mirror of
https://github.com/rails/rails.git
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81befcf267
Currently, autoload paths pass to the watcher as directories. If using evented watcher, this possibly pass as it is to `Listen`. But autoload paths include files and `Listen` raise an error when was passed file. So, it is necessary to classify files and directories correctly. Fixes #37011.
658 lines
24 KiB
Ruby
658 lines
24 KiB
Ruby
# frozen_string_literal: true
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require "yaml"
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require "active_support/core_ext/hash/keys"
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require "active_support/core_ext/object/blank"
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require "active_support/key_generator"
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require "active_support/message_verifier"
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require "active_support/encrypted_configuration"
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require "active_support/deprecation"
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require "active_support/hash_with_indifferent_access"
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require "rails/engine"
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require "rails/secrets"
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module Rails
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# An Engine with the responsibility of coordinating the whole boot process.
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#
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# == Initialization
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#
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# Rails::Application is responsible for executing all railties and engines
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# initializers. It also executes some bootstrap initializers (check
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# Rails::Application::Bootstrap) and finishing initializers, after all the others
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# are executed (check Rails::Application::Finisher).
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#
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# == Configuration
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#
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# Besides providing the same configuration as Rails::Engine and Rails::Railtie,
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# the application object has several specific configurations, for example
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# "cache_classes", "consider_all_requests_local", "filter_parameters",
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# "logger" and so forth.
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#
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# Check Rails::Application::Configuration to see them all.
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#
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# == Routes
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#
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# The application object is also responsible for holding the routes and reloading routes
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# whenever the files change in development.
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#
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# == Middlewares
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#
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# The Application is also responsible for building the middleware stack.
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#
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# == Booting process
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#
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# The application is also responsible for setting up and executing the booting
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# process. From the moment you require "config/application.rb" in your app,
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# the booting process goes like this:
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#
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# 1) require "config/boot.rb" to setup load paths
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# 2) require railties and engines
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# 3) Define Rails.application as "class MyApp::Application < Rails::Application"
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# 4) Run config.before_configuration callbacks
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# 5) Load config/environments/ENV.rb
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# 6) Run config.before_initialize callbacks
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# 7) Run Railtie#initializer defined by railties, engines and application.
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# One by one, each engine sets up its load paths, routes and runs its config/initializers/* files.
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# 8) Custom Railtie#initializers added by railties, engines and applications are executed
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# 9) Build the middleware stack and run to_prepare callbacks
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# 10) Run config.before_eager_load and eager_load! if eager_load is true
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# 11) Run config.after_initialize callbacks
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#
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# == Multiple Applications
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#
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# If you decide to define multiple applications, then the first application
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# that is initialized will be set to +Rails.application+, unless you override
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# it with a different application.
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#
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# To create a new application, you can instantiate a new instance of a class
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# that has already been created:
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#
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# class Application < Rails::Application
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# end
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#
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# first_application = Application.new
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# second_application = Application.new(config: first_application.config)
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#
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# In the above example, the configuration from the first application was used
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# to initialize the second application. You can also use the +initialize_copy+
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# on one of the applications to create a copy of the application which shares
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# the configuration.
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#
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# If you decide to define Rake tasks, runners, or initializers in an
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# application other than +Rails.application+, then you must run them manually.
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class Application < Engine
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autoload :Bootstrap, "rails/application/bootstrap"
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autoload :Configuration, "rails/application/configuration"
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autoload :DefaultMiddlewareStack, "rails/application/default_middleware_stack"
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autoload :Finisher, "rails/application/finisher"
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autoload :Railties, "rails/engine/railties"
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autoload :RoutesReloader, "rails/application/routes_reloader"
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class << self
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def inherited(base)
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super
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Rails.app_class = base
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add_lib_to_load_path!(find_root(base.called_from))
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ActiveSupport.run_load_hooks(:before_configuration, base)
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end
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def instance
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super.run_load_hooks!
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end
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def create(initial_variable_values = {}, &block)
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new(initial_variable_values, &block).run_load_hooks!
