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# Copyright (c) 2020 Contrast Security, Inc. See https://www.contrastsecurity.com/enduser-terms-0317a for more details.
# frozen_string_literal: true
module Contrast
module Utils
# Stores key and value of a environmnt variable and can normalize the
# path for comparison to common config
class EnvConfigurationItem
START_UNDERSCORE = /^(_+)/.cs__freeze
END_UNDERSCORE = /(_+)$/.cs__freeze
REPEATING_UNDERSCORE = /_{3,}/.cs__freeze
attr_reader :value, :dot_path_array
def initialize key, value
key = EnvConfigurationItem.resolve_corrected_path(key)
@dot_path_array = key.downcase.split(Contrast::Utils::ObjectShare::DOUBLE_UNDERSCORE)
@value = value
correct_dot_path
end
def correct_dot_path
return unless @dot_path_array
# we need to shift by one to access the appropriate level of the config
@dot_path_array.shift
# and then we need to fix any rules
idx = @dot_path_array.find_index('rules')
return unless idx
next_idx = idx + 1
return if next_idx == @dot_path_array.length
@dot_path_array[next_idx] = @dot_path_array[next_idx].to_s.tr('_', '-')
end
def self.resolve_corrected_path path
tmp_path = path.dup
start_match = START_UNDERSCORE.match(tmp_path)
tmp_path = tmp_path[start_match.offset(0).last..-1] if start_match
tmp_path.gsub!(REPEATING_UNDERSCORE, '__')
end_match = END_UNDERSCORE.match(tmp_path)
tmp_path = tmp_path[0...end_match.offset(0).first] if end_match
tmp_path
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems