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<?php
/**
* Copyright 2017 Facebook, Inc.
*
* You are hereby granted a non-exclusive, worldwide, royalty-free license to
* use, copy, modify, and distribute this software in source code or binary
* form for use in connection with the web services and APIs provided by
* Facebook.
*
* As with any software that integrates with the Facebook platform, your use
* of this software is subject to the Facebook Developer Principles and
* Policies [http://developers.facebook.com/policy/]. This copyright notice
* shall be included in all copies or substantial portions of the software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*/
namespace Facebook\HttpClients;
use Facebook\Http\GraphRawResponse;
use Facebook\Exceptions\FacebookSDKException;
class FacebookStreamHttpClient implements FacebookHttpClientInterface
{
/**
* @var FacebookStream Procedural stream wrapper as object.
*/
protected $facebookStream;
/**
* @param FacebookStream|null Procedural stream wrapper as object.
*/
public function __construct(FacebookStream $facebookStream = null)
{
$this->facebookStream = $facebookStream ?: new FacebookStream();
}
/**
* @inheritdoc
*/
public function send($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',
],
];
$this->facebookStream->streamContextCreate($options);
$rawBody = $this->facebookStream->fileGetContents($url);
$rawHeaders = $this->facebookStream->getResponseHeaders();
if ($rawBody === false || empty($rawHeaders)) {
throw new FacebookSDKException('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);
}
}
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