xmpp: move to library project

19 files changed, 0 insertions, 1476 deletions

diff --git a/juick-server/src/main/java/com/juick/server/xmpp/helpers/CommandResult.java b/juick-server/src/main/java/com/juick/server/xmpp/helpers/CommandResult.java
deleted file mode 100644
index f952b579..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/helpers/CommandResult.java
+++ /dev/null
@@ -1,28 +0,0 @@
-package com.juick.server.xmpp.helpers;
-
-import com.juick.Message;
-
-public class CommandResult {
-    private String text;
-    private Message newMessage;
-
-    public String getText() {
-        return text;
-    }
-
-    public Message getNewMessage() {
-        return newMessage;
-    }
-    public static CommandResult fromMessage(Message newMessage, String text) {
-        CommandResult result = new CommandResult();
-        result.newMessage = newMessage;
-        result.text = text;
-        return result;
-    }
-    public static CommandResult fromString(String text) {
-        CommandResult result = new CommandResult();
-        result.text = text;
-        return result;
-    }
-
-}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/helpers/XMPPStatus.java b/juick-server/src/main/java/com/juick/server/xmpp/helpers/XMPPStatus.java
deleted file mode 100644
index 7978ceb3..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/helpers/XMPPStatus.java
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright (C) 2008-2017, Juick
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package com.juick.server.xmpp.helpers;
-
-import com.juick.server.xmpp.s2s.ConnectionIn;
-import com.juick.server.xmpp.s2s.ConnectionOut;
-
-import java.util.List;
-import java.util.Set;
-
-/**
- * Created by vitalyster on 16.02.2017.
- */
-public class XMPPStatus {
-    private List<ConnectionIn> inbound;
-    private Set<ConnectionOut> outbound;
-
-    public List<ConnectionIn> getInbound() {
-        return inbound;
-    }
-
-    public void setInbound(List<ConnectionIn> inbound) {
-        this.inbound = inbound;
-    }
-
-    public Set<ConnectionOut> getOutbound() {
-        return outbound;
-    }
-
-    public void setOutbound(Set<ConnectionOut> outbound) {
-        this.outbound = outbound;
-    }
-}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/helpers/annotation/UserCommand.java b/juick-server/src/main/java/com/juick/server/xmpp/helpers/annotation/UserCommand.java
deleted file mode 100644
index 383383c9..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/helpers/annotation/UserCommand.java
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Copyright (C) 2008-2017, Juick
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package com.juick.server.xmpp.helpers.annotation;
-
-import org.apache.commons.lang3.StringUtils;
-
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-/**
- * Created by oxpa on 22.03.16.
- */
-@Target({ElementType.TYPE, ElementType.METHOD})
-@Retention(RetentionPolicy.RUNTIME)
-public @interface UserCommand {
-    /**
-     *
-     * @return a command pattern
-     */
-    String pattern() default StringUtils.EMPTY;
-
-    /**
-     *
-     * @return pattern flags
-     */
-    int patternFlags() default 0;
-
-    /**
-     *
-     * @return a string used in HELP command output. Basically, only 1 string
-     */
-    String help() default StringUtils.EMPTY;
-}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/router/Stream.java b/juick-server/src/main/java/com/juick/server/xmpp/router/Stream.java
deleted file mode 100644
index 7532443c..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/router/Stream.java
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * Juick
- * Copyright (C) 2008-2011, Ugnich Anton
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package com.juick.server.xmpp.router;
-
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-import org.xmlpull.v1.XmlPullParserFactory;
-import rocks.xmpp.addr.Jid;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
-import java.io.OutputStreamWriter;
-import java.nio.charset.StandardCharsets;
-import java.time.Instant;
-import java.util.UUID;
-
-/**
- *
- * @author Ugnich Anton
- */
-public abstract class Stream {
-
-    public boolean isLoggedIn() {
-        return loggedIn;
-    }
-
-    public void setLoggedIn(boolean loggedIn) {
-        this.loggedIn = loggedIn;
-    }
-
-    Jid from;
-    public Jid to;
-    private InputStream is;
-    private OutputStream os;
-    private XmlPullParserFactory factory;
-    protected XmlPullParser parser;
-    private OutputStreamWriter writer;
-    StreamHandler streamHandler;
-    private boolean loggedIn;
-    private Instant created;
-    private Instant updated;
-    String streamId;
-    private boolean secured;
-
-    public Stream(final Jid from, final Jid to, final InputStream is, final OutputStream os) throws XmlPullParserException {
-        this.from = from;
-        this.to = to;
-        this.is = is;
-        this.os = os;
-        factory = XmlPullParserFactory.newInstance();
-        created = updated = Instant.now();
-        streamId = UUID.randomUUID().toString();
-    }
-
-    void restartStream() throws XmlPullParserException {
-        parser = factory.newPullParser();
-        parser.setInput(new InputStreamReader(is, StandardCharsets.UTF_8));
-        parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
-        writer = new OutputStreamWriter(os, StandardCharsets.UTF_8);
-    }
-
-    public void connect() {
-        try {
-            restartStream();
-            handshake();
-            parse();
-        } catch (XmlPullParserException e) {
-            StreamError invalidXmlError = new StreamError("invalid-xml");
-            send(invalidXmlError.toString());
-            connectionFailed(new Exception(invalidXmlError.getCondition()));
-        } catch (IOException e) {
-            connectionFailed(e);
-        }
-    }
-
-    public void setHandler(final StreamHandler streamHandler) {
-        this.streamHandler = streamHandler;
-    }
-
-    public abstract void handshake() throws XmlPullParserException, IOException;
-
-    public void logoff() {
-        setLoggedIn(false);
-        try {
-            writer.flush();
-            writer.close();
-            //TODO close parser
-        } catch (final Exception e) {
-            connectionFailed(e);
-        }
-    }
-
-    public void send(final String str) {
-        try {
-            updated = Instant.now();
-            writer.write(str);
-            writer.flush();
-        } catch (final Exception e) {
-            connectionFailed(e);
-        }
-    }
-
-    private void parse() throws IOException, XmlPullParserException {
-        while (parser.next() != XmlPullParser.END_DOCUMENT) {
-            if (parser.getEventType() == XmlPullParser.IGNORABLE_WHITESPACE) {
-                setUpdated();
-            }
-            if (parser.getEventType() != XmlPullParser.START_TAG) {
-                continue;
-            }
-            setUpdated();
-            final String tag = parser.getName();
-            switch (tag) {
-                case "message":
-                case "presence":
-                case "iq":
-                    streamHandler.stanzaReceived(XmlUtils.parseToString(parser, false));
-                    break;
-                case "error":
-                    StreamError error = StreamError.parse(parser);
-                    connectionFailed(new Exception(error.getCondition()));
-                    return;
-                default:
-                    XmlUtils.skip(parser);
-                    break;
-            }
-        }
-    }
-
-    /**
-     * This method is used to be called on a parser or a connection error.
