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-rw-r--r--railties/lib/rails/application.rb129
1 files changed, 102 insertions, 27 deletions
diff --git a/railties/lib/rails/application.rb b/railties/lib/rails/application.rb
index 362713eb75..ad8b52a39f 100644
--- a/railties/lib/rails/application.rb
+++ b/railties/lib/rails/application.rb
@@ -87,7 +87,20 @@ module Rails
class << self
def inherited(base)
super
- base.instance
+ Rails.app_class = base
+ add_lib_to_load_path!(find_root(base.called_from))
+ end
+
+ def instance
+ super.run_load_hooks!
+ end
+
+ def create(initial_variable_values = {}, &block)
+ new(initial_variable_values, &block).run_load_hooks!
+ end
+
+ def find_root(from)
+ find_root_with_flag "config.ru", from, Dir.pwd
end
# Makes the +new+ method public.
@@ -116,24 +129,31 @@ module Rails
@ordered_railties = nil
@railties = nil
@message_verifiers = {}
+ @ran_load_hooks = false
- Rails.application ||= self
+ # are these actually used?
+ @initial_variable_values = initial_variable_values
+ @block = block
+ end
- add_lib_to_load_path!
+ # Returns true if the application is initialized.
+ def initialized?
+ @initialized
+ end
+
+ def run_load_hooks! # :nodoc:
+ return self if @ran_load_hooks
+ @ran_load_hooks = true
ActiveSupport.run_load_hooks(:before_configuration, self)
- initial_variable_values.each do |variable_name, value|
+ @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.
- def initialized?
- @initialized
+ instance_eval(&@block) if @block
+ self
end
# Implements call according to the Rack API. It simply
@@ -158,7 +178,7 @@ module Rails
key_generator = ActiveSupport::KeyGenerator.new(secrets.secret_key_base, iterations: 1000)
ActiveSupport::CachingKeyGenerator.new(key_generator)
else
- ActiveSupport::LegacyKeyGenerator.new(config.secret_token)
+ ActiveSupport::LegacyKeyGenerator.new(secrets.secret_token)
end
end
@@ -187,6 +207,38 @@ module Rails
end
end
+ # Convenience for loading config/foo.yml for the current Rails env.
+ #
+ # Example:
+ #
+ # # config/exception_notification.yml:
+ # production:
+ # url: http://127.0.0.1:8080
+ # namespace: my_app_production
+ # development:
+ # url: http://localhost:3001
+ # namespace: my_app_development
+ #
+ # # config/production.rb
+ # Rails.application.configure do
+ # config.middleware.use ExceptionNotifier, config_for(:exception_notification)
+ # end
+ def config_for(name)
+ yaml = Pathname.new("#{paths["config"].existent.first}/#{name}.yml")
+
+ if yaml.exist?
+ require "yaml"
+ require "erb"
+ (YAML.load(ERB.new(yaml.read).result) || {})[Rails.env] || {}
+ else
+ raise "Could not load configuration. No such file - #{yaml}"
+ end
+ rescue Psych::SyntaxError => e
+ raise "YAML syntax error occurred while parsing #{yaml}. " \
+ "Please note that YAML must be consistently indented using spaces. Tabs are not allowed. " \
+ "Error: #{e.message}"
+ end
+
# Stores some of the Rails initial environment parameters which
# will be used by middlewares and engines to configure themselves.
def env_config
@@ -196,7 +248,7 @@ module Rails
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_token" => secrets.secret_token,
"action_dispatch.secret_key_base" => secrets.secret_key_base,
"action_dispatch.show_exceptions" => config.action_dispatch.show_exceptions,
"action_dispatch.show_detailed_exceptions" => config.consider_all_requests_local,
@@ -207,7 +259,8 @@ module Rails
"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,
- "action_dispatch.cookies_serializer" => config.action_dispatch.cookies_serializer
+ "action_dispatch.cookies_serializer" => config.action_dispatch.cookies_serializer,
+ "action_dispatch.cookies_digest" => config.action_dispatch.cookies_digest
})
