mirror of
https://codeberg.org/Mercury-IM/Smack
synced 2024-06-14 15:44:52 +02:00
488055948d
Fixes SMACK-865.
235 lines
9.9 KiB
Java
235 lines
9.9 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.transports.jingle_s5b;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import java.util.WeakHashMap;
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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.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.bytestreams.socks5.Socks5BytestreamManager;
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import org.jivesoftware.smackx.bytestreams.socks5.Socks5Proxy;
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import org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream;
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import org.jivesoftware.smackx.jingle.JingleSession;
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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.JingleContent;
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import org.jivesoftware.smackx.jingle.provider.JingleContentProviderManager;
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import org.jivesoftware.smackx.jingle.transports.JingleTransportManager;
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import org.jivesoftware.smackx.jingle.transports.JingleTransportSession;
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import org.jivesoftware.smackx.jingle.transports.jingle_s5b.elements.JingleS5BTransport;
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import org.jivesoftware.smackx.jingle.transports.jingle_s5b.provider.JingleS5BTransportProvider;
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import org.jxmpp.jid.FullJid;
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import org.jxmpp.jid.Jid;
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/**
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* Manager for Jingle SOCKS5 Bytestream transports (XEP-0261).
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*/
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public final class JingleS5BTransportManager extends JingleTransportManager<JingleS5BTransport> {
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private static final Logger LOGGER = Logger.getLogger(JingleS5BTransportManager.class.getName());
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private static final WeakHashMap<XMPPConnection, JingleS5BTransportManager> INSTANCES = new WeakHashMap<>();
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private List<Bytestream.StreamHost> localStreamHosts = null;
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private List<Bytestream.StreamHost> availableStreamHosts = null;
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private static boolean useLocalCandidates = true;
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private static boolean useExternalCandidates = true;
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private JingleS5BTransportManager(XMPPConnection connection) {
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super(connection);
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JingleContentProviderManager.addJingleContentTransportProvider(getNamespace(), new JingleS5BTransportProvider());
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}
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public static synchronized JingleS5BTransportManager getInstanceFor(XMPPConnection connection) {
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JingleS5BTransportManager manager = INSTANCES.get(connection);
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if (manager == null) {
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manager = new JingleS5BTransportManager(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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@Override
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public String getNamespace() {
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return JingleS5BTransport.NAMESPACE_V1;
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}
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@Override
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public JingleTransportSession<JingleS5BTransport> transportSession(JingleSession jingleSession) {
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return new JingleS5BTransportSession(jingleSession);
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}
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private List<Bytestream.StreamHost> queryAvailableStreamHosts() throws XMPPException.XMPPErrorException, SmackException.NotConnectedException, InterruptedException, SmackException.NoResponseException {
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Socks5BytestreamManager s5m = Socks5BytestreamManager.getBytestreamManager(getConnection());
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List<Jid> proxies = s5m.determineProxies();
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return determineStreamHostInfo(proxies);
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}
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private List<Bytestream.StreamHost> queryLocalStreamHosts() {
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return Socks5BytestreamManager.getBytestreamManager(getConnection())
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.getLocalStreamHost();
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}
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public List<Bytestream.StreamHost> getAvailableStreamHosts() throws XMPPException.XMPPErrorException, SmackException.NotConnectedException, InterruptedException, SmackException.NoResponseException {
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if (availableStreamHosts == null) {
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availableStreamHosts = queryAvailableStreamHosts();
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}
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return availableStreamHosts;
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}
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public List<Bytestream.StreamHost> getLocalStreamHosts() {
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if (localStreamHosts == null) {
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localStreamHosts = queryLocalStreamHosts();
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}
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return localStreamHosts;
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}
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public List<Bytestream.StreamHost> determineStreamHostInfo(List<Jid> proxies) {
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XMPPConnection connection = getConnection();
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List<Bytestream.StreamHost> streamHosts = new ArrayList<>();
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Iterator<Jid> iterator = proxies.iterator();
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while (iterator.hasNext()) {
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Jid proxy = iterator.next();
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Bytestream request = new Bytestream();
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request.setType(IQ.Type.get);
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request.setTo(proxy);
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try {
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Bytestream response = connection.createStanzaCollectorAndSend(request).nextResultOrThrow();
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streamHosts.addAll(response.getStreamHosts());
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}
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catch (Exception e) {
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iterator.remove();
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}
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}
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return streamHosts;
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}
