ssltest.java

package com.jtdowney;

import javax.net.ServerSocketFactory;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManagerFactory;
import java.io.*;
import java.net.ServerSocket;
import java.net.Socket;
import java.security.KeyStore;
import java.security.SecureRandom;

public class Main {

    public static void main(String[] args) {
        try {
            char[] password = "testing".toCharArray();

            KeyStore keyStore = KeyStore.getInstance("JKS");
            InputStream inputStream = new FileInputStream("test.keystore");
            keyStore.load(inputStream, password);

            KeyManagerFactory keyManagerFactory = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
            keyManagerFactory.init(keyStore, password);

            TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
            trustManagerFactory.init(keyStore);

            SSLContext context = SSLContext.getInstance("TLS");
            context.init(keyManagerFactory.getKeyManagers(), trustManagerFactory.getTrustManagers(), new SecureRandom());

            ServerSocketFactory serverSocketFactory = context.getServerSocketFactory();
            ServerSocket serverSocket = serverSocketFactory.createServerSocket(8443);

            Socket clientSocket = serverSocket.accept();
            InputStream clientInputStream = clientSocket.getInputStream();
            InputStreamReader clientInputStreamReader = new InputStreamReader(clientInputStream);
            BufferedReader clientReader = new BufferedReader(clientInputStreamReader);
            while (true) {
                String line = clientReader.readLine();
                System.out.println(line);
                if (line.isEmpty()) {
                    break;
                }
            }

            OutputStream clientOutputStream = clientSocket.getOutputStream();
            clientOutputStream.write("HTTP/1.1 200 OK\r\n".getBytes());
            clientOutputStream.write("Content-Length: 4\r\n".getBytes());
            clientOutputStream.write("Connection: close\r\n".getBytes());
            clientOutputStream.write("\r\n".getBytes());
            clientOutputStream.write("test".getBytes());
            clientOutputStream.flush();

            clientSocket.close();
            serverSocket.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}