send/server/portal_server.js
Daniela Arcese 6c29e33946 format
2017-06-06 17:24:51 -04:00

112 lines
2.6 KiB
JavaScript

const express = require('express');
const busboy = require('connect-busboy');
const path = require('path');
const fs = require('fs-extra');
const bodyParser = require('body-parser');
const crypto = require('crypto');
const app = express();
const redis = require('redis'),
client = redis.createClient();
client.on('error', err => {
console.log(err);
});
app.use(busboy());
app.use(bodyParser.json());
app.use(express.static(path.join(__dirname, '../public')));
app.get('/download/:id', (req, res) => {
res.sendFile(path.join(__dirname + '/../public/download.html'));
});
app.get('/assets/download/:id', (req, res) => {
let id = req.params.id;
if (!validateID(id)) {
res.send(404);
return;
}
client.hget(id, 'filename', (err, reply) => {
// maybe some expiration logic too
if (!reply) {
res.sendStatus(404);
} else {
res.setHeader('Content-Disposition', 'attachment; filename=' + reply);
res.setHeader('Content-Type', 'application/octet-stream');
res.download(__dirname + '/../static/' + id, reply, err => {
if (!err) {
client.del(id);
fs.unlinkSync(__dirname + '/../static/' + id);
}
});
}
});
});
app.post('/delete/:id', (req, res) => {
let id = req.params.id;
if (!validateID(id)) {
res.send(404);
return;
}
let delete_token = req.body.delete_token;
if (!delete_token) {
res.sendStatus(404);
}
client.hget(id, 'delete', (err, reply) => {
if (!reply) {
res.sendStatus(404);
} else {
client.del(id);
fs.unlinkSync(__dirname + '/../static/' + id);
res.sendStatus(200);
}
});
});
app.post('/upload/:id', (req, res, next) => {
if (!validateID(req.params.id)) {
res.send(404);
return;
}
let fstream;
req.pipe(req.busboy);
req.busboy.on('file', (fieldname, file, filename) => {
console.log('Uploading: ' + filename);
//Path where image will be uploaded
fstream = fs.createWriteStream(__dirname + '/../static/' + req.params.id);
file.pipe(fstream);
fstream.on('close', () => {
let id = req.params.id;
let uuid = crypto.randomBytes(10).toString('hex');
client.hmset([id, 'filename', filename, 'delete', uuid]);
// delete the file off the server in 24 hours
// setTimeout(() => {
// fs.unlinkSync(__dirname + "/static/" + id);
// }, 86400000);
client.expire(id, 86400000);
console.log('Upload Finished of ' + filename);
res.send(uuid);
});
});
});
app.listen(3000, () => {
console.log('Portal app listening on port 3000!');
});
let validateID = route_id => {
return route_id.match(/^[0-9a-fA-F]{32}$/) !== null;
};