limiter

utils/middleware/rate_limiter.go

@@ -0,0 +1,26 @@
+package middleware
+
+import (
+	"time"
+
+	"github.com/gofiber/fiber/v2"
+	"github.com/gofiber/fiber/v2/middleware/limiter"
+)
+
+func RateLimiter() fiber.Handler {
+	return limiter.New(limiter.Config{
+		Max:        20,
+		Expiration: 1 * time.Minute,
+		KeyGenerator: func(c *fiber.Ctx) string {
+			if ip := c.Get("X-Real-IP"); ip != "" {
+				return ip
+			}
+			return c.IP()
+		},
+		LimitReached: func(c *fiber.Ctx) error {
+			return c.Status(fiber.StatusTooManyRequests).JSON(fiber.Map{
+				"error": "Rate limit exceeded. Try again later.",
+			})
+		},
+	})
+}