1 files changed, 12 insertions, 277 deletions
diff --git a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/BKURequestHandler.java b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/BKURequestHandler.java
index 7dfec211..d42f911c 100644
--- a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/BKURequestHandler.java
+++ b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/BKURequestHandler.java
@@ -16,302 +16,37 @@
  */
 package at.gv.egiz.bku.online.webapp;
 
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.net.MalformedURLException;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.net.URL;
-import java.net.URLEncoder;
-import java.util.Arrays;
-import java.util.Enumeration;
-import java.util.HashMap;
-import java.util.Locale;
-import java.util.Map;
-import java.util.regex.Pattern;
-
-import javax.servlet.RequestDispatcher;
-import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import javax.servlet.http.HttpSession;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
-import at.gv.egiz.bku.binding.BindingProcessor;
 import at.gv.egiz.bku.binding.HTTPBindingProcessor;
-import at.gv.egiz.bku.binding.HttpUtil;
-import at.gv.egiz.bku.binding.IdFactory;
-import at.gv.egiz.bku.utils.StreamUtil;
-import at.gv.egiz.org.apache.tomcat.util.http.AcceptLanguage;
+import at.gv.egiz.bku.binding.HTTPBindingProcessorImpl;
 
 /**
  * Handles SL requests and instantiates BindingProcessors
  * 
  */
-public class BKURequestHandler extends SpringBKUServlet {
-
-  private static final long serialVersionUID = 1L;
-
-  public static final String APPLET_PAGE_P = "appletPage";
-  public static final String APPLET_PAGE_DEFAULT = "BKUApplet";
-  
-  public static final String PARAM_APPLET_WIDTH = "appletWidth";
-  public static final String ATTR_APPLET_WIDTH = "appletWidth";
-  
-  public static final String PARAM_APPLET_HEIGHT = "appletHeight";
-  public static final String ATTR_APPLET_HEIGHT = "appletHeight";
+public class BKURequestHandler extends AbstractWebRequestHandler {
   
-  public static final String PARAM_APPLET_BACKGROUND = "appletBackground";
-  public static final String ATTR_APPLET_BACKGROUND = "appletBackground";
-  
-  public static final String PARAM_APPLET_BACKGROUND_COLOR = "appletBackgroundColor";
-  public static final String ATTR_APPLET_BACKGROUND_COLOR = "appletBackgroundColor";
-  public static final Pattern PATTERM_APPLET_BACKGROUND_COLOR = Pattern.compile("\\#[0-9a-fA-F]{6}");
-  
-  public static final String PARAM_APPLET_GUI_STYLE = "appletGuiStyle";
-  public static final String ATTR_APPLET_GUI_STYLE = "appletGuiStyle";
-  public static final String[] VALUES_APPLET_GUI_STYLE = new String[] {"tiny", "simple", "advanced"};
+  private static final long serialVersionUID = 1L;
   
-  public static final String PARAM_APPLET_EXTENSION = "appletExtension";
-  public static final String ATTR_APPLET_EXTENSION = "appletExtension";
-  public static final String[] VALUES_APPLET_EXTENSION = new String[] {"pin", "activation"};
+  private final Logger log = LoggerFactory.getLogger(BKURequestHandler.class);
   
