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package org.bouncycastle.cert.ocsp;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Encoding;
import org.bouncycastle.asn1.DERBitString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.ocsp.OCSPRequest;
import org.bouncycastle.asn1.ocsp.Request;
import org.bouncycastle.asn1.ocsp.Signature;
import org.bouncycastle.asn1.ocsp.TBSRequest;
import org.bouncycastle.asn1.x500.X500Name;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.asn1.x509.Extensions;
import org.bouncycastle.asn1.x509.GeneralName;
import org.bouncycastle.cert.X509CertificateHolder;
import org.bouncycastle.operator.ContentSigner;
public class OCSPReqBuilder
{
private List list = new ArrayList();
private GeneralName requestorName = null;
private Extensions requestExtensions = null;
private class RequestObject
{
CertificateID certId;
Extensions extensions;
public RequestObject(
CertificateID certId,
Extensions extensions)
{
this.certId = certId;
this.extensions = extensions;
}
public Request toRequest()
throws Exception
{
return new Request(certId.toASN1Object(), extensions);
}
}
/**
* Add a request for the given CertificateID.
*
* @param certId certificate ID of interest
*/
public OCSPReqBuilder addRequest(
CertificateID certId)
{
list.add(new RequestObject(certId, null));
return this;
}
/**
* Add a request with extensions
*
* @param certId certificate ID of interest
* @param singleRequestExtensions the extensions to attach to the request
*/
public OCSPReqBuilder addRequest(
CertificateID certId,
Extensions singleRequestExtensions)
{
list.add(new RequestObject(certId, singleRequestExtensions));
return this;
}
/**
* Set the requestor name to the passed in X500Principal
*
* @param requestorName a X500Principal representing the requestor name.
*/
public OCSPReqBuilder setRequestorName(
X500Name requestorName)
{
this.requestorName = new GeneralName(GeneralName.directoryName, requestorName);
return this;
}
public OCSPReqBuilder setRequestorName(
GeneralName requestorName)
{
this.requestorName = requestorName;
return this;
}
public OCSPReqBuilder setRequestExtensions(
Extensions requestExtensions)
{
this.requestExtensions = requestExtensions;
return this;
}
private OCSPReq generateRequest(
ContentSigner contentSigner,
X509CertificateHolder[] chain)
throws OCSPException
{
Iterator it = list.iterator();
ASN1EncodableVector requests = new ASN1EncodableVector();
while (it.hasNext())
{
try
{
requests.add(((RequestObject)it.next()).toRequest());
}
catch (Exception e)
{
throw new OCSPException("exception creating Request", e);
}
}
TBSRequest tbsReq = new TBSRequest(requestorName, new DERSequence(requests), requestExtensions);
Signature signature = null;
if (contentSigner != null)
{
if (requestorName == null)
{
throw new OCSPException("requestorName must be specified if request is signed.");
}
try
{
OutputStream sOut = contentSigner.getOutputStream();
sOut.write(tbsReq.getEncoded(ASN1Encoding.DER));
sOut.close();
}
catch (Exception e)
{
throw new OCSPException("exception processing TBSRequest: " + e, e);
}
DERBitString bitSig = new DERBitString(contentSigner.getSignature());
AlgorithmIdentifier sigAlgId = contentSigner.getAlgorithmIdentifier();
if (chain != null && chain.length > 0)
{
ASN1EncodableVector v = new ASN1EncodableVector();
for (int i = 0; i != chain.length; i++)
{
v.add(chain[i].toASN1Structure());
}
signature = new Signature(sigAlgId, bitSig, new DERSequence(v));
}
else
{
signature = new Signature(sigAlgId, bitSig);
}
}
return new OCSPReq(new OCSPRequest(tbsReq, signature));
}
/**
* Generate an unsigned request
*
* @return the OCSPReq
* @throws org.bouncycastle.ocsp.OCSPException
*/
public OCSPReq build()
throws OCSPException
{
return generateRequest(null, null);
}
public OCSPReq build(
ContentSigner signer,
X509CertificateHolder[] chain)
throws OCSPException, IllegalArgumentException
{
if (signer == null)
{
throw new IllegalArgumentException("no signer specified");
}
return generateRequest(signer, chain);
}
}
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