chomens-bot-js/util/chat.js

/* eslint-disable max-len */
/**
 * for the chat packet listener (in util cuz proxy + bot)
 * @param {object} packet chat packet
 * @param {object} ChatMessage basically just require prismarine-chat
 * @param {object} bot bot
 */
function chatPacketListener (packet, ChatMessage, bot) {
  // 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)

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

  }
};

/**
 * parse player messages (for prismarine-chat)
 * @param {object} message prismarine-chat ChatMessage
 * @param {object} packet chat packet
 * @param {object} bot bot
 */
function parsePlayerMessages (message, packet, bot) {
  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)) {
      const username = raw.replace(/.*?\[.*?\] /g, '').replace(/:.*/g, '').replace(/§#....../gm, '')
      const message = raw.split(': ')[1]
      bot.emit('message', username, message, packet.sender)
    } else if (raw.match(/.* .*\u203a .*/g)) {
      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)) {
      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(/<.*> .*/g)) {
      const username = raw.substring(1).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) {

  }
};

module.exports = { chatPacketListener, parsePlayerMessages }