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Contents
# frozen_string_literal: true
require "rails/configuration"
require "action_dispatch/middleware/stack"
module AnyCable
module Rails
# Rack middleware stack to modify the HTTP request object.
#
# AnyCable Websocket server does not use Rack middleware processing mechanism (which Rails uses
# when Action Cable is mounted into the main app).
#
# Some middlewares could enhance request env with useful information.
#
# For instance, consider the Rails session middleware: it's responsible for restoring the
# session data from cookies.
#
# AnyCable adds session middleware by default to its own stack.
#
# You can also use any Rack/Rails middleware you want. For example, to enable CustomMiddleware
# you can add the following code to an initializer or any other configuration file:
#
# AnyCable::Rails::Rack.middleware.use CustomMiddleware
module Rack
def self.app_build_lock
@app_build_lock
end
@app_build_lock = Mutex.new
def self.middleware
@middleware ||= ::Rails::Configuration::MiddlewareStackProxy.new
end
def self.default_middleware_stack
config = ::Rails.application.config
ActionDispatch::MiddlewareStack.new do |middleware|
middleware.use(config.session_store, config.session_options) if config.session_store
end
end
def self.app
@rack_app || app_build_lock.synchronize do
@rack_app ||= default_middleware_stack.yield_self do |stack|
middleware.merge_into(stack)
end.yield_self do |stack|
stack.build { [-1, {}, []] }
end
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems