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1<?php
2namespace Apie\FtpServer\Commands;
3
4use Apie\Core\Context\ApieContext;
5use Apie\FtpServer\FtpConstants;
6use Apie\FtpServer\Transfers\PasvTransfer;
7use Apie\FtpServer\Transfers\TransferInterface;
8use React\Socket\ConnectionInterface;
9
10class EpsvCommand implements CommandInterface
11{
12    public function run(ApieContext $apieContext, string $arg = ''): ApieContext
13    {
14        $conn = $apieContext->getContext(ConnectionInterface::class);
15
16        $transfer = $apieContext->getContext(TransferInterface::class, false);
17        if ($transfer instanceof PasvTransfer) {
18            $transfer->end();
19        }
20
21        $transfer = new PasvTransfer(
22            $apieContext->getContext(FtpConstants::PASV_MIN_PORT, false) ?? '49152',
23            $apieContext->getContext(FtpConstants::PASV_MAX_PORT, false) ?? '65534',
24        );
25        $address = $transfer->getAddress();
26        $port = parse_url($address, PHP_URL_PORT);
27
28        $conn->write("229 Entering Extended Passive Mode (|||$port|)\r\n");
29
30        return $apieContext->withContext(TransferInterface::class, $transfer);
31    }
32}