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