meta-horizonn-fca-huh/src/changeAvtV2.js

Facebook-Chat-API Protect and Deploy by Kanzu and HZI Team. Kem is redeveloped. Rename package is Meta Horizonn and package supported ChatBot Messenger. and make it lightweight package by jonell huh

"use strict";

var utils = require("../utils");
var log = require("npmlog");

module.exports = function (http, api, ctx) {
  function handleUpload(image) {
    var cb;
    var nextURL = 'https://www.facebook.com/profile/picture/upload/';
    var returnPromise = new Promise(function (resolve, reject) {
      cb = function (error, data) {
        data ? resolve(data) : reject(error);
      }
    });

    if (!utils.isReadableStream(image)) 
      cb('Image is not a readable stream');

    http
      .postFormData(nextURL, ctx.jar, {
        profile_id: ctx.userID,
        photo_source: 57,
        av: ctx.userID,
        file: image
      })
      .then(utils.parseAndCheckLogin(ctx, http))
      .then(function (res) {
        if (res.error) 
          throw res;
        return cb(null, res);
      })
      .catch(cb);

    return returnPromise;
  }

  return function changeAvatar(image, caption = "", timestamp = null, callback) {
    var cb;
    var returnPromise = new Promise(function (resolve, reject) {
      cb = function (error, data) {
        data ? resolve(data) : reject(error);
      }
    });

    if (typeof caption == 'number') {
      timestamp = caption;
      caption = '';
    }
    if (typeof caption == 'function') {
      callback = caption;
      caption = '';
    }
    if (typeof timestamp == 'function') {
      callback = timestamp;
      timestamp = null;
    }
    if (typeof callback == 'function') cb = callback;

    handleUpload(image)
      .then(function (res) {
        var form = {
          fb_api_req_friendly_name: "ProfileCometProfilePictureSetMutation",
          doc_id: "5066134240065849",
          variables: JSON.stringify({
            input: {
              caption,
              existing_photo_id: res.payload.fbid,
              expiration_time: timestamp,
              profile_id: ctx.userID,
              profile_pic_method: "EXISTING",
              profile_pic_source: "TIMELINE",
              scaled_crop_rect: {
                height: 1,
                width: 1,
                x: 0,
                y: 0
              },
              skip_cropping: true,
              actor_id: ctx.userID,
              client_mutation_id: Math.round(Math.random() * 19).toString()
            },
            isPage: false,
            isProfile: true,
            scale: 3
          }),
          fb_api_caller_class: "RelayModern"
        }
        return http
          .post('https://www.facebook.com/api/graphql', ctx.jar, form)
          .then(utils.parseAndCheckLogin(ctx, http));
      })
      .then(function (res) {
        if (res.errors) 
          throw res;
        return cb(null, (res[0] || res).data.profile_picture_set.profile);
      })
      .catch(function (err) {
        log.error('changeAvaV2', err);
        return cb(err);
      });
    return returnPromise;
  }
}