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diff --git a/src/main/java/org/onap/dmaap/dmf/mr/service/impl/TopicServiceImpl.java b/src/main/java/org/onap/dmaap/dmf/mr/service/impl/TopicServiceImpl.java
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+/*
+ * ============LICENSE_START=======================================================
+ * org.onap.dmaap
+ * ================================================================================
+ * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2019 Nokia Intellectual Property. All rights reserved.
+ * =================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.dmaap.dmf.mr.service.impl;
+
+import com.att.ajsc.beans.PropertiesMapBean;
+import com.att.ajsc.filemonitor.AJSCPropertiesMap;
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import com.att.nsa.configs.ConfigDbException;
+import com.att.nsa.security.NsaAcl;
+import com.att.nsa.security.NsaApiKey;
+import com.att.nsa.security.ReadWriteSecuredResource.AccessDeniedException;
+import joptsimple.internal.Strings;
+import org.apache.commons.lang.StringUtils;
+import org.apache.commons.lang.math.NumberUtils;
+import org.apache.http.HttpStatus;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.onap.dmaap.dmf.mr.CambriaApiException;
+import org.onap.dmaap.dmf.mr.beans.DMaaPContext;
+import org.onap.dmaap.dmf.mr.beans.DMaaPKafkaMetaBroker;
+import org.onap.dmaap.dmf.mr.beans.TopicBean;
+import org.onap.dmaap.dmf.mr.constants.CambriaConstants;
+import org.onap.dmaap.dmf.mr.exception.DMaaPAccessDeniedException;
+import org.onap.dmaap.dmf.mr.exception.DMaaPErrorMessages;
+import org.onap.dmaap.dmf.mr.exception.DMaaPResponseCode;
+import org.onap.dmaap.dmf.mr.exception.ErrorResponse;
+import org.onap.dmaap.dmf.mr.metabroker.Broker.TopicExistsException;
+import org.onap.dmaap.dmf.mr.metabroker.Broker1;
+import org.onap.dmaap.dmf.mr.metabroker.Topic;
+import org.onap.dmaap.dmf.mr.security.DMaaPAAFAuthenticator;
+import org.onap.dmaap.dmf.mr.security.DMaaPAAFAuthenticatorImpl;
+import org.onap.dmaap.dmf.mr.security.DMaaPAuthenticatorImpl;
+import org.onap.dmaap.dmf.mr.service.TopicService;
+import org.onap.dmaap.dmf.mr.utils.DMaaPResponseBuilder;
+import org.onap.dmaap.dmf.mr.utils.Utils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import javax.servlet.http.HttpServletRequest;
+import java.io.IOException;
+import java.security.Principal;
+
+/**
+ * @author muzainulhaque.qazi
+ *
+ */
+@Service
+public class TopicServiceImpl implements TopicService {
+
+ private static final String TOPIC_CREATE_OP = "create";
+ private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(TopicServiceImpl.class);
+ @Autowired
+ private DMaaPErrorMessages errorMessages;
+
+ public DMaaPErrorMessages getErrorMessages() {
+ return errorMessages;
+ }
+
+ public void setErrorMessages(DMaaPErrorMessages errorMessages) {
+ this.errorMessages = errorMessages;
+ }
+
+
+ String getPropertyFromAJSCbean(String propertyKey) {
+ return PropertiesMapBean.getProperty(CambriaConstants.msgRtr_prop, propertyKey);
+ }
+
+ String getPropertyFromAJSCmap(String propertyKey) {
+ return AJSCPropertiesMap.getProperty(CambriaConstants.msgRtr_prop, propertyKey);
+ }
+
+ NsaApiKey getDmaapAuthenticatedUser(DMaaPContext dmaapContext) {
+ return DMaaPAuthenticatorImpl.getAuthenticatedUser(dmaapContext);
+ }
+
