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-rw-r--r--railties/lib/rails/application/bootstrap.rb5
-rw-r--r--railties/lib/rails/application/configuration.rb177
-rw-r--r--railties/lib/rails/application/default_middleware_stack.rb46
-rw-r--r--railties/lib/rails/application/finisher.rb107
4 files changed, 233 insertions, 102 deletions
diff --git a/railties/lib/rails/application/bootstrap.rb b/railties/lib/rails/application/bootstrap.rb
index 0f4d932749..11da271501 100644
--- a/railties/lib/rails/application/bootstrap.rb
+++ b/railties/lib/rails/application/bootstrap.rb
@@ -1,3 +1,4 @@
+require "fileutils"
require "active_support/notifications"
require "active_support/dependencies"
require "active_support/descendants_tracker"
@@ -35,7 +36,7 @@ INFO
FileUtils.mkdir_p File.dirname path
end
- f = File.open path, 'a'
+ f = File.open path, "a"
f.binmode
f.sync = config.autoflush_log # if true make sure every write flushes
@@ -63,7 +64,7 @@ INFO
Rails.cache = ActiveSupport::Cache.lookup_store(config.cache_store)
if Rails.cache.respond_to?(:middleware)
- config.middleware.insert_before("Rack::Runtime", Rails.cache.middleware)
+ config.middleware.insert_before(::Rack::Runtime, Rails.cache.middleware)
end
end
end
diff --git a/railties/lib/rails/application/configuration.rb b/railties/lib/rails/application/configuration.rb
index 78a47fcda9..810750ed35 100644
--- a/railties/lib/rails/application/configuration.rb
+++ b/railties/lib/rails/application/configuration.rb
@@ -1,7 +1,10 @@
-require 'active_support/core_ext/kernel/reporting'
-require 'active_support/file_update_checker'
-require 'rails/engine/configuration'
-require 'rails/source_annotation_extractor'
+require "active_support/core_ext/kernel/reporting"
+require "active_support/file_update_checker"
+require "rails/engine/configuration"
+require "rails/source_annotation_extractor"
+
+require "active_support/deprecation"
+require "active_support/core_ext/string/strip" # for strip_heredoc
module Rails
class Application
@@ -11,45 +14,75 @@ module Rails
:eager_load, :exceptions_app, :file_watcher, :filter_parameters,
:force_ssl, :helpers_paths, :logger, :log_formatter, :log_tags,
:railties_order, :relative_url_root, :secret_key_base, :secret_token,
- :serve_static_files, :ssl_options, :static_cache_control, :static_index,
+ :ssl_options, :public_file_server,
:session_options, :time_zone, :reload_classes_only_on_change,
- :beginning_of_week, :filter_redirect, :x
+ :beginning_of_week, :filter_redirect, :x, :enable_dependency_loading
attr_writer :log_level
- attr_reader :encoding
+ attr_reader :encoding, :api_only, :static_cache_control
def initialize(*)
super
self.encoding = "utf-8"
- @allow_concurrency = nil
- @consider_all_requests_local = false
- @filter_parameters = []
- @filter_redirect = []
- @helpers_paths = []
- @serve_static_files = true
- @static_cache_control = nil
- @static_index = "index"
- @force_ssl = false
- @ssl_options = {}
- @session_store = :cookie_store
- @session_options = {}
- @time_zone = "UTC"
- @beginning_of_week = :monday
- @log_level = nil
- @middleware = app_middleware
- @generators = app_generators
- @cache_store = [ :file_store, "#{root}/tmp/cache/" ]
- @railties_order = [:all]
- @relative_url_root = ENV["RAILS_RELATIVE_URL_ROOT"]
- @reload_classes_only_on_change = true
- @file_watcher = ActiveSupport::FileUpdateChecker
- @exceptions_app = nil
- @autoflush_log = true
- @log_formatter = ActiveSupport::Logger::SimpleFormatter.new
- @eager_load = nil
- @secret_token = nil
- @secret_key_base = nil
- @x = Custom.new
+ @allow_concurrency = nil
+ @consider_all_requests_local = false
+ @filter_parameters = []
+ @filter_redirect = []
+ @helpers_paths = []
+ @public_file_server = ActiveSupport::OrderedOptions.new
+ @public_file_server.enabled = true
+ @public_file_server.index_name = "index"
+ @force_ssl = false
+ @ssl_options = {}
+ @session_store = nil
+ @time_zone = "UTC"
+ @beginning_of_week = :monday
+ @log_level = nil
+ @generators = app_generators
+ @cache_store = [ :file_store, "#{root}/tmp/cache/" ]
+ @railties_order = [:all]
+ @relative_url_root = ENV["RAILS_RELATIVE_URL_ROOT"]
+ @reload_classes_only_on_change = true
+ @file_watcher = ActiveSupport::FileUpdateChecker
+ @exceptions_app = nil
+ @autoflush_log = true
+ @log_formatter = ActiveSupport::Logger::SimpleFormatter.new
+ @eager_load = nil
+ @secret_token = nil
+ @secret_key_base = nil
+ @api_only = false
+ @debug_exception_response_format = nil
+ @x = Custom.new
+ @enable_dependency_loading = false
+ end
+
+ def static_cache_control=(value)
+ ActiveSupport::Deprecation.warn <<-eow.strip_heredoc
+ `config.static_cache_control` is deprecated and will be removed in Rails 5.1.
