public RouteHandler(
string service,
string template,
object instance,
MethodInfo method,
IServiceProvider locator,
IWireSerialization serialization)
{
this.Service = "/" + service.ToLowerInvariant();
this.Template = template;
this.Pattern = new UriPattern(template == "*" ? "/*" : template);
var methodParams = method.GetParameters();
TotalParams = methodParams.Length;
WithStream = TotalParams != 0 && methodParams[TotalParams - 1].ParameterType == typeof(Stream);
var lamParams = new ParameterExpression[5];
lamParams[0] = Expression.Parameter(typeof(string[]), "strArr");
lamParams[1] = Expression.Parameter(typeof(IRequestContext), "request");
lamParams[2] = Expression.Parameter(typeof(IResponseContext), "response");
lamParams[3] = Expression.Parameter(typeof(Stream), "input");
lamParams[4] = Expression.Parameter(typeof(ChunkedMemoryStream), "output");
var expArgs = new Expression[TotalParams];
var argInd = 0;
for (int i = 0; i < TotalParams; i++)
{
var mp = methodParams[i];
if (mp.ParameterType == typeof(IRequestContext))
{
expArgs[i] = lamParams[1];
}
else if (mp.ParameterType == typeof(IResponseContext))
{
expArgs[i] = lamParams[2];
}
else if (i < TotalParams - 1 || !WithStream)
{
expArgs[i] = Expression.ArrayIndex(lamParams[0], Expression.Constant(argInd++));
}
else
{
expArgs[i] = lamParams[3];
}
}
var mce = Expression.Call(Expression.Constant(instance, instance.GetType()), method, expArgs);
if (typeof(IHtmlView).IsAssignableFrom(method.ReturnType))
{
mce = Expression.Call(null, RenderFunc.Method, mce, lamParams[2], lamParams[4]);
}
else if (!typeof(Stream).IsAssignableFrom(method.ReturnType) && method.ReturnType != typeof(void))
{
var ws = Expression.Constant(serialization);
mce = Expression.Call(null, SerializeFunc.Method, ws, lamParams[1], lamParams[2], mce, lamParams[4]);
}
var lambda = Expression.Lambda <Func <string[], IRequestContext, IResponseContext, Stream, ChunkedMemoryStream, Stream> >(mce, lamParams);
Invocation = lambda.Compile();
}
public static Either <object> ParseGenericSpecification <TFormat>(this IWireSerialization serializer, Either <Type> domainType, Stream data)
{
if (domainType.IsFailure)
{
return(domainType.Error);
}
var genSer = serializer.GetSerializer <TFormat>();
var specType = typeof(GenericSpecification <,>).MakeGenericType(domainType.Result, typeof(TFormat));
try
{
var arg = ParseObject(serializer, typeof(Dictionary <string, List <KeyValuePair <int, TFormat> > >), data, true, null);
if (arg.IsFailure)
{
return(arg.Error);
}
return(Activator.CreateInstance(specType, genSer, arg.Result));
}
catch (Exception ex)
{
if (ex.InnerException != null)
{
ex = ex.InnerException;
}
var specArg = new Dictionary <string, List <KeyValuePair <int, TFormat> > >();
specArg["URI"] = new List <KeyValuePair <int, TFormat> >(new[] { new KeyValuePair <int, TFormat>(1, genSer.Serialize("1001")) });
return(@"Error deserializing specification. " + ex.Message + @"
Example:
" + serializer.SerializeToString(specArg));
}
}
public CommandConverter(
IRestApplication application,
IObjectFactory objectFactory,
IProcessingEngine processingEngine,
IWireSerialization serialization,
ISerialization <Stream> protobuf,
ISerialization <XElement> xml,
ISerialization <StreamReader> json)
{
Contract.Requires(application != null);
Contract.Requires(objectFactory != null);
Contract.Requires(processingEngine != null);
Contract.Requires(serialization != null);
Contract.Requires(protobuf != null);
Contract.Requires(xml != null);
Contract.Requires(json != null);
this.Application = application;
this.ObjectFactory = objectFactory;
this.ProcessingEngine = processingEngine;
this.Serialization = serialization;
this.Protobuf = protobuf;
this.Xml = xml;
this.Json = json;
}
public ExecuteCommand(IObjectFactory objectFactory, IWireSerialization serialization, ILoggerProvider loggerProvider)
{
this.objectFactory = objectFactory;
this.serialization = serialization;
this.streamingContext = new StreamingContext(StreamingContextStates.All, objectFactory);
