1 files changed, 156 insertions, 0 deletions
diff --git a/id.server/src/at/gv/egovernment/moa/id/util/SSLUtils.java b/id.server/src/at/gv/egovernment/moa/id/util/SSLUtils.java
new file mode 100644
index 000000000..f21b0880e
--- /dev/null
+++ b/id.server/src/at/gv/egovernment/moa/id/util/SSLUtils.java
@@ -0,0 +1,156 @@
+package at.gv.egovernment.moa.id.util;
+
+import iaik.pki.PKIConfiguration;
+import iaik.pki.PKIException;
+import iaik.pki.PKIFactory;
+import iaik.pki.PKIProfile;
+import iaik.pki.jsse.IAIKX509TrustManager;
+
+import java.io.BufferedInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.security.GeneralSecurityException;
+import java.security.Security;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.net.ssl.SSLSocketFactory;
+
+import at.gv.egovernment.moa.id.config.ConfigurationException;
+import at.gv.egovernment.moa.id.config.ConfigurationProvider;
+import at.gv.egovernment.moa.id.config.ConnectionParameter;
+import at.gv.egovernment.moa.id.iaik.config.PKIConfigurationImpl;
+import at.gv.egovernment.moa.id.iaik.pki.PKIProfileImpl;
+import at.gv.egovernment.moa.id.iaik.pki.jsse.MOAIDTrustManager;
+import at.gv.egovernment.moa.logging.Logger;
+import at.gv.egovernment.moa.util.StreamUtils;
+
+import com.sun.net.ssl.HttpsURLConnection;
+import com.sun.net.ssl.KeyManager;
+import com.sun.net.ssl.SSLContext;
+import com.sun.net.ssl.TrustManager;
+
+/**
+ * Utility for a obtaining a secure socket factory using <code>IAIKX509TrustManager</code>.
+ * This <code>TrustManager</code> implementation features CRL checking.<br/>
+ * <code>SSLUtils</code> caches secure socket factories for given <code>ConnectionParameter</code>s. 
+ * 
+ * @author Paul Ivancsics
+ * @version $Id$
+ */
+public class SSLUtils {
+  
+  /** SSLSocketFactory store, mapping URL->SSLSocketFactory **/
+  private static Map sslSocketFactories = new HashMap();
+
+  /**
+   * Initializes the SSLSocketFactory store.
+   */
+  public static void initialize() {
+    sslSocketFactories = new HashMap();
+    Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
+    System.setProperty("java.protocol.handler.pkgs", "com.sun.net.ssl.internal.www.protocol");
+  }
+  
+  /**
+   * Creates an <code>SSLSocketFactory</code> which utilizes an
+   * <code>IAIKX509TrustManager</code> for the given trust store,
+   * and the given key store.
+   * 
+   * @param conf configuration provider providing a generic properties pointing 
+   *         to trusted CA store and certificate store root
+   * @param connParam connection parameter containing the client key store settings
+   *         to be used in case of client authentication; 
+   *         if <code>connParam.getClientKeyStore() == null</code>, client authentication
+   *         is assumed to be disabled
+   * @return <code>SSLSocketFactory</code> to be used by an <code>HttpsURLConnection</code>
+   * @throws IOException thrown while reading key store file
+   * @throws GeneralSecurityException thrown while creating the socket factory
+   * @throws ConfigurationException on invalid configuration data
+   * @throws PKIException while initializing the <code>IAIKX509TrustManager</code>
+   */
+  public static SSLSocketFactory getSSLSocketFactory(
+    ConfigurationProvider conf,
+    ConnectionParameter connParam)
+    throws IOException, GeneralSecurityException, ConfigurationException, PKIException {
+    
+    Logger.debug("Get SSLSocketFactory for " + connParam.getUrl());
+    // retrieve SSLSocketFactory if already created
+    SSLSocketFactory ssf = (SSLSocketFactory)sslSocketFactories.get(connParam.getUrl());
+    if (ssf != null)
+      return ssf;
+    // else create new SSLSocketFactory
+    String trustStoreURL = conf.getTrustedCACertificates();
+    if (trustStoreURL == null)
+      throw new ConfigurationException(
+        "config.08", new Object[] {"TrustedCACertificates"});
+    String acceptedServerCertURL = connParam.getAcceptedServerCertificates();
+    TrustManager[] tms = getTrustManagers(conf, trustStoreURL, acceptedServerCertURL);
+    KeyManager[] kms = at.gv.egovernment.moa.util.SSLUtils.getKeyManagers(
+      "pkcs12", connParam.getClientKeyStore(), connParam.getClientKeyStorePassword());
+    SSLContext ctx = SSLContext.getInstance("TLS");
+    ctx.init(kms, tms, null);
+    ssf = ctx.getSocketFactory();
+    // store SSLSocketFactory
+    sslSocketFactories.put(connParam.getUrl(), ssf);
+    return ssf;
+  }
+
+  /**
+   * Initializes an <code>IAIKX509TrustManager</code> for a given trust store,
+   * using configuration data.
+   * 
+   * @param conf MOA-ID configuration provider
+   * @param trustStoreURL trust store URL
+   * @param acceptedServerCertURL file URL pointing to directory containing accepted server SSL certificates
+   * @return <code>TrustManager</code> array containing the <code>IAIKX509TrustManager</code>
+   * @throws ConfigurationException on invalid configuration data
+   * @throws IOException on data-reading problems
+   * @throws PKIException while initializing the <code>IAIKX509TrustManager</code>
+   */
+  public static TrustManager[] getTrustManagers(
+    ConfigurationProvider conf, String trustStoreURL, String acceptedServerCertURL) 
+    throws ConfigurationException, PKIException, IOException, GeneralSecurityException {
+
+    PKIConfiguration cfg = null;
+    if (! PKIFactory.getInstance().isAlreadyConfigured())
+      cfg = new PKIConfigurationImpl(conf);
+    PKIProfile profile = new PKIProfileImpl(trustStoreURL);
+    // This call fixes a bug occuring when PKIConfiguration is
+    // initialized by the MOA-SP initialization code, in case
+    // MOA-SP is called by API
+    MOAIDTrustManager.initializeLoggingContext();    
+    IAIKX509TrustManager tm = new MOAIDTrustManager(acceptedServerCertURL);
+    tm.init(cfg, profile);
+    return new TrustManager[] {tm};
+  }
+  /**
+   * Reads a file, given by URL, into a byte array, 
+   * securing the connection by IAIKX509TrustManager.
+   * @param connParam containing URL and accepted server certificates
+   * @param conf ConfigurationProvider for reading
+   * @return file content
+   * @throws ConfigurationException on invalid configuration data
+   * @throws PKIException on invalid configuration data
+   * @throws IOException on data-reading problems
+   * @throws GeneralSecurityException on security issues
+   */
+  public static byte[] readHttpsURL(ConfigurationProvider conf, ConnectionParameter connParam) 
+    throws ConfigurationException, PKIException, IOException, GeneralSecurityException {
+      
+    URL url = new URL(connParam.getUrl());
+    HttpsURLConnection conn = (HttpsURLConnection)url.openConnection();
+    conn.setRequestMethod("GET");
+    conn.setDoInput(true);
+    SSLSocketFactory sslSocketFactory = getSSLSocketFactory(conf, connParam);
+    conn.setSSLSocketFactory(sslSocketFactory);
+    conn.connect();
+    InputStream in = new BufferedInputStream(conn.getInputStream());
+    byte[] content = StreamUtils.readStream(in);
+    in.close();
+    conn.disconnect();
+    return content;
+  }
+  
+}