diff options
Diffstat (limited to 'id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/id/commons/utils/ssl/MOAIDTrustManager.java')
-rw-r--r-- | id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/id/commons/utils/ssl/MOAIDTrustManager.java | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/id/commons/utils/ssl/MOAIDTrustManager.java b/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/id/commons/utils/ssl/MOAIDTrustManager.java new file mode 100644 index 000000000..eaef3f1d4 --- /dev/null +++ b/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/id/commons/utils/ssl/MOAIDTrustManager.java @@ -0,0 +1,164 @@ +/******************************************************************************* + * Copyright 2014 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. + ******************************************************************************/ +/* + * 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.egovernment.moa.id.commons.utils.ssl; + +import java.io.File; +import java.io.FileInputStream; +import java.io.IOException; +import java.net.URL; +import java.security.GeneralSecurityException; +import java.security.cert.CertificateFactory; +import java.security.cert.X509Certificate; +import java.util.ArrayList; +import java.util.List; + +import at.gv.egovernment.moa.logging.Logger; +import at.gv.egovernment.moa.logging.LoggingContext; +import at.gv.egovernment.moa.logging.LoggingContextManager; + +import iaik.pki.jsse.IAIKX509TrustManager; + +/** + * <code>TrustManager</code> implementation featuring CRL checking (inherited from + * <code>IAIKX509TrustManager</code>), plus server-end-SSL-certificate checking. + * + * @author Paul Ivancsics + * @version $Id$ + */ +public class MOAIDTrustManager extends IAIKX509TrustManager { + + /** an x509Certificate array containing all accepted server certificates*/ + private X509Certificate[] acceptedServerCertificates; + + /** + * Constructor + * @param acceptedServerCertificateStoreURL the url leading to the acceptedServer cert store + * @throws GeneralSecurityException occurs on security errors + * @throws IOException occurs on IO errors + */ + public MOAIDTrustManager(String acceptedServerCertificateStoreURL) + throws IOException, GeneralSecurityException { + + if (acceptedServerCertificateStoreURL != null) + buildAcceptedServerCertificates(acceptedServerCertificateStoreURL); + else + acceptedServerCertificates = null; + } + + + /** + * Initializes the LoggingContextManager logging context. + * Fixes a bug occuring in the case MOA-SP is called by API. + * In this case, IAIKX509TrustManager uses the LogginConfig of MOA-SP. + * This method must be called before a MOAIDTrustManager is constructed, + * from every thread. + */ + public static void initializeLoggingContext() { + if (LoggingContextManager.getInstance().getLoggingContext() == null) + LoggingContextManager.getInstance().setLoggingContext( + new LoggingContext(Thread.currentThread().getName())); + } + + + /** + * Builds an Array of accepted server certificates from an URL, + * and stores it in <code>acceptedServerCertificates</code>. + * @param acceptedServerCertificateStoreURL file URL pointing to the directory + * containing accepted server X509 certificates + * @throws GeneralSecurityException on security errors + * @throws IOException on any IO errors + */ + private void buildAcceptedServerCertificates(String acceptedServerCertificateStoreURL) + throws IOException, GeneralSecurityException { + + List<X509Certificate> certList = new ArrayList<X509Certificate>(); + URL storeURL = new URL(acceptedServerCertificateStoreURL); + File storeDir = new File(storeURL.getFile()); + // list certificate files in directory + File[] certFiles = storeDir.listFiles(); + for (int i = 0; i < certFiles.length; i++) { + // for each: create an X509Certificate and store it in list + File certFile = certFiles[i]; + FileInputStream fis = new FileInputStream(certFile.getPath()); + CertificateFactory certFact = CertificateFactory.getInstance("X.509"); + X509Certificate cert = (X509Certificate)certFact.generateCertificate(fis); + fis.close(); + certList.add(cert); + } + // store acceptedServerCertificates + acceptedServerCertificates = (X509Certificate[]) certList.toArray(new X509Certificate[0]); + } + + /** + * Does additional server-end-SSL-certificate checking. + * @see com.sun.net.ssl.X509TrustManager#isServerTrusted(java.security.cert.X509Certificate[]) + */ + public boolean isServerTrusted(X509Certificate[] certChain) { + boolean trusted = super.isServerTrusted(certChain); + if (! trusted || acceptedServerCertificates == null) + return trusted; + else { + // check server-end-SSL-certificate with acceptedServerCertificates + X509Certificate serverCert = certChain[0]; + for (int i = 0; i < acceptedServerCertificates.length; i++) { + X509Certificate acceptedServerCert = acceptedServerCertificates[i]; + if (serverCert.equals(acceptedServerCert)) + return true; + } + Logger.warn("SSL certificate validation FAILED."); + return false; + } + } + /** + * In rare cases, this method is being called although it should not be. + * @see com.sun.net.ssl.X509TrustManager#isClientTrusted(X509Certificate[]) + */ + public boolean isClientTrusted(java.security.cert.X509Certificate arg0[]) + { + return true; + } +} |