juick-xmpp-wip: router component

1 files changed, 546 insertions, 0 deletions

diff --git a/juick-xmpp/src/main/java/com/juick/components/JuickBot.java b/juick-xmpp/src/main/java/com/juick/components/JuickBot.java
new file mode 100644
index 00000000..4f838344
--- /dev/null
+++ b/juick-xmpp/src/main/java/com/juick/components/JuickBot.java
@@ -0,0 +1,546 @@
+/*
+ * 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.components;
+
+import com.juick.User;
+import com.juick.components.s2s.StanzaListener;
+import com.juick.formatters.PlainTextFormatter;
+import com.juick.service.*;
+import org.apache.commons.lang3.StringUtils;
+import org.ocpsoft.prettytime.PrettyTime;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+import rocks.xmpp.addr.Jid;
+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 javax.annotation.PostConstruct;
+import javax.inject.Inject;
+import java.util.Collections;
+import java.util.List;
+import java.util.Locale;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+
+/**
+ *
+ * @author ugnich
+ */
+@Component
+public class JuickBot implements StanzaListener, AutoCloseable {
+
+    private static final Logger logger = LoggerFactory.getLogger(JuickBot.class);
+
+    @Inject
+    private XMPPServer xmpp;
+    @Inject
+    private XMPPConnection router;
+    @Value("${xmppbot_jid}")
+    private String xmppbotJidStr;
+
+    private Jid jid;
+
+    private PrettyTime pt;
+
+    @Inject
+    public MessagesService messagesService;
+    @Inject
+    public UserService userService;
+    @Inject
+    public TagService tagService;
+    @Inject
+    public PMQueriesService pmQueriesService;
+    @Inject
+    public ShowQueriesService showQueriesService;
+
+    @PostConstruct
+    public void init() {
+        xmpp.addStanzaListener(this);
+        jid = Jid.of(xmppbotJidStr);
+        broadcastPresence(null);
+        pt = new PrettyTime(new Locale("ru"));
+    }
+
+    public Jid getJid() {
+        return jid;
+    }
+
+    private static final String HELPTEXT =
+            "@username text - Send private message\n"
+            + "*tagname Blah-blah-blah - Post a message with tag 'tagname'\n"
+            + "#1234 Blah-blah-blah - Answer to message #1234\n"
+            + "#1234/5 Blah - Answer to reply #1234/5\n"
+            + "! #1234 - Recommend post\n"
+            + "\n"
+            + "# - Show last messages from your feed (## - second page, ...)\n"
+            + "@ - Show recomendations and popular personal blogs\n"
+            + "* - Show your tags\n"
+            + "#1234 - Show message\n"
+            + "#1234+ - Show message with replies\n"
+            + "@username - Show user's info\n"
+            + "@username+ - Show user's info and last 10 messages\n"
+            + "@username *tag - User's messages with this tag\n"
+            + "*tag - Show last 10 messages with this tag\n"
+            + "? blah - Search posts for 'blah'\n"
+            + "? @username blah - Searching among user\'s posts for 'blah'\n"
+            + "D #123 - Delete message\n"
+            + "D #123/45 - Delete reply\n"
+            + "DL - Delete last message/reply\n"
+            + "S - Show your subscriptions\n"
+            + "S #123 - Subscribe to message replies\n"
+            + "S @username - Subscribe to user's blog\n"
+            + "U #123 - Unsubscribe from comments\n"
+            + "U @username - Unsubscribe from user's blog\n"
+            + "BL - Show your blacklist\n"
+            + "BL @username - Add/delete user to/from your blacklist\n"
+            + "BL *tag - Add/delete tag to/from your blacklist\n"
+            + "ON / OFF - Enable/disable subscriptions delivery\n"
+            + "PING - Pong\n"
+            + "\n"
+            + "Read more: http://juick.com/help/";
+
+    public boolean 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);
+            xmpp.sendOut(ClientPresence.from(reply));
+            return true;
+        } else if (p.getType().equals(Presence.Type.PROBE)) {
+            int uid_to = 0;
+            if (!toJuick) {
+                uid_to = userService.getUIDbyName(username);
+            }
+
+            if (toJuick || uid_to > 0) {
+                Presence reply = new Presence();
+                reply.setFrom(p.getTo().withResource(jid.getResource()));
+                reply.setTo(p.getFrom());
+                reply.setPriority((byte)10);
+                xmpp.sendOut(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));
