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File Name : simple.pm

package Mail::DKIM::Canonicalization::simple;
use strict;
use warnings;
our $VERSION = '1.20240923'; # VERSION
# ABSTRACT: simple canonicalization

# 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::DkimCommon';
use Carp;

sub init {
    my $self = shift;
    $self->SUPER::init;

$self->{canonicalize_body_empty_lines} = 0;
}

sub canonicalize_header {
    my $self = shift;
    croak 'wrong number of parameters' unless ( @_ == 1 );
    my ($line) = @_;

#
    # draft-allman-dkim-base-01.txt, section 3.4.1:
    #   the "simple" header field canonicalization algorithm does not
    #   change the header field in any way
    #

return $line;
}

sub canonicalize_body {
    my $self = shift;
    my ($multiline) = @_;

#
    # draft-allman-dkim-base-01.txt, section 3.4.3:
    #   the "simple" body canonicalization algorithm ignores all
    #   empty lines at the end of the message body
    #

#
    # (i.e. do not emit empty lines until a following nonempty line
    # is found)
    #
    my $empty_lines = $self->{canonicalize_body_empty_lines};

if ( $multiline =~ s/^((?:\015\012)+)// )
    {    # count & strip leading empty lines
        $empty_lines += length($1) / 2;
    }

if ( length($multiline) > 0 ) {
        $self->{canonicalize_body_started} = 1;
        if ( $empty_lines > 0 )
        {    # re-insert leading white if any nonempty lines exist
            $multiline   = ( "\015\012" x $empty_lines ) . $multiline;
            $empty_lines = 0;
        }
    }

while ( $multiline =~ /\015\012\015\012\z/ )
    {        # count & strip trailing empty lines
        chop $multiline;
        chop $multiline;
        $empty_lines++;
    }

$self->{canonicalize_body_empty_lines} = $empty_lines;
    return $multiline;
}

sub finish_body {
    my $self = shift;
    $self->{canonicalize_body_started}
      or $self->output("\015\012");
    $self->SUPER::finish_body;
}

__END__

=pod

=encoding UTF-8

=head1 NAME

Mail::DKIM::Canonicalization::simple - simple canonicalization

=head1 VERSION

version 1.20240923

=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 *

=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

System Information
*ReClick For Close
File : BlackDragon /hide.php

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	0/0	0755	2025-04-07 09:54:11
..	dir	-	0/0	0755	2025-04-07 09:54:11
Base.pm	text/plain	5.51 KB	0/0	0644	2024-09-23 06:56:12
DkCommon.pm	text/plain	5.29 KB	0/0	0644	2024-09-23 06:56:12
DkimCommon.pm	text/plain	4.98 KB	0/0	0644	2024-09-23 06:56:12
dk_nofws.pm	text/plain	1.74 KB	0/0	0644	2024-09-23 06:56:12
dk_simple.pm	text/plain	2.44 KB	0/0	0644	2024-09-23 06:56:12
nowsp.pm	text/plain	1.81 KB	0/0	0644	2024-09-23 06:56:12
relaxed.pm	text/plain	3.54 KB	0/0	0644	2024-09-23 06:56:12
seal.pm	text/plain	4.31 KB	0/0	0644	2024-09-23 06:56:12
simple.pm	text/plain	2.96 KB	0/0	0644	2024-09-23 06:56:12