src/club/wpia/gigi/pages/account/certs/CertificateRequest.java

   1 package club.wpia.gigi.pages.account.certs;
   2
   3 import java.io.IOException;
   4 import java.io.PrintWriter;
   5 import java.security.GeneralSecurityException;
   6 import java.security.PublicKey;
   7 import java.security.interfaces.DSAPublicKey;
   8 import java.security.interfaces.ECPublicKey;
   9 import java.security.interfaces.RSAPublicKey;
  10 import java.util.Base64;
  11 import java.util.HashMap;
  12 import java.util.HashSet;
  13 import java.util.LinkedHashSet;
  14 import java.util.Set;
  15 import java.util.TreeSet;
  16
  17 import club.wpia.gigi.GigiApiException;
  18 import club.wpia.gigi.crypto.SPKAC;
  19 import club.wpia.gigi.dbObjects.Certificate;
  20 import club.wpia.gigi.dbObjects.Certificate.CSRType;
  21 import club.wpia.gigi.dbObjects.Certificate.SANType;
  22 import club.wpia.gigi.dbObjects.Certificate.SubjectAlternateName;
  23 import club.wpia.gigi.dbObjects.CertificateOwner;
  24 import club.wpia.gigi.dbObjects.CertificateProfile;
  25 import club.wpia.gigi.dbObjects.CertificateProfile.PropertyTemplate;
  26 import club.wpia.gigi.dbObjects.Digest;
  27 import club.wpia.gigi.dbObjects.Group;
  28 import club.wpia.gigi.dbObjects.Organisation;
  29 import club.wpia.gigi.dbObjects.User;
  30 import club.wpia.gigi.output.template.SprintfCommand;
  31 import club.wpia.gigi.util.AuthorizationContext;
  32 import club.wpia.gigi.util.CAA;
  33 import club.wpia.gigi.util.DomainAssessment;
  34 import club.wpia.gigi.util.PEM;
  35 import club.wpia.gigi.util.RateLimit;
  36 import club.wpia.gigi.util.ServerConstants;
  37 import sun.security.pkcs.PKCS9Attribute;
  38 import sun.security.pkcs10.PKCS10;
  39 import sun.security.pkcs10.PKCS10Attribute;
  40 import sun.security.pkcs10.PKCS10Attributes;
  41 import sun.security.util.DerInputStream;
  42 import sun.security.util.DerValue;
  43 import sun.security.util.ObjectIdentifier;
  44 import sun.security.x509.AVA;
  45 import sun.security.x509.AlgorithmId;
  46 import sun.security.x509.CertificateExtensions;
  47 import sun.security.x509.DNSName;
  48 import sun.security.x509.ExtendedKeyUsageExtension;
  49 import sun.security.x509.Extension;
  50 import sun.security.x509.GeneralName;
  51 import sun.security.x509.GeneralNameInterface;
  52 import sun.security.x509.GeneralNames;
  53 import sun.security.x509.PKIXExtensions;
  54 import sun.security.x509.RDN;
  55 import sun.security.x509.RFC822Name;
  56 import sun.security.x509.SubjectAlternativeNameExtension;
  57 import sun.security.x509.X500Name;
  58
  59 public class CertificateRequest {
  60
  61     public static final String DEFAULT_CN = ServerConstants.getAppName() + " User";
  62
  63     public static final ObjectIdentifier OID_KEY_USAGE_SSL_SERVER = ObjectIdentifier.newInternal(new int[] {
  64             1, 3, 6, 1, 5, 5, 7, 3, 1
  65     });
  66
  67     public static final ObjectIdentifier OID_KEY_USAGE_SSL_CLIENT = ObjectIdentifier.newInternal(new int[] {
  68             1, 3, 6, 1, 5, 5, 7, 3, 2
  69     });
  70
  71     public static final ObjectIdentifier OID_KEY_USAGE_CODESIGN = ObjectIdentifier.newInternal(new int[] {
  72             1, 3, 6, 1, 5, 5, 7, 3, 3
  73     });
  74
  75     public static final ObjectIdentifier OID_KEY_USAGE_EMAIL_PROTECTION = ObjectIdentifier.newInternal(new int[] {
  76             1, 3, 6, 1, 5, 5, 7, 3, 4
  77     });
  78
  79     public static final ObjectIdentifier OID_KEY_USAGE_TIMESTAMP = ObjectIdentifier.newInternal(new int[] {
  80             1, 3, 6, 1, 5, 5, 7, 3, 8
  81     });
  82
  83     public static final ObjectIdentifier OID_KEY_USAGE_OCSP = ObjectIdentifier.newInternal(new int[] {
  84             1, 3, 6, 1, 5, 5, 7, 3, 9
  85     });
  86
  87     private CSRType csrType;
  88
  89     private final PublicKey pk;
  90
  91     private String csr;
  92
  93     public String name = DEFAULT_CN;
  94
  95     private Set<SubjectAlternateName> SANs;
  96
  97     private Digest selectedDigest = Digest.getDefault();
  98
  99     private CertificateProfile profile = CertificateProfile.getById(1);
 100
 101     private String ou = "";
 102
 103     private AuthorizationContext ctx;
 104
 105     private String pDNS, pMail;
 106
 107     public CertificateRequest(AuthorizationContext c, String csr) throws IOException, GeneralSecurityException, GigiApiException {
 108         this(c, csr, (CertificateProfile) null);
 109     }
 110
