removed CONNECT message from client connection

hivemq · Nov 5, 2024 · 60ed412 · 60ed412
1 parent 8f8f6f7
commit 60ed412
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Showing 6 changed files with 32 additions and 38 deletions.
diff --git a/src/main/java/com/hivemq/bootstrap/ClientConnection.java b/src/main/java/com/hivemq/bootstrap/ClientConnection.java
@@ -31,6 +31,7 @@
 import com.hivemq.mqtt.handler.publish.PublishFlushHandler;
 import com.hivemq.mqtt.message.ProtocolVersion;
 import com.hivemq.mqtt.message.connect.CONNECT;
+import com.hivemq.mqtt.message.connect.MqttWillPublish;
 import com.hivemq.mqtt.message.mqtt5.Mqtt5UserProperties;
 import com.hivemq.mqtt.message.pool.FreePacketIdRanges;
 import com.hivemq.security.auth.SslClientCertificate;
@@ -60,7 +61,7 @@ public class ClientConnection implements ClientConnectionContext {
     private @NotNull String clientId;
     private boolean cleanStart;
     private @Nullable ModifiableDefaultPermissions authPermissions;
-    private @Nullable CONNECT connectMessage;
+    private @Nullable MqttWillPublish willPublish;
     private @Nullable AtomicInteger inFlightMessageCount;
     private @Nullable Integer clientReceiveMaximum;
     private @Nullable Integer connectKeepAlive;
@@ -131,7 +132,7 @@ public class ClientConnection implements ClientConnectionContext {
                 context.cleanStart,
                 context.authPermissions,
                 context.connectedListener,
-                context.connectMessage,
+                context.willPublish,
                 context.clientReceiveMaximum,
                 context.connectKeepAlive,
                 context.queueSizeMaximum,
@@ -178,7 +179,7 @@ public ClientConnection(
             final boolean cleanStart,
             final @Nullable ModifiableDefaultPermissions authPermissions,
             final @NotNull Listener connectedListener,
-            final @Nullable CONNECT connectMessage,
+            final @Nullable MqttWillPublish mqttWillPublish,
             final @Nullable Integer clientReceiveMaximum,
             final @Nullable Integer connectKeepAlive,
             final @Nullable Long queueSizeMaximum,
@@ -219,7 +220,7 @@ public ClientConnection(
         this.cleanStart = cleanStart;
         this.authPermissions = authPermissions;
         this.connectedListener = connectedListener;
-        this.connectMessage = connectMessage;
+        this.willPublish = mqttWillPublish;
         this.clientReceiveMaximum = clientReceiveMaximum;
         this.connectKeepAlive = connectKeepAlive;
         this.queueSizeMaximum = queueSizeMaximum;
@@ -327,13 +328,13 @@ public void setAuthPermissions(final @NotNull ModifiableDefaultPermissions authP
         return connectedListener;
     }
 
-    public @Nullable CONNECT getConnectMessage() {
-        return connectMessage;
+    public @Nullable MqttWillPublish getWillPublish() {
+        return willPublish;
     }
 
     @Override
-    public void setConnectMessage(final @Nullable CONNECT connectMessage) {
-        this.connectMessage = connectMessage;
+    public void setWillPublish(final @Nullable MqttWillPublish willPublish) {
+        this.willPublish = willPublish;
     }
 
     /**

diff --git a/src/main/java/com/hivemq/bootstrap/ClientConnectionContext.java b/src/main/java/com/hivemq/bootstrap/ClientConnectionContext.java
@@ -29,6 +29,7 @@
 import com.hivemq.extensions.events.client.parameters.ClientEventListeners;
 import com.hivemq.mqtt.message.ProtocolVersion;
 import com.hivemq.mqtt.message.connect.CONNECT;
+import com.hivemq.mqtt.message.connect.MqttWillPublish;
 import com.hivemq.mqtt.message.mqtt5.Mqtt5UserProperties;
 import com.hivemq.security.auth.SslClientCertificate;
 import io.netty.channel.Channel;
@@ -136,7 +137,7 @@ public interface ClientConnectionContext {
 
     void setRequestProblemInformation(boolean problemInformationRequested);
 
-    void setConnectMessage(@Nullable CONNECT msg);
+    void setWillPublish(@Nullable MqttWillPublish willPublish);
 
