test-jwt.js

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#!/usr/bin/env node
require('dotenv').config();
const jwt = require('jsonwebtoken');
 
const token = process.argv[2];
const JWT_SECRET = process.env.JWT_SECRET;
 
if (!token) {
  console.error('Usage: node test-jwt.js <token>');
  process.exit(1);
}
 
console.log('JWT_SECRET:', JWT_SECRET ? `${JWT_SECRET.substring(0, 10)}...` : 'NOT SET');
console.log('Token:', token.substring(0, 50) + '...');
console.log('');
 
try {
  const decoded = jwt.verify(token, JWT_SECRET);
  console.log('✅ Token is valid!');
  console.log('Decoded:', JSON.stringify(decoded, null, 2));
} catch (err) {
  console.error('❌ Token verification failed:', err.message);
  process.exit(1);
}