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@Override
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public void authenticated(XMPPConnection connection, boolean resumed) {
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if (!resumed) try {
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Socks5Proxy socks5Proxy = Socks5Proxy.getSocks5Proxy();
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if (!socks5Proxy.isRunning()) {
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socks5Proxy.start();
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}
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localStreamHosts = queryLocalStreamHosts();
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availableStreamHosts = queryAvailableStreamHosts();
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} catch (InterruptedException | SmackException.NoResponseException | SmackException.NotConnectedException | XMPPException.XMPPErrorException e) {
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LOGGER.log(Level.WARNING, "Could not query available StreamHosts: " + e, e);
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}
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}
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public Jingle createCandidateUsed(FullJid recipient, FullJid initiator, String sessionId, JingleContent.Senders contentSenders,
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JingleContent.Creator contentCreator, String contentName, String streamId,
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String candidateId) {
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Jingle.Builder jb = Jingle.getBuilder();
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jb.setSessionId(sessionId).setInitiator(initiator).setAction(JingleAction.transport_info);
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JingleContent.Builder cb = JingleContent.getBuilder();
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cb.setName(contentName).setCreator(contentCreator).setSenders(contentSenders);
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JingleS5BTransport.Builder tb = JingleS5BTransport.getBuilder();
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tb.setCandidateUsed(candidateId).setStreamId(streamId);
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Jingle jingle = jb.addJingleContent(cb.setTransport(tb.build()).build()).build();
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jingle.setFrom(getConnection().getUser().asFullJidOrThrow());
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jingle.setTo(recipient);
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return jingle;
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}
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public Jingle createCandidateError(FullJid remote, FullJid initiator, String sessionId, JingleContent.Senders senders, JingleContent.Creator creator, String name, String streamId) {
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Jingle.Builder jb = Jingle.getBuilder();
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jb.setSessionId(sessionId).setInitiator(initiator).setAction(JingleAction.transport_info);
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JingleContent.Builder cb = JingleContent.getBuilder();
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cb.setName(name).setCreator(creator).setSenders(senders);
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JingleS5BTransport.Builder tb = JingleS5BTransport.getBuilder();
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tb.setCandidateError().setStreamId(streamId);
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Jingle jingle = jb.addJingleContent(cb.setTransport(tb.build()).build()).build();
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jingle.setFrom(getConnection().getUser().asFullJidOrThrow());
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jingle.setTo(remote);
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return jingle;
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}
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public Jingle createProxyError(FullJid remote, FullJid initiator, String sessionId,
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JingleContent.Senders senders, JingleContent.Creator creator,
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String name, String streamId) {
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Jingle.Builder jb = Jingle.getBuilder();
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jb.setSessionId(sessionId).setAction(JingleAction.transport_info).setInitiator(initiator);
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JingleContent.Builder cb = JingleContent.getBuilder();
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cb.setSenders(senders).setCreator(creator).setName(name);
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JingleS5BTransport.Builder tb = JingleS5BTransport.getBuilder();
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tb.setStreamId(sessionId).setProxyError().setStreamId(streamId);
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Jingle jingle = jb.addJingleContent(cb.setTransport(tb.build()).build()).build();
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jingle.setTo(remote);
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jingle.setFrom(getConnection().getUser().asFullJidOrThrow());
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return jingle;
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}
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public Jingle createCandidateActivated(FullJid remote, FullJid initiator, String sessionId,
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JingleContent.Senders senders, JingleContent.Creator creator,
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String name, String streamId, String candidateId) {
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Jingle.Builder jb = Jingle.getBuilder();
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jb.setInitiator(initiator).setSessionId(sessionId).setAction(JingleAction.transport_info);
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JingleContent.Builder cb = JingleContent.getBuilder();
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cb.setName(name).setCreator(creator).setSenders(senders);
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JingleS5BTransport.Builder tb = JingleS5BTransport.getBuilder();
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tb.setStreamId(streamId).setCandidateActivated(candidateId);
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Jingle jingle = jb.addJingleContent(cb.setTransport(tb.build()).build()).build();
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jingle.setFrom(getConnection().getUser().asFullJidOrThrow());
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jingle.setTo(remote);
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return jingle;
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}
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public static void setUseLocalCandidates(boolean localCandidates) {
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JingleS5BTransportManager.useLocalCandidates = localCandidates;
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}
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public static void setUseExternalCandidates(boolean externalCandidates) {
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JingleS5BTransportManager.useExternalCandidates = externalCandidates;
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}
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public static boolean isUseLocalCandidates() {
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return useLocalCandidates;
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}
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public static boolean isUseExternalCandidates() {
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return useExternalCandidates;
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}
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}
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