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<?php
/**
* Zalo © 2019
*
*/
namespace Zalo\HttpClients;
use Zalo\Http\GraphRawResponse;
use Zalo\Exceptions\ZaloSDKException;
use Zalo\HttpClients\ZaloHttpClientInterface;
/**
* Class ZaloStreamHttpClient
*
* @package Zalo
*/
class ZaloStreamHttpClient implements ZaloHttpClientInterface
{
/**
* @var ZaloStream Procedural stream wrapper as object.
*/
protected $zaloStream;
/**
* @param ZaloStream|null Procedural stream wrapper as object.
*/
public function __construct(ZaloStream $zaloStream = null)
{
$this->zaloStream = $zaloStream ?: new ZaloStream();
}
/**
* @inheritdoc
*/
public function send($url, $method, $body, array $headers, $timeOut)
{
$options = [
'http' => [
'method' => $method,
'header' => $this->compileHeader($headers),
'content' => $body,
'timeout' => $timeOut,
'ignore_errors' => true
],
'ssl' => [
'verify_peer' => true,
'verify_peer_name' => true,
'allow_self_signed' => true, // All root certificates are self-signed
'cafile' => __DIR__ . '/certs/DigiCertHighAssuranceEVRootCA.pem',
],
];
$this->zaloStream->streamContextCreate($options);
$rawBody = $this->zaloStream->fileGetContents($url);
$rawHeaders = $this->zaloStream->getResponseHeaders();
if ($rawBody === false || empty($rawHeaders)) {
throw new ZaloSDKException('Stream returned an empty response', 660);
}
$rawHeaders = implode("\r\n", $rawHeaders);
return new GraphRawResponse($rawHeaders, $rawBody);
}
/**
* Formats the headers for use in the stream wrapper.
*
* @param array $headers The request headers.
*
* @return string
*/
public function compileHeader(array $headers)
{
$header = [];
foreach ($headers as $k => $v) {
$header[] = $k . ': ' . $v;
}
return implode("\r\n", $header);
}
}