Function CreateTimeLimitCode

internal/tool/tool.go:92–119

CreateTimeLimitCode generates a time limit code based on given input data. Format: 12 length date time string + 6 minutes string + 40 sha1 encoded string

(data string, minutes int, startInf any)

// CreateTimeLimitCode generates a time limit code based on given input data.
// Format: 12 length date time string + 6 minutes string + 40 sha1 encoded string
func CreateTimeLimitCode(data string, minutes int, startInf any) string {
	format := "200601021504"

	var start, end time.Time
	var startStr, endStr string

	if startInf == nil {
		// Use now time create code
		start = time.Now()
		startStr = start.Format(format)
	} else {
		// use start string create code
		startStr = startInf.(string)
		start, _ = time.ParseInLocation(format, startStr, time.Local)
		startStr = start.Format(format)
	}

	end = start.Add(time.Minute * time.Duration(minutes))
	endStr = end.Format(format)

	// create sha1 encode string
	sh := sha1.New()
	_, _ = sh.Write([]byte(data + conf.Security.SecretKey + startStr + endStr + com.ToStr(minutes)))
	encoded := hex.EncodeToString(sh.Sum(nil))

	code := fmt.Sprintf("%s%06d%s", startStr, minutes, encoded)
	return code
}

// HashEmail hashes email address to MD5 string.
// https://en.gravatar.com/site/implement/hash/