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end
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def find_root(from)
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find_root_with_flag "config.ru", from, Dir.pwd
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end
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# Makes the +new+ method public.
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#
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# Note that Rails::Application inherits from Rails::Engine, which
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# inherits from Rails::Railtie and the +new+ method on Rails::Railtie is
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# private
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public :new
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end
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attr_accessor :assets, :sandbox
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alias_method :sandbox?, :sandbox
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attr_reader :reloaders, :reloader, :executor
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delegate :default_url_options, :default_url_options=, to: :routes
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INITIAL_VARIABLES = [:config, :railties, :routes_reloader, :reloaders,
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:routes, :helpers, :app_env_config, :secrets] # :nodoc:
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def initialize(initial_variable_values = {}, &block)
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super()
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@initialized = false
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@reloaders = []
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@routes_reloader = nil
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@app_env_config = nil
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@ordered_railties = nil
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@railties = nil
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@message_verifiers = {}
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@ran_load_hooks = false
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@executor = Class.new(ActiveSupport::Executor)
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@reloader = Class.new(ActiveSupport::Reloader)
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@reloader.executor = @executor
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# are these actually used?
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@initial_variable_values = initial_variable_values
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@block = block
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end
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# Returns true if the application is initialized.
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def initialized?
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@initialized
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end
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def run_load_hooks! # :nodoc:
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return self if @ran_load_hooks
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@ran_load_hooks = true
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@initial_variable_values.each do |variable_name, value|
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if INITIAL_VARIABLES.include?(variable_name)
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instance_variable_set("@#{variable_name}", value)
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end
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end
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instance_eval(&@block) if @block
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self
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end
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# Reload application routes regardless if they changed or not.
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def reload_routes!
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routes_reloader.reload!
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end
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# Returns the application's KeyGenerator
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def key_generator
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# number of iterations selected based on consultation with the google security
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# team. Details at https://github.com/rails/rails/pull/6952#issuecomment-7661220
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@caching_key_generator ||= ActiveSupport::CachingKeyGenerator.new(
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ActiveSupport::KeyGenerator.new(secret_key_base, iterations: 1000)
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)
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end
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# Returns a message verifier object.
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#
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# This verifier can be used to generate and verify signed messages in the application.
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#
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# It is recommended not to use the same verifier for different things, so you can get different
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# verifiers passing the +verifier_name+ argument.
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#
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# ==== Parameters
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#
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# * +verifier_name+ - the name of the message verifier.
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#
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# ==== Examples
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#
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# message = Rails.application.message_verifier('sensitive_data').generate('my sensible data')
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# Rails.application.message_verifier('sensitive_data').verify(message)
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# # => 'my sensible data'
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#
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# See the +ActiveSupport::MessageVerifier+ documentation for more information.
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def message_verifier(verifier_name)
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@message_verifiers[verifier_name] ||= begin
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secret = key_generator.generate_key(verifier_name.to_s)
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ActiveSupport::MessageVerifier.new(secret)
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end
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end
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# Convenience for loading config/foo.yml for the current Rails env.
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#
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# Example:
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#
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# # config/exception_notification.yml:
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# production:
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# url: http://127.0.0.1:8080
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# namespace: my_app_production
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# development:
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# url: http://localhost:3001
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# namespace: my_app_development
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#
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# # config/environments/production.rb
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# Rails.application.configure do
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# config.middleware.use ExceptionNotifier, config_for(:exception_notification)
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# end
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def config_for(name, env: Rails.env)
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if name.is_a?(Pathname)
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yaml = name
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else
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yaml = Pathname.new("#{paths["config"].existent.first}/#{name}.yml")
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end
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if yaml.exist?