+                xmpp.sendOut(ClientPresence.from(reply));
+                return true;
+            }
+            return true;
+        } 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);
+                xmpp.sendOut(ClientPresence.from(reply));
+
+                reply.setFrom(reply.getFrom().withResource(jid.getResource()));
+                reply.setPriority((byte) 10);
+                reply.setType(null);
+                xmpp.sendOut(ClientPresence.from(reply));
+
+                return true;
+            } 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));
+                xmpp.sendOut(ClientPresence.from(reply));
+                return true;
+            }
+        } 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);
+            xmpp.sendOut(ClientPresence.from(reply));
+        }
+
+        return false;
+    }
+
+    public boolean incomingMessage(Message msg) {
+        if (StringUtils.isBlank(msg.getBody()) || (msg.getType() != null && msg.getType().equals(Message.Type.ERROR))) {
+            return false;
+        }
+
+        String username = msg.getTo().getLocal();
+
+        User user_from;
+        String signuphash = StringUtils.EMPTY;
+        user_from = userService.getUserByJID(msg.getFrom().asBareJid().toEscapedString());
+        if (user_from == null) {
+            signuphash = userService.getSignUpHashByJID(msg.getFrom().asBareJid().toEscapedString());
+        }
+
+        if (user_from == null) {
+            Message reply = new Message();
+            reply.setFrom(msg.getTo());
+            reply.setTo(msg.getFrom());
+            reply.setType(Message.Type.CHAT);
+            if (username.equals(jid.getLocal())) {
+                reply.setBody("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.");
+            } else {
+                reply.setBody("Внимание, системное сообщение!\nВаш JabberID не обнаружен в списке доверенных. Для того, чтобы отправить сообщение пользователю " + username + "@juick.com, пожалуйста зарегистрируйте свой JabberID в системе: 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\nWarning, system message!\nYour JabberID is not found in our server's white list. To send a message to " + username + "@juick.com, 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.");
+            }
+            xmpp.sendOut(ClientMessage.from(reply));
+            return true;
+        }
+
+        if (username.equals(jid.getLocal())) {
+            return incomingMessageJuick(user_from, msg);
+        }
+
+        int uid_to = userService.getUIDbyName(username);
+
+        if (uid_to == 0) {
+            Message reply = new Message();
+            reply.setFrom(msg.getTo());
+            reply.setTo(msg.getFrom());
+            reply.setType(Message.Type.ERROR);
+            reply.setId(msg.getId());
+            reply.setError(new StanzaError(StanzaError.Type.CANCEL, Condition.ITEM_NOT_FOUND));
+            xmpp.sendOut(ClientMessage.from(reply));
+            return true;
+        }
+
+        boolean success = false;
+        if (!userService.isInBLAny(uid_to, user_from.getUid())) {
+            success = pmQueriesService.createPM(user_from.getUid(), uid_to, msg.getBody());
+        }
+
+        if (success) {
+            Message m = new Message();
+            m.setFrom(jid.asBareJid());
+            m.setTo(Jid.of(Integer.toString(uid_to), "push.juick.com", null));
+            com.juick.Message jmsg = new com.juick.Message();
+            jmsg.setUser(user_from);
+            jmsg.setText(msg.getBody());
+            m.addExtension(jmsg);
+            router.sendStanza(m);
+
+            m.setTo(Jid.of(Integer.toString(uid_to), "ws.juick.com", null));
+            router.sendStanza(m);
+
+            List<String> jids;
+            boolean inroster = false;
+            jids = userService.getJIDsbyUID(uid_to);
+            for (String userJid : jids) {
+                Message mm = new Message();
+                mm.setTo(Jid.of(userJid));
+                mm.setType(Message.Type.CHAT);
+                inroster = pmQueriesService.havePMinRoster(user_from.getUid(), userJid);
+                if (inroster) {
+                    mm.setFrom(Jid.of(jmsg.getUser().getName(), "juick.com", "Juick"));
+                    mm.setBody(msg.getBody());
+                } else {
+                    mm.setFrom(jid);
+                    mm.setBody("Private message from @" + jmsg.getUser().getName() + ":\n" + msg.getBody());
+                }
+                xmpp.sendOut(ClientMessage.from(mm));
+            }
+        } else {
+            Message reply = new Message();
+            reply.setFrom(msg.getTo());
+            reply.setTo(msg.getFrom());
+            reply.setType(Message.Type.ERROR);
+            reply.setId(msg.getId());
+            reply.setError(new StanzaError(StanzaError.Type.CANCEL, Condition.NOT_ALLOWED));
+            xmpp.sendOut(ClientMessage.from(reply));
+        }
+
+        return false;
+    }
+    private static Pattern regexPM = Pattern.compile("^\\@(\\S+)\\s+([\\s\\S]+)$");
+
+    public boolean incomingMessageJuick(User user_from, Message msg) {
+        String command = msg.getBody().trim();
+        int commandlen = command.length();
+
+        // COMPATIBILITY
+        if (commandlen > 7 && command.substring(0, 3).equalsIgnoreCase("PM ")) {
+            command = command.substring(3).trim();
+            commandlen = command.length();
+        }
+
+        if (commandlen == 4) {
+            if (command.equalsIgnoreCase("PING")) {
+                commandPing(msg);
+                return true;
+            } else if (command.equalsIgnoreCase("HELP")) {
+                commandHelp(msg);
+                return true;
+            }
+        } else if (commandlen == 5 && command.equalsIgnoreCase("LOGIN")) {
+            commandLogin(msg, user_from);
+            return true;
+        } else if (command.charAt(0) == '@') {
+            Matcher matchPM = regexPM.matcher(command);
+            if (matchPM.find()) {
+                String user_to = matchPM.group(1);
+                String msgtxt = matchPM.group(2);
+                commandPM(msg, user_from, user_to, msgtxt);
+                return true;
+            }
+        } else if (commandlen == 2 && command.equalsIgnoreCase("BL")) {
+            commandBLShow(msg, user_from);
+            return true;
+        } else if (commandlen == 2 && command.equalsIgnoreCase("#+")) {
+            return commandLast(msg.getFrom());
+        } else if (command.equalsIgnoreCase("@")) {
+            return commandUsers(msg.getFrom());
+        }
+
+        return false;
+    }
+
+    private void commandPing(Message m) {
+        Presence p = new Presence(m.getFrom());
+        p.setFrom(jid);
+        p.setPriority((byte) 10);
+        xmpp.sendOut(ClientPresence.from(p));
+
+        sendReply(m.getFrom(), "PONG");
+    }
+
+    private void commandHelp(Message m) {
+        sendReply(m.getFrom(), HELPTEXT);
+    }
+
+    private void commandLogin(Message m, User user_from) {
+        sendReply(m.getFrom(), "http://juick.com/login?hash=" + userService.getHashByUID(user_from.getUid()));
+    }
+
+    private void commandPM(Message m, User user_from, String user_to, String body) {
+        int ret = 0;
+
+        int uid_to = 0;
+        List<String> jids_to = null;
+        boolean haveInRoster = false;
+
+        if (user_to.indexOf('@') > 0) {
+            uid_to = userService.getUIDbyJID(user_to);
+        } else {
+            uid_to = userService.getUIDbyName(user_to);
+        }
+
+        if (uid_to > 0) {
+            if (!userService.isInBLAny(uid_to, user_from.getUid())) {
+                if (pmQueriesService.createPM(user_from.getUid(), uid_to, body)) {
+                    jids_to = userService.getJIDsbyUID(uid_to);
+                    ret = 200;
+                } else {
+                    ret = 500;
+                }
+            } else {
+                ret = 403;
+            }
+        } else {
+            ret = 404;
+        }
+
+        if (ret == 200) {
+            Message msg = new Message();
+            msg.setFrom(jid.asBareJid());
+            msg.setTo(Jid.of(Integer.toString(uid_to), "push.juick.com", null));
+            com.juick.Message jmsg = new com.juick.Message();
+            jmsg.setUser(user_from);
+            jmsg.setText(body);
+            msg.addExtension(jmsg);
+            router.sendStanza(msg);
+
+            msg.setTo(Jid.of(Integer.toString(uid_to), "ws.juick.com", null));
+            router.sendStanza(msg);
+
+            for (String userJid : jids_to) {
+                Message mm = new Message();
+                mm.setTo(Jid.of(userJid));
+                mm.setType(Message.Type.CHAT);
+                haveInRoster = pmQueriesService.havePMinRoster(user_from.getUid(), userJid);
+                if (haveInRoster) {
+                    mm.setFrom(Jid.of(user_from.getName(), "juick.com", "Juick"));
