40 lines
1.2 KiB
Ruby
40 lines
1.2 KiB
Ruby
# Copyright (C) 2012-2022 Zammad Foundation, https://zammad-foundation.org/
|
|
|
|
# Validation for email addresses
|
|
|
|
class EmailAddressValidation
|
|
|
|
attr_reader :email_address
|
|
|
|
# @param [String] email_address Email address to be validated
|
|
def initialize(email_address)
|
|
@email_address = email_address
|
|
end
|
|
|
|
def to_s
|
|
email_address
|
|
end
|
|
|
|
# Checks if the email address has a valid format.
|
|
# Reports email addresses without dot in domain as valid (zammad@localhost).
|
|
#
|
|
# @return [true] if email address has valid format
|
|
# @return [false] if email address has no valid format
|
|
def valid_format?
|
|
# NOTE: Don't use ValidEmail2::Address.valid? here because it requires the
|
|
# email address to have a dot in its domain.
|
|
@valid_format ||= email_address.match?(URI::MailTo::EMAIL_REGEXP)
|
|
end
|
|
|
|
# Checks if the domain of the email address has a valid MX record.
|
|
#
|
|
# @return [true] if email address domain has an MX record
|
|
# @return [false] if email address domain has no MX record
|
|
def valid_mx?
|
|
return @valid_mx if @valid_mx
|
|
|
|
validated_email_address = ValidEmail2::Address.new(email_address)
|
|
@valid_mx = validated_email_address&.valid_mx?
|
|
end
|
|
|
|
end
|