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require "erb"
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config = YAML.load(ERB.new(yaml.read).result) || {}
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config = (config["shared"] || {}).merge(config[env] || {})
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ActiveSupport::OrderedOptions.new.tap do |options|
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options.update(NonSymbolAccessDeprecatedHash.new(config))
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end
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else
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raise "Could not load configuration. No such file - #{yaml}"
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end
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rescue Psych::SyntaxError => e
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raise "YAML syntax error occurred while parsing #{yaml}. " \
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"Please note that YAML must be consistently indented using spaces. Tabs are not allowed. " \
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"Error: #{e.message}"
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end
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# Stores some of the Rails initial environment parameters which
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# will be used by middlewares and engines to configure themselves.
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def env_config
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@app_env_config ||= begin
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super.merge(
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"action_dispatch.parameter_filter" => config.filter_parameters,
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"action_dispatch.redirect_filter" => config.filter_redirect,
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"action_dispatch.secret_key_base" => secret_key_base,
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"action_dispatch.show_exceptions" => config.action_dispatch.show_exceptions,
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"action_dispatch.show_detailed_exceptions" => config.consider_all_requests_local,
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"action_dispatch.logger" => Rails.logger,
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"action_dispatch.backtrace_cleaner" => Rails.backtrace_cleaner,
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"action_dispatch.key_generator" => key_generator,
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"action_dispatch.http_auth_salt" => config.action_dispatch.http_auth_salt,
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"action_dispatch.signed_cookie_salt" => config.action_dispatch.signed_cookie_salt,
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"action_dispatch.encrypted_cookie_salt" => config.action_dispatch.encrypted_cookie_salt,
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"action_dispatch.encrypted_signed_cookie_salt" => config.action_dispatch.encrypted_signed_cookie_salt,
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"action_dispatch.authenticated_encrypted_cookie_salt" => config.action_dispatch.authenticated_encrypted_cookie_salt,
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"action_dispatch.use_authenticated_cookie_encryption" => config.action_dispatch.use_authenticated_cookie_encryption,
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"action_dispatch.encrypted_cookie_cipher" => config.action_dispatch.encrypted_cookie_cipher,
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"action_dispatch.signed_cookie_digest" => config.action_dispatch.signed_cookie_digest,
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"action_dispatch.cookies_serializer" => config.action_dispatch.cookies_serializer,
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"action_dispatch.cookies_digest" => config.action_dispatch.cookies_digest,
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"action_dispatch.cookies_rotations" => config.action_dispatch.cookies_rotations,
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"action_dispatch.use_cookies_with_metadata" => config.action_dispatch.use_cookies_with_metadata,
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"action_dispatch.content_security_policy" => config.content_security_policy,
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"action_dispatch.content_security_policy_report_only" => config.content_security_policy_report_only,
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"action_dispatch.content_security_policy_nonce_generator" => config.content_security_policy_nonce_generator,
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"action_dispatch.content_security_policy_nonce_directives" => config.content_security_policy_nonce_directives,
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"action_dispatch.feature_policy" => config.feature_policy,
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)
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end
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end
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# If you try to define a set of Rake tasks on the instance, these will get
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# passed up to the Rake tasks defined on the application's class.
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def rake_tasks(&block)
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self.class.rake_tasks(&block)
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end
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# Sends the initializers to the +initializer+ method defined in the
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# Rails::Initializable module. Each Rails::Application class has its own
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# set of initializers, as defined by the Initializable module.
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def initializer(name, opts = {}, &block)
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self.class.initializer(name, opts, &block)
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end
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# Sends any runner called in the instance of a new application up
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# to the +runner+ method defined in Rails::Railtie.
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def runner(&blk)
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self.class.runner(&blk)
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end
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# Sends any console called in the instance of a new application up
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# to the +console+ method defined in Rails::Railtie.
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def console(&blk)
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self.class.console(&blk)
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end
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# Sends any generators called in the instance of a new application up
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# to the +generators+ method defined in Rails::Railtie.
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def generators(&blk)
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self.class.generators(&blk)
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end
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# Sends the +isolate_namespace+ method up to the class method.
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def isolate_namespace(mod)
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self.class.isolate_namespace(mod)
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end
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## Rails internal API
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# This method is called just after an application inherits from Rails::Application,
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# allowing the developer to load classes in lib and use them during application
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# configuration.