+ void respondOk(DMaaPContext context, String msg) {
+ DMaaPResponseBuilder.respondOkWithHtml(context, msg);
+ }
+
+ void respondOk(DMaaPContext context, JSONObject json) throws IOException {
+ DMaaPResponseBuilder.respondOk(context, json);
+ }
+
+ boolean isCadiEnabled() {
+ return Utils.isCadiEnabled();
+ }
+ /**
+ * @param dmaapContext
+ * @throws JSONException
+ * @throws ConfigDbException
+ * @throws IOException
+ *
+ */
+ @Override
+ public void getTopics(DMaaPContext dmaapContext) throws JSONException, ConfigDbException, IOException {
+ LOGGER.info("Fetching list of all the topics.");
+ JSONObject json = new JSONObject();
+
+ JSONArray topicsList = new JSONArray();
+
+ for (Topic topic : getMetaBroker(dmaapContext).getAllTopics()) {
+ topicsList.put(topic.getName());
+ }
+
+ json.put("topics", topicsList);
+
+ LOGGER.info("Returning list of all the topics.");
+ respondOk(dmaapContext, json);
+
+ }
+
+ /**
+ * @param dmaapContext
+ * @throws JSONException
+ * @throws ConfigDbException
+ * @throws IOException
+ *
+ */
+ public void getAllTopics(DMaaPContext dmaapContext) throws JSONException, ConfigDbException, IOException {
+
+ LOGGER.info("Fetching list of all the topics.");
+ JSONObject json = new JSONObject();
+
+ JSONArray topicsList = new JSONArray();
+
+ for (Topic topic : getMetaBroker(dmaapContext).getAllTopics()) {
+ JSONObject obj = new JSONObject();
+ obj.put("topicName", topic.getName());
+
+ obj.put("owner", topic.getOwner());
+ obj.put("txenabled", topic.isTransactionEnabled());
+ topicsList.put(obj);
+ }
+
+ json.put("topics", topicsList);
+
+ LOGGER.info("Returning list of all the topics.");
+ respondOk(dmaapContext, json);
+
+ }
+
+ /**
+ * @param dmaapContext
+ * @param topicName
+ * @throws ConfigDbException
+ * @throws IOException
+ * @throws TopicExistsException
+ */
+ @Override
+ public void getTopic(DMaaPContext dmaapContext, String topicName)
+ throws ConfigDbException, IOException, TopicExistsException {
+
+ LOGGER.info("Fetching details of topic " + topicName);
+ Topic t = getMetaBroker(dmaapContext).getTopic(topicName);
+
+ if (null == t) {
+ LOGGER.error("Topic [" + topicName + "] does not exist.");
+ throw new TopicExistsException("Topic [" + topicName + "] does not exist.");
+ }
+
+ JSONObject o = new JSONObject();
+ o.put("name", t.getName());
+ o.put("description", t.getDescription());
+
+ if (null != t.getOwners())
+ o.put("owner", t.getOwners().iterator().next());
+ if (null != t.getReaderAcl())
+ o.put("readerAcl", aclToJson(t.getReaderAcl()));
+ if (null != t.getWriterAcl())
+ o.put("writerAcl", aclToJson(t.getWriterAcl()));
+
+ LOGGER.info("Returning details of topic " + topicName);
+ respondOk(dmaapContext, o);
+
+ }
+
+ /**
+ * @param dmaapContext
+ * @param topicBean
+ * @throws CambriaApiException
+ * @throws AccessDeniedException
+ * @throws IOException
+ * @throws TopicExistsException
+ * @throws JSONException
+ *
+ *
+ *
+ */
+ @Override
+ public void createTopic(DMaaPContext dmaapContext, TopicBean topicBean) throws CambriaApiException, IOException {
+ String topicName = topicBean.getTopicName();
+ LOGGER.info("Creating topic {}",topicName);
+ String key = authorizeClient(dmaapContext, topicName, TOPIC_CREATE_OP);
+
+ try {
+ final int partitions = getValueOrDefault(topicBean.getPartitionCount(), "default.partitions");
+ final int replicas = getValueOrDefault(topicBean.getReplicationCount(), "default.replicas");
