459 lines
14 KiB
PHP
459 lines
14 KiB
PHP
<?php
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require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/prerequisites.inc.php';
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require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/spf.inc.php';
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define('state_good', '<i class="bi bi-check-lg text-success"></i>');
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define('state_missing', '<i class="bi bi-x-lg text-danger"></i>');
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define('state_nomatch', "?");
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define('state_optional', " <sup>2</sup>");
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if (isset($_SESSION['mailcow_cc_role']) && ($_SESSION['mailcow_cc_role'] == "admin"|| $_SESSION['mailcow_cc_role'] == "domainadmin")) {
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$alias_domains = array();
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if (isset($_GET['domain'])) {
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$domain_details = mailbox('get', 'domain_details', $_GET['domain']);
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if ($domain_details !== false) {
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$domain = $_GET['domain'];
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$alias_domains = array_merge($alias_domains, mailbox('get', 'alias_domains', $domain));
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}
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else {
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echo "No such domain in context";
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exit();
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}
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}
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$ch = curl_init('http://ip4.mailcow.email');
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curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
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curl_setopt($ch, CURLOPT_VERBOSE, false);
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curl_setopt($ch, CURLOPT_HEADER, false);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 3);
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$ip = curl_exec($ch);
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curl_close($ch);
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$ch = curl_init('http://ip6.mailcow.email');
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curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V6);
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curl_setopt($ch, CURLOPT_VERBOSE, false);
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curl_setopt($ch, CURLOPT_HEADER, false);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 3);
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$ip6 = curl_exec($ch);
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curl_close($ch);
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$ptr = implode('.', array_reverse(explode('.', $ip))) . '.in-addr.arpa';
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if (!empty($ip6)) {
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$ip6_full = str_replace('::', str_repeat(':', 9-substr_count($ip6, ':')), $ip6);
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$ip6_full = str_replace('::', ':0:', $ip6_full);
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$ip6_full = str_replace('::', ':0:', $ip6_full);
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$ptr6 = '';
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foreach (explode(':', $ip6_full) as $part) {
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$ptr6 .= str_pad($part, 4, '0', STR_PAD_LEFT);
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}
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$ptr6 = implode('.', array_reverse(str_split($ptr6, 1))) . '.ip6.arpa';
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}
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$https_port = strpos($_SERVER['HTTP_HOST'], ':');
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if ($https_port === FALSE) {
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$https_port = 443;
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}
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else {
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$https_port = substr($_SERVER['HTTP_HOST'], $https_port+1);
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}
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if (!isset($autodiscover_config['sieve'])) {
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$autodiscover_config['sieve'] = array(
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'server' => $mailcow_hostname,
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'port' => array_pop(explode(':', getenv('SIEVE_PORT')))
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);
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}
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// Init records array
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$spf_link = '<a href="http://www.open-spf.org/SPF_Record_Syntax/" target="_blank">SPF Record Syntax</a><br />';
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$dmarc_link = '<a href="https://www.kitterman.com/dmarc/assistant.html" target="_blank">DMARC Assistant</a>';
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$records = array();
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if ($_SESSION['mailcow_cc_role'] == "admin") {
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$records[] = array(
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$mailcow_hostname,
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'A',
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$ip
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);
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$records[] = array(
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$ptr,
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'PTR',
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$mailcow_hostname
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);
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if (!empty($ip6)) {
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$records[] = array(
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$mailcow_hostname,
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'AAAA',
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expand_ipv6($ip6)
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);
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$records[] = array(
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$ptr6,
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'PTR',
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$mailcow_hostname
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);
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}
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$records[] = array(
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'_25._tcp.' . $autodiscover_config['smtp']['server'],
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'TLSA',
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generate_tlsa_digest($autodiscover_config['smtp']['server'], 25, 1)
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);
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}
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$records[] = array(
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$domain,
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'MX',
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$mailcow_hostname
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);
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if (!in_array($domain, $alias_domains)) {
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$records[] = array(
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'autodiscover.' . $domain,
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'CNAME',
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$mailcow_hostname
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);
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$records[] = array(
