io.cdap.cdap.internal.app.runtime.monitor.proxy.ServiceSocksServerHandler Maven / Gradle / Ivy
/*
* Copyright © 2019 Cask Data, Inc.
*
* 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 io.cdap.cdap.internal.app.runtime.monitor.proxy;
import io.netty.channel.ChannelHandler;
import org.apache.twill.discovery.DiscoveryServiceClient;
/**
* A {@link ChannelHandler} for handling SOCKS handshake requests for the {@link ServiceSocksProxy}.
*/
final class ServiceSocksServerHandler extends AbstractSocksServerHandler {
private final DiscoveryServiceClient discoveryServiceClient;
private final ServiceSocksProxyAuthenticator authenticator;
ServiceSocksServerHandler(DiscoveryServiceClient discoveryServiceClient,
ServiceSocksProxyAuthenticator authenticator) {
this.discoveryServiceClient = discoveryServiceClient;
this.authenticator = authenticator;
}
@Override
protected boolean requireAuthentication() {
return true;
}
@Override
protected boolean authenticate(String username, String password) {
return authenticator.authenticate(username, password);
}
@Override
protected ChannelHandler createSocks4ConnectHandler() {
return null;
}
@Override
protected ChannelHandler createSocks5ConnectHandler() {
return new ServiceSocksServerConnectHandler(discoveryServiceClient);
}
}