Fix compatibility with Kafka >= 3.8

src/main/java/io/aiven/kafka/auth/AivenAclAuthorizerV2.java

@@ -52,14 +52,14 @@
 import org.apache.kafka.server.authorizer.AuthorizerServerInfo;
 
 import io.aiven.kafka.auth.audit.AuditorAPI;
+import io.aiven.kafka.auth.audit.Session;
 import io.aiven.kafka.auth.json.AivenAcl;
 import io.aiven.kafka.auth.json.reader.AclJsonReader;
 import io.aiven.kafka.auth.json.reader.JsonReaderException;
 import io.aiven.kafka.auth.nameformatters.LegacyOperationNameFormatter;
 import io.aiven.kafka.auth.nameformatters.LegacyResourceTypeNameFormatter;
 import io.aiven.kafka.auth.nativeacls.AclAivenToNativeConverter;
 
-import kafka.network.RequestChannel.Session;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

src/main/java/io/aiven/kafka/auth/audit/Auditor.java

@@ -30,7 +30,6 @@
 import org.apache.kafka.common.resource.ResourcePattern;
 import org.apache.kafka.common.security.auth.KafkaPrincipal;
 
-import kafka.network.RequestChannel.Session;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

src/main/java/io/aiven/kafka/auth/audit/AuditorAPI.java

@@ -20,10 +20,8 @@
 import org.apache.kafka.common.acl.AclOperation;
 import org.apache.kafka.common.resource.ResourcePattern;
 
-import kafka.network.RequestChannel;
-
 public interface AuditorAPI extends Configurable {
-    void addActivity(final RequestChannel.Session session,
+    void addActivity(final Session session,
                      final AclOperation operation,
                      final ResourcePattern resource,
                      final boolean hasAccess);

src/main/java/io/aiven/kafka/auth/audit/NoAuditor.java

@@ -21,8 +21,6 @@
 import org.apache.kafka.common.acl.AclOperation;
 import org.apache.kafka.common.resource.ResourcePattern;
 
-import kafka.network.RequestChannel;
-
 /**
  * A no-op {@link AuditorAPI}.
  */
@@ -33,7 +31,7 @@ public NoAuditor() {
     }
 
     @Override
-    public void addActivity(final RequestChannel.Session session,
+    public void addActivity(final Session session,
                             final AclOperation operation,
                             final ResourcePattern resource,
                             final boolean hasAccess) {

src/main/java/io/aiven/kafka/auth/audit/Session.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2024 Aiven Oy https://aiven.io
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.aiven.kafka.auth.audit;
+
+import java.net.InetAddress;
+
+import org.apache.kafka.common.security.auth.KafkaPrincipal;
+
+
+public class Session {
+    private final KafkaPrincipal principal;
+    private final InetAddress clientAddress;
+
+    public Session(final KafkaPrincipal principal, final InetAddress clientAddress) {
+        this.principal = principal;
+        this.clientAddress = clientAddress;
+    }
+
+    public KafkaPrincipal getPrincipal() {
+        return principal;
+    }
+
+    public InetAddress getClientAddress() {
+        return clientAddress;
+    }
+}

src/main/java/io/aiven/kafka/auth/audit/UserActivityAuditor.java

@@ -23,7 +23,6 @@
 import org.apache.kafka.common.config.ConfigException;
 import org.apache.kafka.common.resource.ResourcePattern;
 
-import kafka.network.RequestChannel;
 import org.slf4j.Logger;
 
 public class UserActivityAuditor extends Auditor {
@@ -46,11 +45,11 @@ protected UserActivityAuditor(final Logger logger) {
     }
 
     @Override
-    protected void addActivity0(final RequestChannel.Session session,
+    protected void addActivity0(final Session session,
                                 final AclOperation operation,
                                 final ResourcePattern resource,
                                 final boolean hasAccess) {
-        final AuditKey auditKey = new AuditKey(session.principal(), session.clientAddress());
+        final AuditKey auditKey = new AuditKey(session.getPrincipal(), session.getClientAddress());
 
         auditStorage.compute(auditKey, (key, userActivity) -> Objects.isNull(userActivity)
                 ? new UserActivity.UserActivityOperations()

src/main/java/io/aiven/kafka/auth/audit/UserOperationsActivityAuditor.java

@@ -21,7 +21,6 @@
 import org.apache.kafka.common.acl.AclOperation;
 import org.apache.kafka.common.resource.ResourcePattern;
 
