private async Task <ApiLogEntry> FormatRequest(HttpContext context, bool logBody)
{
HttpRequest request = context.Request;
string requestUri = $"{request.Scheme}://{request.Host}{request.Path}{request.QueryString}";
ApiLogEntry returnValue = new ApiLogEntry
{
RequestId = (string)context.Items[Constants.CONTEXT_CORRELATION_ID],
Application = "core-service",
User = context.User.Identity.Name,
//User = "******",
RequestContentType = request.ContentType,
RequestIpAddress = context.Connection.RemoteIpAddress.ToString(),
RequestMethod = request.Method,
RequestHeaders = LoggerService.SerializeHeaders(request.Headers),
RequestTimestamp = DateTime.Now,
RequestUri = requestUri
};
if (logBody)
{
var body = request.Body;
//This line allows us to set the reader for the request back at the beginning of its stream.
request.EnableRewind();
returnValue.RequestContentBody = await new StreamReader(request.Body).ReadToEndAsync();
request.Body.Position = 0;
}
return(returnValue);
}
public async Task Invoke(HttpContext context)
{
bool logRequestBody = !apiRequestBlackList.Contains(context.Request.Path);
bool logResponseBody = !apiResponseBlackList.Contains(context.Request.Path);
//First, get the incoming request
ApiLogEntry apiLogEntry = await FormatRequest(context, logRequestBody);
//Copy a pointer to the original response body stream
Stream originalBodyStream = context.Response.Body;
//Create a new memory stream...
using (MemoryStream responseBody = new MemoryStream())
{
//...and use that for the temporary response body
context.Response.Body = responseBody;
//Continue down the Middleware pipeline, eventually returning to this class
await _next(context);
//Format the response from the server
apiLogEntry = await FormatResponse(context, apiLogEntry, logResponseBody);
//Copy the contents of the new memory stream (which contains the response) to the original stream, which is then returned to the client.
await responseBody.CopyToAsync(originalBodyStream);
}
LoggerService.SaveApiLogEntry(apiLogEntry);
}
private async Task Log(DateTime start, HttpRequestMessage request,
HttpResponseMessage response, string requestContent,
string responseContent)
{
var finished = DateTime.UtcNow;
var info = new ApiLogEntry(start, finished, requestContent, responseContent,
request, response);
Data.Log(info);
}
/// <summary>
/// Saves api call to file at Log folder.
/// </summary>
/// <param name="entry"><see cref="ApiLogEntry"/> entry.</param>
private void saveEntry(ApiLogEntry entry)
{
var day = entry.RequestTimestamp.ToString("dd-MM-yyyy", CultureInfo.InvariantCulture);
var path = AppDomain.CurrentDomain.GetData("DataDirectory").ToString() + "/Log/" + day + ".txt";
if (File.Exists(path))
{
File.AppendAllText(path, ",");
}
File.AppendAllText(path, JsonConvert.SerializeObject(entry, Formatting.Indented));
}
public void Log(ApiLogEntry logEntry)
{
var result = new ApiLog()
{
AbsoluteUri = logEntry.AbsoluteUri,
Host = logEntry.Host,
RequestBody = logEntry.RequestContentBody,
RequestIpAddress = logEntry.RequestIpAddress,
RequestMethod = logEntry.RequestMethod,
RequestTimestamp = logEntry.RequestTimestamp.Value,
RequestUri = logEntry.RequestUri,
ResponseContentBody = logEntry.ResponseContentBody,
ResponseStatusCode = logEntry.ResponseStatusCode,
ResponseTimestamp = logEntry.ResponseTimestamp
};
_db.ApiLogs.Add(result);
_db.SaveChanges();
}
internal static async Task <IRestResponse <T> > SendAsync <T>(TeamHttpContext teamHttpContext, string url, Method method, dynamic data = null) where T : new()
{
RestClient restClient = new RestClient(url);
RestRequest restRequest = new RestRequest(string.Empty, method);
restRequest.AddHeader(Constants.HEADER_CONTENT_TYPE, "application/json");
ApiLogEntry logEntry = LoggerService.SaveApiLogEntry(teamHttpContext, url, restRequest);
if (data != null)
{
restRequest.AddJsonBody(data);
}
IRestResponse <T> restResponse = await restClient.ExecuteTaskAsync <T>(restRequest).ConfigureAwait(false);
LoggerService.UpdateApiLogEntry(logEntry, restResponse);
return(restResponse);
}
private async Task <ApiLogEntry> HydrateApiLogEntryAsync(HttpRequestMessage request)
{
var context = ((HttpContextBase)request.Properties["MS_HttpContext"]);
var routeData = request.GetRouteData();
var apiLogEntry = new ApiLogEntry
{
CorrelationId = request.GetCorrelationId().ToString(),
Application = "mockingbird",
User = context.User.Identity.Name,
Machine = Environment.MachineName,
RequestContentType = context.Request.ContentType,
RequestRouteTemplate = routeData.Route.RouteTemplate,
RequestRouteData = SerializeRouteData(routeData),
RequestIpAddress = context.Request.UserHostAddress,
RequestMethod = request.Method.Method,
RequestHeaders = SerializeHeaders(request.Headers),
RequestTimestamp = DateTime.Now,
RequestUriPathAndQuery = request.RequestUri.PathAndQuery
};
return(await Task.FromResult(apiLogEntry));
}
public void Write(ApiLogEntry data)
{
string json = JsonConvert.SerializeObject(data, Formatting.Indented);
var now = DateTime.Now;
var folderpath = ConfigurationManager.AppSettings["RequestResponseLog"];
if (!System.IO.Directory.Exists(folderpath))
{
System.IO.Directory.CreateDirectory(folderpath);
}
var path = "RequestResponse_" + now.Hour + now.Minute + now.Second + now.Millisecond + ".log";
try
{
System.IO.File.AppendAllText(Path.Combine(folderpath, path), json);
}
catch (Exception ex)
{
// eat
}
}
private async Task <ApiLogEntry> FormatResponse(HttpContext httpContext, ApiLogEntry apiLogEntry, bool logBody)
{
HttpResponse response = httpContext.Response;
if (logBody)
{
//We need to read the response stream from the beginning...