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'_autodiscover._tcp.' . $domain,
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'SRV',
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$mailcow_hostname . ' ' . $https_port
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);
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$records[] = array(
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'autoconfig.' . $domain,
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'CNAME',
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$mailcow_hostname
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);
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}
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$records[] = array(
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$domain,
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'TXT',
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$spf_link,
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state_optional
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);
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$records[] = array(
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'_dmarc.' . $domain,
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'TXT',
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$dmarc_link,
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state_optional
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);
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if (!empty($dkim = dkim('details', $domain))) {
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$records[] = array(
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$dkim['dkim_selector'] . '._domainkey.' . $domain,
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'TXT',
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$dkim['dkim_txt']
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);
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}
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if (!in_array($domain, $alias_domains)) {
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$current_records = (array)dns_get_record('_pop3._tcp.' . $domain, DNS_SRV);
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if (count($current_records) == 0 || $current_records[0]['target'] != '') {
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if ($autodiscover_config['pop3']['tlsport'] != '110') {
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$records[] = array(
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'_pop3._tcp.' . $domain,
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'SRV',
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$autodiscover_config['pop3']['server'] . ' ' . $autodiscover_config['pop3']['tlsport']
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);
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}
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}
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else {
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$records[] = array(
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'_pop3._tcp.' . $domain,
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'SRV',
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'. 0'
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);
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}
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$current_records = (array)dns_get_record('_pop3s._tcp.' . $domain, DNS_SRV);
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if (count($current_records) == 0 || $current_records[0]['target'] != '') {
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if ($autodiscover_config['pop3']['port'] != '995') {
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$records[] = array(
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'_pop3s._tcp.' . $domain,
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'SRV',
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$autodiscover_config['pop3']['server'] . ' ' . $autodiscover_config['pop3']['port']
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);
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}
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}
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else {
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$records[] = array(
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'_pop3s._tcp.' . $domain,
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'SRV',
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'. 0'
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);
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}
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if ($autodiscover_config['imap']['tlsport'] != '143') {
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$records[] = array(
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'_imap._tcp.' . $domain,
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'SRV',
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$autodiscover_config['imap']['server'] . ' ' . $autodiscover_config['imap']['tlsport']
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);
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}
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if ($autodiscover_config['imap']['port'] != '993') {
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$records[] = array(
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'_imaps._tcp.' . $domain,
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'SRV',
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$autodiscover_config['imap']['server'] . ' ' . $autodiscover_config['imap']['port']
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);
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}
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if ($autodiscover_config['smtp']['tlsport'] != '587') {
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$records[] = array(
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'_submission._tcp.' . $domain,
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'SRV',
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$autodiscover_config['smtp']['server'] . ' ' . $autodiscover_config['smtp']['tlsport']
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);
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}
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if ($autodiscover_config['smtp']['port'] != '465') {
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$records[] = array(
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'_smtps._tcp.' . $domain,
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'SRV',
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$autodiscover_config['smtp']['server'] . ' ' . $autodiscover_config['smtp']['port']
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);
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}
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if ($autodiscover_config['sieve']['port'] != '4190') {
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$records[] = array(
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'_sieve._tcp.' . $domain,
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'SRV',
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$autodiscover_config['sieve']['server'] . ' ' . $autodiscover_config['sieve']['port']
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);
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}
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}
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$record_types = array(
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'A' => DNS_A,
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'AAAA' => DNS_AAAA,
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'CNAME' => DNS_CNAME,
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'MX' => DNS_MX,
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'PTR' => DNS_PTR,
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'SRV' => DNS_SRV,
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'TXT' => DNS_TXT,
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);
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$data_field = array(
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'A' => 'ip',
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'AAAA' => 'ipv6',
