shell bypass 403
package Mail::DKIM::Canonicalization::dk_nofws;
use strict;
use warnings;
our $VERSION = '1.20200907'; # VERSION
# ABSTRACT: nofws canonicalization
# Copyright 2005-2006 Messiah College. All rights reserved.
# Jason Long <jlong@messiah.edu>
# This program is free software; you can redistribute it and/or
# modify it under the same terms as Perl itself.
use base 'Mail::DKIM::Canonicalization::dk_simple';
use Carp;
sub canonicalize_header {
my $self = shift;
my ($line) = @_;
$line =~ s/[ \t\015\012]//g;
return $self->SUPER::canonicalize_header( $line . "\015\012" );
}
sub canonicalize_body {
my $self = shift;
my ($multiline) = @_;
$multiline =~ s/[ \t]//g;
$multiline =~ s/\015(?!\012)//g; # standalone CR
$multiline =~ s/([^\015])\012/$1/g; # standalone LF
return $self->SUPER::canonicalize_body($multiline);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Mail::DKIM::Canonicalization::dk_nofws - nofws canonicalization
=head1 VERSION
version 1.20200907
=head1 AUTHORS
=over 4
=item *
Jason Long <jason@long.name>
=item *
Marc Bradshaw <marc@marcbradshaw.net>
=item *
Bron Gondwana <brong@fastmailteam.com> (ARC)
=back
=head1 THANKS
Work on ensuring that this module passes the ARC test suite was
generously sponsored by Valimail (https://www.valimail.com/)
=head1 COPYRIGHT AND LICENSE
=over 4
=item *
Copyright (C) 2013 by Messiah College
=item *
Copyright (C) 2010 by Jason Long
=item *
Copyright (C) 2017 by Standcore LLC
=item *
Copyright (C) 2020 by FastMail Pty Ltd
=back
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.8.6 or,
at your option, any later version of Perl 5 you may have available.
=cut