cky-image-public/lib/imgbox.js

public image to public host

const fs = require("fs");
const cheerio = require('cheerio');
const async = require('async');
const request = require('request').defaults({
  headers: {
    'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36',
    Origin: 'https://imgbox.com',
    'Accept-Encoding': 'gzip, deflate, br',
    'Accept-Language': 'en-US,en;q=0.9,vi;q=0.8,fr-FR;q=0.7,fr;q=0.6,la;q=0.5',
    Accept: 'application/json, text/javascript, */*; q=0.01',
    Referer: 'https://imgbox.com/',
    'X-Requested-With': 'XMLHttpRequest',
    Connection: 'keep-alive',
    DNT: 1
  },
  jar: true
});

let helper = require('../helper');

class Imgbox {
  constructor (options = {}) {
    let { api_key } = options;
    this.api_key = api_key;

    this.cookie = request.jar();
  }

  upload (imgPath, callback) {
    this.generateToken((err, token) => {
      if (err) return callback(err, token);

      // {"ok":true,"token_id":467486223,"token_secret":"tLs7JnJ2xnlrwtMn","gallery_id":"q6vdFviLRY","gallery_secret":"f8GB0S9t1PFVWMO4"}

      let { token_id, token_secret, gallery_id, gallery_secret, csrf_token } = token;

      request({
        url: 'https://imgbox.com/upload/process',
        method: 'POST',
        headers: {
          'X-CSRF-Token': csrf_token,
          'Content-Type': 'multipart/form-data'
        },
        jar: this.cookie,
        formData: {
          token_id,
          token_secret,
          content_type: 1,
          thumbnail_size: '100c',
          gallery_id,
          gallery_secret,
          comments_enabled: 0,
          'files[]': {
            value: fs.createReadStream(imgPath),
            options: {
              filename: imgPath,
              contentType: 'image/jpeg'
            }
          },
        }
      }, (err, response, body) => {
        if (err) return callback('EUPLOAD', err);
        body = helper.safeParse(body);
        return callback(null, body);
      });
    });
  }

  generateToken (callback) {
    async.waterfall([
      (next) => {
        request({
          url: 'https://imgbox.com/',
          method: 'GET',
          headers: {
            'Upgrade-Insecure-Requests': 1,
            Accept: 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3'
          },
          jar: this.cookie
        }, (err, response, body) => {
          if (err) return callback('EGETHOMEPAGE', err);

          let $ = cheerio.load(body);
          let csrf_token = $('[name="csrf-token"]').attr('content');

          if (!csrf_token || csrf_token.length == 0) return next('EGETCSRFTOKEN');

          return next(null, csrf_token);
        })
      },
      (csrf_token, next) => {
        console.log('csrf_token=', csrf_token);

        request({
          url: 'https://imgbox.com/ajax/token/generate',
          method: 'POST',
          headers: {
            'X-CSRF-Token': csrf_token,
            'Content-Type': 'application/x-www-form-urlencoded'
          },
          jar: this.cookie,
          form: {
            gallery: true,
            gallery_title: '',
            comments_enabled: 1
          }
        }, (err, response, body) => {
          if (err) return next('EGENERATETOKEN', err);
          body = helper.safeParse(body);

          if (!body) return next('EGENERATETOKEN_PARSEBODY');
          body['csrf_token'] = csrf_token;
          /*
            {"ok":true,"token_id":467486223,"token_secret":"tLs7JnJ2xnlrwtMn","gallery_id":"q6vdFviLRY","gallery_secret":"f8GB0S9t1PFVWMO4"}
          */
          return next(null, body);
        });
      }
    ], callback);
  }
}

module.exports = Imgbox;