Files
2024-10-14 00:08:40 +02:00

315 lines
12 KiB
Perl

package Sisimai::Bite::Email::Exchange2003;
use parent 'Sisimai::Bite::Email';
use feature ':5.10';
use strict;
use warnings;
my $Indicators = __PACKAGE__->INDICATORS;
my $StartingOf = {
'message' => ['Your message'],
'rfc822' => ['Content-Type: message/rfc822'],
'error' => ['did not reach the following recipient(s):'],
};
my $ErrorCodes = {
'onhold' => [
'000B099C', # Host Unknown, Message exceeds size limit, ...
'000B09AA', # Unable to relay for, Message exceeds size limit,...
'000B09B6', # Error messages by remote MTA
],
'userunknown' => [
'000C05A6', # Unknown Recipient,
],
'systemerror' => [
'00010256', # Too many recipients.
'000D06B5', # No proxy for recipient (non-smtp mail?)
],
'networkerror' => [
'00120270', # Too Many Hops
],
'contenterr' => [
'00050311', # Conversion to Internet format failed
'000502CC', # Conversion to Internet format failed
],
'securityerr' => [
'000B0981', # 502 Server does not support AUTH
],
'filtered' => [
'000C0595', # Ambiguous Recipient
],
};
# X-MS-TNEF-Correlator: <00000000000000000000000000000000000000@example.com>
# X-Mailer: Internet Mail Service (5.5.1960.3)
# X-MS-Embedded-Report:
sub headerlist { return ['X-MS-Embedded-Report', 'X-MimeOLE'] };
sub description { 'Microsoft Exchange Server 2003' }
sub scan {
# Detect an error from Microsoft Exchange Server 2003
# @param [Hash] mhead Message headers of a bounce email
# @options mhead [String] from From header
# @options mhead [String] date Date header
# @options mhead [String] subject Subject header
# @options mhead [Array] received Received headers
# @options mhead [String] others Other required headers
# @param [String] mbody Message body of a bounce email
# @return [Hash, Undef] Bounce data list and message/rfc822 part
# or Undef if it failed to parse or the
# arguments are missing
# @since v4.1.1
my $class = shift;
my $mhead = shift // return undef;
my $mbody = shift // return undef;
my $match = 0;
$match ||= 1 if defined $mhead->{'x-ms-embedded-report'};
EXCHANGE_OR_NOT: while(1) {
# Check the value of X-Mailer header
last if $match;
if( defined $mhead->{'x-mailer'} ) {
# X-Mailer: Microsoft Exchange Server Internet Mail Connector Version 4.0.994.63
# X-Mailer: Internet Mail Service (5.5.2232.9)
my $tryto = ['Internet Mail Service (', 'Microsoft Exchange Server Internet Mail Connector'];
my $value = $mhead->{'x-mailer'} || '';
$match ||= 1 if index($value, $tryto->[0]) == 0 || index($value, $tryto->[1]) == 0;
last if $match;
}
if( defined $mhead->{'x-mimeole'} ) {
# X-MimeOLE: Produced By Microsoft Exchange V6.5
$match ||= 1 if index($mhead->{'x-mimeole'}, 'Produced By Microsoft Exchange') == 0;
last if $match;
}
last unless scalar @{ $mhead->{'received'} };
for my $e ( @{ $mhead->{'received'} } ) {
# Received: by ***.**.** with Internet Mail Service (5.5.2657.72)
next unless rindex($e, ' with Internet Mail Service (') > -1;
$match = 1;
last(EXCHANGE_OR_NOT);
}
last;
}
return undef unless $match;
my $dscontents = [__PACKAGE__->DELIVERYSTATUS];
my @hasdivided = split("\n", $$mbody);
my $rfc822part = ''; # (String) message/rfc822-headers part
my $rfc822list = []; # (Array) Each line in message/rfc822 part string
my $blanklines = 0; # (Integer) The number of blank lines
my $readcursor = 0; # (Integer) Points the current cursor position
my $recipients = 0; # (Integer) The number of 'Final-Recipient' header
my $statuspart = 0; # (Integer) Flag, 1 = have got delivery status part.
