index.js

const express = require('express')
const conn = require('./database/conn')

const jwt = require('jsonwebtoken')

const app = express()

const usersRoutes = require('./routes/usersRoutes')
const cursosRoutes = require('./routes/cursosRoutes')
const inscricoesRoutes = require('./routes/inscricoesRoutes')
const authenticationRoutes = require('./routes/authRoutes')

app.use(
    express.urlencoded({
        extended:true
    })
)
app.use(express.json())

function VerifyJWT(req, res, next){
  const token = req.body.token || req.query.token

  if(!token){
      return res.status(403).json({auth:false, message: 'No token provided'})
  }

  jwt.verify(token, 'secret_key', (err, user)=>{
    if(err){
      return res.status(403),json({message: 'Invalid Token'})
    }
    req.user = user
    next()
  })
}

app.use('/users',usersRoutes)
app.use('/cursos', VerifyJWT,cursosRoutes)
app.use('/inscricoes', VerifyJWT,inscricoesRoutes)

app.use('/login', authenticationRoutes)
app.use('/logout', authenticationRoutes)

conn.sync({ force: false }) 
  .then(() => {
    console.log('sync OK')
    app.listen(3333,()=>{
      console.log('Server starting')
     })
  })
  .catch((error) => {
    console.error('Error sync:', error);
  })