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path: root/swext/mediawiki/src/com/sun/star/wiki/WikiProtocolSocketFactory.java
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/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

package com.sun.star.wiki;

import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.UnknownHostException;
import java.security.KeyStore;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import org.apache.commons.httpclient.ConnectTimeoutException;
import org.apache.commons.httpclient.HttpClientError;
import org.apache.commons.httpclient.params.HttpConnectionParams;
import org.apache.commons.httpclient.protocol.SecureProtocolSocketFactory;

class WikiProtocolSocketFactory implements SecureProtocolSocketFactory
{
    private SSLContext m_aSSLContext;

    public WikiProtocolSocketFactory()
    {
        super();
    }

    public synchronized SSLContext GetNotSoSecureSSLContext()
    {
        if ( m_aSSLContext == null )
        {
            TrustManager[] pTrustUnknownCerts = new TrustManager[]
            {
                new X509TrustManager() {
                    private X509TrustManager m_aOrgTrustManager;

                    private X509TrustManager GetOrgTrustManager()
                    {
                        if ( m_aOrgTrustManager == null )
                        {
                            try
                            {
                                TrustManagerFactory aFactory = TrustManagerFactory.getInstance( TrustManagerFactory.getDefaultAlgorithm() );
                                aFactory.init( (KeyStore)null );
                                TrustManager[] pTrustmanagers = aFactory.getTrustManagers();
                                if ( pTrustmanagers.length != 0 && pTrustmanagers[0] != null )
                                    m_aOrgTrustManager = (X509TrustManager)pTrustmanagers[0];
                            }
                            catch( Exception e )
                            {
                                throw new RuntimeException( "No access to the default trust manager!" );
                            }
                        }

                        return m_aOrgTrustManager;
                    }

                    public X509Certificate[] getAcceptedIssuers()
                    {
                        return GetOrgTrustManager().getAcceptedIssuers();
                    }

                    public void checkClientTrusted(X509Certificate[] certs, String authType) throws CertificateException
                    {
                        GetOrgTrustManager().checkClientTrusted( certs, authType );
                    }

                    public void checkServerTrusted(X509Certificate[] certs, String authType) throws CertificateException
                    {
                        if ( certs == null || certs.length == 0 )
                            GetOrgTrustManager().checkServerTrusted( certs, authType );
                        else
                            for ( int nInd = 0; nInd < certs.length; nInd++ )
                                certs[nInd].checkValidity();
                    }
                }
            };

            try
            {
                SSLContext aContext = SSLContext.getInstance("SSL");
                if ( aContext != null )
                {
                    aContext.init( null, pTrustUnknownCerts, null );
                    m_aSSLContext = aContext;
                }
            }
            catch ( Exception e )
            {
            }
        }

        if ( m_aSSLContext == null )
            throw new HttpClientError();

        return m_aSSLContext;
    }

    public Socket createSocket( String sHost, int nPort, InetAddress clientHost, int clientPort )
        throws IOException, UnknownHostException
    {
        return GetNotSoSecureSSLContext().getSocketFactory().createSocket( sHost, nPort, clientHost, clientPort );
    }

    public Socket createSocket( final String sHost, final int nPort, final InetAddress aLocalAddress, final int nLocalPort, final HttpConnectionParams params )
        throws IOException, UnknownHostException, ConnectTimeoutException
    {
        if ( params == null )
            return createSocket( sHost, nPort, aLocalAddress, nLocalPort );

        int nTimeout = params.getConnectionTimeout();
        Socket aSocket = GetNotSoSecureSSLContext().getSocketFactory().createSocket();
        aSocket.bind( new InetSocketAddress( aLocalAddress, nLocalPort ) );
        aSocket.connect( new InetSocketAddress( sHost, nPort ), nTimeout );
        return aSocket;
    }

    public Socket createSocket( String sHost, int nPort )
        throws IOException, UnknownHostException
    {
        return GetNotSoSecureSSLContext().getSocketFactory().createSocket( sHost, nPort );
    }

    public Socket createSocket( Socket aSocket, String sHost, int nPort, boolean bAutoClose )
        throws IOException, UnknownHostException
    {
        return GetNotSoSecureSSLContext().getSocketFactory().createSocket( aSocket, sHost, nPort, bAutoClose );
    }

    public boolean equals(Object obj)
    {
        return ((obj != null) && obj.getClass().equals(WikiProtocolSocketFactory.class));
    }

    public int hashCode()
    {
        return WikiProtocolSocketFactory.class.hashCode();
    }
};