my $connvalues = 0; # (Integer) Flag, 1 if all the value of $connheader have been set
my $connheader = {
'to' => '', # The value of "To"
'date' => '', # The value of "Date"
'subject' => '', # The value of "Subject"
};
my $v = undef;
for my $e ( @hasdivided ) {
# Read each line between the start of the message and the start of rfc822 part.
unless( $readcursor ) {
# Beginning of the bounce message or delivery status part
if( index($e, $StartingOf->{'message'}->[0]) == 0 ) {
$readcursor |= $Indicators->{'deliverystatus'};
next;
}
}
unless( $readcursor & $Indicators->{'message-rfc822'} ) {
# Beginning of the original message part
if( index($e, $StartingOf->{'rfc822'}->[0]) == 0 ) {
$readcursor |= $Indicators->{'message-rfc822'};
next;
}
}
if( $readcursor & $Indicators->{'message-rfc822'} ) {
# After "message/rfc822"
unless( length $e ) {
$blanklines++;
last if $blanklines > 1;
next;
}
push @$rfc822list, $e;
} else {
# Before "message/rfc822"
next unless $readcursor & $Indicators->{'deliverystatus'};
next if $statuspart;
if( $connvalues == scalar(keys %$connheader) ) {
# did not reach the following recipient(s):
#
# kijitora@example.co.jp on Thu, 29 Apr 2007 16:51:51 -0500
# The recipient name is not recognized
# The MTS-ID of the original message is: c=jp;a= ;p=neko
# ;l=EXCHANGE000000000000000000
# MSEXCH:IMS:KIJITORA CAT:EXAMPLE:EXCHANGE 0 (000C05A6) Unknown Recipient
# mikeneko@example.co.jp on Thu, 29 Apr 2007 16:51:51 -0500
# The recipient name is not recognized
# The MTS-ID of the original message is: c=jp;a= ;p=neko
# ;l=EXCHANGE000000000000000000
# MSEXCH:IMS:KIJITORA CAT:EXAMPLE:EXCHANGE 0 (000C05A6) Unknown Recipient
$v = $dscontents->[-1];
if( $e =~ /\A[ \t]*([^ ]+[@][^ ]+) on[ \t]*.*\z/ ||
$e =~ /\A[ \t]*.+(?:SMTP|smtp)=([^ ]+[@][^ ]+) on[ \t]*.*\z/ ) {
# kijitora@example.co.jp on Thu, 29 Apr 2007 16:51:51 -0500
# kijitora@example.com on 4/29/99 9:19:59 AM
if( $v->{'recipient'} ) {
# There are multiple recipient addresses in the message body.
push @$dscontents, __PACKAGE__->DELIVERYSTATUS;
$v = $dscontents->[-1];
}
$v->{'recipient'} = $1;
$v->{'msexch'} = 0;
$recipients++;
} elsif( $e =~ /\A[ \t]+(MSEXCH:.+)\z/ ) {
# MSEXCH:IMS:KIJITORA CAT:EXAMPLE:EXCHANGE 0 (000C05A6) Unknown Recipient
$v->{'diagnosis'} .= $1;
} else {
next if $v->{'msexch'};
if( index($v->{'diagnosis'}, 'MSEXCH:') == 0 ) {
# Continued from MEEXCH in the previous line
$v->{'msexch'} = 1;
$v->{'diagnosis'} .= ' '.$e;
$statuspart = 1;
} else {
# Error message in the body part
$v->{'alterrors'} .= ' '.$e;
