public override void Invoke(AMFContext context)
{
MessageOutput messageOutput = context.MessageOutput;
for (int i = 0; i < context.AMFMessage.BodyCount; i++)
{
AMFBody amfBody = context.AMFMessage.GetBodyAt(i);
ResponseBody responseBody = null;
//Check for Flex2 messages and skip
if (amfBody.IsEmptyTarget)
{
continue;
}
if (amfBody.IsDebug)
{
continue;
}
if (amfBody.IsDescribeService)
{
responseBody = new ResponseBody();
responseBody.IgnoreResults = amfBody.IgnoreResults;
responseBody.Target = amfBody.Response + AMFBody.OnResult;
responseBody.Response = null;
DescribeService describeService = new DescribeService(amfBody);
responseBody.Content = describeService.GetDescription();
messageOutput.AddBody(responseBody);
continue;
}
//Check if response exists.
responseBody = messageOutput.GetResponse(amfBody);
if (responseBody != null)
{
continue;
}
try
{
MessageBroker messageBroker = _endpoint.GetMessageBroker();
RemotingService remotingService = messageBroker.GetService(RemotingService.RemotingServiceId) as RemotingService;
if (remotingService == null)
{
string serviceNotFound = __Res.GetString(__Res.Service_NotFound, RemotingService.RemotingServiceId);
responseBody = new ErrorResponseBody(amfBody, new FluorineException(serviceNotFound));
messageOutput.AddBody(responseBody);
if (log.IsErrorEnabled)
{
log.Error(serviceNotFound);
}
continue;
}
Destination destination = null;
if (destination == null)
{
destination = remotingService.GetDestinationWithSource(amfBody.TypeName);
}
if (destination == null)
{
destination = remotingService.DefaultDestination;
}
//At this moment we got a destination with the exact source or we have a default destination with the "*" source.
if (destination == null)
{
string destinationNotFound = __Res.GetString(__Res.Destination_NotFound, amfBody.TypeName);
responseBody = new ErrorResponseBody(amfBody, new FluorineException(destinationNotFound));
messageOutput.AddBody(responseBody);
if (log.IsErrorEnabled)
{
log.Error(destinationNotFound);
}
continue;
}
try
{
remotingService.CheckSecurity(destination);
}
catch (UnauthorizedAccessException exception)
{
responseBody = new ErrorResponseBody(amfBody, exception);
if (log.IsDebugEnabled)
{
log.Debug(exception.Message);
}
continue;
}
//Cache check
string source = amfBody.TypeName + "." + amfBody.Method;
IList parameterList = amfBody.GetParameterList();
string key = FluorineFx.Configuration.CacheMap.GenerateCacheKey(source, parameterList);
if (FluorineConfiguration.Instance.CacheMap.ContainsValue(key))
{
object result = FluorineFx.Configuration.FluorineConfiguration.Instance.CacheMap.Get(key);
if (result != null)
{
if (log != null && log.IsDebugEnabled)
{
log.Debug(__Res.GetString(__Res.Cache_HitKey, source, key));
}
responseBody = new ResponseBody(amfBody, result);
messageOutput.AddBody(responseBody);
continue;
}
}
object instance;
FactoryInstance factoryInstance = destination.GetFactoryInstance();
lock (factoryInstance)
{
factoryInstance.Source = amfBody.TypeName;
if (FluorineContext.Current.ActivationMode != null)//query string can override the activation mode
{
factoryInstance.Scope = FluorineContext.Current.ActivationMode;
}
instance = factoryInstance.Lookup();
}
if (instance != null)
{
try
{
bool isAccessible = TypeHelper.GetTypeIsAccessible(instance.GetType());
if (!isAccessible)
{
string msg = __Res.GetString(__Res.Type_InitError, amfBody.TypeName);
