com.hazelcast.client.impl.operations.ClientReAuthOperation Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2020, Hazelcast, Inc. All Rights Reserved.
*
* 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 com.hazelcast.client.impl.operations;
import com.hazelcast.client.impl.ClientDataSerializerHook;
import com.hazelcast.client.impl.ClientEndpoint;
import com.hazelcast.client.impl.ClientEngineImpl;
import com.hazelcast.client.impl.StubAuthenticationException;
import com.hazelcast.client.impl.client.ClientPrincipal;
import com.hazelcast.core.MemberLeftException;
import com.hazelcast.logging.ILogger;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.spi.ExceptionAction;
import com.hazelcast.spi.UrgentSystemOperation;
import com.hazelcast.spi.exception.TargetNotMemberException;
import com.hazelcast.spi.impl.AllowedDuringPassiveState;
import java.io.IOException;
import java.util.Set;
import static com.hazelcast.spi.ExceptionAction.THROW_EXCEPTION;
public class ClientReAuthOperation
extends AbstractClientOperation
implements UrgentSystemOperation, AllowedDuringPassiveState {
private String clientUuid;
private long authCorrelationId;
public ClientReAuthOperation() {
}
public ClientReAuthOperation(String clientUuid, long authCorrelationId) {
this.clientUuid = clientUuid;
this.authCorrelationId = authCorrelationId;
}
@Override
public void run() throws Exception {
ClientEngineImpl engine = getService();
//Runs on {@link com.hazelcast.spi.ExecutionService.CLIENT_MANAGEMENT_EXECUTOR}
// to work in sync with ClientDisconnectionOperation
engine.getClientManagementExecutor().execute(new ClientReauthTask());
}
private boolean doRun() throws Exception {
ILogger logger = getLogger();
ClientEngineImpl engine = getService();
String memberUuid = getCallerUuid();
if (!engine.trySetLastAuthenticationCorrelationId(clientUuid, authCorrelationId)) {
String message = "Server already processed a newer authentication from client with UUID " + clientUuid
+ ". Not applying requested ownership change to " + memberUuid;
logger.info(message);
throw new StubAuthenticationException(message);
}
Set endpoints = engine.getEndpointManager().getEndpoints(clientUuid);
for (ClientEndpoint endpoint : endpoints) {
ClientPrincipal principal = new ClientPrincipal(clientUuid, memberUuid);
endpoint.authenticated(principal);
}
String previousMemberUuid = engine.addOwnershipMapping(clientUuid, memberUuid);
if (logger.isFineEnabled()) {
logger.fine("Client authenticated " + clientUuid + ", owner " + memberUuid);
}
return previousMemberUuid == null;
}
@Override
public boolean returnsResponse() {
// This method actually returns a response.
// Since operation needs to work on a different executor,
// (see {@link com.hazelcast.spi.ExecutionService.CLIENT_MANAGEMENT_EXECUTOR})
// the response is returned via ClientReAuthOperation.ClientReauthTask
return false;
}
@Override
public void logError(Throwable e) {
if (!(e instanceof StubAuthenticationException)) {
super.logError(e);
}
}
@Override
public ExceptionAction onInvocationException(Throwable throwable) {
if (throwable instanceof MemberLeftException || throwable instanceof TargetNotMemberException) {
return THROW_EXCEPTION;
}
return super.onInvocationException(throwable);
}
@Override
public String getServiceName() {
return ClientEngineImpl.SERVICE_NAME;
}
@Override
protected void writeInternal(ObjectDataOutput out) throws IOException {
super.writeInternal(out);
out.writeUTF(clientUuid);
out.writeLong(authCorrelationId);
}
@Override
protected void readInternal(ObjectDataInput in) throws IOException {
super.readInternal(in);
clientUuid = in.readUTF();
authCorrelationId = in.readLong();
}
@Override
public int getId() {
return ClientDataSerializerHook.RE_AUTH;
}
public class ClientReauthTask implements Runnable {
@Override
public void run() {
try {
sendResponse(doRun());
} catch (Exception e) {
sendResponse(e);
}
}
}
}