@Override
  public AuthResult permissionGranted(String request, User user, Action permRequest,
    TableName tableName, Map<byte[], ? extends Collection<?>> families) {
    return AuthResult.allow(request, "All users allowed because authorization is disabled", user,
      permRequest, tableName, families);
  }
NoopAccessChecker is returned when hbase.security.authorization is not enabled. Always allow
authorization if any user require any permission.
hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/NoopAccessChecker.java