end
end
@@ -263,8 +316,8 @@ module Rails
# are changing config.root inside your application definition or having a custom
# Rails application, you will need to add lib to $LOAD_PATH on your own in case
# you need to load files in lib/ during the application configuration as well.
- def add_lib_to_load_path! #:nodoc:
- path = File.join config.root, 'lib'
+ def self.add_lib_to_load_path!(root) #:nodoc:
+ path = File.join root, 'lib'
if File.exist?(path) && !$LOAD_PATH.include?(path)
$LOAD_PATH.unshift(path)
end
@@ -308,14 +361,28 @@ module Rails
end
def config #:nodoc:
- @config ||= Application::Configuration.new(find_root_with_flag("config.ru", Dir.pwd))
+ @config ||= Application::Configuration.new(self.class.find_root(self.class.called_from))
end
def config=(configuration) #:nodoc:
@config = configuration
end
- def secrets #:nodoc:
+ # Returns secrets added to config/secrets.yml.
+ #
+ # Example:
+ #
+ # development:
+ # secret_key_base: 836fa3665997a860728bcb9e9a1e704d427cfc920e79d847d79c8a9a907b9e965defa4154b2b86bdec6930adbe33f21364523a6f6ce363865724549fdfc08553
+ # test:
+ # secret_key_base: 5a37811464e7d378488b0f073e2193b093682e4e21f5d6f3ae0a4e1781e61a351fdc878a843424e81c73fb484a40d23f92c8dafac4870e74ede6e5e174423010
+ # production:
+ # secret_key_base: <%= ENV["SECRET_KEY_BASE"] %>
+ # namespace: my_app_production
+ #
+ # +Rails.application.secrets.namespace+ returns +my_app_production+ in the
+ # production environment.
+ def secrets
@secrets ||= begin
secrets = ActiveSupport::OrderedOptions.new
yaml = config.paths["config/secrets"].first
@@ -328,6 +395,8 @@ module Rails
# Fallback to config.secret_key_base if secrets.secret_key_base isn't set
secrets.secret_key_base ||= config.secret_key_base
+ # Fallback to config.secret_token if secrets.secret_token isn't set
+ secrets.secret_token ||= config.secret_token
secrets
end
@@ -364,8 +433,14 @@ module Rails
end
end
+ # Return an array of railties respecting the order they're loaded
+ # and the order specified by the +railties_order+ config.
+ #
+ # While when running initializers we need engines in reverse
+ # order here when copying migrations from railties we need then in the same
+ # order as given by +railties_order+
def migration_railties # :nodoc:
- (ordered_railties & railties_without_main_app).reverse
+ ordered_railties.flatten - [self]
end
protected
@@ -398,11 +473,6 @@ module Rails
super
end
- def railties_without_main_app # :nodoc:
- @railties_without_main_app ||= Rails::Railtie.subclasses.map(&:instance) +
- Rails::Engine.subclasses.map(&:instance)
- end
-
# Returns the ordered railties for this application considering railties_order.
def ordered_railties #:nodoc:
@ordered_railties ||= begin
@@ -422,13 +492,13 @@ module Rails
index = order.index(:all)
order[index] = all
- order.reverse.flatten
+ order
end
end
def railties_initializers(current) #:nodoc:
initializers = []
- ordered_railties.each do |r|
+ ordered_railties.reverse.flatten.each do |r|
if r == self
initializers += current
else
@@ -456,8 +526,13 @@ module Rails
end
def validate_secret_key_config! #:nodoc:
- if secrets.secret_key_base.blank? && config.secret_token.blank?
- raise "Missing `secret_key_base` for '#{Rails.env}' environment, set this value in `config/secrets.yml`"
+ if secrets.secret_key_base.blank?
+ ActiveSupport::Deprecation.warn "You didn't set `secret_key_base`. " +
+ "Read the upgrade documentation to learn more about this new config option."
+
+ if secrets.secret_token.blank?
+ raise "Missing `secret_token` and `secret_key_base` for '#{Rails.env}' environment, set these values in `config/secrets.yml`"
+ end
end
end
end