io.gatling.recorder.internal.bouncycastle.cert.X509CRLHolder Maven / Gradle / Ivy
package io.gatling.recorder.internal.bouncycastle.cert;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.io.Serializable;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.Enumeration;
import java.util.List;
import java.util.Set;
import io.gatling.recorder.internal.bouncycastle.asn1.ASN1EncodableVector;
import io.gatling.recorder.internal.bouncycastle.asn1.ASN1Encoding;
import io.gatling.recorder.internal.bouncycastle.asn1.ASN1InputStream;
import io.gatling.recorder.internal.bouncycastle.asn1.ASN1Integer;
import io.gatling.recorder.internal.bouncycastle.asn1.ASN1ObjectIdentifier;
import io.gatling.recorder.internal.bouncycastle.asn1.ASN1Primitive;
import io.gatling.recorder.internal.bouncycastle.asn1.ASN1Sequence;
import io.gatling.recorder.internal.bouncycastle.asn1.DERSequence;
import io.gatling.recorder.internal.bouncycastle.asn1.x500.X500Name;
import io.gatling.recorder.internal.bouncycastle.asn1.x509.AlgorithmIdentifier;
import io.gatling.recorder.internal.bouncycastle.asn1.x509.AltSignatureAlgorithm;
import io.gatling.recorder.internal.bouncycastle.asn1.x509.AltSignatureValue;
import io.gatling.recorder.internal.bouncycastle.asn1.x509.CertificateList;
import io.gatling.recorder.internal.bouncycastle.asn1.x509.Extension;
import io.gatling.recorder.internal.bouncycastle.asn1.x509.Extensions;
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.IssuingDistributionPoint;
import io.gatling.recorder.internal.bouncycastle.asn1.x509.TBSCertList;
import io.gatling.recorder.internal.bouncycastle.asn1.x509.Time;
import io.gatling.recorder.internal.bouncycastle.operator.ContentVerifier;
import io.gatling.recorder.internal.bouncycastle.operator.ContentVerifierProvider;
import io.gatling.recorder.internal.bouncycastle.util.Encodable;
/**
* Holding class for an X.509 CRL structure.
*/
public class X509CRLHolder
implements Encodable, Serializable
{
private static final long serialVersionUID = 20170722001L;
private transient CertificateList x509CRL;
private transient boolean isIndirect;
private transient Extensions extensions;
private transient GeneralNames issuerName;
private static CertificateList parseStream(InputStream stream)
throws IOException
{
try
{
ASN1Primitive obj = new ASN1InputStream(stream, true).readObject();
if (obj == null)
{
throw new IOException("no content found");
}
return CertificateList.getInstance(obj);
}
catch (ClassCastException e)
{
throw new CertIOException("malformed data: " + e.getMessage(), e);
}
catch (IllegalArgumentException e)
{
throw new CertIOException("malformed data: " + e.getMessage(), e);
}
}
private static boolean isIndirectCRL(Extensions extensions)
{
if (extensions == null)
{
return false;
}
Extension ext = extensions.getExtension(Extension.issuingDistributionPoint);
return ext != null && IssuingDistributionPoint.getInstance(ext.getParsedValue()).isIndirectCRL();
}
/**
* Create a X509CRLHolder from the passed in bytes.
*
* @param crlEncoding BER/DER encoding of the CRL
* @throws IOException in the event of corrupted data, or an incorrect structure.
*/
public X509CRLHolder(byte[] crlEncoding)
throws IOException
{
this(parseStream(new ByteArrayInputStream(crlEncoding)));
}
/**
* Create a X509CRLHolder from the passed in InputStream.
*
* @param crlStream BER/DER encoded InputStream of the CRL
* @throws IOException in the event of corrupted data, or an incorrect structure.
*/
public X509CRLHolder(InputStream crlStream)
throws IOException
{
this(parseStream(crlStream));
}
/**
* Create a X509CRLHolder from the passed in ASN.1 structure.
