| /* |
| * 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.kafka.common.network; |
| |
| import javax.net.ssl.SSLContext; |
| import javax.net.ssl.SSLSocket; |
| import javax.net.ssl.TrustManager; |
| import javax.net.ssl.X509TrustManager; |
| import java.io.OutputStream; |
| import java.net.InetSocketAddress; |
| import java.security.cert.CertificateException; |
| import java.security.cert.X509Certificate; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| public class SslSender extends Thread { |
| |
| private final InetSocketAddress serverAddress; |
| private final byte[] payload; |
| private final CountDownLatch handshaked = new CountDownLatch(1); |
| |
| public SslSender(InetSocketAddress serverAddress, byte[] payload) { |
| this.serverAddress = serverAddress; |
| this.payload = payload; |
| setDaemon(true); |
| setName("SslSender - " + payload.length + " bytes @ " + serverAddress); |
| } |
| |
| @Override |
| public void run() { |
| try { |
| SSLContext sc = SSLContext.getInstance("TLSv1.2"); |
| sc.init(null, new TrustManager[]{new NaiveTrustManager()}, new java.security.SecureRandom()); |
| try (SSLSocket connection = (SSLSocket) sc.getSocketFactory().createSocket(serverAddress.getAddress(), serverAddress.getPort())) { |
| OutputStream os = connection.getOutputStream(); |
| connection.startHandshake(); |
| handshaked.countDown(); |
| os.write(payload); |
| os.flush(); |
| } |
| } catch (Exception e) { |
| e.printStackTrace(System.err); |
| } |
| } |
| |
| public boolean waitForHandshake(long timeoutMillis) throws InterruptedException { |
| return handshaked.await(timeoutMillis, TimeUnit.MILLISECONDS); |
| } |
| |
| /** |
| * blindly trust any certificate presented to it |
| */ |
| private static class NaiveTrustManager implements X509TrustManager { |
| @Override |
| public void checkClientTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException { |
| //nop |
| } |
| |
| @Override |
| public void checkServerTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException { |
| //nop |
| } |
| |
| @Override |
| public X509Certificate[] getAcceptedIssuers() { |
| return new X509Certificate[0]; |
| } |
| } |
| } |