BasicConstraints.java

/*
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 * 
 * Copyright (c) 2005-2025 Link.it srl (https://link.it). 
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3, as published by
 * the Free Software Foundation.
 *
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
package org.openspcoop2.utils.certificate;

import org.bouncycastle.asn1.x509.Extensions;

/**
 * BasicConstraints
 *
 * @author Poli Andrea (apoli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 */
public class BasicConstraints {

    private boolean ca;
    private long pathLen;
        
    public long getPathLen() {
        return this.pathLen;
    }
    /**public boolean isCa() {
        return this.ca;
    }*/
    public boolean isCA() {
        return this.ca;
    }

    public static BasicConstraints getBasicConstraints(byte[]encoded) {
        
        org.bouncycastle.asn1.x509.Certificate c =org.bouncycastle.asn1.x509.Certificate.getInstance(encoded);
        Extensions exts = c.getTBSCertificate().getExtensions();
        if (exts != null){
            org.bouncycastle.asn1.x509.BasicConstraints basicConstraints = org.bouncycastle.asn1.x509.BasicConstraints.fromExtensions(exts);
            if(basicConstraints!=null) {
                /**System.out.println("======================");
                System.out.println("BasicConstraints '"+basicConstraints.toString()+"'");
                System.out.println("Len '"+basicConstraints.getPathLenConstraint()+"'");
                System.out.println("Qual '"+basicConstraints.isCA()+"'");
                System.out.println("======================");*/
                
                BasicConstraints bc = new BasicConstraints();
                bc.ca = basicConstraints.isCA();
                if(basicConstraints.getPathLenConstraint()!=null) {
                    bc.pathLen = basicConstraints.getPathLenConstraint().longValue();
                }
                return bc;
            }
        }
        return null;
        
    }
}