diff --git a/wiki/auth/categorie_public.py b/wiki/auth/categorie_public.py
index 6a62070c..04a667b6 100644
--- a/wiki/auth/categorie_public.py
+++ b/wiki/auth/categorie_public.py
@@ -32,10 +32,31 @@ class PublicCategories(AnonymousAuth):
 
     def can_view(self, request):
         p = urlparse.urlparse(request.url)
-        categories = Page(request, p.path[1:]).getCategories(request)
+        if p.path[1:] == "":
+            return False
+        if request.page is not None:
+            sys.stderr.write("Getting page from cache")
+            page = request.page
+        else:
+            page = Page(request, unicode(urllib.unquote(p.path[1:]),'utf-8'))
+        acl = page.getACL(request)
+        if acl.acl and [a[0] for a in acl.acl if a[0] == 'All' and a[1].get('read',False)]:
+            sys.stderr.write("acl All:read\n")
+            return False
+        categories = page.getCategories(request)
+        if categories:
+            for cat in self.pub_cats:
+                if cat in categories:
+                    sys.stderr.write("%r dans la page %r\n" % (cat, p.path[1:]))
+                    return True
+        else:
+            sys.stderr.write("categories is empty, searching in page body of %s\n" % p.path[1:])
+            body = page.getPageText()
+            for cat in self.pub_cats:
+                if cat in body:
+                    sys.stderr.write("%r dans la page %r\n" % (cat, p.path[1:]))
+                    return True
 
-        for cat in self.pub_cats:
-            if cat in categories:
-                return True
+        sys.stderr.write("%r n'est pas dans la page %r, %r\n" % (cat, p.path[1:], categories))
         return False