this.logger = loggerProvider.CreateLogger(typeof(ExecuteCommand <T>).FullName);
}
private void ConfigureService(IServiceProvider locator, IWireSerialization serialization, string name, Type type)
{
var instance = locator.GetService(type);
foreach (var i in new[] { type }.Union(type.GetInterfaces()))
{
foreach (var m in i.GetMethods())
{
var inv = (WebInvokeAttribute[])m.GetCustomAttributes(typeof(WebInvokeAttribute), false);
var get = (WebGetAttribute[])m.GetCustomAttributes(typeof(WebGetAttribute), false);
var route = (RouteAttribute[])m.GetCustomAttributes(typeof(RouteAttribute), false);
foreach (var at in inv)
{
var rh = new RouteHandler(name, at.UriTemplate, instance, true, m, locator, serialization);
Add(at.Method, rh);
}
foreach (var at in get)
{
var rh = new RouteHandler(name, at.UriTemplate, instance, true, m, locator, serialization);
Add("GET", rh);
}
foreach (var at in route)
{
var rh = new RouteHandler(name, at.Path, instance, at.IsAsync, m, locator, serialization);
Add(at.Method, rh);
}
}
}
}
public static object Deserialize(
IWireSerialization serialization,
Stream input,
Type target,
string contentType,
StreamingContext context)
{
return(serialization.Deserialize(input, target, contentType, context));
}
public RestApplication(
IProcessingEngine processingEngine,
IObjectFactory objectFactory,
IWireSerialization serialization)
{
this.ProcessingEngine = processingEngine;
this.ObjectFactory = objectFactory;
this.Serialization = serialization;
}
private static string SerializeToString(this IWireSerialization serializer, object instance)
{
using (var cms = ChunkedMemoryStream.Create())
{
var ct = serializer.Serialize(instance, ThreadContext.Request.Accept, cms);
ThreadContext.Response.ContentType = ct;
return(cms.GetReader().ReadToEnd());
}
}
/// <summary>
/// Deserialize typesafe object without providing context information.
/// .NET objects or value objects don't require context so they can be deserialized
/// without IServiceLocator in context.
/// </summary>
/// <typeparam name="T">object type</typeparam>
/// <param name="serialization">serialization service</param>
/// <param name="source">serialized object in specified format</param>
/// <param name="contentType">MIME type specifying the format</param>
/// <returns>deserialized object</returns>
public static T Deserialize <T>(
this IWireSerialization serialization,
Stream source,
string contentType)
{
Contract.Requires(serialization != null);
return((T)serialization.Deserialize(source, typeof(T), contentType, default(StreamingContext)));
}
private static string SerializeToString(this IWireSerialization serializer, object instance)
{
using (var ms = new MemoryStream())
{
var ct = serializer.Serialize(instance, ThreadContext.Request.Accept, ms);
ThreadContext.Response.ContentType = ct;
var sr = new StreamReader(ms);
return(sr.ReadToEnd());
}
}
protected BaseServerCommand(IServiceProvider locator, IDataContext context, IDatabaseQuery databaseQuery, IDomainModel domainModel, IWireSerialization serialization, ICommandConverter converter)
{
//TODO Is it bad to have a base Command like this that injects many of these:
this.locator = locator;
this.context = context;
this.databaseQuery = databaseQuery;
this.domainModel = domainModel;
this.serialization = serialization;
this.converter = converter;
}
public static Try <object> ParseObject(
IWireSerialization serializer,
Try <Type> maybeType,
Stream data,
bool canCreate,
IServiceProvider locator,
HttpContext context)
{
if (maybeType.IsFailure)
{
return(Try <object> .Error);
}
var type = maybeType.Result;
if (type == null)
{
return(Try <object> .Empty);
}
if (data == null)
{
if (canCreate == false)
{
return(Try.Fail <object>(@"{0} must be provided. Example:
{1}".With(type.FullName, serializer.EmptyInstanceString(type, context)), context.Response));
}
try
{
return(Activator.CreateInstance(type));
}
catch (Exception ex)
{
