Github user jburwell commented on a diff in the pull request: https://github.com/apache/cloudstack/pull/1511#discussion_r78649049 --- Diff: utils/src/main/java/com/cloud/utils/security/CertificateHelper.java --- @@ -38,125 +38,139 @@ import java.security.spec.InvalidKeySpecException; import java.security.spec.PKCS8EncodedKeySpec; import java.util.ArrayList; +import java.util.Collection; +import java.util.Iterator; import java.util.List; -import com.cloud.utils.exception.CloudRuntimeException; import org.apache.commons.codec.binary.Base64; +import org.bouncycastle.util.io.pem.PemObject; +import org.bouncycastle.util.io.pem.PemReader; import com.cloud.utils.Ternary; -import org.bouncycastle.openssl.PEMReader; +import com.cloud.utils.exception.CloudRuntimeException; public class CertificateHelper { - public static byte[] buildAndSaveKeystore(String alias, String cert, String privateKey, String storePassword) throws KeyStoreException, CertificateException, - NoSuchAlgorithmException, InvalidKeySpecException, IOException { - KeyStore ks = buildKeystore(alias, cert, privateKey, storePassword); + public static byte[] buildAndSaveKeystore(final String alias, final String cert, final String privateKey, final String storePassword) throws KeyStoreException, CertificateException, + NoSuchAlgorithmException, InvalidKeySpecException, IOException { + final KeyStore ks = buildKeystore(alias, cert, privateKey, storePassword); - ByteArrayOutputStream os = new ByteArrayOutputStream(); + final ByteArrayOutputStream os = new ByteArrayOutputStream(); ks.store(os, storePassword != null ? storePassword.toCharArray() : null); os.close(); return os.toByteArray(); } - public static byte[] buildAndSaveKeystore(List<Ternary<String, String, String>> certs, String storePassword) throws KeyStoreException, NoSuchAlgorithmException, - CertificateException, IOException, InvalidKeySpecException { - KeyStore ks = KeyStore.getInstance("JKS"); + public static byte[] buildAndSaveKeystore(final List<Ternary<String, String, String>> certs, final String storePassword) throws KeyStoreException, NoSuchAlgorithmException, + CertificateException, IOException, InvalidKeySpecException { + final KeyStore ks = KeyStore.getInstance("JKS"); ks.load(null, storePassword != null ? storePassword.toCharArray() : null); //name,cert,key - for (Ternary<String, String, String> cert : certs) { + for (final Ternary<String, String, String> cert : certs) { if (cert.third() == null) { - Certificate c = buildCertificate(cert.second()); + final Certificate c = buildCertificate(cert.second()); ks.setCertificateEntry(cert.first(), c); } else { - Certificate[] c = new Certificate[certs.size()]; + final Certificate[] c = new Certificate[certs.size()]; int i = certs.size(); - for (Ternary<String, String, String> ct : certs) { + for (final Ternary<String, String, String> ct : certs) { c[i - 1] = buildCertificate(ct.second()); i--; } ks.setKeyEntry(cert.first(), buildPrivateKey(cert.third()), storePassword != null ? storePassword.toCharArray() : null, c); } } - ByteArrayOutputStream os = new ByteArrayOutputStream(); + final ByteArrayOutputStream os = new ByteArrayOutputStream(); ks.store(os, storePassword != null ? storePassword.toCharArray() : null); os.close(); return os.toByteArray(); } - public static KeyStore loadKeystore(byte[] ksData, String storePassword) throws KeyStoreException, CertificateException, NoSuchAlgorithmException, IOException { - assert (ksData != null); - KeyStore ks = KeyStore.getInstance("JKS"); + public static KeyStore loadKeystore(final byte[] ksData, final String storePassword) throws KeyStoreException, CertificateException, NoSuchAlgorithmException, IOException { + assert ksData != null; + final KeyStore ks = KeyStore.getInstance("JKS"); ks.load(new ByteArrayInputStream(ksData), storePassword != null ? storePassword.toCharArray() : null); return