A simple Discord Self-bot using console

selfbot.js

'use strict'

/**
 * Discord Console Self bot
 *
 * Open chrome console on Discord using Ctrl+shift+i
 * Go to the network tab, send a message and copy the 'Authorize' header sent by the app.
 * Paste it in authHeader below.
 *
 * Paste the entire script in the console.
 * Now use the provided functions to do some stuff using api.func().
 */


// If vars not declared, declare them. We are in console, var could already be defined.
if (typeof authHeader === 'undefined') {
  var authHeader = ''
  var apiPrefix = ''
  var api = ''
  var timeout = ''
  var apiCall = ''
  var setup = ''
}

// You 'Authorize' token here
authHeader = ''

apiPrefix = 'https://discordapp.com/api/v6'

timeout = ms => new Promise(res => setTimeout(res, ms))

apiCall = (apiPath, body, method = 'GET') =>
  fetch(apiPrefix + apiPath, {
    body: body ? JSON.stringify(body) : undefined,
    headers: {
      Accept: '*/*',
      'Accept-Language': 'en-US',
      Authority: 'discordapp.com',
      Authorization: authHeader,
      'Content-Type': 'application/json',
      'User-Agent':
        'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) discord/0.0.301 Chrome/56.0.2924.87 Discord/1.6.15 Safari/537.36'
    },
    method
  })
    .then(res => (res.status === 200 ? res.json() : Promise.resolve()))
    .catch(console.error)

// Self bot API
api = {
  // Get messages from channel
  getMessages(channelId) {
    return apiCall(`/channels/${channelId}/messages?limit=100`)
  },

  // Send a message in a channel
  sendMessage(channelId, message, tts) {
    return apiCall(`/channels/${channelId}/messages`, { content: message, tts: !!tts }, 'POST')
  },

  // Edit a message in a channel
  editMessage(channelId, messageId, newMessage) {
    return apiCall(`/channels/${channelId}/messages/${messageId}`, { content: newMessage }, 'PATCH')
  },

  // Delete a message from a channel
  deleteMessage(channelId, messageId) {
    return apiCall(`/channels/${channelId}/messages/${messageId}`, null, 'DELETE')
  }
}


// Examples
/*
setup = async () => {
  // Get messages
  const test1 = await api.getMessages('channel_id')
  console.log(test1)
  await timeout(3000)

  // Send a message
  const test2 = await api.sendMessage('channel_id', 'your_message')
  console.log(test2)
  await timeout(3000)

  // Edit a message
  const test3 = await api.editMessage('channel_id', 'message_id', 'your_new_message')
  console.log(test3)
  await timeout(3000)

  // Delete a message
  const test4 = await api.deleteMessage('channel_id', 'message_id')
  console.log(test4)
}

setup()
*/