Module: Sisimai::Lhost::Activehunter

Defined in:
lib/sisimai/lhost/activehunter.rb

Overview

Sisimai::Lhost::Activehunter decodes a bounce email which created by QUALITIA Active!hunter www.qualitia.com/jp/product/ah/function.html. Methods in the module are called from only Sisimai::Message.

Constant Summary collapse

Indicators = 
Sisimai::Lhost.INDICATORS
Boundaries = 
['Content-Type: message/rfc822'].freeze
StartingOf = 
{message: ['  ----- The following addresses had permanent fatal errors -----']}.freeze

Class Method Summary collapse

Class Method Details

.description ⇒ Object 



68
 
# File 'lib/sisimai/lhost/activehunter.rb', line 68

def description; return 'TransWARE Active!hunter'; end

.inquire(mhead, mbody) ⇒ Hash, Nil

This method is abstract.

decodes the bounce message from QUALITIA Active!hunter

Parameters:

  • mhead (Hash) —

    Message headers of a bounce email

  • mbody (String) —

    Message body of a bounce email

Returns:

  • (Hash) —

    Bounce data list and message/rfc822 part

  • (Nil) —

    it failed to decode or the arguments are missing



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# File 'lib/sisimai/lhost/activehunter.rb', line 18

def inquire(mhead, mbody)
  # :from    => %r/\A"MAILER-DAEMON"/,
  # :subject => %r/FAILURE NOTICE :/,
  return nil if mhead['x-ahmailid'].nil?

  dscontents = [Sisimai::Lhost.DELIVERYSTATUS]; v = nil
  emailparts = Sisimai::RFC5322.part(mbody, Boundaries)
  bodyslices = emailparts[0].split("\n")
  readcursor = 0      # (Integer) Points the current cursor position
  recipients = 0      # (Integer) The number of 'Final-Recipient' header

  while e = bodyslices.shift do
    # Read error messages and delivery status lines from the head of the email to the previous
    # line of the beginning of the original message.
    if readcursor == 0
      # Beginning of the bounce message or delivery status part
      readcursor |= Indicators[:deliverystatus] if e == StartingOf[:message][0]
      next
    end
    next if (readcursor & Indicators[:deliverystatus]) == 0 || e.empty?

    #  ----- The following addresses had permanent fatal errors -----
    #
    # >>> kijitora@example.org <kijitora@example.org>
    #
    #  ----- Transcript of session follows -----
    # 550 sorry, no mailbox here by that name (#5.1.1 - chkusr)
    v = dscontents[-1]

    if e.start_with?('>>> ') && e.index('@') > 1
      # >>> kijitora@example.org <kijitora@example.org>
      if v["recipient"] != ""
        # There are multiple recipient addresses in the message body.
        dscontents << Sisimai::Lhost.DELIVERYSTATUS
        v = dscontents[-1]
      end
      v['recipient'] = Sisimai::Address.s3s4(e[e.index('<'), e.size])
      v['diagnosis'] = ''
      recipients += 1
    else
      #  ----- Transcript of session follows -----
      # 550 sorry, no mailbox here by that name (#5.1.1 - chkusr)
      next if e[0, 1].ord <  48 || e[0, 1].ord > 122
      next if v['diagnosis'].empty? == false
      v['diagnosis'] = e
    end
  end
  return nil if recipients == 0
  return {"ds" => dscontents, "rfc822" => emailparts[1]}
end