auth/auth-certman/src/main/java/org/onap/aaf/auth/cm/ca/X509ChainWithIssuer.java

   1 /**
   2  * ============LICENSE_START====================================================
   3  * org.onap.aaf
   4  * ===========================================================================
   5  * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
   6  * ===========================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END====================================================
  19  *
  20  */
  21 package org.onap.aaf.auth.cm.ca;
  22
  23 import java.io.IOException;
  24 import java.io.Reader;
  25 import java.security.Principal;
  26 import java.security.cert.Certificate;
  27 import java.security.cert.CertificateException;
  28 import java.security.cert.X509Certificate;
  29 import java.util.Collection;
  30 import java.util.List;
  31
  32 import org.onap.aaf.cadi.cm.CertException;
  33 import org.onap.aaf.cadi.cm.Factory;
  34
  35 public class X509ChainWithIssuer extends X509andChain {
  36         private String issuerDN;
  37
  38         public X509ChainWithIssuer(X509ChainWithIssuer orig, X509Certificate x509) {
  39                 super(x509,orig.trustChain);
  40                 issuerDN=orig.issuerDN;
  41         }
  42
  43         public X509ChainWithIssuer(final List<? extends Reader> rdrs) throws IOException, CertException {
  44                 // Trust Chain.  Last one should be the CA
  45                 Collection<? extends Certificate> certs;
  46                 X509Certificate x509;
  47                 for(Reader rdr : rdrs) {
  48                         if(rdr==null) { // cover for badly formed array
  49                                 continue;
  50                         }
  51                         byte[] bytes = Factory.decode(rdr);
  52                         try {
  53                                 certs = Factory.toX509Certificate(bytes);
  54                         } catch (CertificateException e) {
  55                                 throw new CertException(e);
  56                         }
  57                         for(Certificate c : certs) {
  58                                 x509=(X509Certificate)c;
  59                                 Principal subject = x509.getSubjectDN();
  60                                 if(subject==null) {
  61                                         continue;
  62                                 }
  63                                 if(cert==null) { // first in Trust Chain
  64                                         issuerDN = subject.toString();
  65                                 }
  66                                 addTrustChainEntry(x509);
  67                                 cert=x509; // adding each time makes sure last one is signer.
  68                         }
  69                 }
  70         }
  71
  72         public X509ChainWithIssuer(Certificate[] certs) throws IOException, CertException {
  73                 X509Certificate x509;
  74                 for(Certificate c : certs) {
  75                         x509=(X509Certificate)c;
  76                         Principal subject = x509.getSubjectDN();
  77                         if(subject!=null) {
  78                                 if(cert==null) { // first in Trust Chain
  79                                         issuerDN= subject.toString();
  80                                 }
  81                                 addTrustChainEntry(x509);
  82                                 cert=x509; // adding each time makes sure last one is signer.
  83                         }
  84                 }
  85         }
  86
  87         public String getIssuerDN() {
  88                 return issuerDN;
  89         }
  90
  91 }