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