 111     public CertificateRequest(AuthorizationContext ctx, String csr, CertificateProfile cp) throws GeneralSecurityException, IOException, IOException {
 112         this.ctx = ctx;
 113         if (cp != null) {
 114             profile = cp;
 115         } else if (ctx.getActor().getVerificationPoints() > 50) {
 116             profile = CertificateProfile.getByName("client-a");
 117         }
 118         byte[] data = PEM.decode("(NEW )?CERTIFICATE REQUEST", csr);
 119         PKCS10 parsed = new PKCS10(data);
 120         PKCS10Attributes atts = parsed.getAttributes();
 121
 122         TreeSet<SubjectAlternateName> SANs = new TreeSet<>();
 123         for (RDN r : parsed.getSubjectName().rdns()) {
 124             for (AVA a : r.avas()) {
 125                 if (a.getObjectIdentifier().equals((Object) PKCS9Attribute.EMAIL_ADDRESS_OID)) {
 126                     SANs.add(new SubjectAlternateName(SANType.EMAIL, a.getValueString()));
 127                 } else if (a.getObjectIdentifier().equals((Object) X500Name.commonName_oid)) {
 128                     String value = a.getValueString();
 129                     if (value.contains(".") && !value.contains(" ")) {
 130                         SANs.add(new SubjectAlternateName(SANType.DNS, value));
 131                     } else {
 132                         name = value;
 133                     }
 134                 } else if (a.getObjectIdentifier().equals((Object) PKIXExtensions.SubjectAlternativeName_Id)) {
 135                     // TODO? parse invalid SANs
 136                 }
 137             }
 138         }
 139
 140         for (PKCS10Attribute b : atts.getAttributes()) {
 141
 142             if ( !b.getAttributeId().equals((Object) PKCS9Attribute.EXTENSION_REQUEST_OID)) {
 143                 // unknown attrib
 144                 continue;
 145             }
 146
 147             for (Extension c : ((CertificateExtensions) b.getAttributeValue()).getAllExtensions()) {
 148                 if (c instanceof SubjectAlternativeNameExtension) {
 149
 150                     SubjectAlternativeNameExtension san = (SubjectAlternativeNameExtension) c;
 151                     GeneralNames obj = san.get(SubjectAlternativeNameExtension.SUBJECT_NAME);
 152                     for (int i = 0; i < obj.size(); i++) {
 153                         GeneralName generalName = obj.get(i);
 154                         GeneralNameInterface peeled = generalName.getName();
 155                         if (peeled instanceof DNSName) {
 156                             SANs.add(new SubjectAlternateName(SANType.DNS, ((DNSName) peeled).getName()));
 157                         } else if (peeled instanceof RFC822Name) {
 158                             SANs.add(new SubjectAlternateName(SANType.EMAIL, ((RFC822Name) peeled).getName()));
 159                         }
 160                     }
 161                 } else if (c instanceof ExtendedKeyUsageExtension) {
 162                     ExtendedKeyUsageExtension ekue = (ExtendedKeyUsageExtension) c;
 163                     String appendix = "";
 164                     if (ctx.getActor().getVerificationPoints() >= 50) {
 165                         appendix = "-a";
 166                     }
 167                     for (String s : ekue.getExtendedKeyUsage()) {
 168                         if (s.equals(OID_KEY_USAGE_SSL_SERVER.toString())) {
 169                             // server
 170                             profile = CertificateProfile.getByName("server" + appendix);
 171                         } else if (s.equals(OID_KEY_USAGE_SSL_CLIENT.toString())) {
 172                             // client
 173                             profile = CertificateProfile.getByName("client" + appendix);
 174                         } else if (s.equals(OID_KEY_USAGE_CODESIGN.toString())) {
 175                             // code sign
 176                         } else if (s.equals(OID_KEY_USAGE_EMAIL_PROTECTION.toString())) {
 177                             // emailProtection
 178                             profile = CertificateProfile.getByName("mail" + appendix);
 179                         } else if (s.equals(OID_KEY_USAGE_TIMESTAMP.toString())) {
 180                             // timestamp
 181                         } else if (s.equals(OID_KEY_USAGE_OCSP.toString())) {
 182                             // OCSP
 183                         }
 184                     }
 185                 } else {
 186                     // Unknown requested extension
