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48 lines
1.2 KiB
48 lines
1.2 KiB
const { RateLimiter } = require("limiter");
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const { debug } = require("../src/util");
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class KumaRateLimiter {
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constructor(config) {
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this.errorMessage = config.errorMessage;
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this.rateLimiter = new RateLimiter(config);
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}
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async pass(callback, num = 1) {
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const remainingRequests = await this.removeTokens(num);
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debug("Rate Limit (remainingRequests):" + remainingRequests);
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if (remainingRequests < 0) {
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if (callback) {
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callback({
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ok: false,
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msg: this.errorMessage,
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});
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}
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return false;
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}
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return true;
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}
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async removeTokens(num = 1) {
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return await this.rateLimiter.removeTokens(num);
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}
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}
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const loginRateLimiter = new KumaRateLimiter({
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tokensPerInterval: 20,
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interval: "minute",
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fireImmediately: true,
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errorMessage: "Too frequently, try again later."
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});
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const twoFaRateLimiter = new KumaRateLimiter({
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tokensPerInterval: 30,
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interval: "minute",
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fireImmediately: true,
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errorMessage: "Too frequently, try again later."
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});
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module.exports = {
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loginRateLimiter,
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twoFaRateLimiter,
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};
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