Fix fb share, redirect with js when the page is not requested by fb but by user

app/controllers/application_controller.rb

@@ -112,7 +112,7 @@ class ApplicationController < ActionController::Base
     @object = object_class.find(params[:id])
     module_app = ModuleApp.first(:conditions => {:key => params[:key]})
     @item = Item.where(module_app_id: module_app.id).all_of("tag" => {"$in" => [nil,'']},"category" => { "$in" => [nil,'']}).first
-    @orig_url = "http://#{request.host}/#{@item.path}?id=#{@object.id}"
+    @orig_url = "http://#{request.host_with_port}/#{@item.path}?id=#{@object.id}"
     render 'shared/render_share', :layout => false
   end