feat: Rate limiter on requests and login attempts.

server/src/api/middleware/RateLimiterMiddleware.ts

@@ -0,0 +1,16 @@
+import { Container } from 'typedi';
+import { Request, Response, NextFunction } from 'express';
+
+/**
+ * Rate limiter middleware.
+ */
+export default (req: Request, res: Response, next: NextFunction) => {
+  const requestRateLimiter = Container.get('rateLimiter.request');
+
+  requestRateLimiter.attempt(req.ip).then(() => {
+    next();
+  })
+  .catch(() => {
+    res.status(429).send('Too Many Requests');
+  });
+}