demarches-normaliennes/app/validators/expression_reguliere_validator.rb

13 lines
477 B
Ruby

class ExpressionReguliereValidator < ActiveModel::Validator
TIMEOUT = 1.second.freeze
def validate(record)
if record.value.present?
if !record.value.match?(Regexp.new(record.expression_reguliere, timeout: TIMEOUT))
record.errors.add(:value, :invalid_regexp, expression_reguliere_error_message: record.expression_reguliere_error_message)
end
end
rescue Regexp::TimeoutError
record.errors.add(:expression_reguliere, :evil_regexp)
end
end