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#
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# class MyApplication < Rails::Application
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# require "my_backend" # in lib/my_backend
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# config.i18n.backend = MyBackend
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# end
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#
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# Notice this method takes into consideration the default root path. So if you
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# are changing config.root inside your application definition or having a custom
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# Rails application, you will need to add lib to $LOAD_PATH on your own in case
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# you need to load files in lib/ during the application configuration as well.
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def self.add_lib_to_load_path!(root) #:nodoc:
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path = File.join root, "lib"
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if File.exist?(path) && !$LOAD_PATH.include?(path)
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$LOAD_PATH.unshift(path)
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end
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end
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def require_environment! #:nodoc:
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environment = paths["config/environment"].existent.first
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require environment if environment
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end
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def routes_reloader #:nodoc:
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@routes_reloader ||= RoutesReloader.new
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end
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# Returns an array of file paths appended with a hash of
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# directories-extensions suitable for ActiveSupport::FileUpdateChecker
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# API.
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def watchable_args #:nodoc:
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files, dirs = config.watchable_files.dup, config.watchable_dirs.dup
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ActiveSupport::Dependencies.autoload_paths.each do |path|
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File.file?(path) ? files << path.to_s : dirs[path.to_s] = [:rb]
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end
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[files, dirs]
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end
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# Initialize the application passing the given group. By default, the
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# group is :default
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def initialize!(group = :default) #:nodoc:
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raise "Application has been already initialized." if @initialized
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run_initializers(group, self)
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@initialized = true
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self
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end
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def initializers #:nodoc:
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Bootstrap.initializers_for(self) +
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railties_initializers(super) +
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Finisher.initializers_for(self)
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end
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def config #:nodoc:
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@config ||= Application::Configuration.new(self.class.find_root(self.class.called_from))
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end
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attr_writer :config
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# Returns secrets added to config/secrets.yml.
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#
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# Example:
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#
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# development:
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# secret_key_base: 836fa3665997a860728bcb9e9a1e704d427cfc920e79d847d79c8a9a907b9e965defa4154b2b86bdec6930adbe33f21364523a6f6ce363865724549fdfc08553
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# test:
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# secret_key_base: 5a37811464e7d378488b0f073e2193b093682e4e21f5d6f3ae0a4e1781e61a351fdc878a843424e81c73fb484a40d23f92c8dafac4870e74ede6e5e174423010
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# production:
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# secret_key_base: <%= ENV["SECRET_KEY_BASE"] %>
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# namespace: my_app_production
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#
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# +Rails.application.secrets.namespace+ returns +my_app_production+ in the
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# production environment.
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def secrets
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@secrets ||= begin
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secrets = ActiveSupport::OrderedOptions.new
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files = config.paths["config/secrets"].existent
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files = files.reject { |path| path.end_with?(".enc") } unless config.read_encrypted_secrets
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secrets.merge! Rails::Secrets.parse(files, env: Rails.env)
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# Fallback to config.secret_key_base if secrets.secret_key_base isn't set
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secrets.secret_key_base ||= config.secret_key_base
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secrets
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end
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end
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attr_writer :secrets
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# The secret_key_base is used as the input secret to the application's key generator, which in turn
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# is used to create all MessageVerifiers/MessageEncryptors, including the ones that sign and encrypt cookies.
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#
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# In development and test, this is randomly generated and stored in a
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# temporary file in <tt>tmp/development_secret.txt</tt>.
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#
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# In all other environments, we look for it first in ENV["SECRET_KEY_BASE"],
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# then credentials.secret_key_base, and finally secrets.secret_key_base. For most applications,
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# the correct place to store it is in the encrypted credentials file.
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def secret_key_base
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if Rails.env.development? || Rails.env.test?
