<?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\Http;
/**
* Class GraphRawResponse
*
* @package Facebook
*/
class GraphRawResponse
{
/**
* @var array The response headers in the form of an associative array.
*/
protected $headers;
/**
* @var string The raw response body.
*/
protected $body;
/**
* @var int The HTTP status response code.
*/
protected $httpResponseCode;
/**
* Creates a new GraphRawResponse entity.
*
* @param string|array $headers The headers as a raw string or array.
* @param string $body The raw response body.
* @param int $httpStatusCode The HTTP response code (if sending headers as parsed array).
*/
public function __construct($headers, $body, $httpStatusCode = null)
{
if (is_numeric($httpStatusCode)) {
$this->httpResponseCode = (int)$httpStatusCode;
}
if (is_array($headers)) {
$this->headers = $headers;
} else {
$this->setHeadersFromString($headers);
}
$this->body = $body;
}
/**
* Return the response headers.
*
* @return array
*/
public function getHeaders()
{
return $this->headers;
}
/**
* Return the body of the response.
*
* @return string
*/
public function getBody()
{
return $this->body;
}
/**
* Return the HTTP response code.
*
* @return int
*/
public function getHttpResponseCode()
{
return $this->httpResponseCode;
}
/**
* Sets the HTTP response code from a raw header.
*
* @param string $rawResponseHeader
*/
public function setHttpResponseCodeFromHeader($rawResponseHeader)
{
preg_match('|HTTP/\d\.\d\s+(\d+)\s+.*|', $rawResponseHeader, $match);
$this->httpResponseCode = (int)$match[1];
}
/**
* Parse the raw headers and set as an array.
*
* @param string $rawHeaders The raw headers from the response.
*/
protected function setHeadersFromString($rawHeaders)
{
// 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) {
$this->setHttpResponseCodeFromHeader($line);
} else {
list($key, $value) = explode(': ', $line, 2);
$this->headers[$key] = $value;
}
}
}
}