 187                 }
 188             }
 189
 190         }
 191         this.SANs = SANs;
 192         pk = parsed.getSubjectPublicKeyInfo();
 193         String sign = getSignatureAlgorithm(data);
 194         guessDigest(sign);
 195
 196         this.csr = csr;
 197         this.csrType = CSRType.CSR;
 198     }
 199
 200     public CertificateRequest(AuthorizationContext ctx, String spkac, String spkacChallenge) throws IOException, GigiApiException, GeneralSecurityException {
 201         this.ctx = ctx;
 202         String cleanedSPKAC = spkac.replaceAll("[\r\n]", "");
 203         byte[] data = Base64.getDecoder().decode(cleanedSPKAC);
 204         SPKAC parsed = new SPKAC(data);
 205         if ( !parsed.getChallenge().equals(spkacChallenge)) {
 206             throw new GigiApiException("Challenge mismatch");
 207         }
 208         pk = parsed.getPubkey();
 209         String sign = getSignatureAlgorithm(data);
 210         guessDigest(sign);
 211         this.SANs = new HashSet<>();
 212         this.csr = "SPKAC=" + cleanedSPKAC;
 213         this.csrType = CSRType.SPKAC;
 214
 215     }
 216
 217     private static String getSignatureAlgorithm(byte[] data) throws IOException {
 218         DerInputStream in = new DerInputStream(data);
 219         DerValue[] seq = in.getSequence(3);
 220         return AlgorithmId.parse(seq[1]).getName();
 221     }
 222
 223     private void guessDigest(String sign) {
 224         if (sign.toLowerCase().startsWith("sha512")) {
 225             selectedDigest = Digest.SHA512;
 226         } else if (sign.toLowerCase().startsWith("sha384")) {
 227             selectedDigest = Digest.SHA384;
 228         } else if (sign.toLowerCase().startsWith("sha256")) {
 229             selectedDigest = Digest.SHA256;
 230         }
 231     }
 232
 233     public void checkKeyStrength(PrintWriter out) {
 234         out.println("Type: " + pk.getAlgorithm() + "<br/>");
 235         if (pk instanceof RSAPublicKey) {
 236             out.println("Exponent: " + ((RSAPublicKey) pk).getPublicExponent() + "<br/>");
 237             out.println("Length: " + ((RSAPublicKey) pk).getModulus().bitLength());
 238         } else if (pk instanceof DSAPublicKey) {
 239             DSAPublicKey dpk = (DSAPublicKey) pk;
 240             out.println("Length: " + dpk.getY().bitLength() + "<br/>");
 241             out.println(dpk.getParams());
 242         } else if (pk instanceof ECPublicKey) {
 243             ECPublicKey epk = (ECPublicKey) pk;
 244             out.println("Length-x: " + epk.getW().getAffineX().bitLength() + "<br/>");
 245             out.println("Length-y: " + epk.getW().getAffineY().bitLength() + "<br/>");
 246             out.println(epk.getParams().getCurve());
 247         }
 248     }
 249
 250     private Set<SubjectAlternateName> parseSANBox(String SANs) {
 251         String[] SANparts = SANs.split("[\r\n]+|, *");
 252         Set<SubjectAlternateName> parsedNames = new LinkedHashSet<>();
 253         for (String SANline : SANparts) {
 254             String[] parts = SANline.split(":", 2);
 255             if (parts.length == 1) {
 256                 if (parts[0].trim().equals("")) {
 257                     continue;
 258                 }
 259                 if (parts[0].contains("@")) {
 260                     parsedNames.add(new SubjectAlternateName(SANType.EMAIL, parts[0]));
 261                 } else {
 262                     parsedNames.add(new SubjectAlternateName(SANType.DNS, parts[0]));
 263                 }
 264                 continue;
 265             }
 266             try {
 267                 SANType t = Certificate.SANType.valueOf(parts[0].toUpperCase().trim());
 268                 if (t == null) {
 269                     continue;
 270                 }
 271                 parsedNames.add(new SubjectAlternateName(t, parts[1].trim()));
 272             } catch (IllegalArgumentException e) {
 273                 // invalid enum type
 274                 continue;
 275             }
 276         }
 277         return parsedNames;
 278     }
 279
 280     public Set<SubjectAlternateName> getSANs() {
 281         return SANs;
 282     }
 283
 284     public String getName() {
 285         return name;
 286     }
 287
 288     public synchronized String getOu() {
 289         if (ctx.getTarget() instanceof Organisation) {
 290             return ou;
 291         }
 292         throw new IllegalStateException();
 293     }
 294
 295     public Digest getSelectedDigest() {