-     * It tries to close the XML-Reader and XML-Writer one last time.
-     */
-    private void connectionFailed(final Exception ex) {
-        if (isLoggedIn()) {
-            try {
-                writer.close();
-                //TODO close parser
-            } catch (Exception e) {
-            }
-        }
-        streamHandler.fail(ex);
-    }
-
-    public Instant getCreated() {
-        return created;
-    }
-
-    public Instant getUpdated() {
-        return updated;
-    }
-    public String getStreamId() {
-        return streamId;
-    }
-
-    public boolean isSecured() {
-        return secured;
-    }
-
-    public void setSecured(boolean secured) {
-        this.secured = secured;
-    }
-
-    public void setUpdated() {
-        this.updated = Instant.now();
-    }
-}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/router/StreamComponentServer.java b/juick-server/src/main/java/com/juick/server/xmpp/router/StreamComponentServer.java
deleted file mode 100644
index 5e2f6f82..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/router/StreamComponentServer.java
+++ /dev/null
@@ -1,58 +0,0 @@
-package com.juick.server.xmpp.router;
-
-import com.juick.xmpp.extensions.Handshake;
-import org.apache.commons.codec.digest.DigestUtils;
-import org.xmlpull.v1.XmlPullParserException;
-import rocks.xmpp.addr.Jid;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.UUID;
-
-/**
- * Created by vitalyster on 30.01.2017.
- */
-public class StreamComponentServer extends Stream {
-
-    private String streamId, secret;
-
-    public String getStreamId() {
-        return streamId;
-    }
-
-
-    public StreamComponentServer(InputStream is, OutputStream os, String password) throws XmlPullParserException {
-        super(null, null, is, os);
-        secret = password;
-        streamId = UUID.randomUUID().toString();
-    }
-    @Override
-    public void handshake() throws XmlPullParserException, IOException {
-        parser.next();
-        if (!parser.getName().equals("stream")
-                || !parser.getNamespace(null).equals(StreamNamespaces.NS_COMPONENT_ACCEPT)
-                || !parser.getNamespace("stream").equals(StreamNamespaces.NS_STREAM)) {
-            throw new IOException("invalid stream");
-        }
-        Jid domain = Jid.of(parser.getAttributeValue(null, "to"));
-        if (streamHandler.filter(null, domain)) {
-            send(new XMPPError(XMPPError.Type.cancel, "forbidden").toString());
-            throw new IOException("invalid domain");
-        }
-        from = domain;
-        to = domain;
-        send(String.format("<stream:stream xmlns:stream='%s' " +
-                "xmlns='%s' from='%s' id='%s'>", StreamNamespaces.NS_STREAM, StreamNamespaces.NS_COMPONENT_ACCEPT, from.asBareJid().toEscapedString(), streamId));
-        Handshake handshake = Handshake.parse(parser);
-        boolean authenticated = handshake.getValue().equals(DigestUtils.sha1Hex(streamId + secret));
-        setLoggedIn(authenticated);
-        if (!authenticated) {
-            send(new XMPPError(XMPPError.Type.cancel, "not-authorized").toString());
-            streamHandler.fail(new IOException("stream:stream, failed authentication"));
-            return;
-        }
-        send(new Handshake().toString());
-        streamHandler.ready();
-    }
-}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/router/StreamError.java b/juick-server/src/main/java/com/juick/server/xmpp/router/StreamError.java
deleted file mode 100644
index 7eacfc94..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/router/StreamError.java
+++ /dev/null
@@ -1,44 +0,0 @@
-package com.juick.server.xmpp.router;
-
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-
-import java.io.IOException;
-
-
-/**
- * Created by vitalyster on 03.02.2017.
- */
-public class StreamError {
-
-    private String condition;
-
-    public StreamError() {}
-
-    public StreamError(String condition) {
-        this.condition = condition;
-    }
-
-    public static StreamError parse(XmlPullParser parser) throws IOException, XmlPullParserException {
-        StreamError streamError = new StreamError();
-        while (parser.next() == XmlPullParser.START_TAG) {
-            final String tag = parser.getName();
-            final String xmlns = parser.getNamespace();
-            if (xmlns.equals(StreamNamespaces.NS_XMPP_STREAMS)) {
-                streamError.condition = tag;
-            } else {
-                XmlUtils.skip(parser);
-            }
-        }
-        return streamError;
-    }
-
-    public String getCondition() {
-        return condition;
-    }
-
-    @Override
-    public String toString() {
-        return String.format("<stream:error><%s xmlns='%s'/></stream:error>", condition, StreamNamespaces.NS_XMPP_STREAMS);
-    }
-}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/router/StreamHandler.java b/juick-server/src/main/java/com/juick/server/xmpp/router/StreamHandler.java
deleted file mode 100644
index 43836c2d..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/router/StreamHandler.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package com.juick.server.xmpp.router;
-
-import rocks.xmpp.addr.Jid;
-
-/**
- * Created by vitalyster on 01.02.2017.
