120 lines
3.7 KiB
C#
120 lines
3.7 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2018
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*
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* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
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* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
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* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
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*
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* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
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*
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* You can contact Ascensio System SIA by email at sales@onlyoffice.com
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*
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* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
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* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
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*
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* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
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* relevant author attributions when distributing the software. If the display of the logo in its graphic
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* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
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* in every copy of the program you distribute.
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* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
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*
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*/
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using System;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using log4net.Appender;
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using log4net.Core;
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using log4net.Util;
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namespace ASC.Common.Logging
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{
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public class SelfCleaningAppender : RollingFileAppender
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{
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private static DateTime _lastCleanDate;
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private static int? _cleanPeriod;
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private static int GetCleanPeriod()
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{
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if (_cleanPeriod != null)
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return _cleanPeriod.Value;
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const string key = "CleanPeriod";
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var value = 30;
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var repo = log4net.LogManager.GetRepository(Assembly.GetCallingAssembly());
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if (repo != null && repo.Properties.GetKeys().Contains(key))
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{
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int.TryParse(repo.Properties[key].ToString(), out value);
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}
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_cleanPeriod = value;
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return value;
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}
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private void Clean()
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{
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try
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{
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if (string.IsNullOrEmpty(File))
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return;
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var fileInfo = new FileInfo(File);
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if (!fileInfo.Exists)
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return;
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var directory = fileInfo.Directory;
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if (directory == null || !directory.Exists)
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return;
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var files = directory.GetFiles();
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var cleanPeriod = GetCleanPeriod();
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foreach (var file in files.Where(file => (DateTime.UtcNow.Date - file.CreationTimeUtc.Date).Days > cleanPeriod))
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{
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file.Delete();
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}
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}
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catch (Exception err)
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{
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LogLog.Error(GetType(), err.Message, err);
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}
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}
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protected override void Append(LoggingEvent loggingEvent)
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{
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if (DateTime.UtcNow.Date > _lastCleanDate.Date)
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{
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_lastCleanDate = DateTime.UtcNow.Date;
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Clean();
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}
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base.Append(loggingEvent);
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}
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protected override void Append(LoggingEvent[] loggingEvents)
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{
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if (DateTime.UtcNow.Date > _lastCleanDate.Date)
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{
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_lastCleanDate = DateTime.UtcNow.Date;
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Clean();
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}
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base.Append(loggingEvents);
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}
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}
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}
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