/*
* Copyright 2004-2005 the original author or authors.
*
* 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.jml.message.p2p;
import java.io.File;
import java.io.UnsupportedEncodingException;
import net.sf.jml.MsnContact;
import net.sf.jml.impl.AbstractMessenger;
import net.sf.jml.impl.MsnFileTransferImpl;
import net.sf.jml.protocol.MsnSession;
import net.sf.jml.protocol.msnslp.MsnslpRequest;
import net.sf.jml.util.Base64;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
*
* @author Damian Minkov
*/
public class MsnFileInviteMessage
extends MsnP2PSlpMessage
{
private static final Log logger =
LogFactory.getLog(MsnFileInviteMessage.class);
public static final String METHOD_INVITE = "INVITE";
public static final String KEY_GUID_EUF = "EUF-GUID";
public static final String KEY_CONTEXT = "Context";
public static final String KEY_FROM = "From";
public static final String GUID_EUF =
"{5D3E02AB-6190-11D3-BBBB-00C04F795683}";
public MsnFileInviteMessage()
{
}
@Override
protected void messageReceived(MsnSession session, MsnContact contact)
{
if(!(getSlpMessage() instanceof MsnslpRequest))
{
logger.info("not a MsnslpRequest: " +
getSlpMessage().getClass().getName());
return;
}
// Get Slp message
MsnslpRequest msnslpRequest = (MsnslpRequest) getSlpMessage();
// Get a properties
String method = msnslpRequest.getRequestMethod();
String guid_euf = msnslpRequest.getBodys().getProperty(KEY_GUID_EUF);
String context = msnslpRequest.getBodys().getProperty(KEY_CONTEXT);
int sessionIdInt =
getSlpMessage().getBodys().getIntProperty("SessionID", -1);
String sessionId = String.valueOf(sessionIdInt);
if (method != null && method.equals(METHOD_INVITE) &&
msnslpRequest.getCSeq() == 0 &&
guid_euf != null && guid_euf.equals(GUID_EUF) &&
context != null)
{
context = context.substring(0,context.length()-1);
byte[] contextDecoded = Base64.decode(context);
long fileSize = MsnFileContextParser.getFileSize(contextDecoded, 8);
String fileName = null;
try
{
fileName = MsnFileContextParser.getFileName(contextDecoded, 20);
}
catch (UnsupportedEncodingException ex)
{
logger.error("Cannot extract fileName", ex);
return;
}
MsnFileTransferImpl fileTransfer =
new MsnFileTransferImpl(sessionId, contact.getEmail(), this, session, false);
fileTransfer.setContact(contact);
fileTransfer.setFile(new File(fileName));
fileTransfer.setFileTotalSize(fileSize);
FileTransferWorker ftw = new FileTransferWorker(fileTransfer);
session.getMessenger().getFileTransferManager().
addFileTransfer(sessionId, ftw);
ftw.sendP2PAck(this, false);
((AbstractMessenger)session.getMessenger()).
fireFileTransferRequestReceived(fileTransfer);
}
else
{
// we can receive second invite containing
// some network properties for peer2peer connection
// like ipv6 address
// if not responded after 5 seconds a filetransfer
// with msn relay will be received
FileTransferWorker ftw = session.getMessenger().getFileTransferManager()
.getFileTransferWorker(sessionId);
if(ftw != null)
ftw.sendDeny(this);
//super.messageReceived(session, contact);
}
}
}