1.4.5.2

EdgeNode/internal/utils/bfs/hash.go

@@ -0,0 +1,36 @@
+// Copyright 2024 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package bfs
+
+import (
+	"fmt"
+	stringutil "github.com/iwind/TeaGo/utils/string"
+)
+
+var HashLen = 32
+
+// CheckHash check hash string format
+func CheckHash(hash string) bool {
+	if len(hash) != HashLen {
+		return false
+	}
+
+	for _, b := range hash {
+		if !((b >= '0' && b <= '9') || (b >= 'a' && b <= 'f')) {
+			return false
+		}
+	}
+
+	return true
+}
+
+func CheckHashErr(hash string) error {
+	if CheckHash(hash) {
+		return nil
+	}
+	return fmt.Errorf("check hash '%s' failed: %w", hash, ErrInvalidHash)
+}
+
+func Hash(s string) string {
+	return stringutil.Md5(s)
+}