return(Try.Fail <object>(@"Can't create instance of {0}. Data must be provided. Error: {1}. Example:
{2}".With(type.FullName, ex.Message, serializer.EmptyInstanceString(type, context)), context.Response));
}
}
try
{
//TODO: deserialize async
var sc = new StreamingContext(StreamingContextStates.All, locator);
//TODO: objects deserialized here will have global scope access. Do OnDeserialized again later in scope
return(serializer.Deserialize(data, type, context.Request.ContentType, sc));
}
catch (TargetInvocationException tie)
{
var ex = tie.InnerException ?? tie;
return(Try.Fail <object>(@"Can't deserialize {0}. Error: {1}. Example:
{2}".With(type.FullName, ex.Message, serializer.EmptyInstanceString(type, context)), context.Response));
}
catch (Exception ex)
{
return(Try.Fail <object>(@"Can't deserialize {0}. Error: {1}. Example:
{2}".With(type.FullName, ex.Message, serializer.EmptyInstanceString(type, context)), context.Response));
}
}
public RestApplication(
IProcessingEngine processingEngine,
IObjectFactory objectFactory,
IWireSerialization serialization,
IPluginRepository <IServerCommand> commandsRepository)
{
this.ProcessingEngine = processingEngine;
this.ObjectFactory = objectFactory;
this.Serialization = serialization;
this.CommandsRepository = commandsRepository;
}
public CrudCommands(
IServiceLocator locator,
ICommandConverter converter,
IDomainModel domainModel,
IWireSerialization serialization)
{
this.Locator = locator;
this.Converter = converter;
this.DomainModel = domainModel;
this.Serialization = serialization;
}
public CrudCommands(
IServiceProvider locator,
ICommandConverter converter,
IDomainModel domainModel,
IWireSerialization serialization)
{
this.Locator = locator;
this.Converter = converter;
this.DomainModel = domainModel;
this.Serialization = serialization;
}
public CachingDomainCommands(
IDomainModel domainModel,
DomainCommands domainCommands,
IServiceProvider locator,
IWireSerialization serialization)
{
this.DomainModel = domainModel;
this.DomainCommands = domainCommands;
this.Locator = locator;
this.Serialization = serialization;
}
public CommandConverter(
RestApplication application,
IObjectFactory objectFactory,
IProcessingEngine processingEngine,
IWireSerialization serialization)
{
this.Application = application;
this.ObjectFactory = objectFactory;
this.ProcessingEngine = processingEngine;
this.Serialization = serialization;
}
public ReportingMiddleware(
IServiceProvider locator,
CommandConverter converter,
IDomainModel domainModel,
IWireSerialization serialization)
{
this.Locator = locator;
this.Converter = converter;
this.DomainModel = domainModel;
this.Serialization = serialization;
}
public DomainController(
IServiceProvider locator,
CommandConverter converter,
IDomainModel domainModel,
IWireSerialization serialization)
{
this.Locator = locator;
this.Converter = converter;
this.DomainModel = domainModel;
this.Serialization = serialization;
}
public Routes(IServiceProvider locator, IWireSerialization serialization)
{
var totalControllers = 0;
foreach (var t in AssemblyScanner.GetAllTypes())
{
if (t.IsClass && !t.IsAbstract && (t.IsPublic || t.IsNestedPublic))
{
var attr = t.GetCustomAttributes(typeof(ControllerAttribute), false) as ControllerAttribute[];
if (attr != null && attr.Length > 0)
{
totalControllers++;
foreach (var a in attr)
ConfigureService(locator, serialization, a.RootUrl, t);
}
}
}
var config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
var xml = XElement.Load(config.FilePath, LoadOptions.None);
var sm = xml.Element("system.serviceModel");
if (sm == null)
{
if (totalControllers > 0) return;
throw new ConfigurationErrorsException("Services not defined. system.serviceModel missing from configuration");
}
var she = sm.Element("serviceHostingEnvironment");
if (she == null)
{
if (totalControllers > 0) return;
throw new ConfigurationErrorsException("Services not defined. serviceHostingEnvironment missing from configuration");
}
var sa = she.Element("serviceActivations");