     @NotNull String @Nullable [] getTopicAliasMapping();
 

diff --git a/src/main/java/com/hivemq/bootstrap/UndefinedClientConnection.java b/src/main/java/com/hivemq/bootstrap/UndefinedClientConnection.java
@@ -30,6 +30,7 @@
 import com.hivemq.mqtt.handler.publish.PublishFlushHandler;
 import com.hivemq.mqtt.message.ProtocolVersion;
 import com.hivemq.mqtt.message.connect.CONNECT;
+import com.hivemq.mqtt.message.connect.MqttWillPublish;
 import com.hivemq.mqtt.message.mqtt5.Mqtt5UserProperties;
 import com.hivemq.security.auth.SslClientCertificate;
 import io.netty.channel.Channel;
@@ -53,7 +54,7 @@ public class UndefinedClientConnection implements ClientConnectionContext {
     @Nullable String clientId;
     boolean cleanStart;
     @Nullable ModifiableDefaultPermissions authPermissions;
-    @Nullable CONNECT connectMessage;
+    @Nullable MqttWillPublish willPublish;
     @Nullable Integer clientReceiveMaximum;
     @Nullable Integer connectKeepAlive;
     @Nullable Long queueSizeMaximum;
@@ -165,8 +166,8 @@ public void setAuthPermissions(final @NotNull ModifiableDefaultPermissions authP
     }
 
     @Override
-    public void setConnectMessage(final @Nullable CONNECT connectMessage) {
-        this.connectMessage = connectMessage;
+    public void setWillPublish(final @Nullable MqttWillPublish willPublish) {
+        this.willPublish = willPublish;
     }
 
     @Override

diff --git a/src/main/java/com/hivemq/extensions/handler/PluginInitializerHandler.java b/src/main/java/com/hivemq/extensions/handler/PluginInitializerHandler.java
@@ -37,7 +37,6 @@
 import com.hivemq.mqtt.handler.connack.MqttConnacker;
 import com.hivemq.mqtt.handler.publish.DefaultPermissionsEvaluator;
 import com.hivemq.mqtt.message.connack.CONNACK;
-import com.hivemq.mqtt.message.connect.CONNECT;
 import com.hivemq.mqtt.message.connect.MqttWillPublish;
 import com.hivemq.mqtt.message.mqtt5.Mqtt5UserProperties;
 import com.hivemq.mqtt.message.reason.Mqtt5ConnAckReasonCode;
@@ -124,9 +123,9 @@ private void fireInitialize(
         if (pluginInitializerMap.isEmpty() && msg != null) {
             clientConnection.setPreventLwt(false);
             ctx.writeAndFlush(msg, promise);
-            // Prevent leaking the retained CONNECT message for any existing ClientConnection.
-            // The CONNECT message would otherwise be owned by the plugin initialization below outside this scope.
-            clientConnection.setConnectMessage(null);
+            // Prevent leaking the retained WILL message for any existing ClientConnection.
+            // The WILL message would otherwise be owned by the plugin initialization below outside this scope.
+            clientConnection.setWillPublish(null);
             return;
         }
 
@@ -175,14 +174,14 @@ private void fireInitialize(
             @Override
             public void onSuccess(@Nullable final Void result) {
                 authenticateWill(ctx, msg, promise);
-                clientConnection.setConnectMessage(null);
+                clientConnection.setWillPublish(null);
             }
 
             @Override
             public void onFailure(final @NotNull Throwable t) {
                 Exceptions.rethrowError(t);
                 log.error("Calling initializer failed", t);
-                clientConnection.setConnectMessage(null);
+                clientConnection.setWillPublish(null);
                 ctx.writeAndFlush(msg, promise);
             }
         }, ctx.executor());
@@ -195,13 +194,12 @@ private void authenticateWill(
 
         final ClientConnection clientConnection = ClientConnection.of(ctx.channel());
 
-        final CONNECT connect = clientConnection.getConnectMessage();
-        if (connect == null || connect.getWillPublish() == null) {
+        final MqttWillPublish willPublish = clientConnection.getWillPublish();
+        if (willPublish == null) {
             ctx.writeAndFlush(msg, promise);
             return;
         }
 
-        final MqttWillPublish willPublish = connect.getWillPublish();
         final ModifiableDefaultPermissions permissions = clientConnection.getAuthPermissions();
         if (DefaultPermissionsEvaluator.checkWillPublish(permissions, willPublish)) {
             clientConnection.setPreventLwt(false); //clear prevent flag, Will is authorized
@@ -213,7 +211,7 @@ private void authenticateWill(
         clientConnection.setPreventLwt(true);
         //We have already added the will to the session, so we need to remove it again
         final ListenableFuture<Void> removeWillFuture =
-                clientSessionPersistence.deleteWill(connect.getClientIdentifier());
+                clientSessionPersistence.deleteWill(clientConnection.getClientId());
         Futures.addCallback(removeWillFuture, new FutureCallback<>() {
             @Override
             public void onSuccess(@Nullable final Void result) {

diff --git a/src/main/java/com/hivemq/mqtt/handler/connect/ConnectHandler.java b/src/main/java/com/hivemq/mqtt/handler/connect/ConnectHandler.java
@@ -606,8 +606,8 @@ private void sendConnackSuccess(
 
         final ChannelFuture connackSent;
 
