static Action<IDbCommand, bool> GetBindByName(Type commandType)
{
if (commandType == null) return null; // GIGO
Action<IDbCommand, bool> action;
if (Link<Type, Action<IDbCommand, bool>>.TryGet(bindByNameCache, commandType, out action))
{
return action;
}
var prop = commandType.GetProperty("BindByName", BindingFlags.Public | BindingFlags.Instance);
action = null;
ParameterInfo[] indexers;
MethodInfo setter;
if (prop != null && prop.CanWrite && prop.PropertyType == typeof(bool)
&& ((indexers = prop.GetIndexParameters()) == null || indexers.Length == 0)
&& (setter = prop.GetSetMethod()) != null
)
{
var method = new DynamicMethod(commandType.GetOperationName() + "_BindByName", null, new Type[] { typeof(IDbCommand), typeof(bool) });
var il = method.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Castclass, commandType);
il.Emit(OpCodes.Ldarg_1);
il.EmitCall(OpCodes.Callvirt, setter, null);
il.Emit(OpCodes.Ret);
action = (Action<IDbCommand, bool>)method.CreateDelegate(typeof(Action<IDbCommand, bool>));
}
// cache it
Link<Type, Action<IDbCommand, bool>>.TryAdd(ref bindByNameCache, commandType, ref action);
return action;
}
public Message EmptyResponse(Message requestMsg, Type requestType)
{
var responseType = AssemblyUtils.FindType(requestType.FullName + "Response");
var response = (responseType ?? WebRequestUtils.GetErrorResponseDtoType(requestType)).CreateInstance();
return requestMsg.Headers.Action == null
? Message.CreateMessage(requestMsg.Version, null, response)
: Message.CreateMessage(requestMsg.Version, requestType.GetOperationName() + "Response", response);
}
protected override string CreateMessage(Type dtoType)
{
try
{
var requestObj = AutoMappingUtils.PopulateWith(Activator.CreateInstance(dtoType));
using (var ms = MemoryStreamFactory.GetStream())
{
HostContext.ContentTypes.SerializeToStream(
new BasicRequest { ContentType = this.ContentType }, requestObj, ms);
return Encoding.UTF8.GetString(ms.ToArray());
}
}
catch (Exception ex)
{
var error = $"Error serializing type '{dtoType.GetOperationName()}' with custom format '{this.ContentFormat}'";
Log.Error(error, ex);
return $"{{Unable to show example output for type '{dtoType.GetOperationName()}' using the custom '{this.ContentFormat}' filter}}{ex.Message}";
}
}
public static void WithMatchingAttributes(IServiceRoutes routes, Type requestType, string allowedVerbs)
{
var membersWithAttribute = (from p in requestType.GetPublicProperties()
let attributes = p.AllAttributes<Attribute>()
where attributes.Any(a => AttributeNamesToMatch.Contains(a.GetType().GetOperationName()))
select "{{{0}}}".Fmt(p.Name)).ToList();
if (membersWithAttribute.Count == 0) return;
membersWithAttribute.Insert(0, "/{0}".Fmt(requestType.GetOperationName()));
var restPath = membersWithAttribute.Join("/");
routes.Add(requestType, restPath: restPath, verbs: allowedVerbs, priority: AutoGenPriority);
}
public static void WithMatchingPropertyNames(IServiceRoutes routes, Type requestType, string allowedVerbs)
{
var membersWithName = (from property in requestType.GetPublicProperties().Select(p => p.Name)
from name in PropertyNamesToMatch
where property.Equals(name, StringComparison.InvariantCultureIgnoreCase)
select "{{{0}}}".Fmt(property)).ToList();
if (membersWithName.Count == 0) return;
membersWithName.Insert(0, "/{0}".Fmt(requestType.GetOperationName()));
var restPath = membersWithName.Join("/");
routes.Add(requestType, restPath: restPath, verbs: allowedVerbs, priority: AutoGenPriority);
}
public ServiceExecFn GetService(Type requestType)
{
ServiceExecFn handlerFn;
if (!requestExecMap.TryGetValue(requestType, out handlerFn))
{
throw new NotImplementedException(string.Format("Unable to resolve service '{0}'", requestType.GetOperationName()));
}
return handlerFn;
}
/// <summary>
/// Gets the name of the base most type in the heirachy tree with the same.
