function authenticateClient($clientId, $clientSecret)
{
// Receive access token via oAuth
if (extension_loaded('curl')) {
$header[] = 'Authorization: OAuth Content-Type: application/x-www-form-urlencoded';
$ibCurl = curl_init();
curl_setopt($ibCurl, CURLOPT_HEADER, false);
curl_setopt($ibCurl, CURLOPT_HTTPHEADER, $header);
curl_setopt($ibCurl, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ibCurl, CURLOPT_SSL_VERIFYHOST, 2);
curl_setopt($ibCurl, CURLOPT_URL, PS_ITEMBASE_SERVER_OAUTH);
curl_setopt($ibCurl, CURLOPT_POST, true);
curl_setopt($ibCurl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ibCurl, CURLOPT_POSTFIELDS, array('client_id' => $clientId, 'client_secret' => $clientSecret, 'response_type' => 'token', 'grant_type' => 'client_credentials'));
$jsonResponse = curl_exec($ibCurl);
if ($jsonResponse === FALSE) {
itembaseErrorHandler(0, curl_error($ibCurl), __FILE__, __LINE__ - 1);
}
curl_close($ibCurl);
} else {
$opts = array('http' => array('ignore_errors' => true));
$context = stream_context_create($opts);
$jsonResponse = file_get_contents(PS_ITEMBASE_SERVER_OAUTH . '?client_id=' . $clientId . '&client_secret=' . $clientSecret . '&response_type=token&grant_type=client_credentials', false, $context);
if ($jsonResponse === FALSE) {
itembaseErrorHandler(0, 'file_get_contents', __FILE__, __LINE__ - 1);
}
}
return $jsonResponse;
}
/**
* JSON encode
*
* @param mixed $data
* @return string
*/
private function jsonEncode($data)
{
if (function_exists('json_encode')) {
$result = json_encode($data);
if (is_callable('json_last_error')) {
if (json_last_error() != JSON_ERROR_NONE) {
itembaseErrorHandler(0, 'json_encode error ' . json_last_error(), __FILE__, __LINE__ - 1);
}
}
} else {
include_once rtrim(_PS_MODULE_DIR_, '/') . '/itembase/json.php';
$json = new Services_JSON(SERVICES_JSON_SUPPRESS_ERRORS);
$result = $json->encode($data);
}
return $result;
}
