/**
* Forward an xmlrpc request to another server, and return to client the response received.
*
* DO NOT RUN AS IS IN PRODUCTION - this is an open relay !!!
*
* @param PhpXmlRpc\Request $req (see method docs below for a description of the expected parameters)
*
* @return PhpXmlRpc\Response
*/
function forward_request($req)
{
$encoder = new \PhpXmlRpc\Encoder();
// create client
$timeout = 0;
$url = $encoder->decode($req->getParam(0));
$client = new PhpXmlRpc\Client($url);
if ($req->getNumParams() > 3) {
// we have to set some options onto the client.
// Note that if we do not untaint the received values, warnings might be generated...
$options = $encoder->decode($req->getParam(3));
foreach ($options as $key => $val) {
switch ($key) {
case 'Cookie':
break;
case 'Credentials':
break;
case 'RequestCompression':
$client->setRequestCompression($val);
break;
case 'SSLVerifyHost':
$client->setSSLVerifyHost($val);
break;
case 'SSLVerifyPeer':
$client->setSSLVerifyPeer($val);
break;
case 'Timeout':
$timeout = (int) $val;
break;
}
// switch
}
}
// build call for remote server
/// @todo find a way to forward client info (such as IP) to server, either
/// - as xml comments in the payload, or
/// - using std http header conventions, such as X-forwarded-for...
$reqMethod = $encoder->decode($req->getParam(1));
$pars = $req->getParam(2);
$req = new PhpXmlRpc\Request($reqMethod);
foreach ($pars as $par) {
$req->addParam($par);
}
// add debug info into response we give back to caller
PhpXmlRpc\Server::xmlrpc_debugmsg("Sending to server {$url} the payload: " . $req->serialize());
return $client->send($req, $timeout);
}
/**
* @param string $msg
*/
public function debugMessageGenerator($msg)
{
PhpXmlRpc\Server::xmlrpc_debugmsg($msg);
}
