1 files changed, 95 insertions, 0 deletions
diff --git a/id.server/src/at/gv/egovernment/moa/id/auth/servlet/SelectBKUServlet.java b/id.server/src/at/gv/egovernment/moa/id/auth/servlet/SelectBKUServlet.java
new file mode 100644
index 000000000..50ca21c69
--- /dev/null
+++ b/id.server/src/at/gv/egovernment/moa/id/auth/servlet/SelectBKUServlet.java
@@ -0,0 +1,95 @@
+package at.gv.egovernment.moa.id.auth.servlet;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import at.gv.egovernment.moa.id.auth.AuthenticationServer;
+import at.gv.egovernment.moa.id.auth.MOAIDAuthInitializer;
+import at.gv.egovernment.moa.id.auth.WrongParametersException;
+import at.gv.egovernment.moa.id.config.auth.AuthConfigurationProvider;
+import at.gv.egovernment.moa.id.util.MOAIDMessageProvider;
+import at.gv.egovernment.moa.logging.Logger;
+
+/**
+ * Servlet requested for selecting a BKU.
+ * <br>In case of {@link AuthConfigurationProvider#getBKUSelectionType}==HTMLComplete,
+ * the browser is redirected to the configured "BKU-Auswahl-URL".
+ * <br>In case of {@link AuthConfigurationProvider#getBKUSelectionType}==HTMLSelect,
+ * the list of available BKU's is fetched from a BKU-Auswahl server, and presented
+ * to the user in an HTML form.
+ * 
+ * @author Paul Ivancsics
+ * @version $Id$
+ */
+public class SelectBKUServlet extends AuthServlet {
+
+  /**
+   * Calls the web application initializer.
+   * 
+   * @see javax.servlet.Servlet#init(ServletConfig)
+   */
+  public void init(ServletConfig servletConfig) throws ServletException {
+    try {
+      MOAIDAuthInitializer.initialize();
+      Logger.info(MOAIDMessageProvider.getInstance().getMessage("init.00", null));
+    }
+    catch (Exception ex) {
+      Logger.fatal(MOAIDMessageProvider.getInstance().getMessage("init.02", null), ex);
+      throw new ServletException(ex);
+    }
+  }
+  
+  /**
+   * Responds with an HTML form which requests the user to choose a BKU.
+   */
+  protected void doGet(HttpServletRequest req, HttpServletResponse resp)
+    throws ServletException, IOException {
+
+    Logger.debug("GET SelectBKU");
+    String authURL = 
+      req.getScheme() + "://" + 
+      req.getServerName() + ":" +
+      req.getServerPort() +
+      req.getContextPath() + "/";
+    String target = req.getParameter(PARAM_TARGET);
+    String oaURL = req.getParameter(PARAM_OA);
+    String bkuSelectionTemplateURL = req.getParameter(PARAM_BKUTEMPLATE);
+    String templateURL = req.getParameter(PARAM_TEMPLATE);
+    resp.setHeader(HEADER_EXPIRES,HEADER_VALUE_EXPIRES);
+    resp.setHeader(HEADER_PRAGMA,HEADER_VALUE_PRAGMA);
+    resp.setHeader(HEADER_CACHE_CONTROL,HEADER_VALUE_CACHE_CONTROL);
+    resp.addHeader(HEADER_CACHE_CONTROL,HEADER_VALUE_CACHE_CONTROL_IE);
+
+    try {
+      String returnValue = AuthenticationServer.getInstance().selectBKU(
+        authURL, target, oaURL, bkuSelectionTemplateURL, templateURL);
+      String bkuSelectionType = AuthConfigurationProvider.getInstance().getBKUSelectionType();
+      if (bkuSelectionType.equals(AuthConfigurationProvider.BKU_SELECTION_TYPE_HTMLCOMPLETE)) {
+        // bkuSelectionType==HTMLComplete
+        String redirectURL = returnValue;
+        resp.sendRedirect(redirectURL);
+        Logger.debug("REDIRECT TO: " + redirectURL);
+      }
+      else {
+        // bkuSelectionType==HTMLSelect
+        String htmlForm = returnValue;
+        resp.setContentType("text/html");
+        PrintWriter out = new PrintWriter(resp.getOutputStream());
+        out.print(htmlForm);
+        out.flush();
+        Logger.debug("Finished GET SelectBKU");
+      }
+    }
+    catch (WrongParametersException ex) {
+      handleWrongParameters(ex, req, resp);
+    }
+    catch (Throwable ex) {
+      handleError(null, ex, req, resp);
+    }
+  }
+}