added env variable filtering.groovy.enabled which allows to enable/disable groovy script executions (#4426)

Author: Vladysl

kafka-ui-api/src/main/java/com/provectus/kafka/ui/controller/MessagesController.java

@@ -24,13 +24,15 @@
 import com.provectus.kafka.ui.model.rbac.permission.TopicAction;
 import com.provectus.kafka.ui.service.DeserializationService;
 import com.provectus.kafka.ui.service.MessagesService;
+import com.provectus.kafka.ui.util.DynamicConfigOperations;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 import javax.annotation.Nullable;
 import javax.validation.Valid;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
 import org.apache.commons.lang3.tuple.Pair;
 import org.apache.kafka.common.TopicPartition;
 import org.springframework.http.ResponseEntity;
@@ -47,6 +49,7 @@ public class MessagesController extends AbstractController implements MessagesAp
 
   private final MessagesService messagesService;
   private final DeserializationService deserializationService;
+  private final DynamicConfigOperations dynamicConfigOperations;
 
   @Override
   public Mono<ResponseEntity<Void>> deleteTopicMessages(
@@ -94,6 +97,10 @@ public Mono<ResponseEntity<Flux<TopicMessageEventDTO>>> getTopicMessages(String
         .topicActions(MESSAGES_READ)
         .operationName("getTopicMessages");
 
+    if (StringUtils.isNoneEmpty(q) && MessageFilterTypeDTO.GROOVY_SCRIPT == filterQueryType) {
+      dynamicConfigOperations.checkIfFilteringGroovyEnabled();
+    }
+
     if (auditService.isAuditTopic(getCluster(clusterName), topicName)) {
       contextBuilder.auditActions(AuditAction.VIEW);
     }

kafka-ui-api/src/main/java/com/provectus/kafka/ui/util/DynamicConfigOperations.java

@@ -45,6 +45,7 @@
 public class DynamicConfigOperations {
 
   static final String DYNAMIC_CONFIG_ENABLED_ENV_PROPERTY = "dynamic.config.enabled";
+  static final String FILTERING_GROOVY_ENABLED_PROPERTY = "filtering.groovy.enabled";
   static final String DYNAMIC_CONFIG_PATH_ENV_PROPERTY = "dynamic.config.path";
   static final String DYNAMIC_CONFIG_PATH_ENV_PROPERTY_DEFAULT = "/etc/kafkaui/dynamic_config.yaml";
 
@@ -64,6 +65,10 @@ public boolean dynamicConfigEnabled() {
     return "true".equalsIgnoreCase(ctx.getEnvironment().getProperty(DYNAMIC_CONFIG_ENABLED_ENV_PROPERTY));
   }
 
+  public boolean filteringGroovyEnabled() {
+    return "true".equalsIgnoreCase(ctx.getEnvironment().getProperty(FILTERING_GROOVY_ENABLED_PROPERTY));
+  }
+
   private Path dynamicConfigFilePath() {
     return Paths.get(
         Optional.ofNullable(ctx.getEnvironment().getProperty(DYNAMIC_CONFIG_PATH_ENV_PROPERTY))
@@ -147,6 +152,14 @@ public Mono<Path> uploadConfigRelatedFile(FilePart file) {
         .onErrorMap(th -> new FileUploadException(targetFilePath, th));
   }
 
+  public void checkIfFilteringGroovyEnabled() {
+    if (!filteringGroovyEnabled()) {
+      throw new ValidationException(
+              "Groovy filters is not allowed. "
+                      + "Set filtering.groovy.enabled property to 'true' to enabled it.");
+    }
+  }
+
   private void checkIfDynamicConfigEnabled() {
     if (!dynamicConfigEnabled()) {
       throw new ValidationException(