meta-horizonn-fca-huh/src/changeAvt.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");
/**
 * It posts an image to a Facebook profile
 * @param Api - The API object
 * @param BotID - The ID of the bot you want to post the image to.
 * @param form - The form data that you want to send.
 * @returns The JSON.parse(Data.split("for (;;);")[1]); is returning the following:
 * {"__ar":1,"payload":null,"jsmods":{"require":[["ImageUploader","uploadPhoto",[{"__m":"__elem_0"},{"__m":"__elem_1"},{"__m":"__elem_2"},{"__m":"__
 */
async function postImage(Api, BotID, form) {
    var Data = await Api.httpPostFormData(`https://www.facebook.com/profile/picture/upload/?profile_id=${BotID}&photo_source=57&av=${BotID}`, form);
    return JSON.parse(Data.split("for (;;);")[1]);
}

module.exports = function(defaultFuncs, api, ctx) {
/* Changing the profile picture of the bot. */
    return function changeAvt(link, caption, callback) {
        var resolveFunc = function() {};
        var rejectFunc = function() {};
        var returnPromise = new Promise(function(resolve, reject) {
            resolveFunc = resolve;
            rejectFunc = reject;
        });

        if (!callback) {
            callback = function(err, data) {
                if (err) return rejectFunc(err);
                resolveFunc(data);
            };
        }
        try {
            var Fetch = require('axios')
            Fetch.get(link, { responseType: "stream" }).then(data => { 
                postImage(api, ctx.userID, { file: data.data }).then(data => {
                    if (data.error) throw new Error({ error: data.error, des: data.error.errorDescription });
                    var form = {
                        av: ctx.userID,
                            fb_api_req_friendly_name: "ProfileCometProfilePictureSetMutation",
                            fb_api_caller_class: "RelayModern",
                            doc_id: "5066134240065849",
                            variables: JSON.stringify({
                                input: {
                                    caption: (caption || ""),
                                    existing_photo_id: data.payload.fbid,
                                    expiration_time: null,
                                    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,
                        })
                    };
                    defaultFuncs
                        .post("https://www.facebook.com/api/graphql/", ctx.jar, form)
                        .then(utils.parseAndCheckLogin(ctx, defaultFuncs))
                        .then(function(resData) {
                            if (resData.error) throw resData;
                            else return callback(null,true)
                        })
                        .catch(function(err) {
                        return callback(err);
                    });
                })
            })  
        }
        catch (e) {
            throw e;
        }
        return returnPromise;
    };
};