diff options
Diffstat (limited to 'libraries/spongycastle/pkix/src/main/java/org/spongycastle/cert/ocsp/BasicOCSPRespBuilder.java')
| -rw-r--r-- | libraries/spongycastle/pkix/src/main/java/org/spongycastle/cert/ocsp/BasicOCSPRespBuilder.java | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cert/ocsp/BasicOCSPRespBuilder.java b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cert/ocsp/BasicOCSPRespBuilder.java new file mode 100644 index 000000000..32b50d1cf --- /dev/null +++ b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cert/ocsp/BasicOCSPRespBuilder.java @@ -0,0 +1,264 @@ +package org.spongycastle.cert.ocsp; + +import java.io.OutputStream; +import java.util.ArrayList; +import java.util.Date; +import java.util.Iterator; +import java.util.List; + +import org.spongycastle.asn1.ASN1EncodableVector; +import org.spongycastle.asn1.ASN1Encoding; +import org.spongycastle.asn1.ASN1GeneralizedTime; +import org.spongycastle.asn1.DERBitString; +import org.spongycastle.asn1.DERGeneralizedTime; +import org.spongycastle.asn1.DERNull; +import org.spongycastle.asn1.DERSequence; +import org.spongycastle.asn1.ocsp.BasicOCSPResponse; +import org.spongycastle.asn1.ocsp.CertStatus; +import org.spongycastle.asn1.ocsp.ResponseData; +import org.spongycastle.asn1.ocsp.RevokedInfo; +import org.spongycastle.asn1.ocsp.SingleResponse; +import org.spongycastle.asn1.x509.AlgorithmIdentifier; +import org.spongycastle.asn1.x509.CRLReason; +import org.spongycastle.asn1.x509.Extensions; +import org.spongycastle.asn1.x509.SubjectPublicKeyInfo; +import org.spongycastle.cert.X509CertificateHolder; +import org.spongycastle.operator.ContentSigner; +import org.spongycastle.operator.DigestCalculator; + +/** + * Generator for basic OCSP response objects. + */ +public class BasicOCSPRespBuilder +{ + private List list = new ArrayList(); + private Extensions responseExtensions = null; + private RespID responderID; + + private class ResponseObject + { + CertificateID certId; + CertStatus certStatus; + DERGeneralizedTime thisUpdate; + DERGeneralizedTime nextUpdate; + Extensions extensions; + + public ResponseObject( + CertificateID certId, + CertificateStatus certStatus, + Date thisUpdate, + Date nextUpdate, + Extensions extensions) + { + this.certId = certId; + + if (certStatus == null) + { + this.certStatus = new CertStatus(); + } + else if (certStatus instanceof UnknownStatus) + { + this.certStatus = new CertStatus(2, DERNull.INSTANCE); + } + else + { + RevokedStatus rs = (RevokedStatus)certStatus; + + if (rs.hasRevocationReason()) + { + this.certStatus = new CertStatus( + new RevokedInfo(new ASN1GeneralizedTime(rs.getRevocationTime()), CRLReason.lookup(rs.getRevocationReason()))); + } + else + { + this.certStatus = new CertStatus( + new RevokedInfo(new ASN1GeneralizedTime(rs.getRevocationTime()), null)); + } + } + + this.thisUpdate = new DERGeneralizedTime(thisUpdate); + + if (nextUpdate != null) + { + this.nextUpdate = new DERGeneralizedTime(nextUpdate); + } + else + { + this.nextUpdate = null; + } + + this.extensions = extensions; + } + + public SingleResponse toResponse() + throws Exception + { + return new SingleResponse(certId.toASN1Object(), certStatus, thisUpdate, nextUpdate, extensions); + } + } + + /** + * basic constructor + */ + public BasicOCSPRespBuilder( + RespID responderID) + { + this.responderID = responderID; + } + + /** + * construct with the responderID to be the SHA-1 keyHash of the passed in public key. + * + * @param key the key info of the responder public key. + * @param digCalc a SHA-1 digest calculator + */ + public BasicOCSPRespBuilder( + SubjectPublicKeyInfo key, + DigestCalculator digCalc) + throws OCSPException + { + this.responderID = new RespID(key, digCalc); + } + + /** + * Add a response for a particular Certificate ID. + * + * @param certID certificate ID details + * @param certStatus status of the certificate - null if okay + */ + public BasicOCSPRespBuilder addResponse( + CertificateID certID, + CertificateStatus certStatus) + { + list.add(new ResponseObject(certID, certStatus, new Date(), null, null)); + + return this; + } + + /** + * Add a response for a particular Certificate ID. + * + * @param certID certificate ID details + * @param certStatus status of the certificate - null if okay + * @param singleExtensions optional extensions + */ + public BasicOCSPRespBuilder addResponse( + CertificateID certID, + CertificateStatus certStatus, + Extensions singleExtensions) + { + list.add(new ResponseObject(certID, certStatus, new Date(), null, singleExtensions)); + + return this; + } + + /** + * Add a response for a particular Certificate ID. + * + * @param certID certificate ID details + * @param nextUpdate date when next update should be requested + * @param certStatus status of the certificate - null if okay + * @param singleExtensions optional extensions + */ + public BasicOCSPRespBuilder addResponse( + CertificateID certID, + CertificateStatus certStatus, + Date nextUpdate, + Extensions singleExtensions) + { + list.add(new ResponseObject(certID, certStatus, new Date(), nextUpdate, singleExtensions)); + + return this; + } + + /** + * Add a response for a particular Certificate ID. + * + * @param certID certificate ID details + * @param thisUpdate date this response was valid on + * @param nextUpdate date when next update should be requested + * @param certStatus status of the certificate - null if okay + * @param singleExtensions optional extensions + */ + public BasicOCSPRespBuilder addResponse( + CertificateID certID, + CertificateStatus certStatus, + Date thisUpdate, + Date nextUpdate, + Extensions singleExtensions) + { + list.add(new ResponseObject(certID, certStatus, thisUpdate, nextUpdate, singleExtensions)); + + return this; + } + + /** + * Set the extensions for the response. + * + * @param responseExtensions the extension object to carry. + */ + public BasicOCSPRespBuilder setResponseExtensions( + Extensions responseExtensions) + { + this.responseExtensions = responseExtensions; + + return this; + } + + public BasicOCSPResp build( + ContentSigner signer, + X509CertificateHolder[] chain, + Date producedAt) + throws OCSPException + { + Iterator it = list.iterator(); + + ASN1EncodableVector responses = new ASN1EncodableVector(); + + while (it.hasNext()) + { + try + { + responses.add(((ResponseObject)it.next()).toResponse()); + } + catch (Exception e) + { + throw new OCSPException("exception creating Request", e); + } + } + + ResponseData tbsResp = new ResponseData(responderID.toASN1Object(), new ASN1GeneralizedTime(producedAt), new DERSequence(responses), responseExtensions); + DERBitString bitSig; + + try + { + OutputStream sigOut = signer.getOutputStream(); + + sigOut.write(tbsResp.getEncoded(ASN1Encoding.DER)); + sigOut.close(); + + bitSig = new DERBitString(signer.getSignature()); + } + catch (Exception e) + { + throw new OCSPException("exception processing TBSRequest: " + e.getMessage(), e); + } + + AlgorithmIdentifier sigAlgId = signer.getAlgorithmIdentifier(); + + DERSequence chainSeq = null; + if (chain != null && chain.length > 0) + { + ASN1EncodableVector v = new ASN1EncodableVector(); + + for (int i = 0; i != chain.length; i++) + { + v.add(chain[i].toASN1Structure()); + } + + chainSeq = new DERSequence(v); + } + + return new BasicOCSPResp(new BasicOCSPResponse(tbsResp, sigAlgId, bitSig, chainSeq)); + } +} |