auth/auth-certman/src/main/java/org/onap/aaf/auth/cm/cert/CSRMeta.java

   1 /**
   2  * ============LICENSE_START====================================================
   3  * org.onap.aaf
   4  * ===========================================================================
   5  * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
   6  *
   7  * Modifications Copyright (C) 2019 IBM.
   8  * ===========================================================================
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  * ============LICENSE_END====================================================
  21  *
  22  */
  23 package org.onap.aaf.auth.cm.cert;
  24
  25 import java.io.IOException;
  26 import java.math.BigInteger;
  27 import java.security.KeyPair;
  28 import java.security.SecureRandom;
  29 import java.security.cert.CertificateException;
  30 import java.security.cert.X509Certificate;
  31 import java.util.ArrayList;
  32 import java.util.Date;
  33 import java.util.GregorianCalendar;
  34 import java.util.List;
  35
  36 import org.bouncycastle.asn1.ASN1Sequence;
  37 import org.bouncycastle.asn1.DERPrintableString;
  38 import org.bouncycastle.asn1.pkcs.Attribute;
  39 import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
  40 import org.bouncycastle.asn1.x500.X500Name;
  41 import org.bouncycastle.asn1.x500.X500NameBuilder;
  42 import org.bouncycastle.asn1.x500.style.BCStyle;
  43 import org.bouncycastle.asn1.x509.Extension;
  44 import org.bouncycastle.asn1.x509.Extensions;
  45 import org.bouncycastle.asn1.x509.GeneralName;
  46 import org.bouncycastle.asn1.x509.GeneralNames;
  47 import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo;
  48 import org.bouncycastle.cert.X509v3CertificateBuilder;
  49 import org.bouncycastle.cert.jcajce.JcaX509CertificateConverter;
  50 import org.bouncycastle.operator.OperatorCreationException;
  51 import org.bouncycastle.pkcs.PKCS10CertificationRequest;
  52 import org.bouncycastle.pkcs.PKCS10CertificationRequestBuilder;
  53 import org.bouncycastle.pkcs.jcajce.JcaPKCS10CertificationRequestBuilder;
  54 import org.onap.aaf.cadi.configure.CertException;
  55 import org.onap.aaf.cadi.configure.Factory;
  56 import org.onap.aaf.misc.env.Trans;
  57
  58 public class CSRMeta {
  59     private String cn;
  60     private String mechID;
  61     private String environment;
  62     private String email;
  63     private String challenge;
  64     private List<RDN> rdns;
  65     private ArrayList<String> sanList = new ArrayList<>();
  66     private KeyPair keyPair;
  67     private X500Name name = null;
  68     private SecureRandom random = new SecureRandom();
  69
  70     public CSRMeta(List<RDN> rdns) {
  71         this.rdns = rdns;
  72     }
  73
  74     public X500Name x500Name() {
  75         if (name==null) {
  76             X500NameBuilder xnb = new X500NameBuilder();
  77             xnb.addRDN(BCStyle.CN,cn);
  78             xnb.addRDN(BCStyle.E,email);
  79             if (mechID!=null) {
  80                 if (environment==null) {
  81                     xnb.addRDN(BCStyle.OU,mechID);
  82                 } else {
  83                     xnb.addRDN(BCStyle.OU,mechID+':'+environment);
  84                 }
  85             }
  86             for (RDN rdn : rdns) {
  87                 xnb.addRDN(rdn.aoi,rdn.value);
  88             }
  89             name = xnb.build();
  90         }
  91         return name;
  92     }
  93
  94
  95     public PKCS10CertificationRequest  generateCSR(Trans trans) throws IOException, CertException {
  96         PKCS10CertificationRequestBuilder builder = new JcaPKCS10CertificationRequestBuilder(x500Name(),keypair(trans).getPublic());
  97         if (challenge!=null) {
  98             DERPrintableString password = new DERPrintableString(challenge);
  99             builder.addAttribute(PKCSObjectIdentifiers.pkcs_9_at_challengePassword, password);
 100         }
 101
 102         int plus = email==null?0:1;
 103         if (!sanList.isEmpty()) {
 104             GeneralName[] gna = new GeneralName[sanList.size()+plus];
 105             int i=-1;
 106             for (String s : sanList) {
 107                 gna[++i]=new GeneralName(GeneralName.dNSName,s);
 108             }
 109             gna[++i]=new GeneralName(GeneralName.rfc822Name,email);
 110
 111             builder.addAttribute(
 112                     PKCSObjectIdentifiers.pkcs_9_at_extensionRequest,
 113                     new Extensions(new Extension[] {
 114                             new Extension(Extension.subjectAlternativeName,false,new GeneralNames(gna).getEncoded())
 115                     })
 116             );
 117         }
 118
 119         try {
 120             return builder.build(BCFactory.contentSigner(keypair(trans).getPrivate()));
