2017-07-21 23:05:46 +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.transport.jingle_s5b;
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2017-07-19 23:15:17 +02:00
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2017-07-21 18:29:27 +02:00
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import java.io.IOException;
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2017-07-19 23:15:17 +02:00
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import java.util.Collections;
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2017-07-21 18:29:27 +02:00
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import java.util.Iterator;
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2017-07-19 23:15:17 +02:00
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import java.util.List;
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2017-07-21 18:29:27 +02:00
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import java.util.concurrent.TimeoutException;
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2017-07-22 00:26:50 +02:00
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import java.util.logging.Level;
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import java.util.logging.Logger;
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2017-07-19 23:15:17 +02:00
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2017-07-21 18:29:27 +02:00
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import org.jivesoftware.smack.SmackException;
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2017-07-19 23:15:17 +02:00
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import org.jivesoftware.smack.XMPPConnection;
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2017-07-21 18:29:27 +02:00
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import org.jivesoftware.smack.XMPPException;
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2017-07-22 00:26:50 +02:00
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import org.jivesoftware.smack.packet.IQ;
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2017-07-27 11:37:32 +02:00
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import org.jivesoftware.smack.packet.Stanza;
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2017-07-22 00:26:50 +02:00
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import org.jivesoftware.smackx.bytestreams.socks5.Socks5BytestreamSession;
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2017-07-21 17:58:57 +02:00
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import org.jivesoftware.smackx.bytestreams.socks5.Socks5Proxy;
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2017-07-21 18:29:27 +02:00
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import org.jivesoftware.smackx.bytestreams.socks5.Socks5Utils;
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2017-07-19 23:15:17 +02:00
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import org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream;
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2017-07-22 00:26:50 +02:00
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import org.jivesoftware.smackx.jingle.JingleManager;
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2017-07-27 18:09:49 +02:00
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import org.jivesoftware.smackx.jingle.callbacks.JingleTransportCallback;
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2017-07-27 15:18:18 +02:00
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import org.jivesoftware.smackx.jingle.components.JingleContent;
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import org.jivesoftware.smackx.jingle.components.JingleSession;
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import org.jivesoftware.smackx.jingle.components.JingleTransport;
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import org.jivesoftware.smackx.jingle.components.JingleTransportCandidate;
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2017-07-27 23:31:04 +02:00
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import org.jivesoftware.smackx.jingle.element.JingleContentTransportInfoElement;
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import org.jivesoftware.smackx.jingle.element.JingleElement;
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import org.jivesoftware.smackx.jingle.exception.FailedTransportException;
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2017-07-22 00:26:50 +02:00
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import org.jivesoftware.smackx.jingle.transport.jingle_s5b.element.JingleS5BTransportCandidateElement;
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import org.jivesoftware.smackx.jingle.transport.jingle_s5b.element.JingleS5BTransportElement;
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import org.jivesoftware.smackx.jingle.transport.jingle_s5b.element.JingleS5BTransportInfoElement;
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2017-07-19 23:15:17 +02:00
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import org.jxmpp.jid.FullJid;
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/**
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2017-07-21 23:05:46 +02:00
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* Jingle SOCKS5Bytestream transport component.
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2017-07-19 23:15:17 +02:00
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*/
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2017-07-21 23:51:06 +02:00
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public class JingleS5BTransport extends JingleTransport<JingleS5BTransportElement> {
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private static final Logger LOGGER = Logger.getLogger(JingleS5BTransport.class.getName());
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2017-07-19 23:15:17 +02:00
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public static final String NAMESPACE_V1 = "urn:xmpp:jingle:transports:s5b:1";
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public static final String NAMESPACE = NAMESPACE_V1;
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2017-07-21 23:05:46 +02:00
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public static final int MAX_TIMEOUT = 10 * 1000;
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private final String sid;
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private String dstAddr;
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private Bytestream.Mode mode;
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2017-07-21 18:29:27 +02:00
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// PEERS candidate of OUR choice.
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private JingleS5BTransportCandidate selectedCandidate;
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2017-07-19 23:15:17 +02:00
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2017-07-27 18:09:49 +02:00
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private JingleTransportCallback callback;
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2017-07-21 18:29:27 +02:00
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/**
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* Create fresh JingleS5BTransport.
