diff options
Diffstat (limited to 'actionpack/lib/action_controller')
24 files changed, 349 insertions, 402 deletions
diff --git a/actionpack/lib/action_controller/api.rb b/actionpack/lib/action_controller/api.rb index ff12705abe..6bbebb7b4c 100644 --- a/actionpack/lib/action_controller/api.rb +++ b/actionpack/lib/action_controller/api.rb @@ -14,22 +14,22 @@ module ActionController # flash, assets, and so on. This makes the entire controller stack thinner, # suitable for API applications. It doesn't mean you won't have such # features if you need them: they're all available for you to include in - # your application, they're just not part of the default API Controller stack. + # your application, they're just not part of the default API controller stack. # - # By default, only the ApplicationController in a \Rails application inherits - # from <tt>ActionController::API</tt>. All other controllers in turn inherit - # from ApplicationController. + # Normally, +ApplicationController+ is the only controller that inherits from + # <tt>ActionController::API</tt>. All other controllers in turn inherit from + # +ApplicationController+. # # A sample controller could look like this: # # class PostsController < ApplicationController # def index - # @posts = Post.all - # render json: @posts + # posts = Post.all + # render json: posts # end # end # - # Request, response and parameters objects all work the exact same way as + # Request, response, and parameters objects all work the exact same way as # <tt>ActionController::Base</tt>. # # == Renders @@ -37,18 +37,18 @@ module ActionController # The default API Controller stack includes all renderers, which means you # can use <tt>render :json</tt> and brothers freely in your controllers. Keep # in mind that templates are not going to be rendered, so you need to ensure - # your controller is calling either <tt>render</tt> or <tt>redirect</tt> in - # all actions, otherwise it will return 204 No Content response. + # your controller is calling either <tt>render</tt> or <tt>redirect_to</tt> in + # all actions, otherwise it will return 204 No Content. # # def show - # @post = Post.find(params[:id]) - # render json: @post + # post = Post.find(params[:id]) + # render json: post # end # # == Redirects # # Redirects are used to move from one action to another. You can use the - # <tt>redirect</tt> method in your controllers in the same way as + # <tt>redirect_to</tt> method in your controllers in the same way as in # <tt>ActionController::Base</tt>. For example: # # def create @@ -56,7 +56,7 @@ module ActionController # # do stuff here # end # - # == Adding new behavior + # == Adding New Behavior # # In some scenarios you may want to add back some functionality provided by # <tt>ActionController::Base</tt> that is not present by default in @@ -72,18 +72,19 @@ module ActionController # # class PostsController < ApplicationController # def index - # @posts = Post.all + # posts = Post.all # # respond_to do |format| - # format.json { render json: @posts } - # format.xml { render xml: @posts } + # format.json { render json: posts } + # format.xml { render xml: posts } # end # end # end # - # Quite straightforward. Make sure to check <tt>ActionController::Base</tt> - # available modules if you want to include any other functionality that is - # not provided by <tt>ActionController::API</tt> out of the box. + # Quite straightforward. Make sure to check the modules included in + # <tt>ActionController::Base</tt> if you want to use any other + # functionality that is not provided by <tt>ActionController::API</tt> + # out of the box. class API < Metal abstract! diff --git a/actionpack/lib/action_controller/base.rb b/actionpack/lib/action_controller/base.rb index 04e5922ce8..d546d7260c 100644 --- a/actionpack/lib/action_controller/base.rb +++ b/actionpack/lib/action_controller/base.rb @@ -229,7 +229,7 @@ module ActionController HttpAuthentication::Digest::ControllerMethods, HttpAuthentication::Token::ControllerMethods, - # Before callbacks should also be executed the earliest as possible, so + # Before callbacks should also be executed as early as possible, so # also include them at the bottom. AbstractController::Callbacks, @@ -251,9 +251,10 @@ module ActionController setup_renderer! # Define some internal variables that should not be propagated to the view. - PROTECTED_IVARS = AbstractController::Rendering::DEFAULT_PROTECTED_INSTANCE_VARIABLES + [ - :@_params, :@_response, :@_request, - :@_view_runtime, :@_stream, :@_url_options, :@_action_has_layout ] + PROTECTED_IVARS = AbstractController::Rendering::DEFAULT_PROTECTED_INSTANCE_VARIABLES + %i( + @_params @_response @_request @_config @_url_options @_action_has_layout @_view_context_class + @_view_renderer @_lookup_context @_routes @_view_runtime @_db_runtime @_helper_proxy + ) def _protected_ivars # :nodoc: PROTECTED_IVARS diff --git a/actionpack/lib/action_controller/caching.rb b/actionpack/lib/action_controller/caching.rb index 0b8fa2ea09..a9a8508abc 100644 --- a/actionpack/lib/action_controller/caching.rb +++ b/actionpack/lib/action_controller/caching.rb @@ -1,6 +1,3 @@ -require 'fileutils' -require 'uri' - module ActionController # \Caching is a cheap way of speeding up slow applications by keeping the result of # calculations, renderings, and database calls around for subsequent requests. @@ -23,65 +20,25 @@ module ActionController # config.action_controller.cache_store = :mem_cache_store, Memcached::Rails.new('localhost:11211') # config.action_controller.cache_store = MyOwnStore.new('parameter') module Caching - extend ActiveSupport::Concern extend ActiveSupport::Autoload - - eager_autoload do - autoload :Fragments - end - - module ConfigMethods - def cache_store - config.cache_store - end - - def cache_store=(store) - config.cache_store = ActiveSupport::Cache.lookup_store(store) - end - - private - def cache_configured? - perform_caching && cache_store - end - end - - include AbstractController::Callbacks - - include ConfigMethods - include Fragments + extend ActiveSupport::Concern included do - extend ConfigMethods - - config_accessor :default_static_extension - self.default_static_extension ||= '.html' - - config_accessor :perform_caching - self.perform_caching = true if perform_caching.nil? - - class_attribute :_view_cache_dependencies - self._view_cache_dependencies = [] - helper_method :view_cache_dependencies if respond_to?