*
* @param x509CRL an ASN.1 CertificateList structure.
*/
public X509CRLHolder(CertificateList x509CRL)
{
init(x509CRL);
}
private void init(CertificateList x509CRL)
{
this.x509CRL = x509CRL;
this.extensions = x509CRL.getTBSCertList().getExtensions();
this.isIndirect = isIndirectCRL(extensions);
this.issuerName = new GeneralNames(new GeneralName(x509CRL.getIssuer()));
}
/**
* Return the ASN.1 encoding of this holder's CRL.
*
* @return a DER encoded byte array.
* @throws IOException if an encoding cannot be generated.
*/
public byte[] getEncoded()
throws IOException
{
return x509CRL.getEncoded();
}
/**
* Return the issuer of this holder's CRL.
*
* @return the CRL issuer.
*/
public X500Name getIssuer()
{
return X500Name.getInstance(x509CRL.getIssuer());
}
public Date getThisUpdate()
{
return x509CRL.getThisUpdate().getDate();
}
public Date getNextUpdate()
{
Time update = x509CRL.getNextUpdate();
if (update != null)
{
return update.getDate();
}
return null;
}
public X509CRLEntryHolder getRevokedCertificate(BigInteger serialNumber)
{
GeneralNames currentCA = issuerName;
for (Enumeration en = x509CRL.getRevokedCertificateEnumeration(); en.hasMoreElements(); )
{
TBSCertList.CRLEntry entry = (TBSCertList.CRLEntry)en.nextElement();
if (entry.getUserCertificate().hasValue(serialNumber))
{
return new X509CRLEntryHolder(entry, isIndirect, currentCA);
}
if (isIndirect && entry.hasExtensions())
{
Extension currentCaName = entry.getExtensions().getExtension(Extension.certificateIssuer);
if (currentCaName != null)
{
currentCA = GeneralNames.getInstance(currentCaName.getParsedValue());
}
}
}
return null;
}
/**
* Return a collection of X509CRLEntryHolder objects, giving the details of the
* revoked certificates that appear on this CRL.
*
* @return the revoked certificates as a collection of X509CRLEntryHolder objects.
*/
public Collection getRevokedCertificates()
{
TBSCertList.CRLEntry[] entries = x509CRL.getRevokedCertificates();
List l = new ArrayList(entries.length);
GeneralNames currentCA = issuerName;
for (Enumeration en = x509CRL.getRevokedCertificateEnumeration(); en.hasMoreElements(); )
{
TBSCertList.CRLEntry entry = (TBSCertList.CRLEntry)en.nextElement();
X509CRLEntryHolder crlEntry = new X509CRLEntryHolder(entry, isIndirect, currentCA);
l.add(crlEntry);
currentCA = crlEntry.getCertificateIssuer();
}
return l;
}
/**
* Return whether or not the holder's CRL contains extensions.
*
* @return true if extension are present, false otherwise.
*/
public boolean hasExtensions()
{
return extensions != null;
}
/**
* Look up the extension associated with the passed in OID.
*
* @param oid the OID of the extension of interest.
* @return the extension if present, null otherwise.
*/
public Extension getExtension(ASN1ObjectIdentifier oid)
{
if (extensions != null)
{
return extensions.getExtension(oid);
}
return null;
}
/**
* Return the extensions block associated with this CRL if there is one.
*
* @return the extensions block, null otherwise.
*/
public Extensions getExtensions()
{
return extensions;
}
/**
* Returns a list of ASN1ObjectIdentifier objects representing the OIDs of the
* extensions contained in this holder's CRL.
*
* @return a list of extension OIDs.
*/
public List getExtensionOIDs()
{
return CertUtils.getExtensionOIDs(extensions);
}
/**
* Returns a set of ASN1ObjectIdentifier objects representing the OIDs of the
* critical extensions contained in this holder's CRL.
