// For derived credentials, check the parent user's permissions.
		username = cred.ParentUser
	}

	principalType := "Anonymous"
	if username != "" {
		principalType = "User"
		if len(claims) > 0 {
			principalType = "AssumedRole"
		}
		if username == globalActiveCred.AccessKey {
			principalType = "Account"
		}
	}

	vid := r.Form.Get(xhttp.VersionID)
	if vid == "" {

        "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
      ],
      "X-Amz-Date": [
        "20220507T183141Z"
      ],
      "authType": [
        "REST-HEADER"
      ],
      "principaltype": [
        "Account"
      ],
      "signatureversion": [
        "AWS4-HMAC-SHA256"
      ],
      "userid": [
        "minio"
      ],
      "username": [
        "minio"
      ],