(:helper_method) + include AbstractController::Caching end - module ClassMethods - def view_cache_dependency(&dependency) - self._view_cache_dependencies += [dependency] - end - end + private - def view_cache_dependencies - self.class._view_cache_dependencies.map { |dep| instance_exec(&dep) }.compact - end + def instrument_payload(key) + { + controller: controller_name, + action: action_name, + key: key + } + end - protected - # Convenience accessor. - def cache(key, options = {}, &block) - if cache_configured? - cache_store.fetch(ActiveSupport::Cache.expand_cache_key(key, :controller), options, &block) - else - yield - end + def instrument_name + "action_controller" end end end diff --git a/actionpack/lib/action_controller/caching/fragments.rb b/actionpack/lib/action_controller/caching/fragments.rb deleted file mode 100644 index b9ad51a9cf..0000000000 --- a/actionpack/lib/action_controller/caching/fragments.rb +++ /dev/null @@ -1,148 +0,0 @@ -module ActionController - module Caching - # Fragment caching is used for caching various blocks within - # views without caching the entire action as a whole. This is - # useful when certain elements of an action change frequently or - # depend on complicated state while other parts rarely change or - # can be shared amongst multiple parties. The caching is done using - # the +cache+ helper available in the Action View. See - # ActionView::Helpers::CacheHelper for more information. - # - # While it's strongly recommended that you use key-based cache - # expiration (see links in CacheHelper for more information), - # it is also possible to manually expire caches. For example: - # - # expire_fragment('name_of_cache') - module Fragments - extend ActiveSupport::Concern - - included do - if respond_to?(:class_attribute) - class_attribute :fragment_cache_keys - else - mattr_writer :fragment_cache_keys - end - - self.fragment_cache_keys = [] - - helper_method :fragment_cache_key if respond_to?(:helper_method) - end - - module ClassMethods - # Allows you to specify controller-wide key prefixes for - # cache fragments. Pass either a constant +value+, or a block - # which computes a value each time a cache key is generated. - # - # For example, you may want to prefix all fragment cache keys - # with a global version identifier, so you can easily - # invalidate all caches. - # - # class ApplicationController - # fragment_cache_key "v1" - # end - # - # When it's time to invalidate all fragments, simply change - # the string constant. Or, progressively roll out the cache - # invalidation using a computed value: - # - # class ApplicationController - # fragment_cache_key do - # @account.id.odd? ? "v1" : "v2" - # end - # end - def fragment_cache_key(value = nil, &key) - self.fragment_cache_keys += [key || ->{ value }] - end - end - - # Given a key (as described in +expire_fragment+), returns - # a key suitable for use in reading, writing, or expiring a - # cached fragment. All keys begin with <tt>views/</tt>, - # followed by any controller-wide key prefix values, ending - # with the specified +key+ value. The key is expanded using - # ActiveSupport::Cache.expand_cache_key. - def fragment_cache_key(key) - head = self.class.fragment_cache_keys.map { |k| instance_exec(&k) } - tail = key.is_a?(Hash) ? url_for(key).split("://").last : key - ActiveSupport::Cache.expand_cache_key([*head, *tail], :views) - end - - # Writes +content+ to the location signified by - # +key+ (see +expire_fragment+ for acceptable formats). - def write_fragment(key, content, options = nil) - return content unless cache_configured? - - key = fragment_cache_key(key) - instrument_fragment_cache :write_fragment, key do - content = content.to_str - cache_store.write(key, content, options) - end - content - end - - # Reads a cached fragment from the location signified by +key+ - # (see +expire_fragment+ for acceptable formats). - def read_fragment(key, options = nil) - return unless cache_configured? - - key = fragment_cache_key(key) - instrument_fragment_cache :read_fragment, key do - result = cache_store.read(key, options) - result.respond_to?(:html_safe) ? result.html_safe : result - end - end - - # Check if a cached fragment from the location signified by - # +key+ exists (see +expire_fragment+ for acceptable formats). - def fragment_exist?(key, options = nil) - return unless cache_configured? - key = fragment_cache_key(key) - - instrument_fragment_cache :exist_fragment?, key do - cache_store.exist?(key, options) - end - end - - # Removes fragments from the cache. - # - # +key+ can take one of three forms: - # - # * String - This would normally take the form of a path, like - # <tt>pages/45/notes</tt>. - # * Hash - Treated as an implicit call to +url_for+, like - # <tt>{ controller: 'pages', action: 'notes', id: 45}</tt> - # * Regexp - Will remove any fragment that matches, so - # <tt>%r{pages/\d*/notes}</tt> might remove all notes. Make sure you - # don't use anchors in the regex (<tt>^</tt> or <tt>$</tt>) because - # the actual filename matched looks like - # <tt>./cache/filename/path.cache</tt>. Note: Regexp expiration is - # only supported on caches that can iterate over all keys (unlike - # memcached). - # - # +options+ is passed through to the cache store's +delete+ - # method (or <tt>delete_matched</tt>, for Regexp keys). - def expire_fragment(key, options = nil) - return unless cache_configured? - key = fragment_cache_key(key) unless key.is_a?(Regexp) - - instrument_fragment_cache :expire_fragment, key do - if key.is_a?(Regexp) - cache_store.delete_matched(key, options) - else - cache_store.delete(key, options) - end - end - end - - def instrument_fragment_cache(name, key) # :nodoc: - payload = { - controller: controller_name, - action: action_name, - key: key - } - - ActiveSupport::Notifications.instrument("#{name}.action_controller", payload) { yield } - end - end - end -end diff --git a/actionpack/lib/action_controller/log_subscriber.rb b/actionpack/lib/action_controller/log_subscriber.rb index 4c9f14e409..a0917b4fdb 100644 --- a/actionpack/lib/action_controller/log_subscriber.rb +++ b/actionpack/lib/action_controller/log_subscriber.rb @@ -25,7 +25,9 @@ module ActionController status = ActionDispatch::ExceptionWrapper.status_code_for_exception(exception_class_name) end message = "Completed #{status} #{Rack::Utils::HTTP_STATUS_CODES[status]} in #{event.duration.round}ms" - message << " (#{additions.join(" | ".freeze)})" unless additions.blank? + message << " (#{additions.join(" | ".freeze)})" unless additions.empty? + message << "\n\n" if defined?(Rails.env) && Rails.env.development? + message end end diff --git a/actionpack/lib/action_controller/metal.rb b/actionpack/lib/action_controller/metal.rb index f6a93a8940..f6e67b02d7 100644 --- a/actionpack/lib/action_controller/metal.rb +++ b/actionpack/lib/action_controller/metal.rb @@ -174,10 +174,8 @@ module ActionController def response_body=(body) body = [body] unless body.nil? || body.respond_to?