 121         } catch (OperatorCreationException e) {
 122             throw new CertException(e);
 123         }
 124     }
 125
 126     @SuppressWarnings("deprecation")
 127     public static void dump(PKCS10CertificationRequest csr) {
 128          Attribute[] certAttributes = csr.getAttributes();
 129          for (Attribute attribute : certAttributes) {
 130              if (!attribute.getAttrType().equals(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest)) {
 131                      continue;
 132                  }
 133
 134                  Extensions extensions = Extensions.getInstance(attribute.getAttrValues().getObjectAt(0));
 135                  GeneralNames gns = GeneralNames.fromExtensions(extensions,Extension.subjectAlternativeName);
 136                  GeneralName[] names = gns.getNames();
 137                  for (int k=0; k < names.length; k++) {
 138                          String title = "";
 139                          if (names[k].getTagNo() == GeneralName.dNSName) {
 140                                  title = "dNSName";
 141                          } else if (names[k].getTagNo() == GeneralName.iPAddress) {
 142                                  title = "iPAddress";
 143                                  // Deprecated, but I don't see anything better to use.
 144                                  names[k].toASN1Object();
 145                          } else if (names[k].getTagNo() == GeneralName.otherName) {
 146                                  title = "otherName";
 147                          } else if (names[k].getTagNo() == GeneralName.rfc822Name) {
 148                                  title = "email";
 149                          }
 150
 151                          System.out.println(title + ": "+ names[k].getName());
 152                  }
 153          }
 154     }
 155
 156     public X509Certificate initialConversationCert(Trans trans) throws CertificateException, OperatorCreationException {
 157         GregorianCalendar gc = new GregorianCalendar();
 158         Date start = gc.getTime();
 159         gc.add(GregorianCalendar.DAY_OF_MONTH,2);
 160         Date end = gc.getTime();
 161         @SuppressWarnings("deprecation")
 162         X509v3CertificateBuilder xcb = new X509v3CertificateBuilder(
 163                 x500Name(),
 164                 new BigInteger(12,random), // replace with Serialnumber scheme
 165                 start,
 166                 end,
 167                 x500Name(),
 168                 new SubjectPublicKeyInfo(ASN1Sequence.getInstance(keypair(trans).getPublic().getEncoded()))
 169                 );
 170         return new JcaX509CertificateConverter().getCertificate(
 171                 xcb.build(BCFactory.contentSigner(keypair(trans).getPrivate())));
 172     }
 173
 174     public CSRMeta san(String v) {
 175         sanList.add(v);
 176         return this;
 177     }
 178
 179     public List<String> sans() {
 180         return sanList;
 181     }
 182
 183
 184     public KeyPair keypair(Trans trans) {
 185         if (keyPair == null) {
 186             keyPair = Factory.generateKeyPair(trans);
 187         }
 188         return keyPair;
 189     }
 190
 191     /**
 192      * @return the cn
 193      */
 194     public String cn() {
 195         return cn;
 196     }
 197
 198
 199     /**
 200      * @param cn the cn to set
 201      */
 202     public void cn(String cn) {
 203         this.cn = cn;
 204     }
 205
 206     /**
 207      * Environment of Service MechID is good for
 208      */
 209     public void environment(String env) {
 210         environment = env;
 211     }
 212
 213     /**
 214      *
 215      * @return
 216      */
 217     public String environment() {
 218         return environment;
 219     }
 220
 221     /**
 222      * @return the mechID
 223      */
 224     public String mechID() {
 225         return mechID;
 226     }
 227
 228
 229     /**
 230      * @param mechID the mechID to set
 231      */
 232     public void mechID(String mechID) {
 233         this.mechID = mechID;
 234     }
 235
 236
 237     /**
 238      * @return the email
 239      */
 240     public String email() {
 241         return email;
 242     }
 243
 244
 245     /**
 246      * @param email the email to set
 247      */
 248     public void email(String email) {
 249         this.email = email;
 250     }
 251
 252     /**
 253      * @return the challenge
 254      */
 255     public String challenge() {
 256         return challenge;
 257     }
 258
 259
 260     /**
 261      * @param challenge the challenge to set
 262      */
 263     public void challenge(String challenge) {
 264         this.challenge = challenge;
 265     }
 266
 267 }