-        // We retain the CONNECT message in memory during the initialization progress, e.g. for plugin initialization.
-        clientConnection.setConnectMessage(msg);
+        // We retain the WILL message in memory during the initialization progress, e.g. for plugin initialization.
+        clientConnection.setWillPublish(msg.getWillPublish());
 
         if (msg.getProtocolVersion() == ProtocolVersion.MQTTv5) {
             final CONNACK connack = buildMqtt5Connack(clientConnection, msg, sessionPresent);

diff --git a/src/test/java/com/hivemq/extensions/handler/PluginInitializerHandlerTest.java b/src/test/java/com/hivemq/extensions/handler/PluginInitializerHandlerTest.java
@@ -41,7 +41,6 @@
 import com.hivemq.mqtt.message.ProtocolVersion;
 import com.hivemq.mqtt.message.QoS;
 import com.hivemq.mqtt.message.connack.CONNACK;
-import com.hivemq.mqtt.message.connect.CONNECT;
 import com.hivemq.mqtt.message.connect.MqttWillPublish;
 import com.hivemq.mqtt.message.mqtt5.Mqtt5UserProperties;
 import com.hivemq.mqtt.message.reason.Mqtt5ConnAckReasonCode;
@@ -112,7 +111,7 @@ public void setUp() throws Exception {
 
         channel = new EmbeddedChannel();
         clientConnection = new DummyClientConnection(channel, publishFlushHandler);
-        clientConnection.setConnectMessage(mock(CONNECT.class));
+        clientConnection.setWillPublish(mock(MqttWillPublish.class));
         clientConnection.setClientId("test_client");
         clientConnection.setProtocolVersion(ProtocolVersion.MQTTv5);
 
@@ -163,7 +162,7 @@ public void test_write_connack_no_initializer() throws Exception {
         verify(channelHandlerContext).writeAndFlush(any(Object.class), eq(channelPromise));
 
         assertFalse(ClientConnection.of(channel).isPreventLwt());
-        assertNull(clientConnection.getConnectMessage());
+        assertNull(clientConnection.getWillPublish());
     }
 
     @Test(timeout = 10000)
@@ -193,7 +192,7 @@ public void test_write_connack_fire_initialize() throws Exception {
         verify(initializers, timeout(5000).times(1)).getClientInitializerMap();
         verify(channelHandlerContext, timeout(5000)).writeAndFlush(any(Object.class), eq(channelPromise));
         verify(channelPipeline).remove(any(ChannelHandler.class));
-        assertNull(clientConnection.getConnectMessage());
+        assertNull(clientConnection.getWillPublish());
     }
 
     @Test(timeout = 10000)
@@ -215,10 +214,7 @@ public void test_write_will_publish_not_authorized() throws Exception {
                 .withPayload(new byte[]{1, 2, 3})
                 .build();
 
-        final CONNECT connect =
-                new CONNECT.Mqtt5Builder().withClientIdentifier("test-client").withWillPublish(willPublish).build();
-
-        ClientConnection.of(channel).setConnectMessage(connect);
+        ClientConnection.of(channel).setWillPublish(willPublish);
 
         final ModifiableDefaultPermissionsImpl permissions = new ModifiableDefaultPermissionsImpl();
         permissions.add(new TopicPermissionBuilderImpl(new TestConfigurationBootstrap().getFullConfigurationService()).topicFilter(
@@ -238,7 +234,7 @@ public void test_write_will_publish_not_authorized() throws Exception {
 
         verify(channelPipeline).remove(any(ChannelHandler.class));
         assertTrue(ClientConnection.of(channel).isPreventLwt());
-        assertNull(clientConnection.getConnectMessage());
+        assertNull(clientConnection.getWillPublish());
     }
 
     @Test(timeout = 10000)
@@ -251,10 +247,7 @@ public void test_write_will_publish_authorized() throws Exception {
                 .withPayload(new byte[]{1, 2, 3})
                 .build();
 
-        final CONNECT connect =
-                new CONNECT.Mqtt5Builder().withClientIdentifier("test-client").withWillPublish(willPublish).build();
-
-        ClientConnection.of(channel).setConnectMessage(connect);
+        ClientConnection.of(channel).setWillPublish(willPublish);
 
         final ModifiableDefaultPermissionsImpl permissions = new ModifiableDefaultPermissionsImpl();
         permissions.add(new TopicPermissionBuilderImpl(new TestConfigurationBootstrap().getFullConfigurationService()).topicFilter(
@@ -271,7 +264,7 @@ public void test_write_will_publish_authorized() throws Exception {
 
         verify(channelPipeline).remove(any(ChannelHandler.class));
         assertFalse(ClientConnection.of(channel).isPreventLwt());
-        assertNull(clientConnection.getConnectMessage());
+        assertNull(clientConnection.getWillPublish());
     }
 
     private Map<String, ClientInitializer> createClientInitializerMap() throws Exception {