diff options
Diffstat (limited to 'railties/lib/rails/application.rb')
| -rw-r--r-- | railties/lib/rails/application.rb | 254 |
1 files changed, 129 insertions, 125 deletions
diff --git a/railties/lib/rails/application.rb b/railties/lib/rails/application.rb index eff5bbbdd6..d1e88cfafd 100644 --- a/railties/lib/rails/application.rb +++ b/railties/lib/rails/application.rb @@ -1,5 +1,6 @@ require 'fileutils' -require 'active_support/queueing' +require 'active_support/core_ext/object/blank' +require 'active_support/key_generator' require 'rails/engine' module Rails @@ -45,43 +46,84 @@ module Rails # 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 eager_load is true - # 12) Run config.after_initialize callbacks + # 8) Custom Railtie#initializers added by railties, engines and applications are executed + # 9) Build the middleware stack and run to_prepare callbacks + # 10) Run config.before_eager_load and eager_load! if eager_load is true + # 11) Run config.after_initialize callbacks # + # == Multiple Applications + # + # If you decide to define multiple applications, then the first application + # that is initialized will be set to +Rails.application+, unless you override + # it with a different application. + # + # To create a new application, you can instantiate a new instance of a class + # that has already been created: + # + # class Application < Rails::Application + # end + # + # first_application = Application.new + # second_application = Application.new(config: first_application.config) + # + # In the above example, the configuration from the first application was used + # to initialize the second application. You can also use the +initialize_copy+ + # on one of the applications to create a copy of the application which shares + # the configuration. + # + # If you decide to define rake tasks, runners, or initializers in an + # application other than +Rails.application+, then you must run those + # these manually. class Application < Engine - autoload :Bootstrap, 'rails/application/bootstrap' - autoload :Configuration, 'rails/application/configuration' - autoload :Finisher, 'rails/application/finisher' - autoload :RoutesReloader, 'rails/application/routes_reloader' + autoload :Bootstrap, 'rails/application/bootstrap' + autoload :Configuration, 'rails/application/configuration' + autoload :DefaultMiddlewareStack, 'rails/application/default_middleware_stack' + autoload :Finisher, 'rails/application/finisher' + autoload :Railties, 'rails/engine/railties' + autoload :RoutesReloader, 'rails/application/routes_reloader' class << self def inherited(base) - raise "You cannot have more than one Rails::Application" if Rails.application super - Rails.application = base.instance - Rails.application.add_lib_to_load_path! - ActiveSupport.run_load_hooks(:before_configuration, base.instance) + Rails.application ||= base.instance end + + # Makes the +new+ method public. + # + # Note that Rails::Application inherits from Rails::Engine, which + # inherits from Rails::Railtie and the +new+ method on Rails::Railtie is + # private + public :new end - attr_accessor :assets, :sandbox, :queue_consumer + attr_accessor :assets, :sandbox alias_method :sandbox?, :sandbox attr_reader :reloaders - attr_writer :queue delegate :default_url_options, :default_url_options=, to: :routes - def initialize - super + INITIAL_VARIABLES = [:config, :railties, :routes_reloader, :reloaders, + :routes, :helpers, :app_env_config] # :nodoc: + + def initialize(initial_variable_values = {}, &block) + super() @initialized = false @reloaders = [] @routes_reloader = nil - @env_config = nil + @app_env_config = nil @ordered_railties = nil @railties = nil - @queue = nil + + add_lib_to_load_path! + ActiveSupport.run_load_hooks(:before_configuration, self) + + initial_variable_values.each do |variable_name, value| + if INITIAL_VARIABLES.include?(variable_name) + instance_variable_set("@#{variable_name}", value) + end + end + + instance_eval(&block) if block_given? end # Returns true if the application is initialized. @@ -93,6 +135,7 @@ module Rails # dispatches the request to the underlying middleware stack. def call(env) env["ORIGINAL_FULLPATH"] = build_original_fullpath(env) + env["ORIGINAL_SCRIPT_NAME"] = env["SCRIPT_NAME"] super(env) end @@ -101,37 +144,66 @@ module Rails routes_reloader.reload! end - # Return the application's KeyGenerator def key_generator # number of iterations selected based on consultation with the google security # team. Details at https://github.com/rails/rails/pull/6952#issuecomment-7661220 - @key_generator ||= ActiveSupport::KeyGenerator.new(config.secret_token, iterations: 1000) + @caching_key_generator ||= begin + if config.secret_key_base + key_generator = ActiveSupport::KeyGenerator.new(config.secret_key_base, iterations: 1000) + ActiveSupport::CachingKeyGenerator.new(key_generator) + else + ActiveSupport::LegacyKeyGenerator.new(config.secret_token) + end + end end # Stores some of the Rails initial environment parameters which # will be used by middlewares and engines to configure themselves. - # 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, - # * "action_dispatch.show_detailed_exceptions" => config.consider_all_requests_local, - # * "action_dispatch.logger" => Rails.logger, - # * "action_dispatch.backtrace_cleaner" => Rails.backtrace_cleaner - # - # These parameters 