///
/// We get an exception when trying to create a schema with multiple types of the same name
/// like when inheriting from a DataContract with the same name.
/// </summary>
/// <param name="type">The type.</param>
/// <returns></returns>
public static Type GetBaseTypeWithTheSameName(Type type)
{
var typesWithSameName = new Stack<Type>();
var baseType = type;
do
{
if (baseType.GetOperationName() == type.GetOperationName())
typesWithSameName.Push(baseType);
}
while ((baseType = baseType.BaseType) != null);
return typesWithSameName.Pop();
}
public MetadataType ToType(Type type)
{
if (type == null)
return null;
if (type.IsGenericType())
type = type.GetGenericTypeDefinition();
var metaType = new MetadataType
{
Name = type.GetOperationName(),
Namespace = type.Namespace,
GenericArgs = type.IsGenericType() ? GetGenericArgs(type) : null,
Implements = ToInterfaces(type),
Attributes = ToAttributes(type),
Properties = ToProperties(type),
IsNested = type.IsNested ? true : (bool?)null,
IsEnum = type.IsEnum() ? true : (bool?)null,
IsEnumInt = JsConfig.TreatEnumAsInteger || type.IsEnumFlags() ? true : (bool?)null,
IsInterface = type.IsInterface() ? true : (bool?)null,
IsAbstract = type.IsAbstract() ? true : (bool?)null,
};
if (type.BaseType() != null && type.BaseType() != typeof(object) && !type.IsEnum()
&& !type.HasInterface(typeof(IService)))
{
metaType.Inherits = ToTypeName(type.BaseType());
}
if (type.GetTypeWithInterfaceOf(typeof(IReturnVoid)) != null)
{
metaType.ReturnVoidMarker = true;
}
else
{
var genericMarker = type != typeof(IReturn<>)
? type.GetTypeWithGenericTypeDefinitionOf(typeof(IReturn<>))
: null;
if (genericMarker != null)
{
var returnType = genericMarker.GetGenericArguments().First();
metaType.ReturnMarkerTypeName = ToTypeName(returnType);
}
}
var routeAttrs = HostContext.AppHost.GetRouteAttributes(type).ToList();
if (routeAttrs.Count > 0)
{
metaType.Routes = routeAttrs.ConvertAll(x =>
new MetadataRoute
{
Path = x.Path,
Notes = x.Notes,
Summary = x.Summary,
Verbs = x.Verbs,
});
}
metaType.Description = type.GetDescription();
var dcAttr = type.GetDataContract();
if (dcAttr != null)
{
metaType.DataContract = new MetadataDataContract
{
Name = dcAttr.Name,
Namespace = dcAttr.Namespace,
};
}
if (type.IsEnum())
{
metaType.EnumNames = new List<string>();
metaType.EnumValues = new List<string>();
var isDefaultLayout = true;
var values = Enum.GetValues(type);
for (var i = 0; i < values.Length; i++)
{
var value = values.GetValue(i);
var name = value.ToString();
var enumValue = Convert.ToInt64(value).ToString();
if (enumValue != i.ToString())
isDefaultLayout = false;
metaType.EnumNames.Add(name);
metaType.EnumValues.Add(enumValue);
}
if (isDefaultLayout)
metaType.EnumValues = null;
}
var innerTypes = type.GetNestedTypes(BindingFlags.Public | BindingFlags.NonPublic);
foreach (var innerType in innerTypes)
{
if (metaType.InnerTypes == null)
metaType.InnerTypes = new List<MetadataTypeName>();
metaType.InnerTypes.Add(new MetadataTypeName
{
Name = innerType.GetOperationName(),
Namespace = innerType.Namespace,
GenericArgs = innerType.IsGenericType()
? innerType.GetGenericArguments().Select(x => x.GetOperationName()).ToArray()
: null,
});
}
return metaType;
}
public MetadataTypeName ToTypeName(Type type)
{
if (type == null) return null;
return new MetadataTypeName
{
Name = type.GetOperationName(),
Namespace = type.Namespace,
GenericArgs = type.IsGenericType()
? type.GetGenericArguments().Select(x => x.GetOperationName()).ToArray()
: null,
};
}
public void AssertServiceRestrictions(Type requestType, RequestAttributes actualAttributes)