*
* @return a set of critical extension OIDs.
*/
public Set getCriticalExtensionOIDs()
{
return CertUtils.getCriticalExtensionOIDs(extensions);
}
/**
* Returns a set of ASN1ObjectIdentifier objects representing the OIDs of the
* non-critical extensions contained in this holder's CRL.
*
* @return a set of non-critical extension OIDs.
*/
public Set getNonCriticalExtensionOIDs()
{
return CertUtils.getNonCriticalExtensionOIDs(extensions);
}
/**
* Return the underlying ASN.1 structure for the CRL in this holder.
*
* @return a CertificateList object.
*/
public CertificateList toASN1Structure()
{
return x509CRL;
}
/**
* Validate the signature on the CRL.
*
* @param verifierProvider a ContentVerifierProvider that can generate a verifier for the signature.
* @return true if the signature is valid, false otherwise.
* @throws CertException if the signature cannot be processed or is inappropriate.
*/
public boolean isSignatureValid(ContentVerifierProvider verifierProvider)
throws CertException
{
TBSCertList tbsCRL = x509CRL.getTBSCertList();
if (!CertUtils.isAlgIdEqual(tbsCRL.getSignature(), x509CRL.getSignatureAlgorithm()))
{
throw new CertException("signature invalid - algorithm identifier mismatch");
}
ContentVerifier verifier;
try
{
verifier = verifierProvider.get((tbsCRL.getSignature()));
OutputStream sOut = verifier.getOutputStream();
tbsCRL.encodeTo(sOut, ASN1Encoding.DER);
sOut.close();
}
catch (Exception e)
{
throw new CertException("unable to process signature: " + e.getMessage(), e);
}
return verifier.verify(x509CRL.getSignature().getOctets());
}
public boolean isAlternativeSignatureValid(ContentVerifierProvider verifierProvider)
throws CertException
{
TBSCertList tbsCrList = x509CRL.getTBSCertList();
AltSignatureAlgorithm altSigAlg = AltSignatureAlgorithm.fromExtensions(tbsCrList.getExtensions());
AltSignatureValue altSigValue = AltSignatureValue.fromExtensions(tbsCrList.getExtensions());
ContentVerifier verifier;
try
{
verifier = verifierProvider.get(AlgorithmIdentifier.getInstance(altSigAlg.toASN1Primitive()));
OutputStream sOut = verifier.getOutputStream();
ASN1Sequence tbsSeq = ASN1Sequence.getInstance(tbsCrList.toASN1Primitive());
ASN1EncodableVector v = new ASN1EncodableVector();
int start = 1; // want to skip signature field
if (tbsSeq.getObjectAt(0) instanceof ASN1Integer)
{
v.add(tbsSeq.getObjectAt(0));
start++;
}
for (int i = start; i != tbsSeq.size() - 1; i++)
{
v.add(tbsSeq.getObjectAt(i));
}
v.add(CertUtils.trimExtensions(0, tbsCrList.getExtensions()));
new DERSequence(v).encodeTo(sOut, ASN1Encoding.DER);
sOut.close();
}
catch (Exception e)
{
throw new CertException("unable to process signature: " + e.getMessage(), e);
}
return verifier.verify(altSigValue.getSignature().getOctets());
}
public boolean equals(
Object o)
{
if (o == this)
{
return true;
}
if (!(o instanceof X509CRLHolder))
{
return false;
}
X509CRLHolder other = (X509CRLHolder)o;
return this.x509CRL.equals(other.x509CRL);
}
public int hashCode()
{
return this.x509CRL.hashCode();
}
private void readObject(
ObjectInputStream in)
throws IOException, ClassNotFoundException
{
in.defaultReadObject();
init(CertificateList.getInstance(in.readObject()));
}
private void writeObject(
ObjectOutputStream out)
throws IOException
{
out.defaultWriteObject();
out.writeObject(this.getEncoded());
}
}