84 lines
2.3 KiB
Perl
84 lines
2.3 KiB
Perl
# Copyright © 2017 Guillem Jover <guillem@debian.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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package Dpkg::OpenPGP;
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use strict;
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use warnings;
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use Exporter qw(import);
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use File::Copy;
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use Dpkg::Gettext;
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use Dpkg::ErrorHandling;
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use Dpkg::Path qw(find_command);
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our $VERSION = '0.01';
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our @EXPORT = qw(
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openpgp_sig_to_asc
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);
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sub openpgp_sig_to_asc
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{
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my ($sig, $asc) = @_;
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if (-e $sig) {
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my $is_openpgp_ascii_armor = 0;
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open my $fh_sig, '<', $sig or syserr(g_('cannot open %s'), $sig);
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while (<$fh_sig>) {
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if (m/^-----BEGIN PGP /) {
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$is_openpgp_ascii_armor = 1;
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last;
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}
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}
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close $fh_sig;
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if ($is_openpgp_ascii_armor) {
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notice(g_('signature file is already OpenPGP ASCII armor, copying'));
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copy($sig, $asc);
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return $asc;
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}
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if (not find_command('gpg')) {
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warning(g_('cannot OpenPGP ASCII armor signature file due to missing gpg'));
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}
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my @gpg_opts = qw(--no-options);
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open my $fh_asc, '>', $asc
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or syserr(g_('cannot create signature file %s'), $asc);
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open my $fh_gpg, '-|', 'gpg', @gpg_opts, '-o', '-', '--enarmor', $sig
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or syserr(g_('cannot execute %s program'), 'gpg');
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while (my $line = <$fh_gpg>) {
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next if $line =~ m/^Version: /;
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next if $line =~ m/^Comment: /;
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$line =~ s/ARMORED FILE/SIGNATURE/;
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print { $fh_asc } $line;
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}
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close $fh_gpg or subprocerr('gpg');
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close $fh_asc or syserr(g_('cannot write signature file %s'), $asc);
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return $asc;
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}
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return;
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}
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1;
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