}
$capability = trim($request['cap']);
$operation = trim($request['RequestMethod']);
}
}
log_message('debug', sprintf("cap=%s, op=%s, request=%s", $capability, $operation, json_encode($request)));
// --------------- validate the capability ---------------
if (!empty($config['authorize_commands'])) {
if (!UUID::TryParse($capability, $capid)) {
log_message('warn', sprintf("invalid uuid %s", $capability));
RequestFailed('Invalid capability');
}
$cap = get_capability($capability);
if ($cap == null) {
log_message('warn', sprintf("invalid capability %s", $capability));
RequestFailed('Invalid capability');
}
// log_message('debug',sprintf("Capability=%s",json_encode($cap)));
}
// execute_command($operation, $capability, $request);
if (file_exists(BASEPATH . "lib/Class.{$operation}.php")) {
if (include_once BASEPATH . "lib/Class.{$operation}.php") {
$gMethodName = $operation;
$instance = new $operation();
$instance->Execute($request);
exit;
}
}
log_message('warn', sprintf("unknown operation %s", $operation));
RequestFailed('No such operation');
public function Execute($params)
{
if (!isset($params["mesh_id"]) || !UUID::TryParse($params["mesh_id"], $meshID)) {
RequestFailed('invalid or missing mesh identifier');
}
$meshfile = $this->ComputeMeshFile($meshID);
// Check to see if we already have the file
if (!file_exists($meshfile)) {
// There is definitely a race condition here, the time between the check for an existing
// file and acquiring a lock opens up the potential for overwriting the file
$handle = fopen($meshfile, "wb");
if (!flock($handle, LOCK_EX)) {
fclose($handle);
unlink($meshfile);
RequestFailed('unable to acquire lock on cache file');
}
// Pull it back from the asset service and store it locally
if (!get_asset($meshID, $meshInfo)) {
flock($handle, LOCK_UN);
fclose($handle);
unlink($meshfile);
log_message('error', "[GetMesh] mesh {$meshID} not found");
print_r($meshInfo);
RequestFailed('mesh not found');
}
//content type check
if (empty(self::$MeshTypes[$meshInfo['ContentType']])) {
flock($handle, LOCK_UN);
fclose($handle);
unlink($texturefile);
log_message('error', sprintf('[GetMesh] wrong asset type; %s', $meshInfo['ContentType']));
RequestFailed(sprintf('wrong asset type; %s', $meshInfo['ContentType']));
}
if (!fwrite($handle, $meshInfo['Content'])) {
flock($handle, LOCK_UN);
fclose($handle);
unlink($meshfile);
log_message('error', '[GetMesh] write to file failed');
RequestFailed('unable to write cache file');
}
flock($handle, LOCK_UN);
fclose($handle);
}
$this->SendMeshFile($meshID, $meshfile);
}
