ARCANE — Utoon Chapter Downloader

Download all images of a utoon.net chapter as a numbered ZIP using your own browser session (bypasses Cloudflare datacenter blocks).

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         ARCANE — Utoon Chapter Downloader
// @name:ar      ARCANE — تنزيل فصول Utoon
// @namespace    https://arcane.app/utoon
// @version      1.0.0
// @description  Download all images of a utoon.net chapter as a numbered ZIP using your own browser session (bypasses Cloudflare datacenter blocks).
// @description:ar  ينزّل صور الفصل من utoon.net كملف ZIP مرتّب الترقيم (يستعمل اتصال متصفحك مباشرة، يتخطى حظر Cloudflare).
// @author       ARCANE
// @license      MIT
// @homepageURL  https://greasyfork.org/en/scripts/arcane-utoon-chapter-downloader
// @supportURL   https://greasyfork.org/en/scripts/arcane-utoon-chapter-downloader/feedback
// @match        https://utoon.net/*
// @match        https://*.utoon.net/*
// @icon         https://utoon.net/favicon.ico
// @grant        GM_xmlhttpRequest
// @grant        GM_download
// @connect      utoon.net
// @connect      *
// @require      https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js
// @run-at       document-idle
// ==/UserScript==

(function () {
  'use strict';

  const IMAGE_SELECTORS = [
    'div.page-break img',
    'li.blocks-gallery-item img',
    'div.reading-content img',
    'div.text-left img',
  ];

  const isChapterPage = () =>
    /\/manga\/[^/]+\/(chapter|ep|episode)[-_ ]?\d/i.test(location.pathname);

  function pickSrc(img) {
    const v = (img.getAttribute('data-lazy-src') ||
               img.getAttribute('data-src') ||
               img.getAttribute('src') || '').trim();
    if (!v || v.startsWith('data:')) return '';
    try { return new URL(v, location.href).href; } catch { return ''; }
  }

  function collectImages() {
    for (const sel of IMAGE_SELECTORS) {
      const nodes = document.querySelectorAll(sel);
      const urls = [];
      const seen = new Set();
      nodes.forEach(img => {
        const u = pickSrc(img);
        if (u && !seen.has(u)) { seen.add(u); urls.push(u); }
      });
      if (urls.length) return urls;
    }
    return [];
  }

  function detectMeta() {
    const m = location.pathname.match(/\/manga\/([^/]+)\/([^/]+)/);
    const seriesSlug = m ? m[1] : 'series';
    const chapterSlug = m ? m[2] : 'chapter';
    let seriesTitle = '';
    const titleEl = document.querySelector('.entry-header h1, .breadcrumb a[href*="/manga/"]:last-of-type, h1.entry-title');
    if (titleEl) seriesTitle = titleEl.textContent.trim();
    return {
      series: (seriesTitle || seriesSlug).replace(/[\\/:*?"<>|]/g, '_').slice(0, 80),
      chapter: chapterSlug.replace(/[\\/:*?"<>|]/g, '_'),
    };
  }

  // Force lazy images to load by scrolling to bottom then back to top
  async function autoScroll() {
    return new Promise(resolve => {
      const total = document.body.scrollHeight;
      let y = 0;
      const step = Math.max(400, Math.floor(window.innerHeight * 0.9));
      const timer = setInterval(() => {
        window.scrollTo(0, y);
        y += step;
        if (y >= total + window.innerHeight) {
          clearInterval(timer);
          window.scrollTo(0, 0);
          setTimeout(resolve, 500);
        }
      }, 120);
    });
  }

  function fetchBlob(url) {
    return new Promise((resolve, reject) => {
      GM_xmlhttpRequest({
        method: 'GET',
        url,
        responseType: 'blob',
        headers: { 'Referer': location.origin + '/' },
        timeout: 60000,
        onload: r => {
          if (r.status >= 200 && r.status < 300 && r.response) resolve(r.response);
          else reject(new Error(`HTTP ${r.status}`));
        },
        onerror: () => reject(new Error('network')),
        ontimeout: () => reject(new Error('timeout')),
      });
    });
  }

  function extOf(url, blob) {
    const m = url.split('?')[0].match(/\.([a-z0-9]{2,5})$/i);
    if (m) return m[1].toLowerCase();
    if (blob && blob.type) {
      const t = blob.type.split('/')[1];
      if (t) return t.split('+')[0];
    }
    return 'jpg';
  }

