public function request($method, $url, $data = null, $headers = null)
{
$resp = new Response($this, $this->receiver);
$curl = curl_init();
$curl_opts = $this->derest->curl_opts;
if (isset($this->instanceData['curl_opts']) && is_array($this->instanceData['curl_opts'])) {
$curl_opts += $this->instanceData['curl_opts'];
}
$curl_opts[CURLOPT_CUSTOMREQUEST] = $method;
$curl_opts[CURLOPT_URL] = $this->parseUrl($url);
$curl_opts[CURLOPT_HEADERFUNCTION] = array($resp, 'receiveHeader');
$curl_opts[CURLOPT_WRITEFUNCTION] = array($resp, 'receiveData');
if ($method == 'HEAD') {
$curl_opts[CURLOPT_NOBODY] = true;
}
// headers
if (!is_array($headers)) {
$headers = [];
}
if (isset($data)) {
if (is_object($data) && $data instanceof Data) {
$curl_opts[CURLOPT_POSTFIELDS] = $data->getData($this);
} elseif (is_array($data) && isset($this->instanceData['data_format']) && $this->instanceData['data_format'] != '') {
if ($this->instanceData['data_format'] == 'json') {
$headers['Accept'] = 'application/json';
$headers['Content-Type'] = 'application/json';
$enc = json_encode($data);
if ($enc === false) {
throw new Json_Encode_Exception('Encoding error: ' . $resp->getLastJsonErrorMessage(), $resp->getLastJsonErrorCode());
}
$curl_opts[CURLOPT_POSTFIELDS] = $enc;
} else {
throw new Data_Encode_Exception('Unknown encoding data format: ' . $this->instanceData['data_format']);
}
} else {
$curl_opts[CURLOPT_POSTFIELDS] = $data;
}
}
if (isset($curl_opts[CURLOPT_POSTFIELDS]) && is_string($curl_opts[CURLOPT_POSTFIELDS])) {
$headers['Content-Length'] = strlen($curl_opts[CURLOPT_POSTFIELDS]);
}
$flatHeaders = [];
foreach ($headers as $hname => $hvalue) {
$flatHeaders[] = $hname . ': ' . $hvalue;
}
$curl_opts[CURLOPT_HTTPHEADER] = $flatHeaders;
foreach ($curl_opts as $cname => $cval) {
curl_setopt($curl, $cname, $cval);
}
if (isset($this->logger)) {
$this->logger->logRequest($this, ['headers' => $headers, 'url' => $curl_opts[CURLOPT_URL], 'method' => $method, 'curl_opts' => $curl_opts]);
}
$curl_result = curl_exec($curl);
if ($curl_result === FALSE) {
throw new Curl_Exception('Curl error: ' . curl_error($curl));
}
$resp->meta = curl_getinfo($curl);
$resp->receiveDataFinished($curl);
curl_close($curl);
if (isset($this->logger)) {
$this->logger->logResponse($this, $resp);
}
if ($this->throw_exceptions && isset($resp->meta)) {
if ($resp->meta['http_code'] >= 400 && $resp->meta['http_code'] <= 600) {
$error_info = $this->processError($resp);
if ($resp->meta['http_code'] >= 400 && $resp->meta['http_code'] <= 499) {
throw new ClientError_Exception($error_info->message, $error_info->code, null, $error_info->data);
} elseif ($resp->meta['http_code'] >= 500 && $resp->meta['http_code'] <= 599) {
throw new ServerError_Exception($error_info->message, $error_info->code, null, $error_info->data);
} elseif (!isset($resp->meta['http_code']) || $resp->meta['http_code'] >= 600) {
throw new UnknownResponse_Exception($error_info->message, $error_info->code, null, $error_info->data);
}
}
}
return $resp;
}
