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package URPM;
use strict;
use warnings;
#- parse from rpmlib db.
#-
#- side-effects: $urpm
sub parse_pubkeys {
my ($urpm, %options) = @_;
my $db = $options{db};
$db ||= URPM::DB::open($options{root}) or die "Can't open RPM DB, aborting\n";
my @keys = parse_pubkeys_($db);
$urpm->{keys}{$_->{id}} = $_ foreach @keys;
}
#- side-effects: none
sub parse_pubkeys_ {
my ($db) = @_;
my ($block, $content);
my %keys;
$db->traverse_tag('name', [ 'gpg-pubkey' ], sub {
my ($p) = @_;
# the first blank separates the PEM headers from key data, this
# flags we found it:
my $found_blank = 0;
foreach (split "\n", $p->description) {
if ($block) {
if (/^$/ && !$found_blank) {
# All content until now were the encapsulated pem
# headers...
$content = '';
$found_blank = 1;
}
elsif (/^-----END PGP PUBLIC KEY BLOCK-----$/) {
$keys{$p->version} = {
$p->summary =~ /^gpg\((.*)\)$/ ? (name => $1) : @{[]},
id => $p->version,
content => $content,
block => $p->description,
};
$block = undef;
$content = '';
}
else {
$content .= $_;
}
}
$block ||= /^-----BEGIN PGP PUBLIC KEY BLOCK-----$/;
}
});
values %keys;
}
#- obsoleted
sub import_needed_pubkeys() {
warn "import_needed_pubkeys prototype has changed, please give a file directly\n";
return;
}
#- import pubkeys only if it is needed.
sub import_needed_pubkeys_from_file {
my ($db, $pubkey_file, $o_callback) = @_;
my @keys = parse_pubkeys_($db);
my $keyid = substr get_gpg_fingerprint($pubkey_file), 8;
my ($kv) = grep { (hex($keyid) == hex($_->{id})) } @keys;
my $imported;
if (!$kv) {
if (!import_pubkey_file($db, $pubkey_file)) {
#$urpm->{debug_URPM}("Couldn't import public key from ".$pubkey_file) if $urpm->{debug_URPM};
$imported = 0;
} else {
$imported = 1;
}
@keys = parse_pubkeys_($db);
($kv) = grep { (hex($keyid) == hex($_->{id})) } @keys;
}
#- let the caller know about what has been found.
#- this is an error if the key is not found.
$o_callback and $o_callback->($kv ? $kv->{id} : undef, $imported);
}
1;
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