cyp/index.js
Ondrej Zara a6da50e9c9 tickets
2019-04-15 15:13:38 +02:00

91 lines
2.3 KiB
JavaScript

const static = require("node-static");
const app = new static.Server("./app");
const port = Number(process.argv[2]) || 8080;
let tickets = [];
const cmd = "youtube-dl";
function downloadYoutube(q, response) {
response.setHeader("Content-Type", "text/plain"); // necessary for firefox to read by chunks
// response.setHeader("Content-Type", "text/plain; charset=utf-8");
console.log("YouTube downloading", q);
let args = [
"-f", "bestaudio",
"-o", `${__dirname}/_youtube/%(title)s-%(id)s.%(ext)s`,
q
]
let child = require("child_process").spawn(cmd, args);
child.stdout.setEncoding("utf8").on("data", chunk => response.write(chunk));
child.stderr.setEncoding("utf8").on("data", chunk => response.write(chunk));
child.on("error", error => {
console.log(error);
response.writeHead(500);
response.end(error.message);
});
child.on("close", code => {
if (code != 0) { // fixme
}
response.end();
});
}
function handleYoutube(request, response) {
let str = "";
request.setEncoding("utf8");
request.on("data", chunk => str += chunk);
request.on("end", () => {
let q = require("querystring").parse(str)["q"];
if (q) {
downloadYoutube(q, response);
} else {
response.writeHead(404);
response.end();
}
});
}
function handleTicket(request, response) {
request.resume().on("end", () => {
let ticket = require("crypto").randomBytes(16).toString("hex");
tickets.push(ticket);
if (tickets.length > 10) { tickets.shift(); }
let data = {ticket};
response.setHeader("Content-Type", "application/json");
response.end(JSON.stringify(data));
});
}
function onRequest(request, response) {
switch (true) {
case request.method == "POST" && request.url == "/youtube":
return handleYoutube(request, response);
case request.method == "POST" && request.url == "/ticket":
return handleTicket(request, response);
default:
return request.on("end", () => app.serve(request, response)).resume();
}
}
function requestValidator(request) {
let ticket = request.resourceURL.query["ticket"];
let index = tickets.indexOf(ticket);
if (index > -1) {
tickets.splice(index, 1);
return true;
} else {
return false;
}
}
let httpServer = require("http").createServer(onRequest).listen(port);
require("ws2mpd").ws2mpd(httpServer, requestValidator);
require("ws2mpd").logging(false);