Examples of org.jivesoftware.smackx.bytestreams.socks5.Socks5BytestreamManager

Package org.jivesoftware.smackx.bytestreams.socks5

Examples of org.jivesoftware.smackx.bytestreams.socks5.Socks5BytestreamManager

org.jivesoftware.smackx.bytestreams.socks5.Socks5BytestreamRequest
org/extensions/xep-0065.html">XEP-0065.
A SOCKS5 Bytestream is negotiated partly over the XMPP XML stream and partly over a separate socket. The actual transfer though takes place over a separately created socket.
A SOCKS5 Bytestream generally has three parties, the initiator, the target, and the stream host. The stream host is a specialized SOCKS5 proxy setup on a server, or, the initiator can act as the stream host.
To establish a SOCKS5 Bytestream invoke the {@link #establishSession(String)} method. This willnegotiate a SOCKS5 Bytestream with the given target JID and return a socket.
If a session ID for the SOCKS5 Bytestream was already negotiated (e.g. while negotiating a file transfer) invoke {@link #establishSession(String,String)}.
To handle incoming SOCKS5 Bytestream requests add an {@link Socks5BytestreamListener} to themanager. There are two ways to add this listener. If you want to be informed about incoming SOCKS5 Bytestreams from a specific user add the listener by invoking {@link #addIncomingBytestreamListener(BytestreamListener,String)}. If the listener should respond to all SOCKS5 Bytestream requests invoke {@link #addIncomingBytestreamListener(BytestreamListener)}.
Note that the registered {@link Socks5BytestreamListener} will NOT be notified on incoming Socks5bytestream requests sent in the context of XEP-0096 file transfer. (See {@link FileTransferManager})
If no {@link Socks5BytestreamListener}s are registered, all incoming SOCKS5 Bytestream requests will be rejected by returning a <not-acceptable/> error to the initiator. @author Henning Staib


        // disable clients local SOCKS5 proxy
        SmackConfiguration.setLocalSocks5ProxyEnabled(false);


        // get Socks5ByteStreamManager for connection
        Socks5BytestreamManager byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);


        /**
         * create responses in the order they should be queried specified by the XEP-0065
         * specification
         */


        // build discover info that supports the SOCKS5 feature
        DiscoverInfo discoverInfo = Socks5PacketUtils.createDiscoverInfo(targetJID, initiatorJID);
        discoverInfo.addFeature(Socks5BytestreamManager.NAMESPACE);


        // return that SOCKS5 is supported if target is queried
        protocol.addResponse(discoverInfo, Verification.correspondingSenderReceiver,
                        Verification.requestTypeGET);


        // build discover items containing a proxy item
        DiscoverItems discoverItems = Socks5PacketUtils.createDiscoverItems(xmppServer,
                        initiatorJID);
        Item item = new Item(proxyJID);
        discoverItems.addItem(item);


        // return the proxy item if XMPP server is queried
        protocol.addResponse(discoverItems, Verification.correspondingSenderReceiver,
                        Verification.requestTypeGET);


        // build discover info for proxy containing information about being a SOCKS5 proxy
        DiscoverInfo proxyInfo = Socks5PacketUtils.createDiscoverInfo(proxyJID, initiatorJID);
        Identity identity = new Identity("proxy", proxyJID);
        identity.setType("bytestreams");
        proxyInfo.addIdentity(identity);


        // return the socks5 bytestream proxy identity if proxy is queried
        protocol.addResponse(proxyInfo, Verification.correspondingSenderReceiver,
                        Verification.requestTypeGET);


        // build a socks5 stream host info containing the address and the port of the
        // proxy
        Bytestream streamHostInfo = Socks5PacketUtils.createBytestreamResponse(proxyJID,
                        initiatorJID);
        streamHostInfo.addStreamHost(proxyJID, proxyAddress, 7778);


        // return stream host info if it is queried
        protocol.addResponse(streamHostInfo, Verification.correspondingSenderReceiver,
                        Verification.requestTypeGET);


        // build used stream host response
        Bytestream streamHostUsedPacket = Socks5PacketUtils.createBytestreamResponse(targetJID,
                        initiatorJID);
        streamHostUsedPacket.setSessionID(sessionID);
        streamHostUsedPacket.setUsedHost(proxyJID);


