discourse/app/jobs/scheduled/poll_mailbox.rb

62 lines
2.0 KiB
Ruby

#
# Connects to a mailbox and checks for replies
#
require 'net/pop'
require_dependency 'email/receiver'
require_dependency 'email/sender'
require_dependency 'email/message_builder'
module Jobs
class PollMailbox < Jobs::Scheduled
every 5.minutes
sidekiq_options retry: false
include Email::BuildEmailHelper
def execute(args)
if SiteSetting.pop3s_polling_enabled?
poll_pop3s
end
end
def handle_mail(mail)
begin
mail_string = mail.pop
Email::Receiver.new(mail_string).process
rescue Email::Receiver::UserNotSufficientTrustLevelError
# inform the user about the rejection
message = Mail::Message.new(mail_string)
client_message = RejectionMailer.send_trust_level(message.from, message.body)
Email::Sender.new(client_message, :email_reject_trust_level).send
rescue Email::Receiver::ProcessingError
# all other ProcessingErrors are ok to be dropped
rescue StandardError => e
# inform admins about the error
data = { limit_once_per: false, message_params: { source: mail, error: e }}
GroupMessage.create(Group[:admins].name, :email_error_notification, data)
ensure
mail.delete
end
end
def poll_pop3s
Net::POP3.enable_ssl(OpenSSL::SSL::VERIFY_NONE)
Net::POP3.start(SiteSetting.pop3s_polling_host,
SiteSetting.pop3s_polling_port,
SiteSetting.pop3s_polling_username,
SiteSetting.pop3s_polling_password) do |pop|
unless pop.mails.empty?
pop.each do |mail|
handle_mail(mail)
end
end
pop.finish
end
rescue Net::POPAuthenticationError => e
# inform admins about the error (1 message per hour to prevent too much SPAM)
data = { limit_once_per: 1.hour, message_params: { error: e }}
GroupMessage.create(Group[:admins].name, :email_error_notification, data)
end
end
end