com.fitbur.bouncycastle.cert.selector.X509AttributeCertificateHolderSelector Maven / Gradle / Ivy

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package com.fitbur.bouncycastle.cert.selector;

import java.math.BigInteger;
import java.util.Collection;
import java.util.Date;

import com.fitbur.bouncycastle.asn1.x509.Extension;
import com.fitbur.bouncycastle.asn1.x509.GeneralName;
import com.fitbur.bouncycastle.asn1.x509.Target;
import com.fitbur.bouncycastle.asn1.x509.TargetInformation;
import com.fitbur.bouncycastle.asn1.x509.Targets;
import com.fitbur.bouncycastle.cert.AttributeCertificateHolder;
import com.fitbur.bouncycastle.cert.AttributeCertificateIssuer;
import com.fitbur.bouncycastle.cert.X509AttributeCertificateHolder;
import com.fitbur.bouncycastle.util.Selector;

/**
 * This class is an Selector like implementation to select
 * attribute certificates from a given set of criteria.
 */
public class X509AttributeCertificateHolderSelector
    implements Selector
{

    // TODO: name constraints???

    private final AttributeCertificateHolder holder;

    private final AttributeCertificateIssuer issuer;

    private final BigInteger serialNumber;

    private final Date attributeCertificateValid;

    private final X509AttributeCertificateHolder attributeCert;

    private final Collection targetNames;

    private final Collection targetGroups;

    X509AttributeCertificateHolderSelector(
        AttributeCertificateHolder holder,
        AttributeCertificateIssuer issuer,
        BigInteger serialNumber,
        Date attributeCertificateValid,
        X509AttributeCertificateHolder attributeCert,
        Collection targetNames,
        Collection targetGroups)
    {
        this.holder = holder;
        this.issuer = issuer;
        this.serialNumber = serialNumber;
        this.attributeCertificateValid = attributeCertificateValid;
        this.attributeCert = attributeCert;
        this.targetNames = targetNames;
        this.targetGroups = targetGroups;
    }

    /**
     * Decides if the given attribute certificate should be selected.
     *
     * @param obj The X509AttributeCertificateHolder which should be checked.
     * @return true if the attribute certificate is a match
     *         false otherwise.
     */
    public boolean match(Object obj)
    {
        if (!(obj instanceof X509AttributeCertificateHolder))
        {
            return false;
        }

        X509AttributeCertificateHolder attrCert = (X509AttributeCertificateHolder)obj;

        if (this.attributeCert != null)
        {
            if (!this.attributeCert.equals(attrCert))
            {
                return false;
            }
        }
        if (serialNumber != null)
        {
            if (!attrCert.getSerialNumber().equals(serialNumber))
            {
                return false;
            }
        }
        if (holder != null)
        {
            if (!attrCert.getHolder().equals(holder))
            {
                return false;
            }
        }
        if (issuer != null)
        {
            if (!attrCert.getIssuer().equals(issuer))
            {
                return false;
            }
        }

        if (attributeCertificateValid != null)
        {
            if (!attrCert.isValidOn(attributeCertificateValid))
            {
                return false;
            }
        }
        if (!targetNames.isEmpty() || !targetGroups.isEmpty())
        {
            Extension targetInfoExt = attrCert.getExtension(Extension.targetInformation);
            if (targetInfoExt != null)
            {
                TargetInformation targetinfo;
                try
                {
                    targetinfo = TargetInformation.getInstance(targetInfoExt.getParsedValue());
                }
                catch (IllegalArgumentException e)
                {
                    return false;
                }
                Targets[] targetss = targetinfo.getTargetsObjects();
                if (!targetNames.isEmpty())
                {
                    boolean found = false;

                    for (int i=0; i
     * The returned collection is immutable.
     *
     * @return The collection of target names
     */
    public Collection getTargetNames()
    {
        return targetNames;
    }

    /**
     * Gets the target groups. The collection consists of GeneralName objects.
     * 
     * The returned collection is immutable.
     *
     * @return The collection of target groups.
     */
    public Collection getTargetGroups()
    {
        return targetGroups;
    }
}