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# This code is part of Perl distribution Mail-Message version 4.02.
# The POD got stripped from this file by OODoc version 3.06.
# For contributors see file ChangeLog.
# This software is copyright (c) 2001-2026 by Mark Overmeer.
# This is free software; you can redistribute it and/or modify it under
# the same terms as the Perl 5 programming language system itself.
# SPDX-License-Identifier: Artistic-1.0-Perl OR GPL-1.0-or-later
package Mail::Message::Field::DKIM;{
our $VERSION = '4.02';
}
use parent 'Mail::Message::Field::Structured';
use warnings;
use strict;
use Log::Report 'mail-message', import => [ qw/__x error/ ];
use URI ();
#--------------------
sub init($)
{ my ($self, $args) = @_;
$self->{MMFD_tags} = +{ v => 1, a => 'rsa-sha256' };
$self->SUPER::init($args);
}
sub parse($)
{ my ($self, $string) = @_;
my $tags = $self->{MMFD_tags};
foreach (split /\;/, $string)
{ m/^\s*([a-z][a-z0-9_]*)\s*\=\s*([\s\x21-\x7E]+?)\s*$/is or next;
# tag-values stay unparsed (for now)
$self->addTag($1, $2);
}
(undef, $string) = $self->consumeComment($string);
$self;
}
sub produceBody()
{ my $self = shift;
}
#--------------------
sub addAttribute($;@)
{ my $self = shift;
error __x"no attributes for DKIM headers.";
}
sub addTag($$)
{ my ($self, $name) = (shift, lc shift);
$self->{MMFD_tags}{$name} = join ' ', @_;
$self;
}
sub tag($) { $_[0]->{MMFD_tags}{lc $_[1]} }
#--------------------
sub tagAlgorithm() { $_[0]->tag('a') }
sub tagSignData() { $_[0]->tag('b') }
sub tagSignature() { $_[0]->tag('bh') }
sub tagC14N() { $_[0]->tag('c') }
sub tagDomain() { $_[0]->tag('d') }
sub tagSignedHeaders() { $_[0]->tag('h') }
sub tagAgentID() { $_[0]->tag('i') }
sub tagBodyLength(){ $_[0]->tag('l') }
sub tagQueryMethods() { $_[0]->tag('q') }
sub tagSelector() { $_[0]->tag('s') }
sub tagTimestamp() { $_[0]->tag('t') }
sub tagExpires() { $_[0]->tag('x') }
sub tagVersion() { $_[0]->tag('v') }
sub tagExtract() { $_[0]->tag('z') }
#--------------------
1;
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