backend: add rate limiting

1 files changed, 20 insertions, 0 deletions

diff --git a/backend/api/rate.go b/backend/api/rate.go
new file mode 100644
index 0000000..1e262af
--- /dev/null
+++ b/backend/api/rate.go
@@ -0,0 +1,20 @@
+package api
+
+import (
+        "net/http"
+
+        "golang.org/x/time/rate"
+
+        "github.com/gin-gonic/gin"
+)
+
+func RateLimit(c *gin.Context) {
+        limiter := rate.NewLimiter(1, 5) // don't know if this is too much or not enough tbh
+        if limiter.Allow() {
+                c.Next()
+        } else {
+                c.AbortWithStatusJSON(http.StatusTooManyRequests, gin.H{
+                        "error": "Rate limit exceeded",
+                })
+        }
+}