internetee-registry/lib/email_address_converter.rb
2021-10-07 16:13:48 +05:00

33 lines
738 B
Ruby

module EmailAddressConverter
module_function
def punycode_to_unicode(email)
return email if domain(email) == 'not_found'
local = local(email)
domain = SimpleIDN.to_unicode(domain(email))
"#{local}@#{domain}"&.downcase
end
def unicode_to_punycode(email)
return email if domain(email) == 'not_found'
local = local(email)
domain = SimpleIDN.to_ascii(domain(email))
"#{local}@#{domain}"&.downcase
end
private
def domain(email)
Mail::Address.new(email).domain&.downcase || 'not_found'
rescue Mail::Field::IncompleteParseError
'not_found'
end
def local(email)
Mail::Address.new(email).local&.downcase || email
rescue Mail::Field::IncompleteParseError
email
end
end