        // return used stream host info as response to the bytestream initiation
        protocol.addResponse(streamHostUsedPacket, new Verification<Bytestream, Bytestream>() {


            public void verify(Bytestream request, Bytestream response) {
                // verify SOCKS5 Bytestream request
                assertEquals(response.getSessionID(), request.getSessionID());
                assertEquals(1, request.getStreamHosts().size());
                StreamHost streamHost = (StreamHost) request.getStreamHosts().toArray()[0];
                assertEquals(response.getUsedHost().getJID(), streamHost.getJID());
            }


        }, Verification.correspondingSenderReceiver, Verification.requestTypeSET);


        try {


            // start SOCKS5 Bytestream
            byteStreamManager.establishSession(targetJID, sessionID);


            fail("exception should be thrown");
        }
        catch (IOException e) {
            // initiator can't connect to proxy because it is not running

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        // disable clients local SOCKS5 proxy
        SmackConfiguration.setLocalSocks5ProxyEnabled(false);


        // get Socks5ByteStreamManager for connection
        Socks5BytestreamManager byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);


        /**
         * create responses in the order they should be queried specified by the XEP-0065
         * specification
         */


        // build discover info that supports the SOCKS5 feature
        DiscoverInfo discoverInfo = Socks5PacketUtils.createDiscoverInfo(targetJID, initiatorJID);
        discoverInfo.addFeature(Socks5BytestreamManager.NAMESPACE);


        // return that SOCKS5 is supported if target is queried
        protocol.addResponse(discoverInfo, Verification.correspondingSenderReceiver,
                        Verification.requestTypeGET);


        // build discover items containing a proxy item
        DiscoverItems discoverItems = Socks5PacketUtils.createDiscoverItems(xmppServer,
                        initiatorJID);
        Item item = new Item(proxyJID);
        discoverItems.addItem(item);


        // return the proxy item if XMPP server is queried
        protocol.addResponse(discoverItems, Verification.correspondingSenderReceiver,
                        Verification.requestTypeGET);


        // build discover info for proxy containing information about being a SOCKS5 proxy
        DiscoverInfo proxyInfo = Socks5PacketUtils.createDiscoverInfo(proxyJID, initiatorJID);
        Identity identity = new Identity("proxy", proxyJID);
        identity.setType("bytestreams");
        proxyInfo.addIdentity(identity);


        // return the socks5 bytestream proxy identity if proxy is queried
        protocol.addResponse(proxyInfo, Verification.correspondingSenderReceiver,
                        Verification.requestTypeGET);


        // build a socks5 stream host info containing the address and the port of the
        // proxy
        Bytestream streamHostInfo = Socks5PacketUtils.createBytestreamResponse(proxyJID,
                        initiatorJID);
        streamHostInfo.addStreamHost(proxyJID, proxyAddress, 7778);


        // return stream host info if it is queried
        protocol.addResponse(streamHostInfo, Verification.correspondingSenderReceiver,
                        Verification.requestTypeGET);


        // build used stream host response
        Bytestream streamHostUsedPacket = Socks5PacketUtils.createBytestreamResponse(targetJID,
                        initiatorJID);
        streamHostUsedPacket.setSessionID(sessionID);
        streamHostUsedPacket.setUsedHost(proxyJID);


        // return used stream host info as response to the bytestream initiation
        protocol.addResponse(streamHostUsedPacket, new Verification<Bytestream, Bytestream>() {


            public void verify(Bytestream request, Bytestream response) {
                assertEquals(response.getSessionID(), request.getSessionID());
                assertEquals(1, request.getStreamHosts().size());
                StreamHost streamHost = (StreamHost) request.getStreamHosts().toArray()[0];
                assertEquals(response.getUsedHost().getJID(), streamHost.getJID());
            }


        }, Verification.correspondingSenderReceiver, Verification.requestTypeSET);


        // build response to proxy activation
        IQ activationResponse = Socks5PacketUtils.createActivationConfirmation(proxyJID,
                        initiatorJID);


        // return proxy activation response if proxy should be activated
        protocol.addResponse(activationResponse, new Verification<Bytestream, IQ>() {


            public void verify(Bytestream request, IQ response) {
                assertEquals(targetJID, request.getToActivate().getTarget());
            }


        }, Verification.correspondingSenderReceiver, Verification.requestTypeSET);


        // start a local SOCKS5 proxy
        Socks5TestProxy socks5Proxy = Socks5TestProxy.getProxy(7778);
        socks5Proxy.start();


