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|
<?php
namespace Customers\CustomersToolsBundle\Service;
use \stdClass;
class JSON_RPC_Client {
private $auth;
private $url;
private $curl = NULL;
function __construct($url) {
$this->url = $url;
}
public function set_auth_credentials($login, $password) {
$this->auth = "{$login}:{$password}";
}
public function call() {
$params = func_get_args();
$method = array_shift($params);
$request = $this->_create_request($method, $params);
$data = $this->_send_request($request);
$response = $this->_parse_response($data, $error);
if ($error) {
throw new Exception('JSON-RPC error: '.$response->message, $response->code); // use custom Exception
}
return $response;
}
/* private methods */
private function _send_request($request) {
if ($this->curl !== NULL) {
curl_close($this->curl);
}
$this->curl = curl_init($this->url);
$headers = array(
'Expect:', // avoid lighttpd bug
'Content-Type: application/json-rpc; charset=utf-8',
);
curl_setopt($this->curl, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($this->curl, CURLOPT_FORBID_REUSE, TRUE);
curl_setopt($this->curl, CURLOPT_FRESH_CONNECT, TRUE);
curl_setopt($this->curl, CURLOPT_HTTPHEADER, $headers);
curl_setopt($this->curl, CURLOPT_POST, TRUE);
curl_setopt($this->curl, CURLOPT_POSTFIELDS, json_encode($request));
curl_setopt($this->curl, CURLOPT_SSL_VERIFYPEER, FALSE);
if (!empty($this->auth)) {
curl_setopt($this->curl, CURLOPT_USERPWD, $this->auth);
}
$data = curl_exec($this->curl);
if ($data === FALSE) {
error_log("[".curl_errno($this->curl)."] ".curl_error($this->curl));
}
return $data;
}
private function _create_request($method, $params) {
$request = new stdClass;
$request->id = 42; // or use a random id
$request->jsonrpc = '2.0';
$request->method = $method;
$request->params = $params;
return $request;
}
private function _parse_response($data, &$error) {
if ($data === FALSE) {
throw new Exception('cURL error ['.curl_errno($this->curl).'] '.curl_error($this->curl));
}
$data = json_decode($data);
if (!is_object($data)) {
throw new Exception('Parse error: result is not an object.');
}
if (!property_exists($data, 'result') && !property_exists($data, 'error')) {
throw new Exception('Parse error: missing property');
}
if (property_exists($data, 'error')) {
$error = TRUE;
return $data->error;
}
return $data->result;
}
}
?> |
