public static QueryResults ExecuteNonCached(ParsedQuery query, Site site, User user) { var remoteIP = OData.GetRemoteIP(); var key = "total-" + remoteIP; var currentCount = (int?)Current.GetCachedObject(key) ?? 0; currentCount++; Current.SetCachedObjectSliding(key, currentCount, 60 * 60); if (currentCount > 130) { // clearly a robot, auto black list var b = new BlackList { CreationDate = DateTime.UtcNow, IPAddress = remoteIP }; } if (currentCount > 100) { throw new Exception("You can not run any new queries for another hour, you have exceeded your limit!"); } if (Current.DB.ExecuteQuery<int>("select count(*) from BlackList where IPAddress = {0}", remoteIP).First() > 0) { System.Threading.Thread.Sleep(2000); throw new Exception("You have been blacklisted due to abuse!"); } var results = new QueryResults(); using (SqlConnection cnn = site.GetConnection()) { cnn.Open(); // well we do not want to risk blocking, if somebody needs to change this we will need to add a setting cnn.Execute("set transaction isolation level read uncommitted"); var timer = new Stopwatch(); timer.Start(); var messages = new StringBuilder(); var infoHandler = new SqlInfoMessageEventHandler((sender, args) => { // todo handle errors as well messages.AppendLine(args.Message); }); try { cnn.InfoMessage += infoHandler; if (query.IncludeExecutionPlan) { using (var command = new SqlCommand("SET STATISTICS XML ON", cnn)) { command.ExecuteNonQuery(); } } var plan = new QueryPlan(); foreach (string batch in query.ExecutionSqlBatches) { using (var command = new SqlCommand(batch, cnn)) { command.CommandTimeout = QUERY_TIMEOUT; PopulateResults(results, command, messages, query.IncludeExecutionPlan); } if (query.IncludeExecutionPlan) { plan.AppendBatchPlan(results.ExecutionPlan); results.ExecutionPlan = null; } } results.ExecutionPlan = plan.PlanXml; } finally { cnn.InfoMessage -= infoHandler; results.Messages = messages.ToString(); } timer.Stop(); results.ExecutionTime = timer.ElapsedMilliseconds; ProcessMagicColumns(results, cnn); } return results; }
partial void UpdateBlackList(BlackList instance);
partial void DeleteBlackList(BlackList instance);
partial void InsertBlackList(BlackList instance);