org.openntf.xpt.agents.master.ClientSSLResistanceExtender.java Source code

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/*
 *  Copyright WebGate Consulting AG, 2013
 * 
 * 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 org.openntf.xpt.agents.master;

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

import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLException;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import org.apache.http.client.HttpClient;
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.conn.ssl.X509HostnameVerifier;
import org.apache.http.impl.client.DefaultHttpClient;

public class ClientSSLResistanceExtender {

    public static HttpClient wrapClient(HttpClient base) {
        try {
            SSLContext ctx = SSLContext.getInstance("sslv3");
            X509TrustManager tm = new X509TrustManager() {

                public void checkClientTrusted(X509Certificate[] xcs, String string) throws CertificateException {
                }

                public void checkServerTrusted(X509Certificate[] xcs, String string) throws CertificateException {
                }

                public X509Certificate[] getAcceptedIssuers() {
                    return null;
                }
            };
            X509HostnameVerifier verifier = new X509HostnameVerifier() {

                public void verify(String arg0, SSLSocket arg1) throws IOException {
                }

                public void verify(String arg0, X509Certificate arg1) throws SSLException {
                }

                public void verify(String arg0, String[] arg1, String[] arg2) throws SSLException {
                }

                public boolean verify(String hostname, SSLSession session) {
                    return true;
                }

            };
            ctx.init(null, new TrustManager[] { tm }, null);
            SSLSocketFactory ssf = new SSLSocketFactory(ctx, verifier);
            ClientConnectionManager ccm = base.getConnectionManager();
            SchemeRegistry sr = ccm.getSchemeRegistry();
            sr.register(new Scheme("https", 443, ssf));
            return new DefaultHttpClient(ccm, base.getParams());
        } catch (Exception ex) {
            ex.printStackTrace();
            return null;
        }
    }
}