Merge everything into single Spring Boot application

1 files changed, 693 insertions, 0 deletions

diff --git a/src/main/java/com/juick/server/XMPPConnection.java b/src/main/java/com/juick/server/XMPPConnection.java
new file mode 100644
index 00000000..9c0c09e1
--- /dev/null
+++ b/src/main/java/com/juick/server/XMPPConnection.java
@@ -0,0 +1,693 @@
+/*
+ * 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;
+
+import com.juick.User;
+import com.juick.formatters.PlainTextFormatter;
+import com.juick.service.component.*;
+import com.juick.model.CommandResult;
+import com.juick.model.UserInfo;
+import com.juick.server.xmpp.iq.MessageQuery;
+import com.juick.server.xmpp.s2s.BasicXmppSession;
+import com.juick.server.xmpp.s2s.StanzaListener;
+import com.juick.service.*;
+import com.juick.util.MessageUtils;
+import org.apache.commons.codec.digest.DigestUtils;
+import org.apache.commons.io.FilenameUtils;
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.ApplicationEventPublisher;
+import rocks.xmpp.addr.Jid;
+import rocks.xmpp.core.XmppException;
+import rocks.xmpp.core.session.XmppSession;
+import rocks.xmpp.core.stanza.AbstractIQHandler;
+import rocks.xmpp.core.stanza.model.*;
+import rocks.xmpp.core.stanza.model.client.ClientMessage;
+import rocks.xmpp.core.stanza.model.client.ClientPresence;
+import rocks.xmpp.core.stanza.model.errors.Condition;
+import rocks.xmpp.extensions.caps.EntityCapabilitiesManager;
+import rocks.xmpp.extensions.component.accept.ExternalComponent;
+import rocks.xmpp.extensions.disco.ServiceDiscoveryManager;
+import rocks.xmpp.extensions.disco.model.info.Identity;
+import rocks.xmpp.extensions.filetransfer.FileTransfer;
+import rocks.xmpp.extensions.filetransfer.FileTransferManager;
+import rocks.xmpp.extensions.nick.model.Nickname;
+import rocks.xmpp.extensions.oob.model.x.OobX;
+import rocks.xmpp.extensions.ping.PingManager;
+import rocks.xmpp.extensions.receipts.MessageDeliveryReceiptsManager;
+import rocks.xmpp.extensions.vcard.temp.model.VCard;
+import rocks.xmpp.extensions.version.SoftwareVersionManager;
+import rocks.xmpp.extensions.version.model.SoftwareVersion;
+import rocks.xmpp.util.XmppUtils;
+
+import javax.annotation.Nonnull;
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
+import javax.inject.Inject;
+import javax.xml.bind.JAXBException;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamWriter;
+import java.io.IOException;
+import java.io.StringWriter;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ExecutorService;
+
+/**
+ * @author ugnich
+ */
+public class XMPPConnection implements StanzaListener, NotificationListener {
+
+    private static final Logger logger = LoggerFactory.getLogger("com.juick.server.xmpp");
+
+    private ExternalComponent router;
+    @Inject
+    private XMPPServer xmpp;
+    @Inject
+    private CommandsManager commandsManager;
+    @Value("${xmppbot_jid:juick@localhost}")
+    private Jid jid;
+    @Value("${componentname:localhost}")
+    private String componentName;
+    @Value("${component_port:5347}")
+    private int componentPort;
+    @Value("${xmpp_password:secret}")
+    private String password;
+    @Value("${upload_tmp_dir:#{systemEnvironment['TEMP'] ?: '/tmp'}}")
+    private String tmpDir;
+
+    @Inject
+    private MessagesService messagesService;
+    @Inject
+    private UserService userService;
+    @Inject
+    private SubscriptionService subscriptionService;
+    @Inject
+    private PMQueriesService pmQueriesService;
+    @Inject
+    private BasicXmppSession session;
+    @Inject
+    private ExecutorService service;
+    @Inject
+    private ApplicationEventPublisher applicationEventPublisher;
+    @Value("${service_user:juick}")
+    private String serviceUsername;
+
+    private User serviceUser;
+
+    @PostConstruct
+    public void init() {
+        logger.info("stream router start connecting to {}", componentPort);
+        xmpp.addStanzaListener(this);
+        router = ExternalComponent.create(componentName, password, session.getConfiguration(), "localhost", componentPort);
+        ServiceDiscoveryManager serviceDiscoveryManager = router.getManager(ServiceDiscoveryManager.class);
+        serviceDiscoveryManager.addIdentity(Identity.clientBot().withName("Juick"));
+        EntityCapabilitiesManager entityCapabilitiesManager = router.getManager(EntityCapabilitiesManager.class);
