iStripper downloader

Replace small images by their full size and add a download button to download zip of all images + cover
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// ==UserScript==
// @name         iStripper downloader
// @description  Replace small images by their full size and add a download button to download zip of all images + cover
// @version      1.0.0
// @author       BreatFR
// @namespace    http://usercssjs.breat.fr/i/istripper
// @match        *://*.istripper.com/*
// @require      https://cdn.jsdelivr.net/npm/[email protected]/umd/index.min.js
// @copyright    2025, BreatFR (https://breat.fr)
// @icon         https://www.istripper.com/favicons/istripper/apple-icon-120x120.png
// @license      AGPL-3.0-or-later; https://www.gnu.org/licenses/agpl-3.0.txt
// @grant        GM_xmlhttpRequest
// @grant        GM_download
// @run-at       document-end
// ==/UserScript==

(function() {
  'use strict';

  const style = document.createElement('style');
  style.textContent = `
    a.box:hover div.img.icard { background-position: initial; }
    [src*="https://www.istripper.com/free/sets"] { transition: transform .2s ease-in-out; }
    a.box:hover [src*="https://www.istripper.com/free/sets"] { transform: scale(1.1); transition: transform .2s ease-in-out; }

    .istripper-download-btn {
      align-items: center;
      background-color: rgba(24, 24, 24, .2);
      border: none;
      border-radius: .5em;
      color: #fff;
      cursor: pointer;
      display: flex;
      flex-direction: column;
      font-family: poppins, cursive;
      font-size: 1.15rem;
      gap: 1em;
      justify-content: center;
      line-height: 1.5;
      padding: .5em 1em;
      position: absolute;
      transition: background-color .3s ease, box-shadow .3s ease;
      z-index: 9999;
    }
    .istripper-download-btn:hover {
      background-color: rgba(255, 80, 80, .85);
      box-shadow: 0 0 2em rgba(255, 80, 80, .85);
    }
    @keyframes spinLoop { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
    .istripper-btn-icon.spin { animation: spinLoop 1s linear infinite; }
    @keyframes pulseLoop {
      0% { transform: scale(1); opacity: 1; }
      50% { transform: scale(1.1); opacity: 0.7; }
      100% { transform: scale(1); opacity: 1; }
    }
    .istripper-btn-icon.pulse { animation: pulseLoop 1.8s ease-in-out infinite; }
    .istripper-btn-icon { font-size: 3em; line-height: 1em; }

    #top {
      aspect-ratio: 1 / 1;
      background: transparent;
      border: none;
      bottom: 1em;
      cursor: pointer;
      font-size: 1.2em;
      left: 1em;
      position: fixed;
      z-index: 9999;
    }
  `;
  document.head.appendChild(style);

  function updateImagesAndOverlays() {
    const images = document.querySelectorAll('img.illustration');
    images.forEach(img => {
      if (!img.src.includes("_card_full")) img.src = img.src.replace(".jpg", "_card_full.jpg");
    });

    const divCollection = document.querySelectorAll('.collection-label');
    divCollection.forEach(div => { div.style.pointerEvents = 'none'; });

    const divsWithOverlay = document.querySelectorAll('div[data-overlay]');
    divsWithOverlay.forEach(div => { div.removeAttribute('data-overlay'); });

    const overlayImages = document.querySelectorAll('img.overlay');
    overlayImages.forEach(img => { img.parentNode && img.parentNode.removeChild(img); });

    const icardDivs = document.querySelectorAll('div.img.icard');
    icardDivs.forEach(div => {
      const backgroundImageURL = div.style.backgroundImage;
      if (backgroundImageURL && !backgroundImageURL.includes("_card_full")) {
        div.style.alignItems = 'center';
        div.style.backgroundPosition = 'center center';
        div.style.backgroundSize = '0';
        div.style.display = 'flex';
        div.style.justifyContent = 'center';
      }
    });

    const icardImg = document.querySelectorAll('div.img.icard > img');
    icardImg.forEach(img => {
      if (!img.src.includes("_card_full") && img.classList.contains("hidden")) {
        if (img.src.endsWith(".jpg")) {
          img.src = img.src.replace(".jpg", "_card_full.jpg");
          img.removeAttribute('class');
          img.style.height = "242px";
          img.style.opacity = '1';
          img.style.pointerEvents = 'auto';
          img.style.width = "auto";
        }
      }
    });

    const icardOverlayDivs = document.querySelectorAll('div.icard-overlay');
    icardOverlayDivs.forEach(div => {
      div.style.pointerEvents = 'none';
      div.style.position = 'absolute';
      div.style.top = '0';
      div.style.left = '0';
      div.removeAttribute('onmouseover');
    });
  }

  updateImagesAndOverlays();
  setInterval(updateImagesAndOverlays, 500);

