discourse/app/jobs/scheduled/poll_mailbox.rb

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2.4 KiB
Ruby
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#
# 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
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class PollMailbox < Jobs::Scheduled
every SiteSetting.pop3s_polling_period_mins.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 => e
message_template = nil
case e
when Email::Receiver::UserNotSufficientTrustLevelError
message_template = :email_reject_trust_level
when Email::Receiver::UserNotFoundError
message_template = :email_reject_no_account
when Email::Receiver::EmptyEmailError
message_template = :email_reject_empty
when Email::Receiver::EmailUnparsableError
message_template = :email_reject_parsing
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when Email::Receiver::EmailLogNotFound
message_template = :email_reject_reply_key
when ActiveRecord::Rollback
message_template = :email_reject_post_error
else
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message_template = nil
end
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if message_template
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# inform the user about the rejection
message = Mail::Message.new(mail_string)
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client_message = RejectionMailer.send_rejection(message.from, message.body, message.to, message_template)
Email::Sender.new(client_message, message_template).send
else
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Discourse.handle_exception(e, { context: { code: "unknown error for incoming email", mail: mail_string} })
end
ensure
mail.delete
end
end
def poll_pop3s
if !SiteSetting.pop3s_polling_insecure
Net::POP3.enable_ssl(OpenSSL::SSL::VERIFY_NONE)
end
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
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pop.finish
end
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rescue Net::POPAuthenticationError => e
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Discourse.handle_exception(e, { context: { code: "signing in for incoming email" } })
end
end
end