/**
* create the cURL request and execute it
*/
private static function make_request($endpoint, $values, $headers = array())
{
self::$ch = curl_init();
$headers = array_merge(array("Content-Type: application/json"), $headers);
// always pass the correct Content-Type header
// send Api Version header
if (!empty(self::$api_version)) {
$headers[] = "Api-Version: " . self::$api_version;
}
curl_setopt(self::$ch, CURLOPT_USERAGENT, 'WePay v2 PHP SDK v' . self::VERSION);
curl_setopt(self::$ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt(self::$ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt(self::$ch, CURLOPT_TIMEOUT, 30);
// 30-second timeout, adjust to taste
curl_setopt(self::$ch, CURLOPT_POST, !empty($values));
// WePay's API is not strictly RESTful, so all requests are sent as POST unless there are no request values
$uri = self::getDomain() . $endpoint;
curl_setopt(self::$ch, CURLOPT_URL, $uri);
if (!empty($values)) {
curl_setopt(self::$ch, CURLOPT_POSTFIELDS, json_encode($values));
}
$raw = curl_exec(self::$ch);
if ($errno = curl_errno(self::$ch)) {
// Set up special handling for request timeouts
if ($errno == CURLE_OPERATION_TIMEOUTED) {
throw new WePayServerException("Timeout occurred while trying to connect to WePay");
}
throw new Exception('cURL error while making API call to WePay: ' . curl_error(self::$ch), $errno);
}
$result = json_decode($raw);
$httpCode = curl_getinfo(self::$ch, CURLINFO_HTTP_CODE);
if ($httpCode >= 400) {
if (!isset($result->error_code)) {
throw new WePayServerException("WePay returned an error response with no error_code, please alert api@wepay.com. Original message: {$result->error_description}", $httpCode, $result, 0);
}
if ($httpCode >= 500) {
throw new WePayServerException($result->error_description, $httpCode, $result, $result->error_code);
}
switch ($result->error) {
case 'invalid_request':
throw new WePayRequestException($result->error_description, $httpCode, $result, $result->error_code);
case 'access_denied':
default:
throw new WePayPermissionException($result->error_description, $httpCode, $result, $result->error_code);
}
}
return $result;
}
