/**
* Proxy/resend the current request to different url/server.
*
* @param string $endpoint Url
* @param callback $filter Callback to change the generated Curl options.
*/
public static function proxy($endpoint, $filter = null)
{
$url = new Url($endpoint);
$url->query = $_GET;
$options = array(CURLOPT_URL => (string) $url, CURLOPT_RETURNTRANSFER => true, CURLOPT_CUSTOMREQUEST => $_SERVER['REQUEST_METHOD'], CURLOPT_FAILONERROR => false, CURLOPT_HEADER => true, CURLOPT_HTTPHEADER => []);
// Proxy HTTP headers
foreach ($_SERVER as $name => $value) {
if (substr($name, 0, 5) === 'HTTP_' && in_array($name, array('HTTP_HOST', 'HTTP_CONNECTION')) === false) {
$options[CURLOPT_HTTPHEADER][] = substr($name, 5) . ':' . $value;
}
}
// Proxy POST/PUT contents
if (in_array($_SERVER['REQUEST_METHOD'], array('POST', 'PUT'))) {
if (empty($_POST) === false) {
$options[CURLOPT_POSTFIELDS] = $_POST;
} elseif (empty($_PUT) === false) {
$options[CURLOPT_POSTFIELDS] = $_PUT;
} elseif (isset($HTTP_RAW_POST_DATA)) {
$options[CURLOPT_POSTFIELDS] = $HTTP_RAW_POST_DATA;
} else {
$options[CURLOPT_POSTFIELDS] = file_get_contents('php://input');
}
}
// Custom curl options
if ($filter !== null) {
$options = call_user_func($filter, $options);
}
// Send request
$response = new self($options);
$headers = $response->getHeaders();
unset($headers['Transfer-Encoding']);
$headers['Status'] = $response->http_code;
\Sledgehammer\send_headers($headers);
echo $response->getBody();
exit;
}
