private async Task LogRequest(HttpContext context, APILogEntity logEntity)
{
string body = string.Empty;
//using (var buffer = new MemoryStream())
//{
// context.Request.Body.CopyTo(buffer);
// context.Request.Body.Seek(0, SeekOrigin.Begin);
// using (var bodyReader = new StreamReader(buffer))
// {
// body = await bodyReader.ReadToEndAsync();
// }
//}
logEntity.Application = "SnowApp";
logEntity.User = _userResolver.GetEmail();
logEntity.Machine = Environment.MachineName;
logEntity.RequestContentType = context.Request.ContentType;
logEntity.RequestContentBody = body;
logEntity.RequestIpAddress = context.Connection.RemoteIpAddress.ToString();
logEntity.RequestMethod = context.Request.Method;
logEntity.RequestHeaders = SerializeHeaders(context.Request.Headers);
logEntity.RequestTimestamp = DateTime.Now;
logEntity.RequestUri = System.Uri.UnescapeDataString(context.Request.Scheme + "://" + context.Request.Host.Value + context.Request.Path + context.Request.QueryString.ToUriComponent());
}
public void Add(APILogEntity entity)
{
EntityEntry dbEntityEntry = _context.Entry <APILogEntity>(entity);
_context.Logs.Add(entity);
_context.SaveChanges();
}
private async Task LogResponseAndInvokeNext(HttpContext context, APILogEntity logEntity)
{
using (var buffer = new MemoryStream())
{
//replace the context response with our buffer
var stream = context.Response.Body;
context.Response.Body = buffer;
//invoke the rest of the pipeline
await _next(context);
//reset the buffer and read out the contents
buffer.Seek(0, SeekOrigin.Begin);
var reader = new StreamReader(buffer);
using (var bufferReader = new StreamReader(buffer))
{
string body = await bufferReader.ReadToEndAsync();
//reset to start of stream
buffer.Seek(0, SeekOrigin.Begin);
//copy our content to the original stream and put it back
await buffer.CopyToAsync(stream);
context.Response.Body = stream;
if (context.Response.ContentType != null && context.Response.ContentType.Contains("application/json"))
{
logEntity.ResponseContentBody = body;
}
else
{
logEntity.ResponseContentBody = "... NOT A JSON ...";
}
logEntity.ResponseContentType = context.Response.ContentType;
logEntity.ResponseHeaders = SerializeHeaders(context.Response.Headers);
logEntity.ResponseStatusCode = (int)context.Response.StatusCode;
logEntity.ResponseTimestamp = DateTime.Now;
}
}
}
private async Task <APILogEntity> GetRequestInfo(HttpContext context)
{
string requestBody = string.Empty;
using (var bodyReader = new StreamReader(context.Request.Body))
{
requestBody = await bodyReader.ReadToEndAsync();
}
APILogEntity logEntity = new APILogEntity();
logEntity.Application = "SnowApp";
logEntity.User = _userResolver.GetEmail();
logEntity.Machine = Environment.MachineName;
logEntity.RequestContentType = context.Request.ContentType;
logEntity.RequestContentBody = requestBody;
logEntity.RequestIpAddress = context.Connection.RemoteIpAddress.ToString();
logEntity.RequestMethod = context.Request.Method;
logEntity.RequestHeaders = SerializeHeaders(context.Request.Headers);
logEntity.RequestTimestamp = DateTime.Now;
logEntity.RequestUri = System.Uri.UnescapeDataString(context.Request.Scheme + "://" + context.Request.Host.Value + context.Request.Path + context.Request.QueryString.ToUriComponent());
return(logEntity);
}
public async Task Invoke(HttpContext context)
{
if (context.Request.Path.HasValue && context.Request.Path.Value.Contains("/api/"))
{
APILogEntity logEntity = new APILogEntity();
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
await LogRequest(context, logEntity);
await LogResponseAndInvokeNext(context, logEntity);
stopwatch.Stop();
logEntity.ResponseTime = stopwatch.Elapsed;
_logService.SaveLog(logEntity);
}
else
{
await _next(context);
}
}
public void SaveLog(APILogEntity log)
{
_logRepository.Add(log);
}
