From 2529b58d4db8e73af977bbb601f966d9821c2367 Mon Sep 17 00:00:00 2001
From: Yeates <ye3245@sina.com>
Date: Tue, 5 Nov 2024 13:39:47 +0800
Subject: [PATCH] refactor(secret): optimize performance by moving ToLower
 operation outside loop (#7862)

---
 pkg/fanal/secret/scanner.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkg/fanal/secret/scanner.go b/pkg/fanal/secret/scanner.go
index 33a3806f41b4..01283ea42a46 100644
--- a/pkg/fanal/secret/scanner.go
+++ b/pkg/fanal/secret/scanner.go
@@ -175,9 +175,9 @@ func (r *Rule) MatchKeywords(content []byte) bool {
 	if len(r.Keywords) == 0 {
 		return true
 	}
-
+	var contentLower = bytes.ToLower(content)
 	for _, kw := range r.Keywords {
-		if bytes.Contains(bytes.ToLower(content), []byte(strings.ToLower(kw))) {
+		if bytes.Contains(contentLower, []byte(strings.ToLower(kw))) {
 			return true
 		}
 	}