mirror of
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209 lines
8.7 KiB
Java
209 lines
8.7 KiB
Java
/**
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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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import java.io.File;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import org.jivesoftware.smack.SmackException;
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import org.jivesoftware.smack.SmackFuture;
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import org.jivesoftware.smack.XMPPConnection;
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import org.jivesoftware.smack.XMPPException;
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import org.jivesoftware.smack.packet.IQ;
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import org.jivesoftware.smack.util.StringUtils;
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import org.jivesoftware.smackx.bytestreams.BytestreamSession;
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import org.jivesoftware.smackx.jingle.JingleManager;
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import org.jivesoftware.smackx.jingle.JingleTransportMethodManager;
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import org.jivesoftware.smackx.jingle.Role;
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import org.jivesoftware.smackx.jingle.element.Jingle;
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import org.jivesoftware.smackx.jingle.element.JingleContent;
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import org.jivesoftware.smackx.jingle.transports.JingleTransportInitiationCallback;
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import org.jivesoftware.smackx.jingle.transports.JingleTransportManager;
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import org.jivesoftware.smackx.jingle_filetransfer.element.JingleFileTransfer;
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import org.jxmpp.jid.FullJid;
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/**
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* We are the initiator and we are the sender.
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*/
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public class OutgoingJingleFileOffer extends JingleFileTransferSession {
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private static final Logger LOGGER = Logger.getLogger(OutgoingJingleFileOffer.class.getName());
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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 Runnable sendingThread;
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private File source;
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private State state;
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public OutgoingJingleFileOffer(XMPPConnection connection, FullJid responder, String sid) {
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super(connection, connection.getUser().asFullJidOrThrow(), responder, Role.initiator, sid, Type.offer);
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state = State.fresh;
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}
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public OutgoingJingleFileOffer(XMPPConnection connection, FullJid recipient) {
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this(connection, recipient, JingleManager.randomId());
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}
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public void send(File file) throws InterruptedException, XMPPException.XMPPErrorException,
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SmackException.NotConnectedException, SmackException.NoResponseException {
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source = file;
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String contentName = JingleManager.randomId();
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JingleFileTransfer transfer = JingleFileTransferManager.fileTransferFromFile(file);
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initiateFileOffer(transfer, JingleContent.Creator.initiator, contentName);
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}
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public SmackFuture<?> sendAsync(File file) {
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source = file;
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String contentName = "jft-" + StringUtils.randomString(20);
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JingleFileTransfer transfer = JingleFileTransferManager.fileTransferFromFile(file);
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return null; //TODO
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}
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public void initiateFileOffer(JingleFileTransfer file, JingleContent.Creator creator, String name) throws InterruptedException, XMPPException.XMPPErrorException, SmackException.NotConnectedException, SmackException.NoResponseException {
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if (state != State.fresh) {
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throw new IllegalStateException("This session is not fresh.");
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}
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JingleTransportManager<?> transportManager = JingleTransportMethodManager.getInstanceFor(connection)
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.getBestAvailableTransportManager();
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if (transportManager == null) {
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throw new IllegalStateException("There must be at least one workable transport method.");
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}
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transportSession = transportManager.transportSession(this);
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state = State.pending;
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Jingle initiate = jutil.createSessionInitiateFileOffer(getResponder(), getSessionId(), creator, name, file, transportSession.createTransport());
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this.contents.addAll(initiate.getContents());
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connection.sendStanza(initiate);
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}
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@Override
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public IQ handleSessionAccept(Jingle sessionAccept) throws SmackException.NotConnectedException, InterruptedException {
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// Out of order?
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if (state != State.pending) {
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LOGGER.log(Level.WARNING, "Session state is " + state + ", so session-accept is out of order.");
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return jutil.createErrorOutOfOrder(sessionAccept);
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}
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state = State.active;
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transportSession.processJingle(sessionAccept);
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transportSession.initiateOutgoingSession(new JingleTransportInitiationCallback() {
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@Override
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public void onSessionInitiated(final BytestreamSession session) {
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sendingThread = new SendTask(session, source);
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queued.add(JingleManager.getThreadPool().submit(sendingThread));
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}
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@Override
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public void onException(Exception e) {
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LOGGER.log(Level.SEVERE, "EXCEPTION IN OUTGOING SESSION:", e);
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}
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});
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return jutil.createAck(sessionAccept);
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}
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@Override
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public IQ handleSessionTerminate(Jingle sessionTerminate) {
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state = State.terminated;
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return jutil.createAck(sessionTerminate);
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}
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@Override
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public IQ handleTransportReplace(final Jingle transportReplace)
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throws InterruptedException, XMPPException.XMPPErrorException,
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SmackException.NotConnectedException, SmackException.NoResponseException {
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final JingleTransportManager<?> replacementManager = JingleTransportMethodManager.getInstanceFor(connection)
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.getTransportManager(transportReplace);
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queued.add(JingleManager.getThreadPool().submit(new Runnable() {
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@Override
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public void run() {
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try {
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if (replacementManager != null) {
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LOGGER.log(Level.INFO, "Accept transport-replace.");
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jutil.sendTransportAccept(transportReplace.getFrom().asFullJidOrThrow(),
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transportReplace.getInitiator(), transportReplace.getSid(),
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getContents().get(0).getCreator(), getContents().get(0).getName(),
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transportSession.createTransport());
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} else {
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LOGGER.log(Level.INFO, "Unsupported transport. Reject transport-replace.");
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jutil.sendTransportReject(transportReplace.getFrom().asFullJidOrThrow(), transportReplace.getInitiator(),
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transportReplace.getSid(), getContents().get(0).getCreator(),
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getContents().get(0).getName(), transportReplace.getContents().get(0).getJingleTransport());
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}
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} catch (InterruptedException | XMPPException.XMPPErrorException | SmackException.NotConnectedException | SmackException.NoResponseException e) {
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LOGGER.log(Level.SEVERE, "Help me please!", e);
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}
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}
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}));
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return jutil.createAck(transportReplace);
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}
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@Override
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public IQ handleTransportAccept(Jingle transportAccept)
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throws SmackException.NotConnectedException, InterruptedException {
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return handleSessionAccept(transportAccept);
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}
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@Override
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public void onTransportMethodFailed(String namespace) {
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state = State.pending;
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JingleContent content = contents.get(0);
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failedTransportMethods.add(namespace);
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JingleTransportMethodManager tm = JingleTransportMethodManager.getInstanceFor(getConnection());
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JingleTransportManager<?> next = tm.getBestAvailableTransportManager(failedTransportMethods);
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if (next == null) {
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//Failure
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try {
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jutil.sendSessionTerminateUnsupportedTransports(getRemote(), getSessionId());
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} catch (InterruptedException | SmackException.NoResponseException | SmackException.NotConnectedException | XMPPException.XMPPErrorException e) {
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LOGGER.log(Level.WARNING, "Could not send session-terminate.", e);
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}
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return;
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}
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//Replace transport
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this.transportSession = next.transportSession(this);
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try {
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jutil.sendTransportReplace(getRemote(), getInitiator(), getSessionId(), content.getCreator(), content.getName(),
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transportSession.createTransport());
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} catch (SmackException.NotConnectedException | SmackException.NoResponseException | XMPPException.XMPPErrorException | InterruptedException e) {
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LOGGER.log(Level.WARNING, "Could not send transport-replace.", e);
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}
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}
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}
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