- */
-public interface StreamHandler {
-    void ready();
-    void fail(final Exception ex);
-    boolean filter(Jid from, Jid to);
-    void stanzaReceived(String stanza);
-}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/router/StreamNamespaces.java b/juick-server/src/main/java/com/juick/server/xmpp/router/StreamNamespaces.java
deleted file mode 100644
index 1b9b1965..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/router/StreamNamespaces.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package com.juick.server.xmpp.router;
-
-public class StreamNamespaces {
-    public static final String NS_STREAM = "http://etherx.jabber.org/streams";
-    public static final String NS_TLS = "urn:ietf:params:xml:ns:xmpp-tls";
-    public static final String NS_DB = "jabber:server:dialback";
-    public static final String NS_SERVER = "jabber:server";
-    public static final String NS_COMPONENT_ACCEPT = "jabber:component:accept";
-    public static final String NS_XMPP_STREAMS = "urn:ietf:params:xml:ns:xmpp-streams";
-}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/router/XMPPError.java b/juick-server/src/main/java/com/juick/server/xmpp/router/XMPPError.java
deleted file mode 100644
index 0cf9a3bc..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/router/XMPPError.java
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Juick
- * Copyright (C) 2008-2013, ugnich
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package com.juick.server.xmpp.router;
-
-import org.apache.commons.text.StringEscapeUtils;
-
-/**
- *
- * @author ugnich
- */
-public class XMPPError {
-
-    public static final class Type {
-
-        public static final String auth = "auth";
-        public static final String cancel = "cancel";
-        public static final String continue_ = "continue";
-        public static final String modify = "modify";
-        public static final String wait = "wait";
-    }
-    private final static String TagName = "error";
-    public String by = null;
-    private String type;
-    private String condition;
-    private String text = null;
-
-    public XMPPError(String type, String condition) {
-        this.type = type;
-        this.condition = condition;
-    }
-
-    @Override
-    public String toString() {
-        StringBuilder str = new StringBuilder("<").append(TagName).append("");
-        if (by != null) {
-            str.append(" by=\"").append(StringEscapeUtils.escapeXml10(by)).append("\"");
-        }
-        if (type != null) {
-            str.append(" type=\"").append(StringEscapeUtils.escapeXml10(type)).append("\"");
-        }
-
-        if (condition != null) {
-            str.append(">");
-            str.append("<").append(StringEscapeUtils.escapeXml10(condition)).append(" xmlns=\"urn:ietf:params:xml:ns:xmpp-stanzas\"");
-            if (text != null) {
-                str.append(">").append(StringEscapeUtils.escapeXml10(text)).append("</").append(StringEscapeUtils.escapeXml10(condition))
-                    .append(">");
-            } else {
-                str.append("/>");
-            }
-            str.append("</").append(TagName).append(">");
-        } else {
-            str.append("/>");
-        }
-
-        return str.toString();
-    }
-}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/router/XMPPRouter.java b/juick-server/src/main/java/com/juick/server/xmpp/router/XMPPRouter.java
deleted file mode 100644
index a262e941..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/router/XMPPRouter.java
+++ /dev/null
@@ -1,176 +0,0 @@
-package com.juick.server.xmpp.router;
-
-import com.juick.server.XMPPServer;
-import com.juick.server.xmpp.s2s.BasicXmppSession;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.stereotype.Component;
-import org.xmlpull.v1.XmlPullParserException;
-import rocks.xmpp.addr.Jid;
-import rocks.xmpp.core.stanza.model.Stanza;
-import rocks.xmpp.util.XmppUtils;
-
-import javax.annotation.PostConstruct;
-import javax.annotation.PreDestroy;
-import javax.inject.Inject;
-import javax.xml.bind.JAXBException;
-import javax.xml.bind.Unmarshaller;
-import javax.xml.stream.XMLStreamException;
-import javax.xml.stream.XMLStreamWriter;
-import java.io.IOException;
-import java.io.StringReader;
-import java.io.StringWriter;
-import java.net.ServerSocket;
-import java.net.Socket;
-import java.net.SocketException;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Iterator;
-import java.util.List;
-import java.util.concurrent.ExecutorService;
-
-@Component
-public class XMPPRouter implements StreamHandler {
-    private static final Logger logger = LoggerFactory.getLogger(XMPPRouter.class);
-
-    @Inject
-    private ExecutorService service;
-
-    private final List<StreamComponentServer> connections = Collections.synchronizedList(new ArrayList<>());
-
-    private ServerSocket listener;
-
-    @Inject
-    private BasicXmppSession session;
-
-    @Value("${router_port:5347}")
-    private int routerPort;
-
-    @Inject
-    private XMPPServer xmppServer;
-
-    @PostConstruct
-    public void init() {
-        logger.info("component router initialized");
-        service.submit(() -> {
-            try {
-                listener = new ServerSocket(routerPort);
-                logger.info("component router listening on {}", routerPort);
-                while (!listener.isClosed()) {
-                    if (Thread.currentThread().isInterrupted()) break;
-                    Socket socket = listener.accept();
-                    service.submit(() -> {
-                        try {
-                            StreamComponentServer client = new StreamComponentServer(socket.getInputStream(), socket.getOutputStream(), "secret");
-                            addConnectionIn(client);
-                            client.setHandler(this);
-                            client.connect();
-                        } catch (IOException e) {
-                            logger.error("component error", e);
-                        } catch (XmlPullParserException e) {
-                            e.printStackTrace();
-                        }
-                    });
-                }
-            } catch (SocketException e) {
-                // shutdown
