com.idevity.card.read.ShowCHUID.java Source code

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Here is the source code for com.idevity.card.read.ShowCHUID.java

Source

package com.idevity.card.read;

import java.security.SignatureException;
import java.security.cert.CertificateExpiredException;
import java.security.cert.CertificateNotYetValidException;
import java.security.cert.X509Certificate;

import org.keysupport.nist80073.cardedge.PIVDataTempl;
import org.keysupport.nist80073.datamodel.CMSSignedDataObject;
import org.keysupport.nist80073.datamodel.PIVCardHolderUniqueID;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import com.idevity.card.data.CardData80073;

/******************************************************************************
 * The following code belongs to IDevity and is provided though commercial
 * license or by acceptance of an NDA only.
 * 
 * $Id: ShowCHUID.java 286 2013-12-16 23:58:14Z tejohnson $
 * 
 * @author Matthew Ambs (matt@idevity.com)
 * @author Eugene Yu (eugene@idevity.com)
 * @author Todd E. Johnson (todd@idevity.com)
 * @author LaChelle Levan (lachelle@idevity.com)
 * 
 * @version $Revision: 286 $
 * 
 *          Changed: $LastChangedDate: 2013-07-18 15:42:18 -0400 (Thu, 18 Jul
 *          2013) $
 *****************************************************************************/
public class ShowCHUID extends Fragment {

    private static final String TAG = ShowCHUID.class.getSimpleName();
    private static final boolean debug = true;

    /**
     * Method onCreateView.
     * 
     * @param inflater
     *            LayoutInflater
     * @param container
     *            ViewGroup
     * @param savedInstanceState
     *            Bundle
     * @return View
     */
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

        Globals g = Globals.getInstance();
        String issuer = new String();
        String subject = new String();
        String validfrom = new String();
        String validto = new String();
        boolean certvalid = true;
        boolean sigvalid = false;
        CMSSignedDataObject chuidSig = null;
        X509Certificate pcs = null;

        View chuidLayout = inflater.inflate(R.layout.activity_show_chuid, container, false);
        // get card data

        byte[] _data = g.getCard();
        CardData80073 carddata = new CardData80073(_data);

        // get chuid
        PIVCardHolderUniqueID chuid = null;
        PIVDataTempl chuidInDataTempl = carddata.getPIVCardHolderUniqueID();
        if (chuidInDataTempl != null) {
            byte[] chuidData = chuidInDataTempl.getData();
            if (chuidData == null) {
                chuidData = chuidInDataTempl.getEncoded();
            }
            chuid = new PIVCardHolderUniqueID(chuidData);
        }
        if (chuid != null) {
            try {
                // get chuid signature object
                chuidSig = new CMSSignedDataObject(chuid.getSignatureBytes(), chuid.getSignatureDataBytes());
                chuidSig.setProviderName("OpenSSLFIPSProvider");
                // validate the signature, don't do PDVAL
                sigvalid = chuidSig.verifySignature(false);
            } catch (SignatureException e) {
                Log.e(TAG, "Error: " + e.getMessage());
            }
            // get x509 cert
            if (chuidSig != null) {
                pcs = chuidSig.getSigner();
            }
            // get values from x509
            if (pcs != null) {
                issuer = pcs.getIssuerDN().getName();
                subject = pcs.getSubjectDN().getName();
                validfrom = pcs.getNotBefore().toString();
                validto = pcs.getNotAfter().toString();
            }

        }

        ImageView sigthumbs = (ImageView) chuidLayout.findViewById(R.id.chuidindicator1);
        TextView sigtext = (TextView) chuidLayout.findViewById(R.id.chuid1);
        if (sigvalid) {
            sigthumbs.setImageResource(R.drawable.cert_good);
        } else {
            sigthumbs.setImageResource(R.drawable.cert_bad);
            sigtext.setTextColor(getResources().getColor(R.color.idredmain));
        }

        /*
         * Note to self. I am not thrilled how Java almost forces you to assume
         * a certificate if valid unless an exception is thrown!
         */
        TextView vfText = (TextView) chuidLayout.findViewById(R.id.chuid4);
        TextView vtText = (TextView) chuidLayout.findViewById(R.id.chuid5);

        try {
            if (pcs != null) {
                pcs.checkValidity();
            }
        } catch (CertificateNotYetValidException e) {
            certvalid = false;
            vfText.setTextColor(getResources().getColor(R.color.idredmain));
            if (debug) {
                Log.d(TAG, "Error: Authentication Certificate Not Vaid Yet!");
            }
        } catch (CertificateExpiredException e) {
            certvalid = false;
            vtText.setTextColor(getResources().getColor(R.color.idredmain));
            if (debug) {
                Log.d(TAG, "Error: Card Authentication Certificate Expired!");
            }
        }
        ImageView certthumbs = (ImageView) chuidLayout.findViewById(R.id.chuidindicator2);
        TextView certtext = (TextView) chuidLayout.findViewById(R.id.chuid2);
        if (certvalid && pcs != null) {
            certthumbs.setImageResource(R.drawable.cert_good);
        } else {
            certthumbs.setImageResource(R.drawable.cert_bad);
            certtext.setTextColor(getResources().getColor(R.color.idredmain));
        }

        // setting all values in activity
        TextView editChuidSubject = (TextView) chuidLayout.findViewById(R.id.chuid_subject);
        editChuidSubject.setText(subject);

        TextView editValidFrom = (TextView) chuidLayout.findViewById(R.id.chuid_date);
        editValidFrom.setText(validfrom);

        TextView editValidTo = (TextView) chuidLayout.findViewById(R.id.chuid_expiry);
        editValidTo.setText(validto);

        TextView editIssuer = (TextView) chuidLayout.findViewById(R.id.chuid_issuer);
        editIssuer.setText(issuer);

        return chuidLayout;
    }
}