添加获取订阅频道的功能

broker/src/main/java/io/moquette/imhandler/ChannelListenedListHandler.java

@@ -0,0 +1,23 @@
+package io.moquette.imhandler;
+
+import cn.wildfirechat.common.ErrorCode;
+import cn.wildfirechat.proto.ProtoConstants;
+import cn.wildfirechat.proto.WFCMessage;
+import io.moquette.spi.impl.Qos1PublishHandler;
+import io.netty.buffer.ByteBuf;
+import win.liyufan.im.IMTopic;
+
+import java.util.List;
+
+@Handler(IMTopic.ListenedChannelListTopic)
+public class ChannelListenedListHandler extends IMHandler<Void> {
+    @Override
+    public ErrorCode action(ByteBuf ackPayload, String clientID, String fromUser, ProtoConstants.RequestSourceType requestSourceType, Void request, Qos1PublishHandler.IMCallback callback) {
+        List<String> channelInfoList = m_messagesStore.getListenedChannels(fromUser);
+        WFCMessage.IDListBuf.Builder builder = WFCMessage.IDListBuf.newBuilder();
+        builder.addAllId(channelInfoList);
+        byte[] data = builder.build().toByteArray();
+        ackPayload.ensureWritable(data.length).writeBytes(data);
+        return ErrorCode.ERROR_CODE_SUCCESS;
+    }
+}

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

@@ -4139,6 +4139,11 @@ public class MemoryMessagesStore implements IMessagesStore {
         return databaseStore.searchChannelFromDB(keyword, buzzy, page);
     }
 
+
+    @Override
+    public List<String> getListenedChannels(String userId) {
+        return databaseStore.getUserChannels(userId);
+    }
     @Override
     public ErrorCode listenChannel(String operator, String channelId, boolean listen) {
         HazelcastInstance hzInstance = m_Server.getHazelcastInstance();

broker/src/main/java/io/moquette/spi/IMessagesStore.java

@@ -218,6 +218,7 @@ public interface IMessagesStore {
     ErrorCode transferChannel(String operator, String channelId, String newOwner);
     ErrorCode destroyChannel(String operator, String channelId, boolean isAdmin);
     List<WFCMessage.ChannelInfo> searchChannel(String keyword, boolean buzzy, int page);
+    List<String> getListenedChannels(String userId);
     ErrorCode listenChannel(String operator, String channelId, boolean listen);
     WFCMessage.ChannelInfo getChannelInfo(String channelId);
     boolean canSendMessageInChannel(String user, String channelId);

broker/src/main/java/io/moquette/spi/impl/Qos1PublishHandler.java

@@ -243,13 +243,7 @@ public class Qos1PublishHandler extends QosPublishHandler {
         String imtopic = topic.getTopic();
         ByteBuf payload = msg.payload();
         byte[] payloadContent = readBytesAndRewind(payload);
-        if(payloadContent.length == 0) {
-            ByteBuf ackPayload = Unpooled.buffer();
-            ackPayload.ensureWritable(1).writeByte(ERROR_CODE_INVALID_DATA.getCode());
-            sendPubAck(clientID, messageID, ackPayload, ERROR_CODE_INVALID_DATA);
-            return;
-        }
-        
+        if(payloadContent.length > 0) {
             MemorySessionStore.Session session = m_sessionStore.getSession(clientID);
             payloadContent = AES.AESDecrypt(payloadContent, session.getSecret(), true);
             if(payloadContent == null) {
@@ -258,6 +252,7 @@ public class Qos1PublishHandler extends QosPublishHandler {
                 sendPubAck(clientID, messageID, ackPayload, ERROR_CODE_INVALID_DATA);
                 return;
             }
+        }
 
         imHandler(clientID, username, imtopic, payloadContent, (errorCode, ackPayload) -> sendPubAck(clientID, messageID, ackPayload, errorCode), ProtoConstants.RequestSourceType.Request_From_User);
     }

broker/src/main/java/win/liyufan/im/IMTopic.java

@@ -77,6 +77,7 @@ public interface IMTopic {
     String ChannelSearchTopic = "CHS";
     String ChannelListenTopic = "CHL";
     String ChannelPullTopic = "CHP";
+    String ListenedChannelListTopic = "CHLL";
 
     String GetTokenTopic = "GETTOKEN";
     String DestroyUserTopic = "DESTROYUSER";