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[lgpl/argeo-commons.git] / org.argeo.cms / src / org / argeo / cms / internal / kernel / NodeHttp.java

diff --git a/org.argeo.cms/src/org/argeo/cms/internal/kernel/NodeHttp.java b/org.argeo.cms/src/org/argeo/cms/internal/kernel/NodeHttp.java
index 5e1f39acb1f7a57d0651a0976a5c0cc786a781a1..1d0f0be446f7591e55f94cb0ba11c2d7d5ffc1cc 100644 (file)
--- a/org.argeo.cms/src/org/argeo/cms/internal/kernel/NodeHttp.java
+++ b/org.argeo.cms/src/org/argeo/cms/internal/kernel/NodeHttp.java
@@ -6,6 +6,7 @@ import java.util.Enumeration;
 
 import javax.servlet.FilterChain;
 import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpSession;
@@ -20,23 +21,23 @@ import org.eclipse.equinox.http.servlet.ExtendedHttpService;
  * Intercepts and enriches http access, mainly focusing on security and
  * transactionality.
  */
-@Deprecated
 class NodeHttp implements KernelConstants, ArgeoJcrConstants {
        private final static Log log = LogFactory.getLog(NodeHttp.class);
 
        // Filters
-       private final RootFilter rootFilter;
+       // private final RootFilter rootFilter;
 
        // private final DoSFilter dosFilter;
        // private final QoSFilter qosFilter;
 
        NodeHttp(ExtendedHttpService httpService) {
-               rootFilter = new RootFilter();
+               // rootFilter = new RootFilter();
                // dosFilter = new CustomDosFilter();
                // qosFilter = new QoSFilter();
 
                try {
-                       httpService.registerFilter("/", rootFilter, null, null);
+                       httpService.registerServlet("/!", new LinkServlet(), null, null);
+                       // httpService.registerFilter("/", rootFilter, null, null);
                } catch (Exception e) {
                        throw new CmsException("Cannot register filters", e);
                }
@@ -45,6 +46,42 @@ class NodeHttp implements KernelConstants, ArgeoJcrConstants {
        public void destroy() {
        }
 
+       class LinkServlet extends HttpServlet {
+               private static final long serialVersionUID = 3749990143146845708L;
+
+               @Override
+               protected void service(HttpServletRequest request,
+                               HttpServletResponse response) throws ServletException,
+                               IOException {
+                       String path = request.getPathInfo();
+                       String userAgent = request.getHeader("User-Agent").toLowerCase();
+                       boolean isBot = false;
+                       boolean isCompatibleBrowser = false;
+                       if (userAgent.contains("bot")) {
+                               isBot = true;
+                       } else if (userAgent.contains("webkit")
+                                       || userAgent.contains("gecko")
+                                       || userAgent.contains("firefox")
+                                       || userAgent.contains("msie")
+                                       || userAgent.contains("chrome")
+                                       || userAgent.contains("chromium")
+                                       || userAgent.contains("opera")
+                                       || userAgent.contains("browser")) {
+                               isCompatibleBrowser = true;
+                       }
+
+                       if (isCompatibleBrowser) {// redirect
+                               response.setHeader("Location", "/#" + path);
+                               response.setStatus(HttpServletResponse.SC_FOUND);
+                       } else {
+                               if (isBot && log.isDebugEnabled())
+                                       log.debug(request.getHeader("User-Agent") + " is a bot");
+                               // TODO pure html
+                               throw new UnsupportedOperationException();
+                       }
+               }
+       }
+
        /** Intercepts all requests. Authenticates. */
        class RootFilter extends HttpFilter {