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Modularize server into multiple files

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schlagmichdoch 2023-11-02 03:17:20 +01:00
parent d9270a5560
commit cb72edef20
8 changed files with 923 additions and 901 deletions
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server/server.js Normal file
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import express from "express";
import RateLimit from "express-rate-limit";
import {fileURLToPath} from "url";
import path, {dirname} from "path";
import http from "http";
export default class PairDropServer {
constructor(conf) {
const app = express();
if (conf.rateLimit) {
const limiter = RateLimit({
windowMs: 5 * 60 * 1000, // 5 minutes
max: 1000, // Limit each IP to 1000 requests per `window` (here, per 5 minutes)
message: 'Too many requests from this IP Address, please try again after 5 minutes.',
standardHeaders: true, // Return rate limit info in the `RateLimit-*` headers
legacyHeaders: false, // Disable the `X-RateLimit-*` headers
})
app.use(limiter);
// ensure correct client ip and not the ip of the reverse proxy is used for rate limiting
// see https://express-rate-limit.mintlify.app/guides/troubleshooting-proxy-issues
app.set('trust proxy', conf.rateLimit);
if (!conf.debugMode) {
console.log("Use DEBUG_MODE=true to find correct number for RATE_LIMIT.");
}
}
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
const publicPathAbs = conf.wsFallback
? path.join(__dirname, '../public_included_ws_fallback')
: path.join(__dirname, '../public');
app.use(express.static(publicPathAbs));
app.use((req, res) => {
if (conf.debugMode && conf.rateLimit && req.path === "/ip") {
console.debug("\n");
console.debug("----DEBUG RATE_LIMIT----")
console.debug("To find out the correct value for RATE_LIMIT go to '/ip' and ensure the returned IP-address is the IP-address of your client.")
console.debug("See https://github.com/express-rate-limit/express-rate-limit#troubleshooting-proxy-issues for more info")
res.send(req.ip);
}
res.redirect(301, '/');
});
app.get('/', (req, res) => {
res.sendFile('index.html');
console.log(`Serving client files from:\n${publicPathAbs}`)
});
const hostname = conf.localhostOnly ? '127.0.0.1' : null;
const server = http.createServer(app);
server.listen(conf.port, hostname);
server.on('error', (err) => {
if (err.code === 'EADDRINUSE') {
console.error(err);
console.info("Error EADDRINUSE received, exiting process without restarting process...");
process.exit(1)
}
});
this.server = server
}
}