private void InitEntityContext(Entity entity)
{
// Remove previous context if any.
entityContexts.Remove(entity.Guid);
logger.Debug("Entered initEntityContext with entity [{0}]", entity.Guid);
string serverScript = (string)entity["scripting"]["serverScript"].Value;
if (serverScript == null)
return;
logger.Debug("Creating the context. Server script is {0}", serverScript);
V8Engine engine;
try
{
engine = new V8Engine();
}
catch (Exception e)
{
logger.ErrorException("Exception during context creation", e);
return;
}
logger.Debug("Adding context to the list");
entityContexts.Add(entity.Guid, engine);
logger.Debug("Creating context wrapper");
// This object should be used to assign event handlers, e.g. script.onNewObject = function (newObject) {...}
var context = new V8NetContext(engine);
logger.Debug("Creating script object");
context.Execute("script = {}");
logger.Debug("About to enter context scope");
engine.WithContextScope = () =>
{
logger.Debug("Configuring the context");
// Register global objects.
// FIXME: Potential security issue. Users can access .Type in script which allows to create any object and
// thus run arbitrary code on the server.
foreach (var entry in registeredGlobalObjects)
engine.GlobalObject.SetProperty(entry.Key, entry.Value, null, true, V8PropertyAttributes.Locked);
logger.Debug("Calling context callbacks");
// Invoke new context handlers.
newContextHandlers.ForEach(handler => handler(context));
logger.Debug("Executing serverScript");
// Execute server script.
engine.Execute(serverScript);
};
}
private void InitEntityContext(Entity entity)
{
// Remove previous context if any.
entityContexts.Remove(entity.Guid);
logger.Debug("Entered initEntityContext with entity [{0}]", entity.Guid);
string serverScript = (string)entity["scripting"]["serverScript"];
if (serverScript == null)
{
return;
}
logger.Debug("Creating the context. Server script is {0}", serverScript);
V8Engine engine;
try
{
engine = new V8Engine();
}
catch (Exception e)
{
logger.ErrorException("Exception during context creation", e);
return;
}
logger.Debug("Adding context to the list");
entityContexts.Add(entity.Guid, engine);
logger.Debug("Creating context wrapper");
// This object should be used to assign event handlers, e.g. script.onNewObject = function (newObject) {...}
var context = new V8NetContext(engine);
logger.Debug("Creating script object");
context.Execute("script = {}");
logger.Debug("About to enter context scope");
engine.WithContextScope = () =>
{
logger.Debug("Configuring the context");
// Register global objects.
// FIXME: Potential security issue. Users can access .Type in script which allows to create any object and
// thus run arbitrary code on the server.
foreach (var entry in registeredGlobalObjects)
{
engine.GlobalObject.SetProperty(entry.Key, entry.Value, null, true, V8PropertyAttributes.Locked);
}
logger.Debug("Calling context callbacks");
// Invoke new context handlers.
newContextHandlers.ForEach(handler => handler(context));
logger.Debug("Executing serverScript");
// Execute server script.
engine.Execute(serverScript);
};
}