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_detailed_exceptions" => config.consider_all_requests_local, - "action_dispatch.logger" => Rails.logger, - "action_dispatch.backtrace_cleaner" => Rails.backtrace_cleaner, - "action_dispatch.key_generator" => key_generator - }) + @app_env_config ||= begin + validate_secret_key_config! + + super.merge({ + "action_dispatch.parameter_filter" => config.filter_parameters, + "action_dispatch.redirect_filter" => config.filter_redirect, + "action_dispatch.secret_token" => config.secret_token, + "action_dispatch.secret_key_base" => config.secret_key_base, + "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, + "action_dispatch.key_generator" => key_generator, + "action_dispatch.http_auth_salt" => config.action_dispatch.http_auth_salt, + "action_dispatch.signed_cookie_salt" => config.action_dispatch.signed_cookie_salt, + "action_dispatch.encrypted_cookie_salt" => config.action_dispatch.encrypted_cookie_salt, + "action_dispatch.encrypted_signed_cookie_salt" => config.action_dispatch.encrypted_signed_cookie_salt + }) + end + end + + # If you try to define a set of rake tasks on the instance, these will get + # passed up to the rake tasks defined on the application's class. + def rake_tasks(&block) + self.class.rake_tasks(&block) + end + + # Sends the initializers to the +initializer+ method defined in the + # Rails::Initializable module. Each Rails::Application class has its own + # set of initializers, as defined by the Initializable module. + def initializer(name, opts={}, &block) + self.class.initializer(name, opts, &block) + end + + # Sends any runner called in the instance of a new application up + # to the +runner+ method defined in Rails::Railtie. + def runner(&blk) + self.class.runner(&blk) + end + + # Sends the +isolate_namespace+ method up to the class method. + def isolate_namespace(mod) + self.class.isolate_namespace(mod) end ## Rails internal API @@ -151,7 +223,9 @@ module Rails # you need to load files in lib/ during the application configuration as well. def add_lib_to_load_path! #:nodoc: path = File.join config.root, 'lib' - $LOAD_PATH.unshift(path) if File.exists?(path) + if File.exist?(path) && !$LOAD_PATH.include?(path) + $LOAD_PATH.unshift(path) + end end def require_environment! #:nodoc: @@ -177,9 +251,7 @@ module Rails 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. + # group is :default def initialize!(group=:default) #:nodoc: raise "Application has been already initialized." if @initialized run_initializers(group, self) @@ -197,8 +269,8 @@ module Rails @config ||= Application::Configuration.new(find_root_with_flag("config.ru", Dir.pwd)) end - def queue #:nodoc: - @queue ||= config.queue || ActiveSupport::Queue.new + def config=(configuration) #:nodoc: + @config = configuration end def to_app #:nodoc: @@ -209,11 +281,6 @@ module Rails config.helpers_paths end - def railties #:nodoc: - @railties ||= Rails::Railtie.subclasses.map(&:instance) + - Rails::Engine.subclasses.map(&:instance) - end - protected alias :build_middleware_stack :app @@ -222,9 +289,9 @@ module Rails railties.each { |r| r.run_tasks_blocks(app) } super require "rails/tasks" - config = self.config task :environment do - config.eager_load = false + ActiveSupport.on_load(:before_initialize) { config.eager_load = false } + require_environment! end end @@ -279,78 +346,9 @@ module Rails initializers end - def reload_dependencies? #:nodoc: - config.reload_classes_only_on_change != true || reloaders.map(&:updated?).any? - end - def default_middleware_stack #:nodoc: - ActionDispatch::MiddlewareStack.new.tap do |middleware| - app = self - if rack_cache = config.action_controller.perform_caching && config.action_dispatch.rack_cache - begin - require 'rack/cache' - rescue LoadError => error - error.message << ' Be sure to add rack-cache to your Gemfile' - raise - end - - if rack_cache == true - rack_cache = { - metastore: "rails:/", - entitystore: "rails:/", - verbose: false - } - end - - require "action_dispatch/http/rack_cache" - middleware.use ::Rack::Cache, rack_cache - end - - if config.force_ssl - 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 - middleware.use ::ActionDispatch::Static, paths["public"].first, config.static_cache_control - end - - middleware.use ::Rack::Lock unless config.cache_classes - middleware.use ::Rack::Runtime - middleware.use ::Rack::MethodOverride - 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, app - middleware.use ::ActionDispatch::RemoteIp, config.action_dispatch.ip_spoofing_check, config.action_dispatch.trusted_proxies - - unless config.cache_classes - middleware.use ::ActionDispatch::Reloader, lambda { app.reload_dependencies? } - end - - 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 - - middleware.use ::ActionDispatch::ParamsParser - middleware.use ::Rack::Head - middleware.use ::Rack::ConditionalGet - middleware.use ::Rack::ETag, "no-cache" - - if config.action_dispatch.best_standards_support - middleware.use ::ActionDispatch::BestStandardsSupport, config.action_dispatch.best_standards_support - end - end + default_stack = DefaultMiddlewareStack.new(self, config, paths) + default_stack.build_stack end def build_original_fullpath(env) #:nodoc: @@ -364,5 +362,11 @@ module Rails "#{script_name}#{path_info}" end end + + def validate_secret_key_config! #:nodoc: + if config.secret_key_base.blank? && config.secret_token.blank? + raise "You must set config.secret_key_base in your app's config." + end + end end end |