  function pad(i, n) {
    return String(i).padStart(String(n).length, '0');
  }

  function setStatus(msg) {
    const s = document.getElementById('arcane-utoon-status');
    if (s) s.textContent = msg;
    console.log('[ARCANE]', msg);
  }

  async function downloadChapter() {
    try {
      setStatus('بحمّل الصور المخفية… (سحب تلقائي)');
      await autoScroll();

      const urls = collectImages();
      if (!urls.length) {
        alert('ARCANE: ما لقيتش صور الفصل. تأكد إنك على صفحة فصل مفتوحة.');
        setStatus('فشل: لا توجد صور');
        return;
      }
      setStatus(`لقيت ${urls.length} صورة. بنزّل…`);

      const zip = new JSZip();
      let ok = 0, fail = 0;
      const concurrency = 5;
      let cursor = 0;

      async function worker() {
        while (cursor < urls.length) {
          const i = cursor++;
          const url = urls[i];
          try {
            const blob = await fetchBlob(url);
            const ext = extOf(url, blob);
            zip.file(`${pad(i + 1, urls.length)}.${ext}`, blob);
            ok++;
          } catch (e) {
            console.warn('[ARCANE] failed', url, e);
            fail++;
          }
          setStatus(`تنزيل ${ok + fail}/${urls.length} (نجاح ${ok}، فشل ${fail})`);
        }
      }

      await Promise.all(Array.from({ length: concurrency }, worker));

      if (ok === 0) {
        alert('ARCANE: فشل تنزيل كل الصور.');
        setStatus('فشل التنزيل');
        return;
      }

      setStatus('بضغط الـ ZIP…');
      const zipBlob = await zip.generateAsync({ type: 'blob' }, meta => {
        if (meta.percent != null) setStatus(`ضغط ${meta.percent.toFixed(0)}%`);
      });

      const meta = detectMeta();
      const fileName = `${meta.series}__${meta.chapter}.zip`;

      const a = document.createElement('a');
      a.href = URL.createObjectURL(zipBlob);
      a.download = fileName;
      document.body.appendChild(a);
      a.click();
      setTimeout(() => { URL.revokeObjectURL(a.href); a.remove(); }, 2000);

      setStatus(`✅ تم: ${ok}/${urls.length} → ${fileName}`);
    } catch (e) {
      console.error('[ARCANE]', e);
      alert('ARCANE error: ' + e.message);
      setStatus('خطأ: ' + e.message);
    }
  }

  function injectUI() {
    if (document.getElementById('arcane-utoon-btn')) return;

    const wrap = document.createElement('div');
    wrap.id = 'arcane-utoon-ui';
    wrap.style.cssText = `
      position: fixed; bottom: 20px; right: 20px; z-index: 2147483647;
      background: #1a1a2e; color: #fff; padding: 10px 14px; border-radius: 10px;
      font-family: system-ui, -apple-system, sans-serif; font-size: 13px;
      box-shadow: 0 4px 18px rgba(0,0,0,.5); direction: rtl;
      border: 1px solid #6a4cff; max-width: 280px;
    `;

    const btn = document.createElement('button');
    btn.id = 'arcane-utoon-btn';
    btn.textContent = '📥 تنزيل الفصل (ZIP)';
    btn.style.cssText = `
      background: #6a4cff; color: #fff; border: 0; padding: 8px 14px;
      border-radius: 6px; cursor: pointer; font-weight: 600; font-size: 13px;
      width: 100%;
    `;
    btn.onclick = () => { btn.disabled = true; btn.textContent = '...جاري التنزيل'; downloadChapter().finally(() => { btn.disabled = false; btn.textContent = '📥 تنزيل الفصل (ZIP)'; }); };

    const status = document.createElement('div');
    status.id = 'arcane-utoon-status';
    status.style.cssText = 'margin-top: 6px; font-size: 11px; color: #b8b8d4; min-height: 14px;';
    status.textContent = isChapterPage() ? 'جاهز' : 'افتح صفحة فصل أولاً';

    wrap.appendChild(btn);
    wrap.appendChild(status);
    document.body.appendChild(wrap);
  }

  if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', injectUI);
  } else {
    injectUI();
  }
})();