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2017-07-21 23:05:46 +02:00
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* @param initiator initiator.
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* @param responder responder.
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2017-07-21 18:29:27 +02:00
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*/
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2017-07-21 23:51:06 +02:00
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public JingleS5BTransport(FullJid initiator, FullJid responder, String sid, List<JingleTransportCandidate<?>> candidates) {
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2017-07-21 23:05:46 +02:00
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this(sid, Socks5Utils.createDigest(sid, initiator, responder), Bytestream.Mode.tcp, candidates);
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}
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2017-08-02 20:52:52 +02:00
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/**
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* Create a JingleS5BTransport as response to another JingleS5BTransport proposal.
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* @param content content which this transport will be child of.
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* @param other other JingleS5BTransport proposal.
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* @param candidates list of available JingleS5BTransportCandidates.
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*/
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2017-07-21 23:51:06 +02:00
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public JingleS5BTransport(JingleContent content, JingleS5BTransport other, List<JingleTransportCandidate<?>> candidates) {
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2017-07-21 23:05:46 +02:00
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this(other.getSid(),
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Socks5Utils.createDigest(other.getSid(), content.getParent().getInitiator(), content.getParent().getResponder()),
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other.mode, candidates);
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2017-08-01 17:12:27 +02:00
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setPeersProposal(other);
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2017-07-21 18:29:27 +02:00
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}
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2017-07-19 23:15:17 +02:00
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2017-08-02 20:52:52 +02:00
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/**
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* Create a new JingleS5BTransport.
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* @param sid
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* @param dstAddr
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* @param mode
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* @param candidates
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*/
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2017-07-21 23:51:06 +02:00
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public JingleS5BTransport(String sid, String dstAddr, Bytestream.Mode mode, List<JingleTransportCandidate<?>> candidates) {
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2017-07-19 23:15:17 +02:00
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this.sid = sid;
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this.dstAddr = dstAddr;
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this.mode = mode;
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2017-07-21 23:51:06 +02:00
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for (JingleTransportCandidate<?> c : (candidates != null ?
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candidates : Collections.<JingleS5BTransportCandidate>emptySet())) {
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2017-07-21 17:58:57 +02:00
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addCandidate(c);
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}
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}
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2017-08-02 20:52:52 +02:00
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/**
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* Copy constructor.
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* @param transport which will be copied.
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*/
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2017-08-01 17:12:27 +02:00
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public JingleS5BTransport(JingleS5BTransport transport) {
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2017-08-02 20:52:52 +02:00
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this(transport.sid, transport.dstAddr, transport.mode, null);
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for (JingleTransportCandidate<?> c : transport.getCandidates()) {
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this.addCandidate(new JingleS5BTransportCandidate((JingleS5BTransportCandidate) c));
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}
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2017-08-01 17:12:27 +02:00
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}
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2017-07-19 23:15:17 +02:00
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@Override
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public JingleS5BTransportElement getElement() {
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JingleS5BTransportElement.Builder builder = JingleS5BTransportElement.getBuilder()
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.setStreamId(sid)
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.setDestinationAddress(dstAddr)
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.setMode(mode);
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2017-07-27 17:35:16 +02:00
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for (JingleTransportCandidate<?> candidate : getCandidates()) {
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2017-07-21 17:58:57 +02:00
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builder.addTransportCandidate((JingleS5BTransportCandidateElement) candidate.getElement());
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}
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return builder.build();
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}
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2017-07-21 23:05:46 +02:00
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public String getSid() {
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return sid;
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}
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2017-07-21 17:58:57 +02:00
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public String getDstAddr() {
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return dstAddr;
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}
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public Bytestream.Mode getMode() {
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return mode;
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}
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2017-07-19 23:15:17 +02:00
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@Override
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public String getNamespace() {
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return NAMESPACE;
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}
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@Override
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2017-07-27 22:23:10 +02:00
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public void establishIncomingBytestreamSession(XMPPConnection connection, JingleTransportCallback callback, JingleSession session)
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2017-07-21 23:05:46 +02:00
