54 lines
1.4 KiB
JavaScript
54 lines
1.4 KiB
JavaScript
const bodyParser = require('body-parser');
|
|
const express = require('express');
|
|
const Helper = require('./helper');
|
|
const fs = require('fs');
|
|
|
|
const Printer = require('./print');
|
|
let app = express();
|
|
|
|
let port = 8080;
|
|
|
|
module.exports.listen = function() {
|
|
app.listen(port);
|
|
}
|
|
|
|
app.use(bodyParser.json());
|
|
app.use(bodyParser.urlencoded({ extended: true }));
|
|
app.use(express.static('./client'))
|
|
|
|
app.get('/', function (req, res) {
|
|
res.sendFile( __dirname + '/client');
|
|
});
|
|
|
|
app.get('/print', async function (req, res) {
|
|
let rate = await rateLimit();
|
|
if (rate == -1) return;
|
|
|
|
let inname = req.query.name;
|
|
let incoords = req.query.coords;
|
|
console.log('New print request for ', inname, ' at ', incoords);
|
|
|
|
let set = Printer.getprintqueue();
|
|
set.push({
|
|
name: inname,
|
|
coords: incoords
|
|
});
|
|
Printer.setprintqueue(set);
|
|
if (!Printer.printing()) Printer.print();
|
|
res.end('200 OK');
|
|
});
|
|
|
|
let requests = [];
|
|
async function rateLimit() {
|
|
if (requests.indexOf(req.connection.remoteAddress) != -1) {
|
|
res.end('400 BAD REQUEST: TO MANY REQUESTS');
|
|
await Helper.sleep('3000');
|
|
|
|
while (requests.indexOf(req.connection.remoteAddress) != -1) {
|
|
requests.splice(requests.indexOf(req.connection.remoteAddress), 1);
|
|
}
|
|
return -1;
|
|
}
|
|
requests.push(req.connection.remoteAddress);
|
|
}
|