Redirect gofile share pages (e.g. /d/QGjyK2) to gf.1drv.eu.org (maps /d/<id> -> /<id>). Shows a brief banner "redirected to gf.1drv.eu.org" before redirecting. Opt-out with ?noredirect=1. Preserves trailing path/query/hash and avoids loops.
// ==UserScript==
// @name GoFile Download Bypass (with banner)
// @namespace https://greasyfork.org/en/users/1522706-squiggly6279
// @version 1.2
// @description Redirect gofile share pages (e.g. /d/QGjyK2) to gf.1drv.eu.org (maps /d/<id> -> /<id>). Shows a brief banner "redirected to gf.1drv.eu.org" before redirecting. Opt-out with ?noredirect=1. Preserves trailing path/query/hash and avoids loops.
// @author you
// @icon https://www.google.com/s2/favicons?domain=gofile.io
// @match *://gofile.io/*
// @match *://www.gofile.io/*
// @match *://gofile.co/*
// @match *://www.gofile.co/*
// @match *://*.gofile.*/*
// @grant none
// @license MIT
// ==/UserScript==
(function () {
'use strict';
// ---------- CONFIG ----------
const TARGET_HOST = 'gf.1drv.eu.org'; // destination host
const IGNORE_PREFIXES = ['/api/', '/public/', '/static/', '/cdn/', '/download?']; // do not redirect these
const OPT_OUT_PARAM = 'noredirect'; // add ?noredirect=1 to opt out
const ID_RE = /^[A-Za-z0-9_-]{4,40}$/; // allowed chars for id
const BANNER_SHOW_MS = 1100; // how long banner is visible before redirect (ms)
const BANNER_FADE_MS = 300; // CSS fade duration (ms)
// --------------------------------
try {
if (window.top !== window) return; // run only in top window
const host = location.hostname;
if (host === TARGET_HOST) return; // already on target
// basic allowed host check
const allowedHosts = ['gofile.io', 'www.gofile.io', 'gofile.co', 'www.gofile.co'];
if (!allowedHosts.some(h => host === h || host.endsWith('.' + h))) return;
const url = new URL(location.href);
const path = location.pathname || '/';
const lowerPath = path.toLowerCase();
// Respect opt-out
if (url.searchParams.has(OPT_OUT_PARAM)) {
console.debug('GoFile bypass: opt-out param present, skipping redirect');
return;
}
// Ignore common API/static endpoints
for (const pfx of IGNORE_PREFIXES) {
if (lowerPath.startsWith(pfx)) {
console.debug('GoFile bypass: ignoring path prefix', pfx);
return;
}
}
// helper to build target URL, preserving protocol/query/hash and optional trailingPath
function buildTargetUrl(id, trailing = '') {
if (trailing && !trailing.startsWith('/')) trailing = '/' + trailing;
const q = location.search || '';
const h = location.hash || '';
return location.protocol + '//' + TARGET_HOST + '/' + id + trailing + q + h;
}
// Prevent looping: sessionStorage per-id marker
function alreadyRedirected(key) {
try { return !!sessionStorage.getItem('gofile_redirected_' + key); } catch (e) { return false; }
}
function markRedirected(key) {
try { sessionStorage.setItem('gofile_redirected_' + key, Date.now().toString()); } catch (e) { /* ignore */ }
}
// Create and show banner, then call onDone() after timing; returns a Promise
function showBannerThen(delayMs = BANNER_SHOW_MS) {
return new Promise((resolve) => {
try {
// banner container
const banner = document.createElement('div');
banner.setAttribute('id', 'gofile-redirect-banner');
banner.textContent = `Redirected to ${TARGET_HOST}`;
// minimal inline styles (kept small & unobtrusive)
const style = banner.style;
style.position = 'fixed';
style.top = '16px';
style.left = '50%';
style.transform = 'translateX(-50%)';
style.zIndex = 2147483647; // max z-index to be visible
style.padding = '10px 14px';
style.fontFamily = 'Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial';
style.fontSize = '13px';
style.borderRadius = '10px';
style.boxShadow = '0 6px 18px rgba(0,0,0,0.28)';
style.background = 'linear-gradient(180deg, rgba(255,255,255,0.96), rgba(245,245,245,0.96))';
style.color = '#111';
style.opacity = '0';
style.transition = `opacity ${BANNER_FADE_MS}ms ease, transform ${BANNER_FADE_MS}ms ease`;
style.pointerEvents = 'none';
// append and trigger fade-in
document.documentElement.appendChild(banner);
// force reflow then show
// eslint-disable-next-line no-unused-expressions
banner.offsetHeight;
style.opacity = '1';
style.transform = 'translateX(-50%) translateY(0)';
// after delay, fade out then remove
setTimeout(() => {
style.opacity = '0';
style.transform = 'translateX(-50%) translateY(-6px)';
setTimeout(() => {
try { banner.remove(); } catch (e) { /* ignore */ }
resolve();
}, BANNER_FADE_MS + 10);
}, delayMs);
} catch (e) {
// If anything fails drawing banner, just resolve immediately
resolve();
}
});
}
// Patterns to detect share id + optional trailing path
const shareRegexes = [
/\/d\/([A-Za-z0-9_-]{4,40})(\/.*)?$/i,
/\/f\/([A-Za-z0-9_-]{4,40})(\/.*)?$/i,
/\/file\/d\/([A-Za-z0-9_-]{4,40})(\/.*)?$/i,
/[?&]file=([A-Za-z0-9_-]{4,40})/i,
/\/([A-Za-z0-9_-]{4,40})(?:\/.*)?$/i
];
for (const re of shareRegexes) {
const m = location.pathname.match(re) || location.href.match(re);
if (m && m[1]) {
const id = m[1];
const trailing = (m[2] && m[2] !== '/') ? m[2] : '';
if (!ID_RE.test(id)) continue;
if (alreadyRedirected(id)) {
console.debug('GoFile bypass: already redirected id', id, '- skipping');
return;
}
const target = buildTargetUrl(id, trailing);
markRedirected(id);
console.debug('GoFile bypass: redirecting to', target);
// show banner then redirect
showBannerThen().then(() => location.replace(target));
return;
}
}
// Root redirect (show banner then redirect)
if (path === '/' || path === '' || path === '/index.html') {
if (document.referrer && (new URL(document.referrer).hostname === TARGET_HOST)) {
console.debug('GoFile bypass: referrer is target host, skipping root redirect');
return;
}
const rootTarget = location.protocol + '//' + TARGET_HOST + '/' + (location.search || '') + (location.hash || '');
console.debug('GoFile bypass: redirecting root to', rootTarget);
showBannerThen().then(() => location.replace(rootTarget));
return;
}
console.debug('GoFile bypass: no redirect rule matched for', location.href);
} catch (err) {
console.error('GoFile bypass script error:', err);
}
})();