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const jwt = require('jsonwebtoken');
const User = require('../models/User');
const auth = async (req, res, next) => {
try {
let token;
// Check for token in headers
if (req.headers.authorization && req.headers.authorization.startsWith('Bearer')) {
token = req.headers.authorization.split(' ')[1];
}
// Check for token in query string (for websocket fallback)
else if (req.query?.token) {
token = req.query.token;
}
if (!token) {
return res.status(401).json({ error: 'No token provided, authorization denied' });
}
// Verify token
const decoded = jwt.verify(token, process.env.JWT_SECRET || 'fallback-secret');
// Check if user still exists
const user = await User.findById(decoded.userId).select('-password');
if (!user) {
return res.status(401).json({ error: 'User no longer exists' });
}
req.user = decoded;
next();
} catch (error) {
console.error('❌ Auth middleware error:', error);
if (error.name === 'JsonWebTokenError') {
return res.status(401).json({ error: 'Invalid token' });
}
if (error.name === 'TokenExpiredError') {
return res.status(401).json({ error: 'Token expired' });
}
res.status(401).json({ error: 'Token is not valid' });
}
};
module.exports = auth; |