private bool ValidateGetRequest(PredictApiPostRequest req) { if (req.Entry == null) { return(false); } if (req.LoginToken == null) { return(false); } if (req.CompanyId <= 0) { return(false); } if (req.ComplaintGroupId < 0) { return(false); } if (req.UserId <= 0) { return(false); } return(true); }
private void HandlePostRequest(HttpListenerContext ctx) { try { #region Input Validation if (!ctx.Request.HasEntityBody) { WriteBodyResponse(ctx, 400, "Bad Request", "No Body"); return; } PredictApiPostRequest req = JsonDataObjectUtil <PredictApiPostRequest> .ParseObject(ctx); if (!ValidateGetRequest(req)) { WriteBodyResponse(ctx, 400, "Bad Request", "Incorrect Format"); return; } #endregion MySqlDataManipulator connection = new MySqlDataManipulator(); using (connection) { bool res = connection.Connect(MySqlDataManipulator.GlobalConfiguration.GetConnectionString()); if (!res) { WriteBodyResponse(ctx, 500, "Unexpected Server Error", "Connection to database failed"); return; } #region User Validation OverallUser mappedUser = connection.GetUserById(req.UserId); if (mappedUser == null) { WriteBodyResponse(ctx, 404, "Not Found", "User was not found on on the server"); return; } if (!UserVerificationUtil.LoginTokenValid(mappedUser, req.LoginToken)) { WriteBodyResponse(ctx, 401, "Not Authorized", "Login token was incorrect."); return; } #endregion #region Action Handling CompanySettingsEntry isPublicSetting = connection.GetCompanySettingsWhere(req.CompanyId, "SettingKey=\"" + CompanySettingsKey.Public + "\"")[0]; bool isPublic = bool.Parse(isPublicSetting.SettingValue); if (!isPublic && mappedUser.Company != req.CompanyId) { WriteBodyResponse(ctx, 401, "Not Authorized", "Cannot predict using other company's private data"); return; } List <UserSettingsEntry> userSettings = JsonDataObjectUtil <List <UserSettingsEntry> > .ParseObject(mappedUser.Settings); UserSettingsEntry predictionQueryResultsSetting = userSettings.Where(entry => entry.Key.Equals(UserSettingsEntryKeys.PredictionQueryResults)).First(); int numQueriesRequested = int.Parse(predictionQueryResultsSetting.Value); DatabaseQueryProcessor processor = new DatabaseQueryProcessor(); string ret = processor.ProcessQueryForSimilarQueries(req.Entry, connection, req.CompanyId, req.ComplaintGroupId, numQueriesRequested); WriteBodyResponse(ctx, 200, "OK", ret, "application/json"); #endregion } } catch (HttpListenerException) { //HttpListeners dispose themselves when an exception occurs, so we can do no more. } catch (Exception e) { WriteBodyResponse(ctx, 500, "Internal Server Error", "Error occurred during processing of request: " + e.Message); } }