module Sisimai::Lhost::AmazonWorkMail
Sisimai::Lhost::AmazonWorkMail
parses a bounce email which created by Amazon WorkMail. Methods in the module are called from only Sisimai::Message
.
Constants
- Indicators
- ReBackbone
- StartingOf
Public Class Methods
description()
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# File lib/sisimai/lhost/amazonworkmail.rb, line 127 def description; return 'Amazon WorkMail: https://aws.amazon.com/workmail/'; end
make(mhead, mbody)
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Parse bounce messages from Amazon WorkMail @param [Hash] mhead Message
headers of a bounce email @param [String] mbody Message
body of a bounce email @return [Hash] Bounce data list and message/rfc822 part @return [Nil] it failed to parse or the arguments are missing
# File lib/sisimai/lhost/amazonworkmail.rb, line 19 def make(mhead, mbody) # X-Mailer: Amazon WorkMail # X-Original-Mailer: Amazon WorkMail # X-Ses-Outgoing: 2016.01.14-54.240.27.159 match = 0 xmail = mhead['x-original-mailer'] || mhead['x-mailer'] || '' match += 1 if mhead['x-ses-outgoing'] unless xmail.empty? # X-Mailer: Amazon WorkMail # X-Original-Mailer: Amazon WorkMail match += 1 if xmail == 'Amazon WorkMail' end return nil if match < 2 require 'sisimai/rfc1894' fieldtable = Sisimai::RFC1894.FIELDTABLE permessage = {} # (Hash) Store values of each Per-Message field dscontents = [Sisimai::Lhost.DELIVERYSTATUS] emailsteak = Sisimai::RFC5322.fillet(mbody, ReBackbone) bodyslices = emailsteak[0].split("\n") readcursor = 0 # (Integer) Points the current cursor position recipients = 0 # (Integer) The number of 'Final-Recipient' header v = nil 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 message/delivery-status part readcursor |= Indicators[:deliverystatus] if e == StartingOf[:message][0] next end next if (readcursor & Indicators[:deliverystatus]) == 0 next if e.empty? if f = Sisimai::RFC1894.match(e) # "e" matched with any field defined in RFC3464 o = Sisimai::RFC1894.field(e) || next v = dscontents[-1] if o[-1] == 'addr' # Final-Recipient: rfc822; kijitora@example.jp # X-Actual-Recipient: rfc822; kijitora@example.co.jp if o[0] == 'final-recipient' # Final-Recipient: rfc822; kijitora@example.jp if v['recipient'] # There are multiple recipient addresses in the message body. dscontents << Sisimai::Lhost.DELIVERYSTATUS v = dscontents[-1] end v['recipient'] = o[2] recipients += 1 else # X-Actual-Recipient: rfc822; kijitora@example.co.jp v['alias'] = o[2] end elsif o[-1] == 'code' # Diagnostic-Code: SMTP; 550 5.1.1 <userunknown@example.jp>... User Unknown v['spec'] = o[1] v['diagnosis'] = o[2] else # Other DSN fields defined in RFC3464 next unless fieldtable[o[0]] v[fieldtable[o[0]]] = o[2] next unless f == 1 permessage[fieldtable[o[0]]] = o[2] end end # <!DOCTYPE HTML><html> # <head> # <meta name="Generator" content="Amazon WorkMail v3.0-2023.77"> # <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> break if e.start_with?('<!DOCTYPE HTML><html>') end return nil unless recipients > 0 dscontents.each do |e| # Set default values if each value is empty. e['lhost'] ||= permessage['rhost'] permessage.each_key { |a| e[a] ||= permessage[a] || '' } e['diagnosis'] = Sisimai::String.sweep(e['diagnosis']) if e['status'].to_s.start_with?('5.0.0', '5.1.0', '4.0.0', '4.1.0') # Get other D.S.N. value from the error message errormessage = e['diagnosis'] if cv = e['diagnosis'].match(/["'](\d[.]\d[.]\d.+)['"]/) # 5.1.0 - Unknown address error 550-'5.7.1 ... errormessage = cv[1] end e['status'] = Sisimai::SMTP::Status.find(errormessage) || e['status'] end if cv = e['diagnosis'].match(/[<]([245]\d\d)[ ].+[>]/) # 554 4.4.7 Message expired: unable to deliver in 840 minutes. # <421 4.4.2 Connection timed out> e['replycode'] = cv[1] end e['reason'] ||= Sisimai::SMTP::Status.name(e['status']) || '' end return { 'ds' => dscontents, 'rfc822' => emailsteak[1] } end