/** * CLOUDFLARE WORKER URL SHORTENER * Features: UI, API, KV Storage, Anti-Bot, Auto-Detect Domain */ const htmlDisplay = ` Linknow.id - Shorten Your Links

Linknow.id

Secure. Fast. Untraceable.

...

`; // Halaman Anti-Bot (Cloaking) const cloakingHtml = (encodedUrl) => ` Loading...

`; export default { async fetch(request, env, ctx) { const url = new URL(request.url); const path = url.pathname; // 1. TAMPILAN UTAMA (HOME) if (path === '/' && request.method === 'GET') { return new Response(htmlDisplay, { headers: { 'Content-Type': 'text/html' }, }); } // 2. API CREATE LINK if (path === '/api/create' && request.method === 'POST') { try { const body = await request.json(); let alias = body.alias ? body.alias.trim() : ''; const longUrl = body.url; // Validasi if (!longUrl || !longUrl.startsWith('http')) { return new Response(JSON.stringify({ status: 'error', message: 'URL tidak valid' }), { headers: { 'Content-Type': 'application/json' } }); } // Generate Alias jika kosong if (!alias) { alias = Math.random().toString(36).substring(2, 8); } else { // Bersihkan alias - PERBAIKI REGEX INI alias = alias.replace(/[^a-zA-Z0-9-_]/g, ""); } // Cek database KV const existing = await env.LINKS.get(alias); if (existing) { return new Response(JSON.stringify({ status: 'error', message: 'Alias sudah dipakai!' }), { headers: { 'Content-Type': 'application/json' } }); } // Simpan ke KV (Key = Alias, Value = Long URL) await env.LINKS.put(alias, longUrl); // AUTO DETECT DOMAIN const shortUrl = `${url.origin}/${alias}`; return new Response(JSON.stringify({ status: 'success', short_url: shortUrl }), { headers: { 'Content-Type': 'application/json' } }); } catch (err) { return new Response(JSON.stringify({ status: 'error', message: 'Server Error: ' + err.message }), { headers: { 'Content-Type': 'application/json' } }); } } // 3. HANDLE REDIRECT (Get Alias) const aliasKey = path.substring(1); // Hapus slash depan if (aliasKey && aliasKey !== 'api') { const destination = await env.LINKS.get(aliasKey); if (destination) { // Encode URL untuk Anti-Bot const encoded = btoa(encodeURIComponent(destination)); return new Response(cloakingHtml(encoded), { headers: { 'Content-Type': 'text/html' } }); } } // 4. JIKA TIDAK DITEMUKAN (404) return new Response('Link Not Found', { status: 404, headers: { 'Content-Type': 'text/html' } }); } };