module Sisimai::Lhost::MFILTER
Sisimai::Lhost::mFILTER parses a bounce email which created by Digital Arts m-FILTER. Methods in the module are called from only Sisimai::Message
.
Constants
- Indicators
- MarkingsOf
- ReBackbone
- StartingOf
Public Class Methods
description()
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# File lib/sisimai/lhost/mfilter.rb, line 116 def description; return 'Digital Arts m-FILTER'; end
make(mhead, mbody)
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Parse bounce messages from Digital Arts m-FILTER @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/mfilter.rb, line 23 def make(mhead, mbody) # X-Mailer: m-FILTER return nil unless mhead['x-mailer'].to_s == 'm-FILTER' return nil unless mhead['subject'] == 'failure notice' 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 markingset = { 'diagnosis' => false, 'command' => false } 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 delivery status part readcursor |= Indicators[:deliverystatus] if e =~ MarkingsOf[:message] end next if (readcursor & Indicators[:deliverystatus]) == 0 next if e.empty? # このメールは「m-FILTER」が自動的に生成して送信しています。 # メールサーバーとの通信中、下記の理由により # このメールは送信できませんでした。 # # 以下のメールアドレスへの送信に失敗しました。 # kijitora@example.jp # # # -------server message # 550 5.1.1 unknown user <kijitora@example.jp> # # -------SMTP command # DATA # # -------original message v = dscontents[-1] if cv = e.match(/\A([^ ]+[@][^ ]+)\z/) # 以下のメールアドレスへの送信に失敗しました。 # 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'] = cv[1] recipients += 1 elsif e =~ /\A[A-Z]{4}/ # -------SMTP command # DATA next if v['command'] v['command'] = e if markingset['command'] else # Get error message and SMTP command if e == StartingOf[:error][0] # -------server message markingset['diagnosis'] = true elsif e == StartingOf[:command][0] # -------SMTP command markingset['command'] = true else # 550 5.1.1 unknown user <kijitora@example.jp> next if e.start_with?('-') next if v['diagnosis'] v['diagnosis'] = e end end end return nil unless recipients > 0 dscontents.each do |e| e['diagnosis'] = Sisimai::String.sweep(e['diagnosis']) e['agent'] = 'mFILTER' # Get localhost and remote host name from Received header. next if mhead['received'].empty? rheads = mhead['received'] rhosts = Sisimai::RFC5322.received(rheads[-1]) e['lhost'] ||= Sisimai::RFC5322.received(rheads[0]).shift while ee = rhosts.shift do # Avoid "... by m-FILTER" next unless ee.include?('.') e['rhost'] = ee end end return { 'ds' => dscontents, 'rfc822' => emailsteak[1] } end