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secrets.secret_key_base ||= generate_development_secret
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else
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validate_secret_key_base(
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ENV["SECRET_KEY_BASE"] || credentials.secret_key_base || secrets.secret_key_base
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)
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end
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end
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# Decrypts the credentials hash as kept in +config/credentials.yml.enc+. This file is encrypted with
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# the Rails master key, which is either taken from <tt>ENV["RAILS_MASTER_KEY"]</tt> or from loading
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# +config/master.key+.
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# If specific credentials file exists for current environment, it takes precedence, thus for +production+
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# environment look first for +config/credentials/production.yml.enc+ with master key taken
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# from <tt>ENV["RAILS_MASTER_KEY"]</tt> or from loading +config/credentials/production.key+.
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# Default behavior can be overwritten by setting +config.credentials.content_path+ and +config.credentials.key_path+.
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def credentials
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@credentials ||= encrypted(config.credentials.content_path, key_path: config.credentials.key_path)
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end
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# Shorthand to decrypt any encrypted configurations or files.
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#
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# For any file added with <tt>rails encrypted:edit</tt> call +read+ to decrypt
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# the file with the master key.
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# The master key is either stored in +config/master.key+ or <tt>ENV["RAILS_MASTER_KEY"]</tt>.
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#
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# Rails.application.encrypted("config/mystery_man.txt.enc").read
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# # => "We've met before, haven't we?"
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#
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# It's also possible to interpret encrypted YAML files with +config+.
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#
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# Rails.application.encrypted("config/credentials.yml.enc").config
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# # => { next_guys_line: "I don't think so. Where was it you think we met?" }
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#
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# Any top-level configs are also accessible directly on the return value:
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#
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# Rails.application.encrypted("config/credentials.yml.enc").next_guys_line
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# # => "I don't think so. Where was it you think we met?"
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#
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# The files or configs can also be encrypted with a custom key. To decrypt with
|
|
# a key in the +ENV+, use:
|
|
#
|
|
# Rails.application.encrypted("config/special_tokens.yml.enc", env_key: "SPECIAL_TOKENS")
|
|
#
|
|
# Or to decrypt with a file, that should be version control ignored, relative to +Rails.root+:
|
|
#
|
|
# Rails.application.encrypted("config/special_tokens.yml.enc", key_path: "config/special_tokens.key")
|
|
def encrypted(path, key_path: "config/master.key", env_key: "RAILS_MASTER_KEY")
|
|
ActiveSupport::EncryptedConfiguration.new(
|
|
config_path: Rails.root.join(path),
|
|
key_path: Rails.root.join(key_path),
|
|
env_key: env_key,
|
|
raise_if_missing_key: config.require_master_key
|
|
)
|
|
end
|
|
|
|
def to_app #:nodoc:
|
|
self
|
|
end
|
|
|
|
def helpers_paths #:nodoc:
|
|
config.helpers_paths
|
|
end
|
|
|
|
console do
|
|
require "pp"
|
|
end
|
|
|
|
console do
|
|
unless ::Kernel.private_method_defined?(:y)
|
|
require "psych/y"
|
|
end
|
|
end
|
|
|
|
# Return an array of railties respecting the order they're loaded
|
|
# and the order specified by the +railties_order+ config.
|
|
#
|
|
# While running initializers we need engines in reverse order here when
|
|
# copying migrations from railties ; we need them in the order given by
|
|
# +railties_order+.
|
|
def migration_railties # :nodoc:
|
|
ordered_railties.flatten - [self]
|
|
end
|
|
|
|
protected
|
|
alias :build_middleware_stack :app
|
|
|
|
def run_tasks_blocks(app) #:nodoc:
|
|
railties.each { |r| r.run_tasks_blocks(app) }
|
|
super
|
|
require "rails/tasks"
|
|
task :environment do
|
|
ActiveSupport.on_load(:before_initialize) { config.eager_load = false }
|
|
|
|
require_environment!
