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package io.gatling.recorder.internal.bouncycastle.tsp;
import java.io.IOException;
import java.io.OutputStream;
import java.math.BigInteger;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.SimpleTimeZone;
import io.gatling.recorder.internal.bouncycastle.asn1.ASN1Boolean;
import io.gatling.recorder.internal.bouncycastle.asn1.ASN1Encoding;
import io.gatling.recorder.internal.bouncycastle.asn1.ASN1GeneralizedTime;
import io.gatling.recorder.internal.bouncycastle.asn1.ASN1Integer;
import io.gatling.recorder.internal.bouncycastle.asn1.ASN1ObjectIdentifier;
import io.gatling.recorder.internal.bouncycastle.asn1.LocaleUtil;
import io.gatling.recorder.internal.bouncycastle.asn1.cms.AttributeTable;
import io.gatling.recorder.internal.bouncycastle.asn1.ess.ESSCertID;
import io.gatling.recorder.internal.bouncycastle.asn1.ess.ESSCertIDv2;
import io.gatling.recorder.internal.bouncycastle.asn1.ess.SigningCertificate;
import io.gatling.recorder.internal.bouncycastle.asn1.ess.SigningCertificateV2;
import io.gatling.recorder.internal.bouncycastle.asn1.oiw.OIWObjectIdentifiers;
import io.gatling.recorder.internal.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
import io.gatling.recorder.internal.bouncycastle.asn1.tsp.Accuracy;
import io.gatling.recorder.internal.bouncycastle.asn1.tsp.MessageImprint;
import io.gatling.recorder.internal.bouncycastle.asn1.tsp.TSTInfo;
import io.gatling.recorder.internal.bouncycastle.asn1.x509.AlgorithmIdentifier;
import io.gatling.recorder.internal.bouncycastle.asn1.x509.Extensions;
import io.gatling.recorder.internal.bouncycastle.asn1.x509.ExtensionsGenerator;
import io.gatling.recorder.internal.bouncycastle.asn1.x509.GeneralName;
import io.gatling.recorder.internal.bouncycastle.asn1.x509.GeneralNames;
import io.gatling.recorder.internal.bouncycastle.asn1.x509.IssuerSerial;
import io.gatling.recorder.internal.bouncycastle.cert.X509CertificateHolder;
import io.gatling.recorder.internal.bouncycastle.cms.CMSAttributeTableGenerationException;
import io.gatling.recorder.internal.bouncycastle.cms.CMSAttributeTableGenerator;
import io.gatling.recorder.internal.bouncycastle.cms.CMSException;
import io.gatling.recorder.internal.bouncycastle.cms.CMSProcessableByteArray;
import io.gatling.recorder.internal.bouncycastle.cms.CMSSignedData;
import io.gatling.recorder.internal.bouncycastle.cms.CMSSignedDataGenerator;
import io.gatling.recorder.internal.bouncycastle.cms.SignerInfoGenerator;
import io.gatling.recorder.internal.bouncycastle.operator.DigestCalculator;
import io.gatling.recorder.internal.bouncycastle.util.CollectionStore;
import io.gatling.recorder.internal.bouncycastle.util.Store;
/**
* Currently the class supports ESSCertID by if a digest calculator based on SHA1 is passed in, otherwise it uses
* ESSCertIDv2. In the event you need to pass both types, you will need to override the SignedAttributeGenerator
* for the SignerInfoGeneratorBuilder you are using. For the default for ESSCertIDv2 the code will look something
* like the following:
*
* final ESSCertID essCertid = new ESSCertID(certHashSha1, issuerSerial);
* final ESSCertIDv2 essCertidV2 = new ESSCertIDv2(certHashSha256, issuerSerial);
*
* signerInfoGenBuilder.setSignedAttributeGenerator(new CMSAttributeTableGenerator()
* {
* public AttributeTable getAttributes(Map parameters)
* throws CMSAttributeTableGenerationException
* {
* CMSAttributeTableGenerator attrGen = new DefaultSignedAttributeTableGenerator();
*
* AttributeTable table = attrGen.getAttributes(parameters);
*
* table = table.add(PKCSObjectIdentifiers.id_aa_signingCertificate, new SigningCertificate(essCertid));
* table = table.add(PKCSObjectIdentifiers.id_aa_signingCertificateV2, new SigningCertificateV2(essCertidV2));
*
* return table;
* }
* });
*
*/
public class TimeStampTokenGenerator
{
/**
* Create time-stamps with a resolution of 1 second (the default).
*/
public static final int R_SECONDS = 0;
/**
* Create time-stamps with a resolution of 1 tenth of a second.
*/
public static final int R_TENTHS_OF_SECONDS = 1;
/**
* Create time-stamps with a resolution of 1 hundredth of a second.
