<?php
namespace Aws\Handler\GuzzleV6;
use Aws\Sdk;
use Exception;
use GuzzleHttp\Exception\ConnectException;
use GuzzleHttp\Exception\RequestException;
use GuzzleHttp\Promise;
use GuzzleHttp\Client;
use GuzzleHttp\ClientInterface;
use Psr\Http\Message\RequestInterface as Psr7Request;
/**
* A request handler that sends PSR-7-compatible requests with Guzzle 6.
*/
class GuzzleHandler
{
/** @var ClientInterface */
private $client;
/**
* @param ClientInterface $client
*/
public function __construct(ClientInterface $client = null)
{
$this->client = $client ?: new Client();
}
/**
* @param Psr7Request $request
* @param array $options
*
* @return Promise\Promise
*/
public function __invoke(Psr7Request $request, array $options = [])
{
$request = $request->withHeader(
'User-Agent',
$request->getHeaderLine('User-Agent')
. ' ' . \GuzzleHttp\default_user_agent()
);
return $this->client->sendAsync($request, $options)->otherwise(
static function (\Exception $e) {
$error = [
'exception' => $e,
'connection_error' => $e instanceof ConnectException,
'response' => null,
];
if ($e instanceof RequestException && $e->getResponse()) {
$error['response'] = $e->getResponse();
}
return new Promise\RejectedPromise($error);
}
);
}
}
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