How to use

needsAuthentication

method

in

org.jgroups.protocols.SASL

public Object down(Message msg) {
  GmsHeader hdr =msg.getHeader(GMS_ID);
  Address remoteAddress = msg.getDest();
  if (needsAuthentication(hdr, remoteAddress)) {
    // We are a client who needs to authenticate
    SaslClientContext ctx = null;
    try {
      ctx = new SaslClientContext(saslClientFactory, mech, server_name != null ? server_name : remoteAddress.toString(), client_callback_handler, sasl_props, client_subject);
      sasl_context.put(remoteAddress, ctx);
      ctx.addHeader(msg, null);
    } catch (Exception e) {
      if (ctx != null) {
        disposeContext(remoteAddress);
      }
      throw new SecurityException(e);
    }
  }
  return down_prot.down(msg);
}

@Override
public void up(MessageBatch batch) {
  for (Message msg : batch) {
    // If we have a join or merge request --> authenticate, else pass up
    GmsHeader gmsHeader =msg.getHeader(GMS_ID);
    Address remoteAddress = msg.getSrc();
    if (needsAuthentication(gmsHeader, remoteAddress)) {
      SaslHeader saslHeader =msg.getHeader(id);
      if (saslHeader == null) {
        log.warn("Found GMS join or merge request but no SASL header");
        sendRejectionMessage(gmsHeader.getType(), batch.sender(), "join or merge without an SASL header");
        batch.remove(msg);
      } else if (!serverChallenge(gmsHeader, saslHeader, msg)) // authentication failed
        batch.remove(msg); // don't pass up
    }
  }
  if (!batch.isEmpty())
    up_prot.up(batch);
}

GmsHeader gmsHeader =msg.getHeader(GMS_ID);
Address remoteAddress = msg.getSrc();
if (needsAuthentication(gmsHeader, remoteAddress)) {
  if (saslHeader == null)
    throw new IllegalStateException("Found GMS join or merge request but no SASL header");

public Object down(Message msg) {
  GmsHeader hdr =msg.getHeader(GMS_ID);
  Address remoteAddress = msg.getDest();
  if (needsAuthentication(hdr, remoteAddress)) {
    // We are a client who needs to authenticate
    SaslClientContext ctx = null;
    try {
      ctx = new SaslClientContext(saslClientFactory, mech, server_name != null ? server_name : remoteAddress.toString(), client_callback_handler, sasl_props, client_subject);
      sasl_context.put(remoteAddress, ctx);
      ctx.addHeader(msg, null);
    } catch (Exception e) {
      if (ctx != null) {
        disposeContext(remoteAddress);
      }
      throw new SecurityException(e);
    }
  }
  return down_prot.down(msg);
}

@Override
public void up(MessageBatch batch) {
  for (Message msg : batch) {
    // If we have a join or merge request --> authenticate, else pass up
    GmsHeader gmsHeader =msg.getHeader(GMS_ID);
    Address remoteAddress = msg.getSrc();
    if (needsAuthentication(gmsHeader, remoteAddress)) {
      SaslHeader saslHeader =msg.getHeader(id);
      if (saslHeader == null) {
        log.warn("Found GMS join or merge request but no SASL header");
        sendRejectionMessage(gmsHeader.getType(), batch.sender(), "join or merge without an SASL header");
        batch.remove(msg);
      } else if (!serverChallenge(gmsHeader, saslHeader, msg)) // authentication failed
        batch.remove(msg); // don't pass up
    }
  }
  if (!batch.isEmpty())
    up_prot.up(batch);
}

GmsHeader gmsHeader =msg.getHeader(GMS_ID);
Address remoteAddress = msg.getSrc();
if (needsAuthentication(gmsHeader, remoteAddress)) {
  if (saslHeader == null)
    throw new IllegalStateException("Found GMS join or merge request but no SASL header");