dev1/backend/shared/requireAuth.js

78 lines
2.5 KiB
JavaScript

// backend/shared/requireAuth.js
import jwt from 'jsonwebtoken';
import pool from '../config/mysqlPool.js';
function readSessionCookie(req, cookieName) {
if (req.cookies && req.cookies[cookieName]) return req.cookies[cookieName];
const raw = req.headers.cookie || '';
for (const part of raw.split(';')) {
const [k, ...rest] = part.trim().split('=');
if (k === cookieName) return decodeURIComponent(rest.join('='));
}
return null;
}
function toMs(v) {
if (v == null) return 0;
const n = typeof v === 'number' ? v : parseInt(String(v), 10);
if (!Number.isFinite(n) || Number.isNaN(n)) return 0;
return n < 1e12 ? n * 1000 : n; // convert seconds to ms if small
}
export async function requireAuth(req, res, next) {
try {
const JWT_SECRET = process.env.JWT_SECRET;
const COOKIE_NAME = process.env.SESSION_COOKIE_NAME || 'aptiva_session';
const MAX_AGE = Number(process.env.TOKEN_MAX_AGE_MS || 0);
if (!JWT_SECRET) {
console.error('[requireAuth] JWT_SECRET missing');
return res.status(500).json({ error: 'Server misconfig' });
}
// 1) Grab token
const authz = req.headers.authorization || '';
const token = authz.startsWith('Bearer ')
? authz.slice(7)
: readSessionCookie(req, COOKIE_NAME);
if (!token) return res.status(401).json({ error: 'Auth required' });
// 2) Verify
let payload;
try { payload = jwt.verify(token, JWT_SECRET); }
catch { return res.status(401).json({ error: 'Invalid or expired token' }); }
const userId = payload.id;
const iatMs = (payload.iat || 0) * 1000;
// 3) Absolute max token age
if (MAX_AGE && Date.now() - iatMs > MAX_AGE) {
return res.status(401).json({ error: 'Session expired. Please sign in again.' });
}
// 4) Password change invalidation
let changedAtMs = 0;
try {
const sql = pool.raw || pool;
const [rows] = await sql.query(
'SELECT password_changed_at FROM user_auth WHERE user_id = ? ORDER BY id DESC LIMIT 1',
[userId]
);
changedAtMs = toMs(rows?.[0]?.password_changed_at);
} catch (e) {
console.warn('[requireAuth] password_changed_at check skipped:', e?.message || e);
}
if (changedAtMs && iatMs < changedAtMs) {
return res.status(401).json({ error: 'Session invalidated. Please sign in again.' });
}
req.userId = userId;
return next();
} catch (e) {
console.error('[requireAuth]', e?.message || e);
return res.status(500).json({ error: 'Server error' });
}
}