*/
public static final int R_HUNDREDTHS_OF_SECONDS = 2;
/**
* @deprecated use R_HUNDREDTHS_OF_SECONDS - this field will be deleted!!
*/
public static final int R_MICROSECONDS = 2;
/**
* Create time-stamps with a resolution of 1 millisecond.
*/
public static final int R_MILLISECONDS = 3;
private int resolution = R_SECONDS;
private Locale locale = null; // default locale
private int accuracySeconds = -1;
private int accuracyMillis = -1;
private int accuracyMicros = -1;
boolean ordering = false;
GeneralName tsa = null;
private ASN1ObjectIdentifier tsaPolicyOID;
private List certs = new ArrayList();
private List crls = new ArrayList();
private List attrCerts = new ArrayList();
private Map otherRevoc = new HashMap();
private SignerInfoGenerator signerInfoGen;
/**
* Basic Constructor - set up a calculator based on signerInfoGen with a ESSCertID calculated from
* the signer's associated certificate using the sha1DigestCalculator. If alternate values are required
* for id-aa-signingCertificate they should be added to the signerInfoGen object before it is passed in,
* otherwise a standard digest based value will be added.
*
* @param signerInfoGen the generator for the signer we are using.
* @param digestCalculator calculator for to use for digest of certificate.
* @param tsaPolicy tasPolicy to send.
* @throws IllegalArgumentException if calculator is not SHA-1 or there is no associated certificate for the signer,
* @throws TSPException if the signer certificate cannot be processed.
*/
public TimeStampTokenGenerator(
final SignerInfoGenerator signerInfoGen,
DigestCalculator digestCalculator,
ASN1ObjectIdentifier tsaPolicy)
throws IllegalArgumentException, TSPException
{
this(signerInfoGen, digestCalculator, tsaPolicy, false);
}
/**
* Basic Constructor - set up a calculator based on signerInfoGen with a ESSCertID calculated from
* the signer's associated certificate using the sha1DigestCalculator. If alternate values are required
* for id-aa-signingCertificate they should be added to the signerInfoGen object before it is passed in,
* otherwise a standard digest based value will be added.
*
* @param signerInfoGen the generator for the signer we are using.
* @param digestCalculator calculator for to use for digest of certificate.
* @param tsaPolicy tasPolicy to send.
* @param isIssuerSerialIncluded should issuerSerial be included in the ESSCertIDs, true if yes, by default false.
* @throws IllegalArgumentException if calculator is not SHA-1 or there is no associated certificate for the signer,
* @throws TSPException if the signer certificate cannot be processed.
*/
public TimeStampTokenGenerator(
final SignerInfoGenerator signerInfoGen,
DigestCalculator digestCalculator,
ASN1ObjectIdentifier tsaPolicy,
boolean isIssuerSerialIncluded)
throws IllegalArgumentException, TSPException
{
this.signerInfoGen = signerInfoGen;
this.tsaPolicyOID = tsaPolicy;
if (!signerInfoGen.hasAssociatedCertificate())
{
throw new IllegalArgumentException("SignerInfoGenerator must have an associated certificate");
}
X509CertificateHolder assocCert = signerInfoGen.getAssociatedCertificate();
TSPUtil.validateCertificate(assocCert);
try
{
OutputStream dOut = digestCalculator.getOutputStream();
dOut.write(assocCert.getEncoded());
dOut.close();
if (digestCalculator.getAlgorithmIdentifier().getAlgorithm().equals(OIWObjectIdentifiers.idSHA1))
{
final ESSCertID essCertid = new ESSCertID(digestCalculator.getDigest(),
isIssuerSerialIncluded ? new IssuerSerial(new GeneralNames(new GeneralName(assocCert.getIssuer())), assocCert.getSerialNumber())
: null);
this.signerInfoGen = new SignerInfoGenerator(signerInfoGen, new CMSAttributeTableGenerator()
{
public AttributeTable getAttributes(Map parameters)
throws CMSAttributeTableGenerationException
{
AttributeTable table = signerInfoGen.getSignedAttributeTableGenerator().getAttributes(parameters);
if (table.get(PKCSObjectIdentifiers.id_aa_signingCertificate) == null)
{
return table.add(PKCSObjectIdentifiers.id_aa_signingCertificate, new SigningCertificate(essCertid));
}
return table;
}
}, signerInfoGen.getUnsignedAttributeTableGenerator());
}
else
{
AlgorithmIdentifier digAlgID = new AlgorithmIdentifier(digestCalculator.getAlgorithmIdentifier().getAlgorithm());
final ESSCertIDv2 essCertid = new ESSCertIDv2(digAlgID, digestCalculator.getDigest(),
isIssuerSerialIncluded ? new IssuerSerial(new GeneralNames(new GeneralName(assocCert.getIssuer())), new ASN1Integer(assocCert.getSerialNumber()))
: null);
this.signerInfoGen = new SignerInfoGenerator(signerInfoGen, new CMSAttributeTableGenerator()
{
public AttributeTable getAttributes(Map parameters)
throws CMSAttributeTableGenerationException
{
AttributeTable table = signerInfoGen.getSignedAttributeTableGenerator().getAttributes(parameters);
if (table.get(PKCSObjectIdentifiers.id_aa_signingCertificateV2) == null)
{
return table.add(PKCSObjectIdentifiers.id_aa_signingCertificateV2, new SigningCertificateV2(essCertid));
}
return table;
}
}, signerInfoGen.getUnsignedAttributeTableGenerator());
}
}
catch (IOException e)
{
throw new TSPException("Exception processing certificate.", e);
}
}
/**
* Add the store of X509 Certificates to the generator.
