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feat(installer) : check also www. for fullname domains

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This commit is contained in:
mrflos 2023-03-31 19:43:21 +03:00
parent 5c135f2cbb
commit 2b76cdc7e6
3 changed files with 31 additions and 8 deletions
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24
utils.inc.php
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@ -2,7 +2,7 @@
require 'vendor/autoload.php';
function checkDNS($domain)
function checkDNS($domain, $withWww = false)
{
if (!preg_match('/(?=^.{4,253}$)(^((?!-)[a-zA-Z0-9-]{0,62}[a-zA-Z0-9]\.)+[a-zA-Z]{2,63}$)/', strtolower($domain))) {
throw new Exception('not valid domain : "'.$domain.'".');
@ -17,6 +17,28 @@ function checkDNS($domain)
if ($currentip[1]['ipv6'] !== $_SERVER['ip6']) {
throw new Exception('the current ip v6 address of '.$domain.' is '.$currentip[1]['ipv6'].'. it should be '.$_SERVER['ip6']);
}
if ($withWww) {
$dnsentries = dns_get_record('www.'.$domain, DNS_A + DNS_AAAA + DNS_CNAME);
$foundCnameEntry = false;
$foundIp4 = false;
$foundIp6 = false;
foreach($dnsentries as $key => $row) {
if ($row['host'] == 'www.'.$domain && $row['type']=='CNAME' && $row['target'] == $domain) {
$foundCnameEntry = true;
}
if ($row['host'] == 'www.'.$domain && $row['type']=='A' && $row['ip'] == $_SERVER['ip4']) {
$foundIp4 = true;
}
if ($row['host'] == 'www.'.$domain && $row['type']=='AAAA' && $row['ipv6'] == $_SERVER['ip6']) {
$foundIp6 = true;
}
}
if (!$foundCnameEntry) {
if (!$foundIp4 && !$foundIp6) {
throw new Exception('the domain www.'.$domain.' was not found in DNS record as a CNAME targeting '.$domain."\n".' or A entry to '.$_SERVER['ip4'].' and a AAAA entry to '.$_SERVER['ip6'].'.');
}
}
}
return true;
}