diff options
Diffstat (limited to 'actionpack')
3 files changed, 64 insertions, 6 deletions
diff --git a/actionpack/lib/action_controller/metal/strong_parameters.rb b/actionpack/lib/action_controller/metal/strong_parameters.rb index da380dfbd8..b566dad9eb 100644 --- a/actionpack/lib/action_controller/metal/strong_parameters.rb +++ b/actionpack/lib/action_controller/metal/strong_parameters.rb @@ -20,6 +20,20 @@ module ActionController end end + # Raised when a supplied parameter is not expected. + # + # params = ActionController::Parameters.new(a: "123", b: "456") + # params.permit(:c) + # # => ActionController::UnexpectedParameter: found unexpected keys: a, b + class UnexpectedParameters < IndexError + attr_reader :params + + def initialize(params) + @params = params + super("found unexpected keys: #{params.join(", ")}") + end + end + # == Action Controller \Parameters # # Allows to choose which attributes should be whitelisted for mass updating @@ -66,6 +80,7 @@ module ActionController # params["key"] # => "value" class Parameters < ActiveSupport::HashWithIndifferentAccess cattr_accessor :permit_all_parameters, instance_accessor: false + cattr_accessor :raise_on_unexpected, instance_accessor: false # Returns a new instance of <tt>ActionController::Parameters</tt>. # Also, sets the +permitted+ attribute to the default value of @@ -223,6 +238,13 @@ module ActionController end end + if Parameters.raise_on_unexpected + unexpected_keys = self.keys - params.keys + if unexpected_keys.any? + raise ActionController::UnexpectedParameters.new(unexpected_keys) + end + end + params.permit! end diff --git a/actionpack/lib/action_controller/railtie.rb b/actionpack/lib/action_controller/railtie.rb index 3e44155f73..4007000608 100644 --- a/actionpack/lib/action_controller/railtie.rb +++ b/actionpack/lib/action_controller/railtie.rb @@ -21,21 +21,24 @@ module ActionController initializer "action_controller.parameters_config" do |app| ActionController::Parameters.permit_all_parameters = app.config.action_controller.delete(:permit_all_parameters) { false } + ActionController::Parameters.raise_on_unexpected = app.config.action_controller.raise_on_unexpected_params end initializer "action_controller.set_configs" do |app| paths = app.config.paths options = app.config.action_controller - options.logger ||= Rails.logger - options.cache_store ||= Rails.cache + options.logger ||= Rails.logger + options.cache_store ||= Rails.cache - options.javascripts_dir ||= paths["public/javascripts"].first - options.stylesheets_dir ||= paths["public/stylesheets"].first + options.javascripts_dir ||= paths["public/javascripts"].first + options.stylesheets_dir ||= paths["public/stylesheets"].first # Ensure readers methods get compiled - options.asset_host ||= app.config.asset_host - options.relative_url_root ||= app.config.relative_url_root + options.asset_host ||= app.config.asset_host + options.relative_url_root ||= app.config.relative_url_root + + options.raise_on_unexpected_params ||= (Rails.env.test? || Rails.env.development?) ActiveSupport.on_load(:action_controller) do include app.routes.mounted_helpers diff --git a/actionpack/test/controller/parameters/raise_on_unpermitted_params_test.rb b/actionpack/test/controller/parameters/raise_on_unpermitted_params_test.rb new file mode 100644 index 0000000000..51bbc9c1b1 --- /dev/null +++ b/actionpack/test/controller/parameters/raise_on_unpermitted_params_test.rb @@ -0,0 +1,33 @@ +require 'abstract_unit' +require 'action_controller/metal/strong_parameters' + +class RaiseOnUnpermittedParamsTest < ActiveSupport::TestCase + def setup + ActionController::Parameters.raise_on_unexpected = true + end + + def teardown + ActionController::Parameters.raise_on_unexpected = false + end + + test "raises on unexpected params" do + params = ActionController::Parameters.new({ + book: { pages: 65 }, + fishing: "Turnips" + }) + + assert_raises(ActionController::UnexpectedParameters) do + params.permit(book: [:pages]) + end + end + + test "raises on unexpected nested params" do + params = ActionController::Parameters.new({ + book: { pages: 65, title: "Green Cats and where to find then." } + }) + + assert_raises(ActionController::UnexpectedParameters) do + params.permit(book: [:pages]) + end + end +end
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