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throws SmackException.NotConnectedException, InterruptedException {
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2017-07-27 18:09:49 +02:00
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this.callback = callback;
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2017-07-25 20:25:36 +02:00
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establishBytestreamSession(connection);
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2017-07-19 23:15:17 +02:00
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}
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@Override
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2017-07-27 22:23:10 +02:00
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public void establishOutgoingBytestreamSession(XMPPConnection connection, JingleTransportCallback callback, JingleSession session)
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2017-07-21 23:05:46 +02:00
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throws SmackException.NotConnectedException, InterruptedException {
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2017-07-27 18:09:49 +02:00
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this.callback = callback;
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2017-07-25 20:25:36 +02:00
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establishBytestreamSession(connection);
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2017-07-21 23:05:46 +02:00
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}
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2017-07-25 20:25:36 +02:00
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void establishBytestreamSession(XMPPConnection connection)
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2017-07-21 23:05:46 +02:00
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throws SmackException.NotConnectedException, InterruptedException {
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Socks5Proxy.getSocks5Proxy().addTransfer(dstAddr);
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JingleS5BTransportManager transportManager = JingleS5BTransportManager.getInstanceFor(connection);
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this.selectedCandidate = connectToCandidates(MAX_TIMEOUT);
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2017-07-21 23:51:06 +02:00
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if (selectedCandidate == CANDIDATE_FAILURE) {
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2017-07-21 23:05:46 +02:00
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connection.createStanzaCollectorAndSend(transportManager.createCandidateError(this));
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2017-07-22 00:26:50 +02:00
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return;
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2017-07-21 23:05:46 +02:00
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}
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2017-07-22 00:26:50 +02:00
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if (selectedCandidate == null) {
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throw new AssertionError("MUST NOT BE NULL.");
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}
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2017-07-19 23:15:17 +02:00
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2017-07-22 00:26:50 +02:00
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connection.createStanzaCollectorAndSend(transportManager.createCandidateUsed(this, selectedCandidate));
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2017-07-22 01:01:50 +02:00
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connectIfReady();
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2017-07-19 23:15:17 +02:00
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}
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2017-07-21 18:31:42 +02:00
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public JingleS5BTransportCandidate connectToCandidates(int timeout) {
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2017-08-01 17:12:27 +02:00
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for (JingleTransportCandidate<?> c : getPeersProposal().getCandidates()) {
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2017-07-21 18:31:42 +02:00
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int _timeout = timeout / getCandidates().size(); //TODO: Wise?
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2017-07-21 18:29:27 +02:00
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try {
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2017-08-01 17:12:27 +02:00
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return ((JingleS5BTransportCandidate) c).connect(_timeout, true);
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2017-07-21 18:29:27 +02:00
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} catch (IOException | TimeoutException | InterruptedException | SmackException | XMPPException e) {
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2017-07-27 23:31:04 +02:00
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LOGGER.log(Level.WARNING, "Exception while connecting to candidate: " + e, e);
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2017-07-21 18:29:27 +02:00
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}
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}
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2017-07-21 18:31:42 +02:00
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// Failed to connect to any candidate.
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2017-07-21 23:51:06 +02:00
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return CANDIDATE_FAILURE;
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2017-07-21 18:29:27 +02:00
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}
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2017-07-22 00:26:50 +02:00
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void connectIfReady() {
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JingleS5BTransportManager jingleS5BTransportManager = JingleS5BTransportManager.getInstanceFor(getParent().getParent().getJingleManager().getConnection());
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JingleS5BTransport peers = (JingleS5BTransport) getPeersProposal();
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JingleSession session = getParent().getParent();
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2017-08-01 17:12:27 +02:00
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if (getSelectedCandidate() == null || peers == null || peers.getSelectedCandidate() == null) {
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2017-07-22 00:26:50 +02:00
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// Not yet ready if we or peer did not yet decide on a candidate.
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LOGGER.log(Level.INFO, "Not ready.");
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return;
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}
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if (getSelectedCandidate() == CANDIDATE_FAILURE && peers.getSelectedCandidate() == CANDIDATE_FAILURE) {
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LOGGER.log(Level.INFO, "Failure.");
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2017-07-27 18:09:49 +02:00
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callback.onTransportFailed(new FailedTransportException(null));
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2017-07-22 00:26:50 +02:00
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return;
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}
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2017-08-02 20:52:52 +02:00
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LOGGER.log(Level.INFO, (session.isInitiator() ? "Initiator" : "Responder") + " is ready.");
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2017-07-22 00:26:50 +02:00
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//Determine nominated candidate.