-  public static final String PARAM_LOCALE = "locale";
-  public static final String ATTR_LOCALE = "locale";
-  public static final Pattern PATTERN_LOCALE = Pattern.compile("[a-zA-Z][a-zA-Z](_[a-zA-Z][a-zA-Z]){0,2}");
-
-  public final static String REDIRECT_URL_SESSION_ATTRIBUTE = "redirectUrl";
-
-  protected Log log = LogFactory.getLog(BKURequestHandler.class);
-
-  private static String getStringFromStream(InputStream is, String encoding)
-      throws IOException {
-    if (is == null) {
-      return null;
-    }
-    if (encoding == null) {
-      encoding = HttpUtil.DEFAULT_CHARSET;
-    }
-    ByteArrayOutputStream os = new ByteArrayOutputStream();
-    StreamUtil.copyStream(is, os);
-    return new String(os.toByteArray(), encoding);
-  }
-
   @Override
-  protected void doPost(HttpServletRequest req, HttpServletResponse resp)
-      throws ServletException, java.io.IOException {
-    log.debug("Received SecurityLayer request");
-    
-    HttpSession session = req.getSession(false);
-    if (session != null) {
-      log.warn("Already a session with id: " + session.getId()
-          + " active, trying to get Bindingprocessor");
-      BindingProcessor bp = getBindingProcessorManager().getBindingProcessor(
-          IdFactory.getInstance().createId(session.getId()));
-      if (bp != null) {
-        log.debug("Found binding processor, using this one");
-        String appletPage = getStringFromStream(
-                ((HTTPBindingProcessor) bp).getFormData(APPLET_PAGE_P),
-                req.getCharacterEncoding());
-        getDispatcher(appletPage).forward(req, resp);
-        return;
-      }
-      log.debug("Did not find a binding processor, creating new ...");
-    }
-    session = req.getSession(true);
-    if (log.isDebugEnabled()) {
-      log.debug("Using session id: " + session.getId());
-    }
-
-    String acceptLanguage = req.getHeader("Accept-Language");
-    Locale locale = AcceptLanguage.getLocale(acceptLanguage);
-    log.debug("Accept-Language locale: " + locale);
-
-    HTTPBindingProcessor bindingProcessor;
-    bindingProcessor = (HTTPBindingProcessor) getBindingProcessorManager()
-        .createBindingProcessor(req.getRequestURL().toString(),
-            session.getId(), locale);
-
-    Map<String, String> headerMap = new HashMap<String, String>();
-    for (Enumeration<String> headerName = req.getHeaderNames(); headerName
-        .hasMoreElements();) {
-      String header = headerName.nextElement();
-      if (header != null) {
-        headerMap.put(header, req.getHeader(header));
-      }
-    }
-    String charset = req.getCharacterEncoding();
-    String contentType = req.getContentType();
-    if (charset != null) {
-      contentType += ";" + charset;
-    }
-    headerMap.put(HttpUtil.HTTP_HEADER_CONTENT_TYPE, contentType);
-    bindingProcessor.setHTTPHeaders(headerMap);
-    bindingProcessor.consumeRequestStream(req.getInputStream());
-    req.getInputStream().close();
-    getBindingProcessorManager().process(bindingProcessor);
-
-    log.trace("Trying to find applet parameters in request");
-
-    // appletWidth
-    String width = getStringFromStream(bindingProcessor
-        .getFormData(PARAM_APPLET_WIDTH), charset);
-    if (width != null) {
-      try {
-        // must be a valid integer
-        session.setAttribute(ATTR_APPLET_WIDTH, Integer.parseInt(width));
-        log.trace("Found parameter " + PARAM_APPLET_WIDTH + "='" + width +"'.");
-      } catch (NumberFormatException nfe) {
-        log.warn("Applet parameter " + PARAM_APPLET_WIDTH + 
-            " does not contain a valid value.", nfe);
-      }
-    }
-    
-    // appletHeight
-    String height = getStringFromStream(bindingProcessor
-        .getFormData(PARAM_APPLET_HEIGHT), charset);
-    if (height != null) {
-      try {
-        // must be a valid integer
-        session.setAttribute(ATTR_APPLET_HEIGHT, Integer.parseInt(height));
-        log.trace("Found parameter " + PARAM_APPLET_HEIGHT + "='" + height + "'.");
-      } catch (NumberFormatException nfe) {
-        log.warn("Applet parameter " + PARAM_APPLET_HEIGHT + 
-            " does not contain a valid value.", nfe);
-      }
-    }
-    
-    // appletBackground
-    String background = getStringFromStream(bindingProcessor
-        .getFormData(PARAM_APPLET_BACKGROUND), charset);
-    if (background != null) {
-      session.setAttribute(ATTR_APPLET_BACKGROUND, background);
-      try {
-        // must be a valid http or https URL
-        URI backgroundURL = new URI(background);
-        if ("http".equals(backgroundURL.getScheme()) 
-            || "https".equals(backgroundURL.getScheme())) {
-          session.setAttribute(ATTR_APPLET_BACKGROUND, backgroundURL.toASCIIString());
-          log.trace("Found parameter " + PARAM_APPLET_BACKGROUND + "='" 
-              + backgroundURL.toASCIIString() + "'.");
-        } else {
-          log.warn("Applet parameter " + PARAM_APPLET_BACKGROUND + "='" 
-              + background + "' is not a valid http/https URL.");
-        }
-      } catch (URISyntaxException e) {