+        entityCapabilitiesManager.setNode("https://juick.com/caps");
+        MessageDeliveryReceiptsManager messageDeliveryReceiptsManager = router.getManager(MessageDeliveryReceiptsManager.class);
+        messageDeliveryReceiptsManager.setEnabled(true);
+        PingManager pingManager = router.getManager(PingManager.class);
+        pingManager.setEnabled(true);
+        SoftwareVersionManager softwareVersionManager = router.getManager(SoftwareVersionManager.class);
+        softwareVersionManager.setSoftwareVersion(new SoftwareVersion("Juick", "2.x",
+                System.getProperty("os.name", "generic")));
+        VCard vCard = new VCard();
+        vCard.setFormattedName("Juick");
+        vCard.setBirthday(LocalDate.of(2008, 10, 22));
+        try {
+            vCard.setUrl(new URL("http://juick.com/"));
+            vCard.setPhoto(new VCard.Image("image/png", IOUtils.toByteArray(
+                    getClass().getClassLoader().getResource("juick.png"))));
+        } catch (MalformedURLException e) {
+            logger.error("invalid url", e);
+        } catch (IOException e) {
+            logger.warn("invalid resource", e);
+        }
+        router.addIQHandler(MessageQuery.class, iq -> {
+            Message warningMessage = new Message(iq.getFrom(), Message.Type.CHAT);
+            warningMessage.setFrom(jid);
+            warningMessage.setBody("Your XMPP client constantly polls us with XMPP query which is unsupported for years, please find http://juick.com/query#messages in your client code and remove that");
+            router.send(warningMessage);
+            return iq.createError(new StanzaError(Condition.BAD_REQUEST, "Please stop this spam"));
+        });
+        router.addIQHandler(VCard.class, new AbstractIQHandler(IQ.Type.GET) {
+            @Override
+            protected IQ processRequest(IQ iq) {
+                if (iq.getTo().equals(jid) || iq.getTo().asBareJid().equals(jid.asBareJid())
+                        || iq.getTo().asBareJid().toEscapedString().equals(jid.getDomain())) {
+                    return iq.createResult(vCard);
+                }
+                User user = userService.getUserByName(iq.getTo().getLocal());
+                if (!user.isAnonymous()) {
+                    UserInfo info = userService.getUserInfo(user);
+                    VCard userVCard = new VCard();
+                    userVCard.setFormattedName(info.getFullName());
+                    userVCard.setNickname(user.getName());
+                    try {
+                        userVCard.setPhoto(new VCard.Image(new URI("http://i.juick.com/a/" + user.getUid() + ".png")));
+                        if (info.getUrl() != null) {
+                            userVCard.setUrl(new URL(info.getUrl()));
+                        }
+                    } catch (MalformedURLException | URISyntaxException e) {
+                        logger.warn("url exception", e);
+                    }
+                    return iq.createResult(userVCard);
+                }
+                return iq.createError(Condition.BAD_REQUEST);
+            }
+        });
+        router.addInboundMessageListener(e -> {
+            ClientMessage result = incomingMessage(e.getMessage());
+            if (result != null) {
+                router.send(result);
+            }
+        });
+        router.addInboundIQListener(e -> {
+            IQ iq = e.getIQ();
+            Jid jid = iq.getTo();
+            if (!jid.getDomain().equals(this.jid.getDomain())) {
+                router.send(iq);
+            }
+        });
+        FileTransferManager fileTransferManager = router.getManager(FileTransferManager.class);
+        fileTransferManager.addFileTransferOfferListener(e -> {
+            try {
+                List<String> allowedTypes = new ArrayList<String>() {{
+                    add("png");
+                    add("jpg");
+                }};
+                String attachmentExtension = FilenameUtils.getExtension(e.getName()).toLowerCase();
+                String targetFilename = String.format("%s.%s",
+                        DigestUtils.md5Hex(String.format("%s-%s",
+                                e.getInitiator().toString(), e.getSessionId()).getBytes()), attachmentExtension);
+                if (allowedTypes.contains(attachmentExtension)) {
+                    Path filePath = Paths.get(tmpDir, targetFilename);
+                    FileTransfer ft = e.accept(filePath).get();
+                    ft.addFileTransferStatusListener(st -> {
+                        logger.debug("{}: received {} of {}", e.getName(), st.getBytesTransferred(), e.getSize());
+                        if (st.getStatus().equals(FileTransfer.Status.COMPLETED)) {
+                            logger.info("transfer completed");
+                            try {
+                                Jid initiator = e.getInitiator();
+                                ClientMessage result = incomingMessageJuick(
+                                        userService.getUserByJID(initiator.asBareJid().toEscapedString()), initiator,
+                                        e.getDescription(), URI.create(String.format("juick://%s", targetFilename)));
+                                if (result != null) {
+                                    router.send(result);
+                                }
+                            } catch (Exception e1) {
+                                logger.error("ft error", e1);
+                            }
+
+                        } else if (st.getStatus().equals(FileTransfer.Status.FAILED)) {
+                            logger.info("transfer failed", ft.getException());
+                            Message msg = new Message();
+                            msg.setType(Message.Type.CHAT);
+                            msg.setFrom(jid);
+                            msg.setTo(e.getInitiator());
+                            msg.setBody("File transfer failed, please report to us");
+                            router.sendMessage(msg);
+                        } else if (st.getStatus().equals(FileTransfer.Status.CANCELED)) {
+                            logger.info("transfer cancelled");
+                        }
+                    });
+                    ft.transfer();
+                    logger.info("transfer started");
+                } else {
+                    e.reject();
+                    logger.info("transfer rejected");
+                }
+            } catch (IOException | InterruptedException | ExecutionException e1) {
+                logger.error("ft error", e1);
+            }
+        });
+        router.addConnectionListener(event -> {
+            if (event.getType().equals(rocks.xmpp.core.session.ConnectionEvent.Type.RECONNECTION_SUCCEEDED)) {
+                logger.info("component connected");
+            }
+        });
+        router.addSessionStatusListener(event -> {
+            logger.info("event: " + event.getStatus(), event.getThrowable());
+            if (event.getStatus().equals(XmppSession.Status.AUTHENTICATED)) {
+                logger.info("Authenticated, broadcasting...");
+                broadcastPresence(null);
+            }
+        });
+        router.addInboundPresenceListener(event -> {
+            incomingPresence(event.getPresence());
+        });
+        service.submit(() -> {
+            try {
+                router.connect();
+            } catch (XmppException e) {
+                logger.warn("xmpp exception", e);
+            }
+        });
+        serviceUser = userService.getUserByName(serviceUsername);
+    }
+
+    private String stanzaToString(Stanza stanza) throws XMLStreamException, JAXBException {
+        StringWriter stanzaWriter = new StringWriter();
+        XMLStreamWriter xmppStreamWriter = XmppUtils.createXmppStreamWriter(
+                router.getConfiguration().getXmlOutputFactory().createXMLStreamWriter(stanzaWriter));
+        router.createMarshaller().marshal(stanza, xmppStreamWriter);
+        xmppStreamWriter.flush();
+        xmppStreamWriter.close();
+        return stanzaWriter.toString();
+    }
+
+    private void sendJuickMessage(com.juick.Message jmsg, List<User> users) {
+        List<String> jids = new ArrayList<>();
+
+        for (User user : users) {
+            jids.addAll(userService.getJIDsbyUID(user.getUid()));
+        }
+        com.juick.Message fullMsg = messagesService.getMessage(jmsg.getMid());
+        String txt = "@" + jmsg.getUser().getName() + ":" + MessageUtils.getTagsString(fullMsg) + "\n";
+        String attachmentUrl = MessageUtils.attachmentUrl(fullMsg);