if (log.IsErrorEnabled)
{
log.Error(msg);
}
responseBody = new ErrorResponseBody(amfBody, new FluorineException(msg));
messageOutput.AddBody(responseBody);
continue;
}
MethodInfo mi = null;
if (!amfBody.IsRecordsetDelivery)
{
mi = MethodHandler.GetMethod(instance.GetType(), amfBody.Method, parameterList);
}
else
{
//will receive recordsetid only (ignore)
mi = instance.GetType().GetMethod(amfBody.Method);
}
if (mi != null)
{
object[] roleAttributes = mi.GetCustomAttributes(typeof(RoleAttribute), true);
if (roleAttributes != null && roleAttributes.Length == 1)
{
RoleAttribute roleAttribute = roleAttributes[0] as RoleAttribute;
string[] roles = roleAttribute.Roles.Split(',');
bool authorized = messageBroker.LoginManager.DoAuthorization(roles);
if (!authorized)
{
throw new UnauthorizedAccessException(__Res.GetString(__Res.Security_AccessNotAllowed));
}
}
#region Invocation handling
PageSizeAttribute pageSizeAttribute = null;
MethodInfo miCounter = null;
object[] pageSizeAttributes = mi.GetCustomAttributes(typeof(PageSizeAttribute), true);
if (pageSizeAttributes != null && pageSizeAttributes.Length == 1)
{
pageSizeAttribute = pageSizeAttributes[0] as PageSizeAttribute;
miCounter = instance.GetType().GetMethod(amfBody.Method + "Count");
if (miCounter != null && miCounter.ReturnType != typeof(System.Int32))
{
miCounter = null; //check signature
}
}
ParameterInfo[] parameterInfos = mi.GetParameters();
//Try to handle missing/optional parameters.
object[] args = new object[parameterInfos.Length];
if (!amfBody.IsRecordsetDelivery)
{
if (args.Length != parameterList.Count)
{
string msg = __Res.GetString(__Res.Arg_Mismatch, parameterList.Count, mi.Name, args.Length);
if (log != null && log.IsErrorEnabled)
{
log.Error(msg);
}
responseBody = new ErrorResponseBody(amfBody, new ArgumentException(msg));
messageOutput.AddBody(responseBody);
continue;
}
parameterList.CopyTo(args, 0);
if (pageSizeAttribute != null)
{
PagingContext pagingContext = new PagingContext(pageSizeAttribute.Offset, pageSizeAttribute.Limit);
PagingContext.SetPagingContext(pagingContext);
}
}
else
{
if (amfBody.Target.EndsWith(".release"))
{
responseBody = new ResponseBody(amfBody, null);
messageOutput.AddBody(responseBody);
continue;
}
string recordsetId = parameterList[0] as string;
string recordetDeliveryParameters = amfBody.GetRecordsetArgs();
byte[] buffer = System.Convert.FromBase64String(recordetDeliveryParameters);
recordetDeliveryParameters = System.Text.Encoding.UTF8.GetString(buffer);
if (recordetDeliveryParameters != null && recordetDeliveryParameters != string.Empty)
{
string[] stringParameters = recordetDeliveryParameters.Split(new char[] { ',' });
for (int j = 0; j < stringParameters.Length; j++)
{
if (stringParameters[j] == string.Empty)
{
args[j] = null;
}
else
{
args[j] = stringParameters[j];
}
}
//TypeHelper.NarrowValues(argsStore, parameterInfos);
}
PagingContext pagingContext = new PagingContext(System.Convert.ToInt32(parameterList[1]), System.Convert.ToInt32(parameterList[2]));
PagingContext.SetPagingContext(pagingContext);
}
TypeHelper.NarrowValues(args, parameterInfos);
try
{
InvocationHandler invocationHandler = new InvocationHandler(mi);
object result = invocationHandler.Invoke(instance, args);
if (FluorineConfiguration.Instance.CacheMap != null && FluorineConfiguration.Instance.CacheMap.ContainsCacheDescriptor(source))
