Initial

server/middleware/auth.js

@@ -0,0 +1,49 @@
+const jwt = require('jsonwebtoken');
+const { one } = require('../db');
+
+const JWT_SECRET = process.env.MIXEDASSETS_JWT_SECRET || 'mixedassets-local-development-secret';
+
+function publicUser(user) {
+  if (!user) return null;
+  return {
+    id: user.id,
+    name: user.name,
+    email: user.email,
+    role: user.role,
+    teamId: user.team_id
+  };
+}
+
+function tokenFor(user) {
+  return jwt.sign({ sub: user.id, role: user.role, teamId: user.team_id }, JWT_SECRET, { expiresIn: '12h' });
+}
+
+function requireAuth(req, res, next) {
+  const header = req.headers.authorization || '';
+  const [, token] = header.split(' ');
+  if (!token) return res.status(401).json({ error: 'Authentication required' });
+
+  try {
+    const payload = jwt.verify(token, JWT_SECRET);
+    const user = one('SELECT * FROM users WHERE id = ? AND status = ?', [payload.sub, 'active']);
+    if (!user) return res.status(401).json({ error: 'User is inactive or missing' });
+    req.user = user;
+    return next();
+  } catch {
+    return res.status(401).json({ error: 'Invalid or expired token' });
+  }
+}
+
+function requireRole(...roles) {
+  return (req, res, next) => {
+    if (!roles.includes(req.user.role)) return res.status(403).json({ error: 'Insufficient access' });
+    return next();
+  };
+}
+
+module.exports = {
+  publicUser,
+  requireAuth,
+  requireRole,
+  tokenFor
+};