        // create digest to get the socket opened by target
        String digest = Socks5Utils.createDigest(sessionID, initiatorJID, targetJID);


        // finally call the method that should be tested
        OutputStream outputStream = byteStreamManager.establishSession(targetJID, sessionID).getOutputStream();


        // test the established bytestream
        InputStream inputStream = socks5Proxy.getSocket(digest).getInputStream();


        byte[] data = new byte[] { 1, 2, 3 };

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        Socks5Proxy socks5Proxy = Socks5Proxy.getSocks5Proxy();
        socks5Proxy.start();
        assertTrue(socks5Proxy.isRunning());


        // get Socks5ByteStreamManager for connection
        Socks5BytestreamManager byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);


        /**
         * create responses in the order they should be queried specified by the XEP-0065
         * specification
         */


        // build discover info that supports the SOCKS5 feature
        DiscoverInfo discoverInfo = Socks5PacketUtils.createDiscoverInfo(targetJID, initiatorJID);
        discoverInfo.addFeature(Socks5BytestreamManager.NAMESPACE);


        // return that SOCKS5 is supported if target is queried
        protocol.addResponse(discoverInfo, Verification.correspondingSenderReceiver,
                        Verification.requestTypeGET);


        // build discover items containing no proxy item
        DiscoverItems discoverItems = Socks5PacketUtils.createDiscoverItems(xmppServer,
                        initiatorJID);


        // return the discover item if XMPP server is queried
        protocol.addResponse(discoverItems, Verification.correspondingSenderReceiver,
                        Verification.requestTypeGET);


        // build used stream host response
        Bytestream streamHostUsedPacket = Socks5PacketUtils.createBytestreamResponse(targetJID,
                        initiatorJID);
        streamHostUsedPacket.setSessionID(sessionID);
        streamHostUsedPacket.setUsedHost(initiatorJID); // local proxy used


        // return used stream host info as response to the bytestream initiation
        protocol.addResponse(streamHostUsedPacket, new Verification<Bytestream, Bytestream>() {


            public void verify(Bytestream request, Bytestream response) {
                assertEquals(response.getSessionID(), request.getSessionID());
                assertEquals(2, request.getStreamHosts().size());
                StreamHost streamHost1 = (StreamHost) request.getStreamHosts().toArray()[0];
                assertEquals(response.getUsedHost().getJID(), streamHost1.getJID());
                StreamHost streamHost2 = (StreamHost) request.getStreamHosts().toArray()[1];
                assertEquals(response.getUsedHost().getJID(), streamHost2.getJID());
                assertEquals("localAddress", streamHost2.getAddress());
            }


        }, Verification.correspondingSenderReceiver, Verification.requestTypeSET);


        // create digest to get the socket opened by target
        String digest = Socks5Utils.createDigest(sessionID, initiatorJID, targetJID);


        // connect to proxy as target
        socks5Proxy.addTransfer(digest);
        StreamHost streamHost = new StreamHost(targetJID, socks5Proxy.getLocalAddresses().get(0));
        streamHost.setPort(socks5Proxy.getPort());
        Socks5Client socks5Client = new Socks5Client(streamHost, digest);
        InputStream inputStream = socks5Client.getSocket(2000).getInputStream();


        // add another network address before establishing SOCKS5 Bytestream
        socks5Proxy.addLocalAddress("localAddress");


        // finally call the method that should be tested
        OutputStream outputStream = byteStreamManager.establishSession(targetJID, sessionID).getOutputStream();


        // test the established bytestream
        byte[] data = new byte[] { 1, 2, 3 };
        outputStream.write(data);

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        // disable clients local SOCKS5 proxy
        SmackConfiguration.setLocalSocks5ProxyEnabled(false);


        // get Socks5ByteStreamManager for connection
        Socks5BytestreamManager byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);


        assertTrue(byteStreamManager.isProxyPrioritizationEnabled());


        Verification<Bytestream, Bytestream> streamHostUsedVerification1 = new Verification<Bytestream, Bytestream>() {


            public void verify(Bytestream request, Bytestream response) {
                assertEquals(response.getSessionID(), request.getSessionID());
                assertEquals(2, request.getStreamHosts().size());
                // verify that the used stream host is the second in list
                StreamHost streamHost = (StreamHost) request.getStreamHosts().toArray()[1];
                assertEquals(response.getUsedHost().getJID(), streamHost.getJID());
            }