(:each) response.reset_body! - body.each { |part| - next if part.empty? - response.write part - } + return unless body + response.body = body super end diff --git a/actionpack/lib/action_controller/metal/basic_implicit_render.rb b/actionpack/lib/action_controller/metal/basic_implicit_render.rb index 6c6f8381ff..cef65a362c 100644 --- a/actionpack/lib/action_controller/metal/basic_implicit_render.rb +++ b/actionpack/lib/action_controller/metal/basic_implicit_render.rb @@ -1,5 +1,5 @@ module ActionController - module BasicImplicitRender + module BasicImplicitRender # :nodoc: def send_action(method, *args) super.tap { default_render unless performed? } end diff --git a/actionpack/lib/action_controller/metal/conditional_get.rb b/actionpack/lib/action_controller/metal/conditional_get.rb index f8e0d9cf6c..e21449f376 100644 --- a/actionpack/lib/action_controller/metal/conditional_get.rb +++ b/actionpack/lib/action_controller/metal/conditional_get.rb @@ -36,8 +36,23 @@ module ActionController # # === Parameters: # - # * <tt>:etag</tt>. - # * <tt>:last_modified</tt>. + # * <tt>:etag</tt> Sets a "weak" ETag validator on the response. See the + # +:weak_etag+ option. + # * <tt>:weak_etag</tt> Sets a "weak" ETag validator on the response. + # Requests that set If-None-Match header may return a 304 Not Modified + # response if it matches the ETag exactly. A weak ETag indicates semantic + # equivalence, not byte-for-byte equality, so they're good for caching + # HTML pages in browser caches. They can't be used for responses that + # must be byte-identical, like serving Range requests within a PDF file. + # * <tt>:strong_etag</tt> Sets a "strong" ETag validator on the response. + # Requests that set If-None-Match header may return a 304 Not Modified + # response if it matches the ETag exactly. A strong ETag implies exact + # equality: the response must match byte for byte. This is necessary for + # doing Range requests within a large video or PDF file, for example, or + # for compatibility with some CDNs that don't support weak ETags. + # * <tt>:last_modified</tt> Sets a "weak" last-update validator on the + # response. Subsequent requests that set If-Modified-Since may return a + # 304 Not Modified response if last_modified <= If-Modified-Since. # * <tt>:public</tt> By default the Cache-Control header is private, set this to # +true+ if you want your application to be cacheable by other devices (proxy caches). # * <tt>:template</tt> By default, the template digest for the current @@ -86,12 +101,16 @@ module ActionController # # before_action { fresh_when @article, template: 'widgets/show' } # - def fresh_when(object = nil, etag: object, last_modified: nil, public: false, template: nil) + def fresh_when(object = nil, etag: nil, weak_etag: nil, strong_etag: nil, last_modified: nil, public: false, template: nil) + weak_etag ||= etag || object unless strong_etag last_modified ||= object.try(:updated_at) || object.try(:maximum, :updated_at) - if etag || template - response.etag = combine_etags(etag: etag, last_modified: last_modified, - public: public, template: template) + if strong_etag + response.strong_etag = combine_etags strong_etag, + last_modified: last_modified, public: public, template: template + elsif weak_etag || template + response.weak_etag = combine_etags weak_etag, + last_modified: last_modified, public: public, template: template end response.last_modified = last_modified if last_modified @@ -107,8 +126,23 @@ module ActionController # # === Parameters: # - # * <tt>:etag</tt>. - # * <tt>:last_modified</tt>. + # * <tt>:etag</tt> Sets a "weak" ETag validator on the response. See the + # +:weak_etag+ option. + # * <tt>:weak_etag</tt> Sets a "weak" ETag validator on the response. + # Requests that set If-None-Match header may return a 304 Not Modified + # response if it matches the ETag exactly. A weak ETag indicates semantic + # equivalence, not byte-for-byte equality, so they're good for caching + # HTML pages in browser caches. They can't be used for responses that + # must be byte-identical, like serving Range requests within a PDF file. + # * <tt>:strong_etag</tt> Sets a "strong" ETag validator on the response. + # Requests that set If-None-Match header may return a 304 Not Modified + # response if it matches the ETag exactly. A strong ETag implies exact + # equality: the response must match byte for byte. This is necessary for + # doing Range requests within a large video or PDF file, for example, or + # for compatibility with some CDNs that don't support weak ETags. + # * <tt>:last_modified</tt> Sets a "weak" last-update validator on the + # response. Subsequent requests that set If-Modified-Since may return a + # 304 Not Modified response if last_modified <= If-Modified-Since. # * <tt>:public</tt> By default the Cache-Control header is private, set this to # +true+ if you want your application to be cacheable by other devices (proxy caches). # * <tt>:template</tt> By default, the template digest for the current @@ -180,12 +214,12 @@ module ActionController # super if stale? @article, template: 'widgets/show' # end # - def stale?(object = nil, etag: object, last_modified: nil, public: nil, template: nil) - fresh_when(object, etag: etag, last_modified: last_modified, public: public, template: template) + def stale?(object = nil, **freshness_kwargs) + fresh_when(object, **freshness_kwargs) !request.fresh?(response) end - # Sets a HTTP 1.1 Cache-Control header. Defaults to issuing a +private+ + # Sets an HTTP 1.1 Cache-Control header. Defaults to issuing a +private+ # instruction, so that intermediate caches must not cache the response. # # expires_in 20.minutes @@ -195,7 +229,7 @@ module ActionController # This method will overwrite an existing Cache-Control header. # See http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html for more possibilities. # - # The method will also ensure a HTTP Date header for client compatibility. + # The method will also ensure an HTTP Date header for client compatibility. def expires_in(seconds, options = {}) response.cache_control.merge!( :max_age => seconds, @@ -208,7 +242,7 @@ module ActionController response.date = Time.now unless response.date? end - # Sets a HTTP 1.1 Cache-Control header of <tt>no-cache</tt> so no caching should + # Sets an HTTP 1.1 Cache-Control header of <tt>no-cache</tt> so no caching should # occur by the browser or intermediate caches (like caching proxy servers). def expires_now response.cache_control.replace(:no_cache => true) @@ -216,26 +250,23 @@ module ActionController # Cache or yield the block. The cache is supposed to never expire. # - # You can use this method when you have a HTTP response that never changes, + # You can use this method when you have an HTTP response that never changes, # and the browser and proxies should cache it indefinitely. # # * +public+: By default, HTTP responses are private, cached only on the # user's web browser. To allow proxies to cache the response, set +true+ to # indicate that they can serve the cached response to all users. - # - # * +version+: the version passed as a key for the cache. - def http_cache_forever(public: false, version: 'v1') + def http_cache_forever(public: false) expires_in 100.years, public: public - yield if stale?