Pluploadのflashで複数アップロードでcookieが送信されなくて困る lib/flash_session_cookie_middleware.rb ---------------- require 'rack/utils' class FlashSessionCookieMiddleware def initialize(app, session_key = '_session_id') @app = app @session_key = session_key end def call(env) if env['HTTP_USER_AGENT'] =~ /^(Adobe|Shockwave) Flash/ params = ::Rack::Request.new(env).params env['HTTP_COOKIE'] = [ @session_key, params[@session_key] ].join('=').freeze unless params[@session_key].nil? end @app.call(env) end end ---------------- config/initializers/session_store.rb ---------------- Rails.application.config.middleware.insert_before( Rails.application.config.session_store, FlashSessionCookieMiddleware, Rails.application.config.session_options[:key] ) ---------------- flashのparamsに ---------------- { authenticity_token : '<%= form_authenticity_token %>', <%- session_key_name = Rails.application.config.session_options[:key] -%> <%= "#{session_key_name} : '#{cookies[session_key_name]}'" %> } ----------------