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exempt users logic

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resolves #396
This commit is contained in:
Erkin Alp Güney 2022-04-28 21:30:41 +03:00 committed by GitHub
parent 1a45a36910
commit 2e451d8fd0
1 changed files with 6 additions and 2 deletions
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8
api/src/middlewares/RateLimit.ts
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@ -1,4 +1,4 @@
import { Config, listenEvent } from "@fosscord/util";
import { Config, getRights, listenEvent, Rights } from "@fosscord/util";
import { NextFunction, Request, Response, Router } from "express";
import { getIpAdress } from "@fosscord/api";
import { API_PREFIX_TRAILING_SLASH } from "./Authentication";
@ -9,6 +9,7 @@ import { API_PREFIX_TRAILING_SLASH } from "./Authentication";
/*
? bucket limit? Max actions/sec per bucket?
(ANSWER: a small fosscord instance might not need a complex rate limiting system)
TODO: delay database requests to include multiple queries
TODO: different for methods (GET/POST)
@ -44,9 +45,12 @@ export default function rateLimit(opts: {
onlyIp?: boolean;
}): any {
return async (req: Request, res: Response, next: NextFunction): Promise<any> => {
// exempt user? if so, immediately short circuit
if (getRights(req.user_id).has("BYPASS_RATE_LIMITS")) return;
const bucket_id = opts.bucket || req.originalUrl.replace(API_PREFIX_TRAILING_SLASH, "");
var executor_id = getIpAdress(req);
if (!opts.onlyIp && req.user_id) executor_id = req.user_id;
if (!opts.onlyIp && req.user_id) executor_id = req.user_id;
var max_hits = opts.count;
if (opts.bot && req.user_bot) max_hits = opts.bot;