// credit© gist.vyr.my.idimport axios from "axios";import fs from "fs";import path from "path";const _base = "https://imageupscaler.com";const _ajax = `${_base}/wp-admin/admin-ajax.php`;const _hdrs = (extra = {}) => ({  "accept": "*/*",  "accept-language": "id-ID,id;q=0.9,en-US;q=0.8,en;q=0.7",  "cache-control": "no-cache",  "pragma": "no-cache",  "priority": "u=1, i",  "sec-ch-ua": "\"Mises\";v=\"141\", \"Not?A_Brand\";v=\"8\", \"Chromium\";v=\"141\"",  "sec-ch-ua-mobile": "?1",  "sec-ch-ua-platform": "\"Android\"",  "sec-fetch-dest": "empty",  "sec-fetch-mode": "cors",  "sec-fetch-site": "same-origin",  "user-agent": "Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Mobile Safari/537.36",  ...extra,});const spin = (() => {  const frames = ["⠋","⠙","⠹","⠸","⠼","⠴","⠦","⠧","⠇","⠏"];  let i = 0, t = null;  return {    start: (msg) => {      process.stderr.write("\x1b[?25l");      t = setInterval(() => process.stderr.write(`\r${frames[i++ % frames.length]} ${msg}`), 80);    },    stop: (msg) => {      clearInterval(t); t = null;      process.stderr.write(`\r\x1b[2K${msg}\n\x1b[?25h`);    },  };})();const _session = async () => {  const res = await axios.get(`${_base}/upscale-image-4x/`, {    headers: _hdrs({ referer: _base }),  });  const m = res.data.match(/name="process_nonce"\s+value="([^"]+)"/);  if (!m) throw new Error("nonce not found");  // cari pid generation di JS  const pidMatch = res.data.match(/["\s]pid["']?\s*[:=]\s*["']?([0-9]{20,35})/);  const pid = pidMatch ? pidMatch[1] : null;  // cari indexVisitor  const ivMatch = res.data.match(/indexVisitor["']?\s*[:=]\s*([0-9]+)/);  const indexVisitor = ivMatch ? ivMatch[1] : null;  const cookies = res.headers["set-cookie"]?.map(c => c.split(";")[0]).join("; ") ?? "";  return { nonce: m[1], cookies, pid, indexVisitor };};const _b64 = (p) => {  const buf = fs.readFileSync(p);  const ext = path.extname(p).slice(1).toLowerCase();  const mime = { png: "image/png", webp: "image/webp" }[ext] ?? "image/jpeg";  return `data:${mime};base64,${buf.toString("base64")}`;};// generate pid mirip format asli: 30 digitconst _pid = () => {  const a = Date.now().toString();  const b = Math.random().toString().slice(2).padEnd(20, "0");  return (a + b).slice(0, 30);};const run = async (imgPath, scale, outPath) => {  if (!fs.existsSync(imgPath)) throw new Error(`file not found: ${imgPath}`);  const increase = (scale === "2" || scale === "2x") ? "2" : "4";  const fname = path.basename(imgPath);  const fileId = `${Date.now()}_${fname}`;  spin.start("fetching session...");  const { nonce, cookies, pid: pagePid } = await _session();  const pid = pagePid ?? _pid();  spin.stop(`✔ session ready  nonce=${nonce} pid=${pid}`);  spin.start(`upscaling (${increase}x)...`);  const mediaData = JSON.stringify([{    fileSrc: _b64(imgPath),    fileName: fname,    fileId,  }]);  const parameters = JSON.stringify({    "upscale-type": "standard",    increase,    "save-format": "auto",  });  const body = new URLSearchParams({    action: "processing_images_adv",    nonce,    pid,    function: "upscale-image-4x",    batch_number: "1",    total_batches: "1",    mediaData,    parameters,  });  const { data } = await axios.post(_ajax, body.toString(), {    headers: _hdrs({      "content-type": "application/x-www-form-urlencoded",      "referer": `${_base}/upscale-image-4x/`,      ...(cookies ? { cookie: cookies } : {}),    }),  });  if (!data.success || !data.data?.items?.length) {    spin.stop("✖ failed");    throw new Error("server: " + JSON.stringify(data));  }  spin.stop("✔ upscale done");  const item = data.data.items[0];  const result = {    upscaled: item.url,    name: item.name,    credits: data.data.remainingCredits,  };  if (outPath) {    spin.start("downloading...");    const { data: img } = await axios.get(item.url, { responseType: "arraybuffer" });    fs.writeFileSync(outPath, img);    spin.stop(`✔ saved → ${outPath}`);    result.saved = path.resolve(outPath);  }  process.stdout.write(JSON.stringify(result, null, 2) + "\n");};const args = process.argv.slice(2);if (!args[0]) {  process.stderr.write("usage: node imageupscaler.mjs <image> [2x|4x] [output]\n");  process.exit(1);}let [img, a2, a3] = args;let scale = "4x", out;if (a2 && ["2x","4x","2","4"].includes(a2)) {  scale = a2; out = a3;} else if (a2) {  out = a2;}run(img, scale, out).catch((e) => {  spin.stop("✖ error");  process.stderr.write(JSON.stringify({ error: e.message }, null, 2) + "\n");  process.exit(1);});