/usr/share/perl5/Mail/ListDetector/Detector/Mailman.pm is in libmail-listdetector-perl 1.03+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | package Mail::ListDetector::Detector::Mailman;
use strict;
use base qw(Mail::ListDetector::Detector::Base);
use Mail::ListDetector::List;
use Carp;
sub DEBUG { 0 }
sub match {
my $self = shift;
my $message = shift;
print "Got message $message\n" if DEBUG;
carp ("Mail::ListDetector::Detector::Mailman - no message supplied") unless defined($message);
use Email::Abstract;
my $version = Email::Abstract->get_header($message, 'X-Mailman-Version');
chomp $version if defined $version;
if ((!defined $version) or $version =~ /^\s*$/) {
print "Returning undef - couldn't find mailman version - $version\n" if DEBUG;
return undef;
}
print "Mailman version $version\n" if DEBUG
my $list;
$list = new Mail::ListDetector::List;
$list->listsoftware("GNU Mailman version $version");
my $sender = Email::Abstract->get_header($message, 'Sender');
print "Sender is $sender\n" if DEBUG && defined $sender;
# return undef unless defined $sender;
my $poss_posting_address;
if (defined $sender) {
chomp $sender;
if ($sender =~ /^(([^@]+)-(admin|owner|bounces)(?:\+[^@]+)?\@(\S+))$/) {
print "sender matches pattern\n" if DEBUG;
$list->listname($2);
print "Listname is $2\n" if DEBUG;
$poss_posting_address = $2 . '@' . $4;
print "Possible posting address is $poss_posting_address\n" if DEBUG;
} elsif ($sender =~ /^((admin|owner)-([^@]+)\@(\S+))$/) {
$list->listname($3);
$poss_posting_address = $3 . '@' . $4;
print "Listname is $3\n" if DEBUG;
print "Possible posting address is $poss_posting_address\n" if DEBUG;
}
} else {
# fallback way to guess posting address and list name.
my $beenthere = Email::Abstract->get_header($message, 'X-BeenThere');
return undef unless defined $beenthere;
print "X-BeenThere is $beenthere\n" if DEBUG;
$poss_posting_address = $beenthere;
chomp $poss_posting_address;
if ($beenthere =~ /^([^@]+)\@/) {
$list->listname($1);
}
}
my $posting_address;
my $list_post = Email::Abstract->get_header($message, 'List-Post');
if (defined $list_post) {
print "Got list post $list_post\n" if DEBUG;
if ($list_post =~ /^\<mailto\:([^\>]*)\>$/) {
$posting_address = $1;
print "Got posting address $posting_address\n" if DEBUG;
$list->posting_address($posting_address);
}
} else {
print "Got posting address $poss_posting_address\n" if DEBUG;
$list->posting_address($poss_posting_address);
}
print "Returning object $list\n" if DEBUG;
return $list;
}
1;
__END__
=pod
=head1 NAME
Mail::ListDetector::Detector::Mailman - Mailman message detector
=head1 SYNOPSIS
use Mail::ListDetector::Detector::Mailman;
=head1 DESCRIPTION
An implementation of a mailing list detector, for GNU Mailman.
=head1 METHODS
=head2 new()
Inherited from Mail::ListDetector::Detector::Base.
=head2 match()
Accepts a Mail::Internet object and returns either a
Mail::ListDetector::List object if it is a post to a Mailman
mailing list, or C<undef>.
=head1 BUGS
No known bugs.
=head1 AUTHOR
Michael Stevens - michael@etla.org.
=cut
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