| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package java.security.cert; |
| |
| import java.io.ByteArrayInputStream; |
| import java.math.BigInteger; |
| import java.security.Principal; |
| import java.util.Collection; |
| import java.util.Date; |
| import java.util.List; |
| import javax.security.auth.x500.X500Principal; |
| |
| /** |
| * Abstract base class for X.509 certificates. |
| * <p> |
| * This represents a standard way for accessing the attributes of X.509 |
| * certificates. |
| * <p> |
| * The basic X.509 v3 format described in ASN.1: |
| * |
| * <pre> |
| * Certificate ::= SEQUENCE { |
| * tbsCertificate TBSCertificate, |
| * signatureAlgorithm AlgorithmIdentifier, |
| * signature BIT STRING } |
| * |
| * TBSCertificate ::= SEQUENCE { |
| * version [0] EXPLICIT Version DEFAULT v1, |
| * serialNumber CertificateSerialNumber, |
| * signature AlgorithmIdentifier, |
| * issuer Name, |
| * validity Validity, |
| * subject Name, |
| * subjectPublicKeyInfo SubjectPublicKeyInfo, |
| * issuerUniqueID [1] IMPLICIT UniqueIdentifier OPTIONAL, |
| * -- If present, version must be v2 or v3 |
| * subjectUniqueID [2] IMPLICIT UniqueIdentifier OPTIONAL, |
| * -- If present, version must be v2 or v3 |
| * extensions [3] EXPLICIT Extensions OPTIONAL |
| * -- If present, version must be v3 |
| * } |
| * </pre> |
| * <p> |
| * For more information consult RFC 2459 |
| * "Internet X.509 Public Key Infrastructure Certificate and CRL Profile" at <a |
| * href |
| * ="http://www.ietf.org/rfc/rfc2459.txt">http://www.ietf.org/rfc/rfc2459.txt |
| * </a> . |
| */ |
| public abstract class X509Certificate |
| extends Certificate implements X509Extension { |
| |
| private static final long serialVersionUID = -2491127588187038216L; |
| |
| /** |
| * Creates a new {@code X509Certificate}. |
| */ |
| protected X509Certificate() { |
| super("X.509"); |
| } |
| |
| /** |
| * Checks whether the certificate is currently valid. |
| * <p> |
| * The validity defined in ASN.1: |
| * |
| * <pre> |
| * validity Validity |
| * |
| * Validity ::= SEQUENCE { |
| * notBefore CertificateValidityDate, |
| * notAfter CertificateValidityDate } |
| * |
| * CertificateValidityDate ::= CHOICE { |
| * utcTime UTCTime, |
| * generalTime GeneralizedTime } |
| * </pre> |
| * |
| * @throws CertificateExpiredException |
| * if the certificate has expired. |
| * @throws CertificateNotYetValidException |
| * if the certificate is not yet valid. |
| */ |
| public abstract void checkValidity() |
| throws CertificateExpiredException, CertificateNotYetValidException; |
| |
| /** |
| * Checks whether the certificate is valid at the specified date. |
| * |
| * @param date |
| * the date to check the validity against. |
| * @throws CertificateExpiredException |
| * if the certificate has expired. |
| * @throws CertificateNotYetValidException |
| * if the certificate is not yet valid. |
| * @see #checkValidity() |
| */ |
| public abstract void checkValidity(Date date) |
| throws CertificateExpiredException, CertificateNotYetValidException; |
| |
| /** |
| * Returns the certificates {@code version} (version number). |
| * <p> |
| * The version defined is ASN.1: |
| * |
| * <pre> |
| * Version ::= INTEGER { v1(0), v2(1), v3(2) } |
| * </pre> |
| * |
| * @return the version number. |
| */ |
| public abstract int getVersion(); |
| |
| /** |
| * Returns the {@code serialNumber} of the certificate. |
| * <p> |
| * The ASN.1 definition of {@code serialNumber}: |
| * |
| * <pre> |
| * CertificateSerialNumber ::= INTEGER |
| * </pre> |
| * |
| * @return the serial number. |
| */ |
| public abstract BigInteger getSerialNumber(); |
| |
| /** |
| * Returns the {@code issuer} (issuer distinguished name) as an |
| * implementation specific {@code Principal} object. |
| * <p> |
| * The ASN.1 definition of {@code issuer}: |
| * |
| * <pre> |
| * issuer Name |
| * |
| * Name ::= CHOICE { |
| * RDNSequence } |
| * |
| * RDNSequence ::= SEQUENCE OF RelativeDistinguishedName |
| * |
| * RelativeDistinguishedName ::= SET OF AttributeTypeAndValue |
| * |
| * AttributeTypeAndValue ::= SEQUENCE { |
| * type AttributeType, |
| * value AttributeValue } |