        };
        createResponses(streamHostUsedVerification1);


        // start a local SOCKS5 proxy
        Socks5TestProxy socks5Proxy = Socks5TestProxy.getProxy(7778);
        socks5Proxy.start();


        // create digest to get the socket opened by target
        String digest = Socks5Utils.createDigest(sessionID, initiatorJID, targetJID);


        // call the method that should be tested
        OutputStream outputStream = byteStreamManager.establishSession(targetJID, sessionID).getOutputStream();


        // test the established bytestream
        InputStream inputStream = socks5Proxy.getSocket(digest).getInputStream();


        byte[] data = new byte[] { 1, 2, 3 };
        outputStream.write(data);


        byte[] result = new byte[3];
        inputStream.read(result);


        assertArrayEquals(data, result);


        protocol.verifyAll();


        Verification<Bytestream, Bytestream> streamHostUsedVerification2 = new Verification<Bytestream, Bytestream>() {


            public void verify(Bytestream request, Bytestream response) {
                assertEquals(response.getSessionID(), request.getSessionID());
                assertEquals(2, request.getStreamHosts().size());
                // verify that the used stream host is the first in list
                StreamHost streamHost = (StreamHost) request.getStreamHosts().toArray()[0];
                assertEquals(response.getUsedHost().getJID(), streamHost.getJID());
            }


        };
        createResponses(streamHostUsedVerification2);


        // call the method that should be tested again
        outputStream = byteStreamManager.establishSession(targetJID, sessionID).getOutputStream();


        // test the established bytestream
        inputStream = socks5Proxy.getSocket(digest).getInputStream();


        outputStream.write(data);

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        // disable clients local SOCKS5 proxy
        SmackConfiguration.setLocalSocks5ProxyEnabled(false);


        // get Socks5ByteStreamManager for connection
        Socks5BytestreamManager byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);
        byteStreamManager.setProxyPrioritizationEnabled(false);


        assertFalse(byteStreamManager.isProxyPrioritizationEnabled());


        Verification<Bytestream, Bytestream> streamHostUsedVerification = new Verification<Bytestream, Bytestream>() {


            public void verify(Bytestream request, Bytestream response) {
                assertEquals(response.getSessionID(), request.getSessionID());
                assertEquals(2, request.getStreamHosts().size());
                // verify that the used stream host is the second in list
                StreamHost streamHost = (StreamHost) request.getStreamHosts().toArray()[1];
                assertEquals(response.getUsedHost().getJID(), streamHost.getJID());
            }


        };
        createResponses(streamHostUsedVerification);


        // start a local SOCKS5 proxy
        Socks5TestProxy socks5Proxy = Socks5TestProxy.getProxy(7778);
        socks5Proxy.start();


        // create digest to get the socket opened by target
        String digest = Socks5Utils.createDigest(sessionID, initiatorJID, targetJID);


        // call the method that should be tested
        OutputStream outputStream = byteStreamManager.establishSession(targetJID, sessionID).getOutputStream();


        // test the established bytestream
        InputStream inputStream = socks5Proxy.getSocket(digest).getInputStream();


        byte[] data = new byte[] { 1, 2, 3 };
        outputStream.write(data);


        byte[] result = new byte[3];
        inputStream.read(result);


        assertArrayEquals(data, result);


        protocol.verifyAll();


        createResponses(streamHostUsedVerification);


        // call the method that should be tested again
        outputStream = byteStreamManager.establishSession(targetJID, sessionID).getOutputStream();


        // test the established bytestream
        inputStream = socks5Proxy.getSocket(digest).getInputStream();


        outputStream.write(data);


        inputStream.read(result);


        assertArrayEquals(data, result);


        protocol.verifyAll();


        byteStreamManager.setProxyPrioritizationEnabled(true);


    }

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        // test data
        final byte[] data = new byte[] { 1, 2, 3 };
        final SynchronousQueue<byte[]> queue = new SynchronousQueue<byte[]>();


        Socks5BytestreamManager targetByteStreamManager = Socks5BytestreamManager.getBytestreamManager(targetConnection);