+
+ final Topic t = getMetaBroker(dmaapContext).createTopic(topicName, topicBean.getTopicDescription(),
+ key, partitions, replicas, topicBean.isTransactionEnabled());
+
+ LOGGER.info("Topic {} created successfully. Sending response", topicName);
+ respondOk(dmaapContext, topicToJson(t));
+ } catch (JSONException ex) {
+
+ LOGGER.error("Failed to create topic "+ topicName +". Couldn't parse JSON data.", ex);
+ ErrorResponse errRes = new ErrorResponse(HttpStatus.SC_BAD_REQUEST,
+ DMaaPResponseCode.INCORRECT_JSON.getResponseCode(), errorMessages.getIncorrectJson());
+ LOGGER.info(errRes.toString());
+ throw new CambriaApiException(errRes);
+
+ } catch (ConfigDbException ex) {
+
+ LOGGER.error("Failed to create topic "+ topicName +". Config DB Exception", ex);
+ ErrorResponse errRes = new ErrorResponse(HttpStatus.SC_BAD_REQUEST,
+ DMaaPResponseCode.INCORRECT_JSON.getResponseCode(), errorMessages.getIncorrectJson());
+ LOGGER.info(errRes.toString());
+ throw new CambriaApiException(errRes);
+ } catch (Broker1.TopicExistsException ex) {
+ LOGGER.error( "Failed to create topic "+ topicName +". Topic already exists.",ex);
+ }
+ }
+
+ private String authorizeClient(DMaaPContext dmaapContext, String topicName, String operation) throws DMaaPAccessDeniedException {
+ String clientId = Strings.EMPTY;
+ if(isCadiEnabled() && isTopicWithEnforcedAuthorization(topicName)) {
+ LOGGER.info("Performing AAF authorization for topic {} creation.", topicName);
+ String permission = buildPermission(topicName, operation);
+ DMaaPAAFAuthenticator aaf = new DMaaPAAFAuthenticatorImpl();
+ clientId = getAAFclientId(dmaapContext.getRequest());
+
+ if (!aaf.aafAuthentication(dmaapContext.getRequest(), permission)) {
+ LOGGER.error("Failed to {} topic {}. Authorization failed for client {} and permission {}",
+ operation, topicName, clientId, permission);
+ throw new DMaaPAccessDeniedException(new ErrorResponse(HttpStatus.SC_UNAUTHORIZED,
+ DMaaPResponseCode.ACCESS_NOT_PERMITTED.getResponseCode(),
+ "Failed to "+ operation +" topic: Access Denied. User does not have permission to create topic with perm " + permission));
+ }
+ } else if(operation.equals(TOPIC_CREATE_OP)){
+ final NsaApiKey user = getDmaapAuthenticatedUser(dmaapContext);
+ clientId = (user != null) ? user.getKey() : Strings.EMPTY;
+ }
+ return clientId;
+ }
+
+ private String getAAFclientId(HttpServletRequest request) {
+ Principal principal = request.getUserPrincipal();
+ if (principal !=null) {
+ return principal.getName();
+ } else {
+ LOGGER.warn("Performing AAF authorization but user has not been provided in request.");
+ return null;
+ }
+ }
+
+ private boolean isTopicWithEnforcedAuthorization(String topicName) {
+ String enfTopicNamespace = getPropertyFromAJSCbean("enforced.topic.name.AAF");
+ return enfTopicNamespace != null && topicName.startsWith(enfTopicNamespace);
+ }
+
+ int getValueOrDefault(int value, String defaultProperty) {
+ int returnValue = value;
+ if (returnValue <= 0) {
+ String defaultValue = getPropertyFromAJSCmap(defaultProperty);
+ returnValue = StringUtils.isNotEmpty(defaultValue) ? NumberUtils.toInt(defaultValue) : 1;
+ returnValue = (returnValue <= 0) ? 1 : returnValue;
+ }
+ return returnValue;
+ }
+
+ private String buildPermission(String topicName, String operation) {
+ String nameSpace = (topicName.indexOf('.') > 1) ?
