2020-05-20 15:14:44 +00:00
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/*
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*
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* (c) Copyright Ascensio System Limited 2010-2020
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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.Collections.Generic;
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using System.Xml;
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using System.Xml.Linq;
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2020-06-15 08:19:40 +00:00
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using ASC.Common;
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2020-05-20 15:14:44 +00:00
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namespace ASC.Data.Backup
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2020-10-19 15:53:15 +00:00
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{
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[Singletone]
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2020-05-20 15:14:44 +00:00
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public class BackupManager
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{
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private const string ROOT = "backup";
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private const string XML_NAME = "backupinfo.xml";
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2020-09-28 15:42:03 +00:00
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private readonly IDictionary<string, IBackupProvider> providers;
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2020-05-20 15:14:44 +00:00
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private readonly string backup;
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2020-06-15 08:19:40 +00:00
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private readonly string[] configs;
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2020-05-20 15:14:44 +00:00
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public event EventHandler<ProgressChangedEventArgs> ProgressChanged;
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2020-05-28 13:28:51 +00:00
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public