eroscript jdown userscript

// ==UserScript==
// @name         Link Copier Helper (JD package + JD detect + fallback)
// @namespace    https://discuss.eroscripts
// @version      2.0
// @description  Send matching links to JDownloader as a per-page package (no URL rewriting). Fallback to clipboard if JD isn't running.
// @match        *://discuss.eroscripts.com/*
// @grant        GM_setClipboard
// @grant        GM_registerMenuCommand
// @grant        GM_xmlhttpRequest
// @connect      127.0.0.1
// @run-at       document-idle
// ==/UserScript==

(function () {
  "use strict";

  // ---------------- CONFIGURATION ----------------
  const EXTENSIONS = [".mp4", ".webm", ".mov", ".srt", ".ass", ".mkv", ".funscript"];

  const IGNORE_EXTERNAL = ["discourse.org", "twitter.com", "x.com", "patreon", "povr.com", "wankzvr.com", "feelxvideos.com", "funosr.com", "blob:https://discuss", "funscript.org", "osrmarket.io", "yourhobbiescustomized.com"];

  // JDownloader ExternInterface endpoints (localhost webserver) :contentReference[oaicite:2]{index=2}
  const JD_CHECK_URL = "http://127.0.0.1:9666/jdcheck.js"; // sets global jdownloader=true in the doc example :contentReference[oaicite:3]{index=3}
  const JD_FLASHGOT_URL = "http://127.0.0.1:9666/flashgot"; // accepts urls/package/referer :contentReference[oaicite:4]{index=4}

  // IMPORTANT: keep referer stable so you can "always allow" once.
  // If you send a different full URL each time, JD may keep asking.
  const JD_STABLE_REFERER = "https://discuss.eroscripts.com/";

  // Optional: bypass LinkGrabber and send straight to Downloads (0/1). :contentReference[oaicite:5]{index=5}
  const JD_AUTOSTART = 0;
  // ------------------------------------------------

  function isExtensionMatch(url) {
    try {
      const pathname = new URL(url, location.href).pathname.toLowerCase();
      return EXTENSIONS.some((ext) => pathname.endsWith(ext));
    } catch {
      return false;
    }
  }

  function isExternal(url) {
    try {
      const u = new URL(url, location.href);
      return (
        u.hostname !== location.hostname &&
        !IGNORE_EXTERNAL.includes(u.hostname.toLowerCase())
      );
    } catch {
      return false;
    }
  }

  function gatherLinksRaw() {
    const links = Array.from(document.querySelectorAll("a[href]"));
    const matches = links
      .map((a) => a.href)
      .filter((href) => isExtensionMatch(href) || isExternal(href));

    return [...new Set(matches)];
  }

  function getPackageName() {
    const t =
      document.querySelector("h1 .fancy-title")?.textContent?.trim() ||
      document.querySelector(".fancy-title")?.textContent?.trim() ||
      document.title.trim();

    const m = location.pathname.match(/\/t\/[^/]+\/(\d+)/);
    const withId = m ? `${t} [${m[1]}]` : t;

    return withId
      .replace(/[<>:"/\\|?*\u0000-\u001F]/g, "_")
      .replace(/\s+/g, " ")
      .trim()
      .slice(0, 150);
  }

  function gmXhr(opts) {
    // Tampermonkey provides GM_xmlhttpRequest
    return new Promise((resolve, reject) => {
      GM_xmlhttpRequest({
        ...opts,
        onload: (r) => resolve(r),
        onerror: (e) => reject(e),
        ontimeout: () => reject(new Error("timeout")),
      });
    });
  }

  async function isJdRunning() {
    // The official pattern is to load jdcheck.js and test the "jdownloader" variable. :contentReference[oaicite:6]{index=6}
    // In a userscript, we just fetch it and check for "jdownloader=true".
    try {
      const r = await gmXhr({
        method: "GET",
        url: JD_CHECK_URL,
        timeout: 800,
      });
      if (r.status !== 200) return false;
      return /jdownloader\s*=\s*true/i.test(r.responseText || "");
    } catch {
      return false;
    }
  }

  function formEncode(obj) {
    return Object.entries(obj)
      .filter(([, v]) => v !== undefined && v !== null)
      .map(([k, v]) => `${encodeURIComponent(k)}=${encodeURIComponent(String(v))}`)
      .join("&");
  }

  async function sendToJdFlashgot(urls, pkg) {
    // FlashGot Interface parameters: urls (required), description (required), referer, package, autostart... :contentReference[oaicite:7]{index=7}
    const body = formEncode({
      urls: urls.join("\n"),
      description: urls.map(() => pkg).join("\n"),
      referer: JD_STABLE_REFERER,
      package: pkg,
      autostart: JD_AUTOSTART ? 1 : 0,
    });

    return gmXhr({
      method: "POST",
      url: JD_FLASHGOT_URL,
      data: body,
      headers: { "Content-Type": "application/x-www-form-urlencoded" },
      timeout: 15000,
    });
  }

  async function sendLinks() {
    const list = gatherLinksRaw();
    if (!list.length) {
      alert("No matching links found on this page.");
      return;
    }

    const pkg = getPackageName();

    if (await isJdRunning()) {
      try {
        await sendToJdFlashgot(list, pkg);
        alert(`Sent ${list.length} link(s) to JDownloader as package:\n${pkg}`);
        return;
      } catch (e) {
        // fall through to clipboard
        console.warn("JD send failed, falling back to clipboard:", e);
      }
    }

    GM_setClipboard(list.join("\n"));
    alert(
      `JDownloader not reachable (or send failed).\nCopied ${list.length} link(s) to clipboard instead.`
    );
  }

  function addFloatingButton() {
    const btn = document.createElement("button");
    btn.textContent = "Send to JD";
    btn.style.cssText = `
      position: fixed;
      bottom: 5rem;
      right: 1rem;
      padding: .6rem 1rem;
      font: 14px/1 sans-serif;
      background: #0b6283;
      color: #fff;
      border: none;
      border-radius: 6px;
      box-shadow: 0 2px 5px rgba(0,0,0,.2);
      cursor: pointer;
      z-index: 9999;
      opacity: 0.8;
      transition: opacity .2s ease;
    `;
    btn.addEventListener("mouseenter", () => (btn.style.opacity = "1"));
    btn.addEventListener("mouseleave", () => (btn.style.opacity = "0.8"));
    btn.addEventListener("click", sendLinks);
    document.body.appendChild(btn);
  }

  if (typeof GM_registerMenuCommand !== "undefined") {
    GM_registerMenuCommand("Send matched links to JD (or clipboard fallback)", sendLinks);
  }

  addFloatingButton();
})();