-            } catch (IOException e) {
-                logger.warn("io exception", e);
-            }
-        });
-    }
-
-    @PreDestroy
-    public void close() throws Exception {
-        if (!listener.isClosed()) {
-            listener.close();
-        }
-        synchronized (getConnections()) {
-            for (Iterator<StreamComponentServer> i = getConnections().iterator(); i.hasNext(); ) {
-                StreamComponentServer c = i.next();
-                c.logoff();
-                i.remove();
-            }
-        }
-        service.shutdown();
-        logger.info("XMPP router destroyed");
-    }
-
-    private void addConnectionIn(StreamComponentServer c) {
-        synchronized (getConnections()) {
-            getConnections().add(c);
-        }
-    }
-
-    private void sendOut(Stanza s) {
-        try {
-            StringWriter stanzaWriter = new StringWriter();
-            XMLStreamWriter xmppStreamWriter = XmppUtils.createXmppStreamWriter(
-                    session.getConfiguration().getXmlOutputFactory().createXMLStreamWriter(stanzaWriter));
-            session.createMarshaller().marshal(s, xmppStreamWriter);
-            xmppStreamWriter.flush();
-            xmppStreamWriter.close();
-            String xml = stanzaWriter.toString();
-            logger.info("XMPPRouter (out): {}", xml);
-            sendOut(s.getTo().getDomain(), xml);
-        } catch (XMLStreamException | JAXBException e1) {
-            logger.info("jaxb exception", e1);
-        }
-    }
-
-    private void sendOut(String hostname, String xml) {
-        boolean haveAnyConn = false;
-
-        StreamComponentServer connOut = null;
-        synchronized (getConnections()) {
-            for (StreamComponentServer c : getConnections()) {
-                if (c.to != null && c.to.getDomain().equals(hostname)) {
-                    if (c.isLoggedIn()) {
-                        connOut = c;
-                        break;
-                    }
-                }
-            }
-        }
-        if (connOut != null) {
-            connOut.send(xml);
-            return;
-        }
-        xmppServer.sendOut(Jid.of(hostname), xml);
-
-    }
-
-    public List<StreamComponentServer> getConnections() {
-        return connections;
-    }
-
-    private Stanza parse(String xml) {
-        try {
-            Unmarshaller unmarshaller = session.createUnmarshaller();
-            return (Stanza)unmarshaller.unmarshal(new StringReader(xml));
-        } catch (JAXBException e) {
-            logger.error("JAXB exception", e);
-        }
-        return null;
-    }
-    @Override
-    public void stanzaReceived(String stanza) {
-        sendOut(parse(stanza));
-    }
-
-    @Override
-    public void ready() {
-
-    }
-
-    @Override
-    public void fail(Exception e) {
-
-    }
-
-    @Override
-    public boolean filter(Jid jid, Jid jid1) {
-        return false;
-    }
-}
\ No newline at end of file
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/router/XmlUtils.java b/juick-server/src/main/java/com/juick/server/xmpp/router/XmlUtils.java
deleted file mode 100644
index 7579489f..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/router/XmlUtils.java
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * Juick
- * Copyright (C) 2008-2011, Ugnich Anton
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package com.juick.server.xmpp.router;
-
-import java.io.IOException;
-
-import org.apache.commons.text.StringEscapeUtils;
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-
-/**
- *
- * @author Ugnich Anton
- */
-public class XmlUtils {
-
-    public static void skip(XmlPullParser parser) throws XmlPullParserException, IOException {
-        String tag = parser.getName();
-        while (parser.getName() != null && !(parser.next() == XmlPullParser.END_TAG && parser.getName().equals(tag))) {
-        }
-    }
-
-    public static String getTagText(XmlPullParser parser) throws XmlPullParserException, IOException {
-        String ret = "";
-        String tag = parser.getName();
-
-        if (parser.next() == XmlPullParser.TEXT) {
-            ret = parser.getText();
-        }
-
-        while (!(parser.getEventType() == XmlPullParser.END_TAG && parser.getName().equals(tag))) {
-            parser.next();
-        }
-
-        return ret;
-    }
-
-    public static String parseToString(XmlPullParser parser, boolean skipXMLNS) throws XmlPullParserException, IOException {
-        String tag = parser.getName();
-        StringBuilder ret = new StringBuilder("<").append(tag);
-
-        // skipXMLNS for xmlns="jabber:client"
-
-        String ns = parser.getNamespace();
-        if (!skipXMLNS && ns != null && !ns.isEmpty()) {
-            ret.append(" xmlns=\"").append(ns).append("\"");
-        }
-
-        for (int i = 0; i < parser.getAttributeCount(); i++) {
-            String attr = parser.getAttributeName(i);
-            if ((!skipXMLNS || !attr.equals("xmlns")) && !attr.contains(":")) {
-                ret.append(" ").append(attr).append("=\"").append(StringEscapeUtils.escapeXml10(parser.getAttributeValue(i))).append("\"");
-            }
-        }
-        ret.append(">");
-
-        while (!(parser.next() == XmlPullParser.END_TAG && parser.getName().equals(tag))) {
-            int event = parser.getEventType();
-            if (event == XmlPullParser.START_TAG) {
-                if (!parser.getName().contains(":")) {
-                    ret.append(parseToString(parser, false));
-                } else {
-                    skip(parser);
-                }
-            } else if (event == XmlPullParser.TEXT) {
-                ret.append(StringEscapeUtils.escapeXml10(parser.getText()));
-            }
-        }
-
-        ret.append("</").append(tag).append(">");
-        return ret.toString();
-    }
-}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/s2s/CacheEntry.java b/juick-server/src/main/java/com/juick/server/xmpp/s2s/CacheEntry.java
deleted file mode 100644
index 33e875bd..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/s2s/CacheEntry.java
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright (C) 2008-2017, Juick
