rocks.xmpp.extensions.bytestreams.s5b.S5bEvent Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of xmpp-extensions-client Show documentation
Show all versions of xmpp-extensions-client Show documentation
Client side business logic for XMPP extensions
/*
* The MIT License (MIT)
*
* Copyright (c) 2014-2016 Christian Schudt
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package rocks.xmpp.extensions.bytestreams.s5b;
import rocks.xmpp.core.session.XmppSession;
import rocks.xmpp.core.stanza.model.IQ;
import rocks.xmpp.core.stanza.model.errors.Condition;
import rocks.xmpp.extensions.bytestreams.ByteStreamEvent;
import rocks.xmpp.extensions.bytestreams.ByteStreamSession;
import rocks.xmpp.extensions.bytestreams.s5b.model.Socks5ByteStream;
import rocks.xmpp.extensions.bytestreams.s5b.model.StreamHost;
import rocks.xmpp.util.concurrent.AsyncResult;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionException;
/**
* @author Christian Schudt
*/
final class S5bEvent extends ByteStreamEvent {
private final XmppSession xmppSession;
private final IQ iq;
private final List streamHosts;
public S5bEvent(Object source, String sessionId, XmppSession xmppSession, IQ iq, List streamHosts) {
super(source, sessionId);
this.xmppSession = xmppSession;
this.iq = iq;
this.streamHosts = streamHosts;
}
@Override
public final AsyncResult accept() {
CompletableFuture completableFuture = CompletableFuture.supplyAsync(() -> {
try {
// 5.3.2 Target Establishes SOCKS5 Connection with StreamHost/Requester
// 6.3.2 Target Establishes SOCKS5 Connection with Proxy
S5bSession s5bSession = Socks5ByteStreamManager.createS5bSession(iq.getFrom(), iq.getTo(), getSessionId(), streamHosts, xmppSession.getConfiguration().getDefaultResponseTimeout());
// 5.3.3 Target Acknowledges Bytestream
// 6.3.3 Target Acknowledges Bytestream
xmppSession.send(iq.createResult(Socks5ByteStream.streamHostUsed(s5bSession.getSessionId(), s5bSession.getStreamHost())));
return s5bSession;
} catch (IOException e) {
// If the Target tries but is unable to connect to any of the StreamHosts and it does not wish to attempt a connection from its side, it MUST return an error to the Requester.
xmppSession.send(iq.createError(Condition.ITEM_NOT_FOUND));
throw new CompletionException(e);
}
});
return new AsyncResult<>(completableFuture);
}
@Override
public final void reject() {
// Else if the Target is unwilling to accept the bytestream, it MUST return an error of to the Requester.
xmppSession.send(iq.createError(Condition.NOT_ACCEPTABLE));
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy