/usr/lib/ruby/vendor_ruby/rails/application/default_middleware_stack.rb is in ruby-railties 2:4.2.10-0ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | module Rails
class Application
class DefaultMiddlewareStack
attr_reader :config, :paths, :app
def initialize(app, config, paths)
@app = app
@config = config
@paths = paths
end
def build_stack
ActionDispatch::MiddlewareStack.new.tap do |middleware|
if config.force_ssl
middleware.use ::ActionDispatch::SSL, config.ssl_options
end
middleware.use ::Rack::Sendfile, config.action_dispatch.x_sendfile_header
if config.serve_static_files
middleware.use ::ActionDispatch::Static, paths["public"].first, config.static_cache_control
end
if rack_cache = load_rack_cache
require "action_dispatch/http/rack_cache"
middleware.use ::Rack::Cache, rack_cache
end
middleware.use ::Rack::Lock unless allow_concurrency?
middleware.use ::Rack::Runtime
middleware.use ::Rack::MethodOverride
middleware.use ::ActionDispatch::RequestId
# Must come after Rack::MethodOverride to properly log overridden methods
middleware.use ::Rails::Rack::Logger, config.log_tags
middleware.use ::ActionDispatch::ShowExceptions, show_exceptions_app
middleware.use ::ActionDispatch::DebugExceptions, app
middleware.use ::ActionDispatch::RemoteIp, config.action_dispatch.ip_spoofing_check, config.action_dispatch.trusted_proxies
unless config.cache_classes
middleware.use ::ActionDispatch::Reloader, lambda { reload_dependencies? }
end
middleware.use ::ActionDispatch::Callbacks
middleware.use ::ActionDispatch::Cookies
if config.session_store
if config.force_ssl && !config.session_options.key?(:secure)
config.session_options[:secure] = true
end
middleware.use config.session_store, config.session_options
middleware.use ::ActionDispatch::Flash
end
middleware.use ::ActionDispatch::ParamsParser
middleware.use ::Rack::Head
middleware.use ::Rack::ConditionalGet
middleware.use ::Rack::ETag, "no-cache"
end
end
private
def reload_dependencies?
config.reload_classes_only_on_change != true || app.reloaders.map(&:updated?).any?
end
def allow_concurrency?
if config.allow_concurrency.nil?
config.cache_classes && config.eager_load
else
config.allow_concurrency
end
end
def load_rack_cache
rack_cache = config.action_dispatch.rack_cache
return unless rack_cache
begin
require 'rack/cache'
rescue LoadError => error
error.message << ' Be sure to add rack-cache to your Gemfile'
raise
end
if rack_cache == true
{
metastore: "rails:/",
entitystore: "rails:/",
verbose: false
}
else
rack_cache
end
end
def show_exceptions_app
config.exceptions_app || ActionDispatch::PublicExceptions.new(Rails.public_path)
end
end
end
end
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