Download all media from Coomer, pack into ZIP via Web Worker (no UI block).
// ==UserScript==
// @name Coomer Downloader
// @name:en Coomer Downloader
// @name:ja Coomer Downloader
// @namespace coomer-dl
// @version 2.3.0
// @description Download all media from Coomer, pack into ZIP via Web Worker (no UI block).
// @description:en Download all media from Coomer, pack into ZIP via Web Worker (no UI block).
// @description:ja Coomerから全メディアをダウンロードし、Web WorkerでZIPに圧縮（UI固まらない）。
// @author KokoroClaw
// @match https://coomer.st/onlyfans/user/*
// @match https://coomer.st/fansly/user/*
// @match https://coomer.st/candfans/user/*
// @grant GM_xmlhttpRequest
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_addStyle
// @connect coomer.st
// @connect coomer.su
// @require https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js
// @run-at document-idle
// @noframes
// ==/UserScript==
// Coomer Downloader v2.2 - ZIP via Web Worker
(function () {
'use strict';
var CONFIG = {
downloadVideo: true,
apiOffset: 50,
delayMs: 200,
};
var isDownloading = false;
var stopRequested = false;
var totalMedia = 0;
var downloadedMedia = 0;
var failedMedia = 0;
var zipWorker = null;
var workerBlobUrl = null;
var record = {};
var username = '';
var service = ''; // 'onlyfans' | 'fansly' | 'candfans'
// CDN failover hosts — 按顺序尝试，有效源只有 coomer.st 和 coomer.su
var CDN_HOSTS = [
'https://coomer.st',
'https://coomer.su',
];
var WORKER_CODE = [
'var JSC="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js";',
'var zp=null;',
'function lm(){try{importScripts(JSC);zp=new JSZip();postMessage({t:"ready"})}catch(e){postMessage({t:"err",m:e.message})}};',
'function gn(){zp.generateAsync({type:"blob",compression:"STORE",compressionOptions:{level:0}},function(m){postMessage({t:"prog",p:Math.round(m.percent)})}).then(function(b){postMessage({t:"done",b:b,s:b.size});zp=new JSZip()}).catch(function(e){postMessage({t:"err",m:e.message})})}',
'lm();',
'onmessage=function(e){var d=e.data;if(d.t==="add"){zp.file(d.p,d.b);postMessage({t:"added",p:d.p})}else if(d.t==="gen"){gn()}};',
].join('');
function getUsername() {
// URL format: https://coomer.st/{service}/user/{username}
var m = location.pathname.match(/\/([^\/]+)\/user\/([^\/]+)/);
if (!m) return null;
service = m[1]; // 'onlyfans' | 'fansly' | 'candfans'
return m[2];
}
function getExt(name) {
if (!name) return 'bin';
var ext = name.split('.').pop().toLowerCase();
if (['mp4', 'webm', 'mov', 'avi'].indexOf(ext) !== -1) return ext;
if (['jpg', 'jpeg', 'png', 'gif', 'webp', 'avif', 'bmp'].indexOf(ext) !== -1) return ext;
return 'bin';
}
function isVid(ext) { return ['mp4', 'webm', 'mov', 'avi'].indexOf(ext) !== -1; }
function fmtDate(s) { return s ? s.substring(0, 10) : 'unknown-date'; }
function loadRecord() {
try { return GM_getValue('downloadedRecord', {}) || {}; } catch (e) { return {}; }
}
function saveRecord(r) {
try { GM_setValue('downloadedRecord', r); } catch (e) {}
}
function apiGet(url) {
return new Promise(function (res, rej) {
GM_xmlhttpRequest({
method: 'GET', url: url,
headers: { 'Accept': 'text/css' },
timeout: 30000,
onload: function (r) { try { res(JSON.parse(r.responseText)); } catch (e) { res(null); } },
onerror: rej, ontimeout: rej,
});
});
}
function sleep(ms) { return new Promise(function (r) { setTimeout(r, ms); }); }
async function fetchPosts(user) {
var all = [], offset = 0;
while (true) {
var posts = await apiGet('/api/v1/' + service + '/user/' + user + '/posts?o=' + offset);
if (!Array.isArray(posts) || !posts.length) break;
all = all.concat(posts);
if (posts.length < CONFIG.apiOffset) break;
offset += CONFIG.apiOffset;
}
return all;
}
function collectFiles(posts) {
var files = [], used = {};
for (var pi = 0; pi < posts.length; pi++) {
var post = posts[pi];
var dp = fmtDate(post.published);
if (post.file && post.file.path) {
var u = 'https://coomer.st/data' + post.file.path;
if (record[u]) continue;
var ex = getExt(post.file.name);
var vd = isVid(ex);
if (vd && !CONFIG.downloadVideo) continue;
var bn = dp + '_';
var sq = 1;
while (used[bn + sq]) sq++;
used[bn + sq] = true;
var fn = bn + String(sq).padStart(2, '0') + '.' + ex;
files.push({ u: u, p: fn });
}
if (post.attachments) {