+ topicName.substring(0, topicName.lastIndexOf('.')) : "";
+
+ String mrFactoryValue = getPropertyFromAJSCmap("msgRtr.topicfactory.aaf");
+ return mrFactoryValue + nameSpace + "|" + operation;
+ }
+
+ /**
+ * @param dmaapContext
+ * @param topicName
+ * @throws ConfigDbException
+ * @throws IOException
+ * @throws TopicExistsException
+ * @throws CambriaApiException
+ * @throws AccessDeniedException
+ */
+ @Override
+ public void deleteTopic(DMaaPContext dmaapContext, String topicName) throws IOException, ConfigDbException,
+ CambriaApiException, TopicExistsException, DMaaPAccessDeniedException, AccessDeniedException {
+
+ LOGGER.info(" Deleting topic " + topicName);
+ authorizeClient(dmaapContext, topicName, "destroy");
+
+ final Topic topic = getMetaBroker(dmaapContext).getTopic(topicName);
+ if (topic == null) {
+ LOGGER.error("Failed to delete topic. Topic [" + topicName + "] does not exist.");
+ throw new TopicExistsException("Failed to delete topic. Topic [" + topicName + "] does not exist.");
+ }
+
+ // metabroker.deleteTopic(topicName);
+
+ LOGGER.info("Topic [" + topicName + "] deleted successfully. Sending response.");
+ respondOk(dmaapContext, "Topic [" + topicName + "] deleted successfully");
+ }
+
+ /**
+ *
+ * @param dmaapContext
+ * @return
+ */
+ DMaaPKafkaMetaBroker getMetaBroker(DMaaPContext dmaapContext) {
+ return (DMaaPKafkaMetaBroker) dmaapContext.getConfigReader().getfMetaBroker();
+ }
+
+ /**
+ * @param dmaapContext
+ * @param topicName
+ * @throws ConfigDbException
+ * @throws IOException
+ * @throws TopicExistsException
+ *
+ */
+ @Override
+ public void getPublishersByTopicName(DMaaPContext dmaapContext, String topicName)
+ throws ConfigDbException, IOException, TopicExistsException {
+ LOGGER.info("Retrieving list of all the publishers for topic " + topicName);
+ Topic topic = getMetaBroker(dmaapContext).getTopic(topicName);
+
+ if (topic == null) {
+ LOGGER.error("Failed to retrieve publishers list for topic. Topic [" + topicName + "] does not exist.");
+ throw new TopicExistsException(
+ "Failed to retrieve publishers list for topic. Topic [" + topicName + "] does not exist.");
+ }
+
+ final NsaAcl acl = topic.getWriterAcl();
+
+ LOGGER.info("Returning list of all the publishers for topic " + topicName + ". Sending response.");
+ respondOk(dmaapContext, aclToJson(acl));
+
+ }
+
+ /**
+ *
+ * @param acl
+ * @return
+ */
+ private static JSONObject aclToJson(NsaAcl acl) {
+ final JSONObject o = new JSONObject();
+ if (acl == null) {
+ o.put("enabled", false);
+ o.put("users", new JSONArray());
+ } else {
+ o.put("enabled", acl.isActive());
+
+ final JSONArray a = new JSONArray();
+ for (String user : acl.getUsers()) {
+ a.put(user);
+ }
+ o.put("users", a);
+ }
+ return o;
+ }
+
+ /**
+ * @param dmaapContext
+ * @param topicName
+ */
+ @Override
+ public void getConsumersByTopicName(DMaaPContext dmaapContext, String topicName)
+ throws IOException, ConfigDbException, TopicExistsException {
+ LOGGER.info("Retrieving list of all the consumers for topic " + topicName);
+ Topic topic = getMetaBroker(dmaapContext).getTopic(topicName);
+
+ if (topic == null) {
+ LOGGER.error("Failed to retrieve consumers list for topic. Topic [" + topicName + "] does not exist.");
+ throw new TopicExistsException(
+ "Failed to retrieve consumers list for topic. Topic [" + topicName + "] does not exist.");
+ }
+
+ final NsaAcl acl = topic.getReaderAcl();
+
+ LOGGER.info("Returning list of all the consumers for topic " + topicName + ". Sending response.");
+ respondOk(dmaapContext, aclToJson(acl));
+
+ }
+
+ /**
+ *
+ * @param t
+ * @return
+ */
+ static JSONObject topicToJson(Topic t) {
+ final JSONObject o = new JSONObject();
