BillTracker/server.js

102 lines
5.5 KiB
JavaScript

const express = require('express');
const cookieParser = require('cookie-parser');
const path = require('path');
const { getDb } = require('./db/database');
const { requireAuth, requireUser, requireAdmin } = require('./middleware/requireAuth');
const { recordError } = require('./services/statusRuntime');
const { securityHeaders } = require('./middleware/securityHeaders');
const { importLimiter, exportLimiter, adminActionLimiter, oidcLimiter } =
require('./middleware/rateLimiter');
const app = express();
const PORT = process.env.PORT || 3000;
const DIST = path.join(__dirname, 'dist');
// ── Security headers (applied to every response) ──────────────────────────────
app.use(securityHeaders);
// ── CORS — disabled unless CORS_ORIGIN is explicitly configured ───────────────
// The default same-origin deployment (Express serves both API and UI) needs no
// CORS headers. Set CORS_ORIGIN=https://your-frontend.example.com only when
// the frontend is hosted on a separate origin.
if (process.env.CORS_ORIGIN) {
const cors = require('cors');
const allowed = process.env.CORS_ORIGIN.split(',').map(s => s.trim()).filter(Boolean);
app.use(cors({ credentials: true, origin: allowed }));
}
app.use(express.json());
app.use(cookieParser());
// ── API ───────────────────────────────────────────────────────────────────────
// Auth — login and password-change rate limits are applied inside the route file
app.use('/api/auth', require('./routes/auth'));
// OIDC — rate-limited; returns 501 gracefully when OIDC is not configured
app.use('/api/auth/oidc', oidcLimiter, require('./routes/authOidc'));
// Admin — all routes already require auth+admin; mutation-heavy routes get
// an additional per-IP rate limit applied to the whole admin namespace
app.use('/api/admin', requireAuth, requireAdmin, adminActionLimiter, require('./routes/admin'));
app.use('/api/tracker', requireAuth, requireUser, require('./routes/tracker'));
app.use('/api/bills', requireAuth, requireUser, require('./routes/bills'));
app.use('/api/payments', requireAuth, requireUser, require('./routes/payments'));
app.use('/api/categories', requireAuth, requireUser, require('./routes/categories'));
app.use('/api/settings', requireAuth, requireUser, require('./routes/settings'));
app.use('/api/notifications', requireAuth, require('./routes/notifications'));
app.use('/api/status', requireAuth, require('./routes/status'));
app.use('/api/version', require('./routes/version')); // public
// Profile — password-change rate limit applied inside the route file
app.use('/api/profile', requireAuth, requireUser, require('./routes/profile'));
// Export / Import — per-IP rate limited to deter abuse and resource exhaustion
app.use('/api/export', requireAuth, requireUser, exportLimiter, require('./routes/export'));
app.use('/api/import', requireAuth, requireUser, importLimiter, require('./routes/import'));
// ── Legacy UI ("Remember When" mode) ─────────────────────────────────────────
app.use('/legacy', express.static(path.join(__dirname, 'legacy')));
// ── Modern UI (Vite build) ────────────────────────────────────────────────────
app.use(express.static(DIST));
app.get('*', (req, res) => res.sendFile(path.join(DIST, 'index.html')));
// ── Global error handler ──────────────────────────────────────────────────────
// Never expose stack traces, internal paths, or raw error objects in responses.
app.use((err, req, res, next) => {
recordError('Express', err);
console.error('[error]', err.message || String(err));
if (req.path?.startsWith('/api/import/')) {
const isBodyError = err.type === 'entity.too.large' || err instanceof SyntaxError;
return res.status(err.status || (isBodyError ? 400 : 500)).json({
error: 'Import request failed',
message: isBodyError
? 'The import request could not be read. Please retry with a smaller or valid file.'
: 'Unexpected import server error. Please try again.',
code: isBodyError ? 'IMPORT_REQUEST_ERROR' : 'IMPORT_SERVER_ERROR',
});
}
res.status(err.status || 500).json({
error: err.status ? err.message : 'Internal server error',
});
});
// ── Bootstrap ─────────────────────────────────────────────────────────────────
async function main() {
const db = getDb();
const userCount = db.prepare('SELECT COUNT(*) AS count FROM users').get().count;
if (userCount === 0) await require('./setup/firstRun').run(db);
require('./workers/dailyWorker').start();
require('./services/backupScheduler').start();
app.listen(PORT, () => console.log(`Bill Tracker running at http://localhost:${PORT}`));
}
main().catch(err => { console.error('Startup failed:', err); process.exit(1); });