blacklisted_email_validator.rb (884B)
- # frozen_string_literal: true
- class BlacklistedEmailValidator < ActiveModel::Validator
- def validate(user)
- user.errors.add(:email, I18n.t('users.invalid_email')) if blocked_email?(user.email)
- end
- private
- def blocked_email?(value)
- on_blacklist?(value) || not_on_whitelist?(value)
- end
- def on_blacklist?(value)
- return true if EmailDomainBlock.block?(value)
- return false if Rails.configuration.x.email_domains_blacklist.blank?
- domains = Rails.configuration.x.email_domains_blacklist.gsub('.', '\.')
- regexp = Regexp.new("@(.+\\.)?(#{domains})", true)
- value =~ regexp
- end
- def not_on_whitelist?(value)
- return false if Rails.configuration.x.email_domains_whitelist.blank?
- domains = Rails.configuration.x.email_domains_whitelist.gsub('.', '\.')
- regexp = Regexp.new("@(.+\\.)?(#{domains})$", true)
- value !~ regexp
- end
- end