public override void Invoke(AMFContext context)
{
AMFMessage amfMessage = context.AMFMessage;
AMFHeader amfHeader = amfMessage.GetHeader( AMFHeader.DebugHeader );
if( amfHeader != null )
{
//The value of the header
ASObject asObject = amfHeader.Content as ASObject;
//["error"]: {true}
//["trace"]: {true}
//["httpheaders"]: {false}
//["coldfusion"]: {true}
//["amf"]: {false}
//["m_debug"]: {true}
//["amfheaders"]: {false}
//["recordset"]: {true}
AMFBody amfBody = amfMessage.GetBodyAt(amfMessage.BodyCount-1);//last body
ResponseBody amfBodyOut = new ResponseBody();
amfBodyOut.Target = amfBody.Response + AMFBody.OnDebugEvents;
amfBodyOut.Response = null;
amfBodyOut.IsDebug = true;
ArrayList headerResults = new ArrayList();
ArrayList result = new ArrayList();
headerResults.Add( result );
if( (bool)asObject["httpheaders"] == true )
{
//If the client wants http headers
result.Add( new HttpHeader( ) );
}
if( (bool)asObject["amfheaders"] == true )
{
result.Add( new AMFRequestHeaders( amfMessage ) );
}
ArrayList traceStack = NetDebug.GetTraceStack();
if( (bool)asObject["trace"] == true && traceStack != null && traceStack.Count > 0 )
{
ArrayList tmp = new ArrayList( traceStack );
result.Add( new TraceHeader( tmp ) );
NetDebug.Clear();
}
//http://osflash.org/amf/envelopes/remoting/debuginfo
amfBodyOut.Content = headerResults;
context.MessageOutput.AddBody(amfBodyOut);
}
NetDebug.Clear();
}
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;
}
}
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 void Invoke(AMFContext context)
{
MessageOutput messageOutput = context.MessageOutput;
for(int i = 0; i < context.AMFMessage.BodyCount; i++)
{
AMFBody amfBody = context.AMFMessage.GetBodyAt(i);
if( !amfBody.IsEmptyTarget )
continue;
object content = amfBody.Content;
if( content is IList )
content = (content as IList)[0];
IMessage message = content as IMessage;
//Check for Flex2 messages and handle
if( message != null )
{
//if (FluorineContext.Current.Client == null)
// FluorineContext.Current.SetCurrentClient(_endpoint.GetMessageBroker().ClientRegistry.GetClient(message));
if(message.clientId == null)
message.clientId = Guid.NewGuid().ToString("D");
//Check if response exists.
ResponseBody responseBody = messageOutput.GetResponse(amfBody);
if( responseBody != null )
{
continue;
}
try
{
if (context.AMFMessage.BodyCount > 1)
{
CommandMessage commandMessage = message as CommandMessage;
//Suppress poll wait if there are more messages to process
if (commandMessage != null && commandMessage.operation == CommandMessage.PollOperation )
commandMessage.SetHeader(CommandMessage.FluorineSuppressPollWaitHeader, null);
}
IMessage resultMessage = _endpoint.ServiceMessage(message);
if (resultMessage is ErrorMessage)
{
ErrorMessage errorMessage = resultMessage as ErrorMessage;
responseBody = new ErrorResponseBody(amfBody, message, resultMessage as ErrorMessage);
if (errorMessage.faultCode == ErrorMessage.ClientAuthenticationError)
{
messageOutput.AddBody(responseBody);
for (int j = i + 1; j < context.AMFMessage.BodyCount; j++)
{
amfBody = context.AMFMessage.GetBodyAt(j);
if (!amfBody.IsEmptyTarget)
continue;
content = amfBody.Content;
if (content is IList)
content = (content as IList)[0];
message = content as IMessage;
//Check for Flex2 messages and handle
if (message != null)
{
responseBody = new ErrorResponseBody(amfBody, message, new SecurityException(errorMessage.faultString));
messageOutput.AddBody(responseBody);
}
}
//Leave further processing
return;
}
}
else
{
responseBody = new ResponseBody(amfBody, resultMessage);
}
}
catch(Exception exception)
{
if( log != null && log.IsErrorEnabled )
log.Error(exception.Message, exception);
responseBody = new ErrorResponseBody(amfBody, message, exception);
}
messageOutput.AddBody(responseBody);
}
}
}
object ProcessMessage(AMFMessage amfMessage)
{
// Apply AMF-based operation selector
/*
Dictionary<string, string> operationNameDictionary = new Dictionary<string, string>();
foreach (OperationDescription operation in _endpoint.Contract.Operations)
{
try
{
operationNameDictionary.Add(operation.Name.ToLower(), operation.Name);
}
catch (ArgumentException)
{
throw new Exception(String.Format("The specified contract cannot be used with case insensitive URI dispatch because there is more than one operation named {0}", operation.Name));
}
}
*/
//SessionMode, CallbackContract, ProtectionLevel
AMFMessage output = new AMFMessage(amfMessage.Version);
for (int i = 0; i < amfMessage.BodyCount; i++)
{
AMFBody amfBody = amfMessage.GetBodyAt(i);
object content = amfBody.Content;
if (content is IList)
content = (content as IList)[0];
IMessage message = content as IMessage;
if (message != null)
{
//WCF should not assign client id for Flex...
if (message.clientId == null)
message.clientId = Guid.NewGuid().ToString("D");
//IMessage resultMessage = _endpoint.ServiceMessage(message);
IMessage responseMessage = null;
CommandMessage commandMessage = message as CommandMessage;
if (commandMessage != null && commandMessage.operation == CommandMessage.ClientPingOperation)
{
responseMessage = new AcknowledgeMessage();
responseMessage.body = true;
}
else
{
RemotingMessage remotingMessage = message as RemotingMessage;
string operation = remotingMessage.operation;
//TODO: you could use an alias for a contract to expose a different name to the clients in the metadata using the Name property of the ServiceContract attribute
string source = remotingMessage.source;
Type serviceType = TypeHelper.Locate(source);
Type contractInterface = serviceType.GetInterface(_endpoint.Contract.ContractType.FullName);
//WCF also lets you apply the ServiceContract attribute directly on the service class. Avoid using it.