+ Please use
+ `config.public_file_server.headers = { 'Cache-Control' => '#{value}' }`
+ instead.
+ eow
+
+ @static_cache_control = value
+ end
+
+ def serve_static_files
+ ActiveSupport::Deprecation.warn <<-eow.strip_heredoc
+ `config.serve_static_files` is deprecated and will be removed in Rails 5.1.
+ Please use `config.public_file_server.enabled` instead.
+ eow
+
+ @public_file_server.enabled
+ end
+
+ def serve_static_files=(value)
+ ActiveSupport::Deprecation.warn <<-eow.strip_heredoc
+ `config.serve_static_files` is deprecated and will be removed in Rails 5.1.
+ Please use `config.public_file_server.enabled = #{value}` instead.
+ eow
+
+ @public_file_server.enabled = value
end
def encoding=(value)
@@ -60,6 +93,21 @@ module Rails
end
end
+ def api_only=(value)
+ @api_only = value
+ generators.api_only = value
+
+ @debug_exception_response_format ||= :api
+ end
+
+ def debug_exception_response_format
+ @debug_exception_response_format || :default
+ end
+
+ def debug_exception_response_format=(value)
+ @debug_exception_response_format = value
+ end
+
def paths
@paths ||= begin
paths = super
@@ -86,7 +134,7 @@ module Rails
require "yaml"
require "erb"
YAML.load(ERB.new(yaml.read).result) || {}
- elsif ENV['DATABASE_URL']
+ elsif ENV["DATABASE_URL"]
# Value from ENV['DATABASE_URL'] is set to default database connection
# by Active Record.
{}
@@ -116,49 +164,60 @@ module Rails
self.generators.colorize_logging = val
end
- def session_store(*args)
- if args.empty?
- case @session_store
- when :disabled
- nil
- when :active_record_store
+ def session_store(new_session_store = nil, **options)
+ if new_session_store
+ if new_session_store == :active_record_store
begin
ActionDispatch::Session::ActiveRecordStore
rescue NameError
raise "`ActiveRecord::SessionStore` is extracted out of Rails into a gem. " \
"Please add `activerecord-session_store` to your Gemfile to use it."
end
+ end
+
+ @session_store = new_session_store
+ @session_options = options || {}
+ else
+ case @session_store
+ when :disabled
+ nil
+ when :active_record_store
+ ActionDispatch::Session::ActiveRecordStore
when Symbol
ActionDispatch::Session.const_get(@session_store.to_s.camelize)
else
@session_store
end
- else
- @session_store = args.shift
- @session_options = args.shift || {}
end
end
+ def session_store? #:nodoc:
+ @session_store
+ end
+
def annotations
SourceAnnotationExtractor::Annotation
end
- private
- class Custom #:nodoc:
- def initialize
- @configurations = Hash.new
- end
+ class Custom #:nodoc:
+ def initialize
+ @configurations = Hash.new
+ end
- def method_missing(method, *args)
- if method =~ /=$/
- @configurations[$`.to_sym] = args.first
- else
- @configurations.fetch(method) {
- @configurations[method] = ActiveSupport::OrderedOptions.new
- }
- end
+ def method_missing(method, *args)
+ if method =~ /=$/
+ @configurations[$`.to_sym] = args.first
+ else
+ @configurations.fetch(method) {
+ @configurations[method] = ActiveSupport::OrderedOptions.new
+ }
end
end
+
+ def respond_to_missing?(symbol, *)
+ true
+ end
+ end
end
end
end
diff --git a/railties/lib/rails/application/default_middleware_stack.rb b/railties/lib/rails/application/default_middleware_stack.rb
index 503977b395..14c0a8cbe4 100644
--- a/railties/lib/rails/application/default_middleware_stack.rb
+++ b/railties/lib/rails/application/default_middleware_stack.rb
@@ -17,8 +17,11 @@ module Rails
middleware.use ::Rack::Sendfile, config.action_dispatch.x_sendfile_header
- if config.serve_static_files
- middleware.use ::ActionDispatch::Static, paths["public"].first, config.static_cache_control, config.static_index
+ if config.public_file_server.enabled
+ headers = config.public_file_server.headers || {}
+ headers["Cache-Control".freeze] = config.static_cache_control if config.static_cache_control
+
+ middleware.use ::ActionDispatch::Static, paths["public"].first, index: config.public_file_server.index_name, headers: headers
end
if rack_cache = load_rack_cache
@@ -26,33 +29,40 @@ module Rails
middleware.use ::Rack::Cache, rack_cache
end
- middleware.use ::Rack::Lock unless allow_concurrency?
