bin/routes/upload.js

49 lines
1.2 KiB
JavaScript

const express = require('express');
const router = express.Router();
const handler = require('express-async-handler');
const content = require('../helpers/content');
const crypto = require('crypto');
const { MAXFILES } = process.env;
async function upload(req, res) {
if (req.body['_csrf'] != req.session.csrf) {
res.status(405).send('CSRF error');
return;
}
if (!req.body[req.session.captcha_input]) {
res.status(405).send('Captcha error; please go back and refresh the page a few times.');
return;
}
if (req.body[req.session.captcha_input] != req.session.captcha) {
res.status(405).send('Bad captcha');
return;
}
req.session.captcha = crypto.randomBytes(8).toString('base64').substring(0,6);
if (content.submitted() >= MAXFILES) {
res.status(405).send('Not allowed');
return;
}
const data = req.body.text;
if (data.length < 8) {
res.send('Too short');
return;
}
const id = await content.create(data);
res.redirect(
'/view?id=' + encodeURIComponent(id)
);
}
router.post('/upload', handler(upload));
module.exports = router;