+        if (StringUtils.isNotEmpty(attachmentUrl)) {
+            txt += attachmentUrl + "\n";
+        }
+        txt += StringUtils.defaultString(jmsg.getText()) + "\n\n";
+        txt += "#" + jmsg.getMid() + " http://juick.com/m/" + jmsg.getMid();
+
+        Nickname nick = new Nickname("@" + jmsg.getUser().getName());
+
+        Message msg = new Message();
+        msg.setFrom(jid);
+        msg.setBody(txt);
+        msg.setType(Message.Type.CHAT);
+        msg.setThread("juick-" + jmsg.getMid());
+        msg.addExtension(jmsg);
+        msg.addExtension(nick);
+        if (StringUtils.isNotEmpty(attachmentUrl)) {
+            try {
+                OobX oob = new OobX(new URI(attachmentUrl));
+                msg.addExtension(oob);
+            } catch (URISyntaxException e) {
+                logger.warn("uri exception", e);
+            }
+        }
+        for (String jid : jids) {
+            msg.setTo(Jid.of(jid));
+            router.send(ClientMessage.from(msg));
+        }
+    }
+
+    public void sendJuickComment(com.juick.Message jmsg, List<User> users) {
+        String replyQuote;
+        String replyTo;
+
+        com.juick.Message replyMessage = jmsg.getReplyto() > 0 ? messagesService.getReply(jmsg.getMid(), jmsg.getReplyto())
+                : messagesService.getMessage(jmsg.getMid());
+        replyTo = replyMessage.getUser().getName();
+        com.juick.Message fullReply = messagesService.getReply(jmsg.getMid(), jmsg.getRid());
+        replyQuote = StringUtils.defaultString(fullReply.getReplyQuote());
+
+        String txt = "Reply by @" + jmsg.getUser().getName() + ":\n" + replyQuote + "\n@" + replyTo + " ";
+        String attachmentUrl = MessageUtils.attachmentUrl(fullReply);
+        if (StringUtils.isNotEmpty(attachmentUrl)) {
+            txt += attachmentUrl + "\n";
+        }
+        txt += StringUtils.defaultString(jmsg.getText()) + "\n\n" + "#" + jmsg.getMid() + "/" + jmsg.getRid() + " http://juick.com/m/" + jmsg.getMid() + "#" + jmsg.getRid();
+
+        Message msg = new Message();
+        msg.setFrom(jid);
+        msg.setBody(txt);
+        msg.setType(Message.Type.CHAT);
+        msg.addExtension(jmsg);
+        for (User user : users) {
+            for (String jid : userService.getJIDsbyUID(user.getUid())) {
+                msg.setTo(Jid.of(jid));
+                router.send(ClientMessage.from(msg));
+            }
+        }
+    }
+
+    @Override
+    public void processMessageEvent(MessageEvent event) {
+        com.juick.Message msg = event.getMessage();
+        List<User> subscribers = event.getUsers();
+        if (msg.isService()) {
+            return;
+        }
+        if (MessageUtils.isPM(msg)) {
+            userService.getJIDsbyUID(msg.getTo().getUid())
+                    .forEach(userJid -> {
+                        Message mm = new Message();
+                        mm.setTo(Jid.of(userJid));
+                        mm.setType(Message.Type.CHAT);
+                        boolean inroster = pmQueriesService.havePMinRoster(msg.getUser().getUid(), userJid);
+                        if (inroster) {
+                            mm.setFrom(Jid.of(msg.getUser().getName(), "juick.com", "Juick"));
+                            mm.setBody(msg.getText());
+                        } else {
+                            mm.setFrom(jid);
+                            mm.setBody("Private message from @" + msg.getUser().getName() + ":\n" + msg.getText());
+                        }
+                        router.send(ClientMessage.from(mm));
+                    });
+        } else if (MessageUtils.isReply(msg)) {
+            sendJuickComment(msg, subscribers);
+        }
+        else {
+            sendJuickMessage(msg, subscribers);
+        }
+    }
+
+    private ClientMessage makeReply(Jid jidTo, String txt) {
+        Message reply = new Message();
+        reply.setFrom(jid);
+        reply.setTo(jidTo);
+        reply.setType(Message.Type.CHAT);
+        reply.setBody(txt);
+        return ClientMessage.from(reply);
+    }
+
+    @Override
+    public void processSubscribeEvent(SubscribeEvent subscribeEvent) {
+
+    }
+
+    @Override
+    public void processLikeEvent(LikeEvent likeEvent) {
+        List<User> users = likeEvent.getSubscribers();
+        com.juick.Message jmsg = likeEvent.getMessage();
