/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.activemq.artemis.protocol.amqp.broker;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.Executor;
import java.util.concurrent.atomic.AtomicBoolean;
import io.netty.buffer.ByteBuf;
import org.apache.activemq.artemis.api.core.ActiveMQBuffers;
import org.apache.activemq.artemis.api.core.ActiveMQException;
import org.apache.activemq.artemis.core.buffers.impl.ChannelBufferWrapper;
import org.apache.activemq.artemis.core.client.impl.TopologyMemberImpl;
import org.apache.activemq.artemis.core.remoting.CloseListener;
import org.apache.activemq.artemis.core.remoting.FailureListener;
import org.apache.activemq.artemis.core.server.ActiveMQServer;
import org.apache.activemq.artemis.core.server.cluster.ClusterConnection;
import org.apache.activemq.artemis.core.server.cluster.ClusterManager;
import org.apache.activemq.artemis.core.transaction.Transaction;
import org.apache.activemq.artemis.core.transaction.impl.XidImpl;
import org.apache.activemq.artemis.protocol.amqp.exceptions.ActiveMQAMQPException;
import org.apache.activemq.artemis.protocol.amqp.logger.ActiveMQAMQPProtocolMessageBundle;
import org.apache.activemq.artemis.protocol.amqp.proton.AMQPConnectionContext;
import org.apache.activemq.artemis.protocol.amqp.proton.AmqpSupport;
import org.apache.activemq.artemis.protocol.amqp.proton.transaction.ProtonTransactionImpl;
import org.apache.activemq.artemis.protocol.amqp.proton.handler.ExtCapability;
import org.apache.activemq.artemis.protocol.amqp.sasl.AnonymousServerSASL;
import org.apache.activemq.artemis.protocol.amqp.sasl.PlainSASL;
import org.apache.activemq.artemis.protocol.amqp.sasl.SASLResult;
import org.apache.activemq.artemis.protocol.amqp.sasl.ServerSASL;
import org.apache.activemq.artemis.spi.core.remoting.Connection;
import org.apache.activemq.artemis.spi.core.remoting.ReadyListener;
import org.apache.activemq.artemis.utils.UUIDGenerator;
import org.apache.qpid.proton.amqp.Binary;
import org.apache.qpid.proton.amqp.Symbol;
import org.apache.qpid.proton.amqp.transport.AmqpError;
import org.jboss.logging.Logger;
public class AMQPConnectionCallback implements FailureListener, CloseListener {
private static final Logger logger = Logger.getLogger(AMQPConnectionCallback.class);
private ConcurrentMap<Binary, Transaction> transactions = new ConcurrentHashMap<>();
private final ProtonProtocolManager manager;
private final Connection connection;
protected ActiveMQProtonRemotingConnection protonConnectionDelegate;
protected AMQPConnectionContext amqpConnection;
private final Executor closeExecutor;
private String remoteContainerId;
private AtomicBoolean registeredConnectionId = new AtomicBoolean(false);
private ActiveMQServer server;
public AMQPConnectionCallback(ProtonProtocolManager manager,
Connection connection,
Executor closeExecutor,
ActiveMQServer server) {
this.manager = manager;
this.connection = connection;
this.closeExecutor = closeExecutor;
this.server = server;
}
public ServerSASL[] getSASLMechnisms() {
ServerSASL[] result;
if (isSupportsAnonymous()) {
result = new ServerSASL[]{new PlainSASL(manager.getServer().getSecurityStore()), new AnonymousServerSASL()};
} else {
result = new ServerSASL[]{new PlainSASL(manager.getServer().getSecurityStore())};
}
return result;
}
public boolean isSupportsAnonymous() {
boolean supportsAnonymous = false;
try {
manager.getServer().getSecurityStore().authenticate(null, null, null);
supportsAnonymous = true;
} catch (Exception e) {
// authentication failed so no anonymous support
}
return supportsAnonymous;
}
public void close() {
try {
if (registeredConnectionId.getAndSet(false)) {
server.removeClientConnection(remoteContainerId);
}
connection.close();
amqpConnection.close(null);
} finally {
for (Transaction tx : transactions.values()) {
try {
tx.rollback();
} catch (Exception e) {
logger.warn(e.getMessage(), e);
}
}
}
}
public Executor getExeuctor() {
if (protonConnectionDelegate != null) {
return protonConnectionDelegate.getExecutor();
} else {
return null;
}
}
public void setConnection(AMQPConnectionContext connection) {
this.amqpConnection = connection;
}
public AMQPConnectionContext getConnection() {
return amqpConnection;
}
public ActiveMQProtonRemotingConnection getProtonConnectionDelegate() {
return protonConnectionDelegate;
}
public void setProtonConnectionDelegate(ActiveMQProtonRemotingConnection protonConnectionDelegate) {
this.protonConnectionDelegate = protonConnectionDelegate;
}
public void onTransport(ByteBuf byteBuf, AMQPConnectionContext amqpConnection) {
connection.write(new ChannelBufferWrapper(byteBuf, true));
}
public boolean isWritable(ReadyListener readyListener) {
return connection.isWritable(readyListener);
}
public AMQPSessionCallback createSessionCallback(AMQPConnectionContext connection) {
return new AMQPSessionCallback(this, manager, connection, this.connection, closeExecutor, server.newOperationContext());
}
public void sendSASLSupported() {
connection.write(ActiveMQBuffers.wrappedBuffer(new byte[]{'A', 'M', 'Q', 'P', 3, 1, 0, 0}));
}
public boolean validateConnection(org.apache.qpid.proton.engine.Connection connection, SASLResult saslResult) {
remoteContainerId = connection.getRemoteContainer();
boolean idOK = server.addClientConnection(remoteContainerId, ExtCapability.needUniqueConnection(connection));
if (!idOK) {
//https://issues.apache.org/jira/browse/ARTEMIS-728
Map<Symbol, Object> connProp = new HashMap<>();
connProp.put(AmqpSupport.CONNECTION_OPEN_FAILED, "true");
connection.setProperties(connProp);
connection.getCondition().setCondition(AmqpError.INVALID_FIELD);
Map<Symbol, Symbol> info = new HashMap<>();
info.put(AmqpSupport.INVALID_FIELD, AmqpSupport.CONTAINER_ID);
connection.getCondition().setInfo(info);
return false;
}
registeredConnectionId.set(true);
return true;
}
@Override
public void connectionClosed() {
close();
}
@Override
public void connectionFailed(ActiveMQException exception, boolean failedOver) {
close();
}
@Override
public void connectionFailed(ActiveMQException exception, boolean failedOver, String scaleDownTargetNodeID) {
close();
}
public Binary newTransaction() {
XidImpl xid = newXID();
Binary binary = new Binary(xid.getGlobalTransactionId());
Transaction transaction = new ProtonTransactionImpl(xid, server.getStorageManager(), -1);
transactions.put(binary, transaction);
return binary;
}
public Transaction getTransaction(Binary txid, boolean remove) throws ActiveMQAMQPException {
Transaction tx;
if (remove) {
tx = transactions.remove(txid);
} else {
tx = transactions.get(txid);
}
if (tx == null) {
logger.warn("Couldn't find txid = " + txid);
throw ActiveMQAMQPProtocolMessageBundle.BUNDLE.txNotFound(txid.toString());
}
return tx;
}
public Transaction removeTransaction(Binary txid) {
XidImpl xid = newXID(txid.getArray());
return transactions.remove(xid);
}
protected XidImpl newXID() {
return newXID(UUIDGenerator.getInstance().generateStringUUID().getBytes());
}
protected XidImpl newXID(byte[] bytes) {
return new XidImpl("amqp".getBytes(), 1, bytes);
}
public URI getFailoverList() {
ClusterManager clusterManager = server.getClusterManager();
ClusterConnection clusterConnection = clusterManager.getDefaultConnection(null);
if (clusterConnection != null) {
TopologyMemberImpl member = clusterConnection.getTopology().getMember(server.getNodeID().toString());
return member.toBackupURI();
}
return null;
}
}