        Socks5BytestreamListener incomingByteStreamListener = new Socks5BytestreamListener() {


            public void incomingBytestreamRequest(Socks5BytestreamRequest request) {
                InputStream inputStream;
                try {
                    Socks5BytestreamSession session = request.accept();
                    inputStream = session.getInputStream();
                    byte[] receivedData = new byte[3];
                    inputStream.read(receivedData);
                    queue.put(receivedData);
                }
                catch (Exception e) {
                    fail(e.getMessage());
                }
            }


        };
        targetByteStreamManager.addIncomingBytestreamListener(incomingByteStreamListener);


        Socks5BytestreamManager initiatorByteStreamManager = Socks5BytestreamManager.getBytestreamManager(initiatorConnection);


        Socks5BytestreamSession session = initiatorByteStreamManager.establishSession(
                        targetConnection.getUser());
        OutputStream outputStream = session.getOutputStream();
        
        assertTrue(session.isDirect());

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        // test data
        final byte[] data = new byte[] { 1, 2, 3 };
        final SynchronousQueue<byte[]> queue = new SynchronousQueue<byte[]>();


        Socks5BytestreamManager targetByteStreamManager = Socks5BytestreamManager.getBytestreamManager(targetConnection);


        Socks5BytestreamListener incomingByteStreamListener = new Socks5BytestreamListener() {


            public void incomingBytestreamRequest(Socks5BytestreamRequest request) {
                InputStream inputStream;
                try {
                    Socks5BytestreamSession session = request.accept();
                    inputStream = session.getInputStream();
                    byte[] receivedData = new byte[3];
                    inputStream.read(receivedData);
                    queue.put(receivedData);
                }
                catch (Exception e) {
                    fail(e.getMessage());
                }
            }


        };
        targetByteStreamManager.addIncomingBytestreamListener(incomingByteStreamListener);


        Socks5BytestreamManager initiatorByteStreamManager = Socks5BytestreamManager.getBytestreamManager(initiatorConnection);


        Socks5BytestreamSession session = initiatorByteStreamManager.establishSession(
                        targetConnection.getUser());
        OutputStream outputStream = session.getOutputStream();


        assertTrue(session.isMediated());

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        // test data
        final byte[] data = new byte[] { 1, 2, 3 };
        final SynchronousQueue<byte[]> queue = new SynchronousQueue<byte[]>();


        Socks5BytestreamManager targetByteStreamManager = Socks5BytestreamManager.getBytestreamManager(targetConnection);


        Socks5BytestreamListener incomingByteStreamListener = new Socks5BytestreamListener() {


            public void incomingBytestreamRequest(Socks5BytestreamRequest request) {
                try {
                    Socks5BytestreamSession session = request.accept();
                    OutputStream outputStream = session.getOutputStream();
                    outputStream.write(data);
                    outputStream.flush();
                    InputStream inputStream = session.getInputStream();
                    byte[] receivedData = new byte[3];
                    inputStream.read(receivedData);
                    queue.put(receivedData);
                    session.close();
                }
                catch (Exception e) {
                    fail(e.getMessage());
                }
            }


        };
        targetByteStreamManager.addIncomingBytestreamListener(incomingByteStreamListener);


        Socks5BytestreamManager initiatorByteStreamManager = Socks5BytestreamManager.getBytestreamManager(initiatorConnection);


        Socks5BytestreamSession session = initiatorByteStreamManager.establishSession(targetConnection.getUser());
        
        assertTrue(session.isMediated());
        
        // verify stream
        final byte[] receivedData = new byte[3];

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            this.getNextResponseSessionID());
    }


    @Override
    protected BytestreamManager getManager(Connection connection) {
        Socks5BytestreamManager socks5ByteStreamManager = Socks5BytestreamManager
            .getBytestreamManager(connection);
        socks5ByteStreamManager
            .setTargetResponseTimeout(TARGET_RESPONSE_TIMEOUT);
        return socks5ByteStreamManager;
    }

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            // get SOCKS5 Bytestream manager for connection
            Socks5BytestreamManager byteStreamManager = Socks5BytestreamManager.getBytestreamManager(connection);


            // build SOCKS5 Bytestream request with the bytestream initialization
            Socks5BytestreamRequest byteStreamRequest = new Socks5BytestreamRequest(
                            byteStreamManager, bytestreamInitialization);


            // accept the stream (this is the call that is tested here)
            byteStreamRequest.accept();


            fail("exception should be thrown");
        }
        catch (XMPPException e) {
            assertTrue(e.getMessage().contains("Could not establish socket with any provided host"));

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