if (sa == null)
{
if (totalControllers > 0) return;
throw new ConfigurationErrorsException("Services not defined. serviceActivations missing from configuration");
}
var services = sa.Elements("add").ToList();
if (services.Count == 0 && totalControllers == 0)
throw new ConfigurationErrorsException("Services not defined and controllers not found on path. serviceActivations elements not defined in configuration");
foreach (XElement s in services)
{
var attributes = s.Attributes().ToList();
var ra = attributes.FirstOrDefault(it => "relativeAddress".Equals(it.Name.LocalName, StringComparison.InvariantCultureIgnoreCase));
var serv = attributes.FirstOrDefault(it => "service".Equals(it.Name.LocalName, StringComparison.InvariantCultureIgnoreCase));
if (serv == null || string.IsNullOrEmpty(serv.Value))
throw new ConfigurationErrorsException("Missing service type on serviceActivation element: " + s.ToString());
if (ra == null || string.IsNullOrEmpty(ra.Value))
throw new ConfigurationErrorsException("Missing relative address on serviceActivation element: " + s.ToString());
var type = Type.GetType(serv.Value);
if (type == null)
throw new ConfigurationErrorsException("Invalid service defined in " + ra.Value + ". Type " + serv.Value + " not found.");
ConfigureService(locator, serialization, ra.Value, type);
}
}
public CachingDomainCommands(
IDomainModel domainModel,
DomainCommands domainCommands,
IServiceLocator locator,
IWireSerialization serialization)
{
this.DomainModel = domainModel;
this.DomainCommands = domainCommands;
this.Locator = locator;
this.Serialization = serialization;
}
public static Stream Serialize(
IWireSerialization serialization,
IRequestContext request,
IResponseContext response,
object result,
ChunkedMemoryStream outputStream)
{
outputStream.Reset();
response.ContentType = serialization.Serialize(result, request.Accept, outputStream);
response.ContentLength = outputStream.Position;
outputStream.Position = 0;
return(outputStream);
}
public RevenjMiddleware(
RequestDelegate next,
IObjectFactory objectFactory,
IWireSerialization serialization,
IDomainModel domainModel,
ILoggerProvider loggerProvider)
{
this.next = next;
this.objectFactory = objectFactory;
this.serialization = serialization;
this.domainModel = domainModel;
this.loggerProvider = loggerProvider;
}
public DomainCommands(
IServiceProvider locator,
ICommandConverter converter,
IProcessingEngine processing,
IDomainModel domainModel,
IWireSerialization serialization)
{
this.Locator = locator;
this.Converter = converter;
this.Processing = processing;
this.DomainModel = domainModel;
this.Serialization = serialization;
}
private static string EmptyInstanceString(this IWireSerialization serializer, Type target)
{
try
{
return(SerializeToString(serializer, Revenj.Utility.TemporaryResources.CreateRandomObject(target)));
}
catch (Exception ex)
{
return(Exceptions.DebugMode
? "Error creating instance example: " + ex.Message
: "Error creating instance example ;(");
}
}
public DomainCommands(
IServiceLocator locator,
ICommandConverter converter,
IProcessingEngine processing,
IDomainModel domainModel,
IWireSerialization serialization)
{
this.Locator = locator;
this.Converter = converter;
this.Processing = processing;
this.DomainModel = domainModel;
this.Serialization = serialization;
}
public RouteHandler(
string service,
string template,
object instance,
bool isAsync,
MethodInfo method,
IServiceProvider locator,
IWireSerialization serialization)
{
this.Service = "/" + service.ToLowerInvariant();
this.Template = template;
this.Pattern = new UriPattern(template == "*" ? "/*" : template);
this.IsAsync = isAsync;
this.Url = Service + template;
var methodParams = method.GetParameters();
TotalParams = methodParams.Length;
WithStream = TotalParams != 0 && methodParams[TotalParams - 1].ParameterType == typeof(Stream);
var lamParams = new ParameterExpression[5];
lamParams[0] = Expression.Parameter(typeof(string[]), "strArr");
