51 lines
1.3 KiB
JavaScript
51 lines
1.3 KiB
JavaScript
import {Logger} from './logger';
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let buckets = { };
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let requestsPerSecond = 0.2;
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export class RateLimits {
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constructor() {
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Logger.info('Initialized ratelimiting middleware');
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setInterval(this.tick, 1000 / requestsPerSecond);
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}
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async request(obj, client, next) {
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let id = obj.author.id;
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if (id == client.user.id) { return; }
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if (!buckets[id]) {
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Logger.debug(`New rate limiting bucket`);
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buckets[id] = {id: id, tokens: [], lastUsed: new Date().getTime()};
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for (let i = 0; i < requestsPerSecond; i++) {
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buckets[id].tokens.push(1);
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}
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next();
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return;
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}
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buckets[id].lastUsed = new Date().getTime();
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Logger.debug(buckets[id].tokens.length);
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if (buckets[id].tokens.length <= 0) {
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Logger.middleware(`${id} is being rate limited`);
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obj.limiting = true;
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next();
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return;
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}
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buckets[id].tokens.pop();
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next();
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}
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tick() {
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for (let bucket in buckets) {
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if (buckets[bucket].tokens.length > requestsPerSecond) {
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continue;
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}
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buckets[bucket].tokens.push(1);
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}
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}
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}
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