Module: Mihari::Mixins::DisallowedDataValue

Includes:
Memist::Memoizable
Included in:
Analyzers::Rule, Schemas::RuleContract
Defined in:
lib/mihari/mixins/disallowed_data_value.rb

Instance Method Summary collapse

Instance Method Details

#normalize_disallowed_data_value(value) ⇒ String, Regexp

Normalize a value as a disallowed data value

Parameters:

  • value (String) —

    Data value

Returns:

  • (String, Regexp) —

    Normalized value



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# File 'lib/mihari/mixins/disallowed_data_value.rb', line 15

def normalize_disallowed_data_value(value)
  return value if !value.start_with?("/") || !value.end_with?("/")

  # if a value is surrounded by slashes, take it as a regexp
  value_without_slashes = value[1..-2]
  Regexp.compile value_without_slashes.to_s
end

#valid_disallowed_data_value?(value) ⇒ Boolean

Check whetehr a value is valid format as a disallowed data value

Parameters:

  • value (String) —

    Data value

Returns:

  • (Boolean) —

    true if it is valid, otherwise false



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# File 'lib/mihari/mixins/disallowed_data_value.rb', line 31

def valid_disallowed_data_value?(value)
  begin
    normalize_disallowed_data_value value
  rescue RegexpError
    return false
  end
  true
end