(etag: "#{version}-#{request.fullpath}", + yield if stale?(etag: request.fullpath, last_modified: Time.new(2011, 1, 1).utc, public: public) end private - def combine_etags(options) - etags = etaggers.map { |etagger| instance_exec(options, &etagger) }.compact - etags.unshift options[:etag] + def combine_etags(validator, options) + [validator, *etaggers.map { |etagger| instance_exec(options, &etagger) }].compact end end end diff --git a/actionpack/lib/action_controller/metal/cookies.rb b/actionpack/lib/action_controller/metal/cookies.rb index f8efb2b076..44925641a1 100644 --- a/actionpack/lib/action_controller/metal/cookies.rb +++ b/actionpack/lib/action_controller/metal/cookies.rb @@ -3,7 +3,7 @@ module ActionController #:nodoc: extend ActiveSupport::Concern included do - helper_method :cookies + helper_method :cookies if defined?(helper_method) end private diff --git a/actionpack/lib/action_controller/metal/data_streaming.rb b/actionpack/lib/action_controller/metal/data_streaming.rb index 957e7a3019..6cd6130032 100644 --- a/actionpack/lib/action_controller/metal/data_streaming.rb +++ b/actionpack/lib/action_controller/metal/data_streaming.rb @@ -25,14 +25,13 @@ module ActionController #:nodoc: # * <tt>:filename</tt> - suggests a filename for the browser to use. # Defaults to <tt>File.basename(path)</tt>. # * <tt>:type</tt> - specifies an HTTP content type. - # You can specify either a string or a symbol for a registered type register with - # <tt>Mime::Type.register</tt>, for example :json - # If omitted, type will be guessed from the file extension specified in <tt>:filename</tt>. - # If no content type is registered for the extension, default type 'application/octet-stream' will be used. + # You can specify either a string or a symbol for a registered type with <tt>Mime::Type.register</tt>, for example :json. + # If omitted, the type will be inferred from the file extension specified in <tt>:filename</tt>. + # If no content type is registered for the extension, the default type 'application/octet-stream' will be used. # * <tt>:disposition</tt> - specifies whether the file will be shown inline or downloaded. # Valid values are 'inline' and 'attachment' (default). # * <tt>:status</tt> - specifies the status code to send with the response. Defaults to 200. - # * <tt>:url_based_filename</tt> - set to +true+ if you want the browser guess the filename from + # * <tt>:url_based_filename</tt> - set to +true+ if you want the browser to guess the filename from # the URL, which is necessary for i18n filenames on certain browsers # (setting <tt>:filename</tt> overrides this option). # @@ -79,14 +78,14 @@ module ActionController #:nodoc: # <tt>render plain: data</tt>, but also allows you to specify whether # the browser should display the response as a file attachment (i.e. in a # download dialog) or as inline data. You may also set the content type, - # the apparent file name, and other things. + # the file name, and other things. # # Options: # * <tt>:filename</tt> - suggests a filename for the browser to use. - # * <tt>:type</tt> - specifies an HTTP content type. Defaults to 'application/octet-stream'. You can specify - # either a string or a symbol for a registered type register with <tt>Mime::Type.register</tt>, for example :json - # If omitted, type will be guessed from the file extension specified in <tt>:filename</tt>. - # If no content type is registered for the extension, default type 'application/octet-stream' will be used. + # * <tt>:type</tt> - specifies an HTTP content type. Defaults to 'application/octet-stream'. + # You can specify either a string or a symbol for a registered type with <tt>Mime::Type.register</tt>, for example :json. + # If omitted, type will be inferred from the file extension specified in <tt>:filename</tt>. + # If no content type is registered for the extension, the default type 'application/octet-stream' will be used. # * <tt>:disposition</tt> - specifies whether the file will be shown inline or downloaded. # Valid values are 'inline' and 'attachment' (default). # * <tt>:status</tt> - specifies the status code to send with the response. Defaults to 200. diff --git a/actionpack/lib/action_controller/metal/force_ssl.rb b/actionpack/lib/action_controller/metal/force_ssl.rb index e31d65aac2..ea8e91ce24 100644 --- a/actionpack/lib/action_controller/metal/force_ssl.rb +++ b/actionpack/lib/action_controller/metal/force_ssl.rb @@ -2,17 +2,17 @@ require 'active_support/core_ext/hash/except' require 'active_support/core_ext/hash/slice' module ActionController - # This module provides a method which will redirect browser to use HTTPS + # This module provides a method which will redirect the browser to use HTTPS # protocol. This will ensure that user's sensitive information will be - # transferred safely over the internet. You _should_ always force browser + # transferred safely over the internet. You _should_ always force the browser # to use HTTPS when you're transferring sensitive information such as # user authentication, account information, or credit card information. # # Note that if you are really concerned about your application security, # you might consider using +config.force_ssl+ in your config file instead. # That will ensure all the data transferred via HTTPS protocol and prevent - # user from getting session hijacked when accessing the site under unsecured - # HTTP protocol. + # the user from getting their session hijacked when accessing the site over + # unsecured HTTP protocol. module ForceSSL extend ActiveSupport::Concern include AbstractController::Callbacks diff --git a/actionpack/lib/action_controller/metal/helpers.rb b/actionpack/lib/action_controller/metal/helpers.rb index d3853e2e83..295f0cb66f 100644 --- a/actionpack/lib/action_controller/metal/helpers.rb +++ b/actionpack/lib/action_controller/metal/helpers.rb @@ -5,7 +5,7 @@ module ActionController # # In addition to using the standard template helpers provided, creating custom helpers to # extract complicated logic or reusable functionality is strongly encouraged. By default, each controller - # will include all helpers. These helpers are only accessible on the controller through <tt>.helpers</tt> + # will include all helpers. These helpers are only accessible on the controller through <tt>#helpers</tt> # # In previous versions of \Rails the controller will include a helper which # matches the name of the controller, e.g., <tt>MyController</tt> will automatically @@ -71,7 +71,7 @@ module ActionController attrs.flatten.each { |attr| helper_method(attr, "#{attr}=") } end - # Provides a proxy to access helpers methods from outside the view. + # Provides a proxy to access helper methods from outside the view. def helpers @helper_proxy ||= begin proxy = ActionView::Base.new @@ -113,5 +113,10 @@ module ActionController all_helpers_from_path(helpers_path) end end + + # Provides a proxy to access helper methods from outside the view. + def helpers + @_helper_proxy ||= view_context + end end end diff --git a/actionpack/lib/action_controller/metal/http_authentication.rb b/actionpack/lib/action_controller/metal/http_authentication.rb index 35be6d9300..4639348509 100644 --- a/actionpack/lib/action_controller/metal/http_authentication.rb +++ b/actionpack/lib/action_controller/metal/http_authentication.rb @@ -310,9 +310,9 @@ module ActionController end # Might want a shorter timeout depending on whether the request - # is a PATCH, PUT, or POST, and if client is browser or web service. + # is a PATCH, PUT, or POST, and if the client is a browser or web service. # Can be much shorter if the Stale directive is implemented. This would - # allow a user to use new nonce without prompting user again for their + # allow a user to use new nonce without prompting the user again for their # username and password. def validate_nonce(secret_key, request, value, seconds_to_timeout=5*60) return false if value.nil? @@ -347,7 +347,12 @@ module ActionController # private # def authenticate # authenticate_or_request_with_http_token do |token, options| - # token == TOKEN + # # Compare the tokens in a time-constant manner, to mitigate + # # timing attacks. + # ActiveSupport::SecurityUtils.secure_compare( + # ::Digest::SHA256.hexdigest(token), + # ::Digest::SHA256.hexdigest(TOKEN) + # ) # end # end # end diff --git a/actionpack/lib/action_controller/metal/implicit_render.rb b/actionpack/lib/action_controller/metal/implicit_render.rb index 17fcc2fa02..6192fc0f9c 100644 --- a/actionpack/lib/action_controller/metal/implicit_render.rb +++ b/actionpack/lib/action_controller/metal/implicit_render.rb @@ -1,29 +1,62 @@ +require 'active_support/core_ext/string/strip' + module ActionController + # Handles implicit rendering for a controller action that does not + # explicitly respond with +render+, +respond_to+, +redirect+, or +head+. + # + # For API controllers, the implicit response is always 204 No Content. + # + # For all other controllers, we use these heuristics to decide whether to + # render a template, raise an error for a missing template, or respond with + # 204 No Content: + # + # First, if we DO find a template, it's rendered. Template lookup accounts + # for the action name, locales, format, variant, template handlers, and more + # (see +render+ for details). + # + # Second, if we DON'T find a template but the controller action does have + # templates for other formats, variants, etc., then we trust that you meant + # to provide a template for this response, too, and we raise + # <tt>ActionController::UnknownFormat</tt> with an explanation. + # + # Third, if we DON'T find a template AND the request is a page load in a web + # browser (technically, a non-XHR GET request for an HTML response) where + # you reasonably expect to have rendered a template, then we raise + # <tt>ActionView::UnknownFormat</tt> with an explanation. + # + # Finally, if we DON'T find a template AND the request isn't a browser page + # load, then we implicitly respond with 204 No Content. module ImplicitRender + # :stopdoc: include BasicImplicitRender - # Renders the template corresponding to the controller action, if it exists. - # The action name, format, and variant are all taken into account. - # For example, the "new" action with an HTML format and variant "phone" - # would try to render the <tt>new.html+phone.erb</tt> template. - # - # If no template is found <tt>ActionController::BasicImplicitRender</tt>'s implementation is called, unless - # a block is passed. In that case, it will override the super implementation. - # - # default_render do - # head 404 # No template was found - # end def default_render(*args) if template_exists?(action_name.to_s, _prefixes, variants: request.variant) render(*args) + elsif any_templates?(action_name.to_s, _prefixes) + message = "#{self.class.name}\##{action_name} is missing a template " \ + "for this request format and variant.\n" \ + "\nrequest.formats: #{request.formats.map(&:to_s).inspect}" \ + "\nrequest.variant: #{request.variant.inspect}" + + raise ActionController::UnknownFormat, message + elsif interactive_browser_request? + message = "#{self.class.name}\##{action_name} is missing a template " \ + "for this request format and variant.\n\n" \ + "request.formats: #{request.formats.map(&:to_s).inspect}\n" \ + "request.variant: #{request.variant.inspect}\n\n" \ + "NOTE! For XHR/Ajax or API requests, this action would normally " \ + "respond with 204 No Content: an empty white screen. Since you're " \ + "loading it in a web browser, we assume that you expected to " \ + "actually render a template, not… nothing, so we're showing an " \ + "error to be extra-clear. If you expect 204 No Content, carry on. " \ + "That's what you'll get from an XHR or API request. Give it a shot." + + raise ActionController::UnknownFormat, message else - if block_given? - yield(*args) - else - logger.info "No template found for #{self.class.name}\##{action_name}, rendering head :no_content" if logger - super - end + logger.info "No template found for #{self.class.name}\##{action_name}, rendering head :no_content" if logger + super end end @@ -32,5 +65,10 @@ module ActionController "default_render" end end + + private + def interactive_browser_request? + request.get? && request.format == Mime[:html] && !request.xhr? + end end end diff --git a/actionpack/lib/action_controller/metal/instrumentation.rb b/actionpack/lib/action_controller/metal/instrumentation.rb index 3dbf34eb2a..624a6d5b76 100644 --- a/actionpack/lib/action_controller/metal/instrumentation.rb +++ b/actionpack/lib/action_controller/metal/instrumentation.rb @@ -19,9 +19,10 @@ module ActionController :controller => self.class.name, :action => self.action_name, :params => request.filtered_parameters, - :format => request.format.try(:ref), + :headers => request.headers, + :format => request.format.ref, :method => request.request_method, - :path => (request.fullpath rescue "unknown") + :path => request.fullpath } ActiveSupport::Notifications.instrument("start_processing.action_controller", raw_payload.dup) @@ -74,8 +75,8 @@ module ActionController ActiveSupport::Notifications.instrument("halted_callback.action_controller", :filter => filter) end - # A hook which allows you to clean up any time taken into account in - # views wrongly, like database querying time. + # A hook which allows you to clean up any time, wrongly taken into account in + # views, like database querying time. # # def cleanup_view_runtime # super - time_taken_in_something_expensive diff --git a/actionpack/lib/action_controller/metal/live.rb b/actionpack/lib/action_controller/metal/live.rb