diff options
Diffstat (limited to 'juick-server-xmpp/src')
24 files changed, 3165 insertions, 0 deletions
diff --git a/juick-server-xmpp/src/main/java/com/juick/server/CommandsManager.java b/juick-server-xmpp/src/main/java/com/juick/server/CommandsManager.java new file mode 100644 index 00000000..6458382f --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/CommandsManager.java @@ -0,0 +1,489 @@ +/* + * 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.Message; +import com.juick.Tag; +import com.juick.User; +import com.juick.formatters.PlainTextFormatter; +import com.juick.server.component.LikeEvent; +import com.juick.server.component.MessageEvent; +import com.juick.server.component.PingEvent; +import com.juick.server.component.SubscribeEvent; +import com.juick.server.helpers.TagStats; +import com.juick.server.util.HttpUtils; +import com.juick.server.util.ImageUtils; +import com.juick.server.xmpp.helpers.CommandResult; +import com.juick.server.xmpp.helpers.annotation.UserCommand; +import com.juick.service.*; +import org.apache.commons.lang3.StringUtils; +import org.apache.commons.lang3.math.NumberUtils; +import org.apache.commons.lang3.reflect.MethodUtils; +import org.ocpsoft.prettytime.PrettyTime; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.context.ApplicationEventPublisher; +import org.springframework.stereotype.Component; +import rocks.xmpp.addr.Jid; + +import javax.annotation.PostConstruct; +import javax.inject.Inject; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.net.MalformedURLException; +import java.net.URI; +import java.nio.file.Paths; +import java.util.*; +import java.util.regex.Matcher; +import java.util.regex.Pattern; +import java.util.stream.Collectors; + +/** + * + * @author ugnich + */ +@Component +public class CommandsManager { + private PrettyTime pt; + @Inject + private MessagesService messagesService; + @Inject + private UserService userService; + @Inject + private TagService tagService; + @Inject + private PMQueriesService pmQueriesService; + @Inject + private ShowQueriesService showQueriesService; + @Inject + private PrivacyQueriesService privacyQueriesService; + @Inject + private SubscriptionService subscriptionService; + @Value("${upload_tmp_dir:#{systemEnvironment['TEMP'] ?: '/tmp'}}") + private String tmpDir; + @Value("${img_path:#{systemEnvironment['TEMP'] ?: '/tmp'}}") + private String imgDir; + @Inject + private ApplicationEventPublisher applicationEventPublisher; + + @PostConstruct + public void init() { + pt = new PrettyTime(new Locale("ru")); + } + + + public Optional<CommandResult> processCommand(User user, Jid from, String input, URI attachment) throws InvocationTargetException, + IllegalAccessException, NoSuchMethodException { + Optional<Method> cmd = MethodUtils.getMethodsListWithAnnotation(getClass(), UserCommand.class).stream() + .filter(m -> Pattern.compile(m.getAnnotation(UserCommand.class).pattern(), + m.getAnnotation(UserCommand.class).patternFlags()).matcher(input).matches()) + .findFirst(); + if (cmd.isPresent()) { + Matcher matcher = Pattern.compile(cmd.get().getAnnotation(UserCommand.class).pattern(), + cmd.get().getAnnotation(UserCommand.class).patternFlags()).matcher(input); + List<String> groups = new ArrayList<>(); + while (matcher.find()) { + for (int i = 1; i <= matcher.groupCount(); i++) { + groups.add(matcher.group(i)); + } + } + return Optional.of((CommandResult) getClass().getMethod(cmd.get().getName(), User.class, Jid.class, URI.class, String[].class) + .invoke(this, user, from, attachment, groups.toArray(new String[groups.size()]))); + } + return Optional.empty(); + } + + @UserCommand(pattern = "^ping$", patternFlags = Pattern.CASE_INSENSITIVE, + help = "PING - returns you a PONG") + public CommandResult commandPing(User user, Jid from, URI attachment, String[] input) { + applicationEventPublisher.publishEvent(new PingEvent(this, user)); + return CommandResult.fromString("PONG"); + } + + @UserCommand(pattern = "^help$", patternFlags = Pattern.CASE_INSENSITIVE, + help = "HELP - returns this help message") + public CommandResult commandHelp(User user, Jid from, URI attachment, String[] input) { + return CommandResult.fromString(Arrays.stream(getClass().getDeclaredMethods()) + .filter(m -> m.isAnnotationPresent(UserCommand.class)) + .map(m -> m.getAnnotation(UserCommand.class).help()) + .collect(Collectors.joining("\n"))); + } + + @UserCommand(pattern = "^login$", patternFlags = Pattern.CASE_INSENSITIVE, + help = "LOGIN - log in to Juick website") + public CommandResult commandLogin(User user_from, Jid from, URI attachment, String[] input) { + return CommandResult.fromString("http://juick.com/login?hash=" + userService.getHashByUID(user_from.getUid())); + } + @UserCommand(pattern = "^\\@(\\S+)\\s+([\\s\\S]+)$", help = "@username message - send PM to username") + public CommandResult commandPM(User user_from, Jid from, URI attachment, String... arguments) { + String body = arguments[1]; + + User user_to = userService.getUserByName(arguments[0]); + + if (user_to.getUid() > 0) { + if (!userService.isInBLAny(user_to.getUid(), user_from.getUid())) { + if (pmQueriesService.createPM(user_from.getUid(), user_to.getUid(), body)) { + com.juick.Message jmsg = new com.juick.Message(); + jmsg.setUser(user_from); + jmsg.setTo(user_to); + jmsg.setText(body); + applicationEventPublisher.publishEvent(new MessageEvent(this, jmsg)); + return CommandResult.fromString("Private message sent"); + } + } + } + return CommandResult.fromString("Error"); + } + @UserCommand(pattern = "^bl$", patternFlags = Pattern.CASE_INSENSITIVE, + help = "BL - Show your blacklist") + public CommandResult commandBLShow(User user_from, Jid from, URI attachment, String... arguments) { + List<User> blusers = userService.getUserBLUsers(user_from.getUid()); + List<String> bltags = tagService.getUserBLTags(user_from.getUid()); + + String txt = StringUtils.EMPTY; + if (bltags.size() > 0) { + for (String bltag : bltags) { + txt += "*" + bltag + "\n"; + } + + if (blusers.size() > 0) { + txt += "\n"; + } + } + if (blusers.size() > 0) { + for (User bluser : blusers) { + txt += "@" + bluser.getName() + "\n"; + } + } + if (txt.isEmpty()) { + txt = "You don't have any users or tags in your blacklist."; + } + + return CommandResult.fromString(txt); + } + + @UserCommand(pattern = "^#\\+$", help = "#+ - Show last Juick messages") + public CommandResult commandLast(User user_from, Jid from, URI attachment, String... arguments) { + return CommandResult.fromString("Last messages:\n" + + printMessages(messagesService.getAll(user_from.getUid(), 0), true)); + } + + @UserCommand(pattern = "@", help = "@ - Show recommendations and popular personal blogs") + public CommandResult commandUsers(User user_from, Jid from, URI attachment, String... arguments) { + StringBuilder msg = new StringBuilder(); + msg.append("Recommended blogs"); + List<String> recommendedUsers = showQueriesService.getRecommendedUsers(user_from); + 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? ;)"); + } + return CommandResult.fromString(msg.toString()); + } + @UserCommand(pattern = "^bl\\s+@([^\\s\\n\\+]+)", patternFlags = Pattern.CASE_INSENSITIVE, + help = "BL @username - add @username to your blacklist") + public CommandResult blacklistUser(User user_from, Jid from, URI attachment, String... arguments) { + User blUser = userService.getUserByName(arguments[0]); + if (blUser != null) { + PrivacyQueriesService.PrivacyResult result = privacyQueriesService.blacklistUser(user_from, blUser); + if (result == PrivacyQueriesService.PrivacyResult.Added) { + return CommandResult.fromString("User added to your blacklist"); + } else { + return CommandResult.fromString("User removed from your blacklist"); + } + } + return CommandResult.fromString("User not found"); + } + @UserCommand(pattern = "^bl\\s\\*(\\S+)$", patternFlags = Pattern.CASE_INSENSITIVE, + help = "BL *tag - add *tag to your blacklist") + public CommandResult blacklistTag(User user_from, Jid from, URI attachment, String... arguments) { + User blUser = userService.getUserByName(arguments[0]); + if (blUser != null) { + Tag tag = tagService.getTag(arguments[0], false); + if (tag != null) { + PrivacyQueriesService.PrivacyResult result = privacyQueriesService.blacklistTag(user_from, tag); + if (result == PrivacyQueriesService.PrivacyResult.Added) { + return CommandResult.fromString("Tag added to your blacklist"); + } else { + return CommandResult.fromString("Tag removed from your blacklist"); + } + } + } + return CommandResult.fromString("Tag not found"); + } + @UserCommand(pattern = "\\*", help = "* - Show your tags") + public CommandResult commandTags(User currentUser, Jid from, URI attachment, String... args) { + List<TagStats> tags = tagService.getUserTagStats(currentUser.getUid()); + String msg = "Your tags: (tag - messages)\n" + + tags.stream() + .map(t -> String.format("\n*%s - %d", t.getTag().getName(), t.getUsageCount())).collect(Collectors.joining()); + return CommandResult.fromString(msg); + } + @UserCommand(pattern = "S", help = "S - Show your subscriptions") + public CommandResult commandSubscriptions(User currentUser, Jid from, URI attachment, String... args) { + List<User> friends = userService.getUserFriends(currentUser.getUid()); + List<String> tags = subscriptionService.getSubscribedTags(currentUser); + String msg = friends.size() > 0 ? "You are subscribed to users:" + friends.stream().map(u -> "\n@" + u.getName()) + .collect(Collectors.joining()) + : "You are not subscribed to any user."; + msg += tags.size() > 0 ? "\nYou are subscribed to tags:" + tags.stream().map(t -> "\n*" + t) + .collect(Collectors.joining()) + : "\nYou are not subscribed to any tag."; + return CommandResult.fromString(msg); + } + @UserCommand(pattern = "!", help = "! - Show your favorite messages") + public CommandResult commandFavorites(User currentUser, Jid from, URI attachment, String... args) { + List<Integer> mids = messagesService.getUserRecommendations(currentUser.getUid(), 0); + if (mids.size() > 0) { + return CommandResult.fromString("Favorite messages: \n" + printMessages(mids, false)); + } + return CommandResult.fromString("No favorite messages, try to \"like\" something ;)"); + } + @UserCommand(pattern = "^\\!\\s+#(\\d+)", help = "! #12345 - recommend message") + public CommandResult commandRecommend(User user, Jid from, URI attachment, String... arguments) { + int mid = NumberUtils.toInt(arguments[0], 0); + if (mid > 0) { + com.juick.Message msg = messagesService.getMessage(mid); + if (msg != null) { + if (msg.getUser() == user) { + return CommandResult.fromString("You can't recommend your own messages."); + } + MessagesService.RecommendStatus status = messagesService.recommendMessage(mid, user.getUid()); + switch (status) { + case Added: + applicationEventPublisher.publishEvent(new LikeEvent(this, user, msg)); + return CommandResult.fromString("Message is added to your recommendations"); + case Deleted: + return CommandResult.fromString("Message deleted from your recommendations."); + } + } + return CommandResult.fromString("Message not found"); + } + return CommandResult.fromString("Message not found"); + } + // TODO: target notification + @UserCommand(pattern = "^(s|u)\\s+\\@(\\S+)$", help = "S @username - subscribe to user" + + "\nU @username - unsubscribe from user", patternFlags = Pattern.CASE_INSENSITIVE) + public CommandResult commandSubscribeUser(User user, Jid from, URI attachment, String... args) { + boolean subscribe = args[0].equalsIgnoreCase("s"); + User toUser = userService.getUserByName(args[1]); + if (subscribe) { + if (subscriptionService.subscribeUser(user, toUser)) { + // TODO: already subscribed case + applicationEventPublisher.publishEvent(new SubscribeEvent(this, user, toUser)); + return CommandResult.fromString("Subscribed to @" + toUser.getName()); + } + } else { + if (subscriptionService.unSubscribeUser(user, toUser)) { + return CommandResult.fromString("Unsubscribed from @" + toUser.getName()); + } + return CommandResult.fromString("You was not subscribed to @" + toUser.getName()); + } + return CommandResult.fromString("Error"); + } + @UserCommand(pattern = "^(s|u)\\s+\\*(\\S+)$", help = "S *tag - subscribe to tag" + + "\nU *tag - unsubscribe from tag", patternFlags = Pattern.CASE_INSENSITIVE) + public CommandResult commandSubscribeTag(User user, Jid from, URI attachment, String... args) { + boolean subscribe = args[0].equalsIgnoreCase("s"); + Tag tag = tagService.getTag(args[1], true); + if (subscribe) { + if (subscriptionService.subscribeTag(user, tag)) { + return CommandResult.fromString("Subscribed"); + } + } else { + if (subscriptionService.unSubscribeTag(user, tag)) { + return CommandResult.fromString("Unsubscribed from " + tag.getName()); + } + return CommandResult.fromString("You was not subscribed to " + tag.getName()); + } + return CommandResult.fromString("Error"); + } + @UserCommand(pattern = "^(s|u)\\s+#(\\d+)$", help = "S #1234 - subscribe to comments" + + "\nU #1234 - unsubscribe from comments", patternFlags = Pattern.CASE_INSENSITIVE) + public CommandResult commandSubscribeMessage(User user, Jid from, URI attachment, String... args) { + boolean subscribe = args[0].equalsIgnoreCase("s"); + int mid = NumberUtils.toInt(args[1], 0); + if (messagesService.getMessage(mid) != null) { + if (subscribe) { + if (subscriptionService.subscribeMessage(mid, user.getUid())) { + return CommandResult.fromString("Subscribed"); + } + } else { + if (subscriptionService.unSubscribeMessage(mid, user.getUid())) { + return