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/*
* Copyright (C) 2008-2017, Juick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.juick.server;
import com.juick.User;
import com.juick.model.AnonymousUser;
import com.juick.model.CommandResult;
import com.juick.server.util.HttpUtils;
import com.juick.service.MessagesService;
import com.juick.service.TelegramService;
import com.juick.service.UserService;
import com.juick.service.component.LikeEvent;
import com.juick.service.component.MessageEvent;
import com.juick.service.component.MessageReadEvent;
import com.juick.service.component.NotificationListener;
import com.juick.service.component.PingEvent;
import com.juick.service.component.SubscribeEvent;
import com.juick.service.component.TopEvent;
import com.juick.util.MessageUtils;
import com.pengrad.telegrambot.Callback;
import com.pengrad.telegrambot.TelegramBot;
import com.pengrad.telegrambot.UpdatesListener;
import com.pengrad.telegrambot.model.Message;
import com.pengrad.telegrambot.model.MessageEntity;
import com.pengrad.telegrambot.model.PhotoSize;
import com.pengrad.telegrambot.model.Update;
import com.pengrad.telegrambot.model.request.ParseMode;
import com.pengrad.telegrambot.request.GetFile;
import com.pengrad.telegrambot.request.SendMessage;
import com.pengrad.telegrambot.request.SendPhoto;
import com.pengrad.telegrambot.request.SetWebhook;
import com.pengrad.telegrambot.response.GetFileResponse;
import com.pengrad.telegrambot.response.SendResponse;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.tuple.Pair;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.web.util.UriComponents;
import org.springframework.web.util.UriComponentsBuilder;
import javax.annotation.Nonnull;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
import java.io.IOException;
import java.net.URI;
import java.net.URL;
import java.util.*;
import static com.juick.formatters.PlainTextFormatter.formatPost;
import static com.juick.formatters.PlainTextFormatter.formatUrl;
/**
* Created by vt on 12/05/16.
*/
public class TelegramBotManager implements NotificationListener {
private static final Logger logger = LoggerFactory.getLogger("Telegram");
private TelegramBot bot;
@Value("${telegram_api_url:}")
private String apiUrl;
@Value("${telegram_file_api_url:}")
private String fileApiUrl;
@Value("${telegram_webhook_url:}")
private String webhookUrl;
@Value("${telegram_token:12345678}")
private String telegramToken;
@Value("${telegram_debug:false}")
private boolean telegramDebug;
@Inject
private TelegramService telegramService;
@Inject
private MessagesService messagesService;
@Inject
private UserService userService;
@Inject
private CommandsManager commandsManager;
@Inject
private ApplicationEventPublisher applicationEventPublisher;
@Value("${upload_tmp_dir:#{systemEnvironment['TEMP'] ?: '/tmp'}}")
private String tmpDir;
private static final String MSG_LINK = "🔗";
@PostConstruct
public void init() {
TelegramBot.Builder tgBuilder = new TelegramBot.Builder(telegramToken);
if (StringUtils.isNotEmpty(apiUrl)) {
tgBuilder.apiUrl(apiUrl).fileApiUrl(fileApiUrl);
}
bot = tgBuilder.build();
if (!telegramDebug) {
try {
SetWebhook webhook = new SetWebhook().url(webhookUrl);
if (!bot.execute(webhook).isOk()) {
logger.error("error setting webhook");
}
} catch (Exception e) {
logger.warn("couldn't initialize telegram bot", e);
}
} else {
bot.setUpdatesListener(updates -> {
logger.info("got updates: {}", updates);
updates.forEach(this::processUpdate);
return UpdatesListener.CONFIRMED_UPDATES_ALL;
});
}
}
public void processUpdate(Update update) {
logger.debug("Update: {}", update);
Message message = update.message();
if (update.message() == null) {
message = update.editedMessage();
if (message == null) {
logger.error("error parsing telegram update: {}", update);
return;
}
User user_from = userService.getUserByUID(telegramService.getUser(message.chat().id())).orElse(AnonymousUser.INSTANCE);