{
if (!appHost.Config.EnableAccessRestrictions) return;
if ((RequestAttributes.InProcess & actualAttributes) == RequestAttributes.InProcess) return;
RestrictAttribute restrictAttr;
var hasNoAccessRestrictions = !requestServiceAttrs.TryGetValue(requestType, out restrictAttr)
|| restrictAttr.HasNoAccessRestrictions;
if (hasNoAccessRestrictions)
{
return;
}
var failedScenarios = StringBuilderCache.Allocate();
foreach (var requiredScenario in restrictAttr.AccessibleToAny)
{
var allServiceRestrictionsMet = (requiredScenario & actualAttributes) == actualAttributes;
if (allServiceRestrictionsMet)
{
return;
}
var passed = requiredScenario & actualAttributes;
var failed = requiredScenario & ~(passed);
failedScenarios.AppendFormat("\n -[{0}]", failed);
}
var internalDebugMsg = (RequestAttributes.InternalNetworkAccess & actualAttributes) != 0
? "\n Unauthorized call was made from: " + actualAttributes
: "";
throw new UnauthorizedAccessException(
string.Format("Could not execute service '{0}', The following restrictions were not met: '{1}'" + internalDebugMsg,
requestType.GetOperationName(), StringBuilderCache.ReturnAndFree(failedScenarios)));
}
public ServiceExecFn GetService(Type requestType)
{
ServiceExecFn handlerFn;
if (!requestExecMap.TryGetValue(requestType, out handlerFn))
{
if (requestType.IsArray)
{
var elType = requestType.GetElementType();
if (requestExecMap.TryGetValue(elType, out handlerFn))
{
return CreateAutoBatchServiceExec(handlerFn);
}
}
throw new NotImplementedException(string.Format("Unable to resolve service '{0}'", requestType.GetOperationName()));
}
return handlerFn;
}
public void RegisterRestPaths(Type requestType)
{
var attrs = appHost.GetRouteAttributes(requestType);
foreach (RouteAttribute attr in attrs)
{
var restPath = new RestPath(requestType, attr.Path, attr.Verbs, attr.Summary, attr.Notes);
var defaultAttr = attr as FallbackRouteAttribute;
if (defaultAttr != null)
{
if (appHost.Config.FallbackRestPath != null)
throw new NotSupportedException(string.Format(
"Config.FallbackRestPath is already defined. Only 1 [FallbackRoute] is allowed."));
appHost.Config.FallbackRestPath = (httpMethod, pathInfo, filePath) =>
{
var pathInfoParts = RestPath.GetPathPartsForMatching(pathInfo);
return restPath.IsMatch(httpMethod, pathInfoParts) ? restPath : null;
};
continue;
}
if (!restPath.IsValid)
throw new NotSupportedException(string.Format(
"RestPath '{0}' on Type '{1}' is not Valid", attr.Path, requestType.GetOperationName()));
RegisterRestPath(restPath);
}
}
public MetadataType ToType(Type type)
{
if (type == null) return null;
var metaType = new MetadataType
{
Name = type.GetOperationName(),
Namespace = type.Namespace,
GenericArgs = type.IsGenericType
? type.GetGenericArguments().Select(x => x.GetOperationName()).ToArray()
: null,
Attributes = ToAttributes(type),
Properties = ToProperties(type),
};
if (type.BaseType != null && type.BaseType != typeof(object))
{
metaType.Inherits = new MetadataTypeName
{
Name = type.BaseType.GetOperationName(),
GenericArgs = type.BaseType.IsGenericType
? type.BaseType.GetGenericArguments().Select(x => x.GetOperationName()).ToArray()
: null
};
}
if (type.GetTypeWithInterfaceOf(typeof(IReturnVoid)) != null)
{
metaType.ReturnVoidMarker = true;
}
else
{
var genericMarker = type.GetTypeWithGenericTypeDefinitionOf(typeof(IReturn<>));
if (genericMarker != null)
{
metaType.ReturnMarkerTypeName = ToTypeName(genericMarker.GetGenericArguments().First());
}
}
var routeAttrs = HostContext.AppHost.GetRouteAttributes(type).ToList();
if (routeAttrs.Count > 0)
{
