// IMyScopedService is injected into Invoke
public async Task InvokeAsync(HttpContext httpContext)
{
string method = httpContext.Request.Method.ToLower();
string path = httpContext.Request.Path;
int statusCode = httpContext.Response.StatusCode;
if (("post" == method) && (path == EventManagerConstants.EventReceptionPath))
{
string responseBody = await new StreamReader(httpContext.Request.Body).ReadToEndAsync();
JObject json = JObject.Parse(responseBody);
Event e = new Event()
{
Name = (string)json["Name"],
Timestamp = (DateTime)json["Timestamp"],
Payload = json["Payload"].ToString(Formatting.None),
ExtraParams = json["ExtraParams"].ToObject <JObject>(),
ContextHeaders = httpContext.Request.Headers.ToDictionary(a => a.Key, a => (IEnumerable <string>)a.Value)
};
HttpResponseMessage httpResponseMessage = EventDispatcher.Dispatch(e);
// if the response message is `null` then it means the event had no synchronous callbacks and that all
// async callbacks have been queued for execution, see we can return 200 status
if (httpResponseMessage == null)
{
httpContext.Response.StatusCode = (int)HttpStatusCode.OK;
}
else
{
httpContext.Response.StatusCode = (int)httpResponseMessage.StatusCode;
string contents = "";
if (httpResponseMessage.Content != null)
{
contents = httpResponseMessage.Content.ReadAsStringAsync().Result;
// add content headers
foreach (KeyValuePair <string, IEnumerable <string> > item in httpResponseMessage.Content?.Headers.AsEnumerable())
{
httpContext.Response.Headers.Add(item.Key, new StringValues(item.Value.ToArray()));
}
}
foreach (KeyValuePair <string, IEnumerable <string> > item in httpResponseMessage.Headers.AsEnumerable())
{
httpContext.Response.Headers.Add(item.Key, new StringValues(item.Value.ToArray()));
}
// we send the contents response of the EventDispatcher.Dispatch we just called
await HttpResponseWritingExtensions.WriteAsync(httpContext.Response, contents);
}
}
else
{
// Call the next delegate/middleware in the pipeline
await _next(httpContext);
}
}
private static void RequestHandler(IApplicationBuilder app, QuickApplication quickApp, bool detailedExceptions)
{
app.Run(async handler =>
{
var segments = handler.Request.Path.Value.Split(new[] { '/' },
StringSplitOptions.RemoveEmptyEntries);
var serviceName = segments[1];
var methodName = segments[2];
string bodyText = null;
using (var stream = handler.Request.Body)
{
using (var reader = new StreamReader(stream))
{
if (!reader.EndOfStream)
{
bodyText = reader.ReadToEnd();
}
}
}
var arguments = bodyText == null
? null
: JObject.Parse(bodyText);
//quickApp.CallServiceMethod(serviceName, methodName, arguments);
CallContext callContext;
try
{
callContext = await quickApp.CallServiceMethod(serviceName, methodName, arguments);
}
catch (Exception ex)
{
var resultError = new ExpandoObject() as dynamic;
resultError.Error = ex.GetType().Name;
resultError.Message = ex.Message;
if (detailedExceptions)
{
resultError.Exception = ex;
}
handler.Response.StatusCode = 500;
await HttpResponseWritingExtensions.WriteAsync(handler.Response, JsonConvert.SerializeObject(resultError));
return;
}
if (!callContext.IsVoidMethod)
{
handler.Response.ContentType = "application/json; charset=utf-8";
await HttpResponseWritingExtensions.WriteAsync(handler.Response, JsonConvert.SerializeObject(callContext.Result));
}
else
{
handler.Response.StatusCode = 204;
}
});
}
/// <summary>
/// Runs the middleware.
