1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
# Copyright © 2017, 2022 Guillem Jover <guillem@debian.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
=encoding utf8
=head1 NAME
Dpkg::OpenPGP::Backend - OpenPGP backend base class
=head1 DESCRIPTION
This module provides an OpenPGP backend base class that specific
implementations should inherit from.
B<Note>: This is a private module, its API can change at any time.
=cut
package Dpkg::OpenPGP::Backend 0.01;
use strict;
use warnings;
use List::Util qw(first);
use Dpkg::Path qw(find_command);
use Dpkg::OpenPGP::ErrorCodes;
sub DEFAULT_CMDV {
return [];
}
sub DEFAULT_CMDSTORE {
return [];
}
sub DEFAULT_CMD {
return [];
}
sub _detect_cmd {
my ($cmd, $default) = @_;
if (! defined $cmd || $cmd eq 'auto') {
return first { find_command($_) } @{$default};
} else {
return find_command($cmd);
}
}
sub new {
my ($this, %opts) = @_;
my $class = ref($this) || $this;
my $self = {};
bless $self, $class;
$self->{cmdv} = _detect_cmd($opts{cmdv}, $self->DEFAULT_CMDV());
$self->{cmdstore} = _detect_cmd($opts{cmdstore}, $self->DEFAULT_CMDSTORE());
$self->{cmd} = _detect_cmd($opts{cmd}, $self->DEFAULT_CMD());
return $self;
}
sub has_backend_cmd {
my $self = shift;
return defined $self->{cmd};
}
sub has_verify_cmd {
my $self = shift;
return defined $self->{cmd};
}
sub has_keystore {
my $self = shift;
return 0;
}
sub can_use_key {
my ($self, $key) = @_;
return $self->has_keystore() if $key->needs_keystore();
return 1;
}
sub get_trusted_keyrings {
my $self = shift;
return ();
}
sub armor {
my ($self, $type, $in, $out) = @_;
return OPENPGP_UNSUPPORTED_SUBCMD;
}
sub dearmor {
my ($self, $type, $in, $out) = @_;
return OPENPGP_UNSUPPORTED_SUBCMD;
}
sub inline_verify {
my ($self, $inlinesigned, $data, @certs) = @_;
return OPENPGP_UNSUPPORTED_SUBCMD;
}
sub verify {
my ($self, $data, $sig, @certs) = @_;
return OPENPGP_UNSUPPORTED_SUBCMD;
}
sub inline_sign {
my ($self, $data, $inlinesigned, $key) = @_;
return OPENPGP_UNSUPPORTED_SUBCMD;
}
=head1 CHANGES
=head2 Version 0.xx
This is a private module.
=cut
1;
|