+
+ o.put("name", t.getName());
+ o.put("description", t.getDescription());
+ o.put("owner", t.getOwner());
+ o.put("readerAcl", aclToJson(t.getReaderAcl()));
+ o.put("writerAcl", aclToJson(t.getWriterAcl()));
+
+ return o;
+ }
+
+ /**
+ * @param dmaapContext
+ * @param topicName @param producerId @throws
+ * ConfigDbException @throws IOException @throws
+ * TopicExistsException @throws AccessDeniedException @throws
+ *
+ */
+ @Override
+ public void permitPublisherForTopic(DMaaPContext dmaapContext, String topicName, String producerId)
+ throws AccessDeniedException, ConfigDbException, IOException, TopicExistsException, CambriaApiException {
+
+ LOGGER.info("Granting write access to producer [" + producerId + "] for topic " + topicName);
+ final NsaApiKey user = getDmaapAuthenticatedUser(dmaapContext);
+
+
+ //
+ // LOGGER.info("Authenticating the user, as ACL authentication is not
+
+ //// String permission =
+
+ //
+
+
+
+ // {
+ // LOGGER.error("Failed to permit write access to producer [" +
+ // producerId + "] for topic " + topicName
+
+ // ErrorResponse errRes = new ErrorResponse(HttpStatus.SC_FORBIDDEN,
+ // DMaaPResponseCode.ACCESS_NOT_PERMITTED.getResponseCode(),
+ // errorMessages.getNotPermitted1()+" <Grant publish permissions>
+
+
+
+ // }
+ // }
+
+ Topic topic = getMetaBroker(dmaapContext).getTopic(topicName);
+
+ if (null == topic) {
+ LOGGER.error("Failed to permit write access to producer [" + producerId + "] for topic. Topic [" + topicName
+ + "] does not exist.");
+ throw new TopicExistsException("Failed to permit write access to producer [" + producerId
+ + "] for topic. Topic [" + topicName + "] does not exist.");
+ }
+
+ topic.permitWritesFromUser(producerId, user);
+
+ LOGGER.info("Write access has been granted to producer [" + producerId + "] for topic [" + topicName
+ + "]. Sending response.");
+ respondOk(dmaapContext, "Write access has been granted to publisher.");
+
+ }
+
+ /**
+ * @param dmaapContext
+ * @param topicName
+ * @param producerId
+ * @throws ConfigDbException
+ * @throws IOException
+ * @throws TopicExistsException
+ * @throws AccessDeniedException
+ * @throws DMaaPAccessDeniedException
+ *
+ */
+ @Override
+ public void denyPublisherForTopic(DMaaPContext dmaapContext, String topicName, String producerId)
+ throws AccessDeniedException, ConfigDbException, IOException, TopicExistsException,
+ DMaaPAccessDeniedException {
+
+ LOGGER.info("Revoking write access to producer [" + producerId + "] for topic " + topicName);
+ final NsaApiKey user = getDmaapAuthenticatedUser(dmaapContext);
+
+ //
+ //// String permission =
+
+ // DMaaPAAFAuthenticator aaf = new DMaaPAAFAuthenticatorImpl();
+ // String permission = aaf.aafPermissionString(topicName, "manage");
+ // if(!aaf.aafAuthentication(dmaapContext.getRequest(), permission))
+ // {
+ // LOGGER.error("Failed to revoke write access to producer [" +
+ // producerId + "] for topic " + topicName
+
+ // ErrorResponse errRes = new ErrorResponse(HttpStatus.SC_FORBIDDEN,
+ // DMaaPResponseCode.ACCESS_NOT_PERMITTED.getResponseCode(),
+ // errorMessages.getNotPermitted1()+" <Revoke publish permissions>
+
+
+ // throw new DMaaPAccessDeniedException(errRes);
+ //
+
+ // }
+
+ Topic topic = getMetaBroker(dmaapContext).getTopic(topicName);
+
+ if (null == topic) {
+ LOGGER.error("Failed to revoke write access to producer [" + producerId + "] for topic. Topic [" + topicName
+ + "] does not exist.");
+ throw new TopicExistsException("Failed to revoke write access to producer [" + producerId
+ + "] for topic. Topic [" + topicName + "] does not exist.");
+ }
+
+ topic.denyWritesFromUser(producerId, user);
+
