const express = require('express')
const dotenv = require('dotenv');
const jwt = require('jsonwebtoken');
const fs = require('fs');
const cors = require('cors')
const app = express()
let corsOptions = fs.readFileSync('origin.cors');
app.use(cors(corsOptions));
dotenv.config();
let port = process.env.PORT || 5000;
app.get('/*', (req, res, next) => {
try {
const token = req.query.access_token;
var public_key = fs.readFileSync('id_rsa.pub');
const verified = jwt.verify(token, public_key, { algorithms: 'RS512'});
if(verified){
var path = require('path');
let file = req.params[0];
return res.sendFile(file, { root: path.join(__dirname, '../') });
}else{
// Access Denied
return res.status(401).send(error);
}
} catch (error) {
// JsonWebTokenError @invalid token
return res.status(400).send(error);
}
})

app.listen(port, () => {
console.log(`FileAccessJWT API listening on port ${port}`)
})