CommandResult.fromString("Unsubscribed from #" + mid); + } + return CommandResult.fromString("You was not subscribed to #" + mid); + } + } + return CommandResult.fromString("Error"); + } + @UserCommand(pattern = "^(on|off)$", patternFlags = Pattern.CASE_INSENSITIVE, + help = "ON/OFF - Enable/disable subscriptions delivery") + public CommandResult commandOnOff(User user, Jid from, URI attachment, String[] input) { + UserService.ActiveStatus newStatus; + String retValUpdated; + if (input[0].toLowerCase().equals("on")) { + newStatus = UserService.ActiveStatus.Active; + retValUpdated = "Notifications are activated for " + from.asBareJid().toEscapedString(); + } else { + newStatus = UserService.ActiveStatus.Inactive; + retValUpdated = "Notifications are disabled for " + from.asBareJid().toEscapedString(); + } + + if (userService.setActiveStatusForJID(from.asBareJid().toEscapedString(), newStatus)) { + return CommandResult.fromString(retValUpdated); + } else { + return CommandResult.fromString(String.format("Subscriptions status for %s was not changed", from.toEscapedString())); + } + } + @UserCommand(pattern = "^\\@([^\\s\\n\\+]+)(\\+?)$", + help = "@username+ - Show user's info and last 20 messages") + public CommandResult commandUser(User user, Jid from, URI attachment, String... arguments) { + User blogUser = userService.getUserByName(arguments[0]); + int page = arguments[1].length(); + if (blogUser.getUid() > 0) { + List<Integer> mids = messagesService.getUserBlog(blogUser.getUid(), 0, 0); + return CommandResult.fromString(String.format("Last messages from @%s:\n%s", arguments[0], + printMessages(mids, false))); + } + return CommandResult.fromString("User not found"); + } + @UserCommand(pattern = "^#(\\d+)(\\+?)$", help = "#1234 - Show message (#1234+ - message with replies)") + public CommandResult commandShow(User user, Jid from, URI attachment, String... arguments) { + boolean showReplies = arguments[1].length() > 0; + int mid = NumberUtils.toInt(arguments[0], 0); + if (mid == 0) { + return CommandResult.fromString("Error"); + } + com.juick.Message msg = messagesService.getMessage(mid); + if (msg != null) { + if (showReplies) { + List<com.juick.Message> replies = messagesService.getReplies(mid); + replies.add(0, msg); + return CommandResult.fromString(String.join("\n", + replies.stream().map(PlainTextFormatter::formatPostSummary).collect(Collectors.toList()))); + } + return CommandResult.fromString(PlainTextFormatter.formatPost(msg)); + } + return CommandResult.fromString("Message not found"); + } + @UserCommand(pattern = "^#(\\d+)\\/(\\d+)$", help = "#1234/5 - Show reply") + public CommandResult commandShowReply(User user, Jid from, URI attachment, String... arguments) { + int mid = NumberUtils.toInt(arguments[0], 0); + int rid = NumberUtils.toInt(arguments[1], 0); + com.juick.Message reply = messagesService.getReply(mid, rid); + if (reply != null) { + return CommandResult.fromString(PlainTextFormatter.formatPost(reply)); + } + return CommandResult.fromString("Reply not found"); + } + @UserCommand(pattern = "^\\*(\\S+)(\\+?)$", help = "*tag - Show last messages with tag") + public CommandResult commandShowTag(User user, Jid from, URI attachment, String... arguments) { + Tag tag = tagService.getTag(arguments[0], false); + if (tag != null) { + // TODO: synonims + List<Integer> mids = messagesService.getTag(tag.TID, user.getUid(), 0, 10); + return CommandResult.fromString("Last messages with *" + tag.getName() + ":\n" + printMessages(mids, true)); + } + return CommandResult.fromString("Tag not found"); + } + @UserCommand(pattern = "^D #(\\d+)$", help = "D #1234 - Delete post", patternFlags = Pattern.CASE_INSENSITIVE) + public CommandResult commandDeletePost(User user, Jid from, URI attachment, String... args) { + int mid = Integer.valueOf(args[0]); + if (messagesService.deleteMessage(user.getUid(), mid)) { + return CommandResult.fromString("Message deleted"); + } + return CommandResult.fromString("This is not your message"); + } + @UserCommand(pattern = "^D #(\\d+)(\\.|\\-|\\/)(\\d+)$", help = "D #1234/5 - Delete comment", patternFlags = Pattern.CASE_INSENSITIVE) + public CommandResult commandDeleteReply(User user, Jid from, URI attachment, String... args) { + int mid = Integer.valueOf(args[0]); + int rid = Integer.valueOf(args[2]); + if (messagesService.deleteReply(user.getUid(), mid, rid)) { + return CommandResult.fromString("Reply deleted"); + } else { + return CommandResult.fromString("This is not your reply"); + } + } + @UserCommand(pattern = "^(D L|DL|D LAST)$", help = "D L - Delete last message", patternFlags = Pattern.CASE_INSENSITIVE) + public CommandResult commandDeleteLast(User user, Jid from, URI attachment, String... args) { + return CommandResult.fromString("Temporarily unavailable"); + } + @UserCommand(pattern = "^\\?\\s+\\@([a-zA-Z0-9\\-\\.\\@]+)\\s+([\\s\\S]+)$", help = "? @user string - search in user messages") + public CommandResult commandSearch(User user, Jid from, URI attachment, String... args) { + return CommandResult.fromString("Temporarily unavailable"); + } + @UserCommand(pattern = "^\\?\\s+([\\s\\S]+)$", help = "? string - search in all messages") + public CommandResult commandSearchAll(User user, Jid from, URI attachment, String... args) { + return CommandResult.fromString("Temporarily unavailable"); + } + @UserCommand(pattern = "^(#+)$", help = "# - Show last messages from your feed (## - second page, ...)") + public CommandResult commandMyFeed(User user, Jid from, URI attachment, String... arguments) { + // number of # is the page count + int page = arguments[0].length() - 1; + List<Integer> mids = messagesService.getMyFeed(user.getUid(), page, false); + if (mids.size() > 0) { + return CommandResult.fromString("Your feed: \n" + printMessages(mids, true)); + } + return CommandResult.fromString("Your feed is empty"); + } + @UserCommand(pattern = "^(#|\\.)(\\d+)((\\.|\\-|\\/)(\\d+))?\\s([\\s\\S]+)", + help = "#1234 *tag *tag2 - edit tags\n#1234 text - reply to message") + public CommandResult EditOrReply(User user, Jid from, URI attachment, String... args) throws Exception { + int mid = NumberUtils.toInt(args[1]); + int rid = NumberUtils.toInt(args[4], 0); + String txt = args[5]; + List<Tag> messageTags = tagService.fromString(txt, true); + if (messageTags.size() > 0) { + if (user.getUid() != messagesService.getMessageAuthor(mid).getUid()) { + return CommandResult.fromString("It is not your message"); + } + tagService.updateTags(mid, messageTags); + return CommandResult.fromString("Tags are updated"); + } else { + String attachmentType = attachment != null && StringUtils.isNotEmpty(attachment.toString()) ? attachment.toString().substring(attachment.toString().length() - 3) : null; + int newrid = messagesService.createReply(mid, rid, user.getUid(), txt, attachmentType); + if (StringUtils.isNotEmpty(attachmentType)) { + String attachmentFName = attachment.getScheme().equals("juick") ? attachment.getHost() + : HttpUtils.downloadImage(attachment.toURL(), tmpDir); + String fname = String.format("%d-%d.