90 lines
3.7 KiB
Ruby
90 lines
3.7 KiB
Ruby
require 'net/pop'
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require_dependency 'email/receiver'
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require_dependency 'email/sender'
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require_dependency 'email/message_builder'
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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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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(popmail)
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begin
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mail_string = popmail.pop
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Email::Receiver.new(mail_string).process
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rescue => e
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handle_failure(mail_string, e)
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end
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end
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def handle_failure(mail_string, e)
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Rails.logger.warn("Email can not be processed: #{e}\n\n#{mail_string}") if SiteSetting.log_mail_processing_failures
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message_template = case e
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when Email::Receiver::EmptyEmailError then :email_reject_empty
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when Email::Receiver::NoBodyDetectedError then :email_reject_empty
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when Email::Receiver::NoMessageIdError then :email_reject_no_message_id
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when Email::Receiver::AutoGeneratedEmailError then :email_reject_auto_generated
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when Email::Receiver::InactiveUserError then :email_reject_inactive_user
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when Email::Receiver::BadDestinationAddress then :email_reject_bad_destination_address
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when Email::Receiver::StrangersNotAllowedError then :email_reject_strangers_not_allowed
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when Email::Receiver::InsufficientTrustLevelError then :email_reject_insufficient_trust_level
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when Email::Receiver::ReplyUserNotMatchingError then :email_reject_reply_user_not_matching
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when Email::Receiver::TopicNotFoundError then :email_reject_topic_not_found
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when Email::Receiver::TopicClosedError then :email_reject_topic_closed
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when Email::Receiver::InvalidPost then :email_reject_invalid_post
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when ActiveRecord::Rollback then :email_reject_invalid_post
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when Email::Receiver::InvalidPostAction then :email_reject_invalid_post_action
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when Discourse::InvalidAccess then :email_reject_invalid_access
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end
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template_args = {}
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# there might be more information available in the exception
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if message_template == :email_reject_invalid_post && e.message.size > 6
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message_template = :email_reject_invalid_post_specified
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template_args[:post_error] = e.message
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end
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if message_template
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# inform the user about the rejection
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message = Mail::Message.new(mail_string)
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template_args[:former_title] = message.subject
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template_args[:destination] = message.to
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template_args[:site_name] = SiteSetting.title
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client_message = RejectionMailer.send_rejection(message_template, message.from, template_args)
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Email::Sender.new(client_message, message_template).send
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else
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Discourse.handle_job_exception(e, error_context(@args, "Unrecognized error type when processing incoming email", mail: mail_string))
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end
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end
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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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pop3.enable_ssl if SiteSetting.pop3_polling_ssl
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pop3.start(SiteSetting.pop3_polling_username, SiteSetting.pop3_polling_password) do |pop|
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pop.delete_all do |p|
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process_popmail(p)
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end
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end
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rescue Net::POPAuthenticationError => e
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Discourse.handle_job_exception(e, error_context(@args, "Signing in to poll incoming email"))
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end
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end
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end
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