public Task OnAuthorizationAsync(AuthorizationFilterContext context)
{
_logger.LogInformation("Authorize request header");
var correlationHeader = context.HttpContext.Request.Headers[Identifiers.CorrelationId];
//TODO:replace the following correlation id, since it's correlating all operation from this assembly instance.
var correlationId = _operationalUnit.InstanceId;
if (!string.IsNullOrEmpty(correlationHeader) && Guid.TryParse(correlationHeader, out Guid paresedCorId))
{
correlationId = paresedCorId;
}
//TODO: remove bypassing authorization
if (false && string.IsNullOrEmpty(context.HttpContext.Request.Headers["authorization"]))
{
var messageHeader = new MessageHeader {
CorrelationId = correlationId
};
var messageFooter = new MessageFooter
{
Sender = context.ActionDescriptor.DisplayName,
Environment = _operationalUnit.Environment,
Assembly = _operationalUnit.Assembly,
FingerPrint = context.ActionDescriptor.Id,
Route = JsonConvert.SerializeObject(context.RouteData.Values.ToDictionary(key => key.Key, value => value.Value?.ToString()), Defaults.JsonSerializerSettings),
Hint = Enum.GetName(typeof(ResponseHint), ResponseHint.UnAuthorized)
};
messageHeader.GetType().GetProperties()
.ToList().ForEach(prop =>
{
context.HttpContext.Response.Headers.Add(prop.Name, new StringValues(prop.GetValue(messageHeader)?.ToString()));
});
messageFooter.GetType().GetProperties()
.ToList().ForEach(prop =>
{
context.HttpContext.Response.Headers.Add(prop.Name, new StringValues(prop.GetValue(messageFooter)?.ToString()));
});
context.Result = new ContentResult()
{
StatusCode = context.HttpContext.Response.StatusCode,
ContentType = Identifiers.ApplicationJson,
Content = JsonConvert.SerializeObject(Enum.GetName(typeof(ResponseHint), ResponseHint.UnAuthorized), Defaults.JsonSerializerSettings)
};
_logger.LogInformation("Override response!");
return(Task.CompletedTask);
}
return(Task.CompletedTask);
}
public Task OnResultExecutionAsync(ResultExecutingContext context, ResultExecutionDelegate next)
{
var correlationHeader = context.HttpContext.Request.Headers[Identifiers.CorrelationId];
//TODO:replace the following correlation id, since it's correlating all operation from this assembly instance.
var correlationId = _operationalUnit.InstanceId;
if (!string.IsNullOrEmpty(correlationHeader) && Guid.TryParse(correlationHeader, out Guid paresedCorId))
{
correlationId = paresedCorId;
}
var messageHeader = new MessageHeader(isSucceed: context.HttpContext.Response.StatusCode == 200)
{
CorrelationId = correlationId
};
var messageFooter = new MessageFooter
{
Sender = context.ActionDescriptor.DisplayName,
Environment = _operationalUnit.Environment,
Assembly = _operationalUnit.Assembly,
FingerPrint = context.ActionDescriptor.Id,
Route = JsonConvert.SerializeObject(context.RouteData.Values.ToDictionary(key => key.Key, value => value.Value?.ToString()), Defaults.JsonSerializerSettings),
Hint = Enum.GetName(typeof(ResponseHint), ResponseHint.OK)
//TODO: infer the hint from HTTP status code
};
messageHeader.GetType().GetProperties()
.ToList().ForEach(prop =>
{
context.HttpContext.Response.Headers.Add(prop.Name, new StringValues(prop.GetValue(messageHeader)?.ToString()));
});
messageFooter.GetType().GetProperties()
.ToList().ForEach(prop =>
{
context.HttpContext.Response.Headers.Add(prop.Name, new StringValues(prop.GetValue(messageFooter)?.ToString()));
});
context.Result = new ContentResult()
{
StatusCode = context.HttpContext.Response.StatusCode,
ContentType = Identifiers.ApplicationJson,
Content = JsonConvert.SerializeObject(getContentResult(context.Result), Defaults.JsonSerializerSettings)
};
_logger.LogInformation("Override response!");
return(next.Invoke());
object getContentResult(IActionResult result)
{
switch (result)
{
case ContentResult CntR:
{
return(CntR?.Content);
}
case ObjectResult ObjR:
{
return(ObjR?.Value);
}
case JsonResult JsonR:
{
return(JsonR?.Value);
}
default:
{
return(result);
}
}
};
}
void OnServerMessage(object sender, MessageHeader msghdr)
{
Log.Debug($"OnServerMessage() type:{msghdr.GetType().Name}");
}
public Task OnExceptionAsync(ExceptionContext context)
{
_logger.LogCritical(context.Exception, context.Exception.Message);
var correlationHeader = context.HttpContext.Request.Headers[Identifiers.CorrelationId];
//TODO:replace the following correlation id, since it's correlating all operation from this assembly instance.
var correlationId = _operationalUnit.InstanceId;
if (!string.IsNullOrEmpty(correlationHeader) && Guid.TryParse(correlationHeader, out Guid paresedCorId))
{
correlationId = paresedCorId;
}
var exception = context.Exception;
(int code, string message, ResponseHint responseHint) = (exception is CustomException ex) ? ex.CustomMessage : (exception.HResult, exception.Message, ResponseHint.SystemError);
var messageHeader = new MessageHeader(isSucceed: false)
{
CorrelationId = correlationId
};
var messageFooter = new MessageFooter
{
Sender = context.ActionDescriptor.DisplayName,
Environment = _operationalUnit.Environment,
Assembly = _operationalUnit.Assembly,
FingerPrint = context.ActionDescriptor.Id,
Route = JsonConvert.SerializeObject(context.RouteData.Values.ToDictionary(key => key.Key, value => value.Value?.ToString()), Defaults.JsonSerializerSettings),
Hint = Enum.GetName(typeof(ResponseHint), responseHint)
};
context.ExceptionHandled = true;
messageHeader.GetType().GetProperties()
.ToList().ForEach(prop =>
{
context.HttpContext.Response.Headers.Add(prop.Name, new StringValues(prop.GetValue(messageHeader)?.ToString()));
});
messageFooter.GetType().GetProperties()
.ToList().ForEach(prop =>
{
context.HttpContext.Response.Headers.Add(prop.Name, new StringValues(prop.GetValue(messageFooter)?.ToString()));
});
context.Result = new ContentResult()
{
StatusCode = StatusCodes.Status500InternalServerError,
ContentType = Identifiers.ApplicationJson,
Content = JsonConvert.SerializeObject(closureGenerateErrorMessage(), Defaults.JsonSerializerSettings)
};
_logger.LogInformation("Override response!");
return(Task.CompletedTask);
object closureGenerateErrorMessage()
{
return(new
{
//TODO: system message only should share user friendly messages for system messages, as well to not break system security.
code,
message,
systemMessage = exception.Message
});
}
}
