chomens-bot-js/plugins/chat.js

/* eslint-disable max-len */
/* eslint-disable require-jsdoc */
// eslint-disable-next-line no-undef
// const parse = require('../util/text_parser');
const {containsIllegalCharacters} = require('../util/containsIllegalCharacters');
function inject(bot) {
  bot.chatQueue = [];

  const chatQueue = setInterval(function() {
    try {
      if (bot.chatQueue[0] || bot.chatQueue[0] === '') {
        try {
          if (containsIllegalCharacters(bot.chatQueue[0])) {
            bot.chatQueue.shift();
            return;
          };
          bot.write('chat', {message: bot.chatQueue[0].substring(0, 256)});
          bot.chatQueue.shift();
        } catch (e) {
          bot.console.error(e);
        }
      }
    } catch (e) {
      return;
    }
  }, 450);

  bot.chat = (message) => {
    bot.chatQueue.push(String(message));
  };

  bot.once('end', () => {
    clearInterval(chatQueue);
  });

  let previousMessage;
  const ChatMessage = require('prismarine-chat')(bot.version);

  bot._client.on('chat', async (packet) => {
    // try catch prevents hi % exploit (it uses prismarine-chat)
    // and try catch also prevents json parse error
    try {
      const parsedMessage = JSON.parse(packet.message);
      if (parsedMessage.translate === 'translation.test.invalid' ||
          parsedMessage.translate === 'translation.test.invalid2') return;

      // down here it prevents command set message

      // for ayunboom cuz its 1.17.1
      // VVVVVVVVVVVVVVVVVVVVVVVVVVVV
      if (parsedMessage.extra) {
        if (parsedMessage.extra[0].text === 'Command set: ') return;
      }
      // for 1.18 or newer(?)
      // VVVVVVVVVVVVVVVVVVVVV
      if (parsedMessage.translate === 'advMode.setCommand.success') return;

      const message = ChatMessage.fromNotch(packet.message);

      // before emitting, prevent spam first!!!
      if (previousMessage === message.toString()) return;
      previousMessage = message.toString();

      bot.emit('parsed_chat', message, packet);
    } catch (e) {
      return;
    }
  });

  bot.on('parsed_chat', (message, packet) => {
    try {
      // prevent braille cuz it CRASHES THE ENTIRE LAPTOP
      // but sometimes this may not work
      if (message.toString().includes('⣿')) return;

      // then here is all the player message parsing thing
      const raw = message.toMotd().substring(0, 32767);
      if (raw.match(/.* .*: .*/g)) {
        // if (packet.sender === '00000000-0000-0000-0000-000000000000') return;
        const username = raw.replace(/.*?\[.*?\] /, '').replace(/:.*/g, '').replace(/§#....../gm, '');
        const message = raw.split(': ')[1];
        bot.emit('message', username, message, packet.sender);
      } else if (raw.match(/.* .*\u203a .*/g)) {
        // if (packet.sender === '00000000-0000-0000-0000-000000000000') return;
        const username = raw.replace(/.*?\[.*?\] /g, '').replace(/\u203a.*/g, '').replace(/§#....../gm, '').split(' ')[0];
        const message = raw.split('\u203a ')[1].substring(2);
        bot.emit('message', username, message, packet.sender);
      } else if (raw.match(/.* .*\u00BB .*/g)) {
        // if (packet.sender === '00000000-0000-0000-0000-000000000000') return;
        const username = raw.replace(/.*?\[.*?\] /g, '').replace(/\u00BB.*/g, '').replace(/§#....../gm, '').split(' ')[0];
        const message = raw.split('\u00BB ')[1].substring(2);
        bot.emit('message', username, message, packet.sender);
      } else if (raw.match(/<.*§r> .*/g)) {
        // if (packet.sender === '00000000-0000-0000-0000-000000000000') return;

        const username = raw.substring(3).split('§r>')[0];
        const message = raw.split('§r> ')[1];

        bot.emit('message', username, message, packet.sender);
      } else if (raw.match(/<.*> .*/g)) {
        // if (packet.sender === '00000000-0000-0000-0000-000000000000') return;

        const username = raw.substring(3).split('>')[0];
        const message = raw.split('> ')[1];

        bot.emit('message', username, message, packet.sender);
      } else if (raw.match(/§.*§b: §b\/.*/g)) {
        const username = raw.split('§b: §b')[0];
        const command = raw.split('§b: §b')[1];

        bot.emit('cspy', username, command);
      } else if (raw.match(/§.*§e: §e\/.*/g)) {
        const username = raw.split('§e: §e')[0];
        const command = raw.split('§e: §e')[1];
        bot.emit('cspy', username, command);
      } else if (raw.match(/§.*§b: \/.*/g)) {
        const username = raw.split('§b: ')[0];
        const command = raw.split('§b: ')[1];

        bot.emit('cspy', username, command);
      } else if (raw.match(/§.*§e: \/.*/g)) {
        const username = raw.split('§e: ')[0];
        const command = raw.split('§e: ')[1];
        bot.emit('cspy', username, command);
      }
    } catch (e) {
      return;
    }
  });
}

module.exports = {inject};