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package com.juick.server.xmpp.s2s;
-
-import rocks.xmpp.addr.Jid;
-
-import java.time.Instant;
-
-/**
- *
- * @author ugnich
- */
-public class CacheEntry {
-
-    public Jid hostname;
-    public Instant created;
-    public Instant updated;
-    public String xml;
-
-    public CacheEntry(Jid hostname, String xml) {
-        this.hostname = hostname;
-        this.created = this.updated =Instant.now();
-        this.xml = xml;
-    }
-}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/s2s/Connection.java b/juick-server/src/main/java/com/juick/server/xmpp/s2s/Connection.java
deleted file mode 100644
index 6bf61169..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/s2s/Connection.java
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * Copyright (C) 2008-2017, Juick
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package com.juick.server.xmpp.s2s;
-
-import com.fasterxml.jackson.annotation.JsonIgnore;
-import com.juick.server.XMPPServer;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-import org.xmlpull.v1.XmlPullParserFactory;
-
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.OutputStreamWriter;
-import java.net.Socket;
-import java.nio.charset.StandardCharsets;
-import java.time.Instant;
-import java.util.UUID;
-
-/**
- *
- * @author ugnich
- */
-public class Connection {
-
-    protected static final Logger logger = LoggerFactory.getLogger(Connection.class);
-
-    public String streamID;
-    public Instant created;
-    public Instant updated;
-    public long bytesLocal = 0;
-    public long packetsLocal = 0;
-    XMPPServer xmpp;
-    private Socket socket;
-    public static final String NS_DB = "jabber:server:dialback";
-    public static final String NS_TLS = "urn:ietf:params:xml:ns:xmpp-tls";
-    public static final String NS_STREAM = "http://etherx.jabber.org/streams";
-    XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
-    XmlPullParser parser = factory.newPullParser();
-    OutputStreamWriter writer;
-    private boolean secured = false;
-
-
-
-    public Connection(XMPPServer xmpp) throws XmlPullParserException {
-        this.xmpp = xmpp;
-        created = updated = Instant.now();
-    }
-
-    public void logParser() {
-        if (streamID == null) {
-            return;
-        }
-        String tag = "IN: <" + parser.getName();
-        for (int i = 0; i < parser.getAttributeCount(); i++) {
-            tag += " " + parser.getAttributeName(i) + "=\"" + parser.getAttributeValue(i) + "\"";
-        }
-        tag += ">...</" + parser.getName() + ">\n";
-        logger.trace(tag);
-    }
-
-    public void sendStanza(String xml) {
-        if (streamID != null) {
-            logger.trace("OUT: {}\n", xml);
-        }
-        try {
-            writer.write(xml);
-            writer.flush();
-        } catch (IOException e) {
-            logger.error("send stanza failed", e);
-        }
-
-        updated = Instant.now();
-        bytesLocal += xml.length();
-        packetsLocal++;
-    }
-
-    public void closeConnection() {
-        if (streamID != null) {
-            logger.debug("closing stream {}", streamID);
-        }
-
-        try {
-            writer.write("</stream:stream>");
-        } catch (Exception e) {
-        }
-
-        try {
-            writer.close();
-        } catch (Exception e) {
-        }
-
-        try {
-            socket.close();
-        } catch (Exception e) {
-        }
-    }
-
-    public boolean isSecured() {
-        return secured;
-    }
-
-    public void setSecured(boolean secured) {
-        this.secured = secured;
-    }
-
-    public void restartParser() throws XmlPullParserException, IOException {
-        streamID = UUID.randomUUID().toString();
-        parser = factory.newPullParser();
-        parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
-        parser.setInput(new InputStreamReader(socket.getInputStream()));
-        writer = new OutputStreamWriter(socket.getOutputStream(), StandardCharsets.UTF_8);
-    }
-
-    @JsonIgnore
-    public Socket getSocket() {
-        return socket;
-    }
-
-    public void setSocket(Socket socket) {
-        this.socket = socket;
-    }
-}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionIn.java b/juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionIn.java
deleted file mode 100644
index 9ee81d4d..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionIn.java
+++ /dev/null
@@ -1,213 +0,0 @@
-/*
- * Copyright (C) 2008-2017, Juick
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package com.juick.server.xmpp.s2s;
-
-import com.juick.server.XMPPServer;
-import com.juick.xmpp.extensions.StreamError;
-import com.juick.xmpp.utils.XmlUtils;
-import org.apache.commons.lang3.StringUtils;
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-import rocks.xmpp.addr.Jid;
-
-import java.io.EOFException;
-import java.io.IOException;
-import java.net.Socket;
-import java.net.SocketException;
-import java.time.Instant;
-import java.util.Arrays;
-import java.util.List;
-import java.util.UUID;
-import java.util.concurrent.CopyOnWriteArrayList;
-
-/**
- * @author ugnich
- */
-public class ConnectionIn extends Connection implements Runnable {
-
-    final public List<Jid> from = new CopyOnWriteArrayList<>();
-    public Instant received;
-    public long packetsRemote = 0;
-    ConnectionListener listener;
-
-    public ConnectionIn(XMPPServer xmpp, Socket socket) throws XmlPullParserException, IOException {
-        super(xmpp);
-        this.setSocket(socket);
-        restartParser();
-    }
-
-    @Override
-    public void run() {
-        try {
-            parser.next(); // stream:stream
-            updateTsRemoteData();
-            if (!parser.getName().equals("stream")
-                    || !parser.getNamespace("stream").equals(NS_STREAM)) {
-//                    || !parser.getAttributeValue(null, "version").equals("1.0")
-//                    || !parser.getAttributeValue(null, "to").equals(Main.HOSTNAME)) {
-                throw new Exception(String.format("stream from %s invalid", getSocket().getRemoteSocketAddress()));
-            }
-            streamID = parser.getAttributeValue(null, "id");
-            if (streamID == null) {
