/usr/share/perl5/Mail/ListDetector/Detector/Listserv.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 | package Mail::ListDetector::Detector::Listserv;
use strict;
use vars qw($VERSION);
$VERSION = '0.01';
use base qw(Mail::ListDetector::Detector::Base);
use Mail::ListDetector::List;
sub DEBUG { 0 }
sub match {
my $self = shift;
my $message = shift;
print "Got message $message\n" if DEBUG;
carp ("Mail::ListDetector::Detector::Listserv - no message supplied") unless defined($message);
use Email::Abstract;
my ($posting_address, $list_name, $list_software);
my @received = Email::Abstract->get_header($message, 'Received');
foreach my $received (@received) {
# $received =~ s/\n/ /;
if($received =~ m/\(LISTSERV-TCP\/IP\s+release\s+([^\s]+)\)/s) {
$list_software = "LISTSERV-TCP/IP release $1";
my $sender = Email::Abstract->get_header($message, 'Sender');
if($sender =~ m/^(.*) <(.+)>$/) {
$list_name = $1;
$posting_address = $2;
}
last;
}
}
unless (defined $list_software) { return undef; }
my $list = new Mail::ListDetector::List;
if(defined $list_name) {
$list->listname($list_name);
} else {
$list->listname($posting_address);
}
$list->listsoftware($list_software);
$list->posting_address($posting_address);
return $list;
}
1;
__END__
=pod
=head1 NAME
Mail::ListDetector::Detector::Listserv - Listserv message detector
=head1 SYNOPSIS
use Mail::ListDetector::Detector::Listserv;
=head1 DESCRIPTION
An implementation of a mailing list detector, for LISTSERV(R) mailing lists,
LISTSERV(R) is commercial email list management software, see
<http://www.lsoft.com/> for details.
There is very little to go on to detect a LISTSERV(R) message, this detector
needs to be called close to last.
=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 Listserv
mailing list, or C<undef>.
=head1 BUGS
No known bugs.
=head1 NOTES
=head1 AUTHOR
Matthew Walker - matthew@walker.wattle.id.au,
Michael Stevens - michael@etla.org,
Peter Oliver - p.d.oliver@mavit.freeserve.co.uk.
Tatsuhiko Miyagawa E<lt>miyagawa@bulknews.netE<gt>
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=cut
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