//ServiceContractAttribute serviceContractAttribute = ReflectionUtils.GetAttribute(typeof(ServiceContractAttribute), type, true) as ServiceContractAttribute;
if (contractInterface != null)
{
object instance = Activator.CreateInstance(serviceType);
IList parameterList = remotingMessage.body as IList;
MethodInfo mi = MethodHandler.GetMethod(contractInterface, operation, parameterList, false, false);
//MethodInfo mi = MethodHandler.GetMethod(serviceType, operation, parameterList, false, false);
if (mi != null)
{
//TODO OperationContract attribute to alias it to a different publicly exposed name
OperationContractAttribute operationContractAttribute = ReflectionUtils.GetAttribute(typeof(OperationContractAttribute), mi, true) as OperationContractAttribute;
if (operationContractAttribute != null)
{
//mi = MethodHandler.GetMethod(serviceType, operation, parameterList, false, false);
ParameterInfo[] parameterInfos = mi.GetParameters();
object[] args = new object[parameterInfos.Length];
parameterList.CopyTo(args, 0);
TypeHelper.NarrowValues(args, parameterInfos);
object result = mi.Invoke(instance, args);
if (!(result is IMessage))
{
responseMessage = new AcknowledgeMessage();
responseMessage.body = result;
}
else
responseMessage = result as IMessage;
}
else
responseMessage = ErrorMessage.GetErrorMessage(remotingMessage, new SecurityException("Method in not part of an service contract"));
}
else
responseMessage = ErrorMessage.GetErrorMessage(remotingMessage, new SecurityException("Method in not part of an service contract"));
}
else
responseMessage = ErrorMessage.GetErrorMessage(remotingMessage, new SecurityException(String.Format("The specified contract {0} cannot be used with the source named {1} and operation named {2}", _endpoint.Contract.ContractType.Name, source, operation)));
}
if (responseMessage is AsyncMessage)
{
((AsyncMessage)responseMessage).correlationId = message.messageId;
}
responseMessage.destination = message.destination;
responseMessage.clientId = message.clientId;
ResponseBody responseBody = new ResponseBody(amfBody, responseMessage);
output.AddBody(responseBody);
}
}
return output;
}
/// <summary>
/// This method supports the Fluorine infrastructure and is not intended to be used directly from your code.
/// </summary>
/// <param name="amfMessage"></param>
public void WriteMessage(AMFMessage amfMessage)
{
try
{
base.WriteShort(amfMessage.Version);
int headerCount = amfMessage.HeaderCount;
base.WriteShort(headerCount);
for (int i = 0; i < headerCount; i++)
{
this.WriteHeader(amfMessage.GetHeaderAt(i), ObjectEncoding.AMF0);
}
int bodyCount = amfMessage.BodyCount;
base.WriteShort(bodyCount);
for (int i = 0; i < bodyCount; i++)
{
ResponseBody responseBody = amfMessage.GetBodyAt(i) as ResponseBody;
if (responseBody != null && !responseBody.IgnoreResults)
{
//Try to catch serialization errors
if (this.BaseStream.CanSeek)
{
long position = this.BaseStream.Position;
try
{
responseBody.WriteBody(amfMessage.ObjectEncoding, this);
}
catch (Exception exception)
{
this.BaseStream.Seek(position, SeekOrigin.Begin);
//this.BaseStream.Position = position;
#if !SILVERLIGHT
if (log.IsFatalEnabled)
{
log.Fatal(__Res.GetString(__Res.Amf_SerializationFail), exception);
}
#endif
ErrorResponseBody errorResponseBody;
if (responseBody.RequestBody.IsEmptyTarget)
{
object content = responseBody.RequestBody.Content;
if (content is IList)
{
content = (content as IList)[0];
}
IMessage message = content as IMessage;
MessageException messageException = new MessageException(exception);
messageException.FaultCode = __Res.GetString(__Res.Amf_SerializationFail);
errorResponseBody = new ErrorResponseBody(responseBody.RequestBody, message, messageException);
}
else
{
errorResponseBody = new ErrorResponseBody(responseBody.RequestBody, exception);
}
try
{
errorResponseBody.WriteBody(amfMessage.ObjectEncoding, this);
}
#if !SILVERLIGHT
catch (Exception exception2)
{
if (log.IsFatalEnabled)
{
log.Fatal(__Res.GetString(__Res.Amf_ResponseFail), exception2);
}
throw;
}
#else
catch (Exception)
{
throw;
}
#endif
}
}
else
{
responseBody.WriteBody(amfMessage.ObjectEncoding, this);
}
}
else
{
AMFBody amfBody = amfMessage.GetBodyAt(i);
FluorineFx.Util.ValidationUtils.ObjectNotNull(amfBody, "amfBody");
amfBody.WriteBody(amfMessage.ObjectEncoding, this);
}
}
}
#if !SILVERLIGHT
catch (Exception exception)
{
if (log.IsFatalEnabled)
{
log.Fatal(__Res.GetString(__Res.Amf_SerializationFail), exception);
}
throw;
}
#else
catch (Exception)
{
throw;
}
#endif
}
