initial commit
This commit is contained in:
341
app/Vendor/Facebook/HttpClients/FacebookCurlHttpClient.php
vendored
Normal file
341
app/Vendor/Facebook/HttpClients/FacebookCurlHttpClient.php
vendored
Normal file
@@ -0,0 +1,341 @@
|
||||
<?php
|
||||
/**
|
||||
* Copyright 2014 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\FacebookSDKException;
|
||||
|
||||
/**
|
||||
* Class FacebookCurlHttpClient
|
||||
* @package Facebook
|
||||
*/
|
||||
class FacebookCurlHttpClient implements FacebookHttpable
|
||||
{
|
||||
|
||||
/**
|
||||
* @var array The headers to be sent with the request
|
||||
*/
|
||||
protected $requestHeaders = array();
|
||||
|
||||
/**
|
||||
* @var array The headers received from the response
|
||||
*/
|
||||
protected $responseHeaders = array();
|
||||
|
||||
/**
|
||||
* @var int The HTTP status code returned from the server
|
||||
*/
|
||||
protected $responseHttpStatusCode = 0;
|
||||
|
||||
/**
|
||||
* @var string The client error message
|
||||
*/
|
||||
protected $curlErrorMessage = '';
|
||||
|
||||
/**
|
||||
* @var int The curl client error code
|
||||
*/
|
||||
protected $curlErrorCode = 0;
|
||||
|
||||
/**
|
||||
* @var string|boolean The raw response from the server
|
||||
*/
|
||||
protected $rawResponse;
|
||||
|
||||
/**
|
||||
* @var FacebookCurl Procedural curl as object
|
||||
*/
|
||||
protected static $facebookCurl;
|
||||
|
||||
/**
|
||||
* @var boolean If IPv6 should be disabled
|
||||
*/
|
||||
protected static $disableIPv6;
|
||||
|
||||
/**
|
||||
* @const Curl Version which is unaffected by the proxy header length error.
|
||||
*/
|
||||
const CURL_PROXY_QUIRK_VER = 0x071E00;
|
||||
|
||||
/**
|
||||
* @const "Connection Established" header text
|
||||
*/
|
||||
const CONNECTION_ESTABLISHED = "HTTP/1.0 200 Connection established\r\n\r\n";
|
||||
|
||||
/**
|
||||
* @param FacebookCurl|null Procedural curl as object
|
||||
*/
|
||||
public function __construct(FacebookCurl $facebookCurl = null)
|
||||
{
|
||||
self::$facebookCurl = $facebookCurl ?: new FacebookCurl();
|
||||
self::$disableIPv6 = self::$disableIPv6 ?: false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Disable IPv6 resolution
|
||||
*/
|
||||
public function disableIPv6()
|
||||
{
|
||||
self::$disableIPv6 = true;
|
||||
}
|
||||
|
||||
/**
|
||||
* The headers we want to send with the request
|
||||
*
|
||||
* @param string $key
|
||||
* @param string $value
|
||||
*/
|
||||
public function addRequestHeader($key, $value)
|
||||
{
|
||||
$this->requestHeaders[$key] = $value;
|
||||
}
|
||||
|
||||
/**
|
||||
* The headers returned in the response
|
||||
*
|
||||
* @return array
|
||||
*/
|
||||
public function getResponseHeaders()
|
||||
{
|
||||
return $this->responseHeaders;
|
||||
}
|
||||
|
||||
/**
|
||||
* The HTTP status response code
|
||||
*
|
||||
* @return int
|
||||
*/
|
||||
public function getResponseHttpStatusCode()
|
||||
{
|
||||
return $this->responseHttpStatusCode;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sends a request to the server
|
||||
*
|
||||
* @param string $url The endpoint to send the request to
|
||||
* @param string $method The request method
|
||||
* @param array $parameters The key value pairs to be sent in the body
|
||||
*
|
||||
* @return string Raw response from the server
|
||||
*
|
||||
* @throws \Facebook\FacebookSDKException
|
||||
*/
|
||||
public function send($url, $method = 'GET', $parameters = array())
|
||||
{
|
||||
$this->openConnection($url, $method, $parameters);
|
||||
$this->tryToSendRequest();
|
||||
|
||||
// Need to verify the peer
|
||||
if ($this->curlErrorCode == 60 || $this->curlErrorCode == 77) {
|
||||
$this->addBundledCert();
|
||||
$this->tryToSendRequest();
|
||||
}
|
||||
|
||||
if ($this->curlErrorCode) {
|
||||
throw new FacebookSDKException($this->curlErrorMessage, $this->curlErrorCode);
|
||||
}
|
||||
|
||||
// Separate the raw headers from the raw body
|
||||
list($rawHeaders, $rawBody) = $this->extractResponseHeadersAndBody();
|
||||
|
||||
$this->responseHeaders = self::headersToArray($rawHeaders);
|
||||
|
||||
$this->closeConnection();
|
||||
|
||||
return $rawBody;
|
||||
}
|
||||
|
||||
/**
|
||||
* Opens a new curl connection
|
||||
*
|
||||
* @param string $url The endpoint to send the request to
|
||||
* @param string $method The request method
|
||||
* @param array $parameters The key value pairs to be sent in the body
|
||||
*/
|
||||
public function openConnection($url, $method = 'GET', $parameters = array())
|
||||
{
|
||||
$options = array(
|
||||
CURLOPT_URL => $url,
|
||||
CURLOPT_CONNECTTIMEOUT => 10,
|
||||
CURLOPT_TIMEOUT => 60,
|
||||
