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https://github.com/ProxyPanel/ProxyPanel.git
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210 lines
7.2 KiB
PHP
210 lines
7.2 KiB
PHP
<?php
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namespace App\Console\Commands;
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use App\Components\Helpers;
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use Illuminate\Console\Command;
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use App\Components\ServerChan;
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use App\Http\Models\SsNode;
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use App\Http\Models\SsNodeInfo;
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use App\Mail\nodeCrashWarning;
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use Cache;
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use Mail;
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use Log;
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class AutoCheckNodeTCP extends Command
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{
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protected $signature = 'autoCheckNodeTCP';
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protected $description = '自动检测节点是否被TCP阻断';
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protected static $systemConfig;
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public function __construct()
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{
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parent::__construct();
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self::$systemConfig = Helpers::systemConfig();
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}
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public function handle()
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{
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$jobStartTime = microtime(true);
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if (self::$systemConfig['is_tcp_check']) {
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if (!Cache::has('tcp_check_time')) {
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$this->checkNodes();
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} elseif (Cache::get('tcp_check_time') <= time()) {
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$this->checkNodes();
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} else {
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Log::info('下次节点TCP阻断检测时间：' . date('Y-m-d H:i:s', Cache::get('tcp_check_time')));
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}
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}
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$jobEndTime = microtime(true);
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$jobUsedTime = round(($jobEndTime - $jobStartTime), 4);
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Log::info('执行定时任务【' . $this->description . '】，耗时' . $jobUsedTime . '秒');
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}
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// 监测节点状态
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private function checkNodes()
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{
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$title = "节点异常警告";
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$nodeList = SsNode::query()->where('is_transit', 0)->where('is_nat', 0)->where('status', 1)->where('is_tcp_check', 1)->get();
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foreach ($nodeList as $node) {
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$tcpCheck = $this->tcpCheck($node->ip);
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if (false !== $tcpCheck) {
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switch ($tcpCheck) {
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case 1:
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$text = '服务器宕机';
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break;
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case 2:
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$text = '海外不通';
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break;
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case 3:
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$text = 'TCP阻断';
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break;
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case 0:
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default:
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$text = '正常';
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}
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// 异常才发通知消息
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if ($tcpCheck) {
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if (self::$systemConfig['tcp_check_warning_times']) {
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// 已通知次数
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$cacheKey = 'tcp_check_warning_times_' . $node->id;
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if (Cache::has($cacheKey)) {
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$times = Cache::get($cacheKey);
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} else {
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Cache::put($cacheKey, 1, 725); // 最多设置提醒12次，12*60=720分钟缓存时效，多5分钟防止异常
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$times = 1;
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}
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if ($times < self::$systemConfig['tcp_check_warning_times']) {
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Cache::increment($cacheKey);
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$this->notifyMaster($title, "节点**{$node->name}【{$node->ip}】**：**" . $text . "**", $node->name, $node->server);
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} elseif ($times >= self::$systemConfig['tcp_check_warning_times']) {
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Cache::forget($cacheKey);
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SsNode::query()->where('id', $node->id)->update(['status' => 0]);
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$this->notifyMaster($title, "节点**{$node->name}【{$node->ip}】**：**" . $text . "**，节点自动进入维护状态", $node->name, $node->server);
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}
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} else {
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$this->notifyMaster($title, "节点**{$node->name}【{$node->ip}】**：**" . $text . "**", $node->name, $node->server);
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}
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}
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Log::info("【TCP阻断检测】" . $node->name . ' - ' . $node->ip . ' - ' . $text);
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}
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}
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// 随机生成下次检测时间
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$nextCheckTime = time() + mt_rand(1800, 3600);
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Cache::put('tcp_check_time', $nextCheckTime, 60);
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}
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/**
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* 用ipcheck.need.sh进行TCP阻断检测
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*
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* @param string $ip 被检测的IP
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*
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* @return bool|int
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*/
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private function tcpCheck($ip)
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{
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try {
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$url = 'https://ipcheck.need.sh/api_v2.php?ip=' . $ip;
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$ret = $this->curlRequest($url);
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$ret = json_decode($ret);
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if (!$ret || $ret->result != 'success') {
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Log::warning("【TCP阻断检测】检测" . $ip . "时，接口返回异常");
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return false;
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}
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} catch (\Exception $e) {
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Log::warning("【TCP阻断检测】检测" . $ip . "时，接口请求超时");
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return false;
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}
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if (!$ret->data->inside_gfw->tcp->alive && !$ret->data->outside_gfw->tcp->alive) {
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return 1; // 服务器宕机或者检测接口挂了
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} elseif ($ret->data->inside_gfw->tcp->alive && !$ret->data->outside_gfw->tcp->alive) {
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return 2; // 国外访问异常
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} elseif (!$ret->data->inside_gfw->tcp->alive && $ret->data->outside_gfw->tcp->alive) {
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return 3; // 被墙
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} else {
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return 0; // 正常
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}
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}
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/**
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* 通知管理员
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*
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* @param string $title 消息标题
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* @param string $content 消息内容
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* @param string $nodeName 节点名称
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* @param string $nodeServer 节点域名
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*
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* @throws \GuzzleHttp\Exception\GuzzleException
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*/
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private function notifyMaster($title, $content, $nodeName, $nodeServer)
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{
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$this->notifyMasterByEmail($title, $content, $nodeName, $nodeServer);
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ServerChan::send($title, $content);
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}
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/**
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* 发邮件通知管理员
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*
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* @param string $title 消息标题
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* @param string $content 消息内容
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* @param string $nodeName 节点名称
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* @param string $nodeServer 节点域名
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*/
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private function notifyMasterByEmail($title, $content, $nodeName, $nodeServer)
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{
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if (self::$systemConfig['crash_warning_email']) {
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$logId = Helpers::addEmailLog(self::$systemConfig['crash_warning_email'], $title, $content);
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Mail::to(self::$systemConfig['crash_warning_email'])->send(new nodeCrashWarning($logId, $nodeName, $nodeServer));
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}
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}
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/**
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* 发起一个CURL请求
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*
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* @param string $url 请求地址
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* @param array $data POST数据，留空则为GET
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*
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* @return mixed
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*/
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private function curlRequest($url, $data = [])
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{
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$data = json_encode($data, JSON_UNESCAPED_UNICODE);
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_TIMEOUT, 10);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
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curl_setopt($ch, CURLOPT_URL, $url);
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// curl_setopt($ch, CURLOPT_HTTPHEADER, [
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// 'Accept: application/json', // 请求报头
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// 'Content-Type: application/json', // 实体报头
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// 'Content-Length: ' . strlen($data)
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// ]);
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// 如果data有数据，则用POST请求
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if ($data) {
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curl_setopt($ch, CURLOPT_POST, 1);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
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}
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$result = curl_exec($ch);
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curl_close($ch);
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return $result;
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}
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}
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