/// <summary>
/// Внедряет модули в процессор обработки событий
/// </summary>
/// <param name="registrator">Экземпляр класса процессора обработки событий</param>
internal void Load(HandlerProcessor registrator)
{
foreach (KeyValuePair <int, IZuluEventHandler> pair in _handlers)
{
registrator.RegisterHandler(pair.Key, pair.Value);
}
}
public override void OnActionExecuted(ActionExecutedContext context)
{
base.OnActionExecuted(context);
double executionMS = timeKeeper.Stop().TotalMilliseconds;
logger.Info($"Execution require {executionMS} ms");
Trace.Write(new TraceItem()
{
Millis = executionMS
},
context.HttpContext);
HandlerProcessor.Process(Settings.List("PostExecutionHandler"), context.HttpContext);
}
public override void OnActionExecuting(ActionExecutingContext context)
{
base.OnActionExecuting(context);
Context.Current.Reset();
string scheme = HttpContext.Request.Scheme;
string host = HttpContext.Request.Host.Value;
string path = HttpContext.Request.Path;
string queryString = HttpContext.Request.QueryString.HasValue ? HttpContext.Request.QueryString.Value : "";
string url = $"{scheme}://{host}{path}{queryString}";
logger.Info($"Request {url} with session id {Session.Id}");
HandlerProcessor.Process(Settings.List("PreExecutionHandler"), context.HttpContext);
}
public override void OnActionExecuting(ActionExecutingContext context)
{
base.OnActionExecuting(context);
Context.Current.Reset();
string remoteIp = HttpContext.Connection.RemoteIpAddress.ToString();
if (!CanAccess(remoteIp))
{
throw new SecurityException($"Forbidden Request from Remote IP address: {remoteIp}");
}
string scheme = HttpContext.Request.Scheme;
string host = HttpContext.Request.Host.Value;
string path = HttpContext.Request.Path;
string queryString = HttpContext.Request.QueryString.HasValue ? HttpContext.Request.QueryString.Value : "";
string url = $"{scheme}://{host}{path}{queryString}";
logger.Info($"Request {url} with session id {Session.Id}");
HandlerProcessor.Process(Settings.List("PreExecutionHandler"), context.HttpContext);
}
public async Task Invoke(HttpContext context)
{
TimeKeeper timeKeeper = new TimeKeeper();
string contentType = null;
string content = null;
int statusCode = 200;
try
{
LoadUser(context);
string resourceName = context.Request.Path.Value;
string body = new StreamReader(context.Request.Body).ReadToEndAsync().Result;
logger.Info($"User: {Context.Current.User?.Username}");
logger.Info($"Resource: {resourceName}");
logger.Debug($"Body: {body}");
logger.Info($"Session ID: {context.Session.Id}");
logger.Info($"HTTP method: {context.Request.Method}");
ApiInputHandler input = new ApiInputHandler()
{
Body = body,
Context = context,
Resource = resourceName
};
if (context.Request.Method == "OPTIONS")
{
//TODO improve this poor code :D
contentType = ContentType.TextPlain;
content = ":)";
}
else
{
HandlerProcessor.Process(Settings.List("PreExecutionHandler"), context);
ApiHandlerOutput output = Process(input);
HandlerProcessor.Process(Settings.List("PostExecutionHandler"), context);
if (output.Type == ApiHandlerOutputType.JSon)
{
contentType = ContentType.ApplicationJson;
content = JsonHelper.Serialize(output.Output);
}
else if (output.Type == ApiHandlerOutputType.TextAsJson)
{
contentType = ContentType.ApplicationJson;
content = output.Output as string;
}
else if (output.Type == ApiHandlerOutputType.Text)
{
contentType = ContentType.TextPlain;
content = output.Output as string;
}
else
{
throw new Exception(Messages.WrongApiOutput);
}
}
}
#region catches
catch (ApiInvalidArgumentException e)
{
