mirror of
https://github.com/rails/rails.git
synced 2022-11-09 12:12:34 -05:00
4f7231da70
- If you have hashes inside array, the hashes were getting initialized as regular HWIA wereas we want them to be NonSymbolAccessDeprecatedHash in order to trigger a deprecation warning when keys are accessed with string. This patch fixes that by overwriting the `[]=` to to the same as what HWIA does (with the difference that we don't call `convert_key` to not trigger a deprecation when setting value). I also took the liberty to extract `hash.nested_under_indifferent_access`, into a separate method to allow subclasses to return whatever they want. Inheriting HWIA is not common, but I think it's useful for cases like this one where we want to preprocess reading and writing values in the hash (for deprecation purposes or other reasons).
642 lines
23 KiB
Ruby
642 lines
23 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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)
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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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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 test and development, this is simply derived as a MD5 hash of the application's name.
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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.test? || Rails.env.development?
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secrets.secret_key_base || Digest::MD5.hexdigest(self.class.name)
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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 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
|