GetPKCS12.java

/*
 * GetPKCS12.java
 *
 * Created on 15. November 2006, 11:18
 * This File is part of PortableSigner (http://portablesigner.sf.net/)
 *  and is under the European Public License V1.1 (http://www.osor.eu/eupl)
 * (c) Peter Pfl�ging <peter@pflaeging.net>
 */

package net.pflaeging.PortableSigner;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.PrivateKey;
import java.security.UnrecoverableKeyException;
import java.security.cert.Certificate;
import java.security.cert.X509Certificate;
import java.security.cert.CertificateException;
import java.util.NoSuchElementException;
import java.util.Enumeration;

/**
 *
 * @author pfp
 */
public class GetPKCS12 {
    
    public static PrivateKey privateKey;
    
    public static Certificate[] certificateChain;
    public static String subject;
    public static java.math.BigInteger serial;
    public static java.util.Date notBefore, notAfter;
    public static String issuer;
    public static String atEgovOID;
    
    X509Certificate x509cert;
    
    /** Creates a new instance of GetPKCS12 */    
    public GetPKCS12(String pkcs12FileName,
            String pkcs12Password) throws KeyStoreException {
        KeyStore ks = null;
	FileInputStream fis = null;
        if (pkcs12Password == null) {
            pkcs12Password="";
        }
        try {
            ks = KeyStore.getInstance("pkcs12");
	    fis = new FileInputStream(pkcs12FileName);
            ks.load(fis, pkcs12Password
                    .toCharArray());
        } catch (NoSuchAlgorithmException e) {
            Main.setResult(
                    java.util.ResourceBundle.getBundle("net/pflaeging/PortableSigner/i18n").getString("ErrorReadingCertificateAlgorythm"),
                    true,
                    e.getLocalizedMessage());
        } catch (CertificateException e) {
            Main.setResult(
                    java.util.ResourceBundle.getBundle("net/pflaeging/PortableSigner/i18n").getString("ErrorReadingCertificate"),
                    true,
                    e.getLocalizedMessage());
        } catch (FileNotFoundException e) {
            Main.setResult(
                    java.util.ResourceBundle.getBundle("net/pflaeging/PortableSigner/i18n").getString("ErrorReadingCertificateNotAccessible"),
                    true,
                    e.getLocalizedMessage());
        } catch (IOException e) {
            Main.setResult(
                    java.util.ResourceBundle.getBundle("net/pflaeging/PortableSigner/i18n").getString("ErrorReadingCertificateIO"),
                    true,
                    e.getLocalizedMessage());
            } finally {
 		try {
 			if (fis != null) {
 				fis.close();
 			}
 		} catch (IOException e) {
 			// ignore or print a message
 	        }
        }

        if (ks != null) {
        String alias = "";
        try {
//      Maybe not only one cert in file! Thanks to Markus Feisst
            Enumeration aliases = ks.aliases();

            alias = (String) aliases.nextElement();

            while (aliases.hasMoreElements() && !ks.isKeyEntry(alias)) {
                alias = (String) aliases.nextElement();
            }

            privateKey = (PrivateKey) ks.getKey(alias, pkcs12Password.toCharArray());
        } catch (NoSuchElementException e) {
            Main.setResult(
                    java.util.ResourceBundle.getBundle("net/pflaeging/PortableSigner/i18n").getString("ErrorReadingCertificateNoKey"),
                    true,
                    e.getLocalizedMessage());
        } catch (NoSuchAlgorithmException e) {
            Main.setResult(
                    java.util.ResourceBundle.getBundle("net/pflaeging/PortableSigner/i18n").getString("ErrorReadingCertificateAlgorythm"),
                    true, e.getLocalizedMessage());
        } catch (UnrecoverableKeyException e) {
            Main.setResult(
                    java.util.ResourceBundle.getBundle("net/pflaeging/PortableSigner/i18n").getString("ErrorReadingCertificateAlgorythm"),
                    true,
                    e.getLocalizedMessage());
        }
        certificateChain = ks.getCertificateChain(alias);
        x509cert = (X509Certificate) ks.getCertificate(alias);
        subject = x509cert.getSubjectX500Principal().toString();
        serial = x509cert.getSerialNumber();
        notBefore = x509cert.getNotBefore();
        notAfter = x509cert.getNotAfter();
        issuer = x509cert.getIssuerX500Principal().toString();
        java.util.ResourceBundle oid = 
                java.util.ResourceBundle.getBundle("net/pflaeging/PortableSigner/SpecialOID");
        atEgovOID = "";
        
        for ( Enumeration<String> o = oid.getKeys(); o.hasMoreElements(); ) {
            String element = o.nextElement();
            // System.out.println(element + ":" + oid.getString(element));
            java.util.Collection<String> bCert =x509cert.getNonCriticalExtensionOIDs();
            if (bCert != null){
                if (bCert.contains(element)) {
                    if (!atEgovOID.equals("")) { atEgovOID += ", "; }
                    atEgovOID += oid.getString(element) + " (OID=" + element + ")";
                }
            }
        }
        } 
        
    }
    
    
}