add server to monorepo.

packages/server/src/services/Authentication/RateLimiter.ts

@@ -0,0 +1,49 @@
+import { RateLimiterClusterMasterPM2, RateLimiterMemory, RateLimiterRedis, RateLimiterRes } from 'rate-limiter-flexible';
+
+export default class RateLimiter {
+  rateLimiter: RateLimiterRedis;
+
+   /**
+   * Rate limiter redis constructor.
+   * @param {RateLimiterRedis} rateLimiter 
+   */
+  constructor(rateLimiter: RateLimiterMemory) {
+    this.rateLimiter = rateLimiter;
+  }
+
+  /**
+   * 
+   * @return {boolean}
+   */
+  public attempt(key: string, pointsToConsume = 1): Promise<RateLimiterRes> {
+    return this.rateLimiter.consume(key, pointsToConsume);
+  }
+
+  /**
+   * Increment the counter for a given key for a given decay time.
+   * @param {string} key -
+   */
+  public hit(
+    key: string | number,
+    points: number,
+    secDuration: number,
+  ): Promise<RateLimiterRes> {
+    return this.rateLimiter.penalty(key, points, secDuration);
+  }
+
+  /**
+   * Retrieve the rate limiter response of the given key.
+   * @param {string} key 
+   */
+  public get(key: string): Promise<RateLimiterRes> {
+    return this.rateLimiter.get(key);
+  }
+
+  /**
+   * Resets the rate limiter of the given key.
+   * @param key 
+   */
+  public reset(key: string): Promise<boolean> {
+    return this.rateLimiter.delete(key);
+  }
+}