 296         return selectedDigest;
 297     }
 298
 299     public CertificateProfile getProfile() {
 300         return profile;
 301     }
 302
 303     public synchronized boolean update(String nameIn, String hashAlg, String profileStr, String newOrgStr, String ou, String SANsStr) throws GigiApiException {
 304         GigiApiException error = new GigiApiException();
 305         this.name = nameIn;
 306         if (hashAlg != null) {
 307             selectedDigest = Digest.valueOf(hashAlg);
 308         }
 309         this.profile = CertificateProfile.getByName(profileStr);
 310         if (ctx.getTarget() instanceof Organisation) {
 311             this.ou = ou;
 312         }
 313
 314         if ( !this.profile.canBeIssuedBy(ctx.getTarget(), ctx.getActor())) {
 315             this.profile = CertificateProfile.getById(1);
 316             error.mergeInto(new GigiApiException("Certificate Profile is invalid."));
 317             throw error;
 318         }
 319
 320         verifySANs(error, profile, parseSANBox(SANsStr), ctx.getTarget(), ctx.getActor());
 321
 322         if ( !error.isEmpty()) {
 323             throw error;
 324         }
 325         return true;
 326     }
 327
 328     private void verifySANs(GigiApiException error, CertificateProfile p, Set<SubjectAlternateName> sANs2, CertificateOwner owner, User user) {
 329         Set<SubjectAlternateName> filteredSANs = new LinkedHashSet<>();
 330         PropertyTemplate domainTemp = p.getTemplates().get("domain");
 331         PropertyTemplate emailTemp = p.getTemplates().get("email");
 332         pDNS = null;
 333         pMail = null;
 334         for (SubjectAlternateName san : sANs2) {
 335             if (san.getType() == SANType.DNS) {
 336                 if (domainTemp != null && owner.isValidDomain(san.getName())) {
 337                     boolean valid;
 338                     try {
 339                         DomainAssessment.checkCertifiableDomain(san.getName(), user.isInGroup(Group.CODESIGNING), false);
 340                         valid = true;
 341                         if ( !valid || !CAA.verifyDomainAccess(owner, p, san.getName()) || (pDNS != null && !domainTemp.isMultiple())) {
 342                             // remove
 343                         } else {
 344                             if (pDNS == null) {
 345                                 pDNS = san.getName();
 346                             }
 347                             filteredSANs.add(san);
 348                             continue;
 349                         }
 350                     } catch (GigiApiException e) {
 351                         error.mergeInto(e);
 352                         valid = false;
 353                     }
 354                 }
 355             } else if (san.getType() == SANType.EMAIL) {
 356                 if (emailTemp != null && owner.isValidEmail(san.getName())) {
 357                     if (pMail != null && !emailTemp.isMultiple()) {
 358                         // remove
 359                     } else {
 360                         if (pMail == null) {
 361                             pMail = san.getName();
 362                         }
 363                         filteredSANs.add(san);
 364                         continue;
 365                     }
 366                 }
 367             }
 368             error.mergeInto(new GigiApiException(SprintfCommand.createSimple(//
 369                     "The requested subject alternate name (SAN) \"{0}\" has been removed.", san.getType().toString().toLowerCase() + ":" + san.getName())));
 370         }
 371         SANs = filteredSANs;
 372     }
 373
 374     // domain email name name=WoTUser orga
 375     public synchronized Certificate draft() throws GigiApiException {
 376
 377         GigiApiException error = new GigiApiException();
 378
 379         HashMap<String, String> subject = new HashMap<>();
 380         PropertyTemplate domainTemp = profile.getTemplates().get("domain");
 381         PropertyTemplate emailTemp = profile.getTemplates().get("email");
 382         PropertyTemplate nameTemp = profile.getTemplates().get("name");
 383         PropertyTemplate wotUserTemp = profile.getTemplates().get("name=WoTUser");
 384         verifySANs(error, profile, SANs, ctx.getTarget(), ctx.getActor());
 385
 386         // Ok, let's determine the CN
 387         // the CN is
 388         // 1. the user's "real name", iff the real name is to be included i.e.