logger.info("Found juick user {}", user_from.getUid());
Optional<Pair<Integer, Integer>> originalMessageData = messagesService.findMessageByProperty("durovId",
String.valueOf(message.messageId()));
if (originalMessageData.isPresent()) {
int mid = originalMessageData.get().getLeft();
int rid = originalMessageData.get().getRight();
// TODO: this is copypaste from api, need switch to api
com.juick.Message originalMessage = rid == 0 ? messagesService.getMessage(mid).orElseThrow(IllegalStateException::new)
: messagesService.getReply(mid, rid);
User author = originalMessage.getUser();
String newMessageText = StringUtils.defaultString(message.text());
if (user_from.equals(author) && canUpdateMessage(originalMessage, newMessageText)) {
if (messagesService.updateMessage(mid, rid, newMessageText)) {
telegramNotify(message.chat().id(), "Message updated", new com.juick.Message());
return;
}
}
telegramNotify(message.chat().id(), "Error updating message", new com.juick.Message());
}
} else {
User user_from = userService.getUserByUID(telegramService.getUser(message.chat().id())).orElse(AnonymousUser.INSTANCE);
logger.info("Found juick user {}", user_from.getUid());
String username = message.from().username();
if (username == null) {
username = message.from().firstName();
}
if (!user_from.isAnonymous()) {
URI attachment = URI.create(StringUtils.EMPTY);
if (message.photo() != null) {
String fileId = Arrays.stream(message.photo()).max(Comparator.comparingInt(PhotoSize::fileSize))
.orElse(new PhotoSize()).fileId();
if (StringUtils.isNotEmpty(fileId)) {
GetFile request = new GetFile(fileId);
GetFileResponse response = bot.execute(request);
logger.info("got file {}", response.file());
try {
URL fileURL = new URL(bot.getFullFilePath(response.file()));
attachment = HttpUtils.downloadImage(fileURL, tmpDir);
} catch (Exception e) {
logger.warn("attachment exception", e);
}
logger.info("received {}", attachment);
}
}
String text = message.text();
if (StringUtils.isBlank(text)) {
text = message.caption();
}
if (StringUtils.isBlank(text)) {
text = StringUtils.EMPTY;
}
if (StringUtils.isNotEmpty(text) || StringUtils.isNotEmpty(attachment.toString())) {
if (text.equalsIgnoreCase("LOGIN")
|| text.equalsIgnoreCase("PING")
|| text.equalsIgnoreCase("HELP")
|| text.equalsIgnoreCase("/login")
|| text.equalsIgnoreCase("/logout")
|| text.equalsIgnoreCase("/start")
|| text.equalsIgnoreCase("/help")) {
String msgUrl = "http://juick.com/login?hash=" + userService.getHashByUID(user_from.getUid());
String msg = String.format("Hi, %s!\nYou can post messages and images to Juick there.\n" +
"Tap to [log into website](%s) to get more info", user_from.getName(), msgUrl);
telegramNotify(message.from().id().longValue(), msg, new com.juick.Message());
} else {
Message replyMessage = message.replyToMessage();
if (replyMessage != null) {
MessageEntity[] entities = replyMessage.entities();
if (entities == null) {
entities = replyMessage.captionEntities();
}
if (entities != null) {
Optional<MessageEntity> juickLink = Arrays.stream(entities)
.filter(this::isJuickLink)
.findFirst();
if (juickLink.isPresent()) {
if (StringUtils.isNotEmpty(juickLink.get().url())) {
UriComponents uriComponents = UriComponentsBuilder.fromUriString(
juickLink.get().url()).build();
String path = uriComponents.getPath();
if (StringUtils.isNotEmpty(path) && path.length() > 1) {
int mid = 0;
try {
mid = Integer.valueOf(path.substring(3));
} catch (NumberFormatException e) {
logger.warn("wrong mid received");
return;
}
String prefix = String.format("#%d ", mid);
if (StringUtils.isNotEmpty(uriComponents.getFragment())) {
int rid = Integer.valueOf(uriComponents.getFragment());
prefix = String.format("#%d/%d ", mid, rid);
}
executeCommand(message.messageId(), message.from().id().longValue(),
user_from, prefix + text, attachment);
} else {
logger.warn("invalid path: {}", path);
}
} else {
logger.warn("invalid entity: {}", juickLink);
}
} else {
telegramNotify(message.from().id().longValue(),
