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#!/usr/bin/env php
<?php
require_once __DIR__.'/../vendor/autoload.php';
require_once __DIR__.'/lib/Logger.php';
use Iodev\Whois\Factory;
error_reporting(E_ALL);
ini_set('display_errors', 1);
const TIME_FMT = 'd.m.Y, H:i:s';
const TYPE_SSL = 0;
const TYPE_WHOIS = 1;
$file = getenv('HOME').'/.config/ssl_expire_notifier.ini';
if (!file_exists($file))
die('ERROR: config '.$file.' not found');
$now = time();
$config = parse_ini_file($file);
function handle_result(int $type, string $host, int $exp, Logger $logger) {
global $now, $config;
static $cfg_prefixes = [
TYPE_SSL => 'ssl_',
TYPE_WHOIS => 'reg_'
];
static $subtitles = [
TYPE_SSL => 'SSL',
TYPE_WHOIS => 'REGISTRATION'
];
$cfg_prefix = $cfg_prefixes[$type];
$subtitle = $subtitles[$type];
$logger->debug("{$subtitle}: valid till ".date(TIME_FMT, $exp));
if ($exp <= $now) {
$logger->fatal($subtitle.': already expired at '.date(TIME_FMT, $exp));
} else {
$method = null;
if ($exp-$now < 86400*$config[$cfg_prefix.'error_days'])
$method = 'error';
else if ($exp-$now < 86400*$config[$cfg_prefix.'warn_days'])
$method = 'warn';
if ($method !== null)
call_user_func([$logger, $method], "{$subtitle}: expires at ".date(TIME_FMT, $exp));
else
$logger->debug('ok');
}
}
function get_top_domains() {
global $config;
$domains = array_map(function(string $d) {
if (($pos = strpos($d, ':')) !== false)
$d = substr($d, 0, $pos);
$words = explode('.', $d);
if (count($words) < 2) {
trigger_error('weird domain: '.$d);
return $d;
}
$words = array_reverse($words);
return "{$words[1]}.{$words[0]}";
}, $config['hosts']);
return array_values(array_unique($domains));
}
function ssl_expire_notifier() {
global $config;
$now = time();
foreach ($config['hosts'] as $host) {
$logger = new Logger($host);
if (($pos = strpos($host, ':')) !== false) {
$port = substr($host, $pos+1);
if (!is_numeric($port)) {
$logger->error("failed to parse host");
continue;
}
$host = substr($host, 0, $pos);
} else {
$port = 443;
}
$ipv4 = gethostbyname($host);
if (!$ipv4 || $ipv4 == $host) {
$logger->error("failed to resolve");
continue;
}
$logger->debug("resolved to $ipv4");
$get = stream_context_create([
'ssl' => [
'capture_peer_cert' => true,
'verify_peer' => false,
'verify_peer_name' => false,
'allow_self_signed' => true,
'verify_depth' => 0,
]
]);
$read = stream_socket_client('ssl://'.$host.':'.$port, $errno, $errstr, 30, STREAM_CLIENT_CONNECT, $get);
if ($read === false) {
$logger->error("failed to connect to {$host}:{$port}");
continue;
}
$cert = stream_context_get_params($read);
$cert_info = openssl_x509_parse($cert['options']['ssl']['peer_certificate']);
handle_result(TYPE_SSL, $host, $cert_info['validTo_time_t'], $logger);
}
}
function whois_expire_notifier() {
$whois = Factory::get()->createWhois();
$domains = get_top_domains();
foreach ($domains as $domain) {
$logger = new Logger($domain);
try {
$info = $whois->loadDomainInfo($domain);
handle_result(TYPE_WHOIS, $domain, $info->expirationDate, $logger);
} catch (\Iodev\Whois\Exceptions\WhoisException $e) {
$logger->error("WhoisException: ".$e->getMessage());
} catch (\Iodev\Whois\Exceptions\ConnectionException $e) {
$logger->error("ConnectionException: ".$e->getMessage());
}
}
}
ssl_expire_notifier();
whois_expire_notifier();
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