internal async Task <RequestAnalysis> AnalyzeRequest(HttpRequest request) { string absolutePath = request.Path;//request.Url.AbsolutePath; if (absolutePath.StartsWith(_recurringTaskHandlerAbsolutePath, StringComparison.Ordinal)) { var analysis = new RequestAnalysis(); analysis.IsRecurringTask = true; int parameterStartingIndex = _recurringTaskHandlerAbsolutePath.Length; if (absolutePath.Length > parameterStartingIndex) { // AbsolutePath format: // task -> ~/__RevaleeRecurring.axd/{identifier}/{occurrence} // heartbeat -> ~/__RevaleeRecurring.axd/{heartbeatId} int taskParameterDelimiterIndex = absolutePath.IndexOf('/', parameterStartingIndex); if (taskParameterDelimiterIndex < 0) { // no task parameter delimiter if ((absolutePath.Length - parameterStartingIndex) == 32) { Guid heartbeatId; if (Guid.TryParseExact(absolutePath.Substring(parameterStartingIndex), "N", out heartbeatId)) { if (heartbeatId.Equals(_id)) { await OnActivate(); } } } } else { // task parameter delimiter present if ((absolutePath.Length - taskParameterDelimiterIndex) > 1) { if (long.TryParse(absolutePath.Substring(taskParameterDelimiterIndex + 1), NumberStyles.None, CultureInfo.InvariantCulture, out analysis.Occurrence)) { analysis.TaskIdentifier = absolutePath.Substring(parameterStartingIndex, taskParameterDelimiterIndex - parameterStartingIndex); } } } } // If the TaskIdentifier is not set the default will be string.Empty, which will be discarded by the HttpModule return(analysis); } return(new RequestAnalysis()); }
public Task Invoke(HttpContext context) { try { TaskManifest _manifest = LoadedManifest(context).Result; if (context?.Request != null && _manifest != null) { var request = context.Request; RequestAnalysis analysis = _manifest.AnalyzeRequest(context.Request).Result; if (analysis.IsRecurringTask) { ConfiguredTask taskConfig; HttpStatusCode statusCode; if (_manifest.TryGetTask(analysis.TaskIdentifier, out taskConfig)) { if (request.Method == "POST") { if (_revalee.ValidateCallback(context)) { if (taskConfig.SetLastOccurrence(analysis.Occurrence)) { _manifest.Reschedule(taskConfig).Wait(); context.Items.Add(RouteKeys.IN_PROCESS_CONTEXT_KEY, BuildCallbackDetails(request, taskConfig.Identifier)); context.Request.Path = new PathString(taskConfig.Url.AbsolutePath); goto Continue; } else { statusCode = HttpStatusCode.Accepted; } } else { statusCode = HttpStatusCode.Unauthorized; } } else { if (request.Method == "GET" || request.Method == "HEAD") { if (request.Headers["Expect"] == "100-continue") { context.Response.StatusCode = (int)HttpStatusCode.Continue; goto Continue; } else { statusCode = HttpStatusCode.MethodNotAllowed; } } else { statusCode = HttpStatusCode.NotImplemented; } } } else { statusCode = HttpStatusCode.NoContent; } context.Response.StatusCode = (int)statusCode; return(context.Response.WriteAsync("")); } } } catch (Exception ex) { } Continue: return(_next(context)); }