-        log.warn("Applet parameter " + PARAM_APPLET_BACKGROUND + "='" 
-            + background + "' is not a valid http/https URL.", e);
-      }
-    }
-    
-    // appletBackgroundColor
-    String backgroundColor = getStringFromStream(bindingProcessor
-        .getFormData(PARAM_APPLET_BACKGROUND_COLOR), charset);
-    if (backgroundColor != null) {
-      // must be a valid color definition
-      if (PATTERM_APPLET_BACKGROUND_COLOR.matcher(backgroundColor).matches()) {
-        session.setAttribute(ATTR_APPLET_BACKGROUND_COLOR, backgroundColor);
-        log.trace("Faund parameter " + PARAM_APPLET_BACKGROUND_COLOR + "='" 
-            + backgroundColor + "'.");
-      } else {
-        log.warn("Applet parameter " + PARAM_APPLET_BACKGROUND_COLOR + "='" 
-            + backgroundColor + "' is not a valid color definition (must be of form '#hhhhhh').");
-      }
-    }
-    
-    // appletGuiStyle
-    String guiStyle = getStringFromStream(bindingProcessor
-        .getFormData(PARAM_APPLET_GUI_STYLE), charset);
-    if (guiStyle != null) {
-      // must be one of VALUES_APPLET_GUI_STYLE
-      String style = guiStyle.toLowerCase();
-      if (Arrays.asList(VALUES_APPLET_GUI_STYLE).contains(style)) {
-        session.setAttribute(ATTR_APPLET_GUI_STYLE, style);
-        log.trace("Found parameter " + PARAM_APPLET_GUI_STYLE + "='" 
-            + style + "'.");
-      } else {
-        StringBuilder sb = new StringBuilder();
-        sb.append("Applet parameter ").append(PARAM_APPLET_GUI_STYLE).append(
-            "='").append(guiStyle).append("' is not valid (must be one of ")
-            .append(Arrays.toString(VALUES_APPLET_GUI_STYLE)).append(").");
-        log.warn(sb);
-      }
-    }
-
-    // appletExtension
-    String extension = getStringFromStream(bindingProcessor
-        .getFormData(PARAM_APPLET_EXTENSION), charset);
-    if (extension != null) {
-      // must be one of VALUES_APPLET_EXTENSION
-      String ext = extension.toLowerCase();
-      if (Arrays.asList(VALUES_APPLET_EXTENSION).contains(ext)) {
-        session.setAttribute(ATTR_APPLET_EXTENSION, ext);
-        log.trace("Found parameter " + PARAM_APPLET_EXTENSION + "='" 
-            + ext + "'.");
-      } else {
-        StringBuilder sb = new StringBuilder();
-        sb.append("Applet parameter ").append(PARAM_APPLET_EXTENSION).append(
-            "='").append(extension).append("' is not valid (must be one of ")
-            .append(Arrays.toString(VALUES_APPLET_EXTENSION)).append(").");
-        log.warn(sb);
-      }
-    }
-
-    // locale
-    String localeFormParam = getStringFromStream(bindingProcessor
-        .getFormData(PARAM_LOCALE), charset);
-    if (localeFormParam != null) {
-      // must be a valid locale
-      if (PATTERN_LOCALE.matcher(localeFormParam).matches()) {
-        locale = new Locale(localeFormParam);
-        log.debug("Overrule accept-language header locale " + locale
-            + " with form param " + localeFormParam + ".");
-      } else {
-        log.warn("Parameter " + PARAM_LOCALE + "='" + localeFormParam
-            + "' is not a valid locale definition.");
-      }
-    }
-    if (locale != null) {
-      log.debug("Using locale " + locale);
-      session.setAttribute(ATTR_LOCALE, locale.toString());
-    }
-    
+  protected void beforeAppletPage(HttpServletRequest req, HTTPBindingProcessor bindingProcessor) {
     // handle server side redirect url after processing
-    String redirectUrl = bindingProcessor.getRedirectURL(); 
+    String redirectUrl = ((HTTPBindingProcessorImpl) bindingProcessor).getRedirectURL(); 
     if ( redirectUrl != null) {
-      log.info("Got redirect URL "+redirectUrl+". Deferring browser redirect.");
-      session.setAttribute(REDIRECT_URL_SESSION_ATTRIBUTE, redirectUrl);
+      log.info("Got redirect URL '{}'. Deferring browser redirect.", redirectUrl);
+      req.getSession().setAttribute(REDIRECT_URL_SESSION_ATTRIBUTE, redirectUrl);
     }
-
-    String appletPage = getStringFromStream(bindingProcessor
-        .getFormData(APPLET_PAGE_P), charset);
-    getDispatcher(appletPage).forward(req, resp);
   }
 
   @Override
-  protected void doGet(HttpServletRequest req, HttpServletResponse resp)
-      throws ServletException, java.io.IOException {
-    doPost(req, resp);
-  }
-
-  private RequestDispatcher getDispatcher(String appletPage) {
-    RequestDispatcher dispatcher = null;
-    if (appletPage != null) {
-      log.trace("requested appletPage " + appletPage);
-      dispatcher = getServletContext().getNamedDispatcher(appletPage);
-    }
-    if (dispatcher == null) {
-      log.debug("no appletPage requested or appletPage not configured, using default");
-      appletPage = APPLET_PAGE_DEFAULT;
-      dispatcher = getServletContext().getNamedDispatcher(appletPage);
-    }
-//    session.setAttribute(APPLET_PAGE_P, appletPage);
-    log.debug("forward to applet " + appletPage);
-
-    return dispatcher;
+  protected String getRequestProtocol(HttpServletRequest req) {
+    return "HTTP";
   }
 
 }