%s", mid, newrid, attachmentType); + ImageUtils.saveImageWithPreviews(attachmentFName, fname, tmpDir, imgDir); + } + Message reply = messagesService.getReply(mid, newrid); + applicationEventPublisher.publishEvent(new MessageEvent(this, reply)); + return CommandResult.fromMessage(reply,"Reply posted.\n#" + mid + "/" + newrid + " " + + "https://juick.com/" + mid + "#" + newrid); + } + } + + String printMessages(List<Integer> mids, boolean crop) { + return messagesService.getMessages(mids).stream() + .sorted(Collections.reverseOrder()) + .map(PlainTextFormatter::formatPostSummary).collect(Collectors.joining("\n\n")); + } +} diff --git a/juick-server-xmpp/src/main/java/com/juick/server/NotificationListener.java b/juick-server-xmpp/src/main/java/com/juick/server/NotificationListener.java new file mode 100644 index 00000000..f6330570 --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/NotificationListener.java @@ -0,0 +1,18 @@ +package com.juick.server; + +import com.juick.server.component.LikeEvent; +import com.juick.server.component.MessageEvent; +import com.juick.server.component.PingEvent; +import com.juick.server.component.SubscribeEvent; +import org.springframework.context.event.EventListener; + +public interface NotificationListener { + @EventListener + void processMessageEvent(MessageEvent messageEvent); + @EventListener + void processSubscribeEvent(SubscribeEvent subscribeEvent); + @EventListener + void processLikeEvent(LikeEvent likeEvent); + @EventListener + void ProcessPingEvent(PingEvent pingEvent); +} diff --git a/juick-server-xmpp/src/main/java/com/juick/server/XMPPConnection.java b/juick-server-xmpp/src/main/java/com/juick/server/XMPPConnection.java new file mode 100644 index 00000000..a60b506d --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/XMPPConnection.java @@ -0,0 +1,750 @@ +/* + * 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.Tag; +import com.juick.User; +import com.juick.server.component.LikeEvent; +import com.juick.server.component.MessageEvent; +import com.juick.server.component.PingEvent; +import com.juick.server.component.SubscribeEvent; +import com.juick.server.helpers.UserInfo; +import com.juick.server.util.HttpUtils; +import com.juick.server.util.ImageUtils; +import com.juick.server.util.TagUtils; +import com.juick.server.xmpp.helpers.CommandResult; +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.apache.commons.lang3.math.NumberUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.context.ApplicationEventPublisher; +import org.springframework.context.annotation.DependsOn; +import org.springframework.stereotype.Component; +import rocks.xmpp.addr.Jid; +import rocks.xmpp.core.XmppException; +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.model.EntityCapabilities; +import rocks.xmpp.extensions.component.accept.ExternalComponent; +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.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.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.util.ArrayList; +import java.util.List; +import java.util.Optional; +import java.util.concurrent.ExecutionException; +import java.util.concurrent.ExecutorService; + +/** + * @author ugnich + */ +@Component +@DependsOn("XMPPRouter") +public class XMPPConnection implements StanzaListener, NotificationListener { + + private static final Logger logger = LoggerFactory.getLogger(XMPPConnection.class); + + 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("${xmpp_password:secret}") + private String password; + @Value("${xmpp_disabled:false}") + private boolean isXmppDisabled; + @Value("${upload_tmp_dir:#{systemEnvironment['TEMP'] ?: '/tmp'}}") + private String tmpDir; + @Value("${img_path:#{systemEnvironment['TEMP'] ?: '/tmp'}}") + private String imgDir; + + @Inject + private MessagesService messagesService; + @Inject + private UserService userService; + @Inject + private SubscriptionService subscriptionService; + @Inject + private PMQueriesService pmQueriesService; + @Inject + private TagService tagService; + @Inject + private BasicXmppSession session; + @Inject + private ExecutorService service; + @Inject + private ApplicationEventPublisher applicationEventPublisher; + + @PostConstruct + public void init() { + logger.info("stream router start connecting to {}", componentPort); + xmpp.addStanzaListener(this); + router = ExternalComponent.create(componentName, password, session.getConfiguration(), "localhost", + componentPort); + PingManager pingManager = router.getManager(PingManager.class); + pingManager.setEnabled(true); + router.disableFeature(EntityCapabilities.NAMESPACE); + 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"); + 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(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.getUid() > 0) { + 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 -> { + Message message = e.getMessage(); + Jid jid = message.getTo(); + if (jid.getDomain().equals(router.getDomain().toEscapedString()) || jid.equals(jid)) { + com.juick.Message jmsg = message.getExtension(com.juick.Message.class); + if (jmsg != null) { + if (jid.getLocal().equals("recomm")) { + User fromUser = jmsg.getUser(); + com.juick.Message msg = messagesService.getMessage(jmsg.getMid()); + applicationEventPublisher.publishEvent(new LikeEvent(this, fromUser, msg)); + } else if (jid.getLocal().equals("pm")) { + applicationEventPublisher.publishEvent(new MessageEvent(this, jmsg)); + } else { + if (jmsg.getRid() > 0) { + // to get quote and attachment + com.juick.Message reply = messagesService.getReply(jmsg.getMid(), jmsg.getRid()); + sendJuickComment(reply); + applicationEventPublisher.publishEvent(new MessageEvent(this, reply)); + } else if (jmsg.getMid() > 0) { + sendJuickMessage(jmsg); + applicationEventPublisher.publishEvent(new MessageEvent(this, + messagesService.getMessage(jmsg.getMid()))); + } + } + } else { + String attachment = StringUtils.EMPTY; + OobX oobX = message.getExtension(OobX.class); + if (oobX != null) { + attachment = oobX.getUri().toString(); + } + try { + processMessage(userService.getUserByUID(NumberUtils.toInt(message.getFrom().getLocal(), 0)).orElse(new User()), message.getBody(), attachment); + } catch (Exception e1) { + logger.warn("message exception", e1); + } + } + } else if (jid.getDomain().endsWith(jid.getDomain()) && (jid.getDomain().equals(this.jid.getDomain()) + || jid.getDomain().endsWith("." + jid.getDomain()))) { + if (logger.isInfoEnabled()) { + try { + logger.info("unhandled message: {}", stanzaToString(message)); + } catch (JAXBException | XMLStreamException ex) { + logger.error("JAXB exception", ex); + } + } + } else { + s2s(ClientMessage.from(message)); + } + }); + router.addInboundIQListener(e -> { + IQ iq = e.getIQ(); + Jid jid = iq.getTo(); + if (!jid.getDomain().equals(this.jid.getDomain())) { + s2s(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 { + processMessage(userService.getUserByJID(e.getInitiator().toEscapedString()), e.getDescription(), targetFilename); + } 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"); + } + }); + if (!isXmppDisabled) { + service.submit(() -> { + try { + Thread.sleep(3000); + router.connect(); + broadcastPresence(null); + } catch (InterruptedException | XmppException e) { + logger.warn("xmpp exception", e); + } + }); + } + } + + 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 s2s(Stanza stanza) { + try { + String xml = stanzaToString(stanza); + logger.info("stream router (out): {}", xml); + xmpp.sendOut(stanza); + } catch (XMLStreamException | JAXBException e) { + logger.error("JAXB exception", e); + } + + } + + + + private void sendJuickMessage(com.juick.Message jmsg) { + List<String> jids = new ArrayList<>(); + + if (jmsg.FriendsOnly) { + jids = subscriptionService.getJIDSubscribedToUser(jmsg.getUser().getUid(), jmsg.FriendsOnly); + } else { + List<User> users = subscriptionService.getSubscribedUsers(jmsg.getUser().getUid(), jmsg.getMid()); + 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/" + 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)); + s2s(ClientMessage.from(msg)); + } + } + + public void sendJuickComment(com.juick.Message jmsg) { + List<User> users; + String replyQuote; + String replyTo; + + com.juick.Message op = messagesService.getMessage(jmsg.getMid()); + users = subscriptionService.getUsersSubscribedToComments(op, jmsg); + 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 = 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/" + 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)); + s2s(ClientMessage.from(msg)); + } + } + } + + @Override + public void processMessageEvent(MessageEvent event) { + com.juick.Message msg = event.getMessage(); + boolean isPM = msg.getMid() == 0; + boolean isReply = msg.getRid() > 0; + if (isPM) { + 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()); + } + s2s(ClientMessage.from(mm)); + }); + } else if (!isReply) { + String notify = "New message posted.\n#" + msg.getMid() + " https://juick.com/" + msg.getMid(); + userService.getJIDsbyUID(msg.getUser().getUid()) + .forEach(jid -> sendReply(Jid.of(jid), notify)); + } + } + + private void sendReply(Jid jidTo, String txt) { + Message reply = new Message(); + reply.setFrom(jid); + reply.setTo(jidTo); + reply.setType(Message.Type.CHAT); + reply.setBody(txt); + s2s(ClientMessage.from(reply)); + } + + @Override + public void processSubscribeEvent(SubscribeEvent subscribeEvent) { + + } + + @Override + public void processLikeEvent(LikeEvent likeEvent) { + List<User> users; + com.juick.Message jmsg = likeEvent.getMessage(); + User liker = likeEvent.getUser(); + users = subscriptionService.getUsersSubscribedToUserRecommendations(liker.getUid(), + jmsg.getMid(), jmsg.getUser().getUid()); + + 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/" + 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)); + s2s(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); + s2s(ClientPresence.from(p)); + }); + } + + 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); + s2s(ClientPresence.from(reply)); + } 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); + if (!userService.getActiveJIDs().contains(p.getFrom().asBareJid().toEscapedString())) { + reply.setStatus("Send ON to enable notifications"); + } + s2s(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)); + s2s(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); + s2s(ClientPresence.from(reply)); + + reply.setFrom(reply.getFrom().withResource(jid.getResource())); + reply.setPriority((byte) 10); + reply.setType(null); + s2s(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)); + s2s(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); + s2s(ClientPresence.from(reply)); + } + } + + public void incomingMessage(Message msg) { + 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; + } + } + return; + } + if (StringUtils.isBlank(msg.getBody())) { + return; + } + 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); + 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."); + s2s(ClientMessage.from(reply)); + return; + } + + if (username.equals(jid.getLocal())) { + try { + OobX oobX = msg.getExtension(OobX.class); + if (oobX != null) { + incomingMessageJuick(user_from, msg.getFrom(), msg.getBody().trim(), oobX.getUri()); + } else { + incomingMessageJuick(user_from, msg.getFrom(), msg.getBody().trim(), null); + } + } catch (Exception e) { + return; + } + } + + 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)); + s2s(ClientMessage.from(reply)); + return; + } + + boolean success = false; + if (!userService.isInBLAny(uid_to, user_from.getUid())) { + success = pmQueriesService.createPM(user_from.getUid(), uid_to, msg.getBody()); + } + + if (success) { + com.juick.Message jmsg = new com.juick.Message(); + jmsg.setUser(user_from); + jmsg.setTo(userService.getUserByUID(uid_to).get()); + jmsg.setText(msg.getBody()); + applicationEventPublisher.publishEvent(new MessageEvent(this, jmsg)); + } 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)); + s2s(ClientMessage.from(reply)); + } + + return; + } + public com.juick.Message incomingMessageJuick(User user_from, Jid from, String command, URI attachment) throws Exception { + int commandlen = command.length(); + + // COMPATIBILITY + if (commandlen > 7 && command.substring(0, 3).equalsIgnoreCase("PM ")) { + command = command.substring(3).trim(); + } + + Optional<CommandResult> result = commandsManager.processCommand(user_from, from, command, attachment); + if (result.isPresent()) { + sendReply(from, result.get().getText()); + return result.get().getNewMessage(); + } else { + // new message + List<Tag> tags = tagService.fromString(command, false); + String body = command.substring(TagUtils.toString(tags).length()); + String attachmentType = StringUtils.isNotEmpty(attachment.toString()) ? attachment.toString().substring(attachment.toString().length() - 3) : null; + int mid = messagesService.createMessage(user_from.getUid(), body, attachmentType, tags); + subscriptionService.subscribeMessage(mid, user_from.getUid()); + if (StringUtils.isNotEmpty(attachmentType)) { + String attachmentFName = attachment.getScheme().equals("juick") ? attachment.getHost() + : HttpUtils.downloadImage(attachment.toURL(), tmpDir); + String fname = String.format("%d.