public File getLocalResource()
{
return localResource;
}
public String getResourcePath()
{
return locator.getResourcePath();
}
public String getHref()
{
return locator.getHref( isCollection() );
}
public long getModificationTime()
{
return localResource.lastModified();
}
public void spool( OutputContext outputContext )
throws IOException
{
if ( !isCollection())
{
outputContext.setContentLength( localResource.length() );
outputContext.setContentType( mimeTypes.getMimeType( localResource.getName() ) );
}
if ( !isCollection() && outputContext.hasStream() )
{
FileInputStream is = null;
try
{
// Write content to stream
is = new FileInputStream( localResource );
IOUtils.copy( is, outputContext.getOutputStream() );
}
finally
{
IOUtils.closeQuietly( is );
}
}
else if (outputContext.hasStream())
{
IndexWriter writer = new IndexWriter( this, localResource, logicalResource );
writer.write( outputContext );
}
}
public DavPropertyName[] getPropertyNames()
{
return getProperties().getPropertyNames();
}
public DavProperty getProperty( DavPropertyName name )
{
return getProperties().get( name );
}
public DavPropertySet getProperties()
{
return initProperties();
}
public void setProperty( DavProperty property )
throws DavException
{
}
public void removeProperty( DavPropertyName propertyName )
throws DavException
{
}
public MultiStatusResponse alterProperties( DavPropertySet setProperties, DavPropertyNameSet removePropertyNames )
throws DavException
{
return null;
}
@SuppressWarnings("unchecked")
public MultiStatusResponse alterProperties( List changeList )
throws DavException
{
return null;
}
public DavResource getCollection()
{
DavResource parent = null;
if ( getResourcePath() != null && !getResourcePath().equals( "/" ) )
{
String parentPath = Text.getRelativeParent( getResourcePath(), 1 );
if ( parentPath.equals( "" ) )
{
parentPath = "/";
}
DavResourceLocator parentloc = locator.getFactory().createResourceLocator( locator.getPrefix(), parentPath );
try
{
parent = factory.createResource( parentloc, session );
}
catch ( DavException e )
{
// should not occur
}
}
return parent;
}
public void addMember( DavResource resource, InputContext inputContext )
throws DavException
{
File localFile = new File( localResource, resource.getDisplayName() );
boolean exists = localFile.exists();
if ( isCollection() && inputContext.hasStream() ) // New File
{
FileOutputStream stream = null;
try
{
stream = new FileOutputStream( localFile );
IOUtils.copy( inputContext.getInputStream(), stream );
}
catch ( IOException e )
{
throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
}
finally
{
IOUtils.closeQuietly( stream );
}
if ( inputContext.getContentLength() != localFile.length() )
{
FileUtils.deleteQuietly( localFile );
throw new DavException( HttpServletResponse.SC_BAD_REQUEST, "Content Header length was " +
inputContext.getContentLength() + " but was " + localFile.length() );
}
// Just-in-time update of the index and database by executing the consumers for this artifact
consumers.executeConsumers( repository, localFile );
triggerAuditEvent( resource, exists ? AuditEvent.MODIFY_FILE : AuditEvent.CREATE_FILE );
}
else if ( !inputContext.hasStream() && isCollection() ) // New directory
{
localFile.mkdir();
triggerAuditEvent( resource, AuditEvent.CREATE_DIR );
}
else
{
throw new DavException( HttpServletResponse.SC_BAD_REQUEST, "Could not write member " +
resource.getResourcePath() + " at " + getResourcePath() );
}
}
public DavResourceIterator getMembers()
{
List<DavResource> list = new ArrayList<DavResource>();
if ( exists() && isCollection() )
{
for ( String item : localResource.list() )
{
try
{
if ( !item.startsWith( HIDDEN_PATH_PREFIX ) )
{
String path = locator.getResourcePath() + '/' + item;
DavResourceLocator resourceLocator =
locator.getFactory().createResourceLocator( locator.getPrefix(), path );
DavResource resource = factory.createResource( resourceLocator, session );
if ( resource != null )
{
list.add( resource );
}
}
}
catch ( DavException e )
{
// Should not occur
}
}
}
return new DavResourceIteratorImpl( list );
}
public void removeMember( DavResource member )
throws DavException
{
File resource = checkDavResourceIsArchivaDavResource( member ).getLocalResource();
if ( resource.exists() )
{
try
{
if ( resource.isDirectory() )
{
FileUtils.deleteDirectory( resource );
triggerAuditEvent( member, AuditEvent.REMOVE_DIR );
}
else
{
if ( !resource.delete() )
{
throw new IOException( "Could not remove file" );
}
triggerAuditEvent( member, AuditEvent.REMOVE_FILE );
}
}
catch ( IOException e )
{
throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR );
}
}
else
{
throw new DavException( HttpServletResponse.SC_NOT_FOUND );
}
}
private void triggerAuditEvent( DavResource member, String event ) throws DavException
{
String path = logicalResource + "/" + member.getDisplayName();
triggerAuditEvent( checkDavResourceIsArchivaDavResource( member ).remoteAddr, locator.getRepositoryId(), path,
event );
}
public void move( DavResource destination )
throws DavException
{
if ( !exists() )
{
throw new DavException( HttpServletResponse.SC_NOT_FOUND, "Resource to copy does not exist." );
}
try
{
ArchivaDavResource resource = checkDavResourceIsArchivaDavResource( destination );
if ( isCollection() )
{
FileUtils.moveDirectory( getLocalResource(), resource.getLocalResource() );
triggerAuditEvent( remoteAddr, locator.getRepositoryId(), logicalResource, AuditEvent.MOVE_DIRECTORY );
}
else
{
FileUtils.moveFile( getLocalResource(), resource.getLocalResource() );
triggerAuditEvent( remoteAddr, locator.getRepositoryId(), logicalResource, AuditEvent.MOVE_FILE );
}
}
catch ( IOException e )
{
throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
}
}
public void copy( DavResource destination, boolean shallow )
throws DavException
{
if ( !exists() )
{
throw new DavException( HttpServletResponse.SC_NOT_FOUND, "Resource to copy does not exist." );
}
if ( shallow && isCollection() )
{
throw new DavException( DavServletResponse.SC_FORBIDDEN, "Unable to perform shallow copy for collection" );
}
try
{
ArchivaDavResource resource = checkDavResourceIsArchivaDavResource( destination );
if ( isCollection() )
{
FileUtils.copyDirectory( getLocalResource(), resource.getLocalResource() );
triggerAuditEvent( remoteAddr, locator.getRepositoryId(), logicalResource, AuditEvent.COPY_DIRECTORY );
}
else
{
FileUtils.copyFile( getLocalResource(), resource.getLocalResource() );
triggerAuditEvent( remoteAddr, locator.getRepositoryId(), logicalResource, AuditEvent.COPY_FILE );
}
}
catch ( IOException e )
{
throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e );
}
}
public boolean isLockable( Type type, Scope scope )
{
return Type.WRITE.equals(type) && Scope.EXCLUSIVE.equals(scope);
}
public boolean hasLock( Type type, Scope scope )
{
return getLock(type, scope) != null;
}
public ActiveLock getLock( Type type, Scope scope )
{
ActiveLock lock = null;
if (exists() && Type.WRITE.equals(type) && Scope.EXCLUSIVE.equals(scope))
{
lock = lockManager.getLock(type, scope, this);
}
return lock;
}
public ActiveLock[] getLocks()
{
ActiveLock writeLock = getLock(Type.WRITE, Scope.EXCLUSIVE);
return (writeLock != null) ? new ActiveLock[]{writeLock} : new ActiveLock[0];
}
public ActiveLock lock( LockInfo lockInfo )
throws DavException
{
ActiveLock lock = null;
if (isLockable(lockInfo.getType(), lockInfo.getScope()))
{
lock = lockManager.createLock(lockInfo, this);
}
else
{
throw new DavException(DavServletResponse.SC_PRECONDITION_FAILED, "Unsupported lock type or scope.");
}
return lock;
}
public ActiveLock refreshLock( LockInfo lockInfo, String lockToken )
throws DavException
{
if (!exists()) {
throw new DavException(DavServletResponse.SC_NOT_FOUND);
}
ActiveLock lock = getLock(lockInfo.getType(), lockInfo.getScope());
if (lock == null) {
throw new DavException(DavServletResponse.SC_PRECONDITION_FAILED, "No lock with the given type/scope present on resource " + getResourcePath());
}
lock = lockManager.refreshLock(lockInfo, lockToken, this);
return lock;
}
public void unlock( String lockToken )
throws DavException
{
ActiveLock lock = getLock(Type.WRITE, Scope.EXCLUSIVE);
if (lock == null)
{
throw new DavException(HttpServletResponse.SC_PRECONDITION_FAILED);
}
else if (lock.isLockedByToken(lockToken))
{
lockManager.releaseLock(lockToken, this);
}
else
{
throw new DavException(DavServletResponse.SC_LOCKED);
}
}
public void addLockManager( LockManager lockManager )
{
this.lockManager = lockManager;
}
public DavResourceFactory getFactory()
{
return factory;
}
public DavSession getSession()
{
return session;
}
/**
* Fill the set of properties
*/
protected DavPropertySet initProperties()
{
if ( !exists() )
{
properties = new DavPropertySet();
}
if ( properties != null )
{
return properties;
}
DavPropertySet properties = new DavPropertySet();
// set (or reset) fundamental properties
if ( getDisplayName() != null )
{
properties.add( new DefaultDavProperty( DavPropertyName.DISPLAYNAME, getDisplayName() ) );
}
if ( isCollection() )
{
properties.add( new ResourceType( ResourceType.COLLECTION ) );
// Windows XP support
properties.add( new DefaultDavProperty( DavPropertyName.ISCOLLECTION, "1" ) );
}
else
{
properties.add( new ResourceType( ResourceType.DEFAULT_RESOURCE ) );
// Windows XP support
properties.add( new DefaultDavProperty( DavPropertyName.ISCOLLECTION, "0" ) );
}
// Need to get the ISO8601 date for properties
DateTime dt = new DateTime( localResource.lastModified() );
DateTimeFormatter fmt = ISODateTimeFormat.dateTime();
String modifiedDate = fmt.print( dt );
properties.add( new DefaultDavProperty( DavPropertyName.GETLASTMODIFIED, modifiedDate ) );
properties.add( new DefaultDavProperty( DavPropertyName.CREATIONDATE, modifiedDate ) );
properties.add( new DefaultDavProperty( DavPropertyName.GETCONTENTLENGTH, localResource.length() ) );
this.properties = properties;
return properties;
}
private ArchivaDavResource checkDavResourceIsArchivaDavResource( DavResource resource )
throws DavException
{
if ( !( resource instanceof ArchivaDavResource ) )
{
throw new DavException( HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"DavResource is not instance of ArchivaDavResource" );
}
return (ArchivaDavResource) resource;
}
private void triggerAuditEvent( String remoteIP, String repositoryId, String resource, String action )
{
String activePrincipal = ArchivaXworkUser.getActivePrincipal( ActionContext.getContext().getSession() );
AuditEvent event = new AuditEvent( repositoryId, activePrincipal, resource, action );
event.setRemoteIP( remoteIP );
for ( AuditListener listener : auditListeners )
{
listener.auditEvent( event );
}
}
}