stejan's Welt » Programming http://www.stejan.ch ste oder jan Sat, 14 Jan 2012 22:08:14 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 FULL JOIN in MySQL http://www.stejan.ch/2009/12/01/full-join-in-mysql/ http://www.stejan.ch/2009/12/01/full-join-in-mysql/#comments Tue, 01 Dec 2009 21:31:46 +0000 stejan http://www.stejan.ch/?p=586 Schon mal gefragt, wie man ein FULL JOIN in MySQL macht?

Dann gibt’s hier einige Lösungen.
http://www.xaprb.com/blog/2006/05/26/how-to-write-full-outer-join-in-mysql/

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]]> http://www.stejan.ch/2009/12/01/full-join-in-mysql/feed/ 0 CQ and 401/404 http://www.stejan.ch/2009/04/09/cq-and-401404/ http://www.stejan.ch/2009/04/09/cq-and-401404/#comments Wed, 08 Apr 2009 22:29:05 +0000 stejan http://www.stejan.ch/?p=413 In the newest version of Day CQ WCM there is one big problem about the HTTP Response Status 401 and 404.

My problem: I wanted to make a CUG (Closed User Group).

So I set the permissions as I expected in CQ4:

pagestructuresurfer_rightscug_rights

On a call to this locked page I expected a 401 Not Authorized and a login page or login box. But what I got was a 404 Page Not Found. Hmmm strange!!

cug_404

This implementation is (on my opinion) really wrong. With this implementation it’s never possible to create a CUG accessed page.

But there is a workaround:

  • copy the file /libs/sling/servlet/errorhandler/404.jsp to /apps.
  • get the admin session
  • check (with the admin session) if the required page exists
  • if so –> send 401
  • else send 404
...
if(isClosedUserGroup(sling, resource)){
  response.setStatus(401);
  response.addHeader("WWW-Authenticate", "Basic realm=\"myrealm\"");
} else {
  response.setStatus(404);

%><!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>404 Not Found</title>
</head><body>
<h1>Not Found</h1>
<p>The requested URL <%=request.getRequestURI()%>
      was not found on this server.</p>
<hr>
<address>
<%=this.getServletConfig().getServletContext().getServerInfo()%>
</address>
</body></html><%
}
...

That’s it.

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]]> http://www.stejan.ch/2009/04/09/cq-and-401404/feed/ 0 How to get the admin session http://www.stejan.ch/2009/03/07/how-to-get-the-admin-session/ http://www.stejan.ch/2009/03/07/how-to-get-the-admin-session/#comments Sat, 07 Mar 2009 21:47:26 +0000 stejan http://www.stejan.ch/?p=409 I now work since 3 months with cq5 and I realy like it. But there are so many new things to learn!!

For example the thing: How do I have to get the admin session?

Thanks Julian for your help. I would never get it myself. 

 

final SlingRepository repo = sling.getService(SlingRepository.class);
final JcrResourceResolverFactory resolverFactory = 
      sling.getService(JcrResourceResolverFactory.class);
final Session admin;
try {
   admin = repo.loginAdministrative(null);
} catch (RepositoryException e) {
   // If we can't get the admin session it's safer to assume no CUG
   sling.getResponse().getWriter().println("Admin session not available...");
   return false;
}

//Access to the Sling API
final ResourceResolver adminResourceResolver =
      resolverFactory.getResourceResolver(admin);

//Access to the CQ5 Page-API
PageManager adminPageManager = adminResourceResolver.adaptTo(PageManager.class);

final Resource adminResource = adminResourceResolver.resolve(resource.getPath());

//To get to the resource or page the following should give you a pointer:
final Page page = adminPageManager.getContainingPage(adminResource);

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