Method: Chamber::File#decrypt

Defined in:
lib/chamber/file.rb

#decrypt ⇒ Object

rubocop:disable Metrics/AbcSize



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# File 'lib/chamber/file.rb', line 111

def decrypt
  decrypted_settings = to_settings.decrypted.to_flattened_name_hash
  secure_settings    = to_settings.encrypted.to_flattened_name_hash
  file_contents      = read

  decrypted_settings.each_pair do |name_pieces, decrypted_value|
    encrypted_value = secure_settings[name_pieces]

    next unless encrypted_value.is_a?(String)

    escaped_name      = Regexp.escape(name_pieces.last)
    escaped_value     = Regexp.escape(encrypted_value)
    line_pattern      = /^(\s*)#{escaped_name}(\s*):(\s*)#{escaped_value}$/
    indentation_level = file_contents
                          .match(line_pattern)
                          &.[](1)
                          &.<<('  ')

    if decrypted_value.include?("\n")
      decrypted_value = decrypted_value
                          .chomp
                          .gsub(/\n/, "\n#{indentation_level}")
                          .prepend("|\n#{indentation_level}")
    end

    file_contents
      .sub!(
        line_pattern,
        "\\1#{name_pieces.last}\\2:\\3#{decrypted_value}",
      )
  end

  write(file_contents)
end