%s", mid, attachmentType); + ImageUtils.saveImageWithPreviews(attachmentFName, fname, tmpDir, imgDir); + } + com.juick.Message msg = messagesService.getMessage(mid); + applicationEventPublisher.publishEvent(new MessageEvent(this, msg)); + return msg; + } + } + public com.juick.Message processMessage(User visitor, String body, String attachmentName) throws Exception { + if (StringUtils.isNotEmpty(attachmentName)) { + URI httpUri = URI.create(attachmentName); + if (!httpUri.isAbsolute()) { + attachmentName = String.format("juick://%s", attachmentName); + } + } + return incomingMessageJuick(visitor, Jid.of(String.valueOf(visitor.getUid()), "uid.juick.com", "perl"), body, URI.create(attachmentName)); + } + + @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; + incomingMessage(msg); + } else if (xmlValue instanceof IQ) { + IQ iq = (IQ) xmlValue; + router.send(iq); + } + } + + 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)); + s2s(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(); + } + } + + ExternalComponent getRouter() { + return router; + } +} diff --git a/juick-server-xmpp/src/main/java/com/juick/server/XMPPServer.java b/juick-server-xmpp/src/main/java/com/juick/server/XMPPServer.java new file mode 100644 index 00000000..c291202d --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/XMPPServer.java @@ -0,0 +1,432 @@ +/* + * 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.server.xmpp.s2s.*; +import com.juick.service.UserService; +import com.juick.server.xmpp.extensions.JuickMessage; +import com.juick.xmpp.extensions.StreamError; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.scheduling.annotation.Scheduled; +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.net.ssl.*; +import javax.xml.bind.JAXBException; +import javax.xml.bind.Unmarshaller; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamWriter; +import java.io.*; +import java.net.*; +import java.security.KeyStore; +import java.security.KeyStoreException; +import java.security.SecureRandom; +import java.time.Duration; +import java.time.Instant; +import java.util.Arrays; +import java.util.List; +import java.util.Map; +import java.util.NoSuchElementException; +import java.util.Optional; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.CopyOnWriteArrayList; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.atomic.AtomicBoolean; + +/** + * @author ugnich + */ +@Component +public class XMPPServer implements ConnectionListener, AutoCloseable { + private static final Logger logger = LoggerFactory.getLogger(XMPPServer.class); + + private static final int TIMEOUT_MINUTES = 15; + + @Inject + public ExecutorService service; + @Value("${hostname:localhost}") + private Jid jid; + @Value("${s2s_port:5269}") + private int s2sPort; + @Value("${keystore:juick.p12}") + public String keystore; + @Value("${keystore_password:secret}") + public String keystorePassword; + @Value("${broken_ssl_hosts:}") + public String[] brokenSSLhosts; + @Value("${banned_hosts:}") + public String[] bannedHosts; + + private final List<ConnectionIn> inConnections = new CopyOnWriteArrayList<>(); + private final Map<ConnectionOut, Optional<Socket>> outConnections = new ConcurrentHashMap<>(); + private final List<CacheEntry> outCache = new CopyOnWriteArrayList<>(); + private final List<StanzaListener> stanzaListeners = new CopyOnWriteArrayList<>(); + private final AtomicBoolean closeFlag = new AtomicBoolean(false); + + SSLContext sc; + private TrustManager[] trustAllCerts = new TrustManager[]{ + new X509TrustManager() { + public void checkClientTrusted(java.security.cert.X509Certificate[] certs, String authType) { + } + + public void checkServerTrusted(java.security.cert.X509Certificate[] certs, String authType) { + } + public java.security.cert.X509Certificate[] getAcceptedIssuers() { + return null; + } + } + }; + private boolean tlsConfigured = false; + + + private ServerSocket listener; + + @Inject + private BasicXmppSession session; + @Inject + private UserService userService; + + @PostConstruct + public void init() throws KeyStoreException { + closeFlag.set(false); + KeyStore ks = KeyStore.getInstance("PKCS12"); + try (InputStream ksIs = new FileInputStream(keystore)) { + ks.load(ksIs, keystorePassword.toCharArray()); + KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory + .getDefaultAlgorithm()); + kmf.init(ks, keystorePassword.toCharArray()); + sc = SSLContext.getInstance("TLSv1.2"); + sc.init(kmf.getKeyManagers(), trustAllCerts, new SecureRandom()); + tlsConfigured = true; + } catch (Exception e) { + logger.warn("tls unavailable"); + } + service.submit(() -> { + try { + listener = new ServerSocket(s2sPort); + logger.info("s2s listener ready"); + while (!listener.isClosed()) { + if (Thread.currentThread().isInterrupted()) break; + Socket socket = listener.accept(); + ConnectionIn client = new ConnectionIn(this, socket); + addConnectionIn(client); + service.submit(client); + } + } catch (SocketException e) { + // shutdown + } catch (IOException | XmlPullParserException e) { + logger.warn("xmpp exception", e); + } + }); + } + + @Override + public void close() throws Exception { + if (listener != null && !listener.isClosed()) { + listener.close(); + } + outConnections.forEach((c, s) -> { + c.logoff(); + outConnections.remove(c); + }); + inConnections.forEach(c -> { + c.closeConnection(); + inConnections.remove(c); + }); + service.shutdown(); + logger.info("XMPP server destroyed"); + } + + public void addConnectionIn(ConnectionIn c) { + c.setListener(this); + inConnections.add(c); + } + + public void addConnectionOut(ConnectionOut c, Optional<Socket> socket) { + c.setListener(this); + outConnections.put(c, socket); + } + + public void removeConnectionIn(ConnectionIn c) { + inConnections.remove(c); + } + + public void removeConnectionOut(ConnectionOut c) { + outConnections.remove(c); + } + + public String getFromCache(Jid to) { + final String[] cache = new String[1]; + outCache.stream().filter(c -> c.hostname != null && c.hostname.equals(to)).findFirst().ifPresent(c -> { + cache[0] = c.xml; + outCache.remove(c); + }); + return cache[0]; + } + + public Optional<ConnectionOut> getConnectionOut(Jid hostname, boolean needReady) { + return outConnections.keySet().stream().filter(c -> c.to != null && + c.to.equals(hostname) && (!needReady || c.streamReady)).findFirst(); + } + + public Optional<ConnectionIn> getConnectionIn(String streamID) { + return inConnections.stream().filter(c -> c.streamID != null && c.streamID.equals(streamID)).findFirst(); + } + + public 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.debug("s2s (out): {}", xml); + sendOut(Jid.of(s.getTo().getDomain()), xml); + } catch (XMLStreamException | JAXBException e1) { + logger.info("jaxb