/// <summary> /// Get message string from Exception /// </summary> internal static WebSyncException GetWebSyncException(Exception exception) { WebSyncException webSyncException = new WebSyncException(exception.Message); webSyncException.Type = exception.GetType().ToString(); return(webSyncException); }
/// <summary> /// Extract session id and sync stage from header /// </summary> //private static SyncContext GetSyncContextFromHeader(HttpRequest httpRequest) //{ // if (!httpRequest.Headers.ContainsKey("Dotmim-Sync-Step")) // throw new Exception("No header containing SyncStage"); // if (!httpRequest.Headers.ContainsKey("Dotmim-Sync-SessionId")) // throw new Exception("No header containing Session Id"); // var stepValue = httpRequest.Headers.First(kvp => kvp.Key == "Dotmim-Sync-Step"); // SyncStage httpStep = (SyncStage)Enum.Parse(typeof(SyncStage), stepValue.Value); // var sessionIdValue = httpRequest.Headers.First(kvp => kvp.Key == "Dotmim-Sync-SessionId"); // Guid sessionId = Guid.Parse(sessionIdValue.Value); // SyncContext syncContext = new SyncContext(sessionId); // syncContext.SyncStage = httpStep; // return syncContext; //} /// <summary> /// Write exception to output message /// </summary> public async Task WriteExceptionAsync(HttpResponse httpResponse, Exception ex) { var webx = WebSyncException.GetWebSyncException(ex); var webXMessage = JsonConvert.SerializeObject(webx); httpResponse.StatusCode = StatusCodes.Status400BadRequest; httpResponse.ContentLength = webXMessage.Length; await httpResponse.WriteAsync(webXMessage); }
/// <summary> /// Process a request message with HttpClient object. /// </summary> public async Task <T> ProcessRequest <T>(T content, CancellationToken cancellationToken) { if (this.BaseUri == null) { throw new ArgumentException("BaseUri is not defined"); } HttpResponseMessage response = null; T dmSetResponse = default(T); try { if (cancellationToken.IsCancellationRequested) { cancellationToken.ThrowIfCancellationRequested(); } var requestUri = new StringBuilder(); requestUri.Append(this.BaseUri.ToString()); requestUri.Append(this.BaseUri.ToString().EndsWith("/", StringComparison.CurrentCultureIgnoreCase) ? string.Empty : "/"); // Add params if any if (ScopeParameters != null && ScopeParameters.Count > 0) { string prefix = "?"; foreach (var kvp in ScopeParameters) { requestUri.AppendFormat("{0}{1}={2}", prefix, Uri.EscapeUriString(kvp.Key), Uri.EscapeUriString(kvp.Value)); if (prefix.Equals("?")) { prefix = "&"; } } } // default handler if no one specified HttpClientHandler httpClientHandler = this.Handler ?? new HttpClientHandler(); // serialize dmSet content to bytearraycontent var serializer = BaseConverter <T> .GetConverter(SerializationFormat); var binaryData = serializer.Serialize(content); ByteArrayContent arrayContent = new ByteArrayContent(binaryData); // do not dispose HttpClient for performance issue if (client == null) { client = new HttpClient(httpClientHandler); } // add it to the default header if (this.Cookie != null) { client.DefaultRequestHeaders.Add("Cookie", this.Cookie.ToString()); } HttpRequestMessage requestMessage = new HttpRequestMessage(HttpMethod.Post, requestUri.ToString()) { Content = arrayContent }; if (this.CustomHeaders != null && this.CustomHeaders.Count > 0) { foreach (var kvp in this.CustomHeaders) { requestMessage.Headers.Add(kvp.Key, kvp.Value); } } //request.AddHeader("content-type", "application/json"); if (SerializationFormat == SerializationFormat.Json && !requestMessage.Content.Headers.Contains("content-type")) { requestMessage.Content.Headers.Add("content-type", "application/json"); } response = await client.SendAsync(requestMessage, cancellationToken); if (cancellationToken.IsCancellationRequested) { cancellationToken.ThrowIfCancellationRequested(); } // get response from server if (!response.IsSuccessStatusCode) { throw new Exception(response.ReasonPhrase); } // try to set the cookie for http session var headers = response?.Headers; if (headers != null) { if (headers.TryGetValues("Set-Cookie", out IEnumerable <string> tmpList)) { var cookieList = tmpList.ToList(); // var cookieList = response.Headers.GetValues("Set-Cookie").ToList(); if (cookieList != null && cookieList.Count > 0) { // Get the first cookie this.Cookie = CookieHeaderValue.ParseList(cookieList).FirstOrDefault(); } } } using (var streamResponse = await response.Content.ReadAsStreamAsync()) if (streamResponse.CanRead && streamResponse.Length > 0) { dmSetResponse = serializer.Deserialize(streamResponse); } return(dmSetResponse); } catch (Exception e) { if (response.Content == null) { throw e; } try { var exrror = await response.Content.ReadAsStringAsync(); WebSyncException webSyncException = JsonConvert.DeserializeObject <WebSyncException>(exrror); if (webSyncException != null) { throw webSyncException; } } catch (WebSyncException) { throw; } catch (Exception) { // no need to do something here, just rethrow the initial error } throw e; } }