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+/*
+ * Copyright 2003 Federal Chancellery Austria
+ * MOA-ID has been developed in a cooperation between BRZ, the Federal
+ * Chancellery Austria - ICT staff unit, and Graz University of Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+
+
+package at.gv.egiz.pdfas.web.sl20;
+
+import iaik.x509.X509Certificate;
+
+import java.io.BufferedInputStream;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.security.GeneralSecurityException;
+import java.security.KeyStore;
+import java.security.KeyStoreException;
+import java.security.cert.Certificate;
+
+/**
+ * Utility for creating and loading key stores.
+ *
+ * @author Paul Ivancsics
+ * @version $Id$
+ */
+public class KeyStoreUtils {
+
+ /**
+ * JAVA KeyStore
+ */
+ private static final String KEYSTORE_TYPE_JKS = "JKS";
+
+ /**
+ * PKCS12 KeyStore
+ */
+ private static final String KEYSTORE_TYPE_PKCS12 = "PKCS12";
+
+
+
+ /**
+ * Loads a key store from file.
+ *
+ * @param keystoreType key store type
+ * @param urlString URL of key store
+ * @param password password protecting the key store
+ * @return key store loaded
+ * @throws IOException thrown while reading the key store from file
+ * @throws GeneralSecurityException thrown while creating the key store
+ */
+ public static KeyStore loadKeyStore(
+ String keystoreType,
+ String urlString,
+ String password)
+ throws IOException, GeneralSecurityException {
+
+ URL keystoreURL = new URL(urlString);
+ InputStream in = keystoreURL.openStream();
+ return loadKeyStore(keystoreType, in, password);
+ }
+ /**
+ * Loads a key store from an <code>InputStream</code>, and
+ * closes the <code>InputStream</code>.
+ *
+ * @param keystoreType key store type
+ * @param in input stream
+ * @param password password protecting the key store
+ * @return key store loaded
+ * @throws IOException thrown while reading the key store from the stream
+ * @throws GeneralSecurityException thrown while creating the key store
+ */
+ public static KeyStore loadKeyStore(
+ String keystoreType,
+ InputStream in,
+ String password)
+ throws IOException, GeneralSecurityException {
+
+ char[] chPassword = null;
+ if (password != null)
+ chPassword = password.toCharArray();
+ KeyStore ks = KeyStore.getInstance(keystoreType);
+ ks.load(in, chPassword);
+ in.close();
+ return ks;
+ }
+ /**
+ * Creates a key store from X509 certificate files, aliasing them with
+ * the index in the <code>String[]</code>, starting with <code>"0"</code>.
+ *
+ * @param keyStoreType key store type
+ * @param certFilenames certificate filenames
+ * @return key store created
+ * @throws IOException thrown while reading the certificates from file
+ * @throws GeneralSecurityException thrown while creating the key store
+ */
+ public static KeyStore createKeyStore(
+ String keyStoreType,
+ String[] certFilenames)
+ throws IOException, GeneralSecurityException {
+
+ KeyStore ks = KeyStore.getInstance(keyStoreType);
+ ks.load(null, null);
+ for (int i = 0; i < certFilenames.length; i++) {
+ Certificate cert = loadCertificate(certFilenames[i]);
+ ks.setCertificateEntry("" + i, cert);
+ }
+ return ks;
+ }
+// /**
+// * Creates a key store from a directory containg X509 certificate files,
+// * aliasing them with the index in the <code>String[]</code>, starting with <code>"0"</code>.
+// * All the files in the directory are considered to be certificates.
+// *
+// * @param keyStoreType key store type
+// * @param certDirURLString file URL of directory containing certificate filenames
+// * @return key store created
+// * @throws IOException thrown while reading the certificates from file
+// * @throws GeneralSecurityException thrown while creating the key store
+// */
+// public static KeyStore createKeyStoreFromCertificateDirectory(
+// String keyStoreType,
+// String certDirURLString)
+// throws IOException, GeneralSecurityException {
+//
+// URL certDirURL = new URL(certDirURLString);
+// String certDirname = certDirURL.getFile();
+// File certDir = new File(certDirname);
+// String[] certFilenames = certDir.list();
+// String separator =
+// (certDirname.endsWith(File.separator) ? "" : File.separator);
+// for (int i = 0; i < certFilenames.length; i++) {
+// certFilenames[i] = certDirname + separator + certFilenames[i];
+// }
+// return createKeyStore(keyStoreType, certFilenames);
+// }
+
+ /**
+ * Loads an X509 certificate from file.
+ * @param certFilename filename
+ * @return the certificate loaded
+ * @throws IOException thrown while reading the certificate from file
+ * @throws GeneralSecurityException thrown while creating the certificate
+ */
+ private static Certificate loadCertificate(String certFilename)
+ throws IOException, GeneralSecurityException {
+
+ FileInputStream in = new FileInputStream(certFilename);
+ Certificate cert = new X509Certificate(in);
+ in.close();
+ return cert;
+ }
+
+
+ /**
+ * Loads a keyStore without knowing the keyStore type
+ * @param keyStorePath URL to the keyStore
+ * @param password Password protecting the keyStore
+ * @return keyStore loaded
+ * @throws KeyStoreException thrown if keyStore cannot be loaded
+ * @throws FileNotFoundException
+ * @throws IOException
+ */
+ public static KeyStore loadKeyStore(String keyStorePath, String password) throws KeyStoreException, IOException{
+
+ //InputStream is = new FileInputStream(keyStorePath);
+ URL keystoreURL = new URL(keyStorePath);
+ InputStream in = keystoreURL.openStream();
+ InputStream isBuffered = new BufferedInputStream(in);
+ return loadKeyStore(isBuffered, password);
+
+ }
+
+ /**
+ * Loads a keyStore without knowing the keyStore type
+ * @param in input stream
+ * @param password Password protecting the keyStore
+ * @return keyStore loaded
+ * @throws KeyStoreException thrown if keyStore cannot be loaded
+ * @throws FileNotFoundException
+ * @throws IOException
+ */
+public static KeyStore loadKeyStore(InputStream is, String password) throws KeyStoreException, IOException{
+ is.mark(1024*1024);
+ KeyStore ks = null;
+ try {
+ try {
+ ks = loadKeyStore(KEYSTORE_TYPE_PKCS12, is, password);
+ } catch (IOException e2) {
+ is.reset();
+ ks = loadKeyStore(KEYSTORE_TYPE_JKS, is, password);
+ }
+ } catch(Exception e) {
+ e.printStackTrace();
+ //throw new KeyStoreException(e);
+ }
+ return ks;
+
+ }
+
+
+
+
+}