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<?php
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/**
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* Copyright 2017 Facebook, Inc.
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*
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* You are hereby granted a non-exclusive, worldwide, royalty-free license to
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* use, copy, modify, and distribute this software in source code or binary
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* form for use in connection with the web services and APIs provided by
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* Facebook.
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*
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* As with any software that integrates with the Facebook platform, your use
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* of this software is subject to the Facebook Developer Principles and
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* Policies [http://developers.facebook.com/policy/]. This copyright notice
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* shall be included in all copies or substantial portions of the software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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*/
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namespace Facebook\HttpClients;
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use Facebook\Http\GraphRawResponse;
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use Facebook\Exceptions\FacebookSDKException;
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class FacebookStreamHttpClient implements FacebookHttpClientInterface
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{
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/**
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* @var FacebookStream Procedural stream wrapper as object.
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*/
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protected $facebookStream;
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/**
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* @param FacebookStream|null Procedural stream wrapper as object.
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*/
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public function __construct(FacebookStream $facebookStream = null)
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{
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$this->facebookStream = $facebookStream ?: new FacebookStream();
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}
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/**
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* @inheritdoc
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*/
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public function send($url, $method, $body, array $headers, $timeOut)
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{
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$options = [
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'http' => [
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'method' => $method,
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'header' => $this->compileHeader($headers),
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'content' => $body,
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'timeout' => $timeOut,
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'ignore_errors' => true
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],
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'ssl' => [
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'verify_peer' => true,
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'verify_peer_name' => true,
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'allow_self_signed' => true, // All root certificates are self-signed
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'cafile' => __DIR__ . '/certs/DigiCertHighAssuranceEVRootCA.pem',
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],
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];
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$this->facebookStream->streamContextCreate($options);
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$rawBody = $this->facebookStream->fileGetContents($url);
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$rawHeaders = $this->facebookStream->getResponseHeaders();
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if ($rawBody === false || empty($rawHeaders)) {
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throw new FacebookSDKException('Stream returned an empty response', 660);
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}
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$rawHeaders = implode("\r\n", $rawHeaders);
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return new GraphRawResponse($rawHeaders, $rawBody);
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}
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/**
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* Formats the headers for use in the stream wrapper.
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*
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* @param array $headers The request headers.
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*
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* @return string
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*/
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public function compileHeader(array $headers)
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{
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$header = [];
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foreach ($headers as $k => $v) {
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$header[] = $k . ': ' . $v;
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}
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return implode("\r\n", $header);
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}
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}
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