Class: Rails::Application::DefaultMiddlewareStack

Inherits:
Object
  • Object
show all
Defined in:
lib/rails/application/default_middleware_stack.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, config, paths) ⇒ DefaultMiddlewareStack

Returns a new instance of DefaultMiddlewareStack.



8
9
10
11
12
 
# File 'lib/rails/application/default_middleware_stack.rb', line 8

def initialize(app, config, paths)
  @app = app
  @config = config
  @paths = paths
end

Instance Attribute Details

#app ⇒ Object (readonly)

Returns the value of attribute app.



6
7
8
 
# File 'lib/rails/application/default_middleware_stack.rb', line 6

def app
  @app
end

#config ⇒ Object (readonly)

Returns the value of attribute config.



6
7
8
 
# File 'lib/rails/application/default_middleware_stack.rb', line 6

def config
  @config
end

#paths ⇒ Object (readonly)

Returns the value of attribute paths.



6
7
8
 
# File 'lib/rails/application/default_middleware_stack.rb', line 6

def paths
  @paths
end

Instance Method Details

#build_stack ⇒ Object 



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
 
# File 'lib/rails/application/default_middleware_stack.rb', line 14

def build_stack
  ActionDispatch::MiddlewareStack.new do |middleware|
    middleware.use ::ActionDispatch::HostAuthorization, config.hosts, **config.host_authorization

    if config.force_ssl
      middleware.use ::ActionDispatch::SSL, **config.ssl_options,
        ssl_default_redirect_status: config.action_dispatch.ssl_default_redirect_status
    end

    middleware.use ::Rack::Sendfile, config.action_dispatch.x_sendfile_header

    if config.public_file_server.enabled
      headers = config.public_file_server.headers || {}

      middleware.use ::ActionDispatch::Static, paths["public"].first, index: config.public_file_server.index_name, headers: headers
    end

    if rack_cache = load_rack_cache
      require "action_dispatch/http/rack_cache"
      middleware.use ::Rack::Cache, rack_cache
    end

    if config.allow_concurrency == false
      # User has explicitly opted out of concurrent request
      # handling: presumably their code is not threadsafe

      middleware.use ::Rack::Lock
    end

    middleware.use ::ActionDispatch::Executor, app.executor

    middleware.use ::ActionDispatch::ServerTiming if config.server_timing
    middleware.use ::Rack::Runtime
    middleware.use ::Rack::MethodOverride unless config.api_only
    middleware.use ::ActionDispatch::RequestId, header: config.action_dispatch.request_id_header
    middleware.use ::ActionDispatch::RemoteIp, config.action_dispatch.ip_spoofing_check, config.action_dispatch.trusted_proxies

    middleware.use ::Rails::Rack::Logger, config.log_tags
    middleware.use ::ActionDispatch::ShowExceptions, show_exceptions_app
    middleware.use ::ActionDispatch::DebugExceptions, app, config.debug_exception_response_format

    if config.consider_all_requests_local
      middleware.use ::ActionDispatch::ActionableExceptions
    end

    unless config.cache_classes
      middleware.use ::ActionDispatch::Reloader, app.reloader
    end

    middleware.use ::ActionDispatch::Callbacks
    middleware.use ::ActionDispatch::Cookies unless config.api_only

    if !config.api_only && config.session_store
      if config.force_ssl && config.ssl_options.fetch(:secure_cookies, true) && !config.session_options.key?(:secure)
        config.session_options[:secure] = true
      end
      middleware.use config.session_store, config.session_options
    end

    unless config.api_only
      middleware.use ::ActionDispatch::Flash
      middleware.use ::ActionDispatch::ContentSecurityPolicy::Middleware
      middleware.use ::ActionDispatch::PermissionsPolicy::Middleware
    end

    middleware.use ::Rack::Head
    middleware.use ::Rack::ConditionalGet
    middleware.use ::Rack::ETag, "no-cache"

    middleware.use ::Rack::TempfileReaper unless config.api_only

    if config.respond_to?(:active_record)
      if selector_options = config.active_record.database_selector
        resolver = config.active_record.database_resolver
        context = config.active_record.database_resolver_context

        middleware.use ::ActiveRecord::Middleware::DatabaseSelector, resolver, context, selector_options
      end

      if shard_resolver = config.active_record.shard_resolver
        options = config.active_record.shard_selector || {}

        middleware.use ::ActiveRecord::Middleware::ShardSelector, shard_resolver, options
      end
    end
  end
end