discourse/lib/validators/pop3_polling_enabled_setting_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

47 lines
1.3 KiB
Ruby

# frozen_string_literal: true
require "net/pop"
class POP3PollingEnabledSettingValidator
def initialize(opts = {})
@opts = opts
end
def valid_value?(val)
# only validate when enabling polling
return true if val == "f"
# ensure we can authenticate
SiteSetting.pop3_polling_host.present? &&
SiteSetting.pop3_polling_username.present? &&
SiteSetting.pop3_polling_password.present? &&
authentication_works?
end
def error_message
if SiteSetting.pop3_polling_host.blank?
I18n.t("site_settings.errors.pop3_polling_host_is_empty")
elsif SiteSetting.pop3_polling_username.blank?
I18n.t("site_settings.errors.pop3_polling_username_is_empty")
elsif SiteSetting.pop3_polling_password.blank?
I18n.t("site_settings.errors.pop3_polling_password_is_empty")
elsif !authentication_works?
I18n.t("site_settings.errors.pop3_polling_authentication_failed")
end
end
private
def authentication_works?
@authentication_works ||= begin
pop3 = Net::POP3.new(SiteSetting.pop3_polling_host, SiteSetting.pop3_polling_port)
pop3.enable_ssl(OpenSSL::SSL::VERIFY_NONE) if SiteSetting.pop3_polling_ssl
pop3.auth_only(SiteSetting.pop3_polling_username, SiteSetting.pop3_polling_password)
rescue Net::POPAuthenticationError
false
else
true
end
end
end