drop in redirect image url for urls blocked on petpages

app/controllers/items_controller.rb

@@ -41,6 +41,9 @@ class ItemsController < ApplicationController
   def show
     @item = Item.find params[:id]
 
+    respond_to do |format|
+      format.html do
+
         @trading_closet_hangers_by_owned = {
           true => @item.closet_hangers.owned_trading.newest.includes(:user),
           false => @item.closet_hangers.wanted_trading.newest.includes(:user)
@@ -53,6 +56,14 @@ class ItemsController < ApplicationController
             hanger
           end
         end
+
+      end
+
+      format.gif do
+        expires_in 1.month
+        redirect_to @item.thumbnail_url
+      end
+    end
   end
 
   def needed

app/helpers/closet_hangers_helper.rb

@@ -73,6 +73,21 @@ module ClosetHangersHelper
     item.name.gsub(/ on/i, ' o<b></b>n')
   end
 
+  PETPAGE_IMAGE_URL_BLACKLIST = %w(window. ondrop)
+  def petpage_item_thumbnail_url(item)
+    url = item.thumbnail_url
+
+    # If the URL includes any of the blacklisted terms, use our redirect URL
+    PETPAGE_IMAGE_URL_BLACKLIST.each do |term|
+      if url.include?(term)
+        url = item_url(item, :format => :gif)
+        break
+      end
+    end
+
+    url
+  end
+
   def public_perspective?
     @public_perspective
   end

app/views/closet_hangers/_petpage_hanger.html.haml

@@ -1,5 +1,5 @@
 %div.dti-item
-  = image_tag hanger.item.thumbnail_url, :alt => nil, :class => 'dti-item-thumbnail'
+  = image_tag petpage_item_thumbnail_url(hanger.item), :alt => nil, :class => 'dti-item-thumbnail'
   - if hanger.item.nc?
     = image_tag nc_icon_url, :alt => 'NC', :class => 'dti-item-nc', :title => 'This is an NC Mall item'
   %span= petpage_item_name hanger.item

config/application.rb

@@ -39,5 +39,8 @@ module OpenneoImpressItems
 
     # Configure sensitive parameters which will be filtered from the log file.
     config.filter_parameters << :password
+
+    Mime::Type.register "image/gif", :gif
   end
 end
+