metaType.Routes = routeAttrs.ConvertAll(x =>
new MetadataRoute
{
Path = x.Path,
Notes = x.Notes,
Summary = x.Summary,
Verbs = x.Verbs,
});
}
metaType.Description = type.GetDescription();
var dcAttr = type.GetDataContract();
if (dcAttr != null)
{
metaType.DataContract = new MetadataDataContract
{
Name = dcAttr.Name,
Namespace = dcAttr.Namespace,
};
}
return metaType;
}
public ServiceExecFn GetService(Type requestType)
{
ServiceExecFn handlerFn;
if (!requestExecMap.TryGetValue(requestType, out handlerFn))
{
if (requestType.IsArray)
{
var elType = requestType.GetElementType();
if (requestExecMap.TryGetValue(elType, out handlerFn))
{
return (req, dtos) =>
from object dto in (IEnumerable)dtos
select handlerFn(req, dto);
}
}
throw new NotImplementedException(string.Format("Unable to resolve service '{0}'", requestType.GetOperationName()));
}
return handlerFn;
}
public ExecOnceOnly(IRedisClientsManager redisManager, Type forType, string correlationId)
: this(redisManager, "hash:nx:" + forType.GetOperationName(), correlationId) { }
public static Message CreateResponseMessage(object response, MessageVersion msgVersion, Type requestType, bool noMsgAction)
{
var useXmlSerializerResponse = response != null && response.GetType().HasAttribute<XmlSerializerFormatAttribute>();
if (useXmlSerializerResponse)
{
return noMsgAction
? Message.CreateMessage(msgVersion, null, response,
new XmlSerializerWrapper(response.GetType()))
: Message.CreateMessage(msgVersion, requestType.GetOperationName() + "Response", response,
new XmlSerializerWrapper(response.GetType()));
}
return noMsgAction
? Message.CreateMessage(msgVersion, null, response)
: Message.CreateMessage(msgVersion, requestType.GetOperationName() + "Response", response);
}
public ExecOnceOnly(IRedisClientsManager redisManager, Type forType, Guid? correlationId)
: this(redisManager, "hash:nx:" + forType.GetOperationName(), (correlationId.HasValue ? correlationId.Value.ToString("N") : null)) { }
public static void WithRequestDtoName(IServiceRoutes routes, Type requestType, string allowedVerbs)
{
routes.Add(requestType, restPath: "/{0}".Fmt(requestType.GetOperationName()), verbs: allowedVerbs, priority:AutoGenPriority);
}
public void RegisterService(ITypeFactory serviceFactoryFn, Type serviceType)
{
var processedReqs = new HashSet<Type>();
if (IsServiceType(serviceType))
{
foreach (var mi in serviceType.GetActions())
{
var requestType = mi.GetParameters()[0].ParameterType;
if (processedReqs.Contains(requestType)) continue;
processedReqs.Add(requestType);
RegisterServiceExecutor(requestType, serviceType, serviceFactoryFn);
var returnMarker = requestType.GetTypeWithGenericTypeDefinitionOf(typeof(IReturn<>));
var responseType = returnMarker != null ?
returnMarker.GetGenericArguments()[0]
: mi.ReturnType != typeof(object) && mi.ReturnType != typeof(void) ?
mi.ReturnType
: AssemblyUtils.FindType(requestType.FullName + ResponseDtoSuffix);
RegisterRestPaths(requestType);
appHost.Metadata.Add(serviceType, requestType, responseType);
if (typeof(IRequiresRequestStream).IsAssignableFrom(requestType))
{
this.RequestTypeFactoryMap[requestType] = req =>
{
var restPath = req.GetRoute();
var request = RestHandler.CreateRequest(req, restPath, req.GetRequestParams(), requestType.CreateInstance());
var rawReq = (IRequiresRequestStream)request;
rawReq.RequestStream = req.InputStream;
return rawReq;
};
}
if (Log.IsDebugEnabled)
Log.DebugFormat("Registering {0} service '{1}' with request '{2}'",
responseType != null ? "Reply" : "OneWay", serviceType.GetOperationName(), requestType.GetOperationName());
}
}
}