+        User liker = likeEvent.getUser();
+
+        if (!userService.isInBLAny(jmsg.getUser().getUid(), liker.getUid())) {
+            userService.getJIDsbyUID(jmsg.getUser().getUid()).forEach(authorJid -> {
+                Message xmppMessage = new Message();
+                xmppMessage.setFrom(jid);
+                xmppMessage.setTo(Jid.of(authorJid));
+                xmppMessage.setType(Message.Type.CHAT);
+                xmppMessage.addExtension(jmsg);
+                xmppMessage.setBody(String.format("%s recommended your post #%d. %s",
+                        liker.getName(), jmsg.getMid(), PlainTextFormatter.formatUrl(jmsg)));
+                router.send(ClientMessage.from(xmppMessage));
+            });
+        }
+
+        String txt = "Recommended by @" + liker.getName() + ":\n";
+        txt += "@" + jmsg.getUser().getName() + ":" + MessageUtils.getTagsString(jmsg) + "\n";
+        String attachmentUrl = MessageUtils.attachmentUrl(jmsg);
+        if (StringUtils.isNotEmpty(attachmentUrl)) {
+            txt += attachmentUrl + "\n";
+        }
+        txt += StringUtils.defaultString(jmsg.getText()) + "\n\n";
+        txt += "#" + jmsg.getMid();
+        if (jmsg.getReplies() > 0) {
+            if (jmsg.getReplies() % 10 == 1 && jmsg.getReplies() % 100 != 11) {
+                txt += " (" + jmsg.getReplies() + " reply)";
+            } else {
+                txt += " (" + jmsg.getReplies() + " replies)";
+            }
+        }
+        txt += " http://juick.com/m/" + jmsg.getMid();
+
+        Nickname nick = new Nickname("@" + jmsg.getUser().getName());
+
+        Message msg = new Message();
+        msg.setFrom(jid);
+        msg.setBody(txt);
+        msg.setType(Message.Type.CHAT);
+        msg.setThread("juick-" + jmsg.getMid());
+        msg.addExtension(jmsg);
+        msg.addExtension(nick);
+        if (StringUtils.isNotEmpty(attachmentUrl)) {
+            try {
+                OobX oob = new OobX(new URI(attachmentUrl));
+                msg.addExtension(oob);
+            } catch (URISyntaxException e) {
+                logger.warn("uri exception", e);
+            }
+        }
+
+        for (User user : users) {
+            for (String jid : userService.getJIDsbyUID(user.getUid())) {
+                msg.setTo(Jid.of(jid));
+                router.send(ClientMessage.from(msg));
+            }
+        }
+    }
+
+    @Override
+    public void processPingEvent(PingEvent pingEvent) {
+        userService.getJIDsbyUID(pingEvent.getPinger().getUid())
+                .forEach(userJid -> {
+                    Presence p = new Presence(Jid.of(userJid));
+                    p.setFrom(jid);
+                    p.setPriority((byte) 10);
+                    router.send(ClientPresence.from(p));
+                });
+    }
+
+    @Override
+    public void processMessageReadEvent(MessageReadEvent messageReadEvent) {
+
+    }
+
+    @Override
+    public void processTopEvent(TopEvent topEvent) {
+        com.juick.Message message = topEvent.getMessage();
+        try {
+            commandsManager.processCommand(serviceUser, String.format("! #%d", message.getMid()), URI.create(StringUtils.EMPTY));
+        } catch (Exception e) {
+            logger.warn("XMPP error", e);
+        }
+    }
+
+    private void incomingPresence(Presence p) {
+        final String username = p.getTo().getLocal();
+        final boolean toJuick = username.equals(jid.getLocal());
+
+        if (p.getType() == null) {
+            Presence reply = new Presence();
+            reply.setFrom(p.getTo().asBareJid());
+            reply.setTo(p.getFrom().asBareJid());
+            reply.setType(Presence.Type.UNSUBSCRIBE);
+            router.send(ClientPresence.from(reply));
+        } else if (p.getType().equals(Presence.Type.PROBE)) {
+            int uid_to = 0;
+            if (!toJuick) {
+                uid_to = userService.getUIDbyName(username);
+            } else {
+                User visitor = userService.getUserByJID(p.getFrom().asBareJid().toEscapedString());
+                if (visitor != null) {
+                    userService.updateLastSeen(visitor);
+                }
+            }
+
+            if (toJuick || uid_to > 0) {
+                Presence reply = new Presence();
+                reply.setFrom(p.getTo().withResource(jid.getResource()));
