httpasyncclient/src/examples/org/apache/http/examples/nio/client/AsyncClientCustomSSL.java

/*
 * ====================================================================
 * 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */
package org.apache.http.examples.nio.client;

import java.io.File;
import java.io.FileInputStream;
import java.security.KeyStore;
import java.util.concurrent.Future;

import javax.net.ssl.SSLContext;

import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.conn.ssl.SSLContexts;
import org.apache.http.conn.ssl.TrustSelfSignedStrategy;
import org.apache.http.impl.nio.client.CloseableHttpAsyncClient;
import org.apache.http.impl.nio.client.HttpAsyncClients;
import org.apache.http.nio.conn.ssl.SSLIOSessionStrategy;

/**
 * This example demonstrates how to create secure connections with a custom SSL
 * context.
 */
public class AsyncClientCustomSSL {

    public final static void main(String[] args) throws Exception {
        KeyStore trustStore  = KeyStore.getInstance(KeyStore.getDefaultType());
        FileInputStream instream = new FileInputStream(new File("my.keystore"));
        try {
            trustStore.load(instream, "nopassword".toCharArray());
        } finally {
            instream.close();
        }
        // Trust own CA and all self-signed certs
        SSLContext sslcontext = SSLContexts.custom()
                .loadTrustMaterial(trustStore, new TrustSelfSignedStrategy())
                .build();
        // Allow TLSv1 protocol only
        SSLIOSessionStrategy sslSessionStrategy = new SSLIOSessionStrategy(
                sslcontext,
                new String[] { "TLSv1" },
                null,
                SSLIOSessionStrategy.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
        CloseableHttpAsyncClient httpclient = HttpAsyncClients.custom()
                .setSSLStrategy(sslSessionStrategy)
                .build();
        try {
            httpclient.start();
            HttpGet request = new HttpGet("https://issues.apache.org/");
            Future<HttpResponse> future = httpclient.execute(request, null);
            HttpResponse response = future.get();
            System.out.println("Response: " + response.getStatusLine());
            System.out.println("Shutting down");
        } finally {
            httpclient.close();
        }
        System.out.println("Done");
    }

}