Riscrivi backend per hosting Node/MariaDB/PM2 (no Cloudflare)

L'utente ha un hosting Virtualmin esistente (musictools.djluza.com)
con Apache + Node 20 + MariaDB + PM2. Tutta l'infrastruttura
Cloudflare (Workers/D1/R2/Pages) e' rimpiazzata con un backend
Express che gira sul server gia' presente, a costo zero.

Cambia:
- server/src/*.ts (Workers) -> server/src/*.js (Node ESM puro)
- D1 (sqlite) -> MariaDB 10.11 via mysql2/promise
- R2 (storage) -> filesystem locale ~/builds/ + signed URL HMAC
- wrangler.toml -> ecosystem.config.cjs (PM2)
- Aggiunto src/migrate.js: runner SQL idempotente

Endpoints invariati - l'app desktop non vede differenze:
- POST /api/license/{activate,validate,deactivate}
- GET  /api/latest, /api/download
- POST /api/webhook/lemonsqueezy
- GET  /api/health

README riscritto con istruzioni complete: creazione DB,
deploy via rsync/git, config Apache reverse proxy via
Virtualmin, gestione PM2, backup, workflow release.

Email rimane su Resend (deliverability) - free tier sufficiente.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
luzadevandClaude Opus 4.7 committed 2026-06-09 00:15:53 +02:00
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/**
* Invio email transazionali via Resend (https://resend.com).
* Usa fetch nativo di Node >= 20 — nessuna dipendenza.
*
* Variabili env richieste:
* RESEND_API_KEY dal dashboard Resend
* EMAIL_FROM "MusicTools <noreply@djluza.com>" (dominio verificato)
*/
const FROM = process.env.EMAIL_FROM || "MusicTools <noreply@djluza.com>";
export async function sendLicenseEmail(to, licenseKey) {
if (!process.env.RESEND_API_KEY) {
console.warn("[email] RESEND_API_KEY non impostata, skip invio a", to);
return;
}
const html = `
<div style="font-family:-apple-system,Segoe UI,sans-serif;max-width:560px;margin:0 auto;padding:24px;color:#111">
<h1 style="color:#1db954;margin:0 0 14px;font-size:22px">Grazie per aver scelto MusicTools!</h1>
<p style="font-size:15px;line-height:1.55;margin:0 0 18px">
Ecco la tua chiave di licenza. Conservala con cura — ti servira' per attivare l'app.
</p>
<p style="font-size:22px;letter-spacing:2px;font-family:monospace;background:#f4f4f4;padding:16px;border-radius:10px;text-align:center;margin:0 0 24px;color:#000">
${licenseKey}
</p>
<p style="font-size:15px;margin:0 0 8px"><strong>Come attivare:</strong></p>
<ol style="font-size:14.5px;line-height:1.6;padding-left:22px">
<li>Scarica MusicTools per <a href="https://musictools.djluza.com#pricing">Mac o Windows</a></li>
<li>Apri l'app: alla prima schermata ti chiedera' email e chiave</li>
<li>Inserisci questa email (<code>${to}</code>) e la chiave qui sopra</li>
</ol>
<p style="font-size:14px;color:#555;margin:18px 0 0">Puoi attivare la licenza fino a 3 dispositivi (Mac e Windows mixati).</p>
<hr style="border:none;border-top:1px solid #eee;margin:28px 0"/>
<p style="color:#666;font-size:12px;margin:0">Hai problemi? Scrivici a <a href="mailto:info@djluza.com">info@djluza.com</a></p>
</div>
`;
const resp = await fetch("https://api.resend.com/emails", {
method: "POST",
headers: {
"Authorization": `Bearer ${process.env.RESEND_API_KEY}`,
"Content-Type": "application/json",
},
body: JSON.stringify({
from: FROM,
to: [to],
subject: "La tua licenza MusicTools",
html,
}),
});
if (!resp.ok) {
const txt = await resp.text();
throw new Error(`Resend ${resp.status}: ${txt}`);
}
}