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com.global.api.gateways.SSLSocketFactoryEx Maven / Gradle / Ivy

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package com.global.api.gateways;

import javax.net.ssl.*;
import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class SSLSocketFactoryEx extends SSLSocketFactory
{
    public SSLSocketFactoryEx() throws NoSuchAlgorithmException, KeyManagementException
    {
        initSSLSocketFactoryEx(null,null,null);
    }

    public SSLSocketFactoryEx(KeyManager[] km, TrustManager[] tm, SecureRandom random) throws NoSuchAlgorithmException, KeyManagementException
    {
        initSSLSocketFactoryEx(km, tm, random);
    }

    public SSLSocketFactoryEx(SSLContext ctx) throws NoSuchAlgorithmException, KeyManagementException
    {
        initSSLSocketFactoryEx(ctx);
    }

    public String[] getDefaultCipherSuites()
    {
        return m_ciphers;
    }

    public String[] getSupportedCipherSuites()
    {
        return m_ciphers;
    }

    public String[] getDefaultProtocols()
    {
        return m_protocols;
    }

    public String[] getSupportedProtocols()
    {
        return m_protocols;
    }

    public Socket createSocket(Socket s, String host, int port, boolean autoClose) throws IOException
    {
        SSLSocketFactory factory = m_ctx.getSocketFactory();
        SSLSocket ss = (SSLSocket)factory.createSocket(s, host, port, autoClose);

        ss.setEnabledProtocols(m_protocols);
        ss.setEnabledCipherSuites(m_ciphers);

        return ss;
    }

    public Socket createSocket(InetAddress address, int port, InetAddress localAddress, int localPort) throws IOException
    {
        SSLSocketFactory factory = m_ctx.getSocketFactory();
        SSLSocket ss = (SSLSocket)factory.createSocket(address, port, localAddress, localPort);

        ss.setEnabledProtocols(m_protocols);
        ss.setEnabledCipherSuites(m_ciphers);

        return ss;
    }

    public Socket createSocket(String host, int port, InetAddress localHost, int localPort) throws IOException
    {
        SSLSocketFactory factory = m_ctx.getSocketFactory();
        SSLSocket ss = (SSLSocket)factory.createSocket(host, port, localHost, localPort);

        ss.setEnabledProtocols(m_protocols);
        ss.setEnabledCipherSuites(m_ciphers);

        return ss;
    }

    public Socket createSocket(InetAddress host, int port) throws IOException
    {
        SSLSocketFactory factory = m_ctx.getSocketFactory();
        SSLSocket ss = (SSLSocket)factory.createSocket(host, port);

        ss.setEnabledProtocols(m_protocols);
        ss.setEnabledCipherSuites(m_ciphers);

        return ss;
    }

    public Socket createSocket(String host, int port) throws IOException
    {
        SSLSocketFactory factory = m_ctx.getSocketFactory();
        SSLSocket ss = (SSLSocket)factory.createSocket(host, port);

        ss.setEnabledProtocols(m_protocols);
        ss.setEnabledCipherSuites(m_ciphers);

        return ss;
    }

    public Socket createSocket() throws IOException {
        SSLSocketFactory factory = m_ctx.getSocketFactory();
        SSLSocket ss = (SSLSocket)factory.createSocket();

        ss.setEnabledProtocols(m_protocols);
        ss.setEnabledCipherSuites(m_ciphers);

        return ss;
    }

    private void initSSLSocketFactoryEx(KeyManager[] km, TrustManager[] tm, SecureRandom random)
            throws NoSuchAlgorithmException, KeyManagementException
    {
        m_ctx = SSLContext.getInstance("TLSv1.2");
        m_ctx.init(km, tm, random);

        m_protocols = GetProtocolList();
        m_ciphers = GetCipherList();
    }

    private void initSSLSocketFactoryEx(SSLContext ctx)
            throws NoSuchAlgorithmException, KeyManagementException
    {
        m_ctx = ctx;

        m_protocols = GetProtocolList();
        m_ciphers = GetCipherList();
    }

    protected String[] GetProtocolList()
    {
        String[] preferredProtocols = { "TLSv1", "TLSv1.1", "TLSv1.2", "TLSv1.3" };
        String[] availableProtocols = null;

