Files
scripts/Perl OTRS/Kernel/cpan-lib/Sisimai/Bite/Email/Exchange2007.pm
2024-10-14 00:08:40 +02:00

217 lines
8.2 KiB
Perl

package Sisimai::Bite::Email::Exchange2007;
use parent 'Sisimai::Bite::Email';
use feature ':5.10';
use strict;
use warnings;
my $Indicators = __PACKAGE__->INDICATORS;
my $StartingOf = { 'rfc822' => ['Original message headers:'] };
my $MarkingsOf = {
'message' => qr/[ ]Microsoft[ ]Exchange[ ]Server[ ]20\d{2}/,
'error' => qr/[ ]((?:RESOLVER|QUEUE)[.][A-Za-z]+(?:[.]\w+)?);/,
'rhost' => qr/\AGenerating[ ]server:[ ]?(.*)/,
};
my $NDRSubject = {
'SMTPSEND.DNS.NonExistentDomain'=> 'hostunknown', # 554 5.4.4 SMTPSEND.DNS.NonExistentDomain
'SMTPSEND.DNS.MxLoopback' => 'networkerror', # 554 5.4.4 SMTPSEND.DNS.MxLoopback
'RESOLVER.ADR.BadPrimary' => 'systemerror', # 550 5.2.0 RESOLVER.ADR.BadPrimary
'RESOLVER.ADR.RecipNotFound' => 'userunknown', # 550 5.1.1 RESOLVER.ADR.RecipNotFound
'RESOLVER.ADR.ExRecipNotFound' => 'userunknown', # 550 5.1.1 RESOLVER.ADR.ExRecipNotFound
'RESOLVER.ADR.RecipLimit' => 'toomanyconn', # 550 5.5.3 RESOLVER.ADR.RecipLimit
'RESOLVER.ADR.InvalidInSmtp' => 'systemerror', # 550 5.1.0 RESOLVER.ADR.InvalidInSmtp
'RESOLVER.ADR.Ambiguous' => 'systemerror', # 550 5.1.4 RESOLVER.ADR.Ambiguous, 420 4.2.0 RESOLVER.ADR.Ambiguous
'RESOLVER.RST.AuthRequired' => 'filtered', # 550 5.7.1 RESOLVER.RST.AuthRequired
'RESOLVER.RST.NotAuthorized' => 'rejected', # 550 5.7.1 RESOLVER.RST.NotAuthorized
'RESOLVER.RST.RecipSizeLimit' => 'mesgtoobig', # 550 5.2.3 RESOLVER.RST.RecipSizeLimit
'QUEUE.Expired' => 'expired', # 550 4.4.7 QUEUE.Expired
};
# Content-Language: en-US
sub headerlist { return ['Content-Language'] };
sub description { 'Microsoft Exchange Server 2007' }
sub scan {
# Detect an error from Microsoft Exchange Server 2007
# @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 $mbody = shift // return undef;
return undef unless index($mhead->{'subject'},'Undeliverable:') == 0;
return undef unless defined $mhead->{'content-language'};
return undef unless $mhead->{'content-language'} =~ /\A[a-z]{2}(?:[-][A-Z]{2})?\z/;
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 $connvalues = 0; # (Integer) Flag, 1 if all the value of $connheader have been set
my $connheader = {
'rhost' => '', # The value of Reporting-MTA header or "Generating Server:"
};
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( $e =~ $MarkingsOf->{'message'} ) {
$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'};
if( $connvalues == scalar(keys %$connheader) ) {
# Diagnostic information for administrators:
#
# Generating server: mta2.neko.example.jp
#
# kijitora@example.jp
# #550 5.1.1 RESOLVER.ADR.RecipNotFound; not found ##
#
# Original message headers:
$v = $dscontents->[-1];
if( $e =~ /\A([^ @]+[@][^ @]+)\z/ ) {
# kijitora@example.jp
if( $v->{'recipient'} ) {
# There are multiple recipient addresses in the message body.
push @$dscontents, __PACKAGE__->DELIVERYSTATUS;
$v = $dscontents->[-1];
}
$v->{'recipient'} = $1;
$recipients++;
} elsif( $e =~ /\A[#]([45]\d{2})[ ]([45][.]\d[.]\d+)[ ].+\z/ ) {
# #550 5.1.1 RESOLVER.ADR.RecipNotFound; not found ##
# #550 5.2.3 RESOLVER.RST.RecipSizeLimit; message too large for this recipien=
# t ##
$v->{'replycode'} = int $1;
$v->{'status'} = $2;
$v->{'diagnosis'} = $e;
} else {
if( $v->{'diagnosis'} && substr($v->{'diagnosis'}, -1, 1) eq '=' ) {
# Continued line of error messages
substr($v->{'diagnosis'}, -1, 1, $e);
}
}
} else {
# Diagnostic information for administrators:
#
# Generating server: mta22.neko.example.org
if( $e =~ $MarkingsOf->{'rhost'} ) {
# Generating server: mta22.neko.example.org
next if $connheader->{'rhost'};
$connheader->{'rhost'} = $1;
$connvalues++;
}
}
} # End of if: rfc822
}
return undef unless $recipients;
for my $e ( @$dscontents ) {
if( $e->{'diagnosis'} =~ $MarkingsOf->{'error'} ) {
# #550 5.1.1 RESOLVER.ADR.RecipNotFound; not found ##
my $f = $1;
for my $r ( keys %$NDRSubject ) {
# Try to match with error subject strings
next unless $f eq $r;
$e->{'reason'} = $NDRSubject->{ $r };
last;
}
}
$e->{'diagnosis'} = Sisimai::String->sweep($e->{'diagnosis'});
$e->{'agent'} = __PACKAGE__->smtpagent;
}
$rfc822part = Sisimai::RFC5322->weedout($rfc822list);
return { 'ds' => $dscontents, 'rfc822' => $$rfc822part };
}
1;
__END__
=encoding utf-8
=head1 NAME
Sisimai::Bite::Email::Exchange2007 - bounce mail parser class for C<Microsft Exchange
Server 2007>.
=head1 SYNOPSIS
use Sisimai::Bite::Email::Exchange2007;
=head1 DESCRIPTION
Sisimai::Bite::Email::Exchange2007 parses a bounce email which created by C<Microsoft
Exchange Server 2007>.
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::Exchange2007->description;
=head2 C<B<smtpagent()>>
C<smtpagent()> returns MTA name.
print Sisimai::Bite::Email::Exchange2007->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) 2016-2018 azumakuniyuki, All rights reserved.
=head1 LICENSE
This software is distributed under The BSD 2-Clause License.
=cut