net.sf.webdav.methods.DoPut Maven / Gradle / Ivy
/**
* Copyright (C) 2006 Apache Software Foundation ([email protected])
*
* Licensed 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.
*/
package net.sf.webdav.methods;
import static net.sf.webdav.WebdavStatus.SC_BAD_REQUEST;
import static net.sf.webdav.WebdavStatus.SC_CREATED;
import static net.sf.webdav.WebdavStatus.SC_FORBIDDEN;
import static net.sf.webdav.WebdavStatus.SC_INTERNAL_SERVER_ERROR;
import static net.sf.webdav.WebdavStatus.SC_LOCKED;
import static net.sf.webdav.WebdavStatus.SC_NOT_FOUND;
import static net.sf.webdav.WebdavStatus.SC_NO_CONTENT;
import java.io.IOException;
import java.util.Hashtable;
import net.sf.webdav.StoredObject;
import net.sf.webdav.WebdavStatus;
import net.sf.webdav.exceptions.AccessDeniedException;
import net.sf.webdav.exceptions.LockFailedException;
import net.sf.webdav.exceptions.WebdavException;
import net.sf.webdav.locking.IResourceLocks;
import net.sf.webdav.locking.LockedObject;
import net.sf.webdav.spi.ITransaction;
import net.sf.webdav.spi.IWebdavStore;
import net.sf.webdav.spi.WebdavRequest;
import net.sf.webdav.spi.WebdavResponse;
public class DoPut
extends AbstractMethod
{
private static org.slf4j.Logger LOG = org.slf4j.LoggerFactory.getLogger( DoPut.class );
private final IWebdavStore _store;
private final IResourceLocks _resourceLocks;
private final boolean _readOnly;
private final boolean _lazyFolderCreationOnPut;
private String _userAgent;
public DoPut( final IWebdavStore store, final IResourceLocks resLocks, final boolean readOnly, final boolean lazyFolderCreationOnPut )
{
_store = store;
_resourceLocks = resLocks;
_readOnly = readOnly;
_lazyFolderCreationOnPut = lazyFolderCreationOnPut;
}
@Override
public void execute( final ITransaction transaction, final WebdavRequest req, final WebdavResponse resp )
throws IOException, LockFailedException
{
LOG.trace( "-- " + this.getClass()
.getName() );
if ( !_readOnly )
{
final String path = getRelativePath( req );
final String parentPath = getParentPath( path );
_userAgent = req.getHeader( "User-Agent" );
final Hashtable errorList = new Hashtable();
if ( !checkLocks( transaction, req, resp, _resourceLocks, parentPath ) )
{
errorList.put( parentPath, SC_LOCKED );
sendReport( req, resp, errorList );
return; // parent is locked
}
if ( !checkLocks( transaction, req, resp, _resourceLocks, path ) )
{
errorList.put( path, SC_LOCKED );
sendReport( req, resp, errorList );
return; // resource is locked
}
final String tempLockOwner = "doPut" + System.currentTimeMillis() + req.toString();
if ( _resourceLocks.lock( transaction, path, tempLockOwner, false, 0, TEMP_TIMEOUT, TEMPORARY ) )
{
StoredObject parentSo, so = null;
try
{
parentSo = _store.getStoredObject( transaction, parentPath );
if ( parentPath != null && parentSo != null && parentSo.isResource() )
{
resp.sendError( SC_FORBIDDEN );
return;
}
else if ( parentPath != null && parentSo == null && _lazyFolderCreationOnPut )
{
_store.createFolder( transaction, parentPath );
}
else if ( parentPath != null && parentSo == null && !_lazyFolderCreationOnPut )
{
errorList.put( parentPath, SC_NOT_FOUND );
sendReport( req, resp, errorList );
return;
}
so = _store.getStoredObject( transaction, path );
if ( so == null )
{
_store.createResource( transaction, path );
// resp.setStatus(SC_CREATED);
}
else
{
// This has already been created, just update the data
if ( so.isNullResource() )
{
final LockedObject nullResourceLo = _resourceLocks.getLockedObjectByPath( transaction, path );
if ( nullResourceLo == null )
{
resp.sendError( SC_INTERNAL_SERVER_ERROR );
return;
}
final String nullResourceLockToken = nullResourceLo.getID();
final String[] lockTokens = getLockIdFromIfHeader( req );
String lockToken = null;
if ( lockTokens != null )
{
lockToken = lockTokens[0];
}
else
{
resp.sendError( SC_BAD_REQUEST );
return;
}
if ( lockToken.equals( nullResourceLockToken ) )
{
so.setNullResource( false );
so.setFolder( false );
final String[] nullResourceLockOwners = nullResourceLo.getOwner();
String owner = null;
if ( nullResourceLockOwners != null )
{
owner = nullResourceLockOwners[0];
}
if ( !_resourceLocks.unlock( transaction, lockToken, owner ) )
{
resp.sendError( SC_INTERNAL_SERVER_ERROR );
}
}
else
{
errorList.put( path, SC_LOCKED );
sendReport( req, resp, errorList );
}
}
}
// User-Agent workarounds
doUserAgentWorkaround( resp );
// setting resourceContent
final long resourceLength = _store.setResourceContent( transaction, path, req.getInputStream(), null, null );
so = _store.getStoredObject( transaction, path );
if ( resourceLength != -1 )
{
so.setResourceLength( resourceLength );
// Now lets report back what was actually saved
}
}
catch ( final AccessDeniedException e )
{
resp.sendError( SC_FORBIDDEN );
}
catch ( final WebdavException e )
{
resp.sendError( SC_INTERNAL_SERVER_ERROR );
}
finally
{
_resourceLocks.unlockTemporaryLockedObjects( transaction, path, tempLockOwner );
}
}
else
{
resp.sendError( SC_INTERNAL_SERVER_ERROR );
}
}
else
{
resp.sendError( SC_FORBIDDEN );
}
}
/**
* @param resp
*/
private void doUserAgentWorkaround( final WebdavResponse resp )
{
if ( _userAgent != null && _userAgent.indexOf( "WebDAVFS" ) != -1 && _userAgent.indexOf( "Transmit" ) == -1 )
{
LOG.trace( "DoPut.execute() : do workaround for user agent '" + _userAgent + "'" );
resp.setStatus( SC_CREATED );
}
else if ( _userAgent != null && _userAgent.indexOf( "Transmit" ) != -1 )
{
// Transmit also uses WEBDAVFS 1.x.x but crashes
// with SC_CREATED response
LOG.trace( "DoPut.execute() : do workaround for user agent '" + _userAgent + "'" );
resp.setStatus( SC_NO_CONTENT );
}
else
{
resp.setStatus( SC_CREATED );
}
}
}
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