MinecraftHacker

package minecrafthacker;

import java.io.FilterInputStream;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketAddress;
import java.net.SocketException;
import java.net.SocketImpl;
import java.net.UnknownHostException;
import java.nio.channels.SocketChannel;
import java.util.concurrent.atomic.AtomicInteger;
import javax.net.ssl.HandshakeCompletedListener;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLParameters;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
import net.minecraft.bootstrap.Bootstrap;

/**
 * This class exposes any information the Minecraft Bootstrapper says to https://authserver.mojang.net/ 
   without breaking the certificate.
 * This should be only used for debugging purposes.
 * I know that this class is unstructured and messy, but *its only for debugging purposes* 
 * @author Fernando
 */
public class MinecraftHacker {

    public static void main(String[] args) throws IOException {
        HttpsURLConnection.setDefaultSSLSocketFactory(new SSLSocketFactoryImpl());
        Bootstrap.main(new String[]{});
    }

    private static class SSLSocketFactoryImpl extends SSLSocketFactory {

        SSLSocketFactory ssl = HttpsURLConnection.getDefaultSSLSocketFactory();

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

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

        @Override
        public Socket createSocket(Socket socket, String string, int i, boolean bln) throws IOException {
            return ssl.createSocket(socket, string, i, bln);
        }

        @Override
        public Socket createSocket(Socket socket, InputStream in, boolean bln) throws IOException {
            return ssl.createSocket(socket, in, bln);
        }

        @Override
        public Socket createSocket() throws IOException {

            Socket s = new SSLSocketImpl();
            return s;
        }

        @Override
        public Socket createSocket(String string, int i) throws IOException, UnknownHostException {
            return ssl.createSocket(string, i);
        }

        @Override
        public Socket createSocket(String string, int i, InetAddress ia, int i1) throws IOException, UnknownHostException {
            return ssl.createSocket(string, i, ia, i1);
        }

        @Override
        public Socket createSocket(InetAddress ia, int i) throws IOException {
            return ssl.createSocket(ia, i);
        }

        @Override
        public Socket createSocket(InetAddress ia, int i, InetAddress ia1, int i1) throws IOException {
            return ssl.createSocket(ia, i, ia1, i1);
        }

        static class CustomSocketImpl extends SocketImpl {

            private final Socket parent;
            private boolean readFromSocket = false;
            private static final AtomicInteger reference = new AtomicInteger();
            private final int id = reference.getAndIncrement();

            private CustomSocketImpl(Socket parent) {
                this.parent = parent;
            }

            @Override
            protected void create(boolean stream) throws IOException {
                //System.err.println("[" + id + "] " + "create; stream=" + stream);
            }

            @Override
            protected void connect(String host, int port) throws IOException {
                this.connect(InetAddress.getByName(host), port);
            }

            @Override
            protected void connect(InetAddress address, int port) throws IOException {
                this.connect(new InetSocketAddress(address, port), 0);
            }

            @Override
            protected void connect(SocketAddress address, int timeout) throws IOException {
                parent.connect(address, timeout);
                //System.err.println("Connect: " + ((InetSocketAddress) address).getAddress().getHostName());
                if (((InetSocketAddress) address).getAddress().getHostName().equals("authserver.mojang.com")) {
                    this.readFromSocket = true;
                    System.err.println("Reading from connection!");
                }
            }

            @Override
            protected void bind(InetAddress host, int port) throws IOException {
                parent.bind(new InetSocketAddress(address, port));
            }

            @Override
            protected void listen(int backlog) throws IOException {
                throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
            }

            @Override
            protected void accept(SocketImpl s) throws IOException {
                throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
            }

            @Override
            protected InputStream getInputStream() throws IOException {
                if (this.readFromSocket) {
                    return new FilterInputStream(parent.getInputStream()) {

                        @Override
                        public int read(byte[] b, int off, int len) throws IOException {
                            int l = super.read(b, off, len);
                            String total = new String(b, off, l);
                            for (String s : total.split("\n")) {
                                System.err.println("[" + id + "] [read] " + s);
                            }
                            return l;
                        }
                    };
                }
                return parent.getInputStream();
            }

