Panel d'administration de serveur web.
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<?php
namespace lib;
/**
* LetsEncrypt
*/
class LetsEncrypt
{
const HTTP_OK = 200;
const HTTP_CHALLENGE_URL = '/.well-known/acme-challenge';
/**
* create the file used to test the HTTP challenge
*/
private function createFileHttpChallenge()
{
$cmd = 'web-add.sh manage-http-challenge-file create';
sudoexec($cmd, $data_output, $exec_return);
}
/**
* delete the file used to test the HTTP challenge
*/
private function deleteFileHttpChallenge()
{
$cmd = 'web-add.sh manage-http-challenge-file delete';
sudoexec($cmd, $data_output, $exec_return);
}
/**
* perform a cURL call on the remote resource
* the cURL call follows redirections and pushes the last valid URL to an array
* @param Array $domains list of domains
* @return Array $checked_domains list of checked domains
*/
public function checkRemoteResourceAvailability($domains)
{
$this->createFileHttpChallenge();
$curl_multi = curl_multi_init();
$curl_handles = array();
$checked_domains = array();
foreach ($domains as $key => $domain) {
$curl_handles[$key] = curl_init($domain . self::HTTP_CHALLENGE_URL);
// setting cURL options
curl_setopt($curl_handles[$key], CURLOPT_TIMEOUT, 3);
curl_setopt($curl_handles[$key], CURLOPT_HEADER, true);
curl_setopt($curl_handles[$key], CURLOPT_NOBODY, true);
curl_setopt($curl_handles[$key], CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl_handles[$key], CURLOPT_FOLLOWLOCATION, true);
curl_setopt($curl_handles[$key], CURLOPT_MAXREDIRS, 3);
curl_setopt($curl_handles[$key], CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
curl_setopt($curl_handles[$key], CURLOPT_RETURNTRANSFER, true);
curl_multi_add_handle($curl_multi, $curl_handles[$key]);
}
do {
curl_multi_exec($curl_multi, $active);
} while ($active);
foreach ($curl_handles as $curl_handle) {
$returned_http_code = curl_getinfo($curl_handle, CURLINFO_HTTP_CODE);
$returned_http_url = curl_getinfo($curl_handle, CURLINFO_EFFECTIVE_URL);
if ($returned_http_code === self::HTTP_OK && strpos($returned_http_url, self::HTTP_CHALLENGE_URL)) {
$returned_http_url = str_replace(self::HTTP_CHALLENGE_URL, '', $returned_http_url);
$returned_http_url = preg_replace('#^https?://#', '', $returned_http_url);
array_push($checked_domains, $returned_http_url);
}
curl_multi_remove_handle($curl_multi, $curl_handle);
}
curl_multi_close($curl_multi);
$this->deleteFileHttpChallenge();
return $checked_domains;
}
/**
* Query the corresponding IP for each domain
* @param Array $domains list of HTTP checked domains
* @return Array $valid_dns_domains list of valid domains
*/
public function checkDNSValidity($domains)
{
$valid_dns_domains = array();
foreach ($domains as $domain) {
//FQDN syntax
$domain .= '.';
$dns_record_ipv4 = dns_get_record($domain, DNS_A);
$dns_record_ipv6 = dns_get_record($domain, DNS_AAAA);
if ($dns_record_ipv4 || $dns_record_ipv6) {
// remove the last dot added for the FQDN syntax
$domain = rtrim($domain, '.');
array_push($valid_dns_domains, $domain);
}
}
return $valid_dns_domains;
}
}