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[#817] Add email whitelist

This adds the ability to filter user signup with a whitelist
instead of or in addition to a blacklist.

Fixes #817
This commit is contained in:
Pete Keen 2017-04-04 11:04:44 -04:00
parent 5f54981846
commit e9a6da6bc7
4 changed files with 55 additions and 2 deletions

View file

@ -2,17 +2,30 @@
class EmailValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
return if Rails.configuration.x.email_domains_blacklist.empty?
record.errors.add(attribute, I18n.t('users.invalid_email')) if blocked_email?(value)
end
private
def blocked_email?(value)
on_blacklist?(value) || not_on_whitelist?(value)
end
def on_blacklist?(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