private Claims validateToken(String token) {
    return Jwts.parser()
        // Basically ignore the Expiration Date, if there is any???
        .setAllowedClockSkewSeconds(Long.MAX_VALUE / 1000)
        // .setSigningKey(DatatypeConverter.parseBase64Binary(secret))
        .setSigningKey(providerKey)
        .parseClaimsJws(token)
        .getBody();
  }
Stores all claims to the respective user
iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/auth/authorizer/OpenIdAuthorizer.java