for (var ai = 0; ai < post.attachments.length; ai++) {
var at = post.attachments[ai];
if (!at.path) continue;
var au = 'https://coomer.st/data' + at.path;
if (record[au]) continue;
var ax = getExt(at.name);
var bn = dp + '_';
var sq = 1;
while (used[bn + sq]) sq++;
used[bn + sq] = true;
var fn = bn + String(sq).padStart(2, '0') + '.' + ax;
files.push({ u: au, p: fn });
}
}
}
return files;
}
function addStyles() {
GM_addStyle([
'#cdp{position:fixed;top:0;left:0;right:0;z-index:2147483647;background:linear-gradient(135deg,#1a1a2e,#16213e);color:#e0e0e0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:13px;box-shadow:0 4px 20px rgba(0,0,0,0.5);display:none}',
'#cdp.op{display:block}',
'#cdb{display:flex;align-items:center;gap:16px;padding:10px 20px;flex-wrap:wrap}',
'.cds{flex:1;display:flex;gap:20px;color:#b0b0b0;font-size:12px;min-width:200px}',
'#cdpw{flex:2;background:#2a2a4a;border-radius:6px;height:8px;overflow:hidden;min-width:120px}',
'#cdpf{height:100%;background:linear-gradient(90deg,#00d4ff,#00ff88);width:0%;transition:width 0.3s;border-radius:6px}',
'#cdbtn{display:flex;gap:8px;flex-wrap:wrap}',
'.cdb2{padding:5px 14px;border:none;border-radius:5px;cursor:pointer;font-size:12px;font-weight:600;transition:all 0.2s}',
'.cdgo{background:#00d4ff;color:#1a1a2e}',
'.cdgo:hover{background:#00ff88}',
'.cdgo:disabled{background:#555;color:#888;cursor:not-allowed}',
'.cdsm{background:#2a2a4a;color:#e0e0e0;border:1px solid #444}',
'.cdsm:hover{background:#3a3a5a}',
'#cdl{max-height:120px;overflow-y:auto;padding:6px 20px;font-family:Consolas,Monaco,monospace;font-size:11px;color:#888;border-top:1px solid #2a2a4a;display:none}',
'#cdl.op{display:block}',
'.lok{color:#00ff88}',
'.lfail{color:#ff6b6b}',
'.linfo{color:#00d4ff}',
].join('\n'));
}
function buildPanel() {
var p = document.createElement('div');
p.id = 'cdp';
p.innerHTML = [
'<div id="cdb">',
'<div style="font-weight:700;font-size:15px;color:#00d4ff;white-space:nowrap">Coomer DL</div>',
'<div class="cds">',
'<span>Files: <b id="cdf">0/0</b></span>',
'<span>ZIP: <b id="cdz">--</b></span>',
'<span>Failed: <b id="cdff">0</b></span>',
'</div>',
'<div id="cdpw"><div id="cdpf"></div></div>',
'<div id="cdbtn">',
'<button class="cdb2 cdgo" id="cdsbtn">Download ZIP</button>',
'<button class="cdb2 cdsm" id="cdstbtn" style="display:none">Stop</button>',
'<button class="cdb2 cdsm" id="cdlgbtn">Log</button>',
'<button class="cdb2 cdsm" id="cdclbtn">Clear</button>',
'<button class="cdb2 cdsm" id="cdxbtn">X</button>',
'</div>',
'</div>',
'<div id="cdl"></div>',
].join('');
document.body.appendChild(p);
return p;
}
function el(id) { return document.getElementById(id); }
function setUI() {
el('cdf').textContent = downloadedMedia + '/' + totalMedia;
var pct = totalMedia > 0 ? Math.round(downloadedMedia / totalMedia * 100) : 0;
el('cdpf').style.width = pct + '%';
el('cdff').textContent = failedMedia;
}
function log(msg, cls) {
cls = cls || '';
var le = el('cdl');
if (!le) return;
var l = document.createElement('div');
l.className = cls;
l.textContent = '[' + new Date().toLocaleTimeString() + '] ' + msg;
le.appendChild(l);
le.scrollTop = le.scrollHeight;
}
function initWorker() {
if (zipWorker) return;
var blob = new Blob([WORKER_CODE], { type: 'application/javascript' });
workerBlobUrl = URL.createObjectURL(blob);
zipWorker = new Worker(workerBlobUrl);
zipWorker.onmessage = function (e) {
var d = e.data;
if (d.t === 'added') {
el('cdz').textContent = 'adding...';
} else if (d.t === 'prog') {
el('cdz').textContent = 'ZIP ' + d.p + '%';
} else if (d.t === 'done') {
el('cdz').textContent = 'done';
var zipName = username + '_' + new Date().toISOString().substring(0, 10) + '.zip';
var url = URL.createObjectURL(d.b);
var a = document.createElement('a');
a.href = url;
a.download = zipName;
a.style.display = 'none';
document.body.appendChild(a);
a.click();
setTimeout(function () { document.body.removeChild(a); URL.revokeObjectURL(url); }, 5000);
log('ZIP ready: ' + zipName + ' (' + (d.s / 1024 / 1024).toFixed(1) + ' MB)', 'lok');
isDownloading = false;
el('cdsbtn').disabled = false;
el('cdstbtn').style.display = 'none';
log('Done! ' + downloadedMedia + ' OK, ' + failedMedia + ' failed', 'linfo');