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'CNAME' => 'target',
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'MX' => 'target',
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'PTR' => 'target',
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'SRV' => 'data',
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'TLSA' => 'data',
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'TXT' => 'txt',
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);
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?>
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<div class="table-responsive" id="dnstable">
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<table class="table table-striped">
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<tr>
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<th><?=$lang['diagnostics']['dns_records_name'];?></th>
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<th><?=$lang['diagnostics']['dns_records_type'];?></th>
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<th><?=$lang['diagnostics']['dns_records_data'];?></th>
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<th><?=$lang['diagnostics']['dns_records_status'];?></th>
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</tr>
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<?php
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foreach ($records as &$record) {
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$record[1] = strtoupper($record[1]);
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$state = state_optional;
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if ($record[1] == 'TLSA') {
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$currents = (array)dns_get_record($record[0], 52, $_, $_, TRUE);
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foreach ($currents as &$current) {
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$current['type'] = 'TLSA';
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$current['cert_usage'] = hexdec(bin2hex($current['data'][0]));
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$current['selector'] = hexdec(bin2hex($current['data'][1]));
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$current['match_type'] = hexdec(bin2hex($current['data'][2]));
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$current['cert_data'] = bin2hex(substr($current['data'], 3));
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$current['data'] = $current['cert_usage'] . ' ' . $current['selector'] . ' ' . $current['match_type'] . ' ' . $current['cert_data'];
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}
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unset($current);
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}
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else {
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$currents = (array)dns_get_record($record[0], $record_types[$record[1]]);
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if ($record[0] == $mailcow_hostname && ($record[1] == "A" || $record[1] == "AAAA")) {
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if (!empty((array)dns_get_record($record[0], DNS_CNAME))) {
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$currents[0]['ip'] = state_missing . ' <b>(CNAME)</b>';
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$currents[0]['ipv6'] = state_missing . ' <b>(CNAME)</b>';
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}
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}
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if ($record[1] == 'SRV') {
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foreach ($currents as &$current) {
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if ($current['target'] == '') {
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$current['target'] = '.';
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$current['port'] = '0';
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}
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$current['data'] = $current['target'] . ' ' . $current['port'];
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}
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unset($current);
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}
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elseif ($record[1] == 'TXT') {
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foreach ($currents as &$current) {
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unset($current);
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}
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unset($current);
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}
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elseif ($record[1] == 'AAAA') {
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foreach ($currents as &$current) {
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$current['ipv6'] = expand_ipv6($current['ipv6']);
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}
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}
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}
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if ($record[1] == 'CNAME' && count($currents) == 0) {
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// A and AAAA are also valid instead of CNAME
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$a = (array)dns_get_record($record[0], DNS_A);
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$cname = (array)dns_get_record($record[2], DNS_A);
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if (count($a) > 0 && count($cname) > 0) {
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if ($a[0]['ip'] == $cname[0]['ip']) {
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$currents = array(
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array(
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'host' => $record[0],
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'class' => 'IN',
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'type' => 'CNAME',
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'target' => $record[2]
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)
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);
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$aaaa = (array)dns_get_record($record[0], DNS_AAAA);
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$cname = (array)dns_get_record($record[2], DNS_AAAA);
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if (count($aaaa) == 0 || count($cname) == 0 || expand_ipv6($aaaa[0]['ipv6']) != expand_ipv6($cname[0]['ipv6'])) {
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$currents[0]['target'] = expand_ipv6($aaaa[0]['ipv6']) . ' <sup>1</sup>';
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}
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}
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else {
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$currents = array(
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array(
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'host' => $record[0],
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'class' => 'IN',
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'type' => 'CNAME',
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'target' => $a[0]['ip'] . ' <sup>1</sup>'
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)
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);
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}
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}
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}
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foreach ($currents as &$current) {
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if ($current['type'] == 'TXT' &&
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stripos($current['txt'], 'v=dmarc') === 0 &&
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$record[2] == $dmarc_link) {
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$current['txt'] = str_replace(' ', '', $current['txt']);
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$state = $current[$data_field[$current['type']]] . state_optional;
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}
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elseif ($current['type'] == 'TXT' &&
