fix for someone sending weird URI requests periodically

app/blog.rb

@@ -8,5 +8,15 @@ end
 
 get '/blog/:article' do |article|
   expires 500, :public, :must_revalidate
+
+  attempted = false
+
+  begin
     return Net::HTTP.get_response(URI("http://blog.neocities.org/#{article}.html")).body
+  rescue => e
+    raise e if attempted
+    attempted = true
+    article = article.match(/^[a-zA-Z0-9-]+/).to_s
+    retry
+  end
 end