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# 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
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