/// </summary>
/// <param name="context">The context.</param>
/// <returns>A task representing the asynchronous operation.</returns>
public override async Task InvokeAsync(HttpContext context)
{
#pragma warning disable IDE0042 // Deconstruct variable declaration
var validationResult = await this.ValidateAsync(context);
#pragma warning restore IDE0042 // Deconstruct variable declaration
if (validationResult.Success)
{
if (this.Next != null)
{
await this.Next.InvokeAsync(context);
}
}
else
{
dynamic response = new
{
correlationId = context.TraceIdentifier,
error = new
{
code = this.ErrorCode,
message = validationResult.Error,
},
};
context.Response.StatusCode = (int)HttpStatusCode.BadRequest;
context.Response.ContentType = ContentTypes.ApplicationJson;
await HttpResponseWritingExtensions.WriteAsync(context.Response, JsonConvert.SerializeObject(response));
}
}
private async Task SendToSkill(HttpResponse response, BotFrameworkSkill targetSkill, Activity activity, CancellationToken cancellationToken = default)
{
if (activity.Type == ActivityTypes.Invoke)
{
var invokeResponse = await PostActivityToSkill <JObject>(targetSkill, activity, cancellationToken);
if (invokeResponse != null)
{
response.ContentType = "text/html";
response.StatusCode = (int)HttpStatusCode.OK;
string text = $"<html><body>{System.Web.HttpUtility.HtmlEncode(invokeResponse.ToString())}</body></html>";
await HttpResponseWritingExtensions.WriteAsync(response, text);
}
}
else
{
var expectedReplies = await PostActivityToSkill <ExpectedReplies>(targetSkill, activity, cancellationToken);
if (expectedReplies != null && activity.DeliveryMode == DeliveryModes.ExpectReplies)
{
string responseText = string.Empty;
foreach (var a in expectedReplies.Activities)
{
responseText += $"<p>ExpectedReplies: {a.Text}</p>";
}
response.ContentType = "text/html";
response.StatusCode = (int)HttpStatusCode.OK;
string text = $"<html><body>{responseText}</body></html>";
await HttpResponseWritingExtensions.WriteAsync(response, text);
}
}
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
app.Use(async(context, next) =>
{
var token = context.Request.Headers["token"].ToString();
var customerid = context.Request.Headers["customer_id"].ToString();
ITokenService service = new TokenService();
if (!service.ValidateToken(customerid, token))
{
context.Response.StatusCode = StatusCodes.Status401Unauthorized;
await HttpResponseWritingExtensions.WriteAsync(context.Response, "UnAuthorized Access Found..!");
}
else
{
await next();
}
});
app.UseMvc();
}
private async Task HandleCommand(HttpContext context, ICqrsOptions options)
{
var path = options.GetCommandPath(context.Request.Path.Value);
if (!_commandTypes.Value.ContainsKey(path))
{
throw new CommandNotFoundException($"Command '{path}' not found");
}
dynamic result = null;
var info = _commandTypes.Value[path];
var exposeAttribute = info.CommandType.GetCustomAttribute <ExposeAttribute>();
var formatter = _registry.GetFormatter(exposeAttribute.Formatter);
var deserializeMethod = _deserializeMethods.GetOrAdd(info.CommandType, (t) =>
{
var mi = CreateDeserializeLambdaMethodInfo.MakeGenericMethod(t);
return(mi.Invoke(null, null));
});
dynamic command = await deserializeMethod(formatter, context.Request);
dynamic handler = _container.GetInstance(info.CommandHandlerType);
context.Items[ContextKey] = new CqrsContext(context.Request.Path.Value, path, CqrsType.Command, info.CommandHandlerType);
if (info.IsGeneric)
{
if (info.IsAsync)
{
result = await handler.HandleAsync(command, context.RequestAborted);
}
else
{
result = handler.Handle(command);
}
}
else
{
if (info.IsAsync)
{
await handler.HandleAsync(command, context.RequestAborted);
}
else
{
handler.Handle(command);
}
}
CloseSession();
var json = result is string?result : await formatter.SerializeAsync(result, context.Request);
context.Response.ContentType = formatter.ContentType;
context.Response.StatusCode = (int)HttpStatusCode.OK;
