2017-06-18 16:47:49 +02:00
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/**
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*
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* Copyright 2017 Paul Schaub
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.jingle_filetransfer;
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2017-06-19 14:44:35 +02:00
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import java.io.File;
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2017-06-19 15:26:10 +02:00
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import java.util.logging.Level;
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import java.util.logging.Logger;
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2017-06-19 14:44:35 +02:00
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2017-06-19 15:26:10 +02:00
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import org.jivesoftware.smack.SmackException;
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2017-06-19 14:44:35 +02:00
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import org.jivesoftware.smack.XMPPConnection;
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2017-06-19 15:26:10 +02:00
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import org.jivesoftware.smack.XMPPException;
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2017-06-19 14:44:35 +02:00
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import org.jivesoftware.smack.packet.IQ;
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2017-06-21 16:11:13 +02:00
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import org.jivesoftware.smackx.bytestreams.BytestreamSession;
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2017-06-19 15:26:10 +02:00
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import org.jivesoftware.smackx.jingle.JingleTransportMethodManager;
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2017-06-18 16:47:49 +02:00
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import org.jivesoftware.smackx.jingle.Role;
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2017-06-19 14:44:35 +02:00
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import org.jivesoftware.smackx.jingle.element.Jingle;
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2017-06-19 15:26:10 +02:00
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import org.jivesoftware.smackx.jingle.element.JingleContent;
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2017-06-21 16:11:13 +02:00
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import org.jivesoftware.smackx.jingle.transports.JingleTransportInitiationCallback;
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2017-06-23 22:48:28 +02:00
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import org.jivesoftware.smackx.jingle.transports.JingleTransportManager;
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import org.jivesoftware.smackx.jingle_filetransfer.callback.IncomingFileOfferCallback;
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2017-06-19 19:22:59 +02:00
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import org.jivesoftware.smackx.jingle_filetransfer.element.JingleFileTransfer;
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2017-06-18 16:47:49 +02:00
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import org.jxmpp.jid.FullJid;
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/**
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2017-06-19 17:55:04 +02:00
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* We are the responder and we are the recipient.
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2017-06-18 16:47:49 +02:00
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*/
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2017-06-19 17:55:04 +02:00
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public class IncomingJingleFileOffer extends JingleFileTransferSession implements IncomingFileOfferCallback {
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private static final Logger LOGGER = Logger.getLogger(IncomingJingleFileOffer.class.getName());
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2017-06-21 14:11:42 +02:00
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private Jingle pendingSessionInitiate = null;
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2017-06-23 23:41:40 +02:00
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private ReceiveTask receivingThread;
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2017-06-21 14:11:42 +02:00
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public enum State {
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fresh,
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pending,
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sent_transport_replace,
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active,
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terminated
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}
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private State state;
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public IncomingJingleFileOffer(XMPPConnection connection, FullJid initiator, String sid) {
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super(connection, initiator, connection.getUser().asFullJidOrThrow(), Role.responder, sid, Type.offer);
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2017-06-21 18:03:31 +02:00
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state = State.fresh;
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}
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public IncomingJingleFileOffer(XMPPConnection connection, Jingle request) {
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this(connection, request.getInitiator(), request.getSid());
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}
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@Override
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public IQ handleSessionInitiate(Jingle initiate) throws InterruptedException, XMPPException.XMPPErrorException, SmackException.NotConnectedException, SmackException.NoResponseException {
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JingleTransportMethodManager tm = JingleTransportMethodManager.getInstanceFor(connection);
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2017-06-21 14:11:42 +02:00
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if (state != State.fresh) {
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//Out of order (initiate after accept)
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LOGGER.log(Level.WARNING, "Action " + initiate.getAction() + " is out of order!");
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return jutil.createErrorOutOfOrder(initiate);
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}
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2017-06-19 19:22:59 +02:00
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JingleContent content = initiate.getContents().get(0);
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this.creator = content.getCreator();
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this.file = (JingleFileTransfer) content.getDescription();
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this.name = content.getName();
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JingleTransportManager<?> transportManager = tm.getTransportManager(initiate);
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if (transportManager == null) {
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2017-06-21 15:54:20 +02:00
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//Try fallback.
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pendingSessionInitiate = initiate;
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transportManager = tm.getBestAvailableTransportManager();
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if (transportManager == null) {
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//No usable transports.