{
//The result should be cached
CacheableObject cacheableObject = new CacheableObject(source, key, result);
FluorineConfiguration.Instance.CacheMap.Add(cacheableObject.Source, cacheableObject.CacheKey, cacheableObject);
result = cacheableObject;
}
responseBody = new ResponseBody(amfBody, result);
if (pageSizeAttribute != null)
{
int totalCount = 0;
string recordsetId = null;
IList list = amfBody.GetParameterList();
string recordetDeliveryParameters = null;
if (!amfBody.IsRecordsetDelivery)
{
//fist call paging
object[] argsStore = new object[list.Count];
list.CopyTo(argsStore, 0);
recordsetId = System.Guid.NewGuid().ToString();
if (miCounter != null)
{
//object[] counterArgs = new object[0];
totalCount = (int)miCounter.Invoke(instance, args);
}
string[] stringParameters = new string[argsStore.Length];
for (int j = 0; j < argsStore.Length; j++)
{
if (argsStore[j] != null)
{
stringParameters[j] = argsStore[j].ToString();
}
else
{
stringParameters[j] = string.Empty;
}
}
recordetDeliveryParameters = string.Join(",", stringParameters);
byte[] buffer = System.Text.Encoding.UTF8.GetBytes(recordetDeliveryParameters);
recordetDeliveryParameters = System.Convert.ToBase64String(buffer);
}
else
{
recordsetId = amfBody.GetParameterList()[0] as string;
}
if (result is DataTable)
{
DataTable dataTable = result as DataTable;
dataTable.ExtendedProperties["TotalCount"] = totalCount;
dataTable.ExtendedProperties["Service"] = recordetDeliveryParameters + "/" + amfBody.Target;
dataTable.ExtendedProperties["RecordsetId"] = recordsetId;
if (amfBody.IsRecordsetDelivery)
{
dataTable.ExtendedProperties["Cursor"] = Convert.ToInt32(list[list.Count - 2]);
dataTable.ExtendedProperties["DynamicPage"] = true;
}
}
}
}
catch (UnauthorizedAccessException exception)
{
responseBody = new ErrorResponseBody(amfBody, exception);
if (log.IsDebugEnabled)
{
log.Debug(exception.Message);
}
}
catch (Exception exception)
{
if (exception is TargetInvocationException && exception.InnerException != null)
{
responseBody = new ErrorResponseBody(amfBody, exception.InnerException);
}
else
{
responseBody = new ErrorResponseBody(amfBody, exception);
}
if (log.IsDebugEnabled)
{
log.Debug(__Res.GetString(__Res.Invocation_Failed, mi.Name, exception.Message));
}
}
#endregion Invocation handling
}
else
{
responseBody = new ErrorResponseBody(amfBody, new MissingMethodException(amfBody.TypeName, amfBody.Method));
}
}
finally
{
factoryInstance.OnOperationComplete(instance);
}
}
else
{
responseBody = new ErrorResponseBody(amfBody, new TypeInitializationException(amfBody.TypeName, null));
}
}
catch (Exception exception)
{
if (log != null && log.IsErrorEnabled)
{
log.Error(exception.Message + String.Format(" (Type: {0}, Method: {1})", amfBody.TypeName, amfBody.Method), exception);
}
responseBody = new ErrorResponseBody(amfBody, exception);
}
messageOutput.AddBody(responseBody);
}
}
public override object Invoke(IMessage message)
{
object result = null;
RemotingMessage remotingMessage = message as RemotingMessage;
string operation = remotingMessage.operation;
string className = this.DestinationDefinition.Properties.Source;
//This property is provided for backwards compatibility. The best practice, however, is to not expose the underlying source of a
//RemoteObject destination on the client and only one source to a destination.
