/** * instagram.js — Instagram Scraper & Downloader * * @author  Shann * @version 1.0.0 * * Hits Instagram's internal API directly — no browser required. * Supports photo, video, carousel, and reels. * * DO NOT REMOVE THIS HEADER — keep credit intact when forking or modifying. */const fs   = require('fs');const path = require('path');const axios = require('axios');const { wrapper } = require('axios-cookiejar-support');const { CookieJar } = require('tough-cookie');const axiosRetry = require('axios-retry').default ?? require('axios-retry');const VERBOSE = process.argv.includes('--verbose') || process.argv.includes('-v');const log = (...a) => { if (VERBOSE) process.stderr.write(a.join(' ') + '\n'); };const _AUTHOR = 'Shann';const _REPO   = 'code.vyrgo.cyou/shanmolvyr/instagram';const UA_WEB = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36';function createClient() {  const jar = new CookieJar();  const client = wrapper(axios.create({    jar,    withCredentials: true,    timeout: 20000,    maxRedirects: 10,  }));  axiosRetry(client, {    retries: 3,    retryDelay: (n) => n * 1500,    retryCondition: (e) => !e.response || e.response.status === 429 || e.response.status >= 500,  });  return client;}function extractShortcode(input) {  input = input.trim();  if (!input.includes('/')) return input;  const m = input.match(/instagram\.com\/(?:p|reel|tv)\/([A-Za-z0-9_-]+)/);  return m ? m[1] : null;}async function fetchViaHtml(client, shortcode) {  log('⏳ Trying HTML scrape...');  const res = await client.get(`https://www.instagram.com/p/${shortcode}/`, {    headers: {      'User-Agent': UA_WEB,      'Accept': 'text/html,*/*;q=0.8',      'Accept-Language': 'en-US,en;q=0.9',      'Sec-Fetch-Dest': 'document',      'Sec-Fetch-Mode': 'navigate',      'Sec-Fetch-Site': 'none',    },    responseType: 'text',    validateStatus: (s) => s < 500,  });  const html = res.data;  log(`  → status: ${res.status}, size: ${(html.length/1024).toFixed(1)} KB`);  if (VERBOSE) fs.writeFileSync('debug_ig.html', html);  const blocks = [...html.matchAll(/<script[^>]*data-sjs[^>]*>({"require":\[\[.+?)<\/script>/gs)]    .map(m => m[1]);  log(`  → script blocks: ${blocks.length}`);  for (const block of blocks) {    if (!block.includes('RelayPrefetchedStreamCache')) continue;    if (!block.includes('xig_polaris')) continue;    try {      const json  = JSON.parse(block);      const bbox  = json?.require?.[0]?.[3]?.[0]?.__bbox;      if (!bbox?.require) continue;      for (const req of bbox.require) {        if (req[0] !== 'RelayPrefetchedStreamCache') continue;        const inner = req[3]?.[1]?.__bbox;        if (!inner) continue;        const media = inner?.result?.data?.xig_polaris_media          || inner?.data?.xig_polaris_media;        if (!media) continue;        const item = media.if_not_gated_logged_out || media;        if (!item.pk && !item.code) continue;        log('✅ HTML scrape berhasil');        return { item, source: 'html' };      }    } catch (e) {      log(`  → parse error: ${e.message.slice(0, 60)}`);    }  }  throw new Error('Tidak ada data di HTML response');}function normalizeItem(item) {  const isVideo    = item.is_video || item.media_type === 2    || item.__typename === 'GraphVideo'    || item.__typename === 'XIGPolarisVideoMedia';  const isCarousel = item.media_type === 8    || item.__typename === 'GraphSidecar'    || item.__typename === 'XIGPolarisCarouselMedia'    || !!item.carousel_media    || !!item.edge_sidecar_to_children;  const owner  = item.owner || item.user || {};  const caption = item.edge_media_to_caption?.edges?.[0]?.node?.text    || item.caption?.text    || item.caption    || item.accessibility_caption    || '';  const takenAt = item.taken_at || item.taken_at_timestamp || null;  const likeCount    = item.like_count    ?? item.edge_media_preview_like?.count    ?? null;  const commentCount = item.comment_count ?? item.edge_media_to_comment?.count      ?? null;  const viewCount    = item.view_count    ?? item.video_view_count    ?? item.clips_metadata?.views_count    ?? null;  const pad = n => String(n).padStart(2, '0');  const postedAt = takenAt ? (() => {    const d = new Date(Number(takenAt) * 1000);    return `${pad(d.getDate())}/${pad(d.getMonth()+1)}/${d.getFullYear()} ${pad(d.getHours())}.${pad(d.getMinutes())}`;  })() : null;  let media = [];  if (isCarousel) {    const children = item.carousel_media      || item.edge_sidecar_to_children?.edges?.map(e => e.node)      || [];    for (const child of children) media.push(extractMedia(child));  } else {    media.push(extractMedia(item));  }  return {    id:        item.pk || item.id || null,    shortcode: item.code || item.shortcode || null,    type:      isCarousel ? 'carousel' : isVideo ? 'video' : 'photo',    caption:   typeof caption === 'string' ? caption : '',    postedAt,    owner: {      id:       owner.pk || owner.id || null,      username: owner.username || null,      fullName: owner.full_name || null,      avatar:   owner.profile_pic_url || null,      verified: !!