Shell Bypass 403 GE-C666C

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Directory >> /var/www/html/back/vendor/react/socket/src/

File / Folder	Size	Action
.	-
Connection.php	5.863KB	edt ren
ConnectionInterface.php	4.321KB	edt ren
Connector.php	7.798KB	edt ren
ConnectorInterface.php	2.041KB	edt ren
DnsConnector.php	4.942KB	edt ren
FdServer.php	7.349KB	edt ren
FixedUriConnector.php	1.042KB	edt ren
HappyEyeBallsConnection...	11.522KB	edt ren
HappyEyeBallsConnector.php	2.833KB	edt ren
LimitingServer.php	6.469KB	edt ren
SecureConnector.php	5.1KB	edt ren
SecureServer.php	7.563KB	edt ren
Server.php	3.664KB	edt ren
ServerInterface.php	5.146KB	edt ren
SocketServer.php	8.729KB	edt ren
StreamEncryption.php	5.156KB	edt ren
TcpConnector.php	7.132KB	edt ren
TcpServer.php	8.812KB	edt ren
TimeoutConnector.php	2.802KB	edt ren
UnixConnector.php	1.658KB	edt ren
UnixServer.php	5.025KB	edt ren

<?php

namespace React\Socket;

use React\Dns\Resolver\ResolverInterface;
use React\Promise;
use React\Promise\PromiseInterface;

final class DnsConnector implements ConnectorInterface
{
    private $connector;
    private $resolver;

public function __construct(ConnectorInterface $connector, ResolverInterface $resolver)
    {
        $this->connector = $connector;
        $this->resolver = $resolver;
    }

public function connect($uri)
    {
        $original = $uri;
        if (\strpos($uri, '://') === false) {
            $uri = 'tcp://' . $uri;
            $parts = \parse_url($uri);
            if (isset($parts['scheme'])) {
                unset($parts['scheme']);
            }
        } else {
            $parts = \parse_url($uri);
        }

if (!$parts || !isset($parts['host'])) {
            return Promise\reject(new \InvalidArgumentException(
                'Given URI "' . $original . '" is invalid (EINVAL)',
                \defined('SOCKET_EINVAL') ? \SOCKET_EINVAL : (\defined('PCNTL_EINVAL') ? \PCNTL_EINVAL : 22)
            ));
        }

$host = \trim($parts['host'], '[]');
        $connector = $this->connector;

// skip DNS lookup / URI manipulation if this URI already contains an IP
        if (@\inet_pton($host) !== false) {
            return $connector->connect($original);
        }

$promise = $this->resolver->resolve($host);
        $resolved = null;

return new Promise\Promise(
            function ($resolve, $reject) use (&$promise, &$resolved, $uri, $connector, $host, $parts) {
                // resolve/reject with result of DNS lookup
                $promise->then(function ($ip) use (&$promise, &$resolved, $uri, $connector, $host, $parts) {
                    $resolved = $ip;

return $promise = $connector->connect(
                        Connector::uri($parts, $host, $ip)
                    )->then(null, function (\Exception $e) use ($uri) {
                        if ($e instanceof \RuntimeException) {
                            $message = \preg_replace('/^(Connection to [^ ]+)[&?]hostname=[^ &]+/', '$1', $e->getMessage());
                            $e = new \RuntimeException(
                                'Connection to ' . $uri . ' failed: ' . $message,
                                $e->getCode(),
                                $e
                            );

// avoid garbage references by replacing all closures in call stack.
                            // what a lovely piece of code!
                            $r = new \ReflectionProperty('Exception', 'trace');
                            if (\PHP_VERSION_ID < 80100) {
                                $r->setAccessible(true);
                            }
                            $trace = $r->getValue($e);

// Exception trace arguments are not available on some PHP 7.4 installs
                            // @codeCoverageIgnoreStart
                            foreach ($trace as $ti => $one) {
                                if (isset($one['args'])) {
                                    foreach ($one['args'] as $ai => $arg) {
                                        if ($arg instanceof \Closure) {
                                            $trace[$ti]['args'][$ai] = 'Object(' . \get_class($arg) . ')';
                                        }
                                    }
                                }
                            }
                            // @codeCoverageIgnoreEnd
                            $r->setValue($e, $trace);
                        }

throw $e;
                    });
                }, function ($e) use ($uri, $reject) {
                    $reject(new \RuntimeException('Connection to ' . $uri .' failed during DNS lookup: ' . $e->getMessage(), 0, $e));
                })->then($resolve, $reject);
            },
            function ($_, $reject) use (&$promise, &$resolved, $uri) {
                // cancellation should reject connection attempt
                // reject DNS resolution with custom reason, otherwise rely on connection cancellation below
                if ($resolved === null) {
                    $reject(new \RuntimeException(
                        'Connection to ' . $uri . ' cancelled during DNS lookup (ECONNABORTED)',
                        \defined('SOCKET_ECONNABORTED') ? \SOCKET_ECONNABORTED : 103
                    ));
                }

// (try to) cancel pending DNS lookup / connection attempt
                if ($promise instanceof PromiseInterface && \method_exists($promise, 'cancel')) {
                    // overwrite callback arguments for PHP7+ only, so they do not show
                    // up in the Exception trace and do not cause a possible cyclic reference.
                    $_ = $reject = null;

$promise->cancel();
                    $promise = null;
                }
            }
        );
    }
}