| * |
| * AttributeType ::= OBJECT IDENTIFIER |
| * |
| * AttributeValue ::= ANY DEFINED BY AttributeType |
| * </pre> |
| * |
| * <b>replaced by:</b> {@link #getIssuerX500Principal()}. |
| * |
| * @return the {@code issuer} as an implementation specific {@code |
| * Principal}. |
| */ |
| public abstract Principal getIssuerDN() ; |
| |
| /** |
| * Returns the {@code issuer} (issuer distinguished name) as an {@code |
| * X500Principal}. |
| * |
| * @return the {@code issuer} (issuer distinguished name). |
| */ |
| public X500Principal getIssuerX500Principal() { |
| |
| try { |
| // TODO if there is no X.509 certificate provider installed |
| // should we try to access Harmony X509CertImpl via classForName? |
| CertificateFactory factory = CertificateFactory |
| .getInstance("X.509"); |
| |
| X509Certificate cert = (X509Certificate) factory |
| .generateCertificate(new ByteArrayInputStream(getEncoded())); |
| |
| return cert.getIssuerX500Principal(); |
| |
| } catch (Exception e) { |
| throw new RuntimeException("Failed to get X500Principal issuer", e); |
| } |
| } |
| |
| /** |
| * Returns the {@code subject} (subject distinguished name) as an |
| * implementation specific {@code Principal} object. |
| * <p> |
| * The ASN.1 definition of {@code subject}: |
| * |
| * <pre> |
| * subject Name |
| * |
| * Name ::= CHOICE { |
| * RDNSequence } |
| * |
| * RDNSequence ::= SEQUENCE OF RelativeDistinguishedName |
| * |
| * RelativeDistinguishedName ::= SET OF AttributeTypeAndValue |
| * |
| * AttributeTypeAndValue ::= SEQUENCE { |
| * type AttributeType, |
| * value AttributeValue } |
| * |
| * AttributeType ::= OBJECT IDENTIFIER |
| * |
| * AttributeValue ::= ANY DEFINED BY AttributeType |
| * </pre> |
| * |
| * <p> |
| * <b>replaced by:</b> {@link #getSubjectX500Principal()}. |
| * |
| * @return the {@code subject} (subject distinguished name). |
| */ |
| public abstract Principal getSubjectDN(); |
| |
| /** |
| * Returns the {@code subject} (subject distinguished name) as an {@code |
| * X500Principal}. |
| * |
| * @return the {@code subject} (subject distinguished name) |
| */ |
| public X500Principal getSubjectX500Principal() { |
| |
| try { |
| // TODO if there is no X.509 certificate provider installed |
| // should we try to access Harmony X509CertImpl via classForName? |
| CertificateFactory factory = CertificateFactory |
| .getInstance("X.509"); |
| |
| X509Certificate cert = (X509Certificate) factory |
| .generateCertificate(new ByteArrayInputStream(getEncoded())); |
| |
| return cert.getSubjectX500Principal(); |
| } catch (Exception e) { |
| throw new RuntimeException("Failed to get X500Principal subject", e); |
| } |
| } |
| |
| /** |
| * Returns the {@code notBefore} date from the validity period of the |
| * certificate. |
| * |
| * @return the start of the validity period. |
| */ |
| public abstract Date getNotBefore(); |
| |
| /** |
| * Returns the {@code notAfter} date of the validity period of the |
| * certificate. |
| * |
| * @return the end of the validity period. |
| */ |
| public abstract Date getNotAfter(); |
| |
| /** |
| * Returns the {@code tbsCertificate} information from this certificate in |
| * DER-encoded format. |
| * |
| * @return the DER-encoded certificate information. |
| * @throws CertificateEncodingException |
| * if an error occurs in encoding |
| */ |
| public abstract byte[] getTBSCertificate() |
| throws CertificateEncodingException; |
| |
| /** |
| * Returns the raw signature bits from the certificate. |
| * |
| * @return the raw signature bits from the certificate. |
| */ |
| public abstract byte[] getSignature(); |
| |
| /** |
| * Returns the name of the algorithm for the certificate signature. |
| * |
| * @return the signature algorithm name. |
| */ |
| public abstract String getSigAlgName(); |
| |
| /** |
| * Returns the OID of the signature algorithm from the certificate. |
| * |
| * @return the OID of the signature algorithm. |
| */ |
| public abstract String getSigAlgOID(); |
| |
| /** |
| * Returns the parameters of the signature algorithm in DER-encoded format. |
| * |
| * @return the parameters of the signature algorithm, or {@code null} if |
| * none are used. |
| */ |
| public abstract byte[] getSigAlgParams(); |
| |
| /** |
| * Returns the {@code issuerUniqueID} from the certificate. |
| * |
| * @return the {@code issuerUniqueID} or {@code null} if there's none in the |
| * certificate. |
| */ |
| public abstract boolean[] getIssuerUniqueID(); |
| |
| /** |
| * Returns the {@code subjectUniqueID} from the certificate. |
| * |
| * @return the {@code subjectUniqueID} or null if there's none in the |
| * certificate. |
| */ |
| public abstract boolean[] getSubjectUniqueID(); |
| |
| /** |
| * Returns the {@code KeyUsage} extension as a {@code boolean} array. |
| * <p> |
| * The ASN.1 definition of {@code KeyUsage}: |
| * |
| * <pre> |
| * KeyUsage ::= BIT STRING { |
| * digitalSignature (0), |
| * nonRepudiation (1), |
| * keyEncipherment (2), |
| * dataEncipherment (3), |
| * keyAgreement (4), |
| * keyCertSign (5), |
| * cRLSign (6), |
| * encipherOnly (7), |
| * decipherOnly (8) } |
| * |
| * </pre> |
| * |
| * @return the {@code KeyUsage} extension or {@code null} if there's none in |
| * the certificate. |
| */ |
| public abstract boolean[] getKeyUsage(); |
| |
| /** |
| * Returns a read-only list of OID strings representing the {@code |
| * ExtKeyUsageSyntax} field of the extended key usage extension. |
| * |
| * @return the extended key usage extension, or {@code null} if there's none |
| * in the certificate. |
| * @throws CertificateParsingException |
| * if the extension decoding fails. |
| */ |
| public List<String> getExtendedKeyUsage() |
| throws CertificateParsingException { |
| return null; |
| } |
| |
| /** |
| * Returns the path length of the certificate constraints from the {@code |
| * BasicContraints} extension. |
| * |
| * If the certificate has no basic constraints or is not a |
| * certificate authority, {@code -1} is returned. If the |
| * certificate is a certificate authority without a path length, |
| * {@code Integer.MAX_VALUE} is returned. Otherwise, the |
| * certificate authority's path length is returned. |
| */ |
| public abstract int getBasicConstraints(); |
| |
| /** |
| * Returns a read-only list of the subject alternative names from the |
| * {@code SubjectAltName} extension. |
| * <p> |
| * The ASN.1 definition of {@code SubjectAltName}: |
| * |
| * <pre> |
| * SubjectAltName ::= GeneralNames |
| * |
| * GeneralNames ::= SEQUENCE SIZE (1..MAX) OF GeneralName |
| * |
| * GeneralName ::= CHOICE { |
| * otherName [0] AnotherName, |
| * rfc822Name [1] IA5String, |
| * dNSName [2] IA5String, |
| * x400Address [3] ORAddress, |
| * directoryName [4] Name, |
| * ediPartyName [5] EDIPartyName, |
| * uniformResourceIdentifier [6] IA5String, |
| * iPAddress [7] OCTET STRING, |
| * registeredID [8] OBJECT IDENTIFIER } |
| * |
| * </pre> |
| * |
| * @return the subject alternative names or {@code null} if there are none |
| * in the certificate. |
| * @throws CertificateParsingException |
| * if decoding of the extension fails. |
| */ |
| public Collection<List<?>> getSubjectAlternativeNames() |
| throws CertificateParsingException { |
| return null; |
| } |
| |
| /** |
| * Returns a read-only list of the issuer alternative names from the {@code |
| * IssuerAltName} extension. |
| * <p> |
| * The ASN.1 definition of {@code IssuerAltName}: |
| * |
| * <pre> |
| * IssuerAltName ::= GeneralNames |
| * |
| * GeneralNames ::= SEQUENCE SIZE (1..MAX) OF GeneralName |
| * |
| * GeneralName ::= CHOICE { |
| * otherName [0] AnotherName, |
| * rfc822Name [1] IA5String, |
| * dNSName [2] IA5String, |
| * x400Address [3] ORAddress, |
| * directoryName [4] Name, |
| * ediPartyName [5] EDIPartyName, |
| * uniformResourceIdentifier [6] IA5String, |
| * iPAddress [7] OCTET STRING, |
| * registeredID [8] OBJECT IDENTIFIER } |
| * |
| * </pre> |
| * |
| * @return the issuer alternative names of {@code null} if there are none in |
| * the certificate. |
| * @throws CertificateParsingException |
| * if decoding of the extension fails. |
| */ |
| public Collection<List<?>> getIssuerAlternativeNames() |
| throws CertificateParsingException { |
| return null; |
| } |
| } |