/**
* Forward an xmlrpc request to another server, and return to client the response received.
* @param xmlrpcmsg $m (see method docs below for a description of the expected parameters)
* @return xmlrpcresp
*/
function forward_request($m)
{
// create client
$timeout = 0;
$url = php_xmlrpc_decode($m->getParam(0));
$c = new xmlrpc_client($url);
if ($m->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...
$options = php_xmlrpc_decode($m->getParam(3));
foreach ($options as $key => $val) {
switch ($key) {
case 'Cookie':
break;
case 'Credentials':
break;
case 'RequestCompression':
$c->setRequestCompression($val);
break;
case 'SSLVerifyHost':
$c->setSSLVerifyHost($val);
break;
case 'SSLVerifyPeer':
$c->setSSLVerifyPeer($val);
break;
case 'Timeout':
$timeout = (int) $val;
break;
}
// switch
}
}
// build call for remote server
/// @todo find a weay 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...
$method = php_xmlrpc_decode($m->getParam(1));
$pars = $m->getParam(2);
$m = new xmlrpcmsg($method);
for ($i = 0; $i < $pars->arraySize(); $i++) {
$m->addParam($pars->arraymem($i));
}
// add debug info into response we give back to caller
xmlrpc_debugmsg("Sending to server {$url} the payload: " . $m->serialize());
return $c->send($m, $timeout);
}