+ if config.allow_concurrency == false
+ # User has explicitly opted out of concurrent request
+ # handling: presumably their code is not threadsafe
+
+ middleware.use ::Rack::Lock
+ end
+
+ middleware.use ::ActionDispatch::Executor, app.executor
+
middleware.use ::Rack::Runtime
- middleware.use ::Rack::MethodOverride
+ middleware.use ::Rack::MethodOverride unless config.api_only
middleware.use ::ActionDispatch::RequestId
# Must come after Rack::MethodOverride to properly log overridden methods
middleware.use ::Rails::Rack::Logger, config.log_tags
middleware.use ::ActionDispatch::ShowExceptions, show_exceptions_app
- middleware.use ::ActionDispatch::DebugExceptions, app
+ middleware.use ::ActionDispatch::DebugExceptions, app, config.debug_exception_response_format
middleware.use ::ActionDispatch::RemoteIp, config.action_dispatch.ip_spoofing_check, config.action_dispatch.trusted_proxies
unless config.cache_classes
- middleware.use ::ActionDispatch::Reloader, lambda { reload_dependencies? }
+ middleware.use ::ActionDispatch::Reloader, app.reloader
end
middleware.use ::ActionDispatch::Callbacks
- middleware.use ::ActionDispatch::Cookies
+ middleware.use ::ActionDispatch::Cookies unless config.api_only
- if config.session_store
- if config.force_ssl && !config.session_options.key?(:secure)
+ if !config.api_only && config.session_store
+ if config.force_ssl && config.ssl_options.fetch(:secure_cookies, true) && !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"
@@ -61,26 +71,14 @@ module Rails
private
- def reload_dependencies?
- config.reload_classes_only_on_change != true || app.reloaders.map(&:updated?).any?
- end
-
- def allow_concurrency?
- if config.allow_concurrency.nil?
- config.cache_classes && config.eager_load
- else
- config.allow_concurrency
- end
- end
-
def load_rack_cache
rack_cache = config.action_dispatch.rack_cache
return unless rack_cache
begin
- require 'rack/cache'
+ require "rack/cache"
rescue LoadError => error
- error.message << ' Be sure to add rack-cache to your Gemfile'
+ error.message << " Be sure to add rack-cache to your Gemfile"
raise
end
diff --git a/railties/lib/rails/application/finisher.rb b/railties/lib/rails/application/finisher.rb
index 0599e988d9..a855e8fab0 100644
--- a/railties/lib/rails/application/finisher.rb
+++ b/railties/lib/rails/application/finisher.rb
@@ -21,15 +21,26 @@ module Rails
initializer :add_builtin_route do |app|
if Rails.env.development?
+ app.routes.prepend do
+ get "/rails/info/properties" => "rails/info#properties", internal: true
+ get "/rails/info/routes" => "rails/info#routes", internal: true
+ get "/rails/info" => "rails/info#index", internal: true
+ end
+
app.routes.append do
- get '/rails/info/properties' => "rails/info#properties"
- get '/rails/info/routes' => "rails/info#routes"
- get '/rails/info' => "rails/info#index"
- get '/' => "rails/welcome#index"
+ get "/" => "rails/welcome#index", internal: true
end
end
end
+ # Setup default session store if not already set in config/application.rb
+ initializer :setup_default_session_store, before: :build_middleware_stack do |app|
+ unless app.config.session_store?