*
* @param certStore a Store containing X509CertificateHolder objects
*/
public void addCertificates(
Store certStore)
{
certs.addAll(certStore.getMatches(null));
}
/**
*
* @param crlStore a Store containing X509CRLHolder objects.
*/
public void addCRLs(
Store crlStore)
{
crls.addAll(crlStore.getMatches(null));
}
/**
*
* @param attrStore a Store containing X509AttributeCertificate objects.
*/
public void addAttributeCertificates(
Store attrStore)
{
attrCerts.addAll(attrStore.getMatches(null));
}
/**
* Add a Store of otherRevocationData to the CRL set to be included with the generated TimeStampToken.
*
* @param otherRevocationInfoFormat the OID specifying the format of the otherRevocationInfo data.
* @param otherRevocationInfos a Store of otherRevocationInfo data to add.
*/
public void addOtherRevocationInfo(
ASN1ObjectIdentifier otherRevocationInfoFormat,
Store otherRevocationInfos)
{
otherRevoc.put(otherRevocationInfoFormat, otherRevocationInfos.getMatches(null));
}
/**
* Set the resolution of the time stamp - R_SECONDS (the default), R_TENTH_OF_SECONDS, R_MICROSECONDS, R_MILLISECONDS
*
* @param resolution resolution of timestamps to be produced.
*/
public void setResolution(int resolution)
{
this.resolution = resolution;
}
/**
* Set a Locale for time creation - you may need to use this if the default locale
* doesn't use a Gregorian calender so that the GeneralizedTime produced is compatible with other ASN.1 implementations.
*
* @param locale a locale to use for converting system time into a GeneralizedTime.
*/
public void setLocale(Locale locale)
{
this.locale = locale;
}
public void setAccuracySeconds(int accuracySeconds)
{
this.accuracySeconds = accuracySeconds;
}
public void setAccuracyMillis(int accuracyMillis)
{
this.accuracyMillis = accuracyMillis;
}
public void setAccuracyMicros(int accuracyMicros)
{
this.accuracyMicros = accuracyMicros;
}
public void setOrdering(boolean ordering)
{
this.ordering = ordering;
}
public void setTSA(GeneralName tsa)
{
this.tsa = tsa;
}
/**
* Generate a TimeStampToken for the passed in request and serialNumber marking it with the passed in genTime.
*
* @param request the originating request.
* @param serialNumber serial number for the TimeStampToken
* @param genTime token generation time.
* @return a TimeStampToken
* @throws TSPException
*/
public TimeStampToken generate(
TimeStampRequest request,
BigInteger serialNumber,
Date genTime)
throws TSPException
{
return generate(request, serialNumber, genTime, null);
}
/**
* Generate a TimeStampToken for the passed in request and serialNumber marking it with the passed in genTime.
*
* @param request the originating request.
* @param serialNumber serial number for the TimeStampToken
* @param genTime token generation time.
* @param additionalExtensions extra extensions to be added to the response token.