-                streamID = UUID.randomUUID().toString();
-            }
-            boolean xmppversionnew = parser.getAttributeValue(null, "version") != null;
-            String from = parser.getAttributeValue(null, "from");
-
-            if (Arrays.asList(xmpp.bannedHosts).contains(from)) {
-                closeConnection();
-                return;
-            }
-            sendOpenStream(from, xmppversionnew);
-
-            while (parser.next() != XmlPullParser.END_DOCUMENT) {
-                updateTsRemoteData();
-                if (parser.getEventType() != XmlPullParser.START_TAG) {
-                    continue;
-                }
-                logParser();
-
-                packetsRemote++;
-
-                String tag = parser.getName();
-                if (tag.equals("result") && parser.getNamespace().equals(NS_DB)) {
-                    String dfrom = parser.getAttributeValue(null, "from");
-                    String to = parser.getAttributeValue(null, "to");
-                    logger.debug("stream from {} to {} {} asking for dialback", dfrom, to, streamID);
-                    if (dfrom.endsWith(xmpp.getJid().toEscapedString()) && (dfrom.equals(xmpp.getJid().toEscapedString())
-                            || dfrom.endsWith("." + xmpp.getJid()))) {
-                        logger.warn("stream from {} is invalid", dfrom);
-                        break;
-                    }
-                    if (to != null && to.equals(xmpp.getJid().toEscapedString())) {
-                        String dbKey = XmlUtils.getTagText(parser);
-                        updateTsRemoteData();
-                        xmpp.startDialback(Jid.of(dfrom), streamID, dbKey);
-                    } else {
-                        logger.warn("stream from " + dfrom + " " + streamID + " invalid to " + to);
-                        break;
-                    }
-                } else if (tag.equals("verify") && parser.getNamespace().equals(NS_DB)) {
-                    String vfrom = parser.getAttributeValue(null, "from");
-                    String vto = parser.getAttributeValue(null, "to");
-                    String vid = parser.getAttributeValue(null, "id");
-                    String vkey = XmlUtils.getTagText(parser);
-                    updateTsRemoteData();
-                    final boolean[] valid = {false};
-                    if (vfrom != null && vto != null && vid != null && vkey != null) {
-                        xmpp.getConnectionOut(Jid.of(vfrom), false).ifPresent(c -> {
-                            String dialbackKey = c.dbKey;
-                            valid[0] = vkey.equals(dialbackKey);
-                        });
-                    }
-                    if (valid[0]) {
-                        sendStanza("<db:verify from='" + vto + "' to='" + vfrom + "' id='" + vid + "' type='valid'/>");
-                        logger.debug("stream from {} {} dialback verify valid", vfrom, streamID);
-                    } else {
-                        sendStanza("<db:verify from='" + vto + "' to='" + vfrom + "' id='" + vid + "' type='invalid'/>");
-                        logger.warn("stream from {} {} dialback verify invalid", vfrom, streamID);
-                    }
-                } else if (tag.equals("presence") && checkFromTo(parser)) {
-                    String xml = XmlUtils.parseToString(parser, false);
-                    logger.debug("stream {} presence: {}", streamID, xml);
-                    xmpp.onStanzaReceived(xml);
-                } else if (tag.equals("message") && checkFromTo(parser)) {
-                    updateTsRemoteData();
-                    String xml = XmlUtils.parseToString(parser, false);
-                    logger.debug("stream {} message: {}", streamID, xml);
-                    xmpp.onStanzaReceived(xml);
-
-                } else if (tag.equals("iq") && checkFromTo(parser)) {
-                    updateTsRemoteData();
-                    String type = parser.getAttributeValue(null, "type");
-                    String xml = XmlUtils.parseToString(parser, false);
-                    if (type == null || !type.equals("error")) {
-                        logger.debug("stream {} iq: {}", streamID, xml);
-                        xmpp.onStanzaReceived(xml);
-                    }
-                } else if (!isSecured() && tag.equals("starttls")) {
-                    listener.starttls(this);
-                } else if (isSecured() && tag.equals("stream") && parser.getNamespace().equals(NS_STREAM)) {
-                    sendOpenStream(null, true);
-                } else if (tag.equals("error")) {
-                    StreamError streamError = StreamError.parse(parser);
-                    logger.debug("Stream error from {}: {}", streamID, streamError.getCondition());
-                    xmpp.removeConnectionIn(this);
-                    closeConnection();
-                } else {
-                    String unhandledStanza = XmlUtils.parseToString(parser, true);
-                    logger.warn("Unhandled stanza from {}: {}", streamID, unhandledStanza);
-                }
-            }
-            logger.warn("stream {} finished", streamID);
-            xmpp.removeConnectionIn(this);
-            closeConnection();
-        } catch (EOFException | SocketException ex) {
-            logger.debug("stream {} closed (dirty)", streamID);
-            xmpp.removeConnectionIn(this);
-            closeConnection();
-        } catch (Exception e) {
-            logger.debug("stream {} error {}", streamID, e);
-            xmpp.removeConnectionIn(this);
-            closeConnection();
-        }
-    }
-
-    void updateTsRemoteData() {
-        received = Instant.now();
-    }
-
-    void sendOpenStream(String from, boolean xmppversionnew) throws IOException {
-        String openStream = "<?xml version='1.0'?><stream:stream xmlns='jabber:server' " +
-                "xmlns:stream='http://etherx.jabber.org/streams' xmlns:db='jabber:server:dialback' from='" +
-                xmpp.getJid().toEscapedString() + "' id='" + streamID + "' version='1.0'>";
-        if (xmppversionnew) {
-            openStream += "<stream:features>";
