LocalOrganization.java

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package org.openslx.imagemaster.db.models;

import java.math.BigInteger;
import java.security.NoSuchAlgorithmException;
import java.security.PublicKey;
import java.security.spec.InvalidKeySpecException;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.openslx.encryption.AsymKeyHolder;

public class LocalOrganization
{

   private static final Logger LOGGER = LogManager.getLogger( LocalOrganization.class );

   private PublicKey publickey;

   private String publickeyString;

   private String name;

   public PublicKey getPubkey()
   {
      if ( publickey == null && publickeyString != null ) {
         String parts[] = publickeyString.split( " " );
         BigInteger mod = null;
         BigInteger exp = null;
         for ( int i = 0; i < parts.length; ++i ) {
            if ( parts[i].startsWith( "mod:" ) ) {
               // modulus found.
               mod = new BigInteger( parts[i].substring( 4 ) );
            }
            if ( parts[i].startsWith( "exp:" ) ) {
               // exponent found.
               exp = new BigInteger( parts[i].substring( 4 ) );
            }
         }
         if ( mod == null ) {
            LOGGER.error( "No modulus for building public key was found." );
            return null;
         }
         if ( exp == null ) {
            LOGGER.error( "No public exponent for building public key was found." );
            return null;
         }
         try {
            publickey = new AsymKeyHolder( null, exp, mod ).getPublicKey();
         } catch ( InvalidKeySpecException | NoSuchAlgorithmException e ) {
            LOGGER.info( "PubKey of " + this.name + " is not valid.", e );
         } catch ( NumberFormatException e ) {
            LOGGER.info( "PubKey of " + this.name + " is corrupted in database!", e );
         }
      }
      return publickey;
   }

}