/usr/share/perl5/Mail/SPF/v1/Record.pm is in libmail-spf-perl 2.9.0-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Mail::SPF::v1::Record
# SPFv1 record class.
#
# (C) 2005-2012 Julian Mehnle <julian@mehnle.net>
# 2005 Shevek <cpan@anarres.org>
# $Id: Record.pm 57 2012-01-30 08:15:31Z julian $
#
##############################################################################
package Mail::SPF::v1::Record;
=head1 NAME
Mail::SPF::v1::Record - SPFv1 record class
=cut
use warnings;
use strict;
use base 'Mail::SPF::Record';
use constant TRUE => (0 == 0);
use constant FALSE => not TRUE;
use constant mech_classes => {
all => 'Mail::SPF::Mech::All',
ip4 => 'Mail::SPF::Mech::IP4',
ip6 => 'Mail::SPF::Mech::IP6',
a => 'Mail::SPF::Mech::A',
mx => 'Mail::SPF::Mech::MX',
ptr => 'Mail::SPF::Mech::PTR',
'exists' => 'Mail::SPF::Mech::Exists',
include => 'Mail::SPF::Mech::Include'
};
use constant mod_classes => {
redirect => 'Mail::SPF::Mod::Redirect',
'exp' => 'Mail::SPF::Mod::Exp'
};
eval("require $_")
foreach values(%{mech_classes()}), values(%{mod_classes()});
use constant version_tag => 'v=spf1';
use constant version_tag_pattern => qr/ v=spf(1) (?= \x20 | $ ) /ix;
use constant scopes => ('helo', 'mfrom');
=head1 SYNOPSIS
See L<Mail::SPF::Record>.
=head1 DESCRIPTION
An object of class B<Mail::SPF::v1::Record> represents an B<SPFv1> (C<v=spf1>)
record.
=head2 Constructors
The following constructors are provided:
=over
=item B<new(%options)>: returns I<Mail::SPF::v1::Record>
Creates a new SPFv1 record object.
%options is a list of key/value pairs representing any of the following
options:
=over
=item B<text>
=item B<terms>
=item B<global_mods>
See L<Mail::SPF::Record/new>.
=item B<scopes>
See L<Mail::SPF::Record/new>. Since SPFv1 records always implicitly cover the
C<helo> and C<mfrom> scopes, this option must either be exactly B<['helo',
'mfrom']> (or B<['mfrom', 'helo']>) or be omitted.
=back
=cut
sub new {
my ($self, %options) = @_;
$self = $self->SUPER::new(%options);
if (defined(my $scopes = $self->{scopes})) {
@$scopes > 0
or throw Mail::SPF::EInvalidScope('No scopes for v=spf1 record');
@$scopes == 2 and
(
$scopes->[0] eq 'help' and $scopes->[1] eq 'mfrom' or
$scopes->[0] eq 'mfrom' and $scopes->[1] eq 'help'
)
or throw Mail::SPF::EInvalidScope(
"Invalid set of scopes " . join(', ', map("'$_'", @$scopes)) . " for v=spf1 record");
}
return $self;
}
=item B<new_from_string($text, %options)>: returns I<Mail::SPF::v1::Record>;
throws I<Mail::SPF::ENothingToParse>, I<Mail::SPF::EInvalidRecordVersion>,
I<Mail::SPF::ESyntaxError>
Creates a new SPFv1 record object by parsing the string and any options given.
=back
=head2 Class methods
The following class methods are provided:
=over
=item B<version_tag_pattern>: returns I<Regexp>
Returns a regular expression that matches a version tag of B<'v=spf1'>.
=item B<default_qualifier>
=item B<results_by_qualifier>
See L<Mail::SPF::Record/Class methods>.
=back
=head2 Instance methods
The following instance methods are provided:
=over
=item B<text>
=item B<scopes>
=item B<terms>
=item B<global_mods>
=item B<global_mod>
=item B<stringify>
=item B<eval>
See L<Mail::SPF::Record/Instance methods>.
=item B<version_tag>: returns I<string>
Returns B<'v=spf1'>.
=back
=head1 SEE ALSO
L<Mail::SPF>, L<Mail::SPF::Record>, L<Mail::SPF::Term>, L<Mail::SPF::Mech>,
L<Mail::SPF::Mod>
L<http://tools.ietf.org/html/rfc4408>
For availability, support, and license information, see the README file
included with Mail::SPF.
=head1 AUTHORS
Julian Mehnle <julian@mehnle.net>, Shevek <cpan@anarres.org>
=cut
TRUE;
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