InstallCert.java

/*
 * Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
*   - Neither the name of Sun Microsystems nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 *  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

 package connQak;

import java.io.*;
import java.net.URL;
import java.security.*;
import java.security.cert.*;

import javax.net.ssl.*;

//Usage: java InstallCert <host>[:port] [passphrase]

public class InstallCert {
	public static void main(String[] args) throws Exception {
	    String host;
	    int port;
	    char[] passphrase;
	    if ((args.length == 1) || (args.length == 2)) {
	        String[] c = args[0].split(":");
	        host = c[0];
	        port = (c.length == 1) ? 443 : Integer.parseInt(c[1]);
	        String p = (args.length == 1) ? "changeit" : args[1];
	        passphrase = p.toCharArray();
	    } else {
	        System.out.println("Usage: java InstallCert <host>[:port] [passphrase]");
	        return;
	    }

	    File file = new File("jssecacerts");
	    if (file.isFile() == false) {
	        char SEP = File.separatorChar;
	        File dir = new File(System.getProperty("java.home") + SEP + "lib" + SEP + "security");
	        file = new File(dir, "jssecacerts");
	        if (file.isFile() == false) {
	        file = new File(dir, "cacerts");
	        }
	    }
	    System.out.println("Loading KeyStore " + file + "...");
	    InputStream in = new FileInputStream(file);
	    KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());
	    ks.load(in, passphrase);
	    in.close();

	    SSLContext context = SSLContext.getInstance("TLS");
	    TrustManagerFactory tmf =
	        TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
	    tmf.init(ks);
	    X509TrustManager defaultTrustManager = (X509TrustManager)tmf.getTrustManagers()[0];
	    SavingTrustManager tm = new SavingTrustManager(defaultTrustManager);
	    context.init(null, new TrustManager[] {tm}, null);
	    SSLSocketFactory factory = context.getSocketFactory();

 	    String url = host + ":" + port + "/#api/users/_login?username=admin&password=nat25650";
//	    String url = host + ":" + port ;
	    System.out.println("Opening connection to " + url);
	    SSLSocket socket = (SSLSocket)factory.createSocket(host, port);
	    socket.setSoTimeout(10000);
	    try {
	        System.out.println("Starting SSL handshake...");
	        socket.startHandshake();
	        socket.close();
	        System.out.println();
	        System.out.println("No errors, certificate is already trusted");
	    } catch (SSLException e) {
	        e.printStackTrace(System.out);
	        System.out.println("ERROR:"+e.getMessage());
	        System.out.println("--------------------------------------------------------------");
	    }

	    X509Certificate[] chain = tm.chain;
	    if (chain == null) {
	        System.out.println("Could not obtain server certificate chain");
	        return;
	    }

	    BufferedReader reader =
	        new BufferedReader(new InputStreamReader(System.in));

	    System.out.println();
	    System.out.println("Server sent " + chain.length + " certificate(s):");
	    System.out.println();
	    MessageDigest sha1 = MessageDigest.getInstance("SHA1");
	    MessageDigest md5 = MessageDigest.getInstance("MD5");
	    for (int i = 0; i < chain.length; i++) {
	        X509Certificate cert = chain[i];
	        System.out.println
	            (" " + (i + 1) + " Subject " + cert.getSubjectDN());
	        System.out.println("   Issuer  " + cert.getIssuerDN());
	        sha1.update(cert.getEncoded());
	        System.out.println("   sha1    " + toHexString(sha1.digest()));
	        md5.update(cert.getEncoded());
	        System.out.println("   md5     " + toHexString(md5.digest()));
	        System.out.println();
	    }

	    System.out.println("Enter certificate to add to trusted keystore or 'q' to quit: [1]");
	    String line = reader.readLine().trim();
	    int k;
	    try {
	        k = (line.length() == 0) ? 0 : Integer.parseInt(line) - 1;
	    } catch (NumberFormatException e) {
	        System.out.println("KeyStore not changed");
	        return;
	    }

	    X509Certificate cert = chain[k];
	    String alias = host + "-" + (k + 1);
	    ks.setCertificateEntry(alias, cert);

	    OutputStream out = new FileOutputStream("jssecacerts");
	    ks.store(out, passphrase);
	    out.close();

	    System.out.println();
	    System.out.println(cert);
	    System.out.println();
	    System.out.println
	        ("Added certificate to keystore 'jssecacerts' using alias '"
	        + alias + "'");
	    }

	    private static final char[] HEXDIGITS = "0123456789abcdef".toCharArray();

	    private static String toHexString(byte[] bytes) {
	        StringBuilder sb = new StringBuilder(bytes.length * 3);
	        for (int b : bytes) {
	            b &= 0xff;
	            sb.append(HEXDIGITS[b >> 4]);
	            sb.append(HEXDIGITS[b & 15]);
	            sb.append(' ');
	        }
	        return sb.toString();
	    }

	    private static class SavingTrustManager implements X509TrustManager {

	    private final X509TrustManager tm;
	    private X509Certificate[] chain;

	    SavingTrustManager(X509TrustManager tm) {
	        this.tm = tm;
	    }

	    public X509Certificate[] getAcceptedIssuers() {
	        throw new UnsupportedOperationException();
	    }

	    public void checkClientTrusted(X509Certificate[] chain, String authType)
	        throws CertificateException {
	        throw new UnsupportedOperationException();
	    }

	    public void checkServerTrusted(X509Certificate[] chain, String authType)
	        throws CertificateException {
	        this.chain = chain;
	        tm.checkServerTrusted(chain, authType);
	    }
	    }

	
}