Code RoomJWT verification accepts unsigned tokens
HardPrep Room Coding #1670

JWT verification accepts unsigned tokens

Code reviewSecuritySenior–Staff~30 min

Review this Node.js JWT verification middleware.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix, specific and kind.

0:00 of about 30 min
Mark a line and say what kind of problem it is.0 findings
1const jwt = require('jsonwebtoken');
2 
3function authenticate(req, res, next) {
4 const token = (req.headers.authorization || '').replace('Bearer ', '');
5 try {
6 const payload = jwt.verify(token, PUBLIC_KEY);
7 req.user = payload;
8 next();
9 } catch {
10 return res.status(401).json({ error: 'unauthorized' });
11 }
12}
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.