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106 lines (91 loc) · 2.66 KB
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<?php
namespace Cloudinary;
/**
* Class HttpClient
* @package Cloudinary
*/
class HttpClient
{
const DEFAULT_HTTP_TIMEOUT = 60;
/**
* @var int HTTP timeout in seconds
*/
private $timeout;
/**
* HttpClient constructor.
*
* @param $options
*/
public function __construct($options = null)
{
$this->timeout = \Cloudinary::option_get($options, "timeout", self::DEFAULT_HTTP_TIMEOUT);
}
/**
* Get JSON as associative array from specified URL
*
* @param string $url URL of the JSON
*
* @return array Associative array that represents JSON object
*
* @throws Error
*/
public function getJSON($url)
{
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");
curl_setopt($ch, CURLOPT_TIMEOUT, $this->timeout);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_USERAGENT, \Cloudinary::userAgent());
$response = $this->execute($ch);
$curl_error = null;
if (curl_errno($ch)) {
$curl_error = curl_error($ch);
}
curl_close($ch);
if ($curl_error != null) {
throw new Error("Error in sending request to server - " . $curl_error);
}
if ($response->responseCode != 200) {
throw new Error("Server returned unexpected status code - {$response->responseCode} - {$response->body}");
}
return self::parseJSONResponse($response);
}
/**
* Executes HTTP request, parses response headers, leaves body as a string
*
* Based on http://snipplr.com/view/17242/
*
* @param resource $ch cURL handle
*
* @return \stdClass Containing headers, body, responseCode properties
*/
protected static function execute($ch)
{
$content = curl_exec($ch);
$result = new \stdClass;
$result->body = trim($content);
$result->responseCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
return $result;
}
/**
* Parses JSON string from response body.
*
* @param \stdClass $response Class representing response
*
* @return mixed Decoded JSON object
*
* @throws Error
*/
protected static function parseJSONResponse($response)
{
$result = json_decode($response->body, true);
if ($result == null) {
$error = json_last_error();
throw new Error(
"Error parsing server response ({$response->responseCode}) - {$response->body}. Got - {$error}"
);
}
return $result;
}
}