+                reply.setTo(p.getFrom());
+                reply.setPriority((byte)10);
+                if (!userService.getActiveJIDs().contains(p.getFrom().asBareJid().toEscapedString())) {
+                    reply.setStatus("Send ON to enable notifications");
+                }
+                router.send(ClientPresence.from(reply));
+            } else {
+                Presence reply = new Presence();
+                reply.setFrom(p.getTo());
+                reply.setTo(p.getFrom());
+                reply.setType(Presence.Type.ERROR);
+                reply.setId(p.getId());
+                reply.setError(new StanzaError(StanzaError.Type.CANCEL, Condition.ITEM_NOT_FOUND));
+                router.send(ClientPresence.from(reply));
+            }
+        } else if (p.getType().equals(Presence.Type.SUBSCRIBE)) {
+            boolean canSubscribe = false;
+            if (toJuick) {
+                canSubscribe = true;
+            } else {
+                int uid_to = userService.getUIDbyName(username);
+                if (uid_to > 0) {
+                    pmQueriesService.addPMinRoster(uid_to, p.getFrom().asBareJid().toEscapedString());
+                    canSubscribe = true;
+                }
+            }
+            if (canSubscribe) {
+                Presence reply = new Presence();
+                reply.setFrom(p.getTo());
+                reply.setTo(p.getFrom());
+                reply.setType(Presence.Type.SUBSCRIBED);
+                router.send(ClientPresence.from(reply));
+
+                reply.setFrom(reply.getFrom().withResource(jid.getResource()));
+                reply.setPriority((byte) 10);
+                reply.setType(null);
+                router.send(ClientPresence.from(reply));
+            } else {
+                Presence reply = new Presence();
+                reply.setFrom(p.getTo());
+                reply.setTo(p.getFrom());
+                reply.setType(Presence.Type.ERROR);
+                reply.setId(p.getId());
+                reply.setError(new StanzaError(StanzaError.Type.CANCEL, Condition.ITEM_NOT_FOUND));
+                router.send(ClientPresence.from(reply));
+            }
+        } else if (p.getType().equals(Presence.Type.UNSUBSCRIBE)) {
+            if (!toJuick) {
+                int uid_to = userService.getUIDbyName(username);
+                if (uid_to > 0) {
+                    pmQueriesService.removePMinRoster(uid_to, p.getFrom().asBareJid().toEscapedString());
+                }
+            }
+
+            Presence reply = new Presence();
+            reply.setFrom(p.getTo());
+            reply.setTo(p.getFrom());
+            reply.setType(Presence.Type.UNSUBSCRIBED);
+            router.send(ClientPresence.from(reply));
+        }
+    }
+
+    public ClientMessage incomingMessage(Message msg) {
+        ClientMessage result = null;
+        if (msg.getType() != null && msg.getType().equals(Message.Type.ERROR)) {
+            StanzaError error = msg.getError();
+            if (error != null && error.getCondition().equals(Condition.RESOURCE_CONSTRAINT)) {
+                // offline query is full, deactivating this jid
+                if (userService.setActiveStatusForJID(msg.getFrom().toEscapedString(), UserService.ActiveStatus.Inactive)) {
+                    logger.info("{} is inactive now", msg.getFrom());
+                    return null;
+                }
+            }
+            return null;
+        }
+        Jid to = msg.getTo();
+        if (to.getDomain().equals(router.getDomain().toEscapedString()) || to.equals(this.jid)) {
+            User user_from = userService.getUserByJID(msg.getFrom().asBareJid().toEscapedString());
+            if ((user_from == null || user_from.isAnonymous()) && !msg.getFrom().equals(jid)) {
+                String signuphash = userService.getSignUpHashByJID(msg.getFrom().asBareJid().toEscapedString());
+                return makeReply(msg.getFrom(), "Для того, чтобы начать пользоваться сервисом, пожалуйста пройдите быструю регистрацию: http://juick.com/signup?type=xmpp&hash=" + signuphash + "\nЕсли у вас уже есть учетная запись на Juick, вы сможете присоединить этот JabberID к ней.\n\nTo start using Juick, please sign up: http://juick.com/signup?type=xmpp&hash=" + signuphash + "\nIf you already have an account on Juick, you will be proposed to attach this JabberID to your existing account.");