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JingleS5BTransportCandidate nominated;
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if (getSelectedCandidate() != CANDIDATE_FAILURE && peers.getSelectedCandidate() != CANDIDATE_FAILURE) {
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2017-07-25 20:25:36 +02:00
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2017-07-22 00:26:50 +02:00
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if (getSelectedCandidate().getPriority() > peers.getSelectedCandidate().getPriority()) {
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nominated = getSelectedCandidate();
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} else if (getSelectedCandidate().getPriority() < peers.getSelectedCandidate().getPriority()) {
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nominated = peers.getSelectedCandidate();
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} else {
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nominated = getParent().getParent().isInitiator() ? getSelectedCandidate() : peers.getSelectedCandidate();
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}
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2017-07-25 20:25:36 +02:00
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2017-07-22 00:26:50 +02:00
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} else if (getSelectedCandidate() != CANDIDATE_FAILURE) {
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nominated = getSelectedCandidate();
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} else {
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nominated = peers.getSelectedCandidate();
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}
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if (nominated == peers.getSelectedCandidate()) {
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2017-07-25 20:25:36 +02:00
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2017-07-22 00:26:50 +02:00
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LOGGER.log(Level.INFO, "Their choice, so our proposed candidate is used.");
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2017-07-25 20:25:36 +02:00
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2017-07-22 00:26:50 +02:00
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try {
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2017-08-01 17:12:27 +02:00
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nominated = nominated.connect(MAX_TIMEOUT, false);
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2017-07-22 00:26:50 +02:00
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} catch (InterruptedException | IOException | XMPPException | SmackException | TimeoutException e) {
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LOGGER.log(Level.INFO, "Could not connect to our candidate.", e);
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2017-07-27 18:09:49 +02:00
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callback.onTransportFailed(new S5BTransportException.CandidateError(e));
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2017-07-22 00:26:50 +02:00
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return;
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}
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2017-08-02 20:52:52 +02:00
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boolean isProxy = nominated.getType() == JingleS5BTransportCandidateElement.Type.proxy;
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2017-07-22 00:26:50 +02:00
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2017-08-02 20:52:52 +02:00
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if (isProxy) {
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2017-07-22 00:26:50 +02:00
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LOGGER.log(Level.INFO, "Send candidate-activate.");
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JingleElement candidateActivate = jingleS5BTransportManager.createCandidateActivated((JingleS5BTransport) nominated.getParent(), nominated);
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try {
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session.getJingleManager().getConnection().createStanzaCollectorAndSend(candidateActivate)
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.nextResultOrThrow();
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} catch (InterruptedException | XMPPException.XMPPErrorException | SmackException.NotConnectedException | SmackException.NoResponseException e) {