} else if (d.t === 'err') {
log('ZIP error: ' + d.m, 'lfail');
isDownloading = false;
el('cdsbtn').disabled = false;
el('cdstbtn').style.display = 'none';
}
};
zipWorker.onerror = function (e) {
log('Worker error: ' + e.message, 'lfail');
isDownloading = false;
el('cdsbtn').disabled = false;
el('cdstbtn').style.display = 'none';
};
log('ZIP Worker ready', 'linfo');
}
function fetchBlobSingle(url) {
return new Promise(function (res) {
GM_xmlhttpRequest({
method: 'GET', url: url,
responseType: 'arraybuffer',
timeout: 120000,
onload: function (r) {
res(r.status >= 200 && r.status < 300 && r.response ? r.response : null);
},
onerror: function () { res(null); },
ontimeout: function () { res(null); },
});
});
}
// Try each CDN host in order; path comes after /data
async function fetchBlob(url) {
var path = url.substring(url.indexOf('/data'));
for (var ci = 0; ci < CDN_HOSTS.length; ci++) {
var buf = await fetchBlobSingle(CDN_HOSTS[ci] + path);
if (buf) return buf;
}
return null;
}
async function start() {
if (isDownloading) return;
isDownloading = true;
stopRequested = false;
el('cdsbtn').disabled = true;
el('cdstbtn').style.display = '';
downloadedMedia = 0;
failedMedia = 0;
totalMedia = 0;
setUI();
log('Fetching posts...', 'linfo');
var posts;
try {
posts = await fetchPosts(username);
} catch (e) {
log('Fetch failed: ' + e.message, 'lfail');
isDownloading = false;
el('cdsbtn').disabled = false;
el('cdstbtn').style.display = 'none';
return;
}
record = loadRecord();
var files = collectFiles(posts);
totalMedia = files.length;
setUI();
log(posts.length + ' posts, ' + totalMedia + ' new files', 'linfo');
if (!totalMedia) {
log('No new files', 'linfo');
isDownloading = false;
el('cdsbtn').disabled = false;
el('cdstbtn').style.display = 'none';
return;
}
initWorker();
await sleep(500);
for (var i = 0; i < files.length; i++) {
if (stopRequested) {
log('Download stopped by user', 'lfail');
isDownloading = false;
el('cdsbtn').disabled = false;
return;
}
var f = files[i];
setUI();
log('[' + (i + 1) + '/' + files.length + '] ' + f.p);
var buf = await fetchBlob(f.u);
if (buf) {
zipWorker.postMessage({ t: 'add', p: f.p, b: buf }, [buf]);
downloadedMedia++;
record[f.u] = f.p;
var sz = buf.byteLength;
var szStr = (sz / 1024 / 1024).toFixed(1) + ' MB';
log(' OK (' + szStr + ')', 'lok');
} else {
failedMedia++;
log(' FAILED (all CDN hosts exhausted)', 'lfail');
}
setUI();
await sleep(CONFIG.delayMs);
}
saveRecord(record);
log('Generating ZIP...', 'linfo');
el('cdz').textContent = 'ZIP 0%';
zipWorker.postMessage({ t: 'gen' });
}
function stopDownload() {
if (!isDownloading) return;
stopRequested = true;
el('cdstbtn').style.display = 'none';
log('Stop requested, finishing current file...', 'linfo');
}
function init() {
try {
var old = document.getElementById('cdp');
if (old) old.parentNode.removeChild(old);
if (workerBlobUrl) { URL.revokeObjectURL(workerBlobUrl); workerBlobUrl = null; }
if (zipWorker) { zipWorker.terminate(); zipWorker = null; }
username = getUsername();
if (!username) return;
addStyles();
var panel = buildPanel();
panel.classList.add('op');
el('cdsbtn').addEventListener('click', function () { start(); });
el('cdstbtn').addEventListener('click', function () { stopDownload(); });
el('cdlgbtn').addEventListener('click', function () { el('cdl').classList.toggle('op'); });
el('cdclbtn').addEventListener('click', function () {
if (confirm('Clear all records?')) {
GM_setValue('downloadedRecord', {});
log('Records cleared', 'linfo');
}
});
el('cdxbtn').addEventListener('click', function () { panel.classList.remove('op'); });
var rc = Object.keys(loadRecord()).length;
log('Ready. ' + rc + ' files in record.', 'linfo');
log('ZIP generation via Web Worker (UI stays responsive)', 'linfo');
} catch (e) {
console.error('[CoomerDL] Init failed:', e);
}
}
// Watch for SPA navigation (pushState / replaceState / popstate)
var _pushState = history.pushState;
var _replaceState = history.replaceState;
history.pushState = function () {
_pushState.apply(history, arguments);
init();
};
history.replaceState = function () {
_replaceState.apply(history, arguments);
init();
};
window.addEventListener('popstate', function () {
init();
});
init();
})();