Files
ProxyPanel/app/Components/NetworkDetection.php
2020-11-07 09:37:45 +08:00

105 lines
3.2 KiB
PHP

<?php
namespace App\Components;
use Cache;
use Http;
use Log;
class NetworkDetection
{
/**
* 用api.50network.com进行节点阻断检测.
*
* @param string $ip 被检测的IP
* @param bool $type TRUE 为ICMP,FALSE 为tcp
* @param int|null $port 检测端口,默认为空
*
* @return bool|string
*/
public static function networkCheck(string $ip, bool $type, $port = null)
{
$cacheKey = 'network_times_'.md5($ip);
if (Cache::has($cacheKey)) {
Cache::decrement($cacheKey);
} else {
Cache::put($cacheKey, 2, Day); // 24小时
}
$url = 'https://api.50network.com/china-firewall/check/ip/'.($type ? 'icmp/' : ($port ? 'tcp_port/' : 'tcp_ack/')).$ip.($port ? '/'.$port : '');
$checkName = $type ? 'ICMP' : 'TCP';
$response = Http::timeout(15)->get($url);
if ($response->ok()) {
$message = $response->json();
if (! $message) {
Log::warning('【'.$checkName.'阻断检测】检测'.$ip.'时,接口返回异常访问链接:'.$url);
return false;
}
if (! $message['success']) {
if ($message['error'] === 'execute timeout (3s)') {
sleep(10);
if (Cache::get($cacheKey) < 0) {
Log::warning('【'.$checkName.'阻断检测】检测'.$ip.$port.'时,重复请求后无结果,最后返回'.$message['error']);
return false;
}
return self::networkCheck($ip, $type, $port);
}
Log::warning('【'.$checkName.'阻断检测】检测'.$ip.$port.'时,返回'.var_export($message, true));
return false;
}
if ($message['firewall-enable'] && $message['firewall-disable']) {
return '通讯正常'; // 正常
}
if ($message['firewall-enable'] && ! $message['firewall-disable']) {
return '海外阻断'; // 国外访问异常
}
if (! $message['firewall-enable'] && $message['firewall-disable']) {
return '国内阻断'; // 被墙
}
return '机器宕机'; // 服务器宕机
}
return false;
}
/**
* 用外部API进行Ping检测.
*
* @param string $ip 被检测的IP或者域名
*
* @return bool|array
*/
public static function ping(string $ip)
{
$url = 'https://api.oioweb.cn/api/hostping.php?host='.$ip; // https://api.iiwl.cc/api/ping.php?host=
$response = Http::timeout(15)->retry(2)->get($url);
// 发送成功
if ($response->ok()) {
$message = $response->json();
if ($message && $message['code']) {
return $message['data'];
}
// 发送失败
Log::warning('【PING】检测'.$ip.'时,返回'.var_export($message, true));
return false;
}
Log::warning('【PING】检测'.$ip.'时,接口返回异常访问链接:'.$url);
// 发送错误
return false;
}
}