| /* |
| * Copyright (c) 2003, 2007, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * |
| * @author Sean Mullan |
| * @author Steve Hanna |
| * |
| */ |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.InputStream; |
| import java.io.IOException; |
| import java.security.cert.CertificateFactory; |
| import java.security.cert.CertPath; |
| import java.security.cert.CertPathBuilder; |
| import java.security.cert.CertPathValidator; |
| import java.security.cert.CertStore; |
| import java.security.cert.CollectionCertStoreParameters; |
| import java.security.cert.PKIXBuilderParameters; |
| import java.security.cert.PKIXCertPathBuilderResult; |
| import java.security.cert.PKIXCertPathValidatorResult; |
| import java.security.cert.PKIXParameters; |
| import java.security.cert.X509Certificate; |
| import java.security.cert.X509CRL; |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * Static utility methods useful for testing certificate/certpath APIs. |
| */ |
| public class CertUtils { |
| |
| private CertUtils() {} |
| |
| /** |
| * Get a DER-encoded X.509 certificate from a file. |
| * |
| * @param certFilePath path to file containing DER-encoded certificate |
| * @return X509Certificate |
| * @throws IOException on error |
| */ |
| public static X509Certificate getCertFromFile(String certFilePath) |
| throws IOException { |
| X509Certificate cert = null; |
| try { |
| File certFile = new File(System.getProperty("test.src", "."), |
| certFilePath); |
| if (!certFile.canRead()) |
| throw new IOException("File " + |
| certFile.toString() + |
| " is not a readable file."); |
| FileInputStream certFileInputStream = |
| new FileInputStream(certFile); |
| CertificateFactory cf = CertificateFactory.getInstance("X509"); |
| cert = (X509Certificate) |
| cf.generateCertificate(certFileInputStream); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| throw new IOException("Can't construct X509Certificate: " + |
| e.getMessage()); |
| } |
| return cert; |
| } |
| |
| /** |
| * Get a DER-encoded X.509 CRL from a file. |
| * |
| * @param crlFilePath path to file containing DER-encoded CRL |
| * @return X509CRL |
| * @throws IOException on error |
| */ |
| public static X509CRL getCRLFromFile(String crlFilePath) |
| throws IOException { |
| X509CRL crl = null; |
| try { |
| File crlFile = new File(System.getProperty("test.src", "."), |
| crlFilePath); |
| if (!crlFile.canRead()) |
| throw new IOException("File " + |
| crlFile.toString() + |
| " is not a readable file."); |
| FileInputStream crlFileInputStream = |
| new FileInputStream(crlFile); |
| CertificateFactory cf = CertificateFactory.getInstance("X509"); |
| crl = (X509CRL) cf.generateCRL(crlFileInputStream); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| throw new IOException("Can't construct X509CRL: " + |
| e.getMessage()); |
| } |
| return crl; |
| } |
| |
| /** |
| * Read a bunch of certs from files and create a CertPath from them. |
| * |
| * @param fileNames an array of <code>String</code>s that are file names |
| * @throws Exception on error |
| */ |
| public static CertPath buildPath(String [] fileNames) throws Exception { |
| return buildPath("", fileNames); |
| } |
| |
| /** |
| * Read a bunch of certs from files and create a CertPath from them. |
| * |
| * @param relPath relative path containing certs (must end in |
| * file.separator) |
| * @param fileNames an array of <code>String</code>s that are file names |
| * @throws Exception on error |
| */ |
| public static CertPath buildPath(String relPath, String [] fileNames) |
| throws Exception { |
| List<X509Certificate> list = new ArrayList<X509Certificate>(); |
| for (int i = 0; i < fileNames.length; i++) { |
| list.add(0, getCertFromFile(relPath + fileNames[i])); |
| } |
| CertificateFactory cf = CertificateFactory.getInstance("X509"); |
| return(cf.generateCertPath(list)); |
| } |
| |
| |
| /** |
| * Read a bunch of certs from files and create a CertStore from them. |
| * |
| * @param fileNames an array of <code>String</code>s that are file names |
| * @return the <code>CertStore</code> created |
| * @throws Exception on error |
| */ |
| public static CertStore createStore(String [] fileNames) throws Exception { |
| return createStore("", fileNames); |
| } |
| |
| /** |
| * Read a bunch of certs from files and create a CertStore from them. |
| * |
| * @param relPath relative path containing certs (must end in |
| * file.separator) |
| * @param fileNames an array of <code>String</code>s that are file names |
| * @return the <code>CertStore</code> created |
| * @throws Exception on error |
| */ |
| public static CertStore createStore(String relPath, String [] fileNames) |
| throws Exception { |
| Set<X509Certificate> certs = new HashSet<X509Certificate>(); |
| for (int i = 0; i < fileNames.length; i++) { |
| certs.add(getCertFromFile(relPath + fileNames[i])); |
| } |
| return CertStore.getInstance("Collection", |
| new CollectionCertStoreParameters(certs)); |
| } |
| |
| /** |
| * Read a bunch of CRLs from files and create a CertStore from them. |
| * |
| * @param fileNames an array of <code>String</code>s that are file names |
| * @return the <code>CertStore</code> created |
| * @throws Exception on error |
| */ |
| public static CertStore createCRLStore(String [] fileNames) |
| throws Exception { |
| return createCRLStore("", fileNames); |
| } |
| |
| /** |
| * Read a bunch of CRLs from files and create a CertStore from them. |
| * |
| * @param relPath relative path containing CRLs (must end in file.separator) |
| * @param fileNames an array of <code>String</code>s that are file names |
| * @return the <code>CertStore</code> created |
| * @throws Exception on error |
| */ |
| public static CertStore createCRLStore(String relPath, String [] fileNames) |
| throws Exception { |
| Set<X509CRL> crls = new HashSet<X509CRL>(); |
| for (int i = 0; i < fileNames.length; i++) { |
| crls.add(getCRLFromFile(relPath + fileNames[i])); |
| } |
| return CertStore.getInstance("Collection", |
| new CollectionCertStoreParameters(crls)); |
| } |
| |
| /** |
| * Perform a PKIX path build. On failure, throw an exception. |
| * |
| * @param params PKIXBuilderParameters to use in validation |
| * @throws Exception on error |
| */ |
| public static PKIXCertPathBuilderResult build(PKIXBuilderParameters params) |
| throws Exception { |
| CertPathBuilder builder = |
| CertPathBuilder.getInstance("PKIX"); |
| return (PKIXCertPathBuilderResult) builder.build(params); |
| } |
| |
| /** |
| * Perform a PKIX validation. On failure, throw an exception. |
| * |
| * @param path CertPath to validate |
| * @param params PKIXParameters to use in validation |
| * @throws Exception on error |
| */ |
| public static PKIXCertPathValidatorResult validate |
| (CertPath path, PKIXParameters params) throws Exception { |
| CertPathValidator validator = |
| CertPathValidator.getInstance("PKIX"); |
| return (PKIXCertPathValidatorResult) validator.validate(path, params); |
| } |
| |
| /* |
| * Reads the entire input stream into a byte array. |
| */ |
| private static byte[] getTotalBytes(InputStream is) throws IOException { |
| byte[] buffer = new byte[8192]; |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(2048); |
| int n; |
| baos.reset(); |
| while ((n = is.read(buffer, 0, buffer.length)) != -1) { |
| baos.write(buffer, 0, n); |
| } |
| return baos.toByteArray(); |
| } |
| } |