-            if (listener != null && listener.isTlsAvailable() && !isSecured() && !Arrays.asList(xmpp.brokenSSLhosts).contains(from)) {
-                openStream += "<starttls xmlns=\"" + NS_TLS + "\"><optional/></starttls>";
-            }
-            openStream += "</stream:features>";
-        }
-        sendStanza(openStream);
-    }
-
-    public void sendDialbackResult(Jid sfrom, String type) {
-        sendStanza("<db:result from='" + xmpp.getJid().toEscapedString() + "' to='" + sfrom + "' type='" + type + "'/>");
-        if (type.equals("valid")) {
-            from.add(sfrom);
-            logger.debug("stream from {} {} ready", sfrom, streamID);
-        }
-    }
-
-    boolean checkFromTo(XmlPullParser parser) throws Exception {
-        String cfrom = parser.getAttributeValue(null, "from");
-        String cto = parser.getAttributeValue(null, "to");
-        if (StringUtils.isNotEmpty(cfrom) && StringUtils.isNotEmpty(cto)) {
-            Jid jidfrom = Jid.of(cfrom);
-            for (Jid aFrom : from) {
-                if (aFrom.equals(Jid.of(jidfrom.getDomain()))) {
-                    return true;
-                }
-            }
-        }
-        return false;
-    }
-    public void setListener(ConnectionListener listener) {
-        this.listener = listener;
-    }
-}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionListener.java b/juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionListener.java
deleted file mode 100644
index fde7a0e7..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionListener.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package com.juick.server.xmpp.s2s;
-
-import com.juick.xmpp.extensions.StreamError;
-
-public interface ConnectionListener {
-    boolean isTlsAvailable();
-    void starttls(ConnectionIn connection);
-    void proceed(ConnectionOut connection);
-    void verify(ConnectionOut connection, String from, String type, String sid);
-    void dialbackError(ConnectionOut connection, StreamError error);
-    void finished(ConnectionOut connection, boolean dirty);
-    void exception(ConnectionOut connection, Exception ex);
-    void ready(ConnectionOut connection);
-    boolean securing(ConnectionOut connection);
-}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionOut.java b/juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionOut.java
deleted file mode 100644
index e3bd53e9..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/s2s/ConnectionOut.java
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * Copyright (C) 2008-2017, Juick
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package com.juick.server.xmpp.s2s;
-
-import com.juick.server.xmpp.s2s.util.DialbackUtils;
-import com.juick.xmpp.Stream;
-import com.juick.xmpp.extensions.StreamError;
-import com.juick.xmpp.extensions.StreamFeatures;
-import com.juick.xmpp.utils.XmlUtils;
-import org.apache.commons.text.RandomStringGenerator;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.xmlpull.v1.XmlPullParser;
-import rocks.xmpp.addr.Jid;
-
-import java.io.EOFException;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.net.SocketException;
-import java.util.UUID;
-
-/**
- * @author ugnich
- */
-public class ConnectionOut extends Stream {
-    protected static final Logger logger = LoggerFactory.getLogger(ConnectionOut.class);
-    public static final String NS_TLS = "urn:ietf:params:xml:ns:xmpp-tls";
-    public static final String NS_DB = "jabber:server:dialback";
-    private boolean secured = false;
-
-    public boolean streamReady = false;
-    String checkSID = null;
-    String dbKey = null;
-    private String streamID;
-    ConnectionListener listener;
-    RandomStringGenerator generator = new RandomStringGenerator.Builder().withinRange('a', 'z').build();
-
-    public ConnectionOut(Jid from, Jid to, InputStream is, OutputStream os, String checkSID, String dbKey) throws Exception {
-        super(from, to, is, os);
-        this.to = to;
-        this.checkSID = checkSID;
-        this.dbKey = dbKey;
-        if (dbKey == null) {
-            this.dbKey = DialbackUtils.generateDialbackKey(generator.generate(15), to, from, streamID);
-        }
-        streamID = UUID.randomUUID().toString();
-    }
-
-    public void sendOpenStream() throws IOException {
-        send("<?xml version='1.0'?><stream:stream xmlns='jabber:server' id='" + streamID +
-                "' xmlns:stream='http://etherx.jabber.org/streams' xmlns:db='jabber:server:dialback' from='" +
-                from.toEscapedString()  + "' to='" + to.toEscapedString() + "' version='1.0'>");
-    }
-
-    void processDialback() throws Exception {
-        if (checkSID != null) {
-            sendDialbackVerify(checkSID, dbKey);
-        }
-        send("<db:result from='" + from.toEscapedString() + "' to='" + to.toEscapedString() + "'>" +
-                 dbKey + "</db:result>");
-    }
-
-    @Override
-    public void handshake() {
-        try {
-            restartStream();
-
-            sendOpenStream();
-
-            parser.next(); // stream:stream
-            streamID = parser.getAttributeValue(null, "id");
-            if (streamID == null || streamID.isEmpty()) {
-                throw new Exception("stream to " + to + " invalid first packet");
-            }
-
-            logger.debug("stream to {} {} open", to, streamID);
-            boolean xmppversionnew = parser.getAttributeValue(null, "version") != null;
-            if (!xmppversionnew) {
-                processDialback();
-            }
-
-            while (parser.next() != XmlPullParser.END_DOCUMENT) {
-                if (parser.getEventType() != XmlPullParser.START_TAG) {
-                    continue;
-                }
-
-                String tag = parser.getName();
-                if (tag.equals("result") && parser.getNamespace().equals(NS_DB)) {
-                    String type = parser.getAttributeValue(null, "type");
-                    if (type != null && type.equals("valid")) {
-                        streamReady = true;
-                        listener.ready(this);
-                    } else {
-                        logger.warn("stream to {} {} dialback fail", to, streamID);
-                    }
-                    XmlUtils.skip(parser);
