一，代码:
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<?php
//得到证书的信息
function getCertInfo($url){
if (!extension_loaded('openssl') || !is_callable('openssl_x509_parse')){
return ['code' => -1, 'msg' => '请开启php的openssl扩展'];
}
//解析url,判断是否存在不合法参数
$parse = parse_url($url);
if (!empty($parse['host'])) {
$domain = $parse['host'];
} elseif (empty($parse['path'])) {
return ['code' => -1, 'msg' => $url . '请输入合法的域名'];
} else {
$arr = explode('/', $parse['path']);
$domain = $arr[0];
}
//创建一个文本数据流
$context = stream_context_create([
'ssl' => [
'capture_peer_cert' => true,
'capture_peer_cert_chain' => true,
],
]);
//创建连接
$client = @stream_socket_client("ssl://" . $domain . ":443", $errno, $errstr, 10, STREAM_CLIENT_CONNECT, $context);
if ($client == false) {
return ['code' => -1, 'msg' => $domain . '未查到可靠信息','err'=>[
'errno'=>$errno,
'errstr'=>iconv('gbk', 'utf-8', $errstr),
]];
}
//得到context的参数
$params = stream_context_get_params($client);
if (empty($params['options']['ssl']['peer_certificate'])) {
return ['code' => -1, 'msg' => $domain . '获取信息失败，请确保可以正常访问'];
}
$cert = $params['options']['ssl']['peer_certificate'];
$cert_info = @openssl_x509_parse($cert);
return ['code' => 0, 'data' => $cert_info];
}
//要查询的域名
$host = 'www.baidu.com';
$info = getCertInfo($host);
if ($info['code'] != 0){
echo "访问出错:".$info['msg']."\n";
exit;
}
//得到证书的时间，并打印
$data = $info['data'];
$dn = $data['subject']['CN']; //证书保护域名
$validFrom_time_t = date('Y-m-d H:i:s', $data['validFrom_time_t']); //证书开始时间
$validTo_time_d = date('Y-m-d H:i:s', $data['validTo_time_t']); //证书结束时间
echo "证书保护域名：" . $dn . ":\n";
echo "证书开始时间：" . $validFrom_time_t . ":\n";
echo "证书结束时间：" . $validTo_time_d . ":\n";
?>
|
说明：我们主要是为了获取证书的结束时间，可以用来发送提醒信息，避免证书过期
二，测试效果
root@lhdpc:/data/work/cert# /usr/local/soft/php8/bin/php ./certinfo.php
证书保护域名：baidu.com:
证书开始时间：2023-07-06 01:51:06:
证书结束时间：2024-08-06 01:51:05:说明：刘宏缔的架构森林—专注it技术的博客，
网站：https://blog.imgtouch.com
原文: https://blog.imgtouch.com/index.php/2023/07/27/php-huo-qu-https-zheng-shu-de-xin-xi-php-8-1-1/
代码: https://github.com/liuhongdi/ 或 https://gitee.com/liuhongdi
说明：作者:刘宏缔 邮箱: [email protected]
三，查看php的版本:
root@lhdpc:/data/work/cert# /usr/local/soft/php8/bin/php --version
PHP 8.1.1 (cli) (built: Dec 20 2021 16:12:16) (NTS)
Copyright (c) The PHP Group
Zend Engine v4.1.1, Copyright (c) Zend Technologies
with Zend OPcache v8.1.1, Copyright (c), by Zend Technologies