module ZuoraConnect
  class BadMultipartFormDataSanitizer
    def initialize(app)
      @app = app
    end

    def call(env)
      if env['CONTENT_TYPE'] =~ /multipart\/form-data/
        begin
          Rack::Multipart.parse_multipart(env)
        rescue EOFError => ex
          # set content-type to multipart/form-data without the boundary part
          # to handle the case where empty content is submitted
          env['CONTENT_TYPE'] = 'multipart/form-data'
        end
      end

      @app.call(env)
    end
  end
end