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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpClient;
use GuzzleHttp\Promise\Promise as GuzzlePromise;
use GuzzleHttp\Promise\RejectedPromise;
use Http\Client\Exception\NetworkException;
use Http\Client\Exception\RequestException;
use Http\Client\HttpAsyncClient;
use Http\Client\HttpClient as HttplugInterface;
use Http\Discovery\Exception\NotFoundException;
use Http\Discovery\Psr17FactoryDiscovery;
use Http\Message\RequestFactory;
use Http\Message\StreamFactory;
use Http\Message\UriFactory;
use Http\Promise\Promise;
use Nyholm\Psr7\Factory\Psr17Factory;
use Nyholm\Psr7\Request;
use Nyholm\Psr7\Uri;
use Psr\Http\Message\RequestFactoryInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseFactoryInterface;
use Psr\Http\Message\ResponseInterface as Psr7ResponseInterface;
use Psr\Http\Message\StreamFactoryInterface;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UriFactoryInterface;
use Psr\Http\Message\UriInterface;
use Symfony\Component\HttpClient\Internal\HttplugWaitLoop;
use Symfony\Component\HttpClient\Response\HttplugPromise;
use Symfony\Contracts\HttpClient\Exception\TransportExceptionInterface;
use Symfony\Contracts\HttpClient\HttpClientInterface;
use Symfony\Contracts\HttpClient\ResponseInterface;
if (!interface_exists(HttplugInterface::class)) {
throw new \LogicException('You cannot use "Symfony\Component\HttpClient\HttplugClient" as the "php-http/httplug" package is not installed. Try running "composer require php-http/httplug".');
}
if (!interface_exists(RequestFactory::class)) {
throw new \LogicException('You cannot use "Symfony\Component\HttpClient\HttplugClient" as the "php-http/message-factory" package is not installed. Try running "composer require nyholm/psr7".');
}
/**
* An adapter to turn a Symfony HttpClientInterface into an Httplug client.
*
* Run "composer require nyholm/psr7" to install an efficient implementation of response
* and stream factories with flex-provided autowiring aliases.
*
* @author Nicolas Grekas <p@tchwork.com>
*/
final class HttplugClient implements HttplugInterface, HttpAsyncClient, RequestFactory, StreamFactory, UriFactory
{
private $client;
private $responseFactory;
private $streamFactory;
private $promisePool;
private $waitLoop;
public function __construct(HttpClientInterface $client = null, ResponseFactoryInterface $responseFactory = null, StreamFactoryInterface $streamFactory = null)
{
$this->client = $client ?? HttpClient::create();
$this->responseFactory = $responseFactory;
$this->streamFactory = $streamFactory ?? ($responseFactory instanceof StreamFactoryInterface ? $responseFactory : null);
$this->promisePool = \function_exists('GuzzleHttp\Promise\queue') ? new \SplObjectStorage() : null;
if (null === $this->responseFactory || null === $this->streamFactory) {
if (!class_exists(Psr17Factory::class) && !class_exists(Psr17FactoryDiscovery::class)) {
throw new \LogicException('You cannot use the "Symfony\Component\HttpClient\HttplugClient" as no PSR-17 factories have been provided. Try running "composer require nyholm/psr7".');
}
try {
$psr17Factory = class_exists(Psr17Factory::class, false) ? new Psr17Factory() : null;
$this->responseFactory = $this->responseFactory ?? $psr17Factory ?? Psr17FactoryDiscovery::findResponseFactory();
$this->streamFactory = $this->streamFactory ?? $psr17Factory ?? Psr17FactoryDiscovery::findStreamFactory();
} catch (NotFoundException $e) {
throw new \LogicException('You cannot use the "Symfony\Component\HttpClient\HttplugClient" as no PSR-17 factories have been found. Try running "composer require nyholm/psr7".', 0, $e);
}
}
$this->waitLoop = new HttplugWaitLoop($this->client, $this->promisePool, $this->responseFactory, $this->streamFactory);
}
/**
* {@inheritdoc}
*/
public function sendRequest(RequestInterface $request): Psr7ResponseInterface
{
try {
return $this->waitLoop->createPsr7Response($this->sendPsr7Request($request));
} catch (TransportExceptionInterface $e) {
throw new NetworkException($e->getMessage(), $request, $e);
}
}
/**
* {@inheritdoc}
*
* @return HttplugPromise
*/
public function sendAsyncRequest(RequestInterface $request): Promise
{
if (!$promisePool = $this->promisePool) {
throw new \LogicException(sprintf('You cannot use "%s()" as the "guzzlehttp/promises" package is not installed. Try running "composer require guzzlehttp/promises".', __METHOD__));
}
try {
$response = $this->sendPsr7Request($request, true);
} catch (NetworkException $e) {
return new HttplugPromise(new RejectedPromise($e));
}
$waitLoop = $this->waitLoop;
$promise = new GuzzlePromise(static function () use ($response, $waitLoop) {
$waitLoop->wait($response);
}, static function () use ($response, $promisePool) {
$response->cancel();
unset($promisePool[$response]);
});
$promisePool[$response] = [$request, $promise];
return new HttplugPromise($promise);
}
/**
* Resolves pending promises that complete before the timeouts are reached.