            @Override
            protected OutputStream getOutputStream() throws IOException {
                if (this.readFromSocket) {
                    return new FilterOutputStream(parent.getOutputStream()) {

                        @Override
                        public void write(byte[] b, int off, int len) throws IOException {
                            super.write(b, off, len);
                            String total = new String(b, off, len);
                            for (String s : total.split("\n")) {
                                System.err.println("[" + id + "] [write] " + s);
                            }
                        }

                    };
                }
                return parent.getOutputStream();
            }

            @Override
            protected int available() throws IOException {
                return parent.getInputStream().available();
            }

            @Override
            protected void close() throws IOException {
                parent.close();
            }

            @Override
            protected void sendUrgentData(int data) throws IOException {
                parent.sendUrgentData(data);
            }

            @Override
            public void setOption(int optID, Object value) throws SocketException {
                //System.err.println("Set option: " + optID + " to " + value);
            }

            @Override
            public Object getOption(int optID) throws SocketException {
                throw new UnsupportedOperationException("Not supported yet.");
            }
        }

        private class SSLSocketImpl extends SSLSocket {

            public SSLSocketImpl() throws IOException {
                parent = (SSLSocket) ssl.createSocket();
                impl = new CustomSocketImpl(parent);
                base = new Socket(impl) {
                };
            }
            private final SSLSocket parent;
            private final SocketImpl impl;
            private final Socket base;

            @Override
            public void connect(SocketAddress endpoint) throws IOException {
                base.connect(endpoint);
            }

            @Override
            public void connect(SocketAddress endpoint, int timeout) throws IOException {
                base.connect(endpoint, timeout);
            }

            @Override
            public void bind(SocketAddress bindpoint) throws IOException {
                base.bind(bindpoint);
            }

            @Override
            public InetAddress getInetAddress() {
                return base.getInetAddress();
            }

            @Override
            public InetAddress getLocalAddress() {
                return base.getLocalAddress();
            }

            @Override
            public int getPort() {
                return base.getPort();
            }

            @Override
            public int getLocalPort() {
                return base.getLocalPort();
            }

            @Override
            public SocketAddress getRemoteSocketAddress() {
                return base.getRemoteSocketAddress();
            }

            @Override
            public SocketAddress getLocalSocketAddress() {
                return base.getLocalSocketAddress();
            }

            @Override
            public SocketChannel getChannel() {
                return base.getChannel();
            }

            @Override
            public InputStream getInputStream() throws IOException {
                return base.getInputStream();
            }

            @Override
            public OutputStream getOutputStream() throws IOException {
                return base.getOutputStream();
            }

            @Override
            public void setTcpNoDelay(boolean on) throws SocketException {
                base.setTcpNoDelay(on);
            }

            @Override
            public boolean getTcpNoDelay() throws SocketException {
                return base.getTcpNoDelay();
            }

            @Override
            public void setSoLinger(boolean on, int linger) throws SocketException {
                base.setSoLinger(on, linger);
            }

            @Override
            public int getSoLinger() throws SocketException {
                return base.getSoLinger();
            }

            @Override
            public void sendUrgentData(int data) throws IOException {
                base.sendUrgentData(data);
            }

            @Override
            public void setOOBInline(boolean on) throws SocketException {
                base.setOOBInline(on);
            }

            @Override
            public boolean getOOBInline() throws SocketException {
                return base.getOOBInline();
            }

            @Override
            public synchronized void setSoTimeout(int timeout) throws SocketException {
                base.setSoTimeout(timeout);
            }

            @Override
            public synchronized int getSoTimeout() throws SocketException {
                return base.getSoTimeout();
            }

            @Override
            public synchronized void setSendBufferSize(int size) throws SocketException {
                base.setSendBufferSize(size);
            }

            @Override
            public synchronized int getSendBufferSize() throws SocketException {
                return base.getSendBufferSize();
            }