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LOGGER.log(Level.WARNING, "No usable transports.");
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jutil.sendSessionTerminateUnsupportedTransports(initiate.getInitiator(), initiate.getSid());
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state = State.terminated;
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return jutil.createAck(initiate);
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}
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2017-06-23 22:48:28 +02:00
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transportSession = transportManager.transportSession(this);
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jutil.sendTransportReplace(initiate.getFrom().asFullJidOrThrow(), initiate.getInitiator(),
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initiate.getSid(), creator, name, transportSession.createTransport());
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2017-06-21 14:11:42 +02:00
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state = State.sent_transport_replace;
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return jutil.createAck(initiate);
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}
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2017-06-19 19:22:59 +02:00
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2017-06-23 22:48:28 +02:00
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transportSession = transportManager.transportSession(this);
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transportSession.setRemoteTransport(initiate.getContents().get(0).getJingleTransport());
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2017-06-19 15:26:10 +02:00
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JingleFileTransferManager.getInstanceFor(connection).notifyIncomingFileOffer(initiate, this);
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2017-06-21 14:11:42 +02:00
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state = State.pending;
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2017-06-19 15:26:10 +02:00
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return jutil.createAck(initiate);
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}
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2017-06-19 14:44:35 +02:00
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2017-06-19 15:26:10 +02:00
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@Override
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public IQ handleTransportAccept(Jingle transportAccept) {
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LOGGER.log(Level.INFO, "Received transport-accept.");
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2017-06-21 14:11:42 +02:00
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if (state != State.sent_transport_replace) {
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LOGGER.log(Level.WARNING, "Session is in state " + state + ", so the transport-accept is out of order.");
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return jutil.createErrorOutOfOrder(transportAccept);
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}
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2017-06-19 14:44:35 +02:00
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2017-06-21 14:11:42 +02:00
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JingleFileTransferManager.getInstanceFor(connection).notifyIncomingFileOffer(pendingSessionInitiate, this);
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2017-06-23 22:48:28 +02:00
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transportSession.setRemoteTransport(transportAccept.getContents().get(0).getJingleTransport());
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2017-06-21 14:11:42 +02:00
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state = State.pending;
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return jutil.createAck(transportAccept);
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}
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@Override
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public void acceptIncomingFileOffer(final Jingle request, final File target) {
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LOGGER.log(Level.INFO, "Client accepted incoming file offer. Try to start receiving.");
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2017-06-23 22:48:28 +02:00
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if (transportSession == null) {
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2017-06-19 15:26:10 +02:00
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//Unsupported transport
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LOGGER.log(Level.WARNING, "Unsupported Transport method.");
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try {
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2017-06-21 14:11:42 +02:00
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jutil.sendSessionTerminateUnsupportedTransports(request.getFrom().asFullJidOrThrow(), sid);
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2017-06-19 15:26:10 +02:00
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} catch (InterruptedException | SmackException.NoResponseException | SmackException.NotConnectedException | XMPPException.XMPPErrorException e) {
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LOGGER.log(Level.SEVERE, "Could not send session-terminate: " + e, e);
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2017-06-19 14:44:35 +02:00
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}
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2017-06-19 15:26:10 +02:00
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return;
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}
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2017-06-23 22:48:28 +02:00
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queued.add(threadPool.submit(new Runnable() {
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2017-06-22 14:47:39 +02:00
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@Override
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public void run() {
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try {
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state = State.active;
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2017-06-23 22:48:28 +02:00
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transportSession.initiateIncomingSession(new JingleTransportInitiationCallback() {
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2017-06-22 14:47:39 +02:00
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@Override
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public void onSessionInitiated(BytestreamSession bytestreamSession) {
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2017-06-23 23:41:40 +02:00
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receivingThread = new ReceiveTask(bytestreamSession, file, target);
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queued.add(threadPool.submit(receivingThread));
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2017-06-22 14:47:39 +02:00
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}
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@Override
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public void onException(Exception e) {
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}
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});
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2017-06-23 22:48:28 +02:00
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jutil.sendSessionAccept(getInitiator(), sid, creator, name, JingleContent.Senders.initiator, file, transportSession.createTransport());
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2017-06-22 14:47:39 +02:00
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} catch (SmackException.NotConnectedException | SmackException.NoResponseException | XMPPException.XMPPErrorException | InterruptedException e) {
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LOGGER.log(Level.SEVERE, "Could not send session-accept: " + e, e);
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2017-06-21 16:11:13 +02:00
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}
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2017-06-22 14:47:39 +02:00
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}
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2017-06-23 22:48:28 +02:00
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}));
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2017-06-19 15:26:10 +02:00
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}
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@Override
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public void declineIncomingFileOffer(Jingle request) {
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2017-06-21 14:11:42 +02:00
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state = State.terminated;
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2017-06-19 15:26:10 +02:00
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try {
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jutil.sendSessionTerminateDecline(request.getInitiator(), request.getSid());
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} catch (SmackException.NotConnectedException | SmackException.NoResponseException | XMPPException.XMPPErrorException | InterruptedException e) {
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LOGGER.log(Level.SEVERE, "Could not send session-terminate: " + e, e);
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}
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}
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2017-06-18 16:47:49 +02:00
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}
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