public String getIoTDBUserName(String token) {
    Claims claims = validateToken(token);
    logger.debug("JWT was validated successfully!");
    logger.debug("ID: {}", claims.getId());
    logger.debug("Subject: {}", claims.getSubject());
    logger.debug("Issuer: {}", claims.getIssuer());
    logger.debug("Expiration: {}", claims.getExpiration());
    // Create User if not exists
    return getUsername(claims);
  }
Stores all claims to the respective user
iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/auth/authorizer/OpenIdAuthorizer.java