X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/04474c1980a751d4b6ca205e47b82e6471028e7f..88a1cd8bdc3da0baf43aa8c3f4f6095af5282348:/apps/catalogue/views.py

diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py
index ade37e52a..d8a61e35e 100644
--- a/apps/catalogue/views.py
+++ b/apps/catalogue/views.py
@@ -97,13 +97,17 @@ def book_list(request):
 
 
 def tagged_object_list(request, tags=''):
+    # Prevent DoS attacks on our database
+    if len(tags.split('/')) > 6:
+        raise Http404
+        
     try:
         tags = models.Tag.get_tag_list(tags)
     except models.Tag.DoesNotExist:
         raise Http404
     
     model = models.Book
-    shelf_is_set = any(tag.category == 'set' for tag in tags)
+    shelf_is_set = (len(tags) == 1 and tags[0].category == 'set')
     theme_is_set = any(tag.category == 'theme' for tag in tags)
     if theme_is_set:
         model = models.Fragment