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instanceof will return false for null references, the null check is not needed.

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This commit is contained in:
Timo Briddigkeit 2016-07-15 09:39:50 +02:00
parent 90910518d6
commit 0ea2c458e7
1 changed files with 45 additions and 73 deletions
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118
components/certificate-mgt/org.wso2.carbon.certificate.mgt.core/src/main/java/org/wso2/carbon/certificate/mgt/core/impl/CertificateGenerator.java
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@ -46,14 +46,7 @@ import org.bouncycastle.operator.OperatorCreationException;
import org.bouncycastle.operator.jcajce.JcaContentSignerBuilder;
import org.bouncycastle.pkcs.PKCS10CertificationRequest;
import org.bouncycastle.util.Store;
import org.jscep.message.CertRep;
import org.jscep.message.MessageDecodingException;
import org.jscep.message.MessageEncodingException;
import org.jscep.message.PkcsPkiEnvelopeDecoder;
import org.jscep.message.PkcsPkiEnvelopeEncoder;
import org.jscep.message.PkiMessage;
import org.jscep.message.PkiMessageDecoder;
import org.jscep.message.PkiMessageEncoder;
import org.jscep.message.*;
import org.jscep.transaction.FailInfo;
import org.jscep.transaction.Nonce;
import org.jscep.transaction.TransactionId;
@ -72,31 +65,11 @@ import org.wso2.carbon.device.mgt.common.TransactionManagementException;
import javax.security.auth.x500.X500Principal;
import javax.xml.bind.DatatypeConverter;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.*;
import java.math.BigInteger;
import java.security.InvalidKeyException;
import java.security.KeyFactory;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.PrivateKey;
import java.security.SecureRandom;
import java.security.Security;
import java.security.SignatureException;
import java.security.*;
import java.security.cert.Certificate;
import java.security.cert.CertificateEncodingException;
import java.security.cert.CertificateException;
import java.security.cert.CertificateExpiredException;
import java.security.cert.CertificateFactory;
import java.security.cert.CertificateNotYetValidException;
import java.security.cert.X509Certificate;
import java.security.cert.*;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.PKCS8EncodedKeySpec;
import java.util.ArrayList;
@ -108,6 +81,46 @@ public class CertificateGenerator {
private static final Log log = LogFactory.getLog(CertificateGenerator.class);
public static String getCommonName(X509Certificate requestCertificate) {
String distinguishedName = requestCertificate.getSubjectDN().getName();
if (distinguishedName != null && !distinguishedName.isEmpty()) {
String[] dnSplits = distinguishedName.split(",");
for (String dnSplit : dnSplits) {
if (dnSplit.contains("CN=")) {
String[] cnSplits = dnSplit.split("=");
if (cnSplits[1] != null) {
return cnSplits[1];
}
}
}
}
return null;
}
public static void extractCertificateDetails(byte[] certificateBytes, CertificateResponse certificateResponse)
throws CertificateManagementDAOException {
try {
if (certificateBytes != null) {
java.security.cert.Certificate x509Certificate =
(java.security.cert.Certificate) Serializer.deserialize(certificateBytes);
if (x509Certificate instanceof X509Certificate) {
X509Certificate certificate = (X509Certificate) x509Certificate;
certificateResponse.setNotAfter(certificate.getNotAfter().getTime());
certificateResponse.setNotBefore(certificate.getNotBefore().getTime());
certificateResponse.setCertificateserial(certificate.getSerialNumber());
certificateResponse.setIssuer(certificate.getIssuerDN().getName());
certificateResponse.setSubject(certificate.getSubjectDN().getName());
certificateResponse.setCertificateVersion(certificate.getVersion());
}
}
} catch (ClassNotFoundException | IOException e) {
String errorMsg = "Error while deserializing the certificate.";
log.error(errorMsg, e);
throw new CertificateManagementDAOException(errorMsg, e);
}
}
public List<X509Certificate> getRootCertificates(byte[] ca, byte[] ra) throws KeystoreException {
if (ca == null) {
@ -329,22 +342,6 @@ public class CertificateGenerator {
return lookUpCertificate;
}
public static String getCommonName(X509Certificate requestCertificate) {
String distinguishedName = requestCertificate.getSubjectDN().getName();
if (distinguishedName != null && !distinguishedName.isEmpty()) {
String[] dnSplits = distinguishedName.split(",");
for (String dnSplit : dnSplits) {
if (dnSplit.contains("CN=")) {
String[] cnSplits = dnSplit.split("=");
if (cnSplits[1] != null) {
return cnSplits[1];
}
}
}
}
return null;
}
public X509Certificate pemToX509Certificate(String pem)
throws KeystoreException {
InputStream inputStream = null;
@ -395,7 +392,7 @@ public class CertificateGenerator {
Certificate lookUpCertificate = keyStoreReader.getCertificateByAlias(
reqCert.getSerialNumber().toString());
if (lookUpCertificate != null && (lookUpCertificate instanceof X509Certificate)) {
if (lookUpCertificate instanceof X509Certificate) {
return (X509Certificate) lookUpCertificate;
}
}
@ -681,7 +678,6 @@ public class CertificateGenerator {
}
}
public String extractChallengeToken(X509Certificate certificate) {
byte[] challengePassword = certificate.getExtensionValue(
@ -742,28 +738,4 @@ public class CertificateGenerator {
certCA.getIssuerX500Principal().getName());
return signedCertificate;
}
public static void extractCertificateDetails(byte[] certificateBytes, CertificateResponse certificateResponse)
throws CertificateManagementDAOException {
try {
if (certificateBytes != null) {
java.security.cert.Certificate x509Certificate =
(java.security.cert.Certificate) Serializer.deserialize(certificateBytes);
if (x509Certificate instanceof X509Certificate) {
X509Certificate certificate = (X509Certificate) x509Certificate;
certificateResponse.setNotAfter(certificate.getNotAfter().getTime());
certificateResponse.setNotBefore(certificate.getNotBefore().getTime());
certificateResponse.setCertificateserial(certificate.getSerialNumber());
certificateResponse.setIssuer(certificate.getIssuerDN().getName());
certificateResponse.setSubject(certificate.getSubjectDN().getName());
certificateResponse.setCertificateVersion(certificate.getVersion());
}
}
} catch (ClassNotFoundException | IOException e) {
String errorMsg = "Error while deserializing the certificate.";
log.error(errorMsg, e);
throw new CertificateManagementDAOException(errorMsg, e);
}
}
}