improved mqtt publisher to support any topic

master
Amalka Subasinghe 1 year ago
parent 0fa68222e7
commit b1d501d7ed

@ -94,12 +94,18 @@ public class MQTTEventAdapterFactory extends OutputEventAdapterFactory {
qos.setOptions(new String[]{"0", "1", "2"});
qos.setDefaultValue("2");
// set topic
Property topicProperty = new Property(MQTTEventAdapterConstants.ADAPTER_MESSAGE_TOPIC);
topicProperty.setDisplayName(resourceBundle.getString(MQTTEventAdapterConstants.ADAPTER_MESSAGE_TOPIC));
topicProperty.setRequired(false);
staticPropertyList.add(brokerUrl);
staticPropertyList.add(userName);
staticPropertyList.add(scopes);
staticPropertyList.add(clearSession);
staticPropertyList.add(qos);
staticPropertyList.add(password);
staticPropertyList.add(topicProperty);
return staticPropertyList;
}

@ -17,37 +17,28 @@
*/
package io.entgra.device.mgt.plugins.output.adapter.mqtt.util;
import io.entgra.device.mgt.core.apimgt.keymgt.extension.DCRResponse;
import io.entgra.device.mgt.core.apimgt.keymgt.extension.TokenRequest;
import io.entgra.device.mgt.core.apimgt.keymgt.extension.TokenResponse;
import io.entgra.device.mgt.core.apimgt.keymgt.extension.exception.BadRequestException;
import io.entgra.device.mgt.core.apimgt.keymgt.extension.exception.KeyMgtException;
import io.entgra.device.mgt.core.apimgt.keymgt.extension.service.KeyMgtService;
import io.entgra.device.mgt.core.apimgt.keymgt.extension.service.KeyMgtServiceImpl;
import io.entgra.device.mgt.core.identity.jwt.client.extension.exception.JWTClientException;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.ssl.Base64;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.message.BasicHeader;
import org.eclipse.paho.client.mqttv3.MqttClient;
import org.eclipse.paho.client.mqttv3.MqttConnectOptions;
import org.eclipse.paho.client.mqttv3.MqttException;
import org.eclipse.paho.client.mqttv3.MqttMessage;
import org.eclipse.paho.client.mqttv3.persist.MqttDefaultFilePersistence;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
import io.entgra.device.mgt.core.apimgt.keymgt.extension.DCRResponse;
import io.entgra.device.mgt.core.apimgt.keymgt.extension.TokenRequest;
import io.entgra.device.mgt.core.apimgt.keymgt.extension.TokenResponse;
import io.entgra.device.mgt.core.apimgt.keymgt.extension.exception.BadRequestException;
import io.entgra.device.mgt.core.apimgt.keymgt.extension.exception.KeyMgtException;
import io.entgra.device.mgt.core.apimgt.keymgt.extension.service.KeyMgtService;
import io.entgra.device.mgt.core.apimgt.keymgt.extension.service.KeyMgtServiceImpl;
import org.jetbrains.annotations.NotNull;
import org.wso2.carbon.context.PrivilegedCarbonContext;
import org.wso2.carbon.event.output.adapter.core.exception.ConnectionUnavailableException;
import org.wso2.carbon.event.output.adapter.core.exception.OutputEventAdapterException;
import org.wso2.carbon.event.output.adapter.core.exception.OutputEventAdapterRuntimeException;
import io.entgra.device.mgt.core.identity.jwt.client.extension.dto.AccessTokenInfo;
import io.entgra.device.mgt.core.identity.jwt.client.extension.exception.JWTClientException;
import io.entgra.device.mgt.core.identity.jwt.client.extension.service.JWTClientManagerService;
import org.wso2.carbon.user.api.UserStoreException;
/**
@ -153,6 +144,8 @@ public class MQTTAdapterPublisher {
String dcrUrlString = this.mqttBrokerConnectionConfiguration.getDcrUrl();
if (dcrUrlString != null && !dcrUrlString.isEmpty()) {
PrivilegedCarbonContext.startTenantFlow();
PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantDomain(tenantDomain, true);
try {
KeyMgtService keyMgtService = new KeyMgtServiceImpl();
String applicationName = MQTTEventAdapterConstants.APPLICATION_NAME_PREFIX
@ -170,6 +163,8 @@ public class MQTTAdapterPublisher {
} catch (KeyMgtException e) {
log.error("Failed to create an application.", e);
throw new OutputEventAdapterRuntimeException("Failed to create an application.", e);
} finally {
PrivilegedCarbonContext.endTenantFlow();
}
}
throw new OutputEventAdapterRuntimeException("Invalid configuration for mqtt publisher");
@ -177,27 +172,33 @@ public class MQTTAdapterPublisher {
private String getToken(String clientId, String clientSecret)
throws UserStoreException, JWTClientException {
PrivilegedCarbonContext.startTenantFlow();
PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantDomain(tenantDomain, true);
try {
String scopes = mqttBrokerConnectionConfiguration.getScopes();
scopes += " perm:topic:pub:" + tenantDomain + ":+:+:operation";
TokenRequest tokenRequest = new TokenRequest(clientId, clientSecret,
null, scopes.toString(), "client_credentials", null,
null, null, null, Integer.MAX_VALUE);
TokenRequest tokenRequest = getTokenRequest(clientId, clientSecret);
KeyMgtService keyMgtService = new KeyMgtServiceImpl();
TokenResponse tokenResponse = keyMgtService.generateAccessToken(tokenRequest);
return tokenResponse.getAccessToken();
} catch (KeyMgtException | BadRequestException e) {
log.error("Error while generating access token", e);
} finally {
PrivilegedCarbonContext.endTenantFlow();
}
return null;
}
@NotNull
private TokenRequest getTokenRequest(String clientId, String clientSecret) {
String scopes = mqttBrokerConnectionConfiguration.getScopes();
scopes += " perm:topic:pub:" + tenantDomain + ":+:+:operation";
if (!StringUtils.isEmpty(mqttBrokerConnectionConfiguration.getTopic())) {
scopes += " perm:topic:pub:" + mqttBrokerConnectionConfiguration.getTopic().replace("/",":");
}
TokenRequest tokenRequest = new TokenRequest(clientId, clientSecret,
null, scopes.toString(), "client_credentials", null,
null, null, null, Integer.MAX_VALUE);
return tokenRequest;
}
private String getBase64Encode(String key, String value) {
return new String(Base64.encodeBase64((key + ":" + value).getBytes()));
}