lamParams[1] = Expression.Parameter(typeof(IRequestContext), "request");
lamParams[2] = Expression.Parameter(typeof(IResponseContext), "response");
lamParams[3] = Expression.Parameter(typeof(Stream), "input");
lamParams[4] = Expression.Parameter(typeof(ChunkedMemoryStream), "output");
var expArgs = new Expression[TotalParams];
var argInd = 0;
for (int i = 0; i < TotalParams; i++)
{
var mp = methodParams[i];
if (mp.ParameterType == typeof(IRequestContext))
expArgs[i] = lamParams[1];
else if (mp.ParameterType == typeof(IResponseContext))
expArgs[i] = lamParams[2];
else if (i < TotalParams - 1 || !WithStream)
expArgs[i] = Expression.ArrayIndex(lamParams[0], Expression.Constant(argInd++));
else
expArgs[i] = lamParams[3];
}
var mce = Expression.Call(Expression.Constant(instance, instance.GetType()), method, expArgs);
if (typeof(IHtmlView).IsAssignableFrom(method.ReturnType))
{
mce = Expression.Call(null, RenderFunc.Method, mce, lamParams[2], lamParams[4]);
}
else if (!typeof(Stream).IsAssignableFrom(method.ReturnType) && method.ReturnType != typeof(void))
{
var ws = Expression.Constant(serialization);
mce = Expression.Call(null, SerializeFunc.Method, ws, lamParams[1], lamParams[2], mce, lamParams[4]);
}
var lambda = Expression.Lambda<Func<string[], IRequestContext, IResponseContext, Stream, ChunkedMemoryStream, Stream>>(mce, lamParams);
Invocation = lambda.Compile();
}
private static string SerializeToString(this IWireSerialization serializer, object instance, HttpContext context)
{
StringValues headers;
string accept = null;
if (context.Request.Headers.TryGetValue("accept", out headers) && headers.Count > 0)
{
accept = headers[0];
}
using (var cms = ChunkedMemoryStream.Create())
{
var ct = serializer.Serialize(instance, accept, cms);
context.Response.ContentType = ct;
return(cms.GetReader().ReadToEnd());
}
}
public RestApplication(
IProcessingEngine processingEngine,
IObjectFactory objectFactory,
IWireSerialization serialization,
IPluginRepository <IServerCommand> commandsRepository)
{
Contract.Requires(processingEngine != null);
Contract.Requires(objectFactory != null);
Contract.Requires(serialization != null);
Contract.Requires(commandsRepository != null);
this.ProcessingEngine = processingEngine;
this.ObjectFactory = objectFactory;
this.Serialization = serialization;
this.CommandsRepository = commandsRepository;
}
public CommandConverter(
IRestApplication application,
IObjectFactory objectFactory,
IProcessingEngine processingEngine,
IWireSerialization serialization)
{
Contract.Requires(application != null);
Contract.Requires(objectFactory != null);
Contract.Requires(processingEngine != null);
Contract.Requires(serialization != null);
this.Application = application;
this.ObjectFactory = objectFactory;
this.ProcessingEngine = processingEngine;
this.Serialization = serialization;
}
public static object ParseExpressionSpecification(IWireSerialization serializer, Type domainType, Stream data)
{
try
{
var expressionNode = serializer.Deserialize <LambdaExpressionNode>(data, ThreadContext.Request.ContentType);
return(Activator.CreateInstance(typeof(SpecificationFromNode <>).MakeGenericType(domainType), expressionNode));
}
catch (Exception ex)
{
if (ex.InnerException != null)
{
ex = ex.InnerException;
}
Utility.ThrowError(@"Error deserializing expression. " + ex.Message, HttpStatusCode.BadRequest);
}
return(null);
}
public static Either <object> ParseGenericSpecification(this IWireSerialization serialization, Either <Type> target, Stream data)
{
if (target.IsFailure)
{
return(target.Error);
}
switch (GetIncomingFormat())
{
case MessageFormat.Json:
return(ParseGenericSpecification <string>(serialization, target, data));
case MessageFormat.ProtoBuf:
return(ParseGenericSpecification <MemoryStream>(serialization, target, data));
default:
return(ParseGenericSpecification <XElement>(serialization, target, data));
}
}
public static object ParseObject(
IWireSerialization serializer,
