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server.js
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server.js
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const fs = require("fs");
const path = require("path");
const express = require("express");
const cookieParser = require("cookie-parser");
const useragent = require("express-useragent");
const helmet = require("helmet");
const compression = require("compression");
const logger = require("morgan");
const config = require("./config")
const db = require("./db");
const api = require("./api");
const i18n = require("./i18n");
const cache = require("./cache");
const router = require("./routes");
class Server
{
constructor(port)
{
this.port = port;
this.db = db;
this.app = express();
this.app
.use(cookieParser())
.use(useragent.express())
.use(helmet())
.use(compression())
.use(express.json({ limit: "10mb" }))
.use(express.urlencoded({ extended: true }));
this.app.use(helmet.contentSecurityPolicy({
useDefaults: true,
directives: {
defaultSrc: ["'self'", "oauth.telegram.org"],
styleSrc: ["'self'"],
scriptSrc: ["'self'", "'unsafe-eval'", "telegram.org"]
}}));
this.app.use(async (req, res, next) => {
res.locals.ip = req.header("x-real-ip") || req.ip;
res.locals.clientLang = req.query["lang"] || req.cookies["lang"];
if (!i18n[res.locals.clientLang]) {
res.locals.clientLang = "eng";
}
res.locals.authorized = req.cookies.userid && req.cookies.session
&& await db.hasSession(req.cookies.userid, req.cookies.session);
res.set("Server", "Desu");
logger(
res.locals.ip.padEnd(15, ' ') + " [:date[iso]] "
+ (res.locals.authorized ? req.cookies.userid.padStart(11, ' ') : " ")
+ ' ":method :url HTTP/:http-version" :status :res[content-length] ":referrer" ":user-agent"',
{
skip: (req, res) => req.method == "GET" && res.statusCode < 400
})(req, res, next);
});
this.app.get(/.+\/$/, (req, res, next) => res.redirect(req.url.slice(0, -1)));
this.app
.use("/i18n", router.i18n)
.use("/img", router.img)
.use("/css", router.css)
.use("/layouts", router.layouts)
.use("/js", router.js)
.use("/policy", router.policy)
.use("/settings", router.settings)
.use("/friends", router.friends)
.use("/", router.root)
.use("/api", router.api);
this.app.all(/.*/, (req, res, next) => next(404));
this.app.use((err, req, res, next) => {
if (isNaN(err)) {
console.error(err);
err = 500;
}
res
.status(err)
.type(".html")
.set("Cache-Control", "public, max-age: 0")
.send(cache.page({
status: err,
lang: i18n[res.locals.clientLang].meta.lang,
descr: i18n[res.locals.clientLang].errors[404].descr,
url: req.hostname + req.path,
css: "css/basic.css",
canonical: req.hostname + req.path,
title: i18n[res.locals.clientLang].errors[404].title,
type: "website"
}));
});
}
async start()
{
await this.db.start();
this.app.listen(this.port, () => {
console.log(`Server running at localhost on port ${this.port}`);
});
this.app.on("connection", socket => {
socket.setKeepAlive(true);
});
}
async stop()
{
console.log("Stop the server...");
await this.db.stop();
process.exit(0);
}
async reload()
{
console.log("Reload the server...");
cache.load();
await this.db.restart();
console.log("Server reloaded.");
}
}
module.exports = Server;