Configure subdirectory level for upload.pm

This allows to post to per-domain subdirectories from XMPP clients.

site-cookbooks/kosmos-ejabberd/recipes/upload_service.rb

@@ -23,10 +23,14 @@ directory "/var/www/upload" do
   mode "0755"
 end
 
-ruby_block "configure uploads secret" do
+ruby_block "configure uploads.pm" do
   block do
     file = Chef::Util::FileEdit.new("/opt/upload.pm/upload.pm")
     file.search_file_replace(%r{it-is-secret}, uploads_secret)
+    file.search_file_replace_line(
+      %r{my \$uri_prefix_components = 0;},
+      'my $uri_prefix_components = 1;'
+    )
     file.write_file
   end
 end