74 lines
2 KiB
PHP
74 lines
2 KiB
PHP
<?php
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define('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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define('MIN_TTL', 300);
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define('DEFAULT_TTL', 10800);
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define('MAX_TTL', 1728000);
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define('ALLOWED_TYPES', ['AAAA', 'A', 'TXT', 'SRV', 'MX', 'SVCB', 'HTTPS', 'NS', 'DS', 'CAA', 'CNAME', 'DNAME', 'LOC', 'SSHFP', 'TLSA']);
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define('ZONE_MAX_CHARACTERS', 10000);
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function nsCommonRequirements() {
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return (isset($_POST['action'])
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AND isset($_POST['zone'])
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AND isset($_POST['ttl-value'])
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AND isset($_POST['ttl-multiplier'])
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AND isset($_SESSION['id'])
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);
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}
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function nsParseCommonRequirements() {
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nsCheckZonePossession($_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'] = $_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 $values;
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}
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function nsListUserZones() {
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if (isset($_SESSION['id']))
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return query('select', 'zones', ['username' => $_SESSION['id']], 'zone');
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return [];
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}
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function nsCheckZonePossession($zone) {
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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($zone) {
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// Delete zone data
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exec(CONF['dns']['knotc_path'] . ' --blocking --timeout 3 --force zone-purge ' . $zone, 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 Knot configuration
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knotcConfExec(["unset 'zone[$zone]'"]);
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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' => $_SESSION['id'],
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]);
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}
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