diff options
Diffstat (limited to 'actionpack/lib/action_controller/metal/strong_parameters.rb')
| -rw-r--r-- | actionpack/lib/action_controller/metal/strong_parameters.rb | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/actionpack/lib/action_controller/metal/strong_parameters.rb b/actionpack/lib/action_controller/metal/strong_parameters.rb index 44703221f3..fcc76f6225 100644 --- a/actionpack/lib/action_controller/metal/strong_parameters.rb +++ b/actionpack/lib/action_controller/metal/strong_parameters.rb @@ -201,6 +201,7 @@ module ActionController # You may declare that the parameter should be an array of permitted scalars # by mapping it to an empty array: # + # params = ActionController::Parameters.new(tags: ['rails', 'parameters']) # params.permit(tags: []) # # You can also use +permit+ on nested parameters, like: @@ -283,7 +284,14 @@ module ActionController # params.fetch(:none, 'Francesco') # => "Francesco" # params.fetch(:none) { 'Francesco' } # => "Francesco" def fetch(key, *args) - convert_hashes_to_parameters(key, super) + value = super + # Don't rely on +convert_hashes_to_parameters+ + # so as to not mutate via a +fetch+ + if value.is_a?(Hash) + value = self.class.new(value) + value.permit! if permitted? + end + value rescue KeyError raise ActionController::ParameterMissing.new(key) end @@ -297,7 +305,7 @@ module ActionController # params.slice(:d) # => {} def slice(*keys) self.class.new(super).tap do |new_instance| - new_instance.instance_variable_set :@permitted, @permitted + new_instance.permitted = @permitted end end @@ -311,10 +319,15 @@ module ActionController # copy_params.permitted? # => true def dup super.tap do |duplicate| - duplicate.instance_variable_set :@permitted, @permitted + duplicate.permitted = @permitted end end + protected + def permitted=(new_permitted) + @permitted = new_permitted + end + private def convert_hashes_to_parameters(key, value) if value.is_a?(Parameters) || !value.is_a?(Hash) @@ -328,7 +341,7 @@ module ActionController def each_element(object) if object.is_a?(Array) object.map { |el| yield el }.compact - elsif object.is_a?(Hash) && object.keys.all? { |k| k =~ /\A-?\d+\z/ } + elsif fields_for_style?(object) hash = object.class.new object.each { |k,v| hash[k] = yield v } hash @@ -337,6 +350,10 @@ module ActionController end end + def fields_for_style?(object) + object.is_a?(Hash) && object.all? { |k, v| k =~ /\A-?\d+\z/ && v.is_a?(Hash) } + end + def unpermitted_parameters!(params) unpermitted_keys = unpermitted_keys(params) if unpermitted_keys.any? @@ -415,7 +432,7 @@ module ActionController # Slicing filters out non-declared keys. slice(*filter.keys).each do |key, value| - return unless value + next unless value if filter[key] == EMPTY_ARRAY # Declaration { comment_ids: [] }. |