52 lines
1.5 KiB
Ruby
52 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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module ActionController
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# Specify binary encoding for parameters for a given action.
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module ParameterEncoding
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extend ActiveSupport::Concern
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module ClassMethods
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def inherited(klass) # :nodoc:
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super
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klass.setup_param_encode
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end
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def setup_param_encode # :nodoc:
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@_parameter_encodings = {}
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end
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def binary_params_for?(action) # :nodoc:
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@_parameter_encodings[action.to_s]
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end
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# Specify that a given action's parameters should all be encoded as
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# ASCII-8BIT (it "skips" the encoding default of UTF-8).
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#
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# For example, a controller would use it like this:
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#
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# class RepositoryController < ActionController::Base
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# skip_parameter_encoding :show
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#
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# def show
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# @repo = Repository.find_by_filesystem_path params[:file_path]
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#
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# # `repo_name` is guaranteed to be UTF-8, but was ASCII-8BIT, so
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# # tag it as such
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# @repo_name = params[:repo_name].force_encoding 'UTF-8'
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# end
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#
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# def index
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# @repositories = Repository.all
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# end
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# end
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#
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# The show action in the above controller would have all parameter values
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# encoded as ASCII-8BIT. This is useful in the case where an application
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# must handle data but encoding of the data is unknown, like file system data.
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def skip_parameter_encoding(action)
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@_parameter_encodings[action.to_s] = true
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end
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end
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end
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end
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