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David Stone
2024-11-30 18:24:12 -07:00
commit e8f7955c1c
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149
dependencies/amphp/http-client/src/Connection/DefaultConnectionFactory.php vendored Normal file
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<?php
namespace WP_Ultimo\Dependencies\Amp\Http\Client\Connection;
use WP_Ultimo\Dependencies\Amp\ByteStream\StreamException;
use WP_Ultimo\Dependencies\Amp\CancellationToken;
use WP_Ultimo\Dependencies\Amp\CancelledException;
use WP_Ultimo\Dependencies\Amp\CombinedCancellationToken;
use WP_Ultimo\Dependencies\Amp\Http\Client\InvalidRequestException;
use WP_Ultimo\Dependencies\Amp\Http\Client\Request;
use WP_Ultimo\Dependencies\Amp\Http\Client\SocketException;
use WP_Ultimo\Dependencies\Amp\Http\Client\TimeoutException;
use WP_Ultimo\Dependencies\Amp\Promise;
use WP_Ultimo\Dependencies\Amp\Socket;
use WP_Ultimo\Dependencies\Amp\Socket\ClientTlsContext;
use WP_Ultimo\Dependencies\Amp\Socket\ConnectContext;
use WP_Ultimo\Dependencies\Amp\Socket\Connector;
use WP_Ultimo\Dependencies\Amp\Socket\EncryptableSocket;
use WP_Ultimo\Dependencies\Amp\TimeoutCancellationToken;
use function WP_Ultimo\Dependencies\Amp\call;
use function WP_Ultimo\Dependencies\Amp\Socket\connector;
final class DefaultConnectionFactory implements ConnectionFactory
{
/** @var Connector|null */
private $connector;
/** @var ConnectContext|null */
private $connectContext;
public function __construct(?Connector $connector = null, ?ConnectContext $connectContext = null)
{
$this->connector = $connector;
$this->connectContext = $connectContext;
}
public function create(Request $request, CancellationToken $cancellationToken) : Promise
{
return call(function () use($request, $cancellationToken) {
foreach ($request->getEventListeners() as $eventListener) {
(yield $eventListener->startConnectionCreation($request));
}
$connector = $this->connector ?? connector();
$connectContext = $this->connectContext ?? new ConnectContext();
$uri = $request->getUri();
$scheme = $uri->getScheme();
if (!\in_array($scheme, ['http', 'https'], \true)) {
throw new InvalidRequestException($request, 'Invalid scheme provided in the request URI: ' . $uri);
}
$isHttps = $scheme === 'https';
$defaultPort = $isHttps ? 443 : 80;
$host = $uri->getHost();
$port = $uri->getPort() ?? $defaultPort;
if ($host === '') {
throw new InvalidRequestException($request, 'A host must be provided in the request URI: ' . $uri);
}
$authority = $host . ':' . $port;
$protocolVersions = $request->getProtocolVersions();
$isConnect = $request->getMethod() === 'CONNECT';
if ($isHttps) {
$protocols = [];
if (!$isConnect && \in_array('2', $protocolVersions, \true)) {
$protocols[] = 'h2';
}
if (\in_array('1.1', $protocolVersions, \true) || \in_array('1.0', $protocolVersions, \true)) {
$protocols[] = 'http/1.1';
}
if (!$protocols) {
throw new InvalidRequestException($request, \sprintf("None of the requested protocol versions (%s) are supported by %s (HTTP/2 is only supported on HTTPS)", \implode(', ', $protocolVersions), self::class));
}
$tlsContext = ($connectContext->getTlsContext() ?? new ClientTlsContext(''))->withPeerCapturing();
// If we only have HTTP/1.1 available, don't set application layer protocols.
