Rewrite tumblr cdn urls

app/logical/downloads/strategies/tumblr.rb

@@ -2,7 +2,8 @@ module Downloads
   module Strategies
     class Tumblr < Base
       def rewrite(url, headers)
-        if url =~ %r{^http?://(?:(?:\d+\.)\w+\.)?tumblr\.com}
+        if url =~ %r{^https?://.*tumblr\.com}
+          url, headers = rewrite_cdn(url, headers)
           url, headers = rewrite_thumbnails(url, headers)
         end
 
@@ -23,6 +24,14 @@ module Downloads
 
         return [url, headers]
       end
+
+      def rewrite_cdn(url, headers)
+        if url =~ %r{https?://gs1\.wac\.edgecastcdn\.net/8019B6/data\.tumblr\.com/}
+          url.sub!("gs1.wac.edgecastcdn.net/8019B6/", "")
+        end
+
+        return [url, headers]
+      end
     end
   end
 end

app/models/artist.rb

@@ -32,7 +32,7 @@ class Artist < ActiveRecord::Base
           url = File.dirname(url) + "/"
           break if url =~ /pixiv\.net\/(?:img\/)?$/i
           break if url =~ /lohas\.nicoseiga\.jp\/priv\/$/i
-          break if url =~ /media\.tumblr\.com\/[a-z0-9]+\/$/i
+          break if url =~ /(?:data|media)\.tumblr\.com\/[a-z0-9]+\/$/i
           break if url =~ /deviantart\.net\//i
         end