await HttpResponseWritingExtensions.WriteAsync(context.Response, json, context.RequestAborted);
}
private async Task HandleCommand(HttpContext context, ICqrsOptions options)
{
var path = options.GetCommandPath(context.Request.Path.Value);
if (!_commandTypes.ContainsKey(path))
{
throw new CommandNotFoundException($"Command '{path}' not found");
}
dynamic result = null;
var info = _commandTypes[path];
var commandData = await new StreamReader(context.Request.Body).ReadToEndAsync();
dynamic command = DeserializeCommand(commandData, info.CommandType);
dynamic handler = _container.GetInstance(info.CommandHandlerType);
context.Items[ContextKey] = new CqrsContext(context.Request.Path.Value, path, CqrsType.Command, info.CommandHandlerType);
if (info.IsGeneric)
{
if (info.IsAsync)
{
result = await handler.HandleAsync(command, context.RequestAborted);
}
else
{
result = handler.Handle(command);
}
}
else
{
if (info.IsAsync)
{
await handler.HandleAsync(command, context.RequestAborted);
}
else
{
handler.Handle(command);
}
}
CloseSession();
var json = result is string?result : JsonConvert.SerializeObject(result, _jsonSerializerSettings);
context.Response.ContentType = ContentType;
context.Response.StatusCode = (int)HttpStatusCode.OK;
await HttpResponseWritingExtensions.WriteAsync(context.Response, json, context.RequestAborted);
}
public override async Task InvokeAsync(HttpContext context)
{
try
{
await HttpResponseWritingExtensions.WriteAsync(context.Response, "\n Request stage - Exception Handling middleware!");
await this.Next.InvokeAsync(context);
await HttpResponseWritingExtensions.WriteAsync(context.Response, "\n Response stage - Exception Handling middleware!");
}
catch (Exception ex)
{
await Task.CompletedTask;
}
}
public async Task Invoke(HttpContext context)
{
string _authToken = _authTokens.BearerToken;
string reqAuthToken = context.Request.Headers.FirstOrDefault(header => header.Key == "Authorization").Value.FirstOrDefault();
if (IsAuthorized(_authToken, reqAuthToken, context))
{
await _next.Invoke(context);
return;
}
context.Response.StatusCode = (int)HttpStatusCode.Unauthorized;
await HttpResponseWritingExtensions.WriteAsync(context.Response, "Invalid Authorization Token");
}
public override async Task WriteResponseBodyAsync(OutputFormatterWriteContext context, Encoding selectedEncoding)
{
var response = context.HttpContext.Response;
var buffer = new StringBuilder();
if (context.Object is IEnumerable <CompanyDto> lsCompanyDto)
{
foreach (var companyDto in lsCompanyDto)
{
FormatCsv(buffer, companyDto);
}
}
if (context.Object is CompanyDto CompanyDto)
{
FormatCsv(buffer, CompanyDto);
}
await HttpResponseWritingExtensions.WriteAsync(response, buffer.ToString());
}
public async void OnException(ExceptionContext context)
{
context = context ?? throw new ArgumentNullException(nameof(context));
if (context.Exception is KeyNotFoundException)
{
var response = new ResponseErrorModel(404, context.Exception.Message);
var responseJson = JsonConvert.SerializeObject(response);
var responseBytes = Encoding.UTF8.GetBytes(responseJson);
context.HttpContext.Response.StatusCode = (int)HttpStatusCode.NotFound;
context.HttpContext.Response.ContentType = "application/json";
context.HttpContext.Response.ContentLength = responseBytes.Length;
await HttpResponseWritingExtensions.WriteAsync(context.HttpContext.Response, responseJson);
context.ExceptionHandled = true;
return;
}
}
public override async Task WriteResponseBodyAsync(OutputFormatterWriteContext context, Encoding selectedEncoding)
{
using (var writer = new StringWriter())
{
using (var csv = new CsvWriter(writer, CultureInfo.InvariantCulture))
{
if (context.Object is IEnumerable <object> )
{
csv.WriteRecords((IEnumerable <object>)context.Object);
}
else
{
var ls = new [] { context.Object };
csv.WriteRecords((IEnumerable <object>)ls);
}
}
await HttpResponseWritingExtensions.WriteAsync(context.HttpContext.Response, writer.ToString());
}
}
/// <summary>
/// Runs the middleware.
/// </summary>
/// <param name="context">The context.</param>
/// <returns>A task representing the asynchronous operation.</returns>
public override async Task InvokeAsync(HttpContext context)
{
if (this.Next == null)
{
throw new MiddlewarePipelineException($"{this.GetType().FullName} must have a Next middleware");
}
try
{
await this.Next.InvokeAsync(context);
}
catch (Exception e)
{
if (this.LogExceptionAsync != null)
{
await this.LogExceptionAsync(e);
}
if (this.ExceptionHandler == null)
{
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
context.Response.ContentType = ContentTypes.ApplicationJson;
dynamic content = new
{
error = new
{
code = ErrorCodes.InternalServerError,
message = "An internal server error occurred",
},
correlationId = context.TraceIdentifier,
};
await HttpResponseWritingExtensions.WriteAsync(context.Response, JsonConvert.SerializeObject(content));
}
else
{
var result = await this.ExceptionHandler(e, context);
await context.ProcessActionResultAsync(result);
}
}
}
private async Task RespondWithIndexHtml(HttpResponse response)
{
response.StatusCode = 200;
response.ContentType = "text/html";
List <string> namelist = new List <string>();
foreach (string str in this.GetType().Assembly.GetManifestResourceNames())
{
namelist.Add(str);
}
Stream stream = this.GetType().Assembly.GetManifestResourceStream("Limited.DashBoard.index.html");
StringBuilder stringBuilder = new StringBuilder(new StreamReader(stream).ReadToEnd());
foreach (KeyValuePair <string, string> indexParameter in GetIndexParameters())
{
stringBuilder.Replace(indexParameter.Key, indexParameter.Value);
}
await HttpResponseWritingExtensions.WriteAsync(response, stringBuilder.ToString(), Encoding.UTF8, default(CancellationToken));
}
private async Task HandleQuery(HttpContext context, ICqrsOptions options)
{
var path = options.GetQueryPath(context.Request.Path.Value);
if (!_queryTypes.ContainsKey(path))
{
throw new QueryNotFoundException($"Query '{path}' not found");
}
// GET operations get their data through the query string, while POST operations expect a JSON
// object being put in the body.
var queryData = context.Request.Method == HttpMethod.Get.Method
? SerializationHelpers.ConvertQueryStringToJson(context.Request.QueryString.Value)
: await new StreamReader(context.Request.Body).ReadToEndAsync();
var info = _queryTypes[path];
var query = DeserializeQuery(queryData, info.QueryType);
dynamic handler = _container.GetInstance(info.QueryHandlerType);
context.Items[ContextKey] = new CqrsContext(context.Request.Path.Value, path, CqrsType.Command, info.QueryHandlerType);
dynamic result;
if (info.IsAsync)
{
result = await handler.HandleAsync(query, context.RequestAborted);
}
else
{
result = handler.Handle(query);
}
var json = result is string?result : JsonConvert.SerializeObject(result, _jsonSerializerSettings);
context.Response.ContentType = ContentType;
context.Response.StatusCode = (int)HttpStatusCode.OK;
await HttpResponseWritingExtensions.WriteAsync(context.Response, json, context.RequestAborted);
}
public static void ConfigureExceptionHandler(this IApplicationBuilder app, ILoggerManager logger)
{
app.UseExceptionHandler(appError =>
{
appError.Run(async context =>
{
context.Response.StatusCode = StatusCodes.Status500InternalServerError;// (int)HttpStatusCode.InternalServerError;
context.Response.ContentType = "application/json";
var contextFeature = context.Features.Get <IExceptionHandlerFeature>();
if (contextFeature != null)
{
logger.LogError($"Something went wrong: {contextFeature.Error}");
var errDetail = new ErrorDetails()
{
StatusCode = context.Response.StatusCode,
Message = "Internal Server Error."
};
// await context.Response.Body.WriteAsync(errDetail.ToString());
await HttpResponseWritingExtensions.WriteAsync(context.Response, errDetail.ToString());
}
});
});
}
private async Task RedirectToService(HttpContext context, string hubName, IList <IAuthorizeData> authorizationData)
{
if (!await AuthorizeHelper.AuthorizeAsync(context, authorizationData))
{
return;
}
NegotiationResponse negotiateResponse = null;
try
{
negotiateResponse = _negotiateHandler.Process(context, hubName);
}
catch (AzureSignalRAccessTokenTooLongException ex)
{
Log.NegotiateFailed(_logger, ex.Message);
context.Response.StatusCode = 413;
await HttpResponseWritingExtensions.WriteAsync(context.Response, ex.Message);
return;
}
var writer = new MemoryBufferWriter();
try
{
context.Response.ContentType = "application/json";
NegotiateProtocol.WriteResponse(negotiateResponse, writer);
// Write it out to the response with the right content length
context.Response.ContentLength = writer.Length;
await writer.CopyToAsync(context.Response.Body);
}
finally
{
writer.Reset();
}
}
private async Task <IActionResult> ExecuteFunctions(HttpContext context)
{
await HttpResponseWritingExtensions.WriteAsync(context.Response, "\n Hi from serverless middleware functions !");
throw new Exception("Exception thrown from functions!");
}
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
services.AddControllers();
string connectionString = _configuration.GetConnectionString("DefaultConnection");
Debug.Assert(!String.IsNullOrEmpty(connectionString), "connection string is null or empty");
if (DbTypes.IsInMemory() || _environment.IsTest())
{
services.AddDbContext <BooksDbContext>(options =>
{
options.UseInMemoryDatabase("books");
});
}
else if (DbTypes.IsMySql())
{
services.AddDbContext <BooksDbContext>(options =>
{
options.UseMySql(connectionString);
});
}
else if (DbTypes.IsSqlite())
{
services.AddDbContext <BooksDbContext>(options =>
{
options.UseSqlite(connectionString);
});
}
else
{
services.AddDbContext <BooksDbContext>(options =>
{
options.UseSqlServer(connectionString);
});
}
services.AddIdentity <IdentityUser <Guid>, IdentityRole <Guid> >(config =>
{
config.SignIn.RequireConfirmedEmail = true;
})
.AddEntityFrameworkStores <BooksDbContext>()
.AddUserManager <UserManager <IdentityUser <Guid> > >()
.AddRoleManager <RoleManager <IdentityRole <Guid> > >();
services.AddTransient <TokenService>();
services.AddCors(o => o.AddPolicy("AllowAll", builder =>
{
builder.AllowAnyOrigin()
.AllowAnyMethod()
.AllowAnyHeader();
}));
services.AddControllers()
.AddNewtonsoftJson(options =>
{
options.SerializerSettings.ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore;
})
.AddMvcOptions(options =>
{
options.EnableEndpointRouting = false;
options.RespectBrowserAcceptHeader = true;
});
services.AddLogging();
services.AddAuthentication(x =>
{
x.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
x.DefaultScheme = JwtBearerDefaults.AuthenticationScheme;
x.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
})
.AddJwtBearer(x =>
{
var jwtSection = _configuration.GetSection("Jwt");
Debug.Assert(jwtSection.Exists(), "Jwt section missing in appsettings");
string secret = _configuration.GetSection("Jwt")["Secret"];
Debug.Assert(!String.IsNullOrEmpty(secret), "Jwt secret missing in appsettings");
string audience = _configuration.GetSection("Jwt")["Audience"];
Debug.Assert(!String.IsNullOrEmpty(audience), "Jwt audience missing in appsettings");
string authority = _configuration.GetSection("Jwt")["Authority"];
var key = Encoding.UTF8.GetBytes(secret);
Microsoft.IdentityModel.Logging.IdentityModelEventSource.ShowPII = _environment.IsTestOrDevelopment();
x.Events = new JwtBearerEvents()
{
OnAuthenticationFailed = context =>
{
context.Response.StatusCode = 401;
context.Response.ContentType = "application/json; charset=utf-8";
var message = _environment.IsTestOrDevelopment() ?
context.Exception.ToString() :
"An error occurred processing your authentication.";
var result = Newtonsoft.Json.JsonConvert.SerializeObject(new { message });
return(HttpResponseWritingExtensions.WriteAsync(context.Response, result));
}
};
x.RequireHttpsMetadata = !_environment.IsTestOrDevelopment();
x.SaveToken = true;
x.Audience = audience;
if (String.IsNullOrEmpty(authority))
{
// use local validation
x.TokenValidationParameters = new TokenValidationParameters
{
ValidateIssuerSigningKey = true,
IssuerSigningKey = new SymmetricSecurityKey(key),
ValidateIssuer = false,
ValidateAudience = false
};
}
else
{
// use sso validation
x.Authority = authority;
}
});
services.AddSwaggerGen(c =>
{
c.SwaggerDoc("v1", new OpenApiInfo
{
Version = "v1",
Title = "Books API",
Description = "API for Books",
TermsOfService = new Uri("http://tempuri.org/terms"),
Contact = new OpenApiContact()
{
Name = "Mykeels.",
Email = "*****@*****.**",
Url = new Uri("https://twitter.com/mykeels")
}
});
var xmlFile = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
var xmlPath = Path.Combine(AppContext.BaseDirectory, xmlFile);
c.IncludeXmlComments(xmlPath);
});
}
private async Task WriteResultInResponse(HttpContext httpContext, ApiMockerResult result)
{
httpContext.Response.StatusCode = result.StatusCode;
httpContext.Response.ContentType = result.ContentType;
await HttpResponseWritingExtensions.WriteAsync(httpContext.Response, result.Content);
}
