com.github.ibole.infrastructure.security.certificate.SubjectAlternativeNameHolder Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of infrastructure-all Show documentation

The all in one project of ibole infrastructure

The newest version!

package com.github.ibole.infrastructure.security.certificate;

import java.util.ArrayList; 
import java.util.Collection; 
import java.util.List; 
import java.util.regex.Matcher; 
import java.util.regex.Pattern; 
 
import org.bouncycastle.asn1.ASN1Encodable; 
import org.bouncycastle.asn1.DERSequence; 
import org.bouncycastle.asn1.x509.Extension; 
import org.bouncycastle.asn1.x509.GeneralName; 
import org.bouncycastle.cert.CertIOException; 
import org.bouncycastle.cert.X509v3CertificateBuilder; 

/*********************************************************************************************.
 * 
 * 
 * Copyright 2016, iBole Inc. All rights reserved.
 * 
 * 

 *********************************************************************************************/


public class SubjectAlternativeNameHolder { 
  
  private static final Pattern TAGS_PATTERN = Pattern.compile("[" 
          + GeneralName.iPAddress + GeneralName.dNSName + "]"); 

  private final List sans = new ArrayList(); 

  public void addIpAddress(String ipAddress) { 
      sans.add(new GeneralName(GeneralName.iPAddress, ipAddress)); 
  } 

  public void addDomainName(String subjectAlternativeName) { 
      sans.add(new GeneralName(GeneralName.dNSName, subjectAlternativeName)); 
  } 

  public void fillInto(X509v3CertificateBuilder certGen) 
          throws CertIOException { 
      if (!sans.isEmpty()) { 
          ASN1Encodable[] encodables = sans.toArray(new ASN1Encodable[sans 
                  .size()]); 
          certGen.addExtension(Extension.subjectAlternativeName, false, 
                  new DERSequence(encodables)); 
      } 
  } 

  public void addAll(Collection> subjectAlternativeNames) { 
      if (subjectAlternativeNames != null) { 
          for (List each : subjectAlternativeNames) { 
              sans.add(parseGeneralName(each)); 
          } 
      } 
  } 

  private ASN1Encodable parseGeneralName(List nameEntry) { 
      if (nameEntry != null && nameEntry.size() != 2) { 
          throw new IllegalArgumentException(String.valueOf(nameEntry)); 
      } 
      String tag = String.valueOf(nameEntry.get(0)); 
      Matcher m = TAGS_PATTERN.matcher(tag); 
      if (m.matches()) { 
          return new GeneralName(Integer.valueOf(tag), 
                  String.valueOf(nameEntry.get(1))); 
      } 
      throw new IllegalArgumentException(String.valueOf(nameEntry)); 
  } 
}