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/*******************************************************************************
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Modifications Copyright © 2021 Orange.
* ================================================================================
* 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=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*
*******************************************************************************/
package org.onap.dmaap.mr.client.impl;
import com.att.nsa.apiClient.credentials.ApiCredential;
import com.att.nsa.apiClient.http.HttpException;
import com.att.nsa.apiClient.http.HttpObjectNotFoundException;
import java.io.IOException;
import java.net.MalformedURLException;
import java.util.Collection;
import java.util.Set;
import java.util.TreeSet;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.onap.dmaap.mr.client.MRIdentityManager;
import org.onap.dmaap.mr.client.MRTopicManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class MRMetaClient extends MRBaseClient implements MRTopicManager, MRIdentityManager {
private static final String BASE_URI_TOPIC = "/topics";
private static final String BASE_URI_APIKEY = "/apiKeys";
private static final String PARAM_DESCRIPTION = "description";
private static final String PARAM_EMAIL = "email";
private static final Logger logger = LoggerFactory.getLogger(MRMetaClient.class);
public MRMetaClient(Collection<String> baseUrls) throws MalformedURLException {
super(baseUrls);
}
@Override
public Set<String> getTopics() throws IOException {
final TreeSet<String> set = new TreeSet<>();
try {
final JSONObject topicSet = get(BASE_URI_TOPIC);
final JSONArray a = topicSet.getJSONArray("topics");
for (int i = 0; i < a.length(); i++) {
set.add(a.getString(i));
}
} catch (HttpObjectNotFoundException e) {
getLog().warn("No /topics endpoint on service.");
logger.error("HttpObjectNotFoundException: ", e);
} catch (JSONException e) {
getLog().warn("Bad /topics result from service.");
logger.error("JSONException: ", e);
} catch (HttpException e) {
throw new IOException(e);
}
return set;
}
@Override
public TopicInfo getTopicMetadata(String topic) throws HttpObjectNotFoundException, IOException {
try {
final JSONObject topicData = get(BASE_URI_TOPIC + "/" + MRConstants.escape(topic));
return new TopicInfo() {
@Override
public String getOwner() {
return topicData.optString("owner", null);
}
@Override
public String getDescription() {
return topicData.optString(PARAM_DESCRIPTION, null);
}
@Override
public Set<String> getAllowedProducers() {
final JSONObject acl = topicData.optJSONObject("writerAcl");
if (acl != null && acl.optBoolean("enabled", true)) {
return jsonArrayToSet(acl.optJSONArray("users"));
}
return null;
}
@Override
public Set<String> getAllowedConsumers() {
final JSONObject acl = topicData.optJSONObject("readerAcl");
if (acl != null && acl.optBoolean("enabled", true)) {
return jsonArrayToSet(acl.optJSONArray("users"));
}
return null;
}
};
} catch (JSONException e) {
throw new IOException(e);
} catch (HttpException e) {
throw new IOException(e);
}
}
@Override
public void createTopic(String topicName, String topicDescription, int partitionCount, int replicationCount) throws HttpException, IOException {
final JSONObject o = new JSONObject();
o.put("topicName", topicName);
o.put("topicDescription", topicDescription);
o.put("partitionCount", partitionCount);
o.put("replicationCount", replicationCount);
post(BASE_URI_TOPIC + "/create", o, false);
}
@Override
public void deleteTopic(String topic) throws HttpException, IOException {
delete(BASE_URI_TOPIC + "/" + MRConstants.escape(topic));
}
@Override
public boolean isOpenForProducing(String topic) throws HttpObjectNotFoundException, IOException {
return null == getAllowedProducers(topic);
}
@Override
public Set<String> getAllowedProducers(String topic) throws HttpObjectNotFoundException, IOException {
return getTopicMetadata(topic).getAllowedProducers();
}
@Override
public void allowProducer(String topic, String apiKey) throws HttpObjectNotFoundException, HttpException, IOException {
put(BASE_URI_TOPIC + "/" + MRConstants.escape(topic) + "/producers/" + MRConstants.escape(apiKey), new JSONObject());
}
@Override
public void revokeProducer(String topic, String apiKey) throws HttpException, IOException {
delete(BASE_URI_TOPIC + "/" + MRConstants.escape(topic) + "/producers/" + MRConstants.escape(apiKey));
}
@Override
public boolean isOpenForConsuming(String topic) throws HttpObjectNotFoundException, IOException {
return null == getAllowedConsumers(topic);
}
@Override
public Set<String> getAllowedConsumers(String topic) throws HttpObjectNotFoundException, IOException {
return getTopicMetadata(topic).getAllowedConsumers();
}
@Override
public void allowConsumer(String topic, String apiKey) throws HttpObjectNotFoundException, HttpException, IOException {
put(BASE_URI_TOPIC + "/" + MRConstants.escape(topic) + "/consumers/" + MRConstants.escape(apiKey), new JSONObject());
}
@Override
public void revokeConsumer(String topic, String apiKey) throws HttpException, IOException {
delete(BASE_URI_TOPIC + "/" + MRConstants.escape(topic) + "/consumers/" + MRConstants.escape(apiKey));
}
@Override
public ApiCredential createApiKey(String email, String description) throws HttpException, MRApiException, IOException {
try {
final JSONObject o = new JSONObject();
o.put(PARAM_EMAIL, email);
o.put(PARAM_DESCRIPTION, description);
final JSONObject reply = post(BASE_URI_APIKEY + "/create", o, true);
return new ApiCredential(reply.getString("key"), reply.getString("secret"));
} catch (JSONException e) {
// the response doesn't meet our expectation
throw new MRApiException("The API key response is incomplete.", e);
}
}
@Override
public ApiKey getApiKey(String apiKey) throws HttpObjectNotFoundException, HttpException, IOException {
final JSONObject keyEntry = get(BASE_URI_APIKEY + "/" + MRConstants.escape(apiKey));
if (keyEntry == null) {
return null;
}
return new ApiKey() {
@Override
public String getEmail() {
final JSONObject aux = keyEntry.optJSONObject("aux");
if (aux != null) {
return aux.optString(PARAM_EMAIL);
}
return null;
}
@Override
public String getDescription() {
final JSONObject aux = keyEntry.optJSONObject("aux");
if (aux != null) {
return aux.optString(PARAM_DESCRIPTION);
}
return null;
}
};
}
@Override
public void updateCurrentApiKey(String email, String description) throws HttpObjectNotFoundException, HttpException, IOException {
final JSONObject o = new JSONObject();
if (email != null) {
o.put(PARAM_EMAIL, email);
}
if (description != null) {
o.put(PARAM_DESCRIPTION, description);
}
patch(BASE_URI_APIKEY + "/" + MRConstants.escape(getCurrentApiKey()), o);
}
@Override
public void deleteCurrentApiKey() throws HttpException, IOException {
delete(BASE_URI_APIKEY + "/" + MRConstants.escape(getCurrentApiKey()));
}
}
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