exception", e1); + } + } + + public void sendOut(Jid hostname, String xml) { + boolean haveAnyConn = false; + + ConnectionOut connOut = null; + for (ConnectionOut c : outConnections.keySet()) { + if (c.to != null && c.to.equals(hostname)) { + if (c.streamReady) { + connOut = c; + break; + } else { + haveAnyConn = true; + break; + } + } + } + if (connOut != null) { + connOut.send(xml); + return; + } + + boolean haveCache = false; + for (CacheEntry c : outCache) { + if (c.hostname != null && c.hostname.equals(hostname)) { + c.xml += xml; + c.updated = Instant.now(); + haveCache = true; + break; + } + } + if (!haveCache) { + outCache.add(new CacheEntry(hostname, xml)); + } + + if (!haveAnyConn && !closeFlag.get()) { + try { + createDialbackConnection(hostname.toEscapedString(), null, null); + } catch (Exception e) { + logger.warn("dialback error", e); + } + } + } + + void createDialbackConnection(String to, String checkSID, String dbKey) throws Exception { + ConnectionOut connectionOut = new ConnectionOut(getJid(), Jid.of(to), null, null, checkSID, dbKey); + addConnectionOut(connectionOut, Optional.empty()); + service.submit(() -> { + try { + Socket socket = new Socket(); + socket.connect(DNSQueries.getServerAddress(to)); + connectionOut.setInputStream(socket.getInputStream()); + connectionOut.setOutputStream(socket.getOutputStream()); + addConnectionOut(connectionOut, Optional.of(socket)); + connectionOut.addChildParser(new JuickMessage()); + connectionOut.connect(); + } catch (IOException e) { + userService.getActiveJIDs().stream().filter(j -> Jid.of(j).getDomain().equals(to)) + .forEach(j -> { + userService.setActiveStatusForJID(j, UserService.ActiveStatus.Inactive); + logger.info("{} is inactive now", j); + }); + } + }); + } + + public void startDialback(Jid from, String streamId, String dbKey) throws Exception { + Optional<ConnectionOut> c = getConnectionOut(from, false); + if (c.isPresent()) { + c.get().sendDialbackVerify(streamId, dbKey); + } else { + createDialbackConnection(from.toEscapedString(), streamId, dbKey); + } + } + + public void addStanzaListener(StanzaListener listener) { + stanzaListeners.add(listener); + } + + public void onStanzaReceived(String xmlValue) { + Stanza stanza = parse(xmlValue); + stanzaListeners.forEach(l -> l.stanzaReceived(stanza)); + } + + public BasicXmppSession getSession() { + return session; + } + + public List<ConnectionIn> getInConnections() { + return inConnections; + } + + public Map<ConnectionOut, Optional<Socket>> getOutConnections() { + return outConnections; + } + + @Override + public boolean isTlsAvailable() { + return tlsConfigured; + } + + @Override + public void starttls(ConnectionIn connection) { + logger.debug("stream {} securing", connection.streamID); + connection.sendStanza("<proceed xmlns=\"" + Connection.NS_TLS + "\" />"); + try { + connection.setSocket(sc.getSocketFactory().createSocket(connection.getSocket(), connection.getSocket().getInetAddress().getHostAddress(), + connection.getSocket().getPort(), true)); + ((SSLSocket) connection.getSocket()).setUseClientMode(false); + ((SSLSocket) connection.getSocket()).startHandshake(); + connection.setSecured(true); + logger.debug("stream {} secured", connection.streamID); + connection.restartParser(); + } catch (XmlPullParserException | IOException sex) { + logger.warn("stream {} ssl error {}", connection.streamID, sex); + connection.sendStanza("<failed xmlns\"" + Connection.NS_TLS + "\" />"); + removeConnectionIn(connection); + connection.closeConnection(); + } + } + + @Override + public void proceed(ConnectionOut connection) { + try { + Socket socket = outConnections.get(connection).get(); + socket = sc.getSocketFactory().createSocket(socket, socket.getInetAddress().getHostAddress(), + socket.getPort(), true); + ((SSLSocket) socket).startHandshake(); + connection.setSecured(true); + logger.debug("stream {} secured", connection.getStreamID()); + connection.setInputStream(socket.getInputStream()); + connection.setOutputStream(socket.getOutputStream()); + connection.restartStream(); + connection.sendOpenStream(); + } catch (NoSuchElementException | XmlPullParserException | IOException sex) { + logger.error("s2s ssl error: {} {}, error {}", connection.to, connection.getStreamID(), sex); + connection.send("<failed xmlns\"" + Connection.NS_TLS + "\" />"); + removeConnectionOut(connection); + connection.logoff(); + } + } + + @Override + public void verify(ConnectionOut connection, String from, String type, String sid) { + if (from != null && from.equals(connection.to.toEscapedString()) && sid != null && !sid.isEmpty() && type != null) { + getConnectionIn(sid).ifPresent(c -> c.sendDialbackResult(Jid.of(from), type)); + } + } + + @Override + public void dialbackError(ConnectionOut connection, StreamError error) { + logger.warn("Stream error from {}: {}", connection.getStreamID(), error.getCondition()); + removeConnectionOut(connection); + connection.logoff(); + } + + @Override + public void finished(ConnectionOut connection, boolean dirty) { + logger.warn("stream to {} {} finished, dirty={}", connection.to, connection.getStreamID(), dirty); + removeConnectionOut(connection); + connection.logoff(); + } + + @Override + public void exception(ConnectionOut connection, Exception ex) { + logger.error("s2s out exception: {} {}, exception {}", connection.to, connection.getStreamID(), ex); + removeConnectionOut(connection); + connection.logoff(); + } + + @Override + public void ready(ConnectionOut connection) { + logger.debug("stream to {} {} ready", connection.to, connection.getStreamID()); + String cache = getFromCache(connection.to); + if (cache != null) { + logger.debug("stream to {} {} sending cache", connection.to, connection.getStreamID()); + connection.send(cache); + } + } + + @Override + public boolean securing(ConnectionOut connection) { + return !Arrays.asList(brokenSSLhosts).contains(connection.to.toEscapedString()); + } + + public 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; + } + + public Jid getJid() { + return jid; + } + @Scheduled(fixedDelay = 10000) + public void cleanUp() { + Instant now = Instant.now(); + outConnections.keySet().stream().filter(c -> Duration.between(now, c.getUpdated()).toMinutes() > TIMEOUT_MINUTES) + .forEach(c -> { + logger.info("closing idle outgoing connection to {}", c.to); + c.logoff(); + outConnections.remove(c); + }); + + inConnections.stream().filter(c -> Duration.between(now, c.updated).toMinutes() > TIMEOUT_MINUTES) + .forEach(c -> { + logger.info("closing idle incoming connection from {}", c.from); + c.closeConnection(); + inConnections.remove(c); + }); + } + @PreDestroy + public void preDestroy() { + closeFlag.set(true); + } +} diff --git a/juick-server-xmpp/src/main/java/com/juick/server/xmpp/helpers/CommandResult.