index e3c540bf5f..5d395cd8bd 100644 --- a/actionpack/lib/action_controller/metal/live.rb +++ b/actionpack/lib/action_controller/metal/live.rb @@ -3,7 +3,7 @@ require 'delegate' require 'active_support/json' module ActionController - # Mix this module in to your controller, and all actions in that controller + # Mix this module into your controller, and all actions in that controller # will be able to stream data to the client as it's written. # # class MyController < ActionController::Base @@ -20,7 +20,7 @@ module ActionController # end # end # - # There are a few caveats with this use. You *cannot* write headers after the + # There are a few caveats with this module. You *cannot* write headers after the # response has been committed (Response#committed? will return truthy). # Calling +write+ or +close+ on the response stream will cause the response # object to be committed. Make sure all headers are set before calling write @@ -163,14 +163,6 @@ module ActionController end end - def each - @response.sending! - while str = @buf.pop - yield str - end - @response.sent! - end - # Write a 'close' event to the buffer; the producer/writing thread # uses this to notify us that it's finished supplying content. # @@ -210,6 +202,14 @@ module ActionController def call_on_error @error_callback.call end + + private + + def each_chunk(&block) + while str = @buf.pop + yield str + end + end end class Response < ActionDispatch::Response #:nodoc: all @@ -237,39 +237,55 @@ module ActionController # This processes the action in a child thread. It lets us return the # response code and headers back up the rack stack, and still process # the body in parallel with sending data to the client - Thread.new { - t2 = Thread.current - t2.abort_on_exception = true - - # Since we're processing the view in a different thread, copy the - # thread locals from the main thread to the child thread. :'( - locals.each { |k,v| t2[k] = v } - - begin - super(name) - rescue => e - if @_response.committed? - begin - @_response.stream.write(ActionView::Base.streaming_completion_on_exception) if request.format == :html - @_response.stream.call_on_error - rescue => exception - log_error(exception) - ensure - log_error(e) - @_response.stream.close + new_controller_thread { + ActiveSupport::Dependencies.interlock.running do + t2 = Thread.current + + # Since we're processing the view in a different thread, copy the + # thread locals from the main thread to the child thread. :'( + locals.each { |k,v| t2[k] = v } + + begin + super(name) + rescue => e + if @_response.committed? + begin + @_response.stream.write(ActionView::Base.streaming_completion_on_exception) if request.format == :html + @_response.stream.call_on_error + rescue => exception + log_error(exception) + ensure + log_error(e) + @_response.stream.close + end + else + error = e end - else - error = e + ensure + @_response.commit! end - ensure - @_response.commit! end } - @_response.await_commit + ActiveSupport::Dependencies.interlock.permit_concurrent_loads do + @_response.await_commit + end + raise error if error end + # Spawn a new thread to serve up the controller in. This is to get + # around the fact that Rack isn't based around IOs and we need to use + # a thread to stream data from the response bodies. Nobody should call + # this method except in Rails internals. Seriously! + def new_controller_thread # :nodoc: + Thread.new { + t2 = Thread.current + t2.abort_on_exception = true + yield + } + end + def log_error(exception) logger = ActionController::Base.logger return unless logger diff --git a/actionpack/lib/action_controller/metal/mime_responds.rb b/actionpack/lib/action_controller/metal/mime_responds.rb index 173a14a1d2..2e89af1a5e 100644 --- a/actionpack/lib/action_controller/metal/mime_responds.rb +++ b/actionpack/lib/action_controller/metal/mime_responds.rb @@ -198,7 +198,7 @@ module ActionController #:nodoc: _process_format(format) _set_rendered_content_type format response = collector.response - response ? response.call : render({}) + response.call if response else raise ActionController::UnknownFormat end diff --git a/actionpack/lib/action_controller/metal/redirecting.rb b/actionpack/lib/action_controller/metal/redirecting.rb index b13ba06962..3c7cc15627 100644 --- a/actionpack/lib/action_controller/metal/redirecting.rb +++ b/actionpack/lib/action_controller/metal/redirecting.rb @@ -84,7 +84,7 @@ module ActionController # redirect_back fallback_location: proc { edit_post_url(@post) } # # All options that can be passed to <tt>redirect_to</tt> are accepted as - # options and the behavior is indetical. + # options and the behavior is identical. def redirect_back(fallback_location:, **args) if referer = request.headers["Referer"] redirect_to referer, **args diff --git a/actionpack/lib/action_controller/metal/renderers.rb b/actionpack/lib/action_controller/metal/renderers.rb index 90fb34e386..1735609cd9 100644 --- a/actionpack/lib/action_controller/metal/renderers.rb +++ b/actionpack/lib/action_controller/metal/renderers.rb @@ -103,7 +103,7 @@ module ActionController # # Both <tt>ActionController::Base</tt> and <tt>ActionController::API</tt> # include <tt>ActionController::Renderers::All</tt>, making all renderers - # avaialable in the controller. See <tt>Renderers::RENDERERS</tt> and <tt>Renderers.add</tt>. + # available in the controller. See <tt>Renderers::RENDERERS</tt> and <tt>Renderers.add</tt>. # # Since <tt>ActionController::Metal</tt> controllers cannot render, the controller # must include <tt>AbstractController::Rendering</tt>, <tt>ActionController::Rendering</tt>, diff --git a/actionpack/lib/action_controller/metal/request_forgery_protection.rb b/actionpack/lib/action_controller/metal/request_forgery_protection.rb index 91b3403ad5..0559fbc6ce 100644 --- a/actionpack/lib/action_controller/metal/request_forgery_protection.rb +++ b/actionpack/lib/action_controller/metal/request_forgery_protection.rb @@ -213,7 +213,7 @@ module ActionController #:nodoc: if !verified_request? if logger && log_warning_on_csrf_failure - logger.warn "Can't verify CSRF token authenticity" + logger.warn "Can't verify CSRF token authenticity." end handle_unverified_request end @@ -235,7 +235,9 @@ module ActionController #:nodoc: # we aren't serving an unauthorized cross-origin response. def verify_same_origin_request if marked_for_same_origin_verification? && non_xhr_javascript_response? - logger.warn CROSS_ORIGIN_JAVASCRIPT_WARNING if logger + if logger && log_warning_on_csrf_failure + logger.warn CROSS_ORIGIN_JAVASCRIPT_WARNING + end raise ActionController::InvalidCrossOriginRequest, CROSS_ORIGIN_JAVASCRIPT_WARNING end end @@ -378,7 +380,9 @@ module ActionController #:nodoc: end def xor_byte_strings(s1, s2) - s1.bytes.zip(s2.bytes).map { |(c1,c2)| c1 ^ c2 }.pack('c*') + s2_bytes = s2.bytes + s1.each_byte.with_index { |c1, i| s2_bytes[i] ^= c1 } + s2_bytes.pack('C*') end # The form's authenticity parameter. Override to provide your own. @@ -403,7 +407,8 @@ module ActionController #:nodoc: end def normalize_action_path(action_path) - action_path.split('?').first.to_s.chomp('/') + uri = URI.parse(action_path) + uri.path.chomp('/') end end end diff --git a/actionpack/lib/action_controller/metal/rescue.rb b/actionpack/lib/action_controller/metal/rescue.rb index 81b9a7b9ed..17f4030f25 100644 --- a/actionpack/lib/action_controller/metal/rescue.rb +++ b/actionpack/lib/action_controller/metal/rescue.rb @@ -1,18 +1,11 @@ module ActionController #:nodoc: - # This module is responsible to provide `rescue_from` helpers - # to controllers and configure when detailed exceptions must be + # This module is responsible for providing `rescue_from` helpers + # to controllers and configuring when detailed exceptions must be # shown. module Rescue extend ActiveSupport::Concern include ActiveSupport::Rescuable - def rescue_with_handler(exception) - if exception.cause && handler_for_rescue(exception.cause) - exception = exception.cause - end - super(exception) - end - # Override this method if you want to customize when detailed # exceptions must be shown. This method is only called when # consider_all_requests_local is false. By default, it returns @@ -27,7 +20,7 @@ module ActionController #:nodoc: super rescue Exception => exception request.env['action_dispatch.show_detailed_exceptions'] ||= show_detailed_exceptions? - rescue_with_handler(exception) || raise(exception) + rescue_with_handler(exception) || raise end end end diff --git a/actionpack/lib/action_controller/metal/strong_parameters.rb b/actionpack/lib/action_controller/metal/strong_parameters.rb index d3382ef296..46589901fd 100644 --- a/actionpack/lib/action_controller/metal/strong_parameters.rb +++ b/actionpack/lib/action_controller/metal/strong_parameters.rb @@ -43,7 +43,7 @@ module ActionController # == Action Controller \Parameters # - # Allows to choose which attributes should be whitelisted for mass updating + # Allows you to choose which attributes should be whitelisted for mass updating # and thus prevent accidentally exposing that which shouldn't be exposed. # Provides two methods for this purpose: #require and #permit. The former is # used to mark parameters as required. The latter is used to set the parameter @@ -109,7 +109,7 @@ module ActionController cattr_accessor :permit_all_parameters, instance_accessor: false cattr_accessor :action_on_unpermitted_parameters, instance_accessor: false - delegate :keys, :key?, :has_key?, :values, :has_value?, :value?, :empty?, :include?, :inspect, + delegate :keys, :key?, :has_key?, :values, :has_value?, :value?, :empty?, :include?, :as_json, to: :@parameters # By default, never raise an UnpermittedParameters exception if these @@ -122,16 +122,6 @@ module ActionController cattr_accessor :always_permitted_parameters self.always_permitted_parameters = %w( controller action ) - def self.const_missing(const_name) - return super unless const_name == :NEVER_UNPERMITTED_PARAMS - ActiveSupport::Deprecation.warn(<<-MSG.squish) - `ActionController::Parameters::NEVER_UNPERMITTED_PARAMS` has been deprecated. - Use `ActionController::Parameters.always_permitted_parameters` instead. - MSG - - always_permitted_parameters - end - # Returns a new instance of <tt>ActionController::Parameters</tt>. # Also, sets the +permitted+ attribute to the default value of # <tt>ActionController::Parameters.permit_all_parameters</tt>. @@ -154,17 +144,21 @@ module ActionController end # Returns true if another +Parameters+ object contains the same content and - # permitted flag, or other Hash-like object contains the same content. This - # override is in place so you can perform a comparison with `Hash`. - def ==(other_hash) - if other_hash.respond_to?(:permitted?) - super + # permitted flag. + def ==(other) + if other.respond_to?(:permitted?) + self.permitted? == other.permitted? && self.parameters == other.parameters + elsif other.is_a?(Hash) + ActiveSupport::Deprecation.warn <<-WARNING.squish + Comparing equality between `ActionController::Parameters` and a + `Hash` is deprecated and will be removed in Rails 5.1. Please only do + comparisons between instances of `ActionController::Parameters`. If + you need to compare to a hash, first convert it using + `ActionController::Parameters#new`. + WARNING + @parameters == other.with_indifferent_access else - if other_hash.is_a?(Hash) - @parameters == other_hash.with_indifferent_access - else - @parameters == other_hash - end + @parameters == other end end @@ -190,12 +184,19 @@ module ActionController # Returns an unsafe, unfiltered # <tt>ActiveSupport::HashWithIndifferentAccess</tt> representation of this # parameter. + # + # params = ActionController::Parameters.new({ + # name: 'Senjougahara Hitagi', + # oddity: 'Heavy stone crab' + # }) + # params.to_unsafe_h + # # => {"name"=>"Senjougahara Hitagi", "oddity" => "Heavy stone crab"} def to_unsafe_h convert_parameters_to_hashes(@parameters, :to_unsafe_h) end alias_method :to_unsafe_hash, :to_unsafe_h - # Convert all hashes in values into parameters, then yield each pair like + # Convert all hashes in values into parameters, then yield each pair in # the same way as <tt>Hash#each_pair</tt> def each_pair(&block) @parameters.each_pair do |key, value| @@ -277,7 +278,7 @@ module ActionController # params = ActionController::Parameters.new(user: { ... }, profile: { ... }) # user_params, profile_params = params.require(:user, :profile) # - # Otherwise, the method reraises the first exception found: + # Otherwise, the method re-raises the first exception found: # # params = ActionController::Parameters.new(user: {}, profile: {}) # user_params, profile_params = params.require(:user, :profile) @@ -436,6 +437,21 @@ module ActionController ) end + if Hash.method_defined?(:dig) + # Extracts the nested parameter from the given +keys+ by calling +dig+ + # at each step. Returns +nil+ if any intermediate step is +nil+. + # + # params = ActionController::Parameters.new(foo: { bar: { baz: 1 } }) + # params.dig(:foo, :bar, :baz) # => 1 + # params.dig(:foo, :zot, :xyz) # => nil + # + # params2 = ActionController::Parameters.new(foo: [10, 11, 12]) + # params2.dig(:foo, 1) # => 11 + def dig(*keys) + convert_value_to_parameters(@parameters.dig(*keys)) + end + end + # Returns a new <tt>ActionController::Parameters</tt> instance that # includes only the given +keys+. If the given +keys+ # don't exist, returns an empty hash. @@ -584,6 +600,10 @@ module ActionController dup end + def inspect + "<#{self.class} #{@parameters} permitted: #{@permitted}>" + end + def method_missing(method_sym, *args, &block) if @parameters.respond_to?