ks; } - public static KeyStore buildKeystore(String alias, String cert, String privateKey, String storePassword) throws KeyStoreException, CertificateException, - NoSuchAlgorithmException, InvalidKeySpecException, IOException { + public static KeyStore buildKeystore(final String alias, final String cert, final String privateKey, final String storePassword) throws KeyStoreException, CertificateException, + NoSuchAlgorithmException, InvalidKeySpecException, IOException { - KeyStore ks = KeyStore.getInstance("JKS"); + final KeyStore ks = KeyStore.getInstance("JKS"); ks.load(null, storePassword != null ? storePassword.toCharArray() : null); - Certificate[] certs = new Certificate[1]; + final Certificate[] certs = new Certificate[1]; certs[0] = buildCertificate(cert); ks.setKeyEntry(alias, buildPrivateKey(privateKey), storePassword != null ? storePassword.toCharArray() : null, certs); return ks; } - public static Certificate buildCertificate(String content) throws CertificateException { - assert (content != null); + public static Certificate buildCertificate(final String content) throws CertificateException { + assert content != null; - BufferedInputStream bis = new BufferedInputStream(new ByteArrayInputStream(content.getBytes())); - CertificateFactory cf = CertificateFactory.getInstance("X.509"); + final BufferedInputStream bis = new BufferedInputStream(new ByteArrayInputStream(content.getBytes())); + final CertificateFactory cf = CertificateFactory.getInstance("X.509"); return cf.generateCertificate(bis); } - public static Key buildPrivateKey(String base64EncodedKeyContent) throws NoSuchAlgorithmException, InvalidKeySpecException, IOException { - KeyFactory kf = KeyFactory.getInstance("RSA"); - PKCS8EncodedKeySpec keysp = new PKCS8EncodedKeySpec(Base64.decodeBase64(base64EncodedKeyContent)); + public static Key buildPrivateKey(final String base64EncodedKeyContent) throws NoSuchAlgorithmException, InvalidKeySpecException, IOException { + final KeyFactory kf = KeyFactory.getInstance("RSA"); + final PKCS8EncodedKeySpec keysp = new PKCS8EncodedKeySpec(Base64.decodeBase64(base64EncodedKeyContent)); return kf.generatePrivate(keysp); } - public static List<Certificate> parseChain(String chain) throws IOException { - - List<Certificate> certs = new ArrayList<Certificate>(); - PEMReader reader = new PEMReader(new StringReader(chain)); - - Certificate crt = null; - - while ((crt = (Certificate)reader.readObject()) != null) { - if (crt instanceof X509Certificate) { - certs.add(crt); + public static List<Certificate> parseChain(final String chain) throws IOException, CertificateException { + + final List<Certificate> certs = new ArrayList<Certificate>(); + try(final PemReader pemReader = new PemReader(new StringReader(chain));) + { + Certificate cert = null; + final PemObject pemObject = pemReader.readPemObject(); + final ByteArrayInputStream bais = new ByteArrayInputStream(pemObject.getContent()); + final CertificateFactory certificateFactory = CertificateFactory.getInstance("X509"); + + final Collection<? extends Certificate> c = certificateFactory.generateCertificates(bais); + final Iterator<? extends Certificate> i = c.iterator(); + while (i.hasNext()) { + cert = i.next(); + if (cert instanceof X509Certificate) { + certs.add(cert); + } } + if (certs.size() == 0) { + throw new IllegalArgumentException("Unable to decode certificate chain"); + } + } + finally { + // just close the pemReader } - if (certs.size() == 0) - throw new IllegalArgumentException("Unable to decode certificate chain"); return certs; } - public static String generateFingerPrint(Certificate cert) { + public static String generateFingerPrint(final Certificate cert) { --- End diff -- This method appears to duplicate the same method on `CertServiceImpl`. Please consolidate the two methods,
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