-                } else if (tag.equals("verify") && parser.getNamespace().equals(NS_DB)) {
-                    String from = parser.getAttributeValue(null, "from");
-                    String type = parser.getAttributeValue(null, "type");
-                    String sid = parser.getAttributeValue(null, "id");
-                    listener.verify(this, from, type, sid);
-                    XmlUtils.skip(parser);
-                } else if (tag.equals("features") && parser.getNamespace().equals(NS_STREAM)) {
-                    StreamFeatures features = StreamFeatures.parse(parser);
-                    if (listener != null && !secured && features.STARTTLS >= 0
-                            && listener.securing(this)) {
-                        logger.debug("stream to {} {} securing", to.toEscapedString(), streamID);
-                        send("<starttls xmlns=\"" + NS_TLS + "\" />");
-                    } else {
-                        processDialback();
-                    }
-                } else if (tag.equals("proceed") && parser.getNamespace().equals(NS_TLS)) {
-                    listener.proceed(this);
-                } else if (secured && tag.equals("stream") && parser.getNamespace().equals(NS_STREAM)) {
-                    streamID = parser.getAttributeValue(null, "id");
-                } else if (tag.equals("error")) {
-                    StreamError streamError = StreamError.parse(parser);
-                    listener.dialbackError(this, streamError);
-                } else {
-                    String unhandledStanza = XmlUtils.parseToString(parser, true);
-                    logger.warn("Unhandled stanza from {} {} : {}", to, streamID, unhandledStanza);
-                }
-            }
-            listener.finished(this, false);
-        } catch (EOFException | SocketException eofex) {
-            listener.finished(this, true);
-        } catch (Exception e) {
-            listener.exception(this, e);
-        }
-    }
-
-    public void sendDialbackVerify(String sid, String key) {
-        send("<db:verify from='" + from.toEscapedString() + "' to='" + to + "' id='" + sid + "'>" +
-                key + "</db:verify>");
-    }
-    public void setListener(ConnectionListener listener) {
-        this.listener = listener;
-    }
-
-    public String getStreamID() {
-        return streamID;
-    }
-
-    public boolean isSecured() {
-        return secured;
-    }
-
-    public void setSecured(boolean secured) {
-        this.secured = secured;
-    }
-}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/s2s/DNSQueries.java b/juick-server/src/main/java/com/juick/server/xmpp/s2s/DNSQueries.java
deleted file mode 100644
index 1367d333..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/s2s/DNSQueries.java
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Copyright (C) 2008-2017, Juick
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package com.juick.server.xmpp.s2s;
-
-import org.apache.commons.lang3.math.NumberUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.net.InetSocketAddress;
-import java.util.Hashtable;
-import java.util.Random;
-import javax.naming.NamingException;
-import javax.naming.directory.Attribute;
-import javax.naming.directory.DirContext;
-import javax.naming.directory.InitialDirContext;
-
-/**
- *
- * @author ugnich
- */
-public class DNSQueries {
-
-    private static final Logger logger = LoggerFactory.getLogger(DNSQueries.class);
-
-    private static Random rand = new Random();
-
-    public static InetSocketAddress getServerAddress(String hostname) {
-
-        String host = hostname;
-        int port = 5269;
-
-        Hashtable<String, String> env = new Hashtable<>(5);
-        env.put("java.naming.factory.initial", "com.sun.jndi.dns.DnsContextFactory");
-        try {
-            DirContext ctx = new InitialDirContext(env);
-            Attribute att = ctx.getAttributes("_xmpp-server._tcp." + hostname, new String[]{"SRV"}).get("SRV");
-
-            if (att != null && att.size() > 0) {
-                int i = rand.nextInt(att.size());
-                String srv[] = att.get(i).toString().split(" ");
-                port = NumberUtils.toInt(srv[2], 5269);
-                host = srv[3];
-            }
-            ctx.close();
-        } catch (NamingException e) {
-            logger.debug("SRV record for {} is not resolved, falling back to A record", hostname);
-        }
-        return new InetSocketAddress(host, port);
-    }
-}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/s2s/StanzaListener.java b/juick-server/src/main/java/com/juick/server/xmpp/s2s/StanzaListener.java
deleted file mode 100644
index 6932298f..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/s2s/StanzaListener.java
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2008-2017, Juick
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package com.juick.server.xmpp.s2s;
-
-
-import rocks.xmpp.core.stanza.model.Stanza;
-
-/**
- * Created by vitalyster on 07.12.2016.
- */
-public interface StanzaListener {
-    void stanzaReceived(Stanza xmlValue);
-}
diff --git a/juick-server/src/main/java/com/juick/server/xmpp/s2s/util/DialbackUtils.java b/juick-server/src/main/java/com/juick/server/xmpp/s2s/util/DialbackUtils.java
deleted file mode 100644
index d25dbad8..00000000
--- a/juick-server/src/main/java/com/juick/server/xmpp/s2s/util/DialbackUtils.java
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (C) 2008-2017, Juick
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package com.juick.server.xmpp.s2s.util;
-
-import org.apache.commons.codec.digest.DigestUtils;
-import org.apache.commons.codec.digest.HmacAlgorithms;
-import org.apache.commons.codec.digest.HmacUtils;
-import rocks.xmpp.addr.Jid;
-
-/**
- * Created by vitalyster on 05.12.2016.
- */
-public class DialbackUtils {
-    private DialbackUtils() {
-        throw new IllegalStateException();
-    }
-
-    public static String generateDialbackKey(String secret, Jid to, Jid from, String id) {
-        return new HmacUtils(HmacAlgorithms.HMAC_SHA_256, DigestUtils.sha256(secret))
-                .hmacHex(to.toEscapedString() + " " + from.toEscapedString() + " " + id);
-    }
-}