            @Override
            public synchronized void setReceiveBufferSize(int size) throws SocketException {
                base.setReceiveBufferSize(size);
            }

            @Override
            public synchronized int getReceiveBufferSize() throws SocketException {
                return base.getReceiveBufferSize();
            }

            @Override
            public void setKeepAlive(boolean on) throws SocketException {
                base.setKeepAlive(on);
            }

            @Override
            public boolean getKeepAlive() throws SocketException {
                return base.getKeepAlive();
            }

            @Override
            public void setTrafficClass(int tc) throws SocketException {
                base.setTrafficClass(tc);
            }

            @Override
            public int getTrafficClass() throws SocketException {
                return base.getTrafficClass();
            }

            @Override
            public void setReuseAddress(boolean on) throws SocketException {
                base.setReuseAddress(on);
            }

            @Override
            public boolean getReuseAddress() throws SocketException {
                return base.getReuseAddress();
            }

            @Override
            public synchronized void close() throws IOException {
                base.close();
            }

            @Override
            public void shutdownInput() throws IOException {
                base.shutdownInput();
            }

            @Override
            public void shutdownOutput() throws IOException {
                base.shutdownOutput();
            }

            @Override
            public String toString() {
                return base.toString();
            }

            @Override
            public boolean isConnected() {
                return base.isConnected();
            }

            @Override
            public boolean isBound() {
                return base.isBound();
            }

            @Override
            public boolean isClosed() {
                return base.isClosed();
            }

            @Override
            public boolean isInputShutdown() {
                return base.isInputShutdown();
            }

            @Override
            public boolean isOutputShutdown() {
                return base.isOutputShutdown();
            }

            @Override
            public void setPerformancePreferences(int connectionTime, int latency, int bandwidth) {
                base.setPerformancePreferences(connectionTime, latency, bandwidth);
            }

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

            @Override
            public String[] getEnabledCipherSuites() {
                return parent.getEnabledCipherSuites();
            }

            @Override
            public void setEnabledCipherSuites(String[] strings) {
                parent.setEnabledCipherSuites(strings);
            }

            @Override
            public String[] getSupportedProtocols() {
                return parent.getSupportedProtocols();
            }

            @Override
            public String[] getEnabledProtocols() {
                return parent.getEnabledProtocols();
            }

            @Override
            public void setEnabledProtocols(String[] strings) {
                parent.setEnabledProtocols(strings);
            }

            @Override
            public SSLSession getSession() {
                return parent.getSession();
            }

            @Override
            public SSLSession getHandshakeSession() {
                return parent.getHandshakeSession();
            }

            @Override
            public void addHandshakeCompletedListener(HandshakeCompletedListener hl) {
                parent.addHandshakeCompletedListener(hl);
            }

            @Override
            public void removeHandshakeCompletedListener(HandshakeCompletedListener hl) {
                parent.removeHandshakeCompletedListener(hl);
            }

            @Override
            public void startHandshake() throws IOException {
                parent.startHandshake();
            }

            @Override
            public void setUseClientMode(boolean bln) {
                parent.setUseClientMode(bln);
            }

            @Override
            public boolean getUseClientMode() {
                return parent.getUseClientMode();
            }

            @Override
            public void setNeedClientAuth(boolean bln) {
                parent.setNeedClientAuth(bln);
            }

            @Override
            public boolean getNeedClientAuth() {
                return parent.getNeedClientAuth();
            }

            @Override
            public void setWantClientAuth(boolean bln) {
                parent.setWantClientAuth(bln);
            }

            @Override
            public boolean getWantClientAuth() {
                return parent.getWantClientAuth();
            }

            @Override
            public void setEnableSessionCreation(boolean bln) {
                parent.setEnableSessionCreation(bln);
            }

            @Override
            public boolean getEnableSessionCreation() {
                return parent.getEnableSessionCreation();
            }

            @Override
            public SSLParameters getSSLParameters() {
                return parent.getSSLParameters();
            }

            @Override
            public void setSSLParameters(SSLParameters sslp) {
                parent.setSSLParameters(sslp);
            }
        }
    }
}