diff options
Diffstat (limited to 'actionpack/lib')
9 files changed, 192 insertions, 78 deletions
diff --git a/actionpack/lib/action_controller/metal/renderers.rb b/actionpack/lib/action_controller/metal/renderers.rb index 22e0bb5955..90fb34e386 100644 --- a/actionpack/lib/action_controller/metal/renderers.rb +++ b/actionpack/lib/action_controller/metal/renderers.rb @@ -11,6 +11,7 @@ module ActionController Renderers.remove(key) end + # See <tt>Responder#api_behavior</tt> class MissingRenderer < LoadError def initialize(format) super "No renderer defined for format: #{format}" @@ -20,40 +21,25 @@ module ActionController module Renderers extend ActiveSupport::Concern + # A Set containing renderer names that correspond to available renderer procs. + # Default values are <tt>:json</tt>, <tt>:js</tt>, <tt>:xml</tt>. + RENDERERS = Set.new + included do class_attribute :_renderers self._renderers = Set.new.freeze end - module ClassMethods - def use_renderers(*args) - renderers = _renderers + args - self._renderers = renderers.freeze - end - alias use_renderer use_renderers - end - - def render_to_body(options) - _render_to_body_with_renderer(options) || super - end + # Used in <tt>ActionController::Base</tt> + # and <tt>ActionController::API</tt> to include all + # renderers by default. + module All + extend ActiveSupport::Concern + include Renderers - def _render_to_body_with_renderer(options) - _renderers.each do |name| - if options.key?(name) - _process_options(options) - method_name = Renderers._render_with_renderer_method_name(name) - return send(method_name, options.delete(name), options) - end + included do + self._renderers = RENDERERS end - nil - end - - # A Set containing renderer names that correspond to available renderer procs. - # Default values are <tt>:json</tt>, <tt>:js</tt>, <tt>:xml</tt>. - RENDERERS = Set.new - - def self._render_with_renderer_method_name(key) - "_render_with_renderer_#{key}" end # Adds a new renderer to call within controller actions. @@ -103,13 +89,70 @@ module ActionController remove_method(method_name) if method_defined?(method_name) end - module All - extend ActiveSupport::Concern - include Renderers + def self._render_with_renderer_method_name(key) + "_render_with_renderer_#{key}" + end - included do - self._renderers = RENDERERS + module ClassMethods + + # Adds, by name, a renderer or renderers to the +_renderers+ available + # to call within controller actions. + # + # It is useful when rendering from an <tt>ActionController::Metal</tt> controller or + # otherwise to add an available renderer proc to a specific controller. + # + # 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>. + # + # Since <tt>ActionController::Metal</tt> controllers cannot render, the controller + # must include <tt>AbstractController::Rendering</tt>, <tt>ActionController::Rendering</tt>, + # and <tt>ActionController::Renderers</tt>, and have at lest one renderer. + # + # Rather than including <tt>ActionController::Renderers::All</tt> and including all renderers, + # you may specify which renderers to include by passing the renderer name or names to + # +use_renderers+. For example, a controller that includes only the <tt>:json</tt> renderer + # (+_render_with_renderer_json+) might look like: + # + # class MetalRenderingController < ActionController::Metal + # include AbstractController::Rendering + # include ActionController::Rendering + # include ActionController::Renderers + # + # use_renderers :json + # + # def show + # render json: record + # end + # end + # + # You must specify a +use_renderer+, else the +controller.renderer+ and + # +controller._renderers+ will be <tt>nil</tt>, and the action will fail. + def use_renderers(*args) + renderers = _renderers + args + self._renderers = renderers.freeze end + alias use_renderer use_renderers + end + + # Called by +render+ in <tt>AbstractController::Rendering</tt> + # which sets the return value as the +response_body+. + # + # If no renderer is found, +super+ returns control to + # <tt>ActionView::Rendering.render_to_body</tt>, if present. + def render_to_body(options) + _render_to_body_with_renderer(options) || super + end + + def _render_to_body_with_renderer(options) + _renderers.each do |name| + if options.key?