[ISSUE #8929] Proxy adds message body empty check when send in grpc protocol

WORKSPACE

@@ -71,7 +71,7 @@ maven_install(
         "org.bouncycastle:bcpkix-jdk15on:1.69",
         "com.google.code.gson:gson:2.8.9",
         "com.googlecode.concurrentlinkedhashmap:concurrentlinkedhashmap-lru:1.4.2",
-        "org.apache.rocketmq:rocketmq-proto:2.0.3",
+        "org.apache.rocketmq:rocketmq-proto:2.0.4",
         "com.google.protobuf:protobuf-java:3.20.1",
         "com.google.protobuf:protobuf-java-util:3.20.1",
         "com.conversantmedia:disruptor:1.2.10",

pom.xml

@@ -126,7 +126,7 @@
         <annotations-api.version>6.0.53</annotations-api.version>
         <extra-enforcer-rules.version>1.0-beta-4</extra-enforcer-rules.version>
         <concurrentlinkedhashmap-lru.version>1.4.2</concurrentlinkedhashmap-lru.version>
-        <rocketmq-proto.version>2.0.3</rocketmq-proto.version>
+        <rocketmq-proto.version>2.0.4</rocketmq-proto.version>
         <grpc.version>1.53.0</grpc.version>
         <protobuf.version>3.20.1</protobuf.version>
         <disruptor.version>1.2.10</disruptor.version>
@@ -641,16 +641,8 @@
                 <version>${rocketmq-proto.version}</version>
                 <exclusions>
                     <exclusion>
-                        <groupId>io.grpc</groupId>
-                        <artifactId>grpc-protobuf</artifactId>
-                    </exclusion>
-                    <exclusion>
-                        <groupId>io.grpc</groupId>
-                        <artifactId>grpc-stub</artifactId>
-                    </exclusion>
-                    <exclusion>
-                        <groupId>io.grpc</groupId>
-                        <artifactId>grpc-netty-shaded</artifactId>
+                        <groupId>*</groupId>
+                        <artifactId>*</artifactId>
                     </exclusion>
                 </exclusions>
             </dependency>
@@ -1097,6 +1089,12 @@
                     </exclusion>
                 </exclusions>
             </dependency>
+
+            <dependency>
+                <groupId>jakarta.annotation</groupId>
+                <artifactId>jakarta.annotation-api</artifactId>
+                <version>1.3.5</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 

proxy/src/main/java/org/apache/rocketmq/proxy/config/ProxyConfig.java

@@ -103,6 +103,10 @@ public class ProxyConfig implements ConfigFile {
      * max message body size, 0 or negative number means no limit for proxy
      */
     private int maxMessageSize = 4 * 1024 * 1024;
+    /**
+     * if true, proxy will check message body size and reject msg if it's body is empty
+     */
+    private boolean enableMessageBodyEmptyCheck = true;
     /**
      * max user property size, 0 or negative number means no limit for proxy
      */
@@ -1525,4 +1529,12 @@ public boolean isEnableBatchAck() {
     public void setEnableBatchAck(boolean enableBatchAck) {
         this.enableBatchAck = enableBatchAck;
     }
+
+    public boolean isEnableMessageBodyEmptyCheck() {
+        return enableMessageBodyEmptyCheck;
+    }
+
+    public void setEnableMessageBodyEmptyCheck(boolean enableMessageBodyEmptyCheck) {
+        this.enableMessageBodyEmptyCheck = enableMessageBodyEmptyCheck;
+    }
 }

proxy/src/main/java/org/apache/rocketmq/proxy/grpc/v2/producer/SendMessageActivity.java

@@ -132,6 +132,11 @@ protected int buildSysFlag(apache.rocketmq.v2.Message protoMessage) {
     }
 
     protected void validateMessageBodySize(ByteString body) {
+        if (ConfigurationManager.getProxyConfig().isEnableMessageBodyEmptyCheck()) {
+            if (body.isEmpty()) {
+                throw new GrpcProxyException(Code.MESSAGE_BODY_EMPTY, "message body cannot be empty");
+            }
+        }
         int max = ConfigurationManager.getProxyConfig().getMaxMessageSize();
         if (max <= 0) {
             return;