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<?php
namespace RectorPrefix202410\React\Socket;
use RectorPrefix202410\React\Dns\Config\Config as DnsConfig;
use RectorPrefix202410\React\Dns\Resolver\Factory as DnsFactory;
use RectorPrefix202410\React\Dns\Resolver\ResolverInterface;
use RectorPrefix202410\React\EventLoop\LoopInterface;
/**
* The `Connector` class is the main class in this package that implements the
* `ConnectorInterface` and allows you to create streaming connections.
*
* You can use this connector to create any kind of streaming connections, such
* as plaintext TCP/IP, secure TLS or local Unix connection streams.
*
* Under the hood, the `Connector` is implemented as a *higher-level facade*
* for the lower-level connectors implemented in this package. This means it
* also shares all of their features and implementation details.
* If you want to typehint in your higher-level protocol implementation, you SHOULD
* use the generic [`ConnectorInterface`](#connectorinterface) instead.
*
* @see ConnectorInterface for the base interface
*/
final class Connector implements ConnectorInterface
{
private $connectors = array();
/**
* Instantiate new `Connector`
*
* ```php
* $connector = new React\Socket\Connector();
* ```
*
* This class takes two optional arguments for more advanced usage:
*
* ```php
* // constructor signature as of v1.9.0
* $connector = new React\Socket\Connector(array $context = [], ?LoopInterface $loop = null);
*
* // legacy constructor signature before v1.9.0
* $connector = new React\Socket\Connector(?LoopInterface $loop = null, array $context = []);
* ```
*
* 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.
*
* @param array|LoopInterface|null $context
* @param null|LoopInterface|array $loop
* @throws \InvalidArgumentException for invalid arguments
*/
public function __construct($context = array(), $loop = null)
{
// swap arguments for legacy constructor signature
if (($context instanceof LoopInterface || $context === null) && (\func_num_args() <= 1 || \is_array($loop))) {
$swap = $loop === null ? array() : $loop;
$loop = $context;
$context = $swap;
}
if (!\is_array($context) || $loop !== null && !$loop instanceof LoopInterface) {
throw new \InvalidArgumentException('Expected "array $context" and "?LoopInterface $loop" arguments');
}
// apply default options if not explicitly given
$context += array('tcp' => \true, 'tls' => \true, 'unix' => \true, 'dns' => \true, 'timeout' => \true, 'happy_eyeballs' => \true);
if ($context['timeout'] === \true) {
$context['timeout'] = (float) \ini_get("default_socket_timeout");
}
if ($context['tcp'] instanceof ConnectorInterface) {
$tcp = $context['tcp'];
} else {
$tcp = new TcpConnector($loop, \is_array($context['tcp']) ? $context['tcp'] : array());
}
if ($context['dns'] !== \false) {
if ($context['dns'] instanceof ResolverInterface) {
$resolver = $context['dns'];
} else {
if ($context['dns'] !== \true) {
$config = $context['dns'];
} else {
// try to load nameservers from system config or default to Google's public DNS
$config = DnsConfig::loadSystemConfigBlocking();
if (!$config->nameservers) {
$config->nameservers[] = '8.8.8.8';
// @codeCoverageIgnore
}
}
$factory = new DnsFactory();
$resolver = $factory->createCached($config, $loop);
}
if ($context['happy_eyeballs'] === \true) {
$tcp = new HappyEyeBallsConnector($loop, $tcp, $resolver);
} else {
$tcp = new DnsConnector($tcp, $resolver);
}
}
if ($context['tcp'] !== \false) {
$context['tcp'] = $tcp;
if ($context['timeout'] !== \false) {
$context['tcp'] = new TimeoutConnector($context['tcp'], $context['timeout'], $loop);
}
$this->connectors['tcp'] = $context['tcp'];
}
if ($context['tls'] !== \false) {
if (!$context['tls'] instanceof ConnectorInterface) {
$context['tls'] = new SecureConnector($tcp, $loop, \is_array($context['tls']) ? $context['tls'] : array());
}
if ($context['timeout'] !== \false) {
$context['tls'] = new TimeoutConnector($context['tls'], $context['timeout'], $loop);
}
$this->connectors['tls'] = $context['tls'];
}
if ($context['unix'] !== \false) {
if (!$context['unix'] instanceof ConnectorInterface) {
$context['unix'] = new UnixConnector($loop);
}
$this->connectors['unix'] = $context['unix'];
}
}
public function connect($uri)
{
$scheme = 'tcp';
if (\strpos($uri, '://') !== \false) {
$scheme = (string) \substr($uri, 0, \strpos($uri, '://'));
}
if (!isset($this->connectors[$scheme])) {
return \RectorPrefix202410\React\Promise\reject(new \RuntimeException('No connector available for URI scheme "' . $scheme . '" (EINVAL)', \defined('SOCKET_EINVAL') ? \SOCKET_EINVAL : (\defined('PCNTL_EINVAL') ? \PCNTL_EINVAL : 22)));
}
return $this->connectors[$scheme]->connect($uri);
}
/**
* [internal] Builds on URI from the given URI parts and ip address with original hostname as query
*
* @param array $parts
* @param string $host
* @param string $ip
* @return string
* @internal
*/
public static function uri(array $parts, $host, $ip)
{
$uri = '';
// prepend original scheme if known
if (isset($parts['scheme'])) {
$uri .= $parts['scheme'] . '://';
}
if (\strpos($ip, ':') !== \false) {
// enclose IPv6 addresses in square brackets before appending port
$uri .= '[' . $ip . ']';
} else {
$uri .= $ip;
}
// append original port if known
if (isset($parts['port'])) {
$uri .= ':' . $parts['port'];
}
// append orignal path if known
if (isset($parts['path'])) {
$uri .= $parts['path'];
}
// append original query if known
if (isset($parts['query'])) {
$uri .= '?' . $parts['query'];
}
// append original hostname as query if resolved via DNS and if
// destination URI does not contain "hostname" query param already
$args = array();
\parse_str(isset($parts['query']) ? $parts['query'] : '', $args);
if ($host !== $ip && !isset($args['hostname'])) {
$uri .= (isset($parts['query']) ? '&' : '?') . 'hostname=' . \rawurlencode($host);
}
// append original fragment if known
if (isset($parts['fragment'])) {
$uri .= '#' . $parts['fragment'];
}
return $uri;
}
}