Make Twitter work

[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 320f4e102ab8df05c76f57bf703e35d0a24c9371..bfa1f2f0aebb3235493ae7f2bbd41340e9a5232e 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
@@ -57,6 +57,8 @@ class NodeHttp implements KernelConstants, ArgeoJcrConstants {
                 try {
                         httpService.registerServlet("/!", new LinkServlet(repository),
                                         null, null);
+                       httpService.registerServlet("/robots.txt", new RobotServlet(),
+                                       null, null);
                 } catch (Exception e) {
                         throw new CmsException("Cannot register filters", e);
                 }
@@ -150,6 +152,8 @@ class NodeHttp implements KernelConstants, ArgeoJcrConstants {
                                 buf.append("<head>");
                                 writeMeta(buf, "og:title", title);
                                 writeMeta(buf, "og:type", "website");
+                               buf.append("<meta name='twitter:card' content='summary' />");
+                               buf.append("<meta name='twitter:site' content='@argeo_org' />");
                                 writeMeta(buf, "og:url", url);
                                 if (desc != null)
                                         writeMeta(buf, "og:description", desc);
@@ -203,6 +207,22 @@ class NodeHttp implements KernelConstants, ArgeoJcrConstants {
                 }
         }
  
+       class RobotServlet extends HttpServlet {
+               private static final long serialVersionUID = 7935661175336419089L;
+
+               @Override
+               protected void service(HttpServletRequest request,
+                               HttpServletResponse response) throws ServletException,
+                               IOException {
+                       PrintWriter writer = response.getWriter();
+                       writer.append("User-agent: *\n");
+                       writer.append("Disallow:\n");
+                       response.setHeader("Content-Type", "text/plain");
+                       writer.flush();
+               }
+
+       }
+
         /** Intercepts all requests. Authenticates. */
         class RootFilter extends HttpFilter {