@ -17,8 +17,8 @@
*/
package io.entgra.device.mgt.plugins.output.adapter.mqtt.util;
import org.apache.commons.lang3.StringUtils;
import org.wso2.carbon.event.output.adapter.core.OutputEventAdapterConfiguration;
import org.wso2.carbon.event.output.adapter.core.exception.OutputEventAdapterException;
import java.util.Map;
@ -36,6 +36,8 @@ public class MQTTBrokerConnectionConfiguration {
private boolean globalCredentailSet;
private int qos;
private String topic;
public String getTokenUrl() {
return tokenUrl;
}
@ -79,6 +81,11 @@ public class MQTTBrokerConnectionConfiguration {
public int getQos() {
return qos;
}
public String getTopic() {
return topic;
}
public MQTTBrokerConnectionConfiguration(OutputEventAdapterConfiguration eventAdapterConfiguration,
Map<String, String> globalProperties) {
adapterName = eventAdapterConfiguration.getName();
@ -123,7 +130,10 @@ public class MQTTBrokerConnectionConfiguration {
this.qos = Integer.parseInt(qosVal);
}
String topic = eventAdapterConfiguration.getStaticProperties().get(MQTTEventAdapterConstants.ADAPTER_MESSAGE_TOPIC);
if (!StringUtils.isEmpty(topic)) {
this.topic = topic;
}
}
}

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