// There are misbehaving sites like n11.com, see https://github.com/amphp/http-client/issues/255
if ($protocols !== ['http/1.1'] && Socket\hasTlsAlpnSupport()) {
$tlsContext = $tlsContext->withApplicationLayerProtocols($protocols);
}
if ($tlsContext->getPeerName() === '') {
$tlsContext = $tlsContext->withPeerName($host);
}
$connectContext = $connectContext->withTlsContext($tlsContext);
}
try {
/** @var EncryptableSocket $socket */
$socket = (yield $connector->connect('tcp://' . $authority, $connectContext->withConnectTimeout($request->getTcpConnectTimeout()), $cancellationToken));
} catch (Socket\ConnectException $e) {
throw new UnprocessedRequestException(new SocketException(\sprintf("Connection to '%s' failed", $authority), 0, $e));
} catch (CancelledException $e) {
// In case of a user cancellation request, throw the expected exception
$cancellationToken->throwIfRequested();
// Otherwise we ran into a timeout of our TimeoutCancellationToken
throw new UnprocessedRequestException(new TimeoutException(\sprintf("Connection to '%s' timed out, took longer than " . $request->getTcpConnectTimeout() . ' ms', $authority)));
// don't pass $e
}
if ($isHttps) {
try {
$tlsState = $socket->getTlsState();
// Error if anything enabled TLS on a new connection before we can do it
if ($tlsState !== EncryptableSocket::TLS_STATE_DISABLED) {
$socket->close();
throw new UnprocessedRequestException(new SocketException('Failed to setup TLS connection, connection was in an unexpected TLS state (' . $tlsState . ')'));
}
foreach ($request->getEventListeners() as $eventListener) {
(yield $eventListener->startTlsNegotiation($request));
}
$tlsCancellationToken = new CombinedCancellationToken($cancellationToken, new TimeoutCancellationToken($request->getTlsHandshakeTimeout()));
(yield $socket->setupTls($tlsCancellationToken));
foreach ($request->getEventListeners() as $eventListener) {
(yield $eventListener->completeTlsNegotiation($request));
}
} catch (StreamException $exception) {
$socket->close();
throw new UnprocessedRequestException(new SocketException(\sprintf("Connection to '%s' @ '%s' closed during TLS handshake", $authority, $socket->getRemoteAddress()->toString()), 0, $exception));
} catch (CancelledException $e) {
$socket->close();
// In case of a user cancellation request, throw the expected exception
$cancellationToken->throwIfRequested();
// Otherwise we ran into a timeout of our TimeoutCancellationToken
throw new UnprocessedRequestException(new TimeoutException(\sprintf("TLS handshake with '%s' @ '%s' timed out, took longer than " . $request->getTlsHandshakeTimeout() . ' ms', $authority, $socket->getRemoteAddress()->toString())));
// don't pass $e
}
$tlsInfo = $socket->getTlsInfo();
if ($tlsInfo === null) {
throw new UnprocessedRequestException(new SocketException(\sprintf("Socket closed after TLS handshake with '%s' @ '%s'", $authority, $socket->getRemoteAddress()->toString())));
}
if ($tlsInfo->getApplicationLayerProtocol() === 'h2') {
$http2Connection = new Http2Connection($socket);
(yield $http2Connection->initialize());
foreach ($request->getEventListeners() as $eventListener) {
(yield $eventListener->completeConnectionCreation($request));
}
return $http2Connection;
}
}
// Treat the presence of only HTTP/2 as prior knowledge, see https://http2.github.io/http2-spec/#known-http
if ($request->getProtocolVersions() === ['2']) {
$http2Connection = new Http2Connection($socket);
(yield $http2Connection->initialize());
foreach ($request->getEventListeners() as $eventListener) {
(yield $eventListener->completeConnectionCreation($request));
}
return $http2Connection;
}
if (!\array_intersect($request->getProtocolVersions(), ['1.0', '1.1'])) {
$socket->close();
throw new InvalidRequestException($request, \sprintf("None of the requested protocol versions (%s) are supported by '%s' @ '%s'", \implode(', ', $protocolVersions), $authority, $socket->getRemoteAddress()->toString()));
}
foreach ($request->getEventListeners() as $eventListener) {
(yield $eventListener->completeConnectionCreation($request));
}
return new Http1Connection($socket);
});
}
}