require 'net/pop' require_dependency 'email/receiver' require_dependency 'email/processor' require_dependency 'email/sender' require_dependency 'email/message_builder' module Jobs class PollMailbox < Jobs::Scheduled every SiteSetting.pop3_polling_period_mins.minutes sidekiq_options retry: false include Email::BuildEmailHelper def execute(args) @args = args poll_pop3 if should_poll? end def should_poll? return false if Rails.env.development? && ENV["POLL_MAILBOX"].nil? SiteSetting.pop3_polling_enabled? end def process_popmail(popmail) Email::Processor.process!(popmail.pop) end POLL_MAILBOX_TIMEOUT_ERROR_KEY = "poll_mailbox_timeout_error_key".freeze def poll_pop3 pop3 = Net::POP3.new(SiteSetting.pop3_polling_host, SiteSetting.pop3_polling_port) pop3.enable_ssl if SiteSetting.pop3_polling_ssl pop3.start(SiteSetting.pop3_polling_username, SiteSetting.pop3_polling_password) do |pop| pop.delete_all do |p| process_popmail(p) end end rescue Net::OpenTimeout => e count = $redis.incr(POLL_MAILBOX_TIMEOUT_ERROR_KEY).to_i $redis.expire( POLL_MAILBOX_TIMEOUT_ERROR_KEY, SiteSetting.pop3_polling_period_mins.minutes * 3 ) if count == 1 if count > 3 $redis.del(POLL_MAILBOX_TIMEOUT_ERROR_KEY) mark_as_errored! add_admin_dashboard_problem_message('dashboard.poll_pop3_timeout') Discourse.handle_job_exception(e, error_context(@args, "Connecting to '#{SiteSetting.pop3_polling_host}' for polling emails.")) end rescue Net::POPAuthenticationError => e mark_as_errored! add_admin_dashboard_problem_message('dashboard.poll_pop3_auth_error') Discourse.handle_job_exception(e, error_context(@args, "Signing in to poll incoming emails.")) end POLL_MAILBOX_ERRORS_KEY ||= "poll_mailbox_errors".freeze def self.errors_in_past_24_hours $redis.zremrangebyscore(POLL_MAILBOX_ERRORS_KEY, 0, 24.hours.ago.to_i) $redis.zcard(POLL_MAILBOX_ERRORS_KEY).to_i end def mark_as_errored! now = Time.now.to_i $redis.zadd(POLL_MAILBOX_ERRORS_KEY, now, now.to_s) end def add_admin_dashboard_problem_message(i18n_key) AdminDashboardData.add_problem_message( i18n_key, SiteSetting.pop3_polling_period_mins.minutes + 5.minutes ) end end end