  // ===== Helpers UI =====
  function setButtonContent(btn, icon, label) {
    let iconEl = btn.querySelector('.istripper-btn-icon');
    let labelEl = btn.querySelector('.istripper-btn-label');

    if (!iconEl) {
      iconEl = document.createElement('div');
      iconEl.className = 'istripper-btn-icon';
      btn.appendChild(iconEl);
    }
    if (!labelEl) {
      labelEl = document.createElement('div');
      labelEl.className = 'istripper-btn-label';
      btn.appendChild(labelEl);
    }

    iconEl.textContent = icon;
    labelEl.textContent = label;
  }

  function setIconAnimation(btn, type) {
    const icon = btn.querySelector('.istripper-btn-icon');
    if (!icon) return;
    icon.classList.remove('spin', 'pulse');
    void icon.offsetWidth;
    if (type) icon.classList.add(type);
  }

  function updateIconWithAnimation(btn, icon, label, animationClass) {
    setButtonContent(btn, icon, label);
    requestAnimationFrame(() => setIconAnimation(btn, animationClass));
  }

  function resetDownloadButton(btn) {
    btn.disabled = false;
    updateIconWithAnimation(btn, '📦', 'Download pack + cover', null);
  }

  function sanitizeZipName(name) {
    return (name || "istripper_pack").trim().replace(/[\\/:*?"<>|]/g, "_");
  }

  // ===== Binary download via GM (avoids CORS issues) =====
  function gmGetArrayBuffer(url) {
    return new Promise((resolve, reject) => {
      GM_xmlhttpRequest({
        method: "GET",
        url,
        responseType: "arraybuffer",
        onload: (res) => {
          if (res.status >= 200 && res.status < 300 && res.response) resolve(res.response);
          else reject(new Error(`HTTP ${res.status} for ${url}`));
        },
        onerror: () => reject(new Error(`Network error for ${url}`)),
      });
    });
  }

  async function gmGetUint8(url) {
    const ab = await gmGetArrayBuffer(url);
    return new Uint8Array(ab);
  }

  // ===== ZIP logic: unzip -> flatten photos/ -> add cover -> rezip =====
  function stripPhotosFolder(entries) {
    const out = {};
    for (const [path, data] of Object.entries(entries)) {
      if (!data || !data.length) continue;
      out[path.replace(/^photos\//i, "")] = data;
    }
    return out;
  }

  function ensureUniqueName(map, desired) {
    if (!map[desired]) return desired;
    const dot = desired.lastIndexOf(".");
    const base = dot >= 0 ? desired.slice(0, dot) : desired;
    const ext  = dot >= 0 ? desired.slice(dot) : "";
    let i = 2;
    while (map[`${base}_${i}${ext}`]) i++;
    return `${base}_${i}${ext}`;
  }

  function getOfficialZipUrl() {
    const a = document.querySelector('a > .bt-download')?.closest('a');
    if (a?.href && /\/fileaccess\/zip\/[a-z]\d+(\b|\/|$)/i.test(a.href)) return a.href;

    for (const link of document.querySelectorAll('a[href*="/fileaccess/zip/"]')) {
      if (/\/fileaccess\/zip\/[a-z]\d+(\b|\/|$)/i.test(link.href)) return link.href;
    }
    return null;
  }

  async function rebuildZipFlatWithCover({ zipUrl, coverUrl, zipNameBase, btn }) {
    updateIconWithAnimation(btn, '🌀', 'Downloading official ZIP...', 'spin');
    const zipUint8 = await gmGetUint8(zipUrl);

    updateIconWithAnimation(btn, '📦', 'Unzipping...', 'pulse');
    const entries = await new Promise((resolve, reject) => {
      fflate.unzip(zipUint8, (err, data) => (err ? reject(err) : resolve(data)));
    });

    const flat = stripPhotosFolder(entries);