+            }
+
+            com.juick.Message jmsg = msg.getExtension(com.juick.Message.class);
+            if (jmsg != null) {
+                if (MessageUtils.isReply(jmsg)) {
+                    // to get quote and attachment
+                    com.juick.Message original = messagesService.getMessage(jmsg.getMid());
+                    com.juick.Message reply = messagesService.getReply(jmsg.getMid(), jmsg.getRid());
+                    applicationEventPublisher.publishEvent(new MessageEvent(this, reply,
+                            subscriptionService.getUsersSubscribedToComments(original, reply)));
+                } else if (!MessageUtils.isPM(jmsg)) {
+                    applicationEventPublisher.publishEvent(new MessageEvent(this,
+                            messagesService.getMessage(jmsg.getMid()), subscriptionService.getSubscribedUsers(jmsg.getUser().getUid(), jmsg)));
+                }
+            } else {
+                URI attachment = URI.create(StringUtils.EMPTY);
+                OobX oobX = msg.getExtension(OobX.class);
+                if (oobX != null) {
+                    attachment = oobX.getUri();
+                }
+                try {
+                    if (msg.getTo().asBareJid().equals(jid.asBareJid())) {
+                        return incomingMessageJuick(user_from, msg.getFrom(), StringUtils.defaultString(msg.getBody()), attachment);
+                    } else {
+                        // PM
+                        result = incomingMessageJuick(user_from, msg.getFrom(),
+                                String.format("@%s %s", msg.getTo().getLocal(), StringUtils.defaultString(msg.getBody())), attachment);
+                    }
+                } catch (Exception e1) {
+                    logger.warn("message exception", e1);
+                }
+            }
+        } else if (to.getDomain().endsWith(jid.getDomain()) && (to.getDomain().equals(jid.getDomain())
+                || to.getDomain().endsWith("." + jid.getDomain()))) {
+            if (logger.isInfoEnabled()) {
+                try {
+                    logger.info("unhandled message: {}", stanzaToString(msg));
+                } catch (JAXBException | XMLStreamException ex) {
+                    logger.error("JAXB exception", ex);
+                }
+            }
+        } else {
+            return ClientMessage.from(msg);
+        }
+        return result;
+    }
+    private ClientMessage incomingMessageJuick(User user_from, Jid from, String command, @Nonnull URI attachment) {
+        if (StringUtils.isBlank(command) && attachment.toString().isEmpty()) {
+            return null;
+        }
+
+        int commandlen = command.length();
+
+        // COMPATIBILITY
+        if (commandlen > 7 && command.substring(0, 3).equalsIgnoreCase("PM ")) {
+            command = command.substring(3);
+        }
+
+        try {
+            CommandResult result = commandsManager.processCommand(user_from, command.trim(), attachment);
+            if (StringUtils.isNotBlank(result.getText())) {
+                return makeReply(from, result.getText());
+            }
+        } catch (Exception e) {
+            logger.warn("xmpp command exception", e);
+            return makeReply(from, "Error processing command");
+        }
+        return null;
+    }
+
+    @Override
+    public void stanzaReceived(Stanza xmlValue) {
+        router.send(xmlValue);
+    }
+
+    private void broadcastPresence(Presence.Type type) {
+        Presence presence = new Presence();
+        presence.setFrom(jid);
+        if (type != null) {
+            presence.setType(type);
+        }
+        userService.getActiveJIDs().forEach(j -> {
+            try {
+                presence.setTo(Jid.of(j));
+                router.send(ClientPresence.from(presence));
+            } catch (IllegalArgumentException ex) {
+                logger.warn("Invalid jid: {}", j, ex);
+            }
+        });
+    }
+
+    @PreDestroy
+    public void close() throws Exception {
+        broadcastPresence(Presence.Type.UNAVAILABLE);
+        if (router != null) {
+            router.close();
+        }
+    }
+
+    public ExternalComponent getRouter() {
+        return router;
+    }
+}