-import kafka.network.RequestChannel;
 import org.slf4j.Logger;
 
 public class UserOperationsActivityAuditor extends Auditor {
@@ -35,7 +34,7 @@ protected UserOperationsActivityAuditor(final Logger logger) {
     }
 
     @Override
-    protected void addActivity0(final RequestChannel.Session session,
+    protected void addActivity0(final Session session,
                                 final AclOperation operation,
                                 final ResourcePattern resource,
                                 final boolean hasAccess) {
@@ -46,18 +45,18 @@ protected void addActivity0(final RequestChannel.Session session,
             } else {
                 ua = userActivity;
             }
-            ua.addOperation(new UserOperation(session.clientAddress(), operation, resource, hasAccess));
+            ua.addOperation(new UserOperation(session.getClientAddress(), operation, resource, hasAccess));
             return ua;
         });
     }
 
-    private AuditKey createAuditKey(final RequestChannel.Session session) {
+    private AuditKey createAuditKey(final Session session) {
         final var grouping = auditorConfig.getAggregationGrouping();
         switch (grouping) {
             case USER:
-                return new AuditKey(session.principal(), null);
+                return new AuditKey(session.getPrincipal(), null);
             case USER_AND_IP:
-                return new AuditKey(session.principal(), session.clientAddress());
+                return new AuditKey(session.getPrincipal(), session.getClientAddress());
             default:
                 throw new IllegalArgumentException("Unknown aggregation grouping type: " + grouping);
         }

src/test/java/io/aiven/kafka/auth/audit/FormatterTestBase.java

@@ -30,13 +30,11 @@
 import org.apache.kafka.common.resource.ResourceType;
 import org.apache.kafka.common.security.auth.KafkaPrincipal;
 
-import kafka.network.RequestChannel;
-
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 public class FormatterTestBase {
 
-    protected RequestChannel.Session session;
+    protected Session session;
 
     protected AclOperation operation;
 
@@ -48,7 +46,7 @@ public class FormatterTestBase {
 
     protected ResourcePattern anotherResource;
 
-    protected RequestChannel.Session anotherSession;
+    protected Session anotherSession;
 
     protected InetAddress anotherInetAddress;
 
@@ -60,9 +58,9 @@ protected FormatterTestBase(final AuditorConfig.AggregationGrouping aggregationG
 
     void setUp() throws Exception {
         final KafkaPrincipal principal = new KafkaPrincipal("PRINCIPAL_TYPE", "PRINCIPAL_NAME");
-        session = new RequestChannel.Session(principal, InetAddress.getLocalHost());
+        session = new Session(principal, InetAddress.getLocalHost());
         anotherInetAddress = InetAddress.getByName("192.168.0.1");
-        anotherSession = new RequestChannel.Session(principal, anotherInetAddress);
+        anotherSession = new Session(principal, anotherInetAddress);
         resource =
                 new ResourcePattern(
                         ResourceType.CLUSTER,
@@ -88,20 +86,20 @@ protected void zeroOperations(final ZonedDateTime now, final String expected) {
     protected void twoOperations(final ZonedDateTime now, final String expected) {
         final Map<Auditor.AuditKey, UserActivity> dump = new HashMap<>();
         final UserActivity userActivity = createUserActivity(now);
-        userActivity.addOperation(new UserOperation(session.clientAddress(), operation, resource, false));
+        userActivity.addOperation(new UserOperation(session.getClientAddress(), operation, resource, false));
         userActivity.addOperation(
-                new UserOperation(session.clientAddress(), anotherOperation, anotherResource, true));
+                new UserOperation(session.getClientAddress(), anotherOperation, anotherResource, true));
         dump.put(createAuditKey(session), userActivity);
 
