diff options
Diffstat (limited to 'actionpack/lib/action_controller/metal/strong_parameters.rb')
| -rw-r--r-- | actionpack/lib/action_controller/metal/strong_parameters.rb | 76 |
1 files changed, 48 insertions, 28 deletions
diff --git a/actionpack/lib/action_controller/metal/strong_parameters.rb b/actionpack/lib/action_controller/metal/strong_parameters.rb index 5a06bf86e3..a37f08d944 100644 --- a/actionpack/lib/action_controller/metal/strong_parameters.rb +++ b/actionpack/lib/action_controller/metal/strong_parameters.rb @@ -58,7 +58,7 @@ module ActionController # == Action Controller \Parameters # - # Allows you to choose which attributes should be whitelisted for mass updating + # Allows you to choose which attributes should be permitted 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 @@ -133,6 +133,15 @@ module ActionController # Returns a hash that can be used as the JSON representation for the parameters. ## + # :method: each_key + # + # :call-seq: + # each_key() + # + # Calls block once for each key in the parameters, passing the key. + # If no block is given, an enumerator is returned instead. + + ## # :method: empty? # # :call-seq: @@ -204,7 +213,7 @@ module ActionController # # Returns a new array of the values of the parameters. delegate :keys, :key?, :has_key?, :values, :has_value?, :value?, :empty?, :include?, - :as_json, :to_s, to: :@parameters + :as_json, :to_s, :each_key, to: :@parameters # By default, never raise an UnpermittedParameters exception if these # params are present. The default includes both 'controller' and 'action' @@ -505,7 +514,7 @@ module ActionController # # Note that if you use +permit+ in a key that points to a hash, # it won't allow all the hash. You also need to specify which - # attributes inside the hash should be whitelisted. + # attributes inside the hash should be permitted. # # params = ActionController::Parameters.new({ # person: { @@ -560,12 +569,14 @@ module ActionController # Returns a parameter for the given +key+. If the +key+ # can't be found, there are several options: With no other arguments, # it will raise an <tt>ActionController::ParameterMissing</tt> error; - # if more arguments are given, then that will be returned; if a block + # if a second argument is given, then that is returned (converted to an + # instance of ActionController::Parameters if possible); if a block # is given, then that will be run and its result returned. # # params = ActionController::Parameters.new(person: { name: "Francesco" }) # params.fetch(:person) # => <ActionController::Parameters {"name"=>"Francesco"} permitted: false> # params.fetch(:none) # => ActionController::ParameterMissing: param is missing or the value is empty: none + # params.fetch(:none, {}) # => <ActionController::Parameters {} permitted: false> # params.fetch(:none, "Francesco") # => "Francesco" # params.fetch(:none) { "Francesco" } # => "Francesco" def fetch(key, *args) @@ -637,20 +648,18 @@ module ActionController # params = ActionController::Parameters.new(a: 1, b: 2, c: 3) # params.transform_values { |x| x * 2 } # # => <ActionController::Parameters {"a"=>2, "b"=>4, "c"=>6} permitted: false> - def transform_values(&block) - if block - new_instance_with_inherited_permitted_status( - @parameters.transform_values(&block) - ) - else - @parameters.transform_values - end + def transform_values + return to_enum(:transform_values) unless block_given? + new_instance_with_inherited_permitted_status( + @parameters.transform_values { |v| yield convert_value_to_parameters(v) } + ) end # Performs values transformation and returns the altered # <tt>ActionController::Parameters</tt> instance. - def transform_values!(&block) - @parameters.transform_values!(&block) + def transform_values! + return to_enum(:transform_values!) unless block_given? + @parameters.transform_values! { |v| yield convert_value_to_parameters(v) } self end @@ -793,9 +802,7 @@ module ActionController protected attr_reader :parameters - def permitted=(new_permitted) - @permitted = new_permitted - end + attr_writer :permitted def fields_for_style? @parameters.all? { |k, v| k =~ /\A-?\d+\z/ && (v.is_a?(Hash) || v.is_a?(Parameters)) } @@ -906,15 +913,28 @@ module ActionController PERMITTED_SCALAR_TYPES.any? { |type| value.is_a?(type) } end - def permitted_scalar_filter(params, key) - if has_key?(key) && permitted_scalar?(self[key]) - params[key] = self[key] + # Adds existing keys to the params if their values are scalar. + # + # For example: + # + # puts self.keys #=> ["zipcode(90210i)"] + # params = {} + # + # permitted_scalar_filter(params, "zipcode") + # + # puts params.keys # => ["zipcode"] + def permitted_scalar_filter(params, permitted_key) + permitted_key = permitted_key.to_s + + if has_key?(permitted_key) && permitted_scalar?(self[permitted_key]) + params[permitted_key] = self[permitted_key] end - keys.grep(/\A#{Regexp.escape(key)}\(\d+[if]?\)\z/) do |k| - if permitted_scalar?(self[k]) - params[k] = self[k] - end + each_key do |key| + next unless key =~ /\(\d+[if]?\)\z/ + next unless $~.pre_match == permitted_key + + params[key] = self[key] if permitted_scalar?(self[key]) end end @@ -999,8 +1019,8 @@ module ActionController # # It provides an interface for protecting attributes from end-user # assignment. This makes Action Controller parameters forbidden - # to be used in Active Model mass assignment until they have been - # whitelisted. + # to be used in Active Model mass assignment until they have been explicitly + # enumerated. # # In addition, parameters can be marked as required and flow through a # predefined raise/rescue flow to end up as a <tt>400 Bad Request</tt> with no @@ -1036,7 +1056,7 @@ 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. You might want + # will need to specify which nested attributes should be permitted. You might want # to allow +:id+ and +:_destroy+, see ActiveRecord::NestedAttributes for more information. # # class Person @@ -1054,7 +1074,7 @@ module ActionController # private # # def person_params - # # It's mandatory to specify the nested attributes that should be whitelisted. + # # It's mandatory to specify the nested attributes that should be permitted. # # 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: [ :id, :name, :category ]) |