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/helpers/CommandResult.java new file mode 100644 index 00000000..f952b579 --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/helpers/CommandResult.java @@ -0,0 +1,28 @@ +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-xmpp/src/main/java/com/juick/server/xmpp/helpers/XMPPStatus.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/helpers/XMPPStatus.java new file mode 100644 index 00000000..7978ceb3 --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/helpers/XMPPStatus.java @@ -0,0 +1,48 @@ +/* + * 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-xmpp/src/main/java/com/juick/server/xmpp/helpers/annotation/UserCommand.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/helpers/annotation/UserCommand.java new file mode 100644 index 00000000..383383c9 --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/helpers/annotation/UserCommand.java @@ -0,0 +1,50 @@ +/* + * 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-xmpp/src/main/java/com/juick/server/xmpp/router/Stream.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/router/Stream.java new file mode 100644 index 00000000..7532443c --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/router/Stream.java @@ -0,0 +1,184 @@ +/* + * 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-xmpp/src/main/java/com/juick/server/xmpp/router/StreamComponentServer.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/router/StreamComponentServer.java new file mode 100644 index 00000000..5e2f6f82 --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/router/StreamComponentServer.java @@ -0,0 +1,58 @@ +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-xmpp/src/main/java/com/juick/server/xmpp/router/StreamError.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/router/StreamError.java new file mode 100644 index 00000000..7eacfc94 --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/router/StreamError.java @@ -0,0 +1,44 @@ +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-xmpp/src/main/java/com/juick/server/xmpp/router/StreamHandler.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/router/StreamHandler.java new file mode 100644 index 00000000..43836c2d --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/router/StreamHandler.java @@ -0,0 +1,13 @@ +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-xmpp/src/main/java/com/juick/server/xmpp/router/StreamNamespaces.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/router/StreamNamespaces.java new file mode 100644 index 00000000..1b9b1965 --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/router/StreamNamespaces.java @@ -0,0 +1,10 @@ +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-xmpp/src/main/java/com/juick/server/xmpp/router/XMPPError.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/router/XMPPError.java new file mode 100644 index 00000000..0cf9a3bc --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/router/XMPPError.java @@ -0,0 +1,73 @@ +/* + * 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-xmpp/src/main/java/com/juick/server/xmpp/router/XMPPRouter.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/router/XMPPRouter.java new file mode 100644 index 00000000..a262e941 --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/router/XMPPRouter.java @@ -0,0 +1,176 @@ +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-xmpp/src/main/java/com/juick/server/xmpp/router/XmlUtils.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/router/XmlUtils.java new file mode 100644 index 00000000..7579489f --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/router/XmlUtils.java @@ -0,0 +1,88 @@ +/* + * 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-xmpp/src/main/java/com/juick/server/xmpp/s2s/CacheEntry.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/s2s/CacheEntry.java new file mode 100644 index 00000000..33e875bd --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/s2s/CacheEntry.java @@ -0,0 +1,40 @@ +/* + * 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-xmpp/src/main/java/com/juick/server/xmpp/s2s/Connection.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/s2s/Connection.java new file mode 100644 index 00000000..6bf61169 --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/s2s/Connection.java @@ -0,0 +1,139 @@ +/* + * 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-xmpp/src/main/java/com/juick/server/xmpp/s2s/ConnectionIn.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/s2s/ConnectionIn.java new file mode 100644 index 00000000..9ee81d4d --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/s2s/ConnectionIn.java @@ -0,0 +1,213 @@ +/* + * 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-xmpp/src/main/java/com/juick/server/xmpp/s2s/ConnectionListener.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/s2s/ConnectionListener.java new file mode 100644 index 00000000..fde7a0e7 --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/s2s/ConnectionListener.java @@ -0,0 +1,15 @@ +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-xmpp/src/main/java/com/juick/server/xmpp/s2s/ConnectionOut.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/s2s/ConnectionOut.java new file mode 100644 index 00000000..e3bd53e9 --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/s2s/ConnectionOut.java @@ -0,0 +1,167 @@ +/* + * 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-xmpp/src/main/java/com/juick/server/xmpp/s2s/DNSQueries.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/s2s/DNSQueries.java new file mode 100644 index 00000000..1367d333 --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/s2s/DNSQueries.java @@ -0,0 +1,65 @@ +/* + * 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-xmpp/src/main/java/com/juick/server/xmpp/s2s/StanzaListener.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/s2s/StanzaListener.java new file mode 100644 index 00000000..6932298f --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/s2s/StanzaListener.java @@ -0,0 +1,28 @@ +/* + * 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-xmpp/src/main/java/com/juick/server/xmpp/s2s/util/DialbackUtils.java b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/s2s/util/DialbackUtils.java new file mode 100644 index 00000000..d25dbad8 --- /dev/null +++ b/juick-server-xmpp/src/main/java/com/juick/server/xmpp/s2s/util/DialbackUtils.java @@ -0,0 +1,37 @@ +/* + * 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); + } +} diff --git a/juick-server-xmpp/src/main/resources/juick.png b/juick-server-xmpp/src/main/resources/juick.png Binary files differnew file mode 100644 index 00000000..c85ef2c4 --- /dev/null +++ b/juick-server-xmpp/src/main/resources/juick.png |