+ LOGGER.info("Write access has been revoked to producer [" + producerId + "] for topic [" + topicName
+ + "]. Sending response.");
+ respondOk(dmaapContext, "Write access has been revoked for publisher.");
+
+ }
+
+ /**
+ * @param dmaapContext
+ * @param topicName
+ * @param consumerId
+ * @throws DMaaPAccessDeniedException
+ */
+ @Override
+ public void permitConsumerForTopic(DMaaPContext dmaapContext, String topicName, String consumerId)
+ throws AccessDeniedException, ConfigDbException, IOException, TopicExistsException,
+ DMaaPAccessDeniedException {
+
+ LOGGER.info("Granting read access to consumer [" + consumerId + "] for topic " + topicName);
+ final NsaApiKey user = getDmaapAuthenticatedUser(dmaapContext);
+
+ //
+ //// String permission =
+
+
+ // String permission = aaf.aafPermissionString(topicName, "manage");
+ // if(!aaf.aafAuthentication(dmaapContext.getRequest(), permission))
+ // {
+ // LOGGER.error("Failed to permit read access to consumer [" +
+ // consumerId + "] for topic " + topicName
+
+ // ErrorResponse errRes = new ErrorResponse(HttpStatus.SC_FORBIDDEN,
+ // DMaaPResponseCode.ACCESS_NOT_PERMITTED.getResponseCode(),
+ // errorMessages.getNotPermitted1()+" <Grant consume permissions>
+
+
+
+ // }
+ // }
+
+ Topic topic = getMetaBroker(dmaapContext).getTopic(topicName);
+
+ if (null == topic) {
+ LOGGER.error("Failed to permit read access to consumer [" + consumerId + "] for topic. Topic [" + topicName
+ + "] does not exist.");
+ throw new TopicExistsException("Failed to permit read access to consumer [" + consumerId
+ + "] for topic. Topic [" + topicName + "] does not exist.");
+ }
+
+ topic.permitReadsByUser(consumerId, user);
+
+ LOGGER.info("Read access has been granted to consumer [" + consumerId + "] for topic [" + topicName
+ + "]. Sending response.");
+ respondOk(dmaapContext,
+ "Read access has been granted for consumer [" + consumerId + "] for topic [" + topicName + "].");
+ }
+
+ /**
+ * @param dmaapContext
+ * @param topicName
+ * @param consumerId
+ * @throws DMaaPAccessDeniedException
+ */
+ @Override
+ public void denyConsumerForTopic(DMaaPContext dmaapContext, String topicName, String consumerId)
+ throws AccessDeniedException, ConfigDbException, IOException, TopicExistsException,
+ DMaaPAccessDeniedException {
+
+ LOGGER.info("Revoking read access to consumer [" + consumerId + "] for topic " + topicName);
+ final NsaApiKey user = getDmaapAuthenticatedUser(dmaapContext);
+
+ //// String permission =
+
+
+ // String permission = aaf.aafPermissionString(topicName, "manage");
+ // if(!aaf.aafAuthentication(dmaapContext.getRequest(), permission))
+ // {
+ // LOGGER.error("Failed to revoke read access to consumer [" +
+ // consumerId + "] for topic " + topicName
+
+ // ErrorResponse errRes = new ErrorResponse(HttpStatus.SC_FORBIDDEN,
+ // DMaaPResponseCode.ACCESS_NOT_PERMITTED.getResponseCode(),
+ // errorMessages.getNotPermitted1()+" <Grant consume permissions>
+
+
+ // throw new DMaaPAccessDeniedException(errRes);
+ // }
+ //
+ //
+
+ Topic topic = getMetaBroker(dmaapContext).getTopic(topicName);
+
+ if (null == topic) {
+ LOGGER.error("Failed to revoke read access to consumer [" + consumerId + "] for topic. Topic [" + topicName
+ + "] does not exist.");
+ throw new TopicExistsException("Failed to permit read access to consumer [" + consumerId
+ + "] for topic. Topic [" + topicName + "] does not exist.");
+ }
+
+ topic.denyReadsByUser(consumerId, user);
+
+ LOGGER.info("Read access has been revoked to consumer [" + consumerId + "] for topic [" + topicName
+ + "]. Sending response.");
+ respondOk(dmaapContext,
+ "Read access has been revoked for consumer [" + consumerId + "] for topic [" + topicName + "].");
+
+ }
+
+}