Smack/smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_s5b/JingleSocks5BytestreamTrans...

98 lines
4.0 KiB
Java

/**
*
* Copyright 2017 Paul Schaub
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.smackx.jingle_s5b;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.StanzaListener;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.packet.Stanza;
import org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream;
import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
import org.jivesoftware.smackx.disco.packet.DiscoverInfo;
import org.jivesoftware.smackx.disco.packet.DiscoverItems;
import org.jivesoftware.smackx.jingle.AbstractJingleContentTransportManager;
import org.jivesoftware.smackx.jingle.JingleTransportInputStreamCallback;
import org.jivesoftware.smackx.jingle.element.Jingle;
import org.jivesoftware.smackx.jingle.provider.JingleContentTransportProvider;
import org.jivesoftware.smackx.jingle_s5b.elements.JingleSocks5BytestreamTransport;
import org.jivesoftware.smackx.jingle_s5b.provider.JingleSocks5BytestreamTransportProvider;
/**
* Manager for JingleSocks5BytestreamTransports.
*/
public final class JingleSocks5BytestreamTransportManager extends AbstractJingleContentTransportManager<JingleSocks5BytestreamTransport> {
private JingleSocks5BytestreamTransportManager(XMPPConnection connection) {
super(connection);
}
public ArrayList<Bytestream.StreamHost> getProxyIdentities() throws XMPPException.XMPPErrorException, SmackException.NotConnectedException, InterruptedException, SmackException.NoResponseException {
final ArrayList<Bytestream.StreamHost> streamHosts = new ArrayList<>();
DiscoverInfo.Feature bytestreams = new DiscoverInfo.Feature(Bytestream.NAMESPACE);
ServiceDiscoveryManager dm = ServiceDiscoveryManager.getInstanceFor(connection());
DiscoverItems disco = dm.discoverItems(connection().getXMPPServiceDomain());
for (DiscoverItems.Item item : disco.getItems()) {
DiscoverInfo info = dm.discoverInfo(item.getEntityID());
if (!info.getFeatures().contains(bytestreams)) {
continue;
}
List<DiscoverInfo.Identity> identities = info.getIdentities("proxy", "bytestreams");
if (identities.isEmpty()) {
continue;
}
Bytestream b = new Bytestream();
b.setTo(item.getEntityID());
connection().sendIqWithResponseCallback(b, new StanzaListener() {
@Override
public void processStanza(Stanza packet) throws SmackException.NotConnectedException, InterruptedException {
Bytestream result = (Bytestream) packet;
if (result != null) {
streamHosts.addAll(result.getStreamHosts());
}
}
});
}
return streamHosts;
}
@Override
protected JingleContentTransportProvider<JingleSocks5BytestreamTransport> createJingleContentTransportProvider() {
return new JingleSocks5BytestreamTransportProvider();
}
@Override
public String getNamespace() {
return JingleSocks5BytestreamTransport.NAMESPACE_V1;
}
@Override
public void acceptInputStream(Jingle jingle, JingleTransportInputStreamCallback callback) {
}
@Override
public OutputStream createOutputStream(Jingle jingle) {
return null;
}
}