+ app_name = app.class.name ? app.railtie_name.chomp("_application") : ""
+ app.config.session_store :cookie_store, key: "_#{app_name}_session"
+ end
+ end
+
initializer :build_middleware_stack do
build_middleware_stack
end
@@ -38,16 +49,16 @@ module Rails
app.routes.define_mounted_helper(:main_app)
end
- initializer :add_to_prepare_blocks do
+ initializer :add_to_prepare_blocks do |app|
config.to_prepare_blocks.each do |block|
- ActionDispatch::Reloader.to_prepare(&block)
+ app.reloader.to_prepare(&block)
end
end
# This needs to happen before eager load so it happens
# in exactly the same point regardless of config.cache_classes
- initializer :run_prepare_callbacks do
- ActionDispatch::Reloader.prepare!
+ initializer :run_prepare_callbacks do |app|
+ app.reloader.prepare!
end
initializer :eager_load! do
@@ -62,13 +73,60 @@ module Rails
ActiveSupport.run_load_hooks(:after_initialize, self)
end
+ class MutexHook
+ def initialize(mutex = Mutex.new)
+ @mutex = mutex
+ end
+
+ def run
+ @mutex.lock
+ end
+
+ def complete(_state)
+ @mutex.unlock
+ end
+ end
+
+ module InterlockHook
+ def self.run
+ ActiveSupport::Dependencies.interlock.start_running
+ end
+
+ def self.complete(_state)
+ ActiveSupport::Dependencies.interlock.done_running
+ end
+ end
+
+ initializer :configure_executor_for_concurrency do |app|
+ if config.allow_concurrency == false
+ # User has explicitly opted out of concurrent request
+ # handling: presumably their code is not threadsafe
+
+ app.executor.register_hook(MutexHook.new, outer: true)
+
+ elsif config.allow_concurrency == :unsafe
+ # Do nothing, even if we know this is dangerous. This is the
+ # historical behavior for true.
+
+ else
+ # Default concurrency setting: enabled, but safe
+
+ unless config.cache_classes && config.eager_load
+ # Without cache_classes + eager_load, the load interlock
+ # is required for proper operation
+
+ app.executor.register_hook(InterlockHook, outer: true)
+ end
+ end
+ end
+
# Set routes reload after the finisher hook to ensure routes added in
# the hook are taken into account.
- initializer :set_routes_reloader_hook do
+ initializer :set_routes_reloader_hook do |app|
reloader = routes_reloader
reloader.execute_if_updated
- self.reloaders << reloader
- ActionDispatch::Reloader.to_prepare do
+ reloaders << reloader
+ app.reloader.to_run do
# We configure #execute rather than #execute_if_updated because if
# autoloaded constants are cleared we need to reload routes also in
# case any was used there, as in
@@ -78,40 +136,55 @@ module Rails
# This means routes are also reloaded if i18n is updated, which
# might not be necessary, but in order to be more precise we need
# some sort of reloaders dependency support, to be added.
+ require_unload_lock!
reloader.execute
end
end
# Set clearing dependencies after the finisher hook to ensure paths
# added in the hook are taken into account.
- initializer :set_clear_dependencies_hook, group: :all do
+ initializer :set_clear_dependencies_hook, group: :all do |app|
callback = lambda do
ActiveSupport::DescendantsTracker.clear
ActiveSupport::Dependencies.clear
end
+ if config.cache_classes
+ app.reloader.check = lambda { false }
+ elsif config.reload_classes_only_on_change
+ app.reloader.check = lambda do
+ app.reloaders.map(&:updated?).any?
+ end
+ else
+ app.reloader.check = lambda { true }
+ end
+
if config.reload_classes_only_on_change
reloader = config.file_watcher.new(*watchable_args, &callback)
- self.reloaders << reloader
+ reloaders << reloader
# Prepend this callback to have autoloaded constants cleared before
# any other possible reloading, in case they need to autoload fresh
# constants.
- ActionDispatch::Reloader.to_prepare(prepend: true) do
+ app.reloader.to_run(prepend: true) do
# In addition to changes detected by the file watcher, if routes
# or i18n have been updated we also need to clear constants,
# that's why we run #execute rather than #execute_if_updated, this
# callback has to clear autoloaded constants after any update.
- reloader.execute
+ class_unload! do
+ reloader.execute
+ end
end
else
- ActionDispatch::Reloader.to_cleanup(&callback)
+ app.reloader.to_complete do
+ class_unload!(&callback)
+ end
end
end
# Disable dependency loading during request cycle
initializer :disable_dependency_loading do
- if config.eager_load && config.cache_classes
+ if config.eager_load && config.cache_classes && !config.enable_dependency_loading
ActiveSupport::Dependencies.unhook!
end
end