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stripos($current['txt'], 'v=spf') === 0 &&
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$record[2] == $spf_link) {
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$state = state_nomatch;
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$rslt = get_spf_allowed_hosts($record[0], true);
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if (in_array($ip, $rslt) && in_array(expand_ipv6($ip6), $rslt)) {
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$state = state_good;
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}
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$state .= '<br />' . $current[$data_field[$current['type']]] . state_optional;
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}
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elseif ($current['type'] == 'TXT' &&
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stripos($current['txt'], 'v=dkim') === 0 &&
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stripos($record[2], 'v=dkim') === 0) {
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preg_match('/v=DKIM1;.*k=rsa;.*p=([^;]*).*/i', $current[$data_field[$current['type']]], $dkim_matches_current);
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preg_match('/v=DKIM1;.*k=rsa;.*p=([^;]*).*/i', $record[2], $dkim_matches_good);
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if ($dkim_matches_current[1] == $dkim_matches_good[1]) {
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$state = state_good;
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}
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}
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elseif ($current['type'] != 'TXT' &&
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isset($data_field[$current['type']]) && $state != state_good) {
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$state = state_nomatch;
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if ($current[$data_field[$current['type']]] == $record[2]) {
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$state = state_good;
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}
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}
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}
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unset($current);
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if (isset($record[3]) &&
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$record[3] == state_optional &&
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($state == state_missing || $state == state_nomatch)) {
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$state = state_optional;
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}
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if ($state == state_nomatch) {
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$state = array();
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foreach ($currents as $current) {
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$state[] = $current[$data_field[$current['type']]];
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}
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$state = implode('<br />', $state);
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}
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echo sprintf('
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<tr>
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<td>%s</td>
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<td>%s</td>
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<td class="dns-found">%s</td>
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<td class="dns-recommended">%s</td>
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</tr>', $record[0], $record[1], $record[2], $state);
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$record[3] = explode('<br />', $state);
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}
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unset($record);
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$dns_data = sprintf("\$ORIGIN %s.\n", $domain);
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foreach ($records as $record) {
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if ($domain == substr($record[0], -strlen($domain))) {
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$label = substr($record[0], 0, -strlen($domain)-1);
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$val = $record[2];
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if (strlen($label) == 0) {
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$label = "@";
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}
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$vals = array();
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if (strpos($val, "<a") !== FALSE) {
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if (is_array($record[3]) && count($record[3]) == 1 && $record[3][0] == state_optional) {
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$record[3][0] = "**TODO**";
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$label = ';' . $label;
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}
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foreach ($record[3] as $val) {
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$val = str_replace(state_optional, '', $val);
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$val = str_replace(state_good, '', $val);
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if (strlen($val) > 0) {
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$vals[] = sprintf("%s\tIN\t%s\t%s\n", $label, $record[1], $val);
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}
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}
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}
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else {
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$vals[] = sprintf("%s\tIN\t%s\t%s\n", $label, $record[1], $val);
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}
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foreach ($vals as $val) {
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$dns_data .= str_replace($domain, $domain . '.', $val);
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}
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}
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}
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?>
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</table>
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<a id='download-zonefile' class="btn btn-sm btn-default visible-xs-block visible-sm-inline visible-md-inline visible-lg-inline" style="margin-top:10px" data-zonefile="<?=base64_encode($dns_data);?>" download='<?=$_GET['domain'];?>.txt' type='text/csv'>Download</a>
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<script>
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var zonefile_dl_link = document.getElementById('download-zonefile');
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var zonefile = atob(zonefile_dl_link.getAttribute('data-zonefile'));
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var data = new Blob([zonefile]);
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var download_zonefile_link = document.getElementById('download-zonefile');
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download_zonefile_link.href = URL.createObjectURL(data);
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</script>
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</div>
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<p class="help-block">
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<sup>1</sup> <?=$lang['diagnostics']['cname_from_a'];?><br />
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<sup>2</sup> <?=$lang['diagnostics']['optional'];?>
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</p>
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<?php
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}
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else {
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echo "Session invalid";
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exit();
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}
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?>
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