Type type,
Stream data,
bool canCreate,
IServiceLocator locator)
{
if (data == null)
{
if (canCreate == false)
{
ThrowError(@"{0} must be provided. Example:
{1}".With(type.FullName, serializer.EmptyInstanceString(type)), HttpStatusCode.BadRequest);
}
try
{
return(Activator.CreateInstance(type));
}
catch (Exception ex)
{
ThrowError(@"Can't create instance of {0}. Data must be provided. Error: {1}. Example:
{2}".With(type.FullName, ex.Message, serializer.EmptyInstanceString(type)), HttpStatusCode.BadRequest);
}
}
try
{
var sc = new StreamingContext(StreamingContextStates.All, locator);
//TODO: objects deserialized here will have global scope access. Do OnDeserialized again later in scope
return(serializer.Deserialize(data, type, ThreadContext.Request.ContentType, sc));
}
catch (TargetInvocationException tie)
{
var ex = tie.InnerException ?? tie;
throw new WebFaultException <string>(@"Can't deserialize {0}. Error: {1}. Example:
{2}".With(type.FullName, ex.Message, serializer.EmptyInstanceString(type)), HttpStatusCode.BadRequest);
}
catch (Exception ex)
{
throw new WebFaultException <string>(@"Can't deserialize {0}. Error: {1}. Example:
{2}".With(type.FullName, ex.Message, serializer.EmptyInstanceString(type)), HttpStatusCode.BadRequest);
}
}
public static Either <object> ParseExpressionSpecification(IWireSerialization serializer, Either <Type> domainType, Stream data)
{
if (domainType.IsFailure)
{
return(domainType.Error);
}
try
{
var expressionNode = serializer.Deserialize <LambdaExpressionNode>(data, ThreadContext.Request.ContentType);
return(Activator.CreateInstance(typeof(SpecificationFromNode <>).MakeGenericType(domainType.Result), expressionNode));
}
catch (Exception ex)
{
if (ex.InnerException != null)
{
ex = ex.InnerException;
}
return(@"Error deserializing expression. " + ex.Message);
}
}
public static Try <object> ParseGenericSpecification(this IWireSerialization serialization, Try <Type> target, HttpContext context)
{
if (target.IsFailure)
{
return(Try <object> .Error);
}
var request = context.Request;
switch (GetIncomingFormat(request))
{
case MessageFormat.Json:
return(ParseGenericSpecification <string>(serialization, target, request.Body, context));
case MessageFormat.ProtoBuf:
return(ParseGenericSpecification <MemoryStream>(serialization, target, request.Body, context));
default:
return(ParseGenericSpecification <XElement>(serialization, target, request.Body, context));
}
}
public static object Deserialize(
IWireSerialization serialization,
Stream input,
Type target,
string contentType,
StreamingContext context)
{
return serialization.Deserialize(input, target, contentType, context);
}
public static Stream Serialize(
IWireSerialization serialization,
IRequestContext request,
IResponseContext response,
object result,
ChunkedMemoryStream outputStream)
{
outputStream.Reset();
response.ContentType = serialization.Serialize(result, request.Accept, outputStream);
response.ContentLength = outputStream.Position;
outputStream.Position = 0;
return outputStream;
}
private void ConfigureService(IServiceProvider locator, IWireSerialization serialization, string name, Type type)
{
var instance = locator.GetService(type);
foreach (var i in new[] { type }.Union(type.GetInterfaces()))
{
foreach (var m in i.GetMethods())
{
var inv = (WebInvokeAttribute[])m.GetCustomAttributes(typeof(WebInvokeAttribute), false);
var get = (WebGetAttribute[])m.GetCustomAttributes(typeof(WebGetAttribute), false);
var route = (RouteAttribute[])m.GetCustomAttributes(typeof(RouteAttribute), false);
foreach (var at in inv)
{
var rh = new RouteHandler(name, at.UriTemplate, instance, true, m, locator, serialization);
Add(at.Method, rh);
}
foreach (var at in get)
{
var rh = new RouteHandler(name, at.UriTemplate, instance, true, m, locator, serialization);
Add("GET", rh);
}
foreach (var at in route)
{
var rh = new RouteHandler(name, at.Path, instance, at.IsAsync, m, locator, serialization);
Add(at.Method, rh);
}
}
}
}