195 lines
8.4 KiB
Java
195 lines
8.4 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.io.IOException;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.WeakHashMap;
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import java.util.logging.Logger;
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import org.jivesoftware.smack.Manager;
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import org.jivesoftware.smack.SmackException;
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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.smackx.disco.ServiceDiscoveryManager;
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import org.jivesoftware.smackx.jingle.JingleBytestreamManager;
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import org.jivesoftware.smackx.jingle.JingleContentProviderManager;
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import org.jivesoftware.smackx.jingle.JingleHandler;
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import org.jivesoftware.smackx.jingle.JingleManager;
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import org.jivesoftware.smackx.jingle.JingleTransportManager;
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import org.jivesoftware.smackx.jingle.element.Jingle;
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import org.jivesoftware.smackx.jingle.element.JingleAction;
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import org.jivesoftware.smackx.jingle.element.JingleContentDescriptionChildElement;
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import org.jivesoftware.smackx.jingle.exception.UnsupportedJingleTransportException;
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import org.jivesoftware.smackx.jingle_filetransfer.callback.IncomingJingleFileTransferCallback;
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import org.jivesoftware.smackx.jingle_filetransfer.element.JingleFileTransferChildElement;
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import org.jivesoftware.smackx.jingle_filetransfer.element.JingleFileTransferContentDescription;
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import org.jivesoftware.smackx.jingle_filetransfer.handler.IncomingFileTransferResponded;
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import org.jivesoftware.smackx.jingle_filetransfer.handler.OutgoingFileTransferInitiator;
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import org.jivesoftware.smackx.jingle_filetransfer.listener.IncomingJingleFileTransferListener;
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import org.jivesoftware.smackx.jingle_filetransfer.provider.JingleFileTransferContentDescriptionProvider;
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import org.jivesoftware.smackx.jingle_ibb2.JingleIBBTransportManager;
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import org.jxmpp.jid.FullJid;
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/**
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* Manager for Jingle File Transfers.
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*
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* @author Paul Schaub
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*/
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public final class JingleFileTransferManager extends Manager implements JingleHandler {
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private static final Logger LOGGER = Logger.getLogger(JingleFileTransferManager.class.getName());
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public static final String NAMESPACE_V5 = "urn:xmpp:jingle:apps:file-transfer:5";
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private final JingleManager jingleManager;
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private static final WeakHashMap<XMPPConnection, JingleFileTransferManager> INSTANCES = new WeakHashMap<>();
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private final HashSet<IncomingJingleFileTransferListener> incomingJingleFileTransferListeners = new HashSet<>();
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/**
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* Private constructor. This registers a JingleContentDescriptionFileTransferProvider with the
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* JingleContentProviderManager.
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* @param connection connection
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*/
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private JingleFileTransferManager(XMPPConnection connection) {
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super(connection);
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ServiceDiscoveryManager sdm = ServiceDiscoveryManager.getInstanceFor(connection);
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sdm.addFeature(NAMESPACE_V5);
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jingleManager = JingleManager.getInstanceFor(connection);
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jingleManager.registerDescriptionHandler(
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NAMESPACE_V5, this);
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JingleContentProviderManager.addJingleContentDescriptionProvider(
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NAMESPACE_V5, new JingleFileTransferContentDescriptionProvider());
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JingleIBBTransportManager.getInstanceFor(connection);
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//JingleInBandBytestreamTransportManager.getInstanceFor(connection);
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//JingleSocks5BytestreamTransportManager.getInstanceFor(connection);
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}
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/**
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* Return a new instance of the FileTransferManager for the given connection.
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*
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* @param connection XMPPConnection we wish to get a FileTransferManager for.
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* @return manager instance.
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*/
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public static JingleFileTransferManager getInstanceFor(XMPPConnection connection) {
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JingleFileTransferManager manager = INSTANCES.get(connection);
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if (manager == null) {
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manager = new JingleFileTransferManager(connection);
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INSTANCES.put(connection, manager);
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}
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return manager;
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}
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public void addIncomingFileTransferListener(IncomingJingleFileTransferListener listener) {
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incomingJingleFileTransferListeners.add(listener);
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}
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public void removeIncomingFileTransferListener(IncomingJingleFileTransferListener listener) {
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incomingJingleFileTransferListeners.remove(listener);
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}
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void notifyIncomingFileTransferListeners(Jingle jingle, IncomingJingleFileTransferCallback callback) {
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for (IncomingJingleFileTransferListener l : incomingJingleFileTransferListeners) {
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l.onIncomingJingleFileTransfer(jingle, callback);
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}
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}
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public void addFileTransferRejectedListener() {
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}
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/**
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* QnD method.
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* @param file
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*/
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public void sendFile(File file, final FullJid recipient) throws IOException, SmackException, InterruptedException, XMPPException {
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JingleBytestreamManager<?> tm = JingleTransportManager.getInstanceFor(connection())
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.getAvailableJingleBytestreamManagers().iterator().next();
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JingleFileTransferChildElement.Builder b = JingleFileTransferChildElement.getBuilder();
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b.setFile(file);
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b.setDescription("File");
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b.setMediaType("application/octet-stream");
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JingleFileTransferContentDescription description = new JingleFileTransferContentDescription(
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Collections.singletonList((JingleContentDescriptionChildElement) b.build()));
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Jingle initiate = tm.createSessionInitiate(recipient, description);
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JingleManager.FullJidAndSessionId fullJidAndSessionId =
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new JingleManager.FullJidAndSessionId(recipient, initiate.getSid());
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jingleManager.registerJingleSessionHandler(recipient, initiate.getSid(),
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new OutgoingFileTransferInitiator(this, fullJidAndSessionId, file));
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connection().sendStanza(initiate);
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}
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public FullJid ourJid() {
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return connection().getUser();
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}
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@Override
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public IQ handleJingleSessionInitiate(final Jingle jingle) {
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if (jingle.getAction() != JingleAction.session_initiate) {
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//TODO tie-break?
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return null;
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}
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JingleTransportManager tm = JingleTransportManager.getInstanceFor(connection());
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String transportNamespace = jingle.getContents().get(0).getJingleTransports().get(0).getNamespace();
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JingleBytestreamManager<?> transportManager = null;
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for (JingleBytestreamManager<?> b : tm.getAvailableJingleBytestreamManagers()) {
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if (b.getNamespace().equals(transportNamespace)) {
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transportManager = b;
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}
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}
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if (transportManager == null) {
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//TODO unsupported-transport?
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return null;
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}
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final JingleBytestreamManager<?> finalTransportManager = transportManager;
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notifyIncomingFileTransferListeners(jingle, new IncomingJingleFileTransferCallback() {
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@Override
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public void acceptFileTransfer(File target) throws SmackException.NotConnectedException, InterruptedException, XMPPException.XMPPErrorException, UnsupportedJingleTransportException, SmackException.NoResponseException {
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connection().sendStanza(finalTransportManager.createSessionAccept(jingle));
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IncomingFileTransferResponded responded = new IncomingFileTransferResponded(JingleFileTransferManager.this, jingle, target);
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jingleManager.registerJingleSessionHandler(jingle.getFrom().asFullJidIfPossible(), jingle.getSid(),
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responded);
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finalTransportManager.setIncomingRespondedSessionListener(jingle, responded);
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}
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@Override
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public void cancelFileTransfer() throws SmackException.NotConnectedException, InterruptedException {
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//TODO
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}
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});
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return IQ.createResultIQ(jingle);
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}
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public XMPPConnection getConnection() {
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return connection();
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}
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}
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