first commit

2026-07-16 20:48:43 -03:00
commit 5696cee264
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+import { Request, Response, NextFunction } from "express";
+import { ApiValidationError } from "../Models/Server.Error.model";
+
+const ipLastRequest = new Map<string, number>();
+
+// Limpia las IPs cada hora
+setInterval(() => {
+    const now = Date.now();
+    const timeLimit = process.env.WAP_TIME_LIMIT ? parseInt(process.env.WAP_TIME_LIMIT) : 5000;
+    ipLastRequest.forEach((time, ip) => {
+        if (now - time > timeLimit) ipLastRequest.delete(ip);
+    });
+}, 3600000);
+
+export async function rateLimiter(
+    request: Request,
+    response: Response,
+    next: NextFunction
+): Promise<void | Response | ApiValidationError> {
+    const ip = request.ip;
+    const timeLimit = process.env.WAP_TIME_LIMIT ? parseInt(process.env.WAP_TIME_LIMIT) : 5000;
+    const currentTime = Date.now();
+    const lastRequestTime = ipLastRequest.get(ip) || 0;
+    if (currentTime - lastRequestTime < timeLimit) {
+        response
+            .status(429)
+            .json(new ApiValidationError(429, "Demasiadas solicitudes. Por favor espere!"));
+        return;
+    }
+
+    ipLastRequest.set(ip, currentTime);
+    next();
+}