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#!/usr/local/cpanel/3rdparty/bin/perl
package scripts::dnssec_cluster_keys;

# cpanel - scripts/dnssec-cluster-keys
#                                                     Copyright 2022 cPanel, L.L.C.
#                                                            All rights reserved.
#  copyright@cpanel.net                                         http://cpanel.net
#  This code is subject to the cPanel license. Unauthorized copying is prohibited

use strict;
use warnings;

=encoding utf-8

=head1 NAME

dnssec-cluster-keys

=head1 SYNOPSIS

dnssec-cluster-keys [--sync|--revoke] [--zone=] [--tag=] {--nolocal} {--rebuild-cache}

Options:
    --sync              Action to sync keys to the cluster.
    --revoke            Action to revoke keys from the cluster.
    --zone              Required. The zone to take action on.
    --tag               Required for revoke. Optional for sync.
                        If not defined during a sync, all active keys will be used.
                        Multiple tags can be defined.
    --nolocal           Optional. Do not perform the action on the local server.
                        Useful for testing.
    --rebuild-cache     Rebuild the local cache of domains with DNSSEC enabled.

Examples:

Sync all currently active DNSSEC keys:
 ./dnssec-cluster-keys --sync --zone=example.zone

Sync only specific DNSSEC keys. If any of the keys are disabled locally, they will be enabled.
 ./dnssec-cluster-keys --sync --zone=example.zone --tag=46547 --tag=31016 --tag=44233

Revoke specific DNSSEC keys from the cluster. WARNING: This will delete the keys locally also.
 ./dnssec-cluster-keys --revoke --zone=example.zone --tag=46547 --tag=31016 --tag=44233

Revoke a DNSSEC key from the cluster, but keep the local copy.
 ./dnssec-cluster-keys --revoke --zone=example.zone --tag=12345 --nolocal

=head1 DESCRIPTION

This script is used to manage DNSSEC keys in a cPanel cluster. You must be using PowerDNS
as a nameserver, cPanel DNS clustering must be enabled, and have root privileges. This script
provides two actions, sync and revoke.

=cut

use Cpanel::NameServer::DNSSEC::SyncKeys ();

use parent qw( Cpanel::HelpfulScript );

use constant _OPTIONS => ( 'zone=s', 'sync', 'revoke', 'tag=s@', 'nolocal', 'rebuild-cache' );

if ( !caller() ) {
    __PACKAGE__->new(@ARGV)->run();
    exit 0;
}

sub run {
    my ($self) = @_;

die "This must run as root!\n" if $>;

if ( $self->getopt('rebuild-cache') ) {
        print "Rebuilding the dnssec enabled cache...\n";
        require Cpanel::NameServer::DNSSEC::Cache;
        Cpanel::NameServer::DNSSEC::Cache::rebuild_cache();
        print "Done\n";
        return 1;
    }

my $zone    = $self->getopt('zone') // die "Must specify a zone.\n" . $self->help();
    my $nolocal = $self->getopt('nolocal') ? 0 : 1;

unless ( defined( $self->getopt('sync') ) ^ defined( $self->getopt('revoke') ) ) {
        die "Must specify either --sync or --revoke.\n" . $self->help();
    }

my $dnssec = Cpanel::NameServer::DNSSEC::SyncKeys->new( $zone, $nolocal );

if ( $self->getopt('sync') ) {
        my $keys = $self->getopt('tag') // [];
        if (@$keys) {
            print "Syncing DNSSEC keys for $zone with tags: " . join( " ", @$keys ) . "\n";
            $dnssec->sync_keys( $keys, { skip_verify => 1 } );
        }
        else {
            print "Syncing all active DNSSEC keys for zone $zone...\n";
            $dnssec->sync_active_keys( { skip_verify => 1 } );
        }
    }
    elsif ( $self->getopt('revoke') ) {
        my $keys = $self->getopt('tag') // die "Please specify the keytags to revoke with --tag.\n" . $self->help();
        print "Removing DNSSEC keys for $zone with tags: " . join( " ", @$keys ) . "\n";
        $dnssec->revoke_keys($keys);
    }

print "Done.\n";
    return 1;
}