init.js

   1 const fetch = require("node-fetch")
   2 const cheerio = require("cheerio")
   3 const jsonic = require("jsonic")
   4
   5 const makeImage = elem => {
   6         return {
   7                 url: elem[0],
   8                 size: {
   9                         width: elem[2],
  10                         height: elem[1],
  11                 }
  12         }
  13 }
  14
  15 module.exports.search = (query, userAgent = "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:97.0) Gecko/20100101 Firefox/97.0") => {
  16         return fetch("https://www.google.com/search?tbm=isch&q=" + encodeURIComponent(query), {headers: {"User-Agent": userAgent}})
  17                 .then(res => res.text())
  18                 .then(data => cheerio.load(data, null, false))
  19                 .then(content => content("script"))
  20                 .then(scripts => scripts.toArray())
  21                 .then(scripts => scripts.map(script => script.children[0]?.data))
  22                 .then(scripts => scripts.filter(script => script?.search("http") >= 0))
  23                 .then(scripts => scripts[4])
  24                 .then(script => script.slice("AF_ini2tDataCallback(".length, script.length - ");".length))
  25                 .then(jsonic)
  26                 .then(data => data.data[31][0][12][2])
  27                 .then(data => data.map(elem => elem[1]))
  28                 .then(data => data.map(elem => new Object({
  29                         preview: makeImage(elem[2]),
  30                         image: makeImage(elem[3]),
  31                         color: elem[6],
  32                         link: elem[9][2003][2],
  33                         title: elem[9][2003][3],
  34                 })))
  35 }
  36
  37 /*
  38 In case google makes minor changes, here are some snippets used to reverse engineer the format:
  39
  40
  41 Find which script to use (use the query astolfo+images for this)
  42 ----------------------------------------------------------------
  43
  44         .then(scripts => scripts.filter(script => script.children[0]?.data?.search("http") >= 0))
  45         .then(scripts => scripts.reduce((a, b, i) => b.children[0]?.data?.search("https://steamcdn-a.akamaihd.net/steamcommunity/public/images/items/622220/f4d2d4074167411a7e15b9a845cf18b434c02af3.jpg") >= 0 ? i : a), -1)
  46
  47 Reverse engineer data passed to AF_initDataCallback
  48 ---------------------------------------------------
  49
  50 const findStrings = (obj, path = "") => {
  51         let found = [];
  52
  53         for (k in obj) {
  54                 let v = obj[k];
  55                 let t = typeof v;
  56                 let p = path + "." + k
  57
  58                 if (t == "object")
  59                         found = found.concat(findStrings(v, p));
  60                 else if (t == "string")
  61                         found.push([v, p]);
  62         }
  63
  64         return found;
  65 };
  66
  67         .then(findStrings)
  68 */