+                    mm.setBody(body);
+                } else {
+                    mm.setFrom(jid);
+                    mm.setBody("Private message from @" + user_from.getName() + ":\n" + body);
+                }
+                xmpp.sendOut(ClientMessage.from(mm));
+            }
+        }
+
+        Message reply = new Message();
+        reply.setFrom(m.getTo());
+        reply.setTo(m.getFrom());
+        if (ret == 200) {
+            reply.setType(m.getType());
+            reply.setBody("Private message sent");
+        } else {
+            reply.setType(Message.Type.ERROR);
+            reply.setBody("Error " + ret);
+        }
+        xmpp.sendOut(ClientMessage.from(reply));
+    }
+
+    private void commandBLShow(Message m, User user_from) {
+        List<User> blusers = userService.getUserBLUsers(user_from.getUid());
+        List<String> bltags = tagService.getUserBLTags(user_from.getUid());
+
+        String txt = StringUtils.EMPTY;
+        if (bltags.size() > 0) {
+            for (String bltag : bltags) {
+                txt += "*" + bltag + "\n";
+            }
+
+            if (blusers.size() > 0) {
+                txt += "\n";
+            }
+        }
+        if (blusers.size() > 0) {
+            for (User bluser : blusers) {
+                txt += "@" + bluser.getName() + "\n";
+            }
+        }
+        if (txt.isEmpty()) {
+            txt = "You don't have any users or tags in your blacklist.";
+        }
+
+        sendReply(m.getFrom(), txt);
+    }
+
+    boolean commandLast(Jid jidFrom) {
+        User user = userService.getUserByJID(jidFrom.asBareJid().toEscapedString());
+        sendReply(jidFrom, "Last messages:\n"
+                + printMessages(messagesService.getAll(user.getUid(), 0), true));
+        return true;
+    }
+
+    boolean commandUsers(Jid jidFrom) {
+        StringBuilder msg = new StringBuilder();
+        msg.append("Recommended blogs");
+        User currentUser = userService.getUserByJID(jidFrom.asBareJid().toEscapedString());
+        List<String> recommendedUsers = showQueriesService.getRecommendedUsers(currentUser);
+        if (recommendedUsers.size() > 0) {
+            for (String user : recommendedUsers) {
+                msg.append("\n@").append(user);
+            }
+        } else {
+            msg.append("\nNo recommendations now. Subscribe to more blogs. ;)");
+        }
+        msg.append("\n\nTop 10 personal blogs:");
+        List<String> topUsers = showQueriesService.getTopUsers();
+        if (topUsers.size() > 0) {
+            for (String user : topUsers) {
+                msg.append("\n@").append(user);
+            }
+        } else {
+            msg.append("\nNo top users. Empty DB? ;)");
+        }
+        sendReply(jidFrom, msg.toString());
+        return true;
+    }
+
+    void sendReply(Jid jidTo, String txt) {
+        Message reply = new Message();
+        reply.setFrom(jid);
+        reply.setTo(jidTo);
+        reply.setType(Message.Type.CHAT);
+        reply.setBody(txt);
+        xmpp.sendOut(ClientMessage.from(reply));
+    }
+
+    void sendNotification(Stanza stanza) {
+        xmpp.sendOut(stanza);
+    }
+
+    @Override
+    public void stanzaReceived(Stanza xmlValue) {
+        if (xmlValue instanceof Presence) {
+            Presence p = (Presence) xmlValue;
+            if (p.getType() == null || !p.getType().equals(Presence.Type.ERROR)) {
+                incomingPresence(p);
+            }
+        } else if (xmlValue instanceof Message) {
+            Message msg = (Message) xmlValue;
+            if (!incomingMessage(msg)) {
+                router.sendStanza(msg);
+            }
+        } else if (xmlValue instanceof IQ) {
+            IQ iq = (IQ) xmlValue;
+            router.sendStanza(iq);
+        }
+    }
+
+    String printMessages(List<Integer> mids, boolean crop) {
+        return messagesService.getMessages(mids).stream()
+                .sorted(Collections.reverseOrder())
+                .map(PlainTextFormatter::formatPostSummary).collect(Collectors.joining("\n\n"));
+    }
+
+    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));
+                xmpp.sendOut(ClientPresence.from(presence));
+            } catch (IllegalArgumentException ex) {
+                logger.warn("Invalid jid: {}", j, ex);
+            }
+        });
+    }
+
+    @Override
+    public void close() throws Exception {
+        broadcastPresence(Presence.Type.UNAVAILABLE);
+    }
+}