1 files changed, 149 insertions, 0 deletions
diff --git a/BKULocal/src/main/java/at/gv/egiz/bku/local/webapp/InstallCertificateServlet.java b/BKULocal/src/main/java/at/gv/egiz/bku/local/webapp/InstallCertificateServlet.java
new file mode 100644
index 00000000..0a9d001b
--- /dev/null
+++ b/BKULocal/src/main/java/at/gv/egiz/bku/local/webapp/InstallCertificateServlet.java
@@ -0,0 +1,149 @@
+/*
+ * Copyright 2008 Federal Chancellery Austria and
+ * Graz University of Technology
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package at.gv.egiz.bku.local.webapp;
+
+import iaik.pkcs.PKCS7CertList;
+import iaik.utils.Util;
+import java.io.IOException;
+import java.security.cert.Certificate;
+import java.security.cert.CertificateException;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+/**
+ * @author Clemens Orthacker <clemens.orthacker@iaik.tugraz.at>
+ */
+public class InstallCertificateServlet extends HttpServlet {
+  public static final String HTTPS_REDIRECT = "https://localhost:3496/";
+
+  public static final String SERVER_CA_CERTIFICATE_ATTRIBUTE = "mocca.tls.server.ca.certificate";
+  protected PKCS7CertList p7c;
+  private static final Log log = LogFactory.getLog(InstallCertificateServlet.class);
+
+  @Override
+  public void init() throws ServletException {
+    super.init();
+    Certificate caCert = (Certificate) getServletContext().getAttribute(SERVER_CA_CERTIFICATE_ATTRIBUTE);
+    if (caCert != null) {
+      try {
+        p7c = new PKCS7CertList();
+        p7c.setCertificateList(new iaik.x509.X509Certificate[] { Util.convertCertificate(caCert) });
+      } catch (CertificateException ex) {
+        log.error("failed to import local ca certificate " + SERVER_CA_CERTIFICATE_ATTRIBUTE, ex);
+      }
+    } else {
+      log.error("failed to import local ca certificate " + SERVER_CA_CERTIFICATE_ATTRIBUTE);
+    }
+  }
+
+  /**
+   * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
+   * @param request servlet request
+   * @param response servlet response
+   * @throws ServletException if a servlet-specific error occurs
+   * @throws IOException if an I/O error occurs
+   */
+  protected void processRequest(HttpServletRequest request, HttpServletResponse response)
+          throws ServletException, IOException {
+
+//    try {
+//      SSLContext sslCtx1 = SSLContext.getDefault();
+//      log.debug("Default SSLContext (" + sslCtx1.getProtocol() + "): " + sslCtx1.getClass().getName());
+//    } catch (NoSuchAlgorithmException ex) {
+//      log.debug("no sslContext: " + ex.getMessage(), ex);
+//    }
+//
+//    try {
+//      SSLContext sslCtx2 = SSLContext.getInstance("TLS");
+//      log.debug("TLS SSLContext: " + sslCtx2.getClass().getName());
+//
+//      SSLServerSocketFactory serverSocketFactory = sslCtx2.getServerSocketFactory();
+//      SSLSessionContext serverSessionContext = sslCtx2.getServerSessionContext();
+//
+//      if (serverSocketFactory != null) {
+//        log.debug("SSL ServerSocketFactory: " + serverSocketFactory.getClass().getName());
+//      }
+//      if (serverSessionContext != null) {
+//        log.debug("SSL ServerSessionContext: " + serverSessionContext.getClass().getName());
+//      }
+//    } catch (NoSuchAlgorithmException ex) {
+//      log.debug("no sslContext: " + ex.getMessage(), ex);
+//    }
+//
+//    try {
+//      SSLContext sslCtx3 = SSLContext.getInstance("SSLv3");
+//      log.debug("TLS SSLContext: " + sslCtx3.getClass().getName());
+//    } catch (NoSuchAlgorithmException ex) {
+//      log.debug("no sslContext: " + ex.getMessage(), ex);
+//    }
+
+
+ 
+
+
+    if (p7c != null) {
+      log.debug("returning local ca certificate");
+      response.setContentType("application/x-x509-ca-cert"); 
+      p7c.writeTo(response.getOutputStream());
+      response.getOutputStream().flush();
+    } else {
+      log.debug("no local ca certificate, redirecting to " + HTTPS_REDIRECT);
+      response.sendRedirect(HTTPS_REDIRECT);
+    }
+
+  }
+
+  // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
+  /**
+   * Handles the HTTP <code>GET</code> method.
+   * @param request servlet request
+   * @param response servlet response
+   * @throws ServletException if a servlet-specific error occurs
+   * @throws IOException if an I/O error occurs
+   */
+  @Override
+  protected void doGet(HttpServletRequest request, HttpServletResponse response)
+          throws ServletException, IOException {
+    processRequest(request, response);
+  }
+
+  /**
+   * Handles the HTTP <code>POST</code> method.
+   * @param request servlet request
+   * @param response servlet response
+   * @throws ServletException if a servlet-specific error occurs
+   * @throws IOException if an I/O error occurs
+   */
+  @Override
+  protected void doPost(HttpServletRequest request, HttpServletResponse response)
+          throws ServletException, IOException {
+    processRequest(request, response);
+  }
+
+  /**
+   * Returns a short description of the servlet.
+   * @return a String containing servlet description
+   */
+  @Override
+  public String getServletInfo() {
+    return "Short description";
+  }// </editor-fold>
+}