diff options
Diffstat (limited to 'eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/KeyStoreUtils.java')
| -rw-r--r-- | eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/KeyStoreUtils.java | 248 |
1 files changed, 123 insertions, 125 deletions
diff --git a/eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/KeyStoreUtils.java b/eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/KeyStoreUtils.java index e3d74066..18ddf422 100644 --- a/eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/KeyStoreUtils.java +++ b/eaaf_core_utils/src/main/java/at/gv/egiz/eaaf/core/impl/utils/KeyStoreUtils.java @@ -1,36 +1,28 @@ -/******************************************************************************* - * Copyright 2017 Graz University of Technology - * EAAF-Core Components has been developed in a cooperation between EGIZ, - * A-SIT Plus, A-SIT, and Graz University of Technology. +/* + * Copyright 2017 Graz University of Technology EAAF-Core Components has been developed in a + * cooperation between EGIZ, A-SIT Plus, A-SIT, and Graz University of Technology. * - * Licensed under the EUPL, Version 1.2 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: + * Licensed under the EUPL, Version 1.2 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: * https://joinup.ec.europa.eu/news/understanding-eupl-v12 * - * 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. - *******************************************************************************/ -/******************************************************************************* - *******************************************************************************/ -/******************************************************************************* - *******************************************************************************/ + * 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.eaaf.core.impl.utils; import java.io.BufferedInputStream; import java.io.FileInputStream; -import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.net.URL; @@ -42,27 +34,27 @@ import java.security.cert.CertificateFactory; /** * 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"; - - + + /** + * 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 @@ -70,20 +62,35 @@ public class KeyStoreUtils { * @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(); + public static KeyStore loadKeyStore(final String keystoreType, final String urlString, + final String password) throws IOException, GeneralSecurityException { + + final URL keystoreUrl = new URL(urlString); + final InputStream in = keystoreUrl.openStream(); return loadKeyStore(keystoreType, in, password); } + /** - * Loads a key store from an <code>InputStream</code>, and - * closes the <code>InputStream</code>. - * + * Load a KeyStore from Filesystem. + * + * @param keyStorePath Path to KeyStore + * @param password KeyStore password + * @return KeyStore + * @throws KeyStoreException In case of a keystore error + * @throws IOException In case of a general read error + */ + public static KeyStore loadKeyStore(final String keyStorePath, final String password) + throws KeyStoreException, IOException { + final URL keystoreUrl = new URL(keyStorePath); + final InputStream in = keystoreUrl.openStream(); + final InputStream isBuffered = new BufferedInputStream(in); + return loadKeyStore(isBuffered, 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 @@ -91,39 +98,63 @@ public class KeyStoreUtils { * @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 { + public static KeyStore loadKeyStore(final String keystoreType, final InputStream in, + final String password) throws IOException, GeneralSecurityException { char[] chPassword = null; - if (password != null) + if (password != null) { chPassword = password.toCharArray(); - KeyStore ks = KeyStore.getInstance(keystoreType); + } + final 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>. - * + * Loads a keyStore without knowing the keyStore type. + * + * @param is input stream + * @param password Password protecting the keyStore + * @return keyStore loaded + * @throws KeyStoreException thrown if keyStore cannot be loaded + * @throws IOException In case of a general error + */ + public static KeyStore loadKeyStore(final InputStream is, final String password) + throws KeyStoreException, IOException { + is.mark(1024 * 1024); + KeyStore ks = null; + try { + try { + ks = loadKeyStore(KEYSTORE_TYPE_PKCS12, is, password); + } catch (final IOException e2) { + is.reset(); + ks = loadKeyStore(KEYSTORE_TYPE_JKS, is, password); + } + } catch (final Exception e) { + e.printStackTrace(); + + } + 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 + * @throws Exception In case of an error */ - public static KeyStore createKeyStore( - String keyStoreType, - String[] certFilenames) - throws IOException, GeneralSecurityException { + public static KeyStore createKeyStore(final String keyStoreType, final String[] certFilenames) + throws Exception { - KeyStore ks = KeyStore.getInstance(keyStoreType); + final KeyStore ks = KeyStore.getInstance(keyStoreType); ks.load(null, null); for (int i = 0; i < certFilenames.length; i++) { - Certificate cert = loadCertificate(certFilenames[i]); + final Certificate cert = loadCertificate(certFilenames[i]); ks.setCertificateEntry("" + i, cert); } return ks; @@ -131,69 +162,36 @@ public class KeyStoreUtils { /** * 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 + * @throws Exception In case of an IO exception */ - private static Certificate loadCertificate(String certFilename) - throws IOException, GeneralSecurityException { + private static Certificate loadCertificate(final String certFilename) + throws Exception { + FileInputStream in = null; + try { + in = new FileInputStream(certFilename); + final CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); + final Certificate cert = certFactory.generateCertificate(in); + in.close(); + return cert; - FileInputStream in = new FileInputStream(certFilename); - CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); - Certificate cert = certFactory.generateCertificate(in); - in.close(); - return cert; + } catch (final Exception e) { + throw e; + + } finally { + if (in != null) { + try { + in.close(); + } catch (final IOException e) { + e.printStackTrace(); + } + + } + } } - - - /** - * 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(); - - } - return ks; - - } - - + } |