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package com.openexchange.tools.ssl;

import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * This ssl socket factory creates a ssl context that trusts all certificates and uses then this context to create a ssl socket factory that
 * will trust all certificates.
 * 
 * @author <a href="mailto:marcus@open-xchange.org">Marcus Klein</a>
 */
public class TrustAllSSLSocketFactory extends SSLSocketFactory {

    private static final Log LOG = LogFactory.getLog(TrustAllSSLSocketFactory.class);

    /**
     * This factory will trust all certificates.
     */
    private SSLSocketFactory factory;

    /**
     * This constructor creates a ssl context with the TrustAllManager and uses the ssl socket factory from this ssl context.
     */
    protected TrustAllSSLSocketFactory() {
        super();
        try {
            final SSLContext context = SSLContext.getInstance("TLS");
            context.init(null, new TrustManager[] { new TrustAllManager() }, new SecureRandom());
            factory = context.getSocketFactory();
        } catch (final NoSuchAlgorithmException e) {
            LOG.error(e.getMessage(), e);
        } catch (final KeyManagementException e) {
            LOG.error(e.getMessage(), e);
        }
    }

    public static synchronized SSLSocketFactory getDefault() {
        return new TrustAllSSLSocketFactory();
    }

    @Override
    public String[] getDefaultCipherSuites() {
        return factory.getDefaultCipherSuites();
    }

    @Override
    public String[] getSupportedCipherSuites() {
        return factory.getSupportedCipherSuites();
    }

    @Override
    public Socket createSocket() throws IOException {
        return factory.createSocket();
    }

    @Override
    public Socket createSocket(final Socket s, final String host, final int port, final boolean autoClose) throws IOException {
        return factory.createSocket(s, host, port, autoClose);
    }

    @Override
    public Socket createSocket(final String host, final int port) throws IOException, UnknownHostException {
        return factory.createSocket(host, port);
    }

    @Override
    public Socket createSocket(final String host, final int port, final InetAddress localAddress, final int localPort) throws IOException, UnknownHostException {
        return factory.createSocket(host, port, localAddress, localPort);
    }

    @Override
    public Socket createSocket(final InetAddress host, final int port) throws IOException {
        return factory.createSocket(host, port);
    }

    @Override
    public Socket createSocket(final InetAddress address, final int port, final InetAddress localAddress, final int localPort) throws IOException {
        return factory.createSocket(address, port, localAddress, localPort);
    }
}