         formatAndAssert(dump, expected);
     }
 
-    protected Auditor.AuditKey createAuditKey(final RequestChannel.Session session) {
+    protected Auditor.AuditKey createAuditKey(final Session session) {
         switch (aggregationGrouping) {
             case USER:
-                return new Auditor.AuditKey(session.principal(), null);
+                return new Auditor.AuditKey(session.getPrincipal(), null);
             case USER_AND_IP:
-                return new Auditor.AuditKey(session.principal(), session.clientAddress());
+                return new Auditor.AuditKey(session.getPrincipal(), session.getClientAddress());
             default:
                 throw new IllegalArgumentException("Unknown aggregation grouping: " + aggregationGrouping);
         }

src/test/java/io/aiven/kafka/auth/audit/PrincipalAndIpFormatterTest.java

@@ -86,12 +86,12 @@ protected void twoOperationsTwoIpAddresses(final ZonedDateTime now, final String
         final Map<Auditor.AuditKey, UserActivity> dump = new HashMap<>();
 
         final UserActivity userActivity = createUserActivity(now);
-        userActivity.addOperation(new UserOperation(session.clientAddress(), operation, resource, false));
+        userActivity.addOperation(new UserOperation(session.getClientAddress(), operation, resource, false));
         dump.put(createAuditKey(session), userActivity);
 
         final UserActivity anotherUserActivity = createUserActivity(now);
         anotherUserActivity.addOperation(
-                new UserOperation(anotherSession.clientAddress(), anotherOperation, anotherResource, true));
+                new UserOperation(anotherSession.getClientAddress(), anotherOperation, anotherResource, true));
         dump.put(createAuditKey(anotherSession), anotherUserActivity);
 
         formatAndAssert(dump, expected);

src/test/java/io/aiven/kafka/auth/audit/PrincipalFormatterTest.java

@@ -78,9 +78,9 @@ protected void twoOperationsTwoIpAddresses(final ZonedDateTime now, final String
 
         final UserActivity userActivity = createUserActivity(now);
         userActivity.addOperation(
-                new UserOperation(session.clientAddress(), operation, resource, false));
+                new UserOperation(session.getClientAddress(), operation, resource, false));
         userActivity.addOperation(
-                new UserOperation(anotherSession.clientAddress(), anotherOperation, anotherResource, true));
+                new UserOperation(anotherSession.getClientAddress(), anotherOperation, anotherResource, true));
         dump.put(createAuditKey(session), userActivity);
 
         formatAndAssert(dump, expected);

src/test/java/io/aiven/kafka/auth/audit/UserActivityAuditorTest.java

@@ -29,7 +29,6 @@
 import org.apache.kafka.common.resource.ResourceType;
 import org.apache.kafka.common.security.auth.KafkaPrincipal;
 
-import kafka.network.RequestChannel.Session;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;

src/test/java/io/aiven/kafka/auth/audit/UserOperationsActivityAuditorTest.java

@@ -31,7 +31,6 @@
 import org.apache.kafka.common.resource.ResourceType;
 import org.apache.kafka.common.security.auth.KafkaPrincipal;
 
-import kafka.network.RequestChannel.Session;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
@@ -115,16 +114,16 @@ void shouldAggregateOperationsForSameUser() throws Exception {
                 2,
                 cast(auditor.auditStorage.get(
                         new Auditor.AuditKey(
-                                session.principal(),
-                                session.clientAddress())
+                                session.getPrincipal(),
+                                session.getClientAddress())
                 ), UserActivity.UserActivityOperations.class).operations.size()
         );
         assertEquals(
                 1,
                 cast(auditor.auditStorage.get(
                         new Auditor.AuditKey(
-                                anotherSession.principal(),
-                                anotherSession.clientAddress())
+                                anotherSession.getPrincipal(),
+                                anotherSession.getClientAddress())
                 ), UserActivity.UserActivityOperations.class).operations.size()
         );
         auditor.dump();
@@ -152,7 +151,7 @@ void shouldAggregateOperationsForSameUserAndPrincipalGrouping() throws Exception
                 2,
                 cast(auditor.auditStorage.get(
                         new Auditor.AuditKey(
-                                session.principal(),
+                                session.getPrincipal(),
                                 null)
                 ), UserActivity.UserActivityOperationsGropedByIP.class).operations.size()
         );