CURLOPT_RETURNTRANSFER => true, // Follow 301 redirects
|
||||
CURLOPT_HEADER => true, // Enable header processing
|
||||
);
|
||||
|
||||
if ($method !== "GET") {
|
||||
$options[CURLOPT_POSTFIELDS] = $parameters;
|
||||
}
|
||||
if ($method === 'DELETE' || $method === 'PUT') {
|
||||
$options[CURLOPT_CUSTOMREQUEST] = $method;
|
||||
}
|
||||
|
||||
if (!empty($this->requestHeaders)) {
|
||||
$options[CURLOPT_HTTPHEADER] = $this->compileRequestHeaders();
|
||||
}
|
||||
|
||||
if (self::$disableIPv6) {
|
||||
$options[CURLOPT_IPRESOLVE] = CURL_IPRESOLVE_V4;
|
||||
}
|
||||
|
||||
self::$facebookCurl->init();
|
||||
self::$facebookCurl->setopt_array($options);
|
||||
}
|
||||
|
||||
/**
|
||||
* Add a bundled cert to the connection
|
||||
*/
|
||||
public function addBundledCert()
|
||||
{
|
||||
self::$facebookCurl->setopt(CURLOPT_CAINFO,
|
||||
dirname(__FILE__) . DIRECTORY_SEPARATOR . 'fb_ca_chain_bundle.crt');
|
||||
}
|
||||
|
||||
/**
|
||||
* Closes an existing curl connection
|
||||
*/
|
||||
public function closeConnection()
|
||||
{
|
||||
self::$facebookCurl->close();
|
||||
}
|
||||
|
||||
/**
|
||||
* Try to send the request
|
||||
*/
|
||||
public function tryToSendRequest()
|
||||
{
|
||||
$this->sendRequest();
|
||||
$this->curlErrorMessage = self::$facebookCurl->error();
|
||||
$this->curlErrorCode = self::$facebookCurl->errno();
|
||||
$this->responseHttpStatusCode = self::$facebookCurl->getinfo(CURLINFO_HTTP_CODE);
|
||||
}
|
||||
|
||||
/**
|
||||
* Send the request and get the raw response from curl
|
||||
*/
|
||||
public function sendRequest()
|
||||
{
|
||||
$this->rawResponse = self::$facebookCurl->exec();
|
||||
}
|
||||
|
||||
/**
|
||||
* Compiles the request headers into a curl-friendly format
|
||||
*
|
||||
* @return array
|
||||
*/
|
||||
public function compileRequestHeaders()
|
||||
{
|
||||
$return = array();
|
||||
|
||||
foreach ($this->requestHeaders as $key => $value) {
|
||||
$return[] = $key . ': ' . $value;
|
||||
}
|
||||
|
||||
return $return;
|
||||
}
|
||||
|
||||
/**
|
||||
* Extracts the headers and the body into a two-part array
|
||||
*
|
||||
* @return array
|
||||
*/
|
||||
public function extractResponseHeadersAndBody()
|
||||
{
|
||||
$headerSize = self::getHeaderSize();
|
||||
|
||||
$rawHeaders = mb_substr($this->rawResponse, 0, $headerSize);
|
||||
$rawBody = mb_substr($this->rawResponse, $headerSize);
|
||||
|
||||
return array(trim($rawHeaders), trim($rawBody));
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts raw header responses into an array
|
||||
*
|
||||
* @param string $rawHeaders
|
||||
*
|
||||
* @return array
|
||||
*/
|
||||
public static function headersToArray($rawHeaders)
|
||||
{
|
||||
$headers = array();
|
||||
|
||||
// Normalize line breaks
|
||||
$rawHeaders = str_replace("\r\n", "\n", $rawHeaders);
|
||||
|
||||
// There will be multiple headers if a 301 was followed
|
||||
// or a proxy was followed, etc
|
||||
$headerCollection = explode("\n\n", trim($rawHeaders));
|
||||
// We just want the last response (at the end)
|
||||
$rawHeader = array_pop($headerCollection);
|
||||
|
||||
$headerComponents = explode("\n", $rawHeader);
|
||||
foreach ($headerComponents as $line) {
|
||||
if (strpos($line, ': ') === false) {
|
||||
$headers['http_code'] = $line;
|
||||
} else {
|
||||
list ($key, $value) = explode(': ', $line);
|
||||
$headers[$key] = $value;
|
||||
}
|
||||
}
|
||||
|
||||
return $headers;
|
||||
}
|
||||
|
||||
/**
|
||||
* Return proper header size
|
||||
*
|
||||
* @return integer
|
||||
*/
|
||||
private function getHeaderSize()
|
||||
{
|
||||
$headerSize = self::$facebookCurl->getinfo(CURLINFO_HEADER_SIZE);
|
||||
// This corrects a Curl bug where header size does not account
|
||||
// for additional Proxy headers.
|
||||
if ( self::needsCurlProxyFix() ) {
|
||||
// Additional way to calculate the request body size.
|
||||
if (preg_match('/Content-Length: (\d+)/', $this->rawResponse, $m)) {
|
||||
$headerSize = mb_strlen($this->rawResponse) - $m[1];
|
||||
} elseif (stripos($this->rawResponse, self::CONNECTION_ESTABLISHED) !== false) {
|
||||
$headerSize += mb_strlen(self::CONNECTION_ESTABLISHED);
|
||||
}
|
||||
}
|
||||
|
||||
return $headerSize;
|
||||
}
|
||||
|
||||
/**
|
||||
* Detect versions of Curl which report incorrect header lengths when
|
||||
* using Proxies.
|
||||
*
|
||||
* @return boolean
|
||||
*/
|
||||
private static function needsCurlProxyFix()
|
||||
{
|
||||
$ver = self::$facebookCurl->version();
|
||||
$version = $ver['version_number'];
|
||||
|
||||
return $version < self::CURL_PROXY_QUIRK_VER;
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user