Examples with Bytestream org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream used on opensource projects

Example 16 with Bytestream

use of org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream in project Smack by igniterealtime.

the class Socks5BytestreamRequest method accept.

/**
     * Accepts the SOCKS5 Bytestream initialization request and returns the socket to send/receive
     * data.
     * <p>
     * Before accepting the SOCKS5 Bytestream request you can set timeouts by invoking
     * {@link #setTotalConnectTimeout(int)} and {@link #setMinimumConnectTimeout(int)}.
     * 
     * @return the socket to send/receive data
     * @throws InterruptedException if the current thread was interrupted while waiting
     * @throws XMPPErrorException 
     * @throws SmackException 
     */
@Override
public Socks5BytestreamSession accept() throws InterruptedException, XMPPErrorException, SmackException {
    Collection<StreamHost> streamHosts = this.bytestreamRequest.getStreamHosts();
    // throw exceptions if request contains no stream hosts
    if (streamHosts.size() == 0) {
        cancelRequest();
    }
    StreamHost selectedHost = null;
    Socket socket = null;
    String digest = Socks5Utils.createDigest(this.bytestreamRequest.getSessionID(), this.bytestreamRequest.getFrom(), this.manager.getConnection().getUser());
    /*
         * determine timeout for each connection attempt; each SOCKS5 proxy has the same amount of
         * time so that the first does not consume the whole timeout
         */
    int timeout = Math.max(getTotalConnectTimeout() / streamHosts.size(), getMinimumConnectTimeout());
    for (StreamHost streamHost : streamHosts) {
        String address = streamHost.getAddress() + ":" + streamHost.getPort();
        // check to see if this address has been blacklisted
        int failures = getConnectionFailures(address);
        if (CONNECTION_FAILURE_THRESHOLD > 0 && failures >= CONNECTION_FAILURE_THRESHOLD) {
            continue;
        }
        // establish socket
        try {
            // build SOCKS5 client
            final Socks5Client socks5Client = new Socks5Client(streamHost, digest);
            // connect to SOCKS5 proxy with a timeout
            socket = socks5Client.getSocket(timeout);
            // set selected host
            selectedHost = streamHost;
            break;
        } catch (TimeoutException | IOException | SmackException | XMPPException e) {
            incrementConnectionFailures(address);
        }
    }
    // throw exception if connecting to all SOCKS5 proxies failed
    if (selectedHost == null || socket == null) {
        cancelRequest();
    }
    // send used-host confirmation
    Bytestream response = createUsedHostResponse(selectedHost);
    this.manager.getConnection().sendStanza(response);
    return new Socks5BytestreamSession(socket, selectedHost.getJID().equals(this.bytestreamRequest.getFrom()));
}

Example 17 with Bytestream

use of org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream in project Smack by igniterealtime.

the class Socks5ClientForInitiator method createStreamHostActivation.

/**
     * Returns a SOCKS5 Bytestream activation packet.
     * 
     * @return SOCKS5 Bytestream activation packet
     */
private Bytestream createStreamHostActivation() {
    Bytestream activate = new Bytestream(this.sessionID);
    activate.setMode(null);
    activate.setType(IQ.Type.set);
    activate.setTo(this.streamHost.getJID());
    activate.setToActivate(this.target);
    return activate;
}

Example 18 with Bytestream

use of org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream in project Smack by igniterealtime.

the class BytestreamsProvider method parse.

@Override
public Bytestream parse(XmlPullParser parser, int initialDepth) throws XmlPullParserException, IOException {
    boolean done = false;
    Bytestream toReturn = new Bytestream();
    String id = parser.getAttributeValue("", "sid");
    String mode = parser.getAttributeValue("", "mode");
    // streamhost
    Jid JID = null;
    String host = null;
    String port = null;
    int eventType;
    String elementName;
    while (!done) {
        eventType = parser.next();
        elementName = parser.getName();
        if (eventType == XmlPullParser.START_TAG) {
            if (elementName.equals(Bytestream.StreamHost.ELEMENTNAME)) {
                JID = ParserUtils.getJidAttribute(parser);
                host = parser.getAttributeValue("", "host");
                port = parser.getAttributeValue("", "port");
            } else if (elementName.equals(Bytestream.StreamHostUsed.ELEMENTNAME)) {
                toReturn.setUsedHost(ParserUtils.getJidAttribute(parser));
            } else if (elementName.equals(Bytestream.Activate.ELEMENTNAME)) {
                toReturn.setToActivate(ParserUtils.getJidAttribute(parser));
            }
        } else if (eventType == XmlPullParser.END_TAG) {
            if (elementName.equals("streamhost")) {
                if (port == null) {
                    toReturn.addStreamHost(JID, host);
                } else {
                    toReturn.addStreamHost(JID, host, Integer.parseInt(port));
                }
                JID = null;
                host = null;
                port = null;
            } else if (elementName.equals("query")) {
                done = true;
            }
        }
    }
    if (mode == null) {
        toReturn.setMode(Mode.tcp);
    } else {
        toReturn.setMode((Bytestream.Mode.fromName(mode)));
    }
    toReturn.setSessionID(id);
    return toReturn;
}

Example 19 with Bytestream

use of org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream in project Smack by igniterealtime.

the class InitiationListener method processRequest.

private void processRequest(Stanza packet) throws NotConnectedException, InterruptedException {
    Bytestream byteStreamRequest = (Bytestream) packet;
    StreamNegotiator.signal(byteStreamRequest.getFrom().toString() + '\t' + byteStreamRequest.getSessionID(), byteStreamRequest);
    // ignore request if in ignore list
    if (this.manager.getIgnoredBytestreamRequests().remove(byteStreamRequest.getSessionID())) {
        return;
    }
    // build bytestream request from packet
    Socks5BytestreamRequest request = new Socks5BytestreamRequest(this.manager, byteStreamRequest);
    // notify listeners for bytestream initiation from a specific user
    BytestreamListener userListener = this.manager.getUserListener(byteStreamRequest.getFrom());
    if (userListener != null) {
        userListener.incomingBytestreamRequest(request);
    } else if (!this.manager.getAllRequestListeners().isEmpty()) {
        /*
             * if there is no user specific listener inform listeners for all initiation requests
             */
        for (BytestreamListener listener : this.manager.getAllRequestListeners()) {
            listener.incomingBytestreamRequest(request);
        }
    } else {
        /*
             * if there is no listener for this initiation request, reply with reject message
             */
        this.manager.replyRejectPacket(byteStreamRequest);
    }
}

Example 20 with Bytestream

use of org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream in project Smack by igniterealtime.

the class Socks5BytestreamRequest method createUsedHostResponse.

/**
     * Returns the response to the SOCKS5 Bytestream request containing the SOCKS5 proxy used.
     * 
     * @param selectedHost the used SOCKS5 proxy
     * @return the response to the SOCKS5 Bytestream request
     */
private Bytestream createUsedHostResponse(StreamHost selectedHost) {
    Bytestream response = new Bytestream(this.bytestreamRequest.getSessionID());
    response.setTo(this.bytestreamRequest.getFrom());
    response.setType(IQ.Type.result);
    response.setStanzaId(this.bytestreamRequest.getStanzaId());
    response.setUsedHost(selectedHost.getJID());
    return response;
}