org.eclipse.rdf4j.http.client.util.HttpClientBuilders.java Source code

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Here is the source code for org.eclipse.rdf4j.http.client.util.HttpClientBuilders.java

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/*******************************************************************************
 * Copyright (c) 2015 Eclipse RDF4J contributors, Aduna, and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Distribution License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *******************************************************************************/
package org.eclipse.rdf4j.http.client.util;

import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.SSLSession;

import org.apache.http.client.HttpClient;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.ssl.SSLContextBuilder;
import org.apache.http.ssl.TrustStrategy;
import org.eclipse.rdf4j.http.client.HttpClientDependent;

/**
 * Convenience utility class offering helper methods to configure {@link HttpClient}s and
 * {@link HttpClientBuilders}.
 * 
 * @author Andreas Schwarte
 * @see HttpClientDependent
 */
public class HttpClientBuilders {

    /**
     * Return an {@link HttpClientBuilder} that can be used to build an {@link HttpClient} which trusts all
     * certificates (particularly including self-signed certificates).
     * 
     * @return a {@link HttpClientBuilder} for <i>SSL trust all</i>
     */
    public static HttpClientBuilder getSSLTrustAllHttpClientBuilder() {
        try {
            SSLContextBuilder builder = new SSLContextBuilder();
            builder.loadTrustMaterial(null, new TrustStrategy() {

                @Override
                public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {
                    return true;
                }
            });

            HostnameVerifier hostNameVerifier = new HostnameVerifier() {

                @Override
                public boolean verify(String hostname, SSLSession session) {
                    return true;
                }
            };
            SSLConnectionSocketFactory sslSF = new SSLConnectionSocketFactory(builder.build(), hostNameVerifier);

            return HttpClients.custom().setSSLSocketFactory(sslSF).useSystemProperties();
        } catch (Exception e) {
            // key management exception, etc.
            throw new RuntimeException(e);
        }
    }
}