/**
* Executes multi curl requests and return response. Response is returned in an array and
* result array contains responses in same order in what requests were added. Response array format is
* array(array(self::SRV_CODE => 'http_response_code', self::SRV_RESPONSE => 'response',
* self::SRV_ERROR_CODE => 'any error code', self::SRV_ERROR => 'any error string'), ...)
*
* @param int $_maxConcurrent Executes this numbers of requests in parallel
* @author Atul Atri
* @return array e.g array()
*/
public function ExecuteMultiCurl($_maxConcurrent = 10, $_isRetry = false)
{
$_multiCurlResponseArr = parent::ExecuteMultiCurl($_maxConcurrent);
$_isAll401 = true;
foreach ($_multiCurlResponseArr as $_nextResponse) {
if ($_nextResponse[self::SRV_CODE] != 401) {
$_isAll401 = false;
break;
}
}
if (!$_isRetry && $_isAll401) {
$this->_reqRetryCount = 0;
}
if ($_isAll401 == 401 && $this->_reqRetryCount < $this->_maxSendReqRetries) {
$this->_CurlCurrentIndex = 0;
//most probably token expired...ask oauth lib to regenerate token
$_refreshed = SWIFT_APIOauth2::RefreshToken();
if ($_refreshed) {
$this->_reqRetryCount++;
$this->ModifyAuthHeader();
return $this->ExecuteMultiCurl($_maxConcurrent, true);
}
}
return $_multiCurlResponseArr;
}
public static function GetInstance()
{
if (!isset(self::$_Instance) || get_class(self::$_Instance) != get_called_class()) {
$_class = get_called_class();
self::$_Instance = new $_class();
}
return self::$_Instance;
}
/**
* Execute access token request and return response retuned by server
*
* @param string $_tokenEndPoint token end point url
* @param array $_params list of parameters required to execute request
* @param int $_clientAuthType client authentication type
* @param array any additional header that needs to be sent e.g. array('Conent-Type' =>'application/json');
* @param string method method type e.g. 'GET', 'POST', 'DELETE', 'PUT'
*
* @return mixed response retuned by server
* @throws SWIFT_OAuth2Exception if failed to execute request
*/
public function AccessTokenRequest($_tokenEndPoint, array $_params, $_clientAuthType = self::AUTH_TYPE_AUTHORIZATION_FORM, array $_headers = array(), $_method = 'POST')
{
$_params = $this->CheckTokenRequestParams($_params);
if (($_clientAuthType == self::AUTH_TYPE_AUTHORIZATION_FORM || $_clientAuthType == self::AUTH_TYPE_AUTHORIZATION_BASIC) && (!isset($_params['client_id']) || !isset($_params['client_secret']))) {
throw new SWIFT_OAuth2Exception('AUTH_TYPE_AUTHORIZATION_FORM requires client_id and client_secret to be given in params');
}
if ($_clientAuthType == self::AUTH_TYPE_AUTHORIZATION_BASIC && !isset($_headers['Authorization'])) {
$_headers['Authorization'] = 'Basic ' . base64_encode($_params['client_id'] . ':' . $_params['client_secret']);
}
$_params = $this->ChangeParamNames($_params);
//execute request
$_CurlInstance = SWIFT_HttpCurl::GetInstance();
$_paramsStr = http_build_query($_params);
$_defaultHeaders['Content-Type'] = 'application/x-www-form-urlencoded';
$_headers = $_headers + $_defaultHeaders;
return $_CurlInstance->SendRequest($_tokenEndPoint, $_paramsStr, $_method, $_headers);
}