*
* When $maxDuration is null and $idleTimeout is reached, promises are rejected.
*
* @return int The number of remaining pending promises
*/
public function wait(float $maxDuration = null, float $idleTimeout = null): int
{
return $this->waitLoop->wait(null, $maxDuration, $idleTimeout);
}
/**
* {@inheritdoc}
*/
public function createRequest($method, $uri, array $headers = [], $body = null, $protocolVersion = '1.1'): RequestInterface
{
if ($this->responseFactory instanceof RequestFactoryInterface) {
$request = $this->responseFactory->createRequest($method, $uri);
} elseif (class_exists(Request::class)) {
$request = new Request($method, $uri);
} elseif (class_exists(Psr17FactoryDiscovery::class)) {
$request = Psr17FactoryDiscovery::findRequestFactory()->createRequest($method, $uri);
} else {
throw new \LogicException(sprintf('You cannot use "%s()" as the "nyholm/psr7" package is not installed. Try running "composer require nyholm/psr7".', __METHOD__));
}
$request = $request
->withProtocolVersion($protocolVersion)
->withBody($this->createStream($body))
;
foreach ($headers as $name => $value) {
$request = $request->withAddedHeader($name, $value);
}
return $request;
}
/**
* {@inheritdoc}
*/
public function createStream($body = null): StreamInterface
{
if ($body instanceof StreamInterface) {
return $body;
}
if (\is_string($body ?? '')) {
$stream = $this->streamFactory->createStream($body ?? '');
} elseif (\is_resource($body)) {
$stream = $this->streamFactory->createStreamFromResource($body);
} else {
throw new \InvalidArgumentException(sprintf('"%s()" expects string, resource or StreamInterface, "%s" given.', __METHOD__, get_debug_type($body)));
}
if ($stream->isSeekable()) {
$stream->seek(0);
}
return $stream;
}
/**
* {@inheritdoc}
*/
public function createUri($uri): UriInterface
{
if ($uri instanceof UriInterface) {
return $uri;
}
if ($this->responseFactory instanceof UriFactoryInterface) {
return $this->responseFactory->createUri($uri);
}
if (class_exists(Uri::class)) {
return new Uri($uri);
}
if (class_exists(Psr17FactoryDiscovery::class)) {
return Psr17FactoryDiscovery::findUrlFactory()->createUri($uri);
}
throw new \LogicException(sprintf('You cannot use "%s()" as the "nyholm/psr7" package is not installed. Try running "composer require nyholm/psr7".', __METHOD__));
}
/**
* @return array
*/
public function __sleep()
{
throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
}
public function __wakeup()
{
throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
}
public function __destruct()
{
$this->wait();
}
private function sendPsr7Request(RequestInterface $request, bool $buffer = null): ResponseInterface
{
try {
$body = $request->getBody();
if ($body->isSeekable()) {
$body->seek(0);
}
return $this->client->request($request->getMethod(), (string) $request->getUri(), [
'headers' => $request->getHeaders(),
'body' => $body->getContents(),
'http_version' => '1.0' === $request->getProtocolVersion() ? '1.0' : null,
'buffer' => $buffer,
]);
} catch (\InvalidArgumentException $e) {
throw new RequestException($e->getMessage(), $request, $e);
} catch (TransportExceptionInterface $e) {
throw new NetworkException($e->getMessage(), $request, $e);
}
}
}