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 = GodLesZ.Library.Amf.Configuration.CacheMap.GenerateCacheKey(source, parameterList);
if (FluorineConfiguration.Instance.CacheMap.ContainsValue(key)) {
object result = GodLesZ.Library.Amf.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;
}
}
FactoryInstance factoryInstance = destination.GetFactoryInstance();
factoryInstance.Source = amfBody.TypeName;
if (FluorineContext.Current.ActivationMode != null)//query string can override the activation mode
factoryInstance.Scope = FluorineContext.Current.ActivationMode;
object 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, amfBody.GetParameterList());
} 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, 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 = GodLesZ.Library.Amf.Configuration.CacheMap.GenerateCacheKey(source, parameterList);
if (FluorineConfiguration.Instance.CacheMap.ContainsValue(key)) {
result = GodLesZ.Library.Amf.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;
}