(name) + _process_options(options) + method_name = Renderers._render_with_renderer_method_name(name) + return send(method_name, options.delete(name), options) + end + end + nil end add :json do |json, options| diff --git a/actionpack/lib/action_controller/metal/request_forgery_protection.rb b/actionpack/lib/action_controller/metal/request_forgery_protection.rb index 26c4550f89..91b3403ad5 100644 --- a/actionpack/lib/action_controller/metal/request_forgery_protection.rb +++ b/actionpack/lib/action_controller/metal/request_forgery_protection.rb @@ -81,6 +81,10 @@ module ActionController #:nodoc: config_accessor :forgery_protection_origin_check self.forgery_protection_origin_check = false + # Controls whether form-action/method specific CSRF tokens are used. + config_accessor :per_form_csrf_tokens + self.per_form_csrf_tokens = false + helper_method :form_authenticity_token helper_method :protect_against_forgery? end @@ -277,16 +281,25 @@ module ActionController #:nodoc: end # Sets the token value for the current session. - def form_authenticity_token - masked_authenticity_token(session) + def form_authenticity_token(form_options: {}) + masked_authenticity_token(session, form_options: form_options) end # Creates a masked version of the authenticity token that varies # on each request. The masking is used to mitigate SSL attacks # like BREACH. - def masked_authenticity_token(session) + def masked_authenticity_token(session, form_options: {}) + action, method = form_options.values_at(:action, :method) + + raw_token = if per_form_csrf_tokens && action && method + action_path = normalize_action_path(action) + per_form_csrf_token(session, action_path, method) + else + real_csrf_token(session) + end + one_time_pad = SecureRandom.random_bytes(AUTHENTICITY_TOKEN_LENGTH) - encrypted_csrf_token = xor_byte_strings(one_time_pad, real_csrf_token(session)) + encrypted_csrf_token = xor_byte_strings(one_time_pad, raw_token) masked_token = one_time_pad + encrypted_csrf_token Base64.strict_encode64(masked_token) end @@ -316,28 +329,54 @@ module ActionController #:nodoc: compare_with_real_token masked_token, session elsif masked_token.length == AUTHENTICITY_TOKEN_LENGTH * 2 - # Split the token into the one-time pad and the encrypted - # value and decrypt it - one_time_pad = masked_token[0...AUTHENTICITY_TOKEN_LENGTH] - encrypted_csrf_token = masked_token[AUTHENTICITY_TOKEN_LENGTH..-1] - csrf_token = xor_byte_strings(one_time_pad, encrypted_csrf_token) - - compare_with_real_token csrf_token, session + csrf_token = unmask_token(masked_token) + compare_with_real_token(csrf_token, session) || + valid_per_form_csrf_token?(csrf_token, session) else false # Token is malformed end end + def unmask_token(masked_token) + # Split the token into the one-time pad and the encrypted + # value and decrypt it + one_time_pad = masked_token[0...AUTHENTICITY_TOKEN_LENGTH] + encrypted_csrf_token = masked_token[AUTHENTICITY_TOKEN_LENGTH..-1] + xor_byte_strings(one_time_pad, encrypted_csrf_token) + end + def compare_with_real_token(token, session) ActiveSupport::SecurityUtils.secure_compare(token, real_csrf_token(session)) end + def valid_per_form_csrf_token?(token, session) + if per_form_csrf_tokens + correct_token = per_form_csrf_token( + session, + normalize_action_path(request.fullpath), + request.request_method + ) + + ActiveSupport::SecurityUtils.secure_compare(token, correct_token) + else + false + end + end + def real_csrf_token(session) session[:_csrf_token] ||= SecureRandom.base64(AUTHENTICITY_TOKEN_LENGTH) Base64.strict_decode64(session[:_csrf_token]) end + def per_form_csrf_token(session, action_path, method) + OpenSSL::HMAC.digest( + OpenSSL::Digest::SHA256.new, + real_csrf_token(session), + [action_path, method.downcase].join("#") + ) + end + def xor_byte_strings(s1, s2) s1.bytes.zip(s2.bytes).map { |(c1,c2)| c1 ^ c2 }.pack('c*') end @@ -362,5 +401,9 @@ module ActionController #:nodoc: true end end + + def