init

internal/security/http.go

@@ -0,0 +1,20 @@
+package security
+
+import "net/http"
+
+func MaxBody(n int64, next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		r.Body = http.MaxBytesReader(w, r.Body, n)
+		next.ServeHTTP(w, r)
+	})
+}
+
+func SecurityHeaders(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("X-Content-Type-Options", "nosniff")
+		w.Header().Set("X-Frame-Options", "DENY")
+		w.Header().Set("Referrer-Policy", "no-referrer")
+		w.Header().Set("Content-Security-Policy", "default-src 'self'")
+		next.ServeHTTP(w, r)
+	})
+}