Java tutorial
/* * 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.reef.runtime.hdinsight.client.sslhacks; import org.apache.http.conn.ClientConnectionManager; import org.apache.http.conn.scheme.Scheme; import org.apache.http.conn.scheme.SchemeRegistry; import org.apache.http.conn.ssl.SSLSocketFactory; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.impl.conn.BasicClientConnectionManager; import org.apache.reef.tang.ExternalConstructor; import javax.inject.Inject; import javax.net.ssl.KeyManager; import javax.net.ssl.SSLContext; import javax.net.ssl.TrustManager; import java.security.KeyManagementException; import java.security.NoSuchAlgorithmException; import java.security.SecureRandom; import java.util.logging.Level; import java.util.logging.Logger; /** * A Client constructor that produces Clients that do not check SSL. */ public final class UnsafeClientConstructor implements ExternalConstructor<CloseableHttpClient> { @Inject UnsafeClientConstructor() { Logger.getLogger(UnsafeClientConstructor.class.getName()).log(Level.SEVERE, "DANGER: INSTANTIATING HTTP CLIENT WITH NO SSL CHECKS."); } @Override public CloseableHttpClient newInstance() { try { final SSLSocketFactory socketFactory = new SSLSocketFactory(this.getSSLContext()); socketFactory.setHostnameVerifier(new UnsafeHostNameVerifier()); final SchemeRegistry schemeRegistry = new SchemeRegistry(); schemeRegistry.register(new Scheme("https", 443, socketFactory)); final ClientConnectionManager clientConnectionManager = new BasicClientConnectionManager( schemeRegistry); return new DefaultHttpClient(clientConnectionManager); } catch (final KeyManagementException | NoSuchAlgorithmException ex) { throw new RuntimeException("Unable to instantiate HTTP Client", ex); } } private SSLContext getSSLContext() throws KeyManagementException, NoSuchAlgorithmException { final SSLContext sc = SSLContext.getInstance("TLS"); sc.init(new KeyManager[0], new TrustManager[] { new UnsafeTrustManager() }, new SecureRandom()); return sc; } }