| /* |
| * Copyright 2018-present Open Networking Foundation |
| * |
| * 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. |
| */ |
| |
| package org.opencord.kafka.integrations; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.opencord.aaa.AuthenticationEvent; |
| import org.opencord.aaa.AuthenticationEventListener; |
| import org.opencord.aaa.AuthenticationService; |
| import org.opencord.kafka.EventBusService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.time.Instant; |
| |
| /** |
| * Listens for AAA events and pushes them on a Kafka bus. |
| */ |
| @Component(immediate = true) |
| public class AaaKafkaIntegration { |
| |
| public Logger log = LoggerFactory.getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected EventBusService eventBusService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected AuthenticationService authenticationService; |
| |
| private final AuthenticationEventListener listener = new InternalAuthenticationListener(); |
| |
| private static final String TOPIC = "authentication.events"; |
| |
| private static final String TIMESTAMP = "timestamp"; |
| private static final String DEVICE_ID = "deviceId"; |
| private static final String PORT_NUMBER = "portNumber"; |
| private static final String AUTHENTICATION_STATE = "authenticationState"; |
| |
| @Activate |
| public void activate() { |
| authenticationService.addListener(listener); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| authenticationService.removeListener(listener); |
| log.info("Stopped"); |
| } |
| |
| private void handle(AuthenticationEvent event) { |
| eventBusService.send(TOPIC, serialize(event)); |
| } |
| |
| private JsonNode serialize(AuthenticationEvent event) { |
| ObjectMapper mapper = new ObjectMapper(); |
| ObjectNode authEvent = mapper.createObjectNode(); |
| authEvent.put(TIMESTAMP, Instant.now().toString()); |
| authEvent.put(DEVICE_ID, event.subject().deviceId().toString()); |
| authEvent.put(PORT_NUMBER, event.subject().port().toString()); |
| authEvent.put(AUTHENTICATION_STATE, event.type().toString()); |
| return authEvent; |
| } |
| |
| private class InternalAuthenticationListener implements |
| AuthenticationEventListener { |
| |
| @Override |
| public void event(AuthenticationEvent authenticationEvent) { |
| handle(authenticationEvent); |
| } |
| } |
| } |