 389         // not empty (name), or to be forced to WOTUser
 390
 391         // 2. the user's "primary domain", iff "1." doesn't match and there is a
 392         // primary domain. (domainTemp != null)
 393
 394         String verifiedCN = null;
 395         if (ctx.getTarget() instanceof Organisation) {
 396             if ( !name.equals("")) {
 397                 verifiedCN = name;
 398             }
 399         } else {
 400             verifiedCN = verifyName(error, nameTemp, wotUserTemp, verifiedCN);
 401         }
 402         if (pDNS == null && domainTemp != null && domainTemp.isRequired()) {
 403             error.mergeInto(new GigiApiException("Server Certificates require a DNS name."));
 404         } else if (domainTemp != null && verifiedCN == null) {
 405             // user may add domains
 406             verifiedCN = pDNS;
 407         }
 408         if (verifiedCN != null) {
 409             subject.put("CN", verifiedCN);
 410         }
 411
 412         if (pMail != null) {
 413             if (emailTemp != null) {
 414                 subject.put("EMAIL", pMail);
 415             } else {
 416                 // verify SANs should prevent this
 417                 pMail = null;
 418                 error.mergeInto(new GigiApiException("You may not include an email in this certificate."));
 419             }
 420         } else {
 421             if (emailTemp != null && emailTemp.isRequired()) {
 422                 error.mergeInto(new GigiApiException("You need to include an email in this certificate."));
 423             }
 424         }
 425
 426         if (ctx.getTarget() instanceof Organisation) {
 427             Organisation org = (Organisation) ctx.getTarget();
 428             subject.put("O", org.getName());
 429             subject.put("C", org.getCountry().getCode());
 430             subject.put("ST", org.getProvince());
 431             subject.put("L", org.getCity());
 432             if (ou != null) {
 433                 subject.put("OU", ou);
 434             }
 435         }
 436         System.out.println(subject);
 437         if ( !error.isEmpty()) {
 438             throw error;
 439         }
 440         try {
 441             if (RATE_LIMIT.isLimitExceeded(Integer.toString(ctx.getActor().getId()))) {
 442                 throw new GigiApiException("Rate Limit Exceeded");
 443             }
 444             return new Certificate(ctx.getTarget(), ctx.getActor(), subject, selectedDigest, //
 445                     this.csr, this.csrType, profile, SANs.toArray(new SubjectAlternateName[SANs.size()]));
 446         } catch (IOException e) {
 447             e.printStackTrace();
 448         }
 449         return null;
 450     }
 451
 452     // 100 per 10 minutes
 453     public static final RateLimit RATE_LIMIT = new RateLimit(100, 10 * 60 * 1000);
 454
 455     private String verifyName(GigiApiException error, PropertyTemplate nameTemp, PropertyTemplate wotUserTemp, String verifiedCN) {
 456         // real names,
 457         // possible configurations: name {y,null,?}, name=WoTUser {y,null}
 458         // semantics:
 459         // y * -> real
 460         // null y -> default
 461         // null null -> null
 462         // ? y -> real, default
 463         // ? null -> real, default, null
 464         boolean realIsOK = false;
 465         boolean nullIsOK = false;
 466         boolean defaultIsOK = false;
 467         if (wotUserTemp != null && ( !wotUserTemp.isRequired() || wotUserTemp.isMultiple())) {
 468             error.mergeInto(new GigiApiException("Internal configuration error detected."));
 469         }
 470         if (nameTemp != null && nameTemp.isRequired() && !nameTemp.isMultiple()) {
 471             realIsOK = true;
 472         } else if (nameTemp == null) {
 473             defaultIsOK = wotUserTemp != null;
 474             nullIsOK = !defaultIsOK;
 475         } else if (nameTemp != null && !nameTemp.isRequired() && !nameTemp.isMultiple()) {
 476             realIsOK = true;
 477             defaultIsOK = true;
 478             nullIsOK = wotUserTemp == null;
 479         } else {
 480             error.mergeInto(new GigiApiException("Internal configuration error detected."));
 481         }
 482         if (ctx.getTarget() instanceof User) {
 483             User u = (User) ctx.getTarget();
 484             if (name != null && u.isValidName(name)) {
 485                 if (realIsOK) {
 486                     verifiedCN = name;
 487                 } else {