normalize_action_path(action_path) + action_path.split('?').first.to_s.chomp('/') + end end end diff --git a/actionpack/lib/action_controller/metal/strong_parameters.rb b/actionpack/lib/action_controller/metal/strong_parameters.rb index 4cd67a85cc..5cbf4157a4 100644 --- a/actionpack/lib/action_controller/metal/strong_parameters.rb +++ b/actionpack/lib/action_controller/metal/strong_parameters.rb @@ -109,7 +109,8 @@ module ActionController cattr_accessor :permit_all_parameters, instance_accessor: false cattr_accessor :action_on_unpermitted_parameters, instance_accessor: false - delegate :keys, :key?, :has_key?, :empty?, :include?, :inspect, to: :@parameters + delegate :keys, :key?, :has_key?, :empty?, :include?, :inspect, + :as_json, to: :@parameters # By default, never raise an UnpermittedParameters exception if these # params are present. The default includes both 'controller' and 'action' @@ -419,7 +420,7 @@ module ActionController # params.fetch(:none) # => ActionController::ParameterMissing: param is missing or the value is empty: none # params.fetch(:none, 'Francesco') # => "Francesco" # params.fetch(:none) { 'Francesco' } # => "Francesco" - def fetch(key, *args, &block) + def fetch(key, *args) convert_value_to_parameters( @parameters.fetch(key) { if block_given? @@ -514,7 +515,7 @@ module ActionController # to key. If the key is not found, returns the default value. If the # optional code block is given and the key is not found, pass in the key # and return the result of block. - def delete(key, &block) + def delete(key) convert_value_to_parameters(@parameters.delete(key)) end diff --git a/actionpack/lib/action_dispatch/http/cache.rb b/actionpack/lib/action_dispatch/http/cache.rb index 30ade14c26..842dfa5827 100644 --- a/actionpack/lib/action_dispatch/http/cache.rb +++ b/actionpack/lib/action_dispatch/http/cache.rb @@ -91,7 +91,7 @@ module ActionDispatch DATE = 'Date'.freeze LAST_MODIFIED = "Last-Modified".freeze - SPECIAL_KEYS = Set.new(%w[extras no-cache max-age public must-revalidate]) + SPECIAL_KEYS = Set.new(%w[extras no-cache max-age public private must-revalidate]) def cache_control_segments if cache_control = _cache_control diff --git a/actionpack/lib/action_dispatch/http/response.rb b/actionpack/lib/action_dispatch/http/response.rb index 9b11111a67..b426d272f2 100644 --- a/actionpack/lib/action_dispatch/http/response.rb +++ b/actionpack/lib/action_dispatch/http/response.rb @@ -412,6 +412,13 @@ module ActionDispatch # :nodoc: end def before_sending + # Normally we've already committed by now, but it's possible + # (e.g., if the controller action tries to read back its own + # response) to get here before that. In that case, we must force + # an "early" commit: we're about to freeze the headers, so this is + # our last chance. + commit! unless committed? + headers.freeze request.commit_cookie_jar! unless committed? end diff --git a/actionpack/lib/action_dispatch/journey/path/pattern.rb b/actionpack/lib/action_dispatch/journey/path/pattern.rb index 5ee8810066..018b89a2b7 100644 --- a/actionpack/lib/action_dispatch/journey/path/pattern.rb +++ b/actionpack/lib/action_dispatch/journey/path/pattern.rb @@ -124,7 +124,7 @@ module ActionDispatch end def captures - (length - 1).times.map { |i| self[i + 1] } + Array.new(length - 1) { |i| self[i + 1] } end def [](x) diff --git a/actionpack/lib/action_dispatch/routing/inspector.rb b/actionpack/lib/action_dispatch/routing/inspector.rb index f3a5268d2e..69e6dd5215 100644 --- a/actionpack/lib/action_dispatch/routing/inspector.rb +++ b/actionpack/lib/action_dispatch/routing/inspector.rb @@ -65,7 +65,7 @@ module ActionDispatch routes = collect_routes(routes_to_display) if routes.none? - formatter.no_routes + formatter.no_routes(collect_routes(@routes), filter) return formatter.result end @@ -84,7 +84,8 @@ module ActionDispatch def filter_routes(filter) if filter - @routes.select { |route| route.defaults[:controller] == filter } + filter_name = filter.underscore.sub(/_controller$/, '') + @routes.select { |route| route.defaults[:controller] == filter_name } else @routes end @@ -136,17 +137,27 @@ module ActionDispatch @buffer << draw_header(routes) end - def no_routes - @buffer << <<-MESSAGE.strip_heredoc + def no_routes(routes, filter) + @buffer << + if routes.none? + <<-MESSAGE.strip_heredoc You don't have any routes defined! Please add some routes in config/routes.rb. - - For more information about routes, see the Rails guide: http://guides.rubyonrails.org/routing.html. MESSAGE + elsif missing_controller?