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LOGGER.log(Level.WARNING, "Could not send candidate-activated", e);
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2017-07-27 18:09:49 +02:00
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callback.onTransportFailed(new S5BTransportException.ProxyError(e));
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2017-07-22 00:26:50 +02:00
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return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-08-01 17:12:27 +02:00
|
|
|
LOGGER.log(Level.INFO, "Start transmission on " + nominated.getCandidateId());
|
2017-07-25 20:25:36 +02:00
|
|
|
this.bytestreamSession = new Socks5BytestreamSession(nominated.getSocket(), !isProxy);
|
2017-07-27 18:09:49 +02:00
|
|
|
callback.onTransportReady(this.bytestreamSession);
|
2017-07-22 00:26:50 +02:00
|
|
|
|
|
|
|
}
|
|
|
|
//Our choice
|
|
|
|
else {
|
|
|
|
LOGGER.log(Level.INFO, "Our choice, so their candidate was used.");
|
|
|
|
boolean isProxy = nominated.getType() == JingleS5BTransportCandidateElement.Type.proxy;
|
|
|
|
if (!isProxy) {
|
2017-08-01 17:12:27 +02:00
|
|
|
LOGGER.log(Level.INFO, "Start transmission on " + nominated.getCandidateId());
|
2017-07-25 20:25:36 +02:00
|
|
|
this.bytestreamSession = new Socks5BytestreamSession(nominated.getSocket(), true);
|
2017-07-27 18:09:49 +02:00
|
|
|
callback.onTransportReady(this.bytestreamSession);
|
2017-07-22 00:26:50 +02:00
|
|
|
} else {
|
|
|
|
LOGGER.log(Level.INFO, "Our choice was their external proxy. wait for candidate-activate.");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-08-02 20:52:52 +02:00
|
|
|
private void activateProxy(JingleS5BTransportCandidate candidate) throws SmackException.NotConnectedException, InterruptedException, XMPPException.XMPPErrorException, SmackException.NoResponseException {
|
|
|
|
LOGGER.log(Level.INFO, "Activate proxy: " + candidate.getCandidateId() + " " + candidate.getStreamHost().getAddress() + ":" + candidate.getStreamHost().getPort() + " " + candidate.getStreamHost().getJID());
|
|
|
|
Bytestream activate = new Bytestream(getSid());
|
|
|
|
activate.setMode(null);
|
|
|
|
activate.setType(IQ.Type.set);
|
|
|
|
activate.setTo(candidate.getStreamHost().getJID());
|
|
|
|
activate.setToActivate(getParent().getParent().getPeer());
|
|
|
|
activate.setFrom(getParent().getParent().getOurJid());
|
|
|
|
getParent().getParent().getJingleManager().getConnection().createStanzaCollectorAndSend(activate).nextResultOrThrow();
|
|
|
|
}
|
|
|
|
|
2017-07-19 23:15:17 +02:00
|
|
|
@Override
|
2017-07-29 22:21:36 +02:00
|
|
|
public IQ handleTransportInfo(JingleContentTransportInfoElement info, JingleElement wrapping) {
|
2017-07-19 23:15:17 +02:00
|
|
|
switch (info.getElementName()) {
|
|
|
|
|
|
|
|
case JingleS5BTransportInfoElement.CandidateUsed.ELEMENT:
|
2017-07-22 00:26:50 +02:00
|
|
|
handleCandidateUsed((JingleS5BTransportInfoElement) info, wrapping);
|
2017-07-29 22:21:36 +02:00
|
|
|
break;
|
2017-07-19 23:15:17 +02:00
|
|
|
|
|
|
|
case JingleS5BTransportInfoElement.CandidateActivated.ELEMENT:
|
|
|
|
handleCandidateActivate((JingleS5BTransportInfoElement) info);
|
2017-07-29 22:21:36 +02:00
|
|
|
break;
|
2017-07-19 23:15:17 +02:00
|
|
|
|
|
|
|
case JingleS5BTransportInfoElement.CandidateError.ELEMENT:
|
|
|
|
handleCandidateError((JingleS5BTransportInfoElement) info);
|
2017-07-29 22:21:36 +02:00
|
|
|
break;
|
2017-07-19 23:15:17 +02:00
|
|
|
|
|
|
|
case JingleS5BTransportInfoElement.ProxyError.ELEMENT:
|
|
|
|
handleProxyError((JingleS5BTransportInfoElement) info);
|
2017-07-29 22:21:36 +02:00
|
|
|
break;
|
2017-07-19 23:15:17 +02:00
|
|
|
|
|
|
|
default:
|
|
|
|
throw new AssertionError("Unknown transport-info element: " + info.getElementName());
|
|
|
|
}
|
2017-07-29 22:21:36 +02:00
|
|
|
|
|
|
|
return IQ.createResultIQ(wrapping);
|
2017-07-19 23:15:17 +02:00
|
|
|
}
|
|
|
|
|
2017-07-22 00:26:50 +02:00
|
|
|
private void handleCandidateUsed(JingleS5BTransportInfoElement info, JingleElement wrapping) {
|
|
|
|
JingleManager jingleManager = getParent().getParent().getJingleManager();
|
2017-07-19 23:15:17 +02:00
|
|
|
String candidateId = ((JingleS5BTransportInfoElement.CandidateUsed) info).getCandidateId();
|
|
|
|
|
2017-07-21 18:29:27 +02:00
|
|
|
JingleS5BTransport peers = (JingleS5BTransport) getPeersProposal();
|
|
|
|
|
2017-07-22 00:26:50 +02:00
|
|
|
// Received second candidate-used -> out-of-order!
