115 lines
3.3 KiB
Ruby
115 lines
3.3 KiB
Ruby
# frozen_string_literal: true
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require "net/pop"
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module Jobs
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class PollMailbox < ::Jobs::Scheduled
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every SiteSetting.pop3_polling_period_mins.minutes
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sidekiq_options retry: false
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include Email::BuildEmailHelper
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def execute(args)
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@args = args
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poll_pop3 if should_poll?
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DiscoursePluginRegistry.mail_pollers.each do |poller|
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return if !poller.enabled?
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poller.poll_mailbox(method(:process_popmail))
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end
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end
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def should_poll?
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return false if Rails.env.development? && ENV["POLL_MAILBOX"].nil?
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SiteSetting.pop3_polling_enabled?
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end
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def process_popmail(mail_string)
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Email::Processor.process!(mail_string, source: :pop3_poll)
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end
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POLL_MAILBOX_TIMEOUT_ERROR_KEY = "poll_mailbox_timeout_error_key"
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def poll_pop3
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pop3 = Net::POP3.new(SiteSetting.pop3_polling_host, SiteSetting.pop3_polling_port)
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if SiteSetting.pop3_polling_ssl
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if SiteSetting.pop3_polling_openssl_verify
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pop3.enable_ssl(max_version: OpenSSL::SSL::TLS1_2_VERSION)
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else
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pop3.enable_ssl(OpenSSL::SSL::VERIFY_NONE)
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end
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end
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pop3.start(SiteSetting.pop3_polling_username, SiteSetting.pop3_polling_password) do |pop|
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pop.each_mail do |p|
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mail_string = p.pop
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next if mail_too_old?(mail_string)
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process_popmail(mail_string)
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p.delete if SiteSetting.pop3_polling_delete_from_server?
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rescue => e
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Discourse.handle_job_exception(
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e,
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error_context(@args, "Failed to process incoming email."),
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)
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end
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end
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rescue Net::OpenTimeout => e
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count = Discourse.redis.incr(POLL_MAILBOX_TIMEOUT_ERROR_KEY).to_i
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if count == 1
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Discourse.redis.expire(
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POLL_MAILBOX_TIMEOUT_ERROR_KEY,
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SiteSetting.pop3_polling_period_mins.minutes * 3,
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)
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end
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if count > 3
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Discourse.redis.del(POLL_MAILBOX_TIMEOUT_ERROR_KEY)
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mark_as_errored!
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add_admin_dashboard_problem_message("dashboard.poll_pop3_timeout")
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Discourse.handle_job_exception(
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e,
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error_context(
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@args,
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"Connecting to '#{SiteSetting.pop3_polling_host}' for polling emails.",
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),
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)
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end
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rescue Net::POPAuthenticationError => e
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mark_as_errored!
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add_admin_dashboard_problem_message("dashboard.poll_pop3_auth_error")
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Discourse.handle_job_exception(e, error_context(@args, "Signing in to poll incoming emails."))
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end
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POLL_MAILBOX_ERRORS_KEY = "poll_mailbox_errors"
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def self.errors_in_past_24_hours
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Discourse.redis.zremrangebyscore(POLL_MAILBOX_ERRORS_KEY, 0, 24.hours.ago.to_i)
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Discourse.redis.zcard(POLL_MAILBOX_ERRORS_KEY).to_i
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end
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def mail_too_old?(mail_string)
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mail = Mail.new(mail_string)
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date_header = mail.header["Date"]
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return false if date_header.blank?
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date = Time.parse(date_header.to_s)
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date < 1.week.ago
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end
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def mark_as_errored!
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now = Time.now.to_i
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Discourse.redis.zadd(POLL_MAILBOX_ERRORS_KEY, now, now.to_s)
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end
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def add_admin_dashboard_problem_message(i18n_key)
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AdminDashboardData.add_problem_message(
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i18n_key,
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SiteSetting.pop3_polling_period_mins.minutes + 5.minutes,
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)
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end
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end
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end
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