    updateIconWithAnimation(btn, '🖼️', 'Downloading cover...', 'pulse');
    const coverUint8 = await gmGetUint8(coverUrl);
    const coverName = ensureUniqueName(flat, 'cover.jpg');
    flat[coverName] = coverUint8;

    updateIconWithAnimation(btn, '📦', `Creating ZIP (${Object.keys(flat).length} files)...`, null);
    const newZip = await new Promise((resolve, reject) => {
      fflate.zip(flat, { level: 0 }, (err, data) => (err ? reject(err) : resolve(data)));
    });

    const zipName = sanitizeZipName(zipNameBase) + ".zip";
    const blobUrl = URL.createObjectURL(new Blob([newZip], { type: "application/zip" }));

    updateIconWithAnimation(btn, '📥', 'Saving ZIP...', 'pulse');
    GM_download({
      url: blobUrl,
      name: zipName,
      saveAs: true,
      onload: () => setTimeout(() => URL.revokeObjectURL(blobUrl), 30_000),
      onerror: (err) => {
        URL.revokeObjectURL(blobUrl);
        console.error('[iStripper Collector] ❌ GM_download failed:', err);
        alert('ZIP download failed.');
      }
    });
  }

  // ===== Download button injection =====
  function addDownloadButton() {
    const urlMatch = location.href.match(/^https:\/\/www\.istripper\.com\/[^\/]*\/?models\/[^\/]+\/[^\/]+$/);
    const isPackPage = urlMatch && document.querySelector('img.illustration') && document.querySelectorAll('a.picture').length > 0;
    const hasDownloadLink = !!document.querySelector('a > .bt-download');
    if (!isPackPage || !hasDownloadLink) return;

    if (document.querySelector('.istripper-download-btn')) return;

    console.log('[iStripper Collector] Injecting download button');
    const btn = document.createElement('button');
    btn.className = 'istripper-download-btn';
    btn.innerHTML = `
      <div class="istripper-btn-icon">📦</div>
      <div class="istripper-btn-label">Download pack + cover</div>
    `;

    const blackBox = document.querySelector('div.cta.showDetail');
    const wrapper = document.querySelector('div[style="background: #f6f6f6;"]');

    if (blackBox && wrapper) {
      wrapper.style.position = 'relative';
      wrapper.appendChild(btn);

      requestAnimationFrame(() => {
        const boxRect = blackBox.getBoundingClientRect();
        const wrapperRect = wrapper.getBoundingClientRect();
        const btnRect = btn.getBoundingClientRect();

        const top = boxRect.top - wrapperRect.top - btnRect.height - 32;
        const left = boxRect.left - wrapperRect.left + (boxRect.width / 2) - (btnRect.width / 2);

        btn.style.top = `${top}px`;
        btn.style.left = `${left}px`;
      });
    } else {
      console.warn('[iStripper Collector] Positioning fallback');
      document.body.appendChild(btn);
    }

    btn.addEventListener('click', async () => {
      btn.disabled = true;

      try {
        const zipUrl = getOfficialZipUrl();
        if (!zipUrl) throw new Error('Official ZIP link not found.');

        const coverImg = document.querySelector('img.illustration');
        if (!coverImg?.src) throw new Error('Cover image not found.');

        const coverUrl = coverImg.src.includes('_card_full')
          ? coverImg.src.replace(/\.jpg(\?.*)?$/i, '.jpg$1')
          : coverImg.src.replace(/\.jpg(\?.*)?$/i, '_card_full.jpg$1');

        const h2 = document.querySelector('h2.mdlnav');
        const zipNameBase = h2 ? h2.textContent : 'istripper_pack';

        await rebuildZipFlatWithCover({ zipUrl, coverUrl, zipNameBase, btn });

        updateIconWithAnimation(btn, '✅', 'ZIP ready', null);
      } catch (e) {
        console.error('[iStripper Collector] ❌ Failed:', e);
        alert(`Failed: ${e?.message || e}`);

        // (plus besoin de remettre "📦 Download..." ici, le finally reset tout)
        updateIconWithAnimation(btn, '❌', 'Failed', null);
      } finally {
        // Laisse le user voir "ZIP ready" (ou "Failed") 2s, puis reset état initial
        setTimeout(() => resetDownloadButton(btn), 2000);
      }
    });
  }

  addDownloadButton();
})();