smtp.php
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<?php
require_once "Auth.php";
require_once "SmtpClient.php";
class ProxyService
{
/**
* 连接数
* @var SmtpClient[]
*/
protected static $clients = [];
protected function push(...$params){
echo co::getCid()." => ";
echo implode(' => ',$params);
return $params;
}
/**
* @author:dc
* @time 2025/3/29 14:34
*/
public function run()
{
//创建Server对象,监听 127.0.0.1:9501 端口。
$server = new Swoole\Server(
'0.0.0.0', 9527,
SWOOLE_BASE,
SWOOLE_SOCK_TCP//|SWOOLE_SSL
);
//监听连接进入事件。
$server->on('Connect', function ($server, $fd) {
$server->send($fd, "220 proxy client ok\r\n");
});
//监听数据接收事件。
$server->on('Receive', function ($server, $fd, $reactor_id, $data) {
// echo "in ".co::getCid()." ==> ".$data."\n";
// 建立连接
if (empty(self::$clients[$fd])) {
try {
$auth = new Auth($data);
}catch (Throwable $e){
$server->send($fd, $e->getMessage());
$server->close($fd,true);
return;
}
// 创建一个客户端
self::$clients[$fd] = new SmtpClient($auth->host);
// 连接客户端
try {
self::$clients[$fd]->open($auth->out_ip, $auth->timeOut);
}catch (Throwable $e){
$server->send($fd, '500 ' . $e->getMessage()."\r\n");
$server->close($fd,true);
return;
}
$line = self::$clients[$fd]->readLine();
if($line) $server->send($fd,$line);
// 发送成功消息
// $server->send($fd, "200 OK The proxy server is successfully connected.\r\n");
} // 正式请求转发
else {
// 没有连接成功
if(empty(self::$clients[$fd])){
$server->send($fd, "500 No proxy server.\r\n");
$server->close($fd,true);
return;
}
try {
// 请求数据
self::$clients[$fd]->write($data);
$line = self::$clients[$fd]->readLine();
}catch (Throwable $e){
echo date('Y-m-d H:i:s').' 协程读取异常 ' .$data." ::".$e->getMessage()."\n";
}
// echo 'out '.co::getCid()." => ".$line;
if($line!==false) $server->send($fd,$line);
}
});
//监听连接关闭事件。
$server->on('Close', function ($server, $fd) {
// echo '连接关闭了 => '.$fd."\n";
// 关闭并释放资源
self::$clients[$fd] = null;
unset(self::$clients[$fd]);
});
//启动服务器
$server->start();
}
}
(new ProxyService())->run();