 488                     error.mergeInto(new GigiApiException("Your real name is not allowed in this certificate."));
 489                     if (defaultIsOK) {
 490                         name = DEFAULT_CN;
 491                     } else if (nullIsOK) {
 492                         name = "";
 493                     }
 494                 }
 495             } else if (name != null && name.equals(DEFAULT_CN)) {
 496                 if (defaultIsOK) {
 497                     verifiedCN = name;
 498                 } else {
 499                     error.mergeInto(new GigiApiException("The default name is not allowed in this certificate."));
 500                     if (nullIsOK) {
 501                         name = "";
 502                     } else if (realIsOK) {
 503                         name = u.getPreferredName().toString();
 504                     }
 505                 }
 506             } else if (name == null || name.equals("")) {
 507                 if (nullIsOK) {
 508                     verifiedCN = "";
 509                 } else {
 510                     error.mergeInto(new GigiApiException("A name is required in this certificate."));
 511                     if (defaultIsOK) {
 512                         name = DEFAULT_CN;
 513                     } else if (realIsOK) {
 514                         name = u.getPreferredName().toString();
 515                     }
 516                 }
 517             } else {
 518                 error.mergeInto(new GigiApiException("The name you entered was invalid."));
 519
 520             }
 521             if (wotUserTemp != null) {
 522                 if ( !wotUserTemp.isRequired() || wotUserTemp.isMultiple()) {
 523                     error.mergeInto(new GigiApiException("Internal configuration error detected."));
 524                 }
 525                 if ( !name.equals(DEFAULT_CN)) {
 526                     name = DEFAULT_CN;
 527                     error.mergeInto(new GigiApiException("You may not change the name for this certificate type."));
 528                 } else {
 529                     verifiedCN = DEFAULT_CN;
 530                 }
 531
 532             } else {
 533                 if (nameTemp != null) {
 534                     if (name.equals("")) {
 535                         if (nameTemp.isRequired()) {
 536                             // nothing, but required
 537                             name = DEFAULT_CN;
 538                             error.mergeInto(new GigiApiException("No name entered, but one was required."));
 539                         } else {
 540                             // nothing and not required
 541
 542                         }
 543                     } else if (u.isValidName(name)) {
 544                         verifiedCN = name;
 545                     } else {
 546                         if (nameTemp.isRequired()) {
 547                             error.mergeInto(new GigiApiException("The name entered, does not match the details in your account. You cannot issue certificates with this name. Enter a name that matches the one that has been verified in your account, because a name is required for this certificate type."));
 548                         } else if (name.equals(DEFAULT_CN)) {
 549                             verifiedCN = DEFAULT_CN;
 550                         } else {
 551                             name = DEFAULT_CN;
 552                             error.mergeInto(new GigiApiException("The name entered, does not match the details in your account. You cannot issue certificates with this name. Enter a name that matches the one that has been verified in your account or keep the default name."));
 553                         }
 554                     }
 555                 } else {
 556                     if ( !name.equals("")) {
 557                         name = "";
 558                         error.mergeInto(new GigiApiException("No real name is included in this certificate. The real name, you entered will be ignored."));
 559                     }
 560                 }
 561             }
 562         } else {
 563             if (realIsOK) {
 564                 verifiedCN = name;
 565             } else {
 566                 verifiedCN = "";
 567                 name = "";
 568                 error.mergeInto(new GigiApiException("No real name is included in this certificate. The real name, you entered will be ignored."));
 569             }
 570         }
 571
 572         return verifiedCN;
 573     }
 574 }