logger.Error(e);
statusCode = 501;
contentType = ContentType.ApplicationJson;
string message = propagateApplicationErrorInFault ? e.Message : Messages.GenericFailure;
content = JsonHelper.Serialize(new { Message = message });
Trace.Write(new TraceItem()
{
Error = e.Message, Millis = timeKeeper.Stop().TotalMilliseconds
}, context);
}
catch (ApiNotFoundException e)
{
logger.Error(e);
statusCode = 404;
contentType = ContentType.ApplicationJson;
string message = propagateApplicationErrorInFault ? e.Message : Messages.GenericFailure;
content = JsonHelper.Serialize(new { Message = message });
Trace.Write(new TraceItem()
{
Error = e.Message, Millis = timeKeeper.Stop().TotalMilliseconds
}, context);
}
catch (ApiTokenExpiredException e)
{
logger.Error(e);
statusCode = 401;
contentType = ContentType.ApplicationJson;
string message = propagateApplicationErrorInFault ? e.Message : Messages.GenericFailure;
content = JsonHelper.Serialize(new { Message = message });
Trace.Write(new TraceItem()
{
Error = e.Message, Millis = timeKeeper.Stop().TotalMilliseconds
}, context);
}
catch (ApiAccessDeniedException e)
{
logger.Error(e);
statusCode = 401;
contentType = ContentType.ApplicationJson;
string message = propagateApplicationErrorInFault ? e.Message : Messages.GenericFailure;
content = JsonHelper.Serialize(new { Message = message });
Trace.Write(new TraceItem()
{
Error = e.Message, Millis = timeKeeper.Stop().TotalMilliseconds
}, context);
}
catch (MissingRequiredProperty e)
{
logger.Error(e);
statusCode = 400;
contentType = ContentType.ApplicationJson;
string message = propagateApplicationErrorInFault ? e.Message : Messages.GenericFailure;
content = JsonHelper.Serialize(new { Message = message });
Trace.Write(new TraceItem()
{
Error = e.Message, Millis = timeKeeper.Stop().TotalMilliseconds
}, context);
}
catch (CustomJsonException e)
{
logger.Error(e);
statusCode = 502; // TODO check this code
contentType = ContentType.ApplicationJson;
string message = propagateApplicationErrorInFault ? e.Message : Messages.GenericFailure;
content = JsonHelper.Serialize(new { Message = message });
Trace.Write(new TraceItem()
{
Error = e.Message, Millis = timeKeeper.Stop().TotalMilliseconds
}, context);
}
catch (SecurityException e)
{
logger.Error(e);
statusCode = 403; // TODO check this code
contentType = ContentType.ApplicationJson;
string message = propagateApplicationErrorInFault ? e.Message : Messages.GenericFailure;
content = JsonHelper.Serialize(new { Message = message });
Trace.Write(new TraceItem()
{
Error = e.Message, Millis = timeKeeper.Stop().TotalMilliseconds
}, context);
}
catch (Exception e)
{
logger.Error(e);
statusCode = 500;
contentType = ContentType.ApplicationJson;
string message = propagateApplicationErrorInFault ? e.Message : Messages.GenericFailure;
content = JsonHelper.Serialize(new { Message = message });
Trace.Write(new TraceItem()
{
Error = e.Message, Millis = timeKeeper.Stop().TotalMilliseconds
}, context);
}
#endregion
finally
{
logger.Debug($"ContentType: {contentType}");
logger.Debug($"Content: {content}");
logger.Info($"statusCode: {statusCode}");
context.Response.ContentType = contentType;
context.Response.StatusCode = statusCode;
await context.Response.WriteAsync(content);
double ms = timeKeeper.Stop().TotalMilliseconds;
Trace.Write(new TraceItem()
{
Millis = ms
}, context);
logger.Info($"Request completed in {ms} ms");
}
}
public double GetBrokenLineLength(BrokenLinePoint[] brokenLine)
{
return(HandlerProcessor.Process <GetBrokenLineLengthHandler, double>(h => h.Handle(brokenLine)));
}