        SSLSocket socket = null;

        try
        {
            SSLSocketFactory factory = m_ctx.getSocketFactory();
            socket = (SSLSocket)factory.createSocket();

            availableProtocols = socket.getSupportedProtocols();
            Arrays.sort(availableProtocols);
        }
        catch(Exception e)
        {
            return new String[]{ "TLSv1" };
        }
        finally
        {
            if(socket != null) {
                try {
                    socket.close();
                }
                catch(IOException e) {

                }
            }
        }

        List aa = new ArrayList();
        for(int i = 0; i < preferredProtocols.length; i++)
        {
            int idx = Arrays.binarySearch(availableProtocols, preferredProtocols[i]);
            if(idx >= 0)
                aa.add(preferredProtocols[i]);
        }

        return aa.toArray(new String[0]);
    }

    protected String[] GetCipherList()
    {
        String[] preferredCiphers = {

                // *_CHACHA20_POLY1305 are 3x to 4x faster than existing cipher suites.
                //   http://googleonlinesecurity.blogspot.com/2014/04/speeding-up-and-strengthening-https.html
                // Use them if available. Normative names can be found at (TLS spec depends on IPSec spec):
                //   http://tools.ietf.org/html/draft-nir-ipsecme-chacha20-poly1305-01
                //   http://tools.ietf.org/html/draft-mavrogiannopoulos-chacha-tls-02
                "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305",
                "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305",
                "TLS_ECDHE_ECDSA_WITH_CHACHA20_SHA",
                "TLS_ECDHE_RSA_WITH_CHACHA20_SHA",

                "TLS_DHE_RSA_WITH_CHACHA20_POLY1305",
                "TLS_RSA_WITH_CHACHA20_POLY1305",
                "TLS_DHE_RSA_WITH_CHACHA20_SHA",
                "TLS_RSA_WITH_CHACHA20_SHA",

                // Done with bleeding edge, back to TLS v1.2 and below
                "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384",
                "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384",
                "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256",
                "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256",

                "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384",
                "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384",
                "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256",
                "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256",

                // TLS v1.0 (with some SSLv3 interop)
                "TLS_DHE_RSA_WITH_AES_256_CBC_SHA384",
                "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256",
                "TLS_DHE_RSA_WITH_AES_128_CBC_SHA",
                "TLS_DHE_DSS_WITH_AES_128_CBC_SHA",

                "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA",
                "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA",
                "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA",
                "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA",

                // RSA key transport sucks, but they are needed as a fallback.
                // For example, microsoft.com fails under all versions of TLS
                // if they are not included. If only TLS 1.0 is available at
                // the client, then google.com will fail too. TLS v1.3 is
                // trying to deprecate them, so it will be interesteng to see
                // what happens.
                "TLS_RSA_WITH_AES_256_CBC_SHA256",
                "TLS_RSA_WITH_AES_256_CBC_SHA",
                "TLS_RSA_WITH_AES_128_CBC_SHA256",
                "TLS_RSA_WITH_AES_128_CBC_SHA"
        };

        String[] availableCiphers = null;

        try
        {
            SSLSocketFactory factory = m_ctx.getSocketFactory();
            availableCiphers = factory.getSupportedCipherSuites();
            Arrays.sort(availableCiphers);
        }
        catch(Exception e)
        {
            return new String[] {
                    "TLS_DHE_DSS_WITH_AES_128_CBC_SHA",
                    "TLS_DHE_DSS_WITH_AES_256_CBC_SHA",
                    "TLS_DHE_RSA_WITH_AES_128_CBC_SHA",
                    "TLS_DHE_RSA_WITH_AES_256_CBC_SHA",
                    "TLS_RSA_WITH_AES_256_CBC_SHA256",
                    "TLS_RSA_WITH_AES_256_CBC_SHA",
                    "TLS_RSA_WITH_AES_128_CBC_SHA256",
                    "TLS_RSA_WITH_AES_128_CBC_SHA",
                    "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"
            };
        }

        List aa = new ArrayList();
        for(int i = 0; i < preferredCiphers.length; i++)
        {
            int idx = Arrays.binarySearch(availableCiphers, preferredCiphers[i]);
            if(idx >= 0)
                aa.add(preferredCiphers[i]);
        }

        aa.add("TLS_EMPTY_RENEGOTIATION_INFO_SCSV");

        return aa.toArray(new String[0]);
    }

    private SSLContext m_ctx;

    private String[] m_ciphers;
    private String[] m_protocols;
}




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