public async Task InvokeAsync(HttpContext context)
{
var stopWatch = System.Diagnostics.Stopwatch.StartNew();
context.Request.EnableBuffering();
var originalBodyStream = context.Response.Body;
using var responseBody = new MemoryStream();
context.Response.Body = responseBody;
var level = CurrentLoggingLevel;
HttpEventData httpEventData = new HttpEventData();
var template = level < LogEventLevel.Information
? DBG_LOG_TEMPLATE
: INF_LOG_TEMPLATE;
try
{
await Next(context);
httpEventData = await ReadRequestInfo(context);
}
catch (Exception ex)
{
template = ERR_LOG_TEMPLATE;
level = LogEventLevel.Error;
httpEventData.Exception = ex;
context.Response.StatusCode = 500;
httpEventData.StatusCode = 500;
}
finally
{
httpEventData.ElapsedMS = stopWatch.ElapsedMilliseconds;
var data = httpEventData.GetEventData(Settings.LogLevel);
if (level >= LogEventLevel.Error)
{
Logger.Error(template, data);
}
else
{
Logger.Information(template, data);
}
await responseBody.CopyToAsync(originalBodyStream);
}
}
private async Task <HttpEventData> ReadRequestInfo(HttpContext context)
{
var body = context.Request.Body;
var routeData = context.GetRouteData();
var controller = routeData != null ? routeData.Values["controller"]?.ToString().SafeString() :
"controller_not_available";
var action = routeData != null ? routeData.Values["action"]?.ToString().SafeString() :
"action_not_available";
var buffer = new byte[Convert.ToInt32(context.Request.ContentLength)];
await context.Request.Body.ReadAsync(buffer, 0, buffer.Length);
context.Request.Body = body;
var requestData = new HttpEventData()
{
ControllerName = controller,
ActionName = action,
RequestBody = System.Text.Encoding.UTF8.GetString(buffer),
Method = context.Request.Method,
UserID = context.User.Identity.Name
};
context.Response.Body.Seek(0, SeekOrigin.Begin);
#pragma warning disable IDE0067
requestData.ResponseBody = await new StreamReader(context.Response.Body).ReadToEndAsync();
#pragma warning restore IDE0067
requestData.StatusCode = context.Response.StatusCode;
context.Response.Body.Seek(0, SeekOrigin.Begin);
requestData.RequestPath = context.Request.GetDisplayUrl();
return(requestData);
}
