Files
IM-server-new/broker/src/main/java/io/moquette/spi/impl/Qos0PublishHandler.java
T

69 lines
2.6 KiB
Java

/*
* Copyright (c) 2012-2017 The original author or authors
* ------------------------------------------------------
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* The Apache License v2.0 is available at
* http://www.opensource.org/licenses/apache2.0.php
*
* You may elect to redistribute this code under either of these licenses.
*/
package io.moquette.spi.impl;
import io.moquette.server.netty.NettyUtils;
import io.moquette.spi.IMessagesStore;
import io.moquette.spi.impl.subscriptions.Topic;
import io.moquette.spi.security.IAuthorizator;
import io.netty.channel.Channel;
import io.netty.handler.codec.mqtt.MqttPublishMessage;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static io.moquette.spi.impl.ProtocolProcessor.asStoredMessage;
class Qos0PublishHandler extends QosPublishHandler {
private static final Logger LOG = LoggerFactory.getLogger(Qos0PublishHandler.class);
private final IMessagesStore m_messagesStore;
private final BrokerInterceptor m_interceptor;
private final MessagesPublisher publisher;
public Qos0PublishHandler(IAuthorizator authorizator, IMessagesStore messagesStore, BrokerInterceptor interceptor,
MessagesPublisher messagesPublisher) {
super(authorizator);
this.m_messagesStore = messagesStore;
this.m_interceptor = interceptor;
this.publisher = messagesPublisher;
}
void receivedPublishQos0(Channel channel, MqttPublishMessage msg) {
// verify if topic can be write
final Topic topic = new Topic(msg.variableHeader().topicName());
String clientID = NettyUtils.clientID(channel);
String username = NettyUtils.userName(channel);
if (!m_authorizator.canWrite(topic, username, clientID)) {
LOG.error("MQTT client is not authorized to publish on topic. CId={}, topic={}", clientID, topic);
return;
}
// route message to subscribers
IMessagesStore.StoredMessage toStoreMsg = asStoredMessage(msg);
toStoreMsg.setClientID(clientID);
this.publisher.publish2Subscribers(toStoreMsg, topic);
if (msg.fixedHeader().isRetain()) {
// QoS == 0 && retain => clean old retained
m_messagesStore.cleanRetained(topic);
}
m_interceptor.notifyTopicPublished(msg, clientID, username);
}
}