}
}
} else {
# Your message
#
# To: shironeko@example.jp
# Subject: ...
# Sent: Thu, 29 Apr 2010 18:14:35 +0000
#
if( $e =~ /\A[ \t]+To:[ \t]+(.+)\z/ ) {
# To: shironeko@example.jp
next if $connheader->{'to'};
$connheader->{'to'} = $1;
$connvalues++;
} elsif( $e =~ /\A[ \t]+Subject:[ \t]+(.+)\z/ ) {
# Subject: ...
next if length $connheader->{'subject'};
$connheader->{'subject'} = $1;
$connvalues++;
} elsif( $e =~ m|\A[ \t]+Sent:[ \t]+([A-Z][a-z]{2},.+[-+]\d{4})\z| ||
$e =~ m|\A[ \t]+Sent:[ \t]+(\d+[/]\d+[/]\d+[ \t]+\d+:\d+:\d+[ \t].+)|) {
# Sent: Thu, 29 Apr 2010 18:14:35 +0000
# Sent: 4/29/99 9:19:59 AM
next if $connheader->{'date'};
$connheader->{'date'} = $1;
$connvalues++;
}
}
} # End of if: rfc822
}
return undef unless $recipients;
for my $e ( @$dscontents ) {
$e->{'diagnosis'} = Sisimai::String->sweep($e->{'diagnosis'});
if( $e->{'diagnosis'} =~ /\AMSEXCH:.+[ \t]*[(]([0-9A-F]{8})[)][ \t]*(.*)\z/ ) {
# MSEXCH:IMS:KIJITORA CAT:EXAMPLE:EXCHANGE 0 (000C05A6) Unknown Recipient
my $capturedcode = $1;
my $errormessage = $2;
my $pseudostatus = '';
for my $r ( keys %$ErrorCodes ) {
# Find captured code from the error code table
next unless grep { $capturedcode eq $_ } @{ $ErrorCodes->{ $r } };
$e->{'reason'} = $r;
$pseudostatus = Sisimai::SMTP::Status->code($r);
$e->{'status'} = $pseudostatus if $pseudostatus;
last;
}
$e->{'diagnosis'} = $errormessage;
}
unless( $e->{'reason'} ) {
# Could not detect the reason from the value of "diagnosis".
if( exists $e->{'alterrors'} && $e->{'alterrors'} ) {
# Copy alternative error message
$e->{'diagnosis'} = $e->{'alterrors'}.' '.$e->{'diagnosis'};
$e->{'diagnosis'} = Sisimai::String->sweep($e->{'diagnosis'});
delete $e->{'alterrors'};
}
}
$e->{'agent'} = __PACKAGE__->smtpagent;
delete $e->{'msexch'};
}
unless( @$rfc822list ) {
# When original message does not included in the bounce message
push @$rfc822list, 'From: '.$connheader->{'to'};
push @$rfc822list, 'Date: '.$connheader->{'date'};
push @$rfc822list, 'Subject: '.$connheader->{'subject'};
}
$rfc822part = Sisimai::RFC5322->weedout($rfc822list);
return { 'ds' => $dscontents, 'rfc822' => $$rfc822part };
}
1;
__END__
=encoding utf-8
=head1 NAME
Sisimai::Bite::Email::Exchange2003 - bounce mail parser class for C<Microsft Exchange
Server 2003>.
=head1 SYNOPSIS
use Sisimai::Bite::Email::Exchange2003;
=head1 DESCRIPTION
Sisimai::Bite::Email::Exchange parses a bounce email which created by
C<Microsoft Exchange Server 2003>.
Methods in the module are called from only Sisimai::Message.
=head1 CLASS METHODS
=head2 C<B<description()>>
C<description()> returns description string of this module.
print Sisimai::Bite::Email::Exchange2003->description;
=head2 C<B<smtpagent()>>
C<smtpagent()> returns MTA name.
print Sisimai::Bite::Email::Exchange2003->smtpagent;
=head2 C<B<scan(I<header data>, I<reference to body string>)>>
C<scan()> method parses a bounced email and return results as a array reference.
See Sisimai::Message for more details.
=head1 AUTHOR
azumakuniyuki
=head1 COPYRIGHT
Copyright (C) 2014-2018 azumakuniyuki, All rights reserved.
=head1 LICENSE
This software is distributed under The BSD 2-Clause License.
=cut