# SPDX-License-Identifier: GPL-2.0-or-later

package Amavis::Unpackers::OurFiler;
use strict;
use re 'taint';

BEGIN {
  require Exporter;
  use vars qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $VERSION);
  $VERSION = '2.412';
  @ISA = qw(Exporter MIME::Parser::Filer);  # subclass of MIME::Parser::Filer
}

use MIME::Parser::Filer;

use Amavis::Unpackers::Part;

# This package will be used by mime_decode().
#
# We don't want no heavy MIME::Parser machinery for file name extension
# guessing, decoding charsets in filenames (and listening to complaints
# about it), checking for evil filenames, checking for filename contention, ...
# (which cannot be turned off completely by ignore_filename(1) !!!)
# Just enforce our file name! And while at it, collect generated filenames.
#
sub new($$$) {
  my($class, $dir, $parent_obj) = @_;
  $dir =~ s{/+\z}{};  # chop off trailing slashes from directory name
  bless {parent => $parent_obj, directory => $dir}, $class;
}

# provide a generated file name
#
sub output_path($@) {
  my($self, $head) = @_;
  my $newpart_obj =
    Amavis::Unpackers::Part->new($self->{directory}, $self->{parent}, 1);
  get_amavisd_part($head, $newpart_obj);  # store object into head
  $newpart_obj->full_name;
}

sub get_amavisd_part($;$) {
  my $head = shift;
  !@_ ? $head->{amavisd_parts_obj} : ($head->{amavisd_parts_obj} = shift);
}

1;