first commits 3

utils/helpers.go

@@ -0,0 +1,19 @@
+// Copyright 2023 Harran Ali <harran.m@gmail.com>. All rights reserved.
+// Copyright (c) 2024 Zeni Kim <zenik@smarteching.com>
+// Use of this source code is governed by MIT-style
+// license that can be found in the LICENSE file.
+
+package utils
+
+import (
+	"crypto/md5"
+	"fmt"
+)
+
+// generate a hashed string to be used as key for caching auth jwt token
+func CreateAuthTokenHashedCacheKey(userID uint, userAgent string) string {
+	cacheKey := fmt.Sprintf("userid:_%v_useragent:_%v_jwt_token", userID, userAgent)
+	hashedCacheKey := fmt.Sprintf("%v", fmt.Sprintf("%x", md5.Sum([]byte(cacheKey))))
+
+	return hashedCacheKey
+}