Debugging file upload

gistfile1.rb

post '/file_upload' do
  @skype_name = params[:user]
  if params[:action] == "FILE-UPLOAD"
    unless params[:name].match(/\.jpg|png|jpeg/).nil?
      current_user = User[:skype_name => @skype_name, :current_account => "1"]
      client = current_user.authorize_to_twitter
      datafile = Tempfile.new(params[:data])
      client.update_with_media("File upload from Skype: ", datafile)
      return "text: File posted."
      datafile.unlink
    end
  end
end