response.Body.Seek(0, SeekOrigin.Begin);
//...and copy it into a string
apiLogEntry.ResponseContentBody = await new StreamReader(response.Body).ReadToEndAsync();
}
//We need to reset the reader for the response so that the client can read it.
response.Body.Seek(0, SeekOrigin.Begin);
apiLogEntry.ResponseStatusCode = response.StatusCode;
apiLogEntry.ResponseHeaders = LoggerService.SerializeHeaders(response.Headers);
apiLogEntry.User = httpContext.User.Identity.Name;
//Return the string for the response, including the status code (e.g. 200, 404, 401, etc.)
return(apiLogEntry);
}
public ApiEntryCommand(ApiLogEntry entry, List <TraceStep> steps)
{
Entry = entry;
Steps = steps;
}
public async Task Invoke(HttpContext context)
{
var responseLoggerStream = new ResponseLoggerStream(context.Response.Body, ownsParent: false);
context.Response.Body = responseLoggerStream;
var requestLoggerStream = new RequestLoggerStream(context.Request.Body, ownsParent: false);
context.Request.Body = requestLoggerStream;
try
{
var watch = Stopwatch.StartNew();
await _next.Invoke(context);
watch.Stop();
var requestUri = $"{context.Request.Scheme}://{context.Request.Host}{context.Request.Path}";
if (context.Request.QueryString.HasValue)
{
requestUri += $"?{context.Request.QueryString}";
}
var headerBuilder = new StringBuilder();
headerBuilder.AppendLine("Headers:");
headerBuilder.AppendLine("{");
foreach (var header in context.Request.Headers)
{
headerBuilder.AppendLine($"{header.Key}:{header.Value}");
}
headerBuilder.AppendLine("}");
var requestTracerStream = requestLoggerStream.TracerStream;
var requestData = requestTracerStream.ToArray();
var requestContent = Encoding.UTF8.GetString(requestData);
var responseTracerStream = responseLoggerStream.TracerStream;
var responseData = responseTracerStream.ToArray();
var responseContent = Encoding.UTF8.GetString(responseData);
string apiKey = context.Request.Headers["apikey"];
string userAgent = context.Request.Headers["User-Agent"];
string transactionId = context.Request.Headers["transactionID"];
var entry = new ApiLogEntry
{
HostName = Environment.MachineName,
ApplicationName = _hostingEnvironment.ApplicationName,
RequestURI = requestUri,
RequestContentType = context.Request.ContentType ?? string.Empty,
RequestMethod = context.Request.Method,
RequestIPAddress = context.Connection.RemoteIpAddress.ToString(),
RequestContent = headerBuilder + "\r\n" + requestContent,
RequestCreated = DateTime.Now,
RequestAPIKey = string.IsNullOrEmpty(apiKey) ? "N/A" : apiKey,
RequestUserAgent = string.IsNullOrEmpty(userAgent) ? "N/A" : userAgent,
RequestTransactionID = string.IsNullOrEmpty(transactionId) ? "N/A" : transactionId,
RequestUserID = context.Request.Headers["sfUserID"].ToString() ?? context.Request.Headers["userID"].ToString(),
RequestUserName = context.Request.Headers["sfUserName"],
RequestUserLocation = null,
RequestTimeStamp = context.Request.Headers["requestedTimeStamp"],
ResponseCode = context.Response.StatusCode.ToString(),
ResponseCodeDescription = context.Response.StatusCode.ToString(),
ResponseContent = responseContent,
ResponseContentType = string.IsNullOrEmpty(context.Response.ContentType) ? "NA" : context.Response.ContentType,
ResponseCreated = DateTime.Now,
};
using (var connection = _apiLoggingConnectionProvider.CreateSqlConnection())
{
try
{
connection.Execute("dbo.OneGovAPIRequestResponseInsert", entry, commandType: CommandType.StoredProcedure);
}
catch (Exception ex)
{
var e = ex;
}
}
}
finally
{
context.Response.Body = responseLoggerStream.Inner;
responseLoggerStream.Dispose();
context.Request.Body = requestLoggerStream.Inner;
requestLoggerStream.Dispose();
}
}
