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# SPDX-License-Identifier: GPL-2.0-or-later package Amavis::Unpackers::Part; use strict; use re 'taint'; BEGIN { require Exporter; use vars qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $VERSION); $VERSION = '2.412'; @ISA = qw(Exporter); } use Amavis::Util qw(ll do_log); use vars qw($file_generator_object); sub init($) { $file_generator_object = $_[0] } sub new($;$$$) { # create a part descriptor object my($class, $dir_name,$parent,$ignore_limit) = @_; my $self = bless {}, $class; if (!defined($dir_name) && !defined($parent)) { # just make an empty object, presumably used as a new root } else { $self->number($file_generator_object->generate_new_num($ignore_limit)); $self->dir_name($dir_name) if defined $dir_name; if (defined $parent) { $self->parent($parent); my $ch_ref = $parent->children; push(@$ch_ref,$self); $parent->children($ch_ref); } $file_generator_object->parts_list_add($self); # save it ll(4) && do_log(4, "Issued a new %s: %s", defined $dir_name ? "file name" : "pseudo part", $self->base_name); } $self; } sub number { @_<2 ? shift->{number} : ($_[0]->{number} = $_[1]) }; sub dir_name { @_<2 ? shift->{dir_name} : ($_[0]->{dir_name} = $_[1]) }; sub parent { @_<2 ? shift->{parent} : ($_[0]->{parent} = $_[1]) }; sub children { @_<2 ? shift->{children}||[] : ($_[0]->{children} = $_[1]) }; sub mime_placement # part location within a MIME tree, e.g. "1/1/3" { @_<2 ? shift->{place} : ($_[0]->{place} = $_[1]) }; sub type_short # string or a ref to a list of strings, case sensitive { @_<2 ? shift->{ty_short} : ($_[0]->{ty_short} = $_[1]) }; sub type_long { @_<2 ? shift->{ty_long} : ($_[0]->{ty_long} = $_[1]) }; sub type_declared { @_<2 ? shift->{ty_decl} : ($_[0]->{ty_decl} = $_[1]) }; sub name_declared # string or a ref to a list of strings { @_<2 ? shift->{nm_decl} : ($_[0]->{nm_decl} = $_[1]) }; sub report_type # a string, e.g. 'delivery-status', RFC 6522 { @_<2 ? shift->{rep_typ} : ($_[0]->{rep_typ} = $_[1]) }; sub size # size in bytes { @_<2 ? shift->{size} : ($_[0]->{size} = $_[1]) }; sub digest # digest of a mime part contents (typically SHA1, hex) { @_<2 ? shift->{digest} : ($_[0]->{digest} = $_[1]) }; sub exists { @_<2 ? shift->{exists} : ($_[0]->{exists} = $_[1]) }; sub attributes # a string of characters representing attributes { @_<2 ? shift->{attr} : ($_[0]->{attr} = $_[1]) }; sub attributes_add { # U=undecodable, C=crypted, B=ambiguous-content, # D=directory, S=special, L=link my $self = shift; my $a = $self->{attr}; $a = '' if !defined $a; for my $arg (@_) { $a .= $arg if $arg ne '' && index($a,$arg) < 0 } $self->{attr} = $a; }; sub base_name { my $self = $_[0]; sprintf("p%03d",$self->number) } sub full_name { my $self = $_[0]; my $d = $self->dir_name; !defined($d) ? undef : $d.'/'.$self->base_name; } # returns a ref to a list of part ancestors, starting with the root object, # and including the part object itself # sub path { my $self = $_[0]; my(@path); for (my $p=$self; defined($p); $p=$p->parent) { unshift(@path,$p) } \@path; }; 1;