servnest/fn/ns.php
2023-07-31 01:13:06 +02:00

83 lines
2.2 KiB
PHP

<?php declare(strict_types=1);
const NS_SOA_VALUES = [
'ttl' => 10800,
'email' => CONF['ns']['public_soa_email'],
'refresh' => 10800,
'retry' => 3600,
'expire' => 3628800,
'negative' => 10800,
];
const NS_MIN_TTL = 300;
const NS_DEFAULT_TTL = 10800;
const NS_MAX_TTL = 1728000;
const NS_ALLOWED_TYPES = ['AAAA', 'A', 'TXT', 'SRV', 'MX', 'SSHFP', 'TLSA', 'NS', 'DS', 'CSYNC', 'CAA', 'CNAME', 'DNAME', 'SVCB', 'HTTPS', 'LOC'];
const NS_TEXTAREA_MAX_CHARACTERS = 10000;
const NS_SYNC_TTL = 10800;
function nsParseCommonRequirements(): array {
nsCheckZonePossession($_POST['zone']);
if (($_POST['subdomain'] === '') OR ($_POST['subdomain'] === '@'))
$values['domain'] = $_POST['zone'];
else
$values['domain'] = formatAbsoluteDomain(formatEndWithDot($_POST['subdomain']) . $_POST['zone']);
$values['ttl'] = intval($_POST['ttl-value'] * $_POST['ttl-multiplier']);
if ($values['ttl'] < NS_MIN_TTL)
output(403, sprintf(_('TTLs shorter than %s seconds are forbidden.'), NS_MIN_TTL));
if ($values['ttl'] > NS_MAX_TTL)
output(403, sprintf(_('TTLs longer than %s seconds are forbidden.'), NS_MAX_TTL));
return $values;
}
function nsListUserZones(): array {
if (isset($_SESSION['id']))
return query('select', 'zones', ['username' => $_SESSION['id']], 'zone');
return [];
}
function nsCheckZonePossession(string $zone): void {
checkAbsoluteDomainFormat($zone);
if (!in_array($zone, nsListUserZones(), true))
output(403, 'You don\'t own this zone on the name server.');
}
function nsDeleteZone(string $zone, string $user_id): void {
// Remove from Knot configuration
knotcConfExec([['conf-unset', 'zone[' . $zone . ']']]);
// Remove Knot zone file
if (unlink(CONF['ns']['knot_zones_path'] . '/' . $zone . 'zone') !== true)
output(500, 'Failed to remove Knot zone file.');
// Remove Knot related data
exescape([
CONF['dns']['knotc_path'],
'--blocking',
'--timeout',
'3',
'--force',
'--',
'zone-purge',
$zone,
'+orphan',
], result_code: $code);
if ($code !== 0)
output(500, 'Failed to purge zone data.');
query('delete', 'ns-syncs', ['destination' => $zone]);
// Remove from database
query('delete', 'zones', [
'zone' => $zone,
'username' => $user_id,
]);
}