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<?php |
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namespace SamIT\Proxy; |
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use React\Dns\Resolver\Factory; |
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use React\Dns\Resolver\Resolver; |
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use React\EventLoop\LoopInterface; |
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use React\Socket\Connection; |
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/** |
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* Class Server |
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* A server that receives proxy connections. |
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* If no proxy header is received within 5 seconds after connection opening than the connection is closed. |
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* The `connection` event is only triggered after receiving the header. |
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* @package SamIT\Proxy |
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* @event connection When an new connection has been fully set up (ie a proxy header was received). |
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* @emits proxytimeout When a new connection failed to send a proxy header within 5 seconds after opening the connection. |
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*/ |
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class Server extends \React\Socket\Server |
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{ |
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private $loop; |
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public function __construct(LoopInterface $loop) |
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{ |
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$this->loop = $loop; |
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parent::__construct($loop); |
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} |
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/** |
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* Handle the connection. We only emit the connection event after the proper header was received. |
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* @param $socket |
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*/ |
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public function handleConnection($socket) |
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{ |
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stream_set_blocking($socket, 0); |
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$client = $this->createConnection($socket); |
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$timer = $this->loop->addTimer(5, function() use ($client) { |
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$client->removeAllListeners('init'); |
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$client->end('Timeout waiting for PROXY header.'); |
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$this->emit('proxytimeout', [new Connection($client->stream, $this->loop)]); |
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}); |
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$client->on('init', function($connection) use ($client, $timer) { |
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$timer->cancel(); |
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$this->emit('connection', [$connection]); |
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}); |
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} |
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/** |
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* @param $socket |
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* @return ProxyConnection |
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*/ |
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public function createConnection($socket) |
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{ |
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return new ProxyConnection($socket, $this->loop); |
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} |
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} |
SAM-IT /
php-proxy-protocol
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