"Can not reply to this message", replyMessage.messageId(), new com.juick.Message());
}
} else {
telegramNotify(message.from().id().longValue(),
"Can not reply to this message", replyMessage.messageId(), new com.juick.Message());
}
} else {
executeCommand(message.messageId(), message.from().id().longValue(),
user_from, text, attachment);
}
}
}
messagesService.getUnread(user_from).forEach(mid -> messagesService.setRead(user_from, mid));
} else {
List<Long> chats = telegramService.getAnonymous();
if (!chats.contains(message.chat().id())) {
logger.info("added chat with {}", username);
telegramService.createTelegramUser(message.from().id(), username);
}
telegramSignupNotify(message.from().id().longValue(), userService.getSignUpHashByTelegramID(message.from().id().longValue(), username));
}
}
}
/*
validate user input
*/
private boolean canUpdateMessage(com.juick.Message message, String newData) {
if (StringUtils.isEmpty(newData)) {
// allow empty text only when image is present
return StringUtils.isNotEmpty(message.getAttachmentType());
}
return true;
}
private void executeCommand(Integer messageId, Long userId, User user_from, String text, URI attachment) {
try {
CommandResult result = commandsManager.processCommand(user_from, text, attachment);
if (result.getNewMessage().isPresent()) {
com.juick.Message newMessage = result.getNewMessage().get();
messagesService.setMessageProperty(newMessage.getMid(), newMessage.getRid(), "durovId",
String.valueOf(messageId));
}
String messageTxt = StringUtils.isNotEmpty(result.getMarkdown()) ? result.getMarkdown()
: "Unknown error or unsupported command";
telegramNotify(userId, messageTxt, new com.juick.Message());
} catch (Exception e) {
logger.warn("telegram exception", e);
}
}
private boolean isJuickLink(MessageEntity e) {
return e.offset() == 0 && e.type().equals(MessageEntity.Type.text_link) && e.length() == 2;
}
public void telegramNotify(Long chatId, String msg, @Nonnull com.juick.Message source) {
telegramNotify(chatId, msg, 0, source);
}
public void telegramNotify(Long chatId, String msg, Integer replyTo, @Nonnull com.juick.Message source) {
String attachment = MessageUtils.attachmentUrl(source);
boolean isSendTxt = true;
if (!StringUtils.isEmpty(attachment)) {
SendPhoto telegramPhoto = new SendPhoto(chatId, attachment);
if (replyTo > 0) {
telegramPhoto.replyToMessageId(replyTo);
}
telegramPhoto.parseMode(ParseMode.Markdown);
if(msg.length() < 1024) {
telegramPhoto.caption(msg);
isSendTxt = false;
}
bot.execute(telegramPhoto, new Callback<>() {
@Override
public void onResponse(SendPhoto request, SendResponse response) {
processTelegramResponse(chatId, response, source);
}
@Override
public void onFailure(SendPhoto request, IOException e) {
logger.warn("telegram failure", e);
}
});
}
if (isSendTxt){
SendMessage telegramMessage = new SendMessage(chatId, msg);
if (replyTo > 0) {
telegramMessage.replyToMessageId(replyTo);
}
telegramMessage.parseMode(ParseMode.Markdown).disableWebPagePreview(true);
bot.execute(telegramMessage, new Callback<>() {
@Override
public void onResponse(SendMessage request, SendResponse response) {
processTelegramResponse(chatId, response, source);
}
@Override
public void onFailure(SendMessage request, IOException e) {
logger.warn("telegram failure", e);
}
});
}
}
private void processTelegramResponse(Long chatId, SendResponse response, com.juick.Message source) {
int userId = telegramService.getUser(chatId);
if (!response.isOk()) {
if (response.errorCode() == 403) {
// remove from anonymous users
telegramService.getAnonymous().stream().filter(c -> c.equals(chatId)).findFirst().ifPresent(
d -> {
telegramService.deleteAnonymous(d);
logger.info("deleted {} chat", d);
}
);
if (userId > 0) {
User userToDelete = userService.getUserByUID(userId)
.orElseThrow(IllegalStateException::new);
boolean status = telegramService.deleteTelegramUser(userToDelete.getUid());
logger.info("deleting telegram id of @{} : {}", userToDelete.getName(), status);
