Java tutorial
/* * SSL-Explorer * * Copyright (C) 2003-2006 3SP LTD. All Rights Reserved * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ package com.sslexplorer.boot; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.net.InetAddress; import java.net.Socket; import java.net.UnknownHostException; import java.security.KeyManagementException; import java.security.KeyStore; import java.security.KeyStoreException; import java.security.NoSuchAlgorithmException; import java.security.UnrecoverableKeyException; import java.security.cert.CertPath; import java.security.cert.CertPathValidator; import java.security.cert.CertPathValidatorResult; import java.security.cert.Certificate; import java.security.cert.CertificateException; import java.security.cert.CertificateFactory; import java.security.cert.PKIXCertPathValidatorResult; import java.security.cert.PKIXParameters; import java.security.cert.TrustAnchor; import java.security.cert.X509Certificate; import java.util.Arrays; import java.util.Enumeration; import javax.net.SocketFactory; import javax.net.ssl.KeyManager; import javax.net.ssl.KeyManagerFactory; import javax.net.ssl.SSLContext; import javax.net.ssl.SSLSocket; import javax.net.ssl.SSLSocketFactory; import javax.net.ssl.TrustManager; import javax.net.ssl.X509TrustManager; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; /** */ public class CustomSSLSocketFactory extends SocketFactory { private static final Log log = LogFactory.getLog(CustomSSLSocketFactory.class); private static SocketFactory instance; private static Class socketFactoryImpl = CustomSSLSocketFactory.class; /** */ public CustomSSLSocketFactory() { } public static SocketFactory getDefault() { try { return instance == null ? instance = (SocketFactory) socketFactoryImpl.newInstance() : instance; } catch (Exception e) { log.error("Could not create instance of class " + socketFactoryImpl.getCanonicalName(), e); return instance == null ? instance = new CustomSSLSocketFactory() : instance; } } /** * @param socketFactoryImpl */ public static void setFactoryImpl(Class socketFactoryImpl) { CustomSSLSocketFactory.socketFactoryImpl = socketFactoryImpl; } public Socket createSocket() throws IOException { SSLSocket theSocket = (SSLSocket) getSocketFactory().createSocket(); return theSocket; } public Socket createSocket(String hostname, int port) throws IOException, UnknownHostException { SSLSocket theSocket = (SSLSocket) getSocketFactory().createSocket(hostname, port); return theSocket; } public Socket createSocket(String hostname, int port, InetAddress arg2, int arg3) throws IOException, UnknownHostException { SSLSocket theSocket = (SSLSocket) getSocketFactory().createSocket(hostname, port, arg2, arg3); return theSocket; } public Socket createSocket(InetAddress arg0, int arg1) throws IOException { SSLSocket theSocket = (SSLSocket) getSocketFactory().createSocket(arg0, arg1); return theSocket; } public Socket createSocket(InetAddress arg0, int arg1, InetAddress arg2, int arg3) throws IOException { SSLSocket theSocket = (SSLSocket) getSocketFactory().createSocket(arg0, arg1, arg2, arg3); return theSocket; } private SSLSocketFactory getSocketFactory() throws IOException { try { SSLContext sslCtx = SSLContext.getInstance("SSL"); KeyManager[] aKM = SSLKeyManager.getKeyManagerArray(); TrustManager[] aTM = SSLTrustManager.getTrustManagerArray(); sslCtx.init(aKM, aTM, null); SSLSocketFactory socketFactory = sslCtx.getSocketFactory(); return socketFactory; } catch (KeyManagementException e) { log.error("Cannot create SSL socket", e); throw new IOException("Cannot create SSL socket: " + e.getMessage()); } catch (NoSuchAlgorithmException e) { log.error("Cannot create SSL socket", e); throw new IOException("Cannot create SSL socket: " + e.getMessage()); } } }