(method_sym) message = <<-DEPRECATE.squish @@ -603,12 +623,14 @@ module ActionController end protected + attr_reader :parameters + def permitted=(new_permitted) @permitted = new_permitted end def fields_for_style? - @parameters.all? { |k, v| k =~ /\A-?\d+\z/ && v.is_a?(Hash) } + @parameters.all? { |k, v| k =~ /\A-?\d+\z/ && (v.is_a?(Hash) || v.is_a?(Parameters)) } end private @@ -734,6 +756,10 @@ module ActionController end end + def non_scalar?(value) + value.is_a?(Array) || value.is_a?(Parameters) + end + EMPTY_ARRAY = [] def hash_filter(params, filter) filter = filter.with_indifferent_access @@ -748,7 +774,7 @@ module ActionController array_of_permitted_scalars?(self[key]) do |val| params[key] = val end - else + elsif non_scalar?(value) # Declaration { user: :name } or { user: [:name, :age, { address: ... }] }. params[key] = each_element(value) do |element| element.permit(*Array.wrap(filter[key])) @@ -771,7 +797,7 @@ module ActionController # # class PeopleController < ActionController::Base # # Using "Person.create(params[:person])" would raise an - # # ActiveModel::ForbiddenAttributes exception because it'd + # # ActiveModel::ForbiddenAttributesError exception because it'd # # be using mass assignment without an explicit permit step. # # This is the recommended form: # def create @@ -799,7 +825,8 @@ module ActionController # end # # In order to use <tt>accepts_nested_attributes_for</tt> with Strong \Parameters, you - # will need to specify which nested attributes should be whitelisted. + # will need to specify which nested attributes should be whitelisted. You might want + # to allow +:id+ and +:_destroy+, see ActiveRecord::NestedAttributes for more information. # # class Person # has_many :pets @@ -819,7 +846,7 @@ module ActionController # # It's mandatory to specify the nested attributes that should be whitelisted. # # If you use `permit` with just the key that points to the nested attributes hash, # # it will return an empty hash. - # params.require(:person).permit(:name, :age, pets_attributes: [ :name, :category ]) + # params.require(:person).permit(:name, :age, pets_attributes: [ :id, :name, :category ]) # end # end # diff --git a/actionpack/lib/action_controller/renderer.rb b/actionpack/lib/action_controller/renderer.rb index e4d19e9dba..a8c8d66682 100644 --- a/actionpack/lib/action_controller/renderer.rb +++ b/actionpack/lib/action_controller/renderer.rb @@ -1,7 +1,7 @@ require 'active_support/core_ext/hash/keys' module ActionController - # ActionController::Renderer allows to render arbitrary templates + # ActionController::Renderer allows you to render arbitrary templates # without requirement of being in controller actions. # # You get a concrete renderer class by invoking ActionController::Base#renderer. @@ -13,11 +13,11 @@ module ActionController # # ApplicationController.renderer.render template: '...' # - # You can use a shortcut on controller to replace previous example with: + # You can use this shortcut in a controller, instead of the previous example: # # ApplicationController.render template: '...' # - # #render method allows you to use any options as when rendering in controller. + # #render allows you to use the same options that you can use when rendering in a controller. # For example, # # FooController.render :action, locals: { ... }, assigns: { ... } @@ -45,7 +45,7 @@ module ActionController }.freeze # Create a new renderer instance for a specific controller class. - def self.for(controller, env = {}, defaults = DEFAULTS) + def self.for(controller, env = {}, defaults = DEFAULTS.dup) new(controller, env, defaults) end diff --git a/actionpack/lib/action_controller/test_case.rb b/actionpack/lib/action_controller/test_case.rb index b43bb9dc17..b1b3e87934 100644 --- a/actionpack/lib/action_controller/test_case.rb +++ b/actionpack/lib/action_controller/test_case.rb @@ -12,6 +12,17 @@ module ActionController include Testing::Functional end + module Live + # Disable controller / rendering threads in tests. User tests can access + # the database on the main thread, so they could open a txn, then the + # controller thread will open a new connection and try to access data + # that's only visible to the main thread's txn. This is the problem in #23483 + remove_method :new_controller_thread + def new_controller_thread # :nodoc: + yield + end + end + # ActionController::TestCase will be deprecated and moved to a gem in Rails 5.1. # Please use ActionDispatch::IntegrationTest going forward. class TestRequest < ActionDispatch::TestRequest #:nodoc: @@ -41,7 +52,7 @@ module ActionController self.session = session self.session_options = TestSession::DEFAULT_OPTIONS @custom_param_parsers = { - Mime[:xml] => lambda { |raw_post| Hash.from_xml(raw_post)['hash'] } + xml: lambda { |raw_post| Hash.from_xml(raw_post)['hash'] } } end @@ -94,7 +105,7 @@ module ActionController when :url_encoded_form data = non_path_parameters.to_query else - @custom_param_parsers[content_mime_type] = ->(_) { non_path_parameters } + @custom_param_parsers[content_mime_type.symbol] = ->(_) { non_path_parameters } data = non_path_parameters.to_query end end @@ -417,7 +428,7 @@ module ActionController end alias xhr :xml_http_request - # Simulate a HTTP request to +action+ by specifying request method, + # Simulate an HTTP request to +action+ by specifying request method, # parameters and set/volley the response. # # - +action+: The controller action to call. @@ -516,32 +527,37 @@ module ActionController @request.set_header k, @controller.config.relative_url_root end - @controller.recycle! - @controller.dispatch(action, @request, @response) - @request = @controller.request - @response = @controller.response + begin + @controller.recycle! + @controller.dispatch(action, @request, @response) + ensure + @request = @controller.request + @response = @controller.response - @request.delete_header 'HTTP_COOKIE' + @request.delete_header 'HTTP_COOKIE' - if @request.have_cookie_jar? - unless @request.cookie_jar.committed? - @request.cookie_jar.write(@response) - self.cookies.update(@request.cookie_jar.instance_variable_get(:@cookies)) + if @request.have_cookie_jar? + unless @request.cookie_jar.committed? + @request.cookie_jar.write(@response) + self.cookies.update(@request.cookie_jar.instance_variable_get(:@cookies)) + end end - end - @response.prepare! + @response.prepare! - if flash_value = @request.flash.to_session_value - @request.session['flash'] = flash_value - else - @request.session.delete('flash') - end + if flash_value = @request.flash.to_session_value + @request.session['flash'] = flash_value + else + @request.session.delete('flash') + end - if xhr - @request.delete_header 'HTTP_X_REQUESTED_WITH' - @request.delete_header 'HTTP_ACCEPT' + if xhr + @request.delete_header 'HTTP_X_REQUESTED_WITH' + @request.delete_header 'HTTP_ACCEPT' + end + @request.query_string = '' + + @response.sent! end - @request.query_string = '' @response end |