discourse/lib/validators/email_validator.rb
Sam Saffron 30990006a9 DEV: enable frozen string literal on all files
This reduces chances of errors where consumers of strings mutate inputs
and reduces memory usage of the app.

Test suite passes now, but there may be some stuff left, so we will run
a few sites on a branch prior to merging
2019-05-13 09:31:32 +08:00

40 lines
1.3 KiB
Ruby

# frozen_string_literal: true
class EmailValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
unless EmailValidator.allowed?(value)
record.errors.add(attribute, I18n.t(:'user.email.not_allowed'))
end
if record.errors[attribute].blank? && value && ScreenedEmail.should_block?(value)
record.errors.add(attribute, I18n.t(:'user.email.blocked'))
end
end
def self.allowed?(email)
if (setting = SiteSetting.email_domains_whitelist).present?
return email_in_restriction_setting?(setting, email) || is_developer?(email)
elsif (setting = SiteSetting.email_domains_blacklist).present?
return !(email_in_restriction_setting?(setting, email) && !is_developer?(email))
end
true
end
def self.email_in_restriction_setting?(setting, value)
domains = setting.gsub('.', '\.')
regexp = Regexp.new("@(.+\\.)?(#{domains})$", true)
value =~ regexp
end
def self.is_developer?(value)
Rails.configuration.respond_to?(:developer_emails) && Rails.configuration.developer_emails.include?(value)
end
def self.email_regex
/\A[a-zA-Z0-9!#\$%&'*+\/=?\^_`{|}~\-]+(?:\.[a-zA-Z0-9!#\$%&'\*+\/=?\^_`{|}~\-]+)*@(?:[a-zA-Z0-9](?:[a-zA-Z0-9\-]*[a-zA-Z0-9])?\.)+[a-zA-Z0-9](?:[a-zA-Z0-9\-]*[a-zA-Z0-9])?$\z/
end
end