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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 Evenement\EventEmitter;
use React\EventLoop\Loop;
use React\EventLoop\LoopInterface;
use BadMethodCallException;
use UnexpectedValueException;

/**
 * The `SecureServer` class implements the `ServerInterface` and is responsible
 * for providing a secure TLS (formerly known as SSL) server.
 *
 * It does so by wrapping a `TcpServer` instance which waits for plaintext
 * TCP/IP connections and then performs a TLS handshake for each connection.
 *
 * ```php
 * $server = new React\Socket\TcpServer(8000);
 * $server = new React\Socket\SecureServer($server, null, array(
 *     // tls context options here…
 * ));
 * ```
 *
 * Whenever a client completes the TLS handshake, it will emit a `connection` event
 * with a connection instance implementing [`ConnectionInterface`](#connectioninterface):
 *
 * ```php
 * $server->on('connection', function (React\Socket\ConnectionInterface $connection) {
 *     echo 'Secure connection from' . $connection->getRemoteAddress() . PHP_EOL;
 *
 *     $connection->write('hello there!' . PHP_EOL);
 *     …
 * });
 * ```
 *
 * Whenever a client fails to perform a successful TLS handshake, it will emit an
 * `error` event and then close the underlying TCP/IP connection:
 *
 * ```php
 * $server->on('error', function (Exception $e) {
 *     echo 'Error' . $e->getMessage() . PHP_EOL;
 * });
 * ```
 *
 * See also the `ServerInterface` for more details.
 *
 * Note that the `SecureServer` class is a concrete implementation for TLS sockets.
 * If you want to typehint in your higher-level protocol implementation, you SHOULD
 * use the generic `ServerInterface` instead.
 *
 * @see ServerInterface
 * @see ConnectionInterface
 */
final class SecureServer extends EventEmitter implements ServerInterface
{
    private $tcp;
    private $encryption;
    private $context;

/**
     * Creates a secure TLS server and starts waiting for incoming connections
     *
     * It does so by wrapping a `TcpServer` instance which waits for plaintext
     * TCP/IP connections and then performs a TLS handshake for each connection.
     * It thus requires valid [TLS context options],
     * which in its most basic form may look something like this if you're using a
     * PEM encoded certificate file:
     *
     * ```php
     * $server = new React\Socket\TcpServer(8000);
     * $server = new React\Socket\SecureServer($server, null, array(
     *     'local_cert' => 'server.pem'
     * ));
     * ```
     *
     * Note that the certificate file will not be loaded on instantiation but when an
     * incoming connection initializes its TLS context.
     * This implies that any invalid certificate file paths or contents will only cause
     * an `error` event at a later time.
     *
     * If your private key is encrypted with a passphrase, you have to specify it
     * like this:
     *
     * ```php
     * $server = new React\Socket\TcpServer(8000);
     * $server = new React\Socket\SecureServer($server, null, array(
     *     'local_cert' => 'server.pem',
     *     'passphrase' => 'secret'
     * ));
     * ```
     *
     * Note that available [TLS context options],
     * their defaults and effects of changing these may vary depending on your system
     * and/or PHP version.
     * Passing unknown context options has no effect.
     *
     * This class takes an optional `LoopInterface|null $loop` parameter that can be used to
     * pass the event loop instance to use for this object. You can use a `null` value
     * here in order to use the [default loop](https://github.com/reactphp/event-loop#loop).
     * This value SHOULD NOT be given unless you're sure you want to explicitly use a
     * given event loop instance.
     *
     * Advanced usage: Despite allowing any `ServerInterface` as first parameter,
     * you SHOULD pass a `TcpServer` instance as first parameter, unless you
     * know what you're doing.
     * Internally, the `SecureServer` has to set the required TLS context options on
     * the underlying stream resources.
     * These resources are not exposed through any of the interfaces defined in this
     * package, but only through the internal `Connection` class.
     * The `TcpServer` class is guaranteed to emit connections that implement
     * the `ConnectionInterface` and uses the internal `Connection` class in order to
     * expose these underlying resources.
     * If you use a custom `ServerInterface` and its `connection` event does not
     * meet this requirement, the `SecureServer` will emit an `error` event and
     * then close the underlying connection.
     *
     * @param ServerInterface|TcpServer $tcp
     * @param ?LoopInterface $loop
     * @param array $context
     * @throws BadMethodCallException for legacy HHVM < 3.8 due to lack of support
     * @see TcpServer
     * @link https://www.php.net/manual/en/context.ssl.php for TLS context options
     */
    public function __construct(ServerInterface $tcp, $loop = null, array $context = array())
    {
        if ($loop !== null && !$loop instanceof LoopInterface) { // manual type check to support legacy PHP < 7.1
            throw new \InvalidArgumentException('Argument #2 ($loop) expected null|React\EventLoop\LoopInterface');
        }

if (!\function_exists('stream_socket_enable_crypto')) {
            throw new \BadMethodCallException('Encryption not supported on your platform (HHVM < 3.8?)'); // @codeCoverageIgnore
        }

// default to empty passphrase to suppress blocking passphrase prompt
        $context += array(
            'passphrase' => ''
        );

$this->tcp = $tcp;
        $this->encryption = new StreamEncryption($loop ?: Loop::get());
        $this->context = $context;

$that = $this;
        $this->tcp->on('connection', function ($connection) use ($that) {
            $that->handleConnection($connection);
        });
        $this->tcp->on('error', function ($error) use ($that) {
            $that->emit('error', array($error));
        });
    }

public function getAddress()
    {
        $address = $this->tcp->getAddress();
        if ($address === null) {
            return null;
        }

return \str_replace('tcp://' , 'tls://', $address);
    }

public function pause()
    {
        $this->tcp->pause();
    }

public function resume()
    {
        $this->tcp->resume();
    }

public function close()
    {
        return $this->tcp->close();
    }

/** @internal */
    public function handleConnection(ConnectionInterface $connection)
    {
        if (!$connection instanceof Connection) {
            $this->emit('error', array(new \UnexpectedValueException('Base server does not use internal Connection class exposing stream resource')));
            $connection->close();
            return;
        }

foreach ($this->context as $name => $value) {
            \stream_context_set_option($connection->stream, 'ssl', $name, $value);
        }

// get remote address before starting TLS handshake in case connection closes during handshake
        $remote = $connection->getRemoteAddress();
        $that = $this;

$this->encryption->enable($connection)->then(
            function ($conn) use ($that) {
                $that->emit('connection', array($conn));
            },
            function ($error) use ($that, $connection, $remote) {
                $error = new \RuntimeException(
                    'Connection from ' . $remote . ' failed during TLS handshake: ' . $error->getMessage(),
                    $error->getCode()
                );

$that->emit('error', array($error));
                $connection->close();
            }
        );
    }
}