diff options
Diffstat (limited to 'railties/lib/rails/application.rb')
-rw-r--r-- | railties/lib/rails/application.rb | 164 |
1 files changed, 135 insertions, 29 deletions
diff --git a/railties/lib/rails/application.rb b/railties/lib/rails/application.rb index cbb2d23238..c4edbae55b 100644 --- a/railties/lib/rails/application.rb +++ b/railties/lib/rails/application.rb @@ -1,7 +1,4 @@ -require 'active_support/core_ext/hash/reverse_merge' -require 'active_support/file_update_checker' require 'fileutils' -require 'rails/plugin' require 'rails/engine' module Rails @@ -10,7 +7,7 @@ module Rails # # == Initialization # - # Rails::Application is responsible for executing all railties, engines and plugin + # Rails::Application is responsible for executing all railties and engines # initializers. It also executes some bootstrap initializers (check # Rails::Application::Bootstrap) and finishing initializers, after all the others # are executed (check Rails::Application::Finisher). @@ -20,7 +17,7 @@ module Rails # Besides providing the same configuration as Rails::Engine and Rails::Railtie, # the application object has several specific configurations, for example # "allow_concurrency", "cache_classes", "consider_all_requests_local", "filter_parameters", - # "logger", "reload_plugins" and so forth. + # "logger" and so forth. # # Check Rails::Application::Configuration to see them all. # @@ -33,6 +30,25 @@ module Rails # # The Application is also responsible for building the middleware stack. # + # == Booting process + # + # The application is also responsible for setting up and executing the booting + # process. From the moment you require "config/application.rb" in your app, + # the booting process goes like this: + # + # 1) require "config/boot.rb" to setup load paths + # 2) require railties and engines + # 3) Define Rails.application as "class MyApp::Application < Rails::Application" + # 4) Run config.before_configuration callbacks + # 5) Load config/environments/ENV.rb + # 6) Run config.before_initialize callbacks + # 7) Run Railtie#initializer defined by railties, engines and application. + # One by one, each engine sets up its load paths, routes and runs its config/initializers/* files. + # 9) Custom Railtie#initializers added by railties, engines and applications are executed + # 10) Build the middleware stack and run to_prepare callbacks + # 11) Run config.before_eager_load and eager_load if cache classes is true + # 12) Run config.after_initialize callbacks + # class Application < Engine autoload :Bootstrap, 'rails/application/bootstrap' autoload :Configuration, 'rails/application/configuration' @@ -50,14 +66,17 @@ module Rails end end - attr_accessor :assets, :sandbox + attr_accessor :assets, :sandbox, :queue_consumer alias_method :sandbox?, :sandbox + attr_reader :reloaders + attr_writer :queue delegate :default_url_options, :default_url_options=, :to => :routes def initialize super @initialized = false + @reloaders = [] end # This method is called just after an application inherits from Rails::Application, @@ -83,68 +102,133 @@ module Rails require environment if environment end + # Reload application routes regardless if they changed or not. def reload_routes! routes_reloader.reload! end - def routes_reloader + def routes_reloader #:nodoc: @routes_reloader ||= RoutesReloader.new end - def initialize!(group=:default) + # Returns an array of file paths appended with a hash of directories-extensions + # suitable for ActiveSupport::FileUpdateChecker API. + def watchable_args + files, dirs = config.watchable_files.dup, config.watchable_dirs.dup + + ActiveSupport::Dependencies.autoload_paths.each do |path| + dirs[path.to_s] = [:rb] + end + + [files, dirs] + end + + # Initialize the application passing the given group. By default, the + # group is :default but sprockets precompilation passes group equals + # to assets if initialize_on_precompile is false to avoid booting the + # whole app. + def initialize!(group=:default) #:nodoc: raise "Application has been already initialized." if @initialized run_initializers(group, self) @initialized = true self end + def initialized? + @initialized + end + + # Load the application and its railties tasks and invoke the registered hooks. + # Check <tt>Rails::Railtie.rake_tasks</tt> for more info. def load_tasks(app=self) initialize_tasks super self end + # Load the application console and invoke the registered hooks. + # Check <tt>Rails::Railtie.console</tt> for more info. def load_console(app=self) initialize_console super self end - # Rails.application.env_config stores some of the Rails initial environment parameters. - # Currently stores: - # - # * action_dispatch.parameter_filter" => config.filter_parameters, - # * action_dispatch.secret_token" => config.secret_token, - # * action_dispatch.show_exceptions" => config.action_dispatch.show_exceptions - # - # These parameters will be used by middlewares and engines to configure themselves. - # + # Stores some of the Rails initial environment parameters which + # will be used by middlewares and engines to configure themselves. def env_config @env_config ||= super.merge({ "action_dispatch.parameter_filter" => config.filter_parameters, "action_dispatch.secret_token" => config.secret_token, - "action_dispatch.show_exceptions" => config.action_dispatch.show_exceptions + "action_dispatch.show_exceptions" => config.action_dispatch.show_exceptions, + "action_dispatch.show_detailed_exceptions" => config.consider_all_requests_local, + "action_dispatch.logger" => Rails.logger, + "action_dispatch.backtrace_cleaner" => Rails.backtrace_cleaner }) end - def initializers + # Returns the ordered railties for this application considering railties_order. + def ordered_railties #:nodoc: + @ordered_railties ||= begin + order = config.railties_order.map do |railtie| + if railtie == :main_app + self + elsif railtie.respond_to?(:instance) + railtie.instance + else + railtie + end + end + + all = (railties.all - order) + all.push(self) unless all.include?(self) + order.push(:all) unless order.include?(:all) + + index = order.index(:all) + order[index] = all + order.reverse.flatten + end + end + + def initializers #:nodoc: Bootstrap.initializers_for(self) + super + Finisher.initializers_for(self) end - def config + def config #:nodoc: @config ||= Application::Configuration.new(find_root_with_flag("config.ru", Dir.pwd)) end + def queue #:nodoc: + @queue ||= build_queue + end + + def build_queue # :nodoc: + config.queue.new + end + def to_app self end + def helpers_paths #:nodoc: + config.helpers_paths + end + + def call(env) + env["ORIGINAL_FULLPATH"] = build_original_fullpath(env) + super(env) + end + protected alias :build_middleware_stack :app + def reload_dependencies? + config.reload_classes_only_on_change != true || reloaders.map(&:updated?).any? + end + def default_middleware_stack ActionDispatch::MiddlewareStack.new.tap do |middleware| if rack_cache = config.action_controller.perform_caching && config.action_dispatch.rack_cache @@ -153,8 +237,11 @@ module Rails end if config.force_ssl - require "rack/ssl" - middleware.use ::Rack::SSL, config.ssl_options + middleware.use ::ActionDispatch::SSL, config.ssl_options + end + + if config.action_dispatch.x_sendfile_header.present? + middleware.use ::Rack::Sendfile, config.action_dispatch.x_sendfile_header end if config.serve_static_assets @@ -164,17 +251,24 @@ module Rails middleware.use ::Rack::Lock unless config.allow_concurrency middleware.use ::Rack::Runtime middleware.use ::Rack::MethodOverride - middleware.use ::Rails::Rack::Logger # must come after Rack::MethodOverride to properly log overridden methods - middleware.use ::ActionDispatch::ShowExceptions, config.consider_all_requests_local + middleware.use ::ActionDispatch::RequestId + middleware.use ::Rails::Rack::Logger, config.log_tags # must come after Rack::MethodOverride to properly log overridden methods + middleware.use ::ActionDispatch::ShowExceptions, config.exceptions_app || ActionDispatch::PublicExceptions.new(Rails.public_path) + middleware.use ::ActionDispatch::DebugExceptions middleware.use ::ActionDispatch::RemoteIp, config.action_dispatch.ip_spoofing_check, config.action_dispatch.trusted_proxies - if config.action_dispatch.x_sendfile_header.present? - middleware.use ::Rack::Sendfile, config.action_dispatch.x_sendfile_header + + unless config.cache_classes + app = self + middleware.use ::ActionDispatch::Reloader, lambda { app.reload_dependencies? } end - middleware.use ::ActionDispatch::Reloader unless config.cache_classes + middleware.use ::ActionDispatch::Callbacks middleware.use ::ActionDispatch::Cookies if config.session_store + if config.force_ssl && !config.session_options.key?(:secure) + config.session_options[:secure] = true + end middleware.use config.session_store, config.session_options middleware.use ::ActionDispatch::Flash end @@ -190,7 +284,7 @@ module Rails end end - def initialize_tasks + def initialize_tasks #:nodoc: self.class.rake_tasks do require "rails/tasks" task :environment do @@ -200,10 +294,22 @@ module Rails end end - def initialize_console + def initialize_console #:nodoc: require "pp" require "rails/console/app" require "rails/console/helpers" end + + def build_original_fullpath(env) + path_info = env["PATH_INFO"] + query_string = env["QUERY_STRING"] + script_name = env["SCRIPT_NAME"] + + if query_string.present? + "#{script_name}#{path_info}?#{query_string}" + else + "#{script_name}#{path_info}" + end + end end end |