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import { NextFunction, Request, Response } from "express";
import Config from "../util/Config";
// TODO: use mongodb ttl index
// TODO: increment count on serverside
export async function GlobalRateLimit(req: Request, res: Response, next: NextFunction) {
return next();
// TODO: use new db mongoose models
/*
if (!Config.get().limits.rate.ip.enabled) return next();
const ip = getIpAdress(req);
let limit = (await db.data.ratelimit.global[ip].get()) || { start: Date.now(), count: 0 };
if (limit.start < Date.now() - Config.get().limits.rate.ip.timespan) {
limit.start = Date.now();
limit.count = 0;
}
if (limit.count > Config.get().limits.rate.ip.count) {
const timespan = Date.now() - limit.start;
return res
.set("Retry-After", `${timespan.toFixed(0)}`)
.set("X-RateLimit-Global", "true")
.status(429)
.json({
message: "You are being rate limited.",
retry_after: timespan,
global: true,
});
}
res.once("close", async () => {
if (res.statusCode >= 400) {
limit.count++;
await db.data.ratelimit.global[ip].set(limit);
}
});
return next();
*/
}
export function getIpAdress(req: Request): string {
const { forwadedFor } = Config.get().security;
const ip = forwadedFor ? <string>req.headers[forwadedFor] : req.ip;
return ip.replaceAll(".", "_").replaceAll(":", "_");
}
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