InstallCert and Java 7

packageorg.vangen.auth;
 
importjava.io.BufferedReader;
importjava.io.File;
importjava.io.FileInputStream;
importjava.io.FileOutputStream;
importjava.io.InputStream;
importjava.io.InputStreamReader;
importjava.io.OutputStream;
importjava.security.KeyStore;
importjava.security.MessageDigest;
importjava.security.cert.CertificateException;
importjava.security.cert.X509Certificate;
 
importjavax.net.ssl.SSLContext;
importjavax.net.ssl.SSLException;
importjavax.net.ssl.SSLSocket;
importjavax.net.ssl.SSLSocketFactory;
importjavax.net.ssl.TrustManager;
importjavax.net.ssl.TrustManagerFactory;
importjavax.net.ssl.X509TrustManager;
 
publicclassInstallCert {
 
    publicstaticvoidmain(finalString[] args)throwsException {
        String host;
        intport;
        char[] passphrase;
        if((args.length ==1) || (args.length ==2)) {
            finalString[] c = args[0].split(":");
            host = c[0];
            port = (c.length ==1) ?443: Integer.parseInt(c[1]);
            finalString p = (args.length ==1) ?"changeit": args[1];
            passphrase = p.toCharArray();
        }else{
            System.out.println(
                    "Usage: java InstallCert <host>[:port] [passphrase]");
            return;
        }
 
        File file =newFile("jssecacerts");
        if(file.isFile() ==false) {
            finalcharSEP = File.separatorChar;
            finalFile dir =newFile(System.getProperty("java.home")
                    + SEP +"lib"+ SEP +"security");
            file =newFile(dir,"jssecacerts");
            if(file.isFile() ==false) {
                file =newFile(dir,"cacerts");
            }
        }
 
        System.out.println("Loading KeyStore "+ file +"...");
        finalInputStream in =newFileInputStream(file);
        finalKeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());
        ks.load(in, passphrase);
        in.close();
 
        finalSSLContext context = SSLContext.getInstance("TLS");
        finalTrustManagerFactory tmf =
                TrustManagerFactory.getInstance(TrustManagerFactory
                        .getDefaultAlgorithm());
        tmf.init(ks);
        finalX509TrustManager defaultTrustManager =
                (X509TrustManager) tmf.getTrustManagers()[0];
        finalSavingTrustManager tm =newSavingTrustManager(
                defaultTrustManager);
        context.init(null,newTrustManager[] { tm },null);
        finalSSLSocketFactory factory = context.getSocketFactory();
 
        System.out.println("Opening connection to "
                + host +":"+ port +"...");
        finalSSLSocket 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(finalSSLException e) {
            System.out.println();
            e.printStackTrace(System.out);
        }
 
        finalX509Certificate[] chain = tm.chain;
        if(chain ==null) {
            System.out.println("Could not obtain server certificate chain");
            return;
        }
 
        finalBufferedReader reader =
                newBufferedReader(newInputStreamReader(System.in));
 
        System.out.println();
        System.out.println("Server sent "+ chain.length +" certificate(s):");
        System.out.println();
        finalMessageDigest sha1 = MessageDigest.getInstance("SHA1");
        finalMessageDigest md5 = MessageDigest.getInstance("MD5");
        for(inti =0; i < chain.length; i++) {
            finalX509Certificate 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]");
        finalString line = reader.readLine().trim();
        intk;
        try{
            k = (line.length() ==0) ?0: Integer.parseInt(line) -1;
        }catch(finalNumberFormatException e) {
            System.out.println("KeyStore not changed");
            return;
        }
 
        finalX509Certificate cert = chain[k];
        finalString alias = host +"-"+ (k +1);
        ks.setCertificateEntry(alias, cert);
 
        finalOutputStream out =newFileOutputStream(file);
        ks.store(out, passphrase);
        out.close();
 
        System.out.println();
        System.out.println(cert);
        System.out.println();
        System.out.println(
                "Added certificate to keystore ‘cacerts‘ using alias ‘"
                        + alias +"‘");
    }
 
    privatestaticfinalchar[] HEXDIGITS ="0123456789abcdef".toCharArray();
 
    privatestaticString toHexString(finalbyte[] bytes) {
        finalStringBuilder sb =newStringBuilder(bytes.length *3);
        for(intb : bytes) {
            b &=0xff;
            sb.append(HEXDIGITS[b >>4]);
            sb.append(HEXDIGITS[b &15]);
            sb.append(‘ ‘);
        }
        returnsb.toString();
    }
 
    privatestaticclassSavingTrustManagerimplementsX509TrustManager {
 
        privatefinalX509TrustManager tm;
        privateX509Certificate[] chain;
 
        SavingTrustManager(finalX509TrustManager tm) {
            this.tm = tm;
        }
 
        @Override
        publicX509Certificate[] getAcceptedIssuers() {
            returnnewX509Certificate[0];
            // throw new UnsupportedOperationException();
        }
 
        @Override
        publicvoidcheckClientTrusted(finalX509Certificate[] chain,
                finalString authType)
                throwsCertificateException {
            thrownewUnsupportedOperationException();
        }
 
        @Override
        publicvoidcheckServerTrusted(finalX509Certificate[] chain,
                finalString authType)
                throwsCertificateException {
            this.chain = chain;
            this.tm.checkServerTrusted(chain, authType);
        }
    }
}

以下是原版for JDK5 and JDK6的,从google code搜索而来

package com.aw.ad.util;
/*
 * 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
 * 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.
 */
/**
 * http://blogs.sun.com/andreas/resource/InstallCert.java
 * Use:
 * java InstallCert hostname
 * Example:
 *% java InstallCert ecc.fedora.redhat.com
 */

import javax.net.ssl.*;
import java.io.*;
import java.security.KeyStore;
import java.security.MessageDigest;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

/**
 * Class used to add the server‘s certificate to the KeyStore
 * with your trusted certificates.
 */
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();

        System.out.println("Opening connection to " + host + ":" + port + "...");
        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) {
            System.out.println();
            e.printStackTrace(System.out);
        }

        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);
        }
    }

}