* @return a TimeStampToken
* @throws TSPException
*/
public TimeStampToken generate(
TimeStampRequest request,
BigInteger serialNumber,
Date genTime,
Extensions additionalExtensions)
throws TSPException
{
AlgorithmIdentifier algID = request.getMessageImprintAlgID();
MessageImprint messageImprint = new MessageImprint(algID, request.getMessageImprintDigest());
Accuracy accuracy = null;
if (accuracySeconds > 0 || accuracyMillis > 0 || accuracyMicros > 0)
{
ASN1Integer seconds = null;
if (accuracySeconds > 0)
{
seconds = new ASN1Integer(accuracySeconds);
}
ASN1Integer millis = null;
if (accuracyMillis > 0)
{
millis = new ASN1Integer(accuracyMillis);
}
ASN1Integer micros = null;
if (accuracyMicros > 0)
{
micros = new ASN1Integer(accuracyMicros);
}
accuracy = new Accuracy(seconds, millis, micros);
}
ASN1Boolean derOrdering = null;
if (ordering)
{
derOrdering = ASN1Boolean.getInstance(ordering);
}
ASN1Integer nonce = null;
if (request.getNonce() != null)
{
nonce = new ASN1Integer(request.getNonce());
}
ASN1ObjectIdentifier tsaPolicy = tsaPolicyOID;
if (request.getReqPolicy() != null)
{
tsaPolicy = request.getReqPolicy();
}
Extensions respExtensions = request.getExtensions();
if (additionalExtensions != null)
{
ExtensionsGenerator extGen = new ExtensionsGenerator();
if (respExtensions != null)
{
for (Enumeration en = respExtensions.oids(); en.hasMoreElements(); )
{
extGen.addExtension(respExtensions.getExtension(ASN1ObjectIdentifier.getInstance(en.nextElement())));
}
}
for (Enumeration en = additionalExtensions.oids(); en.hasMoreElements(); )
{
extGen.addExtension(additionalExtensions.getExtension(ASN1ObjectIdentifier.getInstance(en.nextElement())));
}
respExtensions = extGen.generate();
}
ASN1GeneralizedTime timeStampTime;
if (resolution == R_SECONDS)
{
timeStampTime = (locale == null) ? new ASN1GeneralizedTime(genTime) : new ASN1GeneralizedTime(genTime, locale);
}
else
{
timeStampTime = createGeneralizedTime(genTime);
}
TSTInfo tstInfo = new TSTInfo(tsaPolicy,
messageImprint, new ASN1Integer(serialNumber),
timeStampTime, accuracy, derOrdering,
nonce, tsa, respExtensions);
try
{
CMSSignedDataGenerator signedDataGenerator = new CMSSignedDataGenerator();
if (request.getCertReq())
{
// TODO: do we need to check certs non-empty?
signedDataGenerator.addCertificates(new CollectionStore(certs));
signedDataGenerator.addAttributeCertificates(new CollectionStore(attrCerts));
}
signedDataGenerator.addCRLs(new CollectionStore(crls));
if (!otherRevoc.isEmpty())
{
for (Iterator it = otherRevoc.keySet().iterator(); it.hasNext();)
{
ASN1ObjectIdentifier format = (ASN1ObjectIdentifier)it.next();
signedDataGenerator.addOtherRevocationInfo(format, new CollectionStore((Collection)otherRevoc.get(format)));
}
}
signedDataGenerator.addSignerInfoGenerator(signerInfoGen);
byte[] derEncodedTSTInfo = tstInfo.getEncoded(ASN1Encoding.DER);
CMSSignedData signedData = signedDataGenerator.generate(new CMSProcessableByteArray(PKCSObjectIdentifiers.id_ct_TSTInfo, derEncodedTSTInfo), true);
return new TimeStampToken(signedData);
}
catch (CMSException cmsEx)
{
throw new TSPException("Error generating time-stamp token", cmsEx);
}
catch (IOException e)
{
throw new TSPException("Exception encoding info", e);
}
}
// we need to produce a correct DER encoding GeneralizedTime here as the BC ASN.1 library doesn't handle this properly yet.
private ASN1GeneralizedTime createGeneralizedTime(Date time)
throws TSPException
{
String format = "yyyyMMddHHmmss.SSS";
SimpleDateFormat dateF = (locale == null) ? new SimpleDateFormat(format, LocaleUtil.EN_Locale) : new SimpleDateFormat(format, locale);
dateF.setTimeZone(new SimpleTimeZone(0, "Z"));
StringBuilder sBuild = new StringBuilder(dateF.format(time));
int dotIndex = sBuild.indexOf(".");
if (dotIndex < 0)
{
// came back in seconds only, just return
sBuild.append("Z");
return new ASN1GeneralizedTime(sBuild.toString());
}
// trim to resolution
switch (resolution)
{
case R_TENTHS_OF_SECONDS:
if (sBuild.length() > dotIndex + 2)
{
sBuild.delete(dotIndex + 2, sBuild.length());
}
break;
case R_HUNDREDTHS_OF_SECONDS:
if (sBuild.length() > dotIndex + 3)
{
sBuild.delete(dotIndex + 3, sBuild.length());
}
break;
case R_MILLISECONDS:
// do nothing
break;
default:
throw new TSPException("unknown time-stamp resolution: " + resolution);
}
// remove trailing zeros
while (sBuild.charAt(sBuild.length() - 1) == '0')
{
sBuild.deleteCharAt(sBuild.length() - 1);
}
if (sBuild.length() - 1 == dotIndex)
{
sBuild.deleteCharAt(sBuild.length() - 1);
}
sBuild.append("Z");
return new ASN1GeneralizedTime(sBuild.toString());
}
}
