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- /*
- * Copyright 2011 gitblit.com.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package com.gitblit;
-
- import java.io.File;
- import java.io.FileInputStream;
- import java.io.FileOutputStream;
- import java.math.BigInteger;
- import java.security.KeyPair;
- import java.security.KeyPairGenerator;
- import java.security.KeyStore;
- import java.security.SecureRandom;
- import java.security.Security;
- import java.security.cert.X509Certificate;
- import java.util.Date;
-
- import javax.security.auth.x500.X500Principal;
-
- import org.bouncycastle.cert.X509v3CertificateBuilder;
- import org.bouncycastle.cert.jcajce.JcaX509CertificateConverter;
- import org.bouncycastle.cert.jcajce.JcaX509v3CertificateBuilder;
- import org.bouncycastle.operator.ContentSigner;
- import org.bouncycastle.operator.jcajce.JcaContentSignerBuilder;
-
- import com.beust.jcommander.JCommander;
- import com.beust.jcommander.Parameter;
- import com.beust.jcommander.ParameterException;
- import com.beust.jcommander.Parameters;
- import com.gitblit.utils.TimeUtils;
-
- /**
- * Utility class to generate self-signed certificates.
- *
- * @author James Moger
- *
- */
- public class MakeCertificate {
-
- private static final String BC = org.bouncycastle.jce.provider.BouncyCastleProvider.PROVIDER_NAME;
-
- public static void main(String... args) {
- Params params = new Params();
- JCommander jc = new JCommander(params);
- try {
- jc.parse(args);
- } catch (ParameterException t) {
- System.err.println(t.getMessage());
- jc.usage();
- }
- File keystore = new File("serverKeyStore.jks");
- generateSelfSignedCertificate(params.hostname, keystore, params.storePassword,
- params.subject);
- }
-
- public static void generateSelfSignedCertificate(String hostname, File keystore,
- String keystorePassword, String info) {
- try {
- Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());
-
- KeyPairGenerator kpGen = KeyPairGenerator.getInstance("RSA", BC);
- kpGen.initialize(1024, new SecureRandom());
- KeyPair pair = kpGen.generateKeyPair();
-
- // Generate self-signed certificate
- X500Principal principal = new X500Principal(info);
-
- Date notBefore = new Date(System.currentTimeMillis() - TimeUtils.ONEDAY);
- Date notAfter = new Date(System.currentTimeMillis() + 10 * TimeUtils.ONEYEAR);
- BigInteger serial = BigInteger.valueOf(System.currentTimeMillis());
-
- X509v3CertificateBuilder certGen = new JcaX509v3CertificateBuilder(principal, serial,
- notBefore, notAfter, principal, pair.getPublic());
- ContentSigner sigGen = new JcaContentSignerBuilder("SHA256WithRSAEncryption")
- .setProvider(BC).build(pair.getPrivate());
- X509Certificate cert = new JcaX509CertificateConverter().setProvider(BC)
- .getCertificate(certGen.build(sigGen));
- cert.checkValidity(new Date());
- cert.verify(cert.getPublicKey());
-
- // Save to keystore
- KeyStore store = KeyStore.getInstance("JKS");
- if (keystore.exists()) {
- FileInputStream fis = new FileInputStream(keystore);
- store.load(fis, keystorePassword.toCharArray());
- fis.close();
- } else {
- store.load(null);
- }
- store.setKeyEntry(hostname, pair.getPrivate(), keystorePassword.toCharArray(),
- new java.security.cert.Certificate[] { cert });
- FileOutputStream fos = new FileOutputStream(keystore);
- store.store(fos, keystorePassword.toCharArray());
- fos.close();
- } catch (Throwable t) {
- t.printStackTrace();
- throw new RuntimeException("Failed to generate self-signed certificate!", t);
- }
- }
-
- /**
- * JCommander Parameters class for MakeCertificate.
- */
- @Parameters(separators = " ")
- private static class Params {
-
- private static final FileSettings FILESETTINGS = new FileSettings(Constants.PROPERTIES_FILE);
-
- @Parameter(names = { "--hostname" }, description = "Server Hostname", required = true)
- public String hostname;
-
- @Parameter(names = { "--subject" }, description = "Certificate subject", required = true)
- public String subject;
-
- @Parameter(names = "--storePassword", description = "Password for SSL (https) keystore.")
- public String storePassword = FILESETTINGS.getString(Keys.server.storePassword, "");
- }
- }
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