(filter) + "The controller #{filter} does not exist!" + else + "No routes were found for this controller" + end + @buffer << "For more information about routes, see the Rails guide: http://guides.rubyonrails.org/routing.html." end private + def missing_controller?(controller_name) + [ controller_name.camelize, "#{controller_name.camelize}Controller" ].none?(&:safe_constantize) + end + def draw_section(routes) header_lengths = ['Prefix', 'Verb', 'URI Pattern'].map(&:length) name_width, verb_width, path_width = widths(routes).zip(header_lengths).map(&:max) @@ -187,7 +198,7 @@ module ActionDispatch def header(routes) end - def no_routes + def no_routes(*) @buffer << <<-MESSAGE.strip_heredoc <p>You don't have any routes defined!</p> <ul> diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb index 18cd205bad..522012063d 100644 --- a/actionpack/lib/action_dispatch/routing/mapper.rb +++ b/actionpack/lib/action_dispatch/routing/mapper.rb @@ -387,24 +387,6 @@ module ActionDispatch end module Base - # You can specify what Rails should route "/" to with the root method: - # - # root to: 'pages#main' - # - # For options, see +match+, as +root+ uses it internally. - # - # You can also pass a string which will expand - # - # root 'pages#main' - # - # You should put the root route at the top of <tt>config/routes.rb</tt>, - # because this means it will be matched first. As this is the most popular route - # of most Rails applications, this is beneficial. - def root(options = {}) - name = has_named_route?(:root) ? nil : :root - match '/', { as: name, via: :get }.merge!(options) - end - # Matches a url pattern to one or more routes. # # You should not use the +match+ method in your router @@ -1689,7 +1671,20 @@ to this: @set.add_route(mapping, ast, as, anchor) end - def root(path, options={}) + # You can specify what Rails should route "/" to with the root method: + # + # root to: 'pages#main' + # + # For options, see +match+, as +root+ uses it internally. + # + # You can also pass a string which will expand + # + # root 'pages#main' + # + # You should put the root route at the top of <tt>config/routes.rb</tt>, + # because this means it will be matched first. As this is the most popular route + # of most Rails applications, this is beneficial. + def root(path, options = {}) if path.is_a?(String) options[:to] = path elsif path.is_a?(Hash) and options.empty? @@ -1701,11 +1696,11 @@ to this: if @scope.resources? with_scope_level(:root) do path_scope(parent_resource.path) do - super(options) + match_root_route(options) end end else - super(options) + match_root_route(options) end end @@ -1900,6 +1895,11 @@ to this: ensure @scope = @scope.parent end + + def match_root_route(options) + name = has_named_route?(:root) ? nil : :root + match '/', { :as => name, :via => :get }.merge!(options) + end end # Routing Concerns allow you to declare common routes that can be reused diff --git a/actionpack/lib/action_dispatch/routing/route_set.rb b/actionpack/lib/action_dispatch/routing/route_set.rb index 2bd2e53252..846b5fa1fc 100644 --- a/actionpack/lib/action_dispatch/routing/route_set.rb +++ b/actionpack/lib/action_dispatch/routing/route_set.rb @@ -281,8 +281,17 @@ module ActionDispatch helper = UrlHelper.create(route, opts, route_key, url_strategy) mod.module_eval do define_method(name) do |*args| - options = nil - options = args.pop if args.last.is_a? Hash + last = args.last + options = case last + when Hash + args.pop + when ActionController::Parameters + if last.permitted? + args.pop.to_h + else + raise ArgumentError, "Generating an URL from non sanitized request parameters is insecure!" + end + end helper.call self, args, options end end |