|
|
end
|
|
end
|
|
|
|
def run_generators_blocks(app) #:nodoc:
|
|
railties.each { |r| r.run_generators_blocks(app) }
|
|
super
|
|
end
|
|
|
|
def run_runner_blocks(app) #:nodoc:
|
|
railties.each { |r| r.run_runner_blocks(app) }
|
|
super
|
|
end
|
|
|
|
def run_console_blocks(app) #:nodoc:
|
|
railties.each { |r| r.run_console_blocks(app) }
|
|
super
|
|
end
|
|
|
|
# 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 - order)
|
|
all.push(self) unless (all + order).include?(self)
|
|
order.push(:all) unless order.include?(:all)
|
|
|
|
index = order.index(:all)
|
|
order[index] = all
|
|
order
|
|
end
|
|
end
|
|
|
|
def railties_initializers(current) #:nodoc:
|
|
initializers = []
|
|
ordered_railties.reverse.flatten.each do |r|
|
|
if r == self
|
|
initializers += current
|
|
else
|
|
initializers += r.initializers
|
|
end
|
|
end
|
|
initializers
|
|
end
|
|
|
|
def default_middleware_stack #:nodoc:
|
|
default_stack = DefaultMiddlewareStack.new(self, config, paths)
|
|
default_stack.build_stack
|
|
end
|
|
|
|
def validate_secret_key_base(secret_key_base)
|
|
if secret_key_base.is_a?(String) && secret_key_base.present?
|
|
secret_key_base
|
|
elsif secret_key_base
|
|
raise ArgumentError, "`secret_key_base` for #{Rails.env} environment must be a type of String`"
|
|
else
|
|
raise ArgumentError, "Missing `secret_key_base` for '#{Rails.env}' environment, set this string with `rails credentials:edit`"
|
|
end
|
|
end
|
|
|
|
private
|
|
def generate_development_secret
|
|
if secrets.secret_key_base.nil?
|
|
key_file = Rails.root.join("tmp/development_secret.txt")
|
|
|
|
if !File.exist?(key_file)
|
|
random_key = SecureRandom.hex(64)
|
|
FileUtils.mkdir_p(key_file.dirname)
|
|
File.binwrite(key_file, random_key)
|
|
end
|
|
|
|
secrets.secret_key_base = File.binread(key_file)
|
|
end
|
|
|
|
secrets.secret_key_base
|
|
end
|
|
|
|
def build_request(env)
|
|
req = super
|
|
env["ORIGINAL_FULLPATH"] = req.fullpath
|
|
env["ORIGINAL_SCRIPT_NAME"] = req.script_name
|
|
req
|
|
end
|
|
|
|
def build_middleware
|
|
config.app_middleware + super
|
|
end
|
|
|
|
class NonSymbolAccessDeprecatedHash < HashWithIndifferentAccess # :nodoc:
|
|
def initialize(value = nil)
|
|
if value.is_a?(Hash)
|
|
value.each_pair { |k, v| self[k] = v }
|
|
else
|
|
super
|
|
end
|
|
end
|
|
|
|
def []=(key, value)
|
|
regular_writer(key.to_sym, convert_value(value, for: :assignment))
|
|
end
|
|
|
|
private
|
|
def convert_key(key)
|
|
unless key.kind_of?(Symbol)
|
|
ActiveSupport::Deprecation.warn(<<~MESSAGE.squish)
|
|
Accessing hashes returned from config_for by non-symbol keys
|
|
is deprecated and will be removed in Rails 6.1.
|
|
Use symbols for access instead.
|
|
MESSAGE
|
|
|
|
key = key.to_sym
|
|
end
|
|
|
|
key
|
|
end
|
|
|
|
def convert_value(value, options = {}) # :doc:
|
|
if value.is_a? Hash
|
|
if options[:for] == :to_hash
|
|
value.to_hash
|
|
else
|
|
self.class.new(value)
|
|
end
|
|
elsif value.is_a?(Array)
|
|
if options[:for] != :assignment || value.frozen?
|
|
value = value.dup
|
|
end
|
|
value.map! { |e| convert_value(e, options) }
|
|
else
|
|
value
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|