if (remotingMessage.source != null && remotingMessage.source != string.Empty)
{
if (className == "*")
{
className = remotingMessage.source;
}
if (className != remotingMessage.source)
{
string msg = __Res.GetString(__Res.Type_MismatchMissingSource, remotingMessage.source, this.DestinationDefinition.Properties.Source as string);
throw new MessageException(msg, new TypeLoadException(msg));
}
}
if (className == null)
{
throw new TypeInitializationException("null", null);
}
//Service mapping obsolete for Flex Remoting
/*
* if (FluorineConfiguration.Instance.ServiceMap != null)
* {
* string method = remotingMessage.operation;
* if (FluorineConfiguration.Instance.ServiceMap.Contains(className))
* {
* string serviceLocation = FluorineConfiguration.Instance.ServiceMap.GetServiceLocation(className);
* method = FluorineConfiguration.Instance.ServiceMap.GetMethod(className, method);
* if (log != null && log.IsDebugEnabled)
* log.Debug(__Res.GetString(__Res.Service_Mapping, className + "." + remotingMessage.operation, serviceLocation + "." + method));
*
* className = serviceLocation;
* remotingMessage.operation = method;
* }
* }
*/
//Cache check
string source = className + "." + operation;
IList parameterList = remotingMessage.body as IList;
string key = dotFlex.Configuration.CacheMap.GenerateCacheKey(source, parameterList);
if (FluorineConfiguration.Instance.CacheMap.ContainsValue(key))
{
result = dotFlex.Configuration.FluorineConfiguration.Instance.CacheMap.Get(key);
if (result != null)
{
if (log != null && log.IsDebugEnabled)
{
log.Debug(__Res.GetString(__Res.Cache_HitKey, operation, key));
}
return(result);
}
}
FactoryInstance factoryInstance = this.Destination.GetFactoryInstance();
factoryInstance.Source = className;
object instance = factoryInstance.Lookup();
if (instance != null)
{
try
{
Type type = instance.GetType();
bool isAccessible = TypeHelper.GetTypeIsAccessible(type);
if (!isAccessible)
{
string msg = __Res.GetString(__Res.Type_InitError, type.FullName);
throw new MessageException(msg, new TypeLoadException(msg));
}
MethodInfo mi = MethodHandler.GetMethod(type, operation, parameterList);
if (mi != null)
{
try
{
//Messagebroker checked xml configured security, check attributes too
object[] roleAttributes = mi.GetCustomAttributes(typeof(RoleAttribute), true);
if (roleAttributes != null && roleAttributes.Length == 1)
{
RoleAttribute roleAttribute = roleAttributes[0] as RoleAttribute;
string[] roles = roleAttribute.Roles.Split(',');
bool authorized = this.Destination.Service.GetMessageBroker().LoginManager.DoAuthorization(roles);
if (!authorized)
{
throw new UnauthorizedAccessException(__Res.GetString(__Res.Security_AccessNotAllowed));
}
}
ParameterInfo[] parameterInfos = mi.GetParameters();
object[] args = new object[parameterInfos.Length];
parameterList.CopyTo(args, 0);
TypeHelper.NarrowValues(args, parameterInfos);
InvocationHandler invocationHandler = new InvocationHandler(mi);
result = invocationHandler.Invoke(instance, args);
}
catch (TargetInvocationException exception)
{
MessageException messageException = null;
if (exception.InnerException is MessageException)
{
messageException = exception.InnerException as MessageException;//User code throws MessageException
}
else
{
messageException = new MessageException(exception.InnerException);
}
if (log.IsDebugEnabled)
{
log.Debug(__Res.GetString(__Res.Invocation_Failed, mi.Name, messageException.Message));
}
return(messageException.GetErrorMessage());
//Do not throw here, we do not want to log user code exceptions.
//throw messageException;
}
}
else
{
throw new MessageException(new MissingMethodException(className, operation));
}
}
catch (MessageException)
{
throw;
}
catch (Exception exception)
{
MessageException messageException = new MessageException(exception);
throw messageException;
}
finally
{
factoryInstance.OnOperationComplete(instance);
}
}
else
{
throw new MessageException(new TypeInitializationException(className, null));
}
if (FluorineConfiguration.Instance.CacheMap != null && FluorineConfiguration.Instance.CacheMap.ContainsCacheDescriptor(source))
{
//The result should be cached
CacheableObject cacheableObject = new CacheableObject(source, key, result);
FluorineConfiguration.Instance.CacheMap.Add(cacheableObject.Source, cacheableObject.CacheKey, cacheableObject);
result = cacheableObject;
}
return(result);
}