客户端连接时检查是否跟获取token的平台一致

broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java

@@ -4356,6 +4356,10 @@ public class MemoryMessagesStore implements IMessagesStore {
 
     @Override
     public boolean checkSignature(String signature) {
+        if(mClientSignatureSet.isEmpty()) {
+            return true;
+        }
+
         if(StringUtil.isNullOrEmptyAfterTrim(signature)) {
             if(mRejectEmptySignature) {
                 LOG.info("Failed check signature, no signature");
@@ -4373,6 +4377,11 @@ public class MemoryMessagesStore implements IMessagesStore {
         }
     }
 
+    @Override
+    public boolean existSignatures() {
+        return !mClientSignatureSet.isEmpty();
+    }
+
     @Override
     public void storeRetained(Topic topic, StoredMessage storedMessage) {
         LOG.debug("Store retained message for topic={}, CId={}", topic, storedMessage.getClientID());