app.js

// vim: set expandtab:
// vim: noai:ts=4:
// vim: noai:tabstop=4:
// vim: noai:shiftwidth=4:
const http = require("http");
const fs = require("fs");

// Routes
const indexRoute = require("./routes/index.js");
const loginRoute = require("./routes/login.js");
const already_logged_in = require("./routes/already_logged_in.js")
const _404Route = require("./routes/404.js");

const PORT = process.env.PORT || 8000;

const server = http.createServer(async (req, res) => {
    console.log();
    if ("user-agent" in req.headers) {
        console.log(`Request received from User-Agent: ${req.headers["user-agent"]}`);
    }

    if (req.method === "GET") {
        if (req.url === "/" || req.url === "/index.html") {
            indexRoute.handle(res);
        } else if (req.url === "/login.html") {
            if ("cookie" in req.headers) {
                console.log(req.headers);
                already_logged_in.handle(res);
            }
            loginRoute.handle(res);
        } else if (req.url === "/public/js/index.js") {
            fs.readFile("./public/js/index.js", (err, js) => {
                if (err) {
                    throw err;
                    return;
                }
                res.writeHead(200, { "Content-Type": "text/javascript" }); // TODO: "Content-Encoding": "gzip"
                res.write(js);
                res.end();
            });
        } else {
            _404Route.handle(res);
        }
    } else if (req.method === "POST") {
        req.on('data', (chunk) => {
            console.log(`Received data: ${chunk}`);
            res.writeHead(303, { "Location": "/", "Set-Cookie": chunk });
            res.end();
        });
        req.on('end', () => {
            console.log('POST data ended');
        });
    } else {
        console.log(`Encountered unknown method: ${req.method}`);
    }
});

server.listen(PORT, () => {
    console.log(`server started on port: ${PORT}`);
});