|
2017-07-21 18:29:27 +02:00
|
|
|
if (peers.getSelectedCandidate() != null) {
|
2017-07-22 00:26:50 +02:00
|
|
|
try {
|
2017-08-01 17:12:27 +02:00
|
|
|
jingleManager.getConnection().sendStanza(JingleElement.createJingleErrorOutOfOrder(wrapping));
|
|
|
|
//jingleManager.getConnection().createStanzaCollectorAndSend(JingleElement.createJingleErrorOutOfOrder(wrapping));
|
2017-07-22 00:26:50 +02:00
|
|
|
} catch (SmackException.NotConnectedException | InterruptedException e) {
|
|
|
|
LOGGER.log(Level.SEVERE, "Could not respond to candidate-used transport-info: " + e, e);
|
|
|
|
}
|
2017-07-21 18:29:27 +02:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2017-07-21 23:51:06 +02:00
|
|
|
Iterator<JingleTransportCandidate<?>> ourCandidates = getCandidates().iterator();
|
2017-07-21 18:29:27 +02:00
|
|
|
while (ourCandidates.hasNext()) {
|
|
|
|
JingleS5BTransportCandidate candidate = (JingleS5BTransportCandidate) ourCandidates.next();
|
|
|
|
if (candidate.getCandidateId().equals(candidateId)) {
|
|
|
|
peers.setSelectedCandidate(candidate);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (peers.getSelectedCandidate() == null) {
|
2017-08-01 17:12:27 +02:00
|
|
|
LOGGER.log(Level.SEVERE, "ILLEGAL CANDIDATE ID!!!");
|
2017-07-21 18:29:27 +02:00
|
|
|
//TODO: Alert! Illegal candidateId!
|
2017-07-19 23:15:17 +02:00
|
|
|
}
|
|
|
|
|
2017-07-22 01:01:50 +02:00
|
|
|
connectIfReady();
|
2017-07-19 23:15:17 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
private void handleCandidateActivate(JingleS5BTransportInfoElement info) {
|
2017-07-27 11:37:32 +02:00
|
|
|
this.bytestreamSession = new Socks5BytestreamSession(getSelectedCandidate().getSocket(),
|
|
|
|
getSelectedCandidate().getStreamHost().getJID().asBareJid().equals(getParent().getParent().getPeer().asBareJid()));
|
2017-07-27 18:09:49 +02:00
|
|
|
callback.onTransportReady(this.bytestreamSession);
|
2017-07-19 23:15:17 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
private void handleCandidateError(JingleS5BTransportInfoElement info) {
|
2017-07-21 18:29:27 +02:00
|
|
|
((JingleS5BTransport) getPeersProposal()).setSelectedCandidate(CANDIDATE_FAILURE);
|
2017-07-22 01:01:50 +02:00
|
|
|
connectIfReady();
|
2017-07-19 23:15:17 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
private void handleProxyError(JingleS5BTransportInfoElement info) {
|
2017-07-27 18:09:49 +02:00
|
|
|
callback.onTransportFailed(new S5BTransportException.ProxyError(null));
|
2017-07-19 23:15:17 +02:00
|
|
|
}
|
|
|
|
|
2017-07-21 18:29:27 +02:00
|
|
|
public void setSelectedCandidate(JingleS5BTransportCandidate candidate) {
|
|
|
|
selectedCandidate = candidate;
|
|
|
|
}
|
|
|
|
|
|
|
|
public JingleS5BTransportCandidate getSelectedCandidate() {
|
|
|
|
return selectedCandidate;
|
|
|
|
}
|
|
|
|
|
2017-07-19 23:15:17 +02:00
|
|
|
/**
|
|
|
|
* Internal dummy candidate used to represent failure.
|
|
|
|
* Kinda depressing, isn't it?
|
|
|
|
*/
|
|
|
|
private final static JingleS5BTransportCandidate CANDIDATE_FAILURE = new JingleS5BTransportCandidate(null, null, -1, null);
|
2017-07-27 11:37:32 +02:00
|
|
|
|
|
|
|
@Override
|
|
|
|
protected boolean isNonFatalException(Exception exception) {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
protected void handleStanza(Stanza stanza) throws SmackException.NotConnectedException, InterruptedException {
|
|
|
|
|
|
|
|
}
|
2017-07-19 23:15:17 +02:00
|
|
|
}
|