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YuruToot/app/lib/email_validator.rb
Pete Keen e9a6da6bc7 [#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
2017-04-04 11:20:15 -04:00

32 lines
851 B
Ruby

# frozen_string_literal: true
class EmailValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
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