55 lines
1.5 KiB
Ruby
55 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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# This ports ActionDispatch::Http::ContentDisposition (https://github.com/rails/rails/pull/33829,
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# which will be available in Rails 6.
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module Gitlab
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class ContentDisposition # :nodoc:
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# Make sure we remove this patch starting with Rails 6.0.
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if Rails.version.start_with?('6.0')
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raise <<~MSG
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Please remove this file and use `ActionDispatch::Http::ContentDisposition` instead.
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MSG
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end
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def self.format(disposition:, filename:)
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new(disposition: disposition, filename: filename).to_s
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end
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attr_reader :disposition, :filename
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def initialize(disposition:, filename:)
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@disposition = disposition
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@filename = filename
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end
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# rubocop:disable Style/VariableInterpolation
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TRADITIONAL_ESCAPED_CHAR = /[^ A-Za-z0-9!#$+.^_`|~-]/.freeze
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def ascii_filename
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'filename="' + percent_escape(::I18n.transliterate(filename), TRADITIONAL_ESCAPED_CHAR) + '"'
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end
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RFC_5987_ESCAPED_CHAR = /[^A-Za-z0-9!#$&+.^_`|~-]/.freeze
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# rubocop:enable Style/VariableInterpolation
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def utf8_filename
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"filename*=UTF-8''" + percent_escape(filename, RFC_5987_ESCAPED_CHAR)
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end
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def to_s
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if filename
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"#{disposition}; #{ascii_filename}; #{utf8_filename}"
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else
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"#{disposition}"
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end
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end
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private
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def percent_escape(string, pattern)
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string.gsub(pattern) do |char|
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char.bytes.map { |byte| "%%%02X" % byte }.join
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end
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end
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end
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end
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