(owner.is_verified || owner.verified || owner.is_verified_by_mv4b || owner.transparency_product_enabled),    },    stats: { likeCount, commentCount, viewCount },    media,    location: item.location ? {      name: item.location.name || null,      id:   item.location.pk  || item.location.id || null,    } : null,    _author: `${_AUTHOR} — ${_REPO}`,  };}function extractMedia(item) {  const isVideo = item.is_video || item.media_type === 2 || item.__typename === 'GraphVideo';  if (isVideo) {    const versions = item.video_versions || [];    const best = versions.sort((a, b) => (a.type || 0) - (b.type || 0))[0];    const videoUrl = best?.url || item.video_url || null;    const imgCandidates = item.image_versions2?.candidates || [];    const bestThumb = imgCandidates.sort((a, b) => (b.width || 0) - (a.width || 0))[0];    const thumbnail = bestThumb?.url || item.display_url || item.thumbnail_url || null;    return {      type:      'video',      url:       videoUrl,      thumbnail,      width:     item.original_width  || item.dimensions?.width  || null,      height:    item.original_height || item.dimensions?.height || null,      duration:  item.video_duration  || null,    };  } else {    const candidates = item.image_versions2?.candidates || [];    const best = candidates.sort((a, b) => (b.width || 0) - (a.width || 0))[0];    const imageUrl = best?.url || item.display_url || item.thumbnail_url || null;    return {      type:   'photo',      url:    imageUrl,      width:  best?.width  || item.original_width  || item.dimensions?.width  || null,      height: best?.height || item.original_height || item.dimensions?.height || null,    };  }}async function scrapeInstagram(inputUrl) {  const shortcode = extractShortcode(inputUrl);  if (!shortcode) throw new Error('Shortcode tidak ditemukan dari URL: ' + inputUrl);  log(`📸 Shortcode: ${shortcode}`);  const client = createClient();  const { item } = await fetchViaHtml(client, shortcode);  const result = normalizeItem(item);  return { data: result, client };}async function streamToFile(client, url, outputPath, label) {  const res = await client.get(url, {    responseType: 'stream',    headers: { 'User-Agent': UA_WEB, 'Referer': 'https://www.instagram.com/', 'Accept': '*/*' },    timeout: 120000,    validateStatus: (s) => s === 200 || s === 206,  });  const total = parseInt(res.headers['content-length'] || '0', 10);  let downloaded = 0, lastLog = 0;  const writer = fs.createWriteStream(outputPath);  await new Promise((resolve, reject) => {    res.data.on('data', (chunk) => {      downloaded += chunk.length;      if (downloaded - lastLog > 512 * 1024) {        const pct = total ? ` (${((downloaded / total) * 100).toFixed(0)}%)` : '';        process.stderr.write(`📥 ${label} — ${(downloaded / 1024 / 1024).toFixed(1)} MB${pct}\n`);        lastLog = downloaded;      }    });    res.data.pipe(writer);    writer.on('finish', resolve);    writer.on('error', reject);    res.data.on('error', reject);  });  return downloaded;}async function downloadMedia(data, outputArg, client) {  if (data.type === 'carousel' || data.media.length > 1) {    const dir = outputArg || data.shortcode;    fs.mkdirSync(dir, { recursive: true });    process.stderr.write(`📁 Carousel: ${data.media.length} item → ${dir}/\n`);    for (let i = 0; i < data.media.length; i++) {      const m    = data.media[i];      const ext  = m.type === 'video' ? 'mp4' : 'jpg';      const fname = `${String(i + 1).padStart(3, '0')}.${ext}`;      const dest  = path.join(dir, fname);      try {        const bytes = await streamToFile(client, m.url, dest, `${i + 1}/${data.media.length}`);        process.stderr.write(`✅ ${fname} (${(bytes / 1024).toFixed(0)} KB)\n`);      } catch (e) {        process.stderr.write(`⚠️  ${fname} gagal: ${e.message}\n`);      }    }    return dir;  } else {    const m   = data.media[0];    const ext = m.type === 'video' ? 'mp4' : 'jpg';    const out = outputArg || `${data.shortcode}.${ext}`;    process.stderr.write(`⬇️  Download: ${out}\n`);    const bytes = await streamToFile(client, m.url, out, path.basename(out));    process.stderr.write(`✅ ${out} (${(bytes / 1024 / 1024).toFixed(2)} MB)\n`);    return out;  }}function printHelp() {  console.log(`instagram.js — Instagram Scraper & Downloader by Shann (${_REPO})Usage:  node instagram.js <url>              metadata only (JSON output)  node instagram.js <url> -d           download media  node instagram.js <url> -d <output>  download to custom name/path  node instagram.js <url> -v           verbose logging`.trim());}async function main() {  const args = process.argv.slice(2).filter(a => a !== '-v' && a !== '--verbose');  if (!args[0] || args[0] === '--help') { printHelp(); process.exit(0); }  const inputUrl   = args[0];  const doDownload = args.includes('-d') || args.includes('--download');  const dIdx       = args.findIndex(a => a === '-d' || a === '--download');  const outputArg  = (dIdx !== -1 && args[dIdx + 1] && !args[dIdx + 1].startsWith('-'))    ? args[dIdx + 1] : null;  try {    const { data, client } = await scrapeInstagram(inputUrl);    if (doDownload) data.downloadedTo = await downloadMedia(data, outputArg, client);    console.log(JSON.stringify(data, null, 2));  } catch (err) {    console.error('❌ Error:', err.message);    process.exit(1);  }}module.exports = { scrapeInstagram, downloadMedia };if (require.main === module) main();