}
} else {
logger.warn("error response, isOk: {}, errorCode: {}, description: {}",
response.isOk(), response.errorCode(), response.description());
}
} else {
if (MessageUtils.isReply(source)) {
messagesService.setLastReadComment(userService.getUserByUID(userId)
.orElseThrow(IllegalStateException::new), source.getMid(), source.getRid());
User user = userService.getUserByUID(userId).orElseThrow(IllegalStateException::new);
userService.updateLastSeen(user);
applicationEventPublisher.publishEvent(
new MessageReadEvent(this, user, source));
}
}
}
public void telegramSignupNotify(Long telegramId, String hash) {
bot.execute(new SendMessage(telegramId,
String.format("You are subscribed to all Juick messages. " +
"[Create or link](http://juick.com/signup?type=durov&hash=%s) " +
"an existing Juick account to get your subscriptions and ability to post messages", hash))
.parseMode(ParseMode.Markdown), new Callback<>() {
@Override
public void onResponse(SendMessage request, SendResponse response) {
logger.info("got response: {}", response.message());
}
@Override
public void onFailure(SendMessage request, IOException e) {
logger.warn("telegram failure", e);
}
});
}
@Override
public void processMessageEvent(MessageEvent messageEvent) {
com.juick.Message jmsg = messageEvent.getMessage();
List<User> subscribedUsers = messageEvent.getUsers();
if (jmsg.isService()) {
return;
}
String msgUrl = formatUrl(jmsg);
if (MessageUtils.isPM(jmsg)) {
telegramService.getTelegramIdentifiers(Collections.singletonList(jmsg.getTo()))
.forEach(c -> telegramNotify(c, formatPost(jmsg, true), jmsg));
} else if (MessageUtils.isReply(jmsg)) {
String fmsg = String.format("[%s](%s) %s", MSG_LINK, msgUrl, formatPost(jmsg, true));
telegramService.getTelegramIdentifiers(
subscribedUsers
).forEach(c -> telegramNotify(c, fmsg, jmsg));
} else {
String msg = String.format("[%s](%s) %s", MSG_LINK, msgUrl, formatPost(jmsg, true));
List<Long> users = telegramService.getTelegramIdentifiers(subscribedUsers);
List<Long> chats = telegramService.getAnonymous();
// registered subscribed users
users.forEach(c -> telegramNotify(c, msg, jmsg));
// anonymous
chats.stream().filter(u -> telegramService.getUser(u) == 0).forEach(c -> telegramNotify(c, msg, jmsg));
}
}
@Override
public void processLikeEvent(LikeEvent likeEvent) {
User liker = likeEvent.getUser();
com.juick.Message message = likeEvent.getMessage();
List<User> subscribers = likeEvent.getSubscribers();
logger.info("Like received in tg listener");
if (!userService.isInBLAny(message.getUser().getUid(), liker.getUid())) {
telegramService.getTelegramIdentifiers(Collections.singletonList(message.getUser()))
.forEach(c -> telegramNotify(c, String.format("%s recommends your [post](%s)",
MessageUtils.getMarkdownUser(liker), formatUrl(message)), new com.juick.Message()));
}
telegramService.getTelegramIdentifiers(subscribers)
.forEach(c -> telegramNotify(c, String.format("%s recommends you someone's [post](%s)",
MessageUtils.getMarkdownUser(liker), formatUrl(message)), new com.juick.Message()));
}
@Override
public void processPingEvent(PingEvent pingEvent) {
}
@Override
public void processMessageReadEvent(MessageReadEvent messageReadEvent) {
}
@Override
public void processTopEvent(TopEvent topEvent) {
com.juick.Message message = topEvent.getMessage();
telegramService.getTelegramIdentifiers(Collections.singletonList(message.getUser()))
.forEach(c -> telegramNotify(c, String.format("Your [post](%s) became popular!",
formatUrl(message)), new com.juick.Message()));
}
@Override
public void processSubscribeEvent(SubscribeEvent subscribeEvent) {
User subscriber = subscribeEvent.getUser();
User target = subscribeEvent.getToUser();
telegramService.getTelegramIdentifiers(Collections.singletonList(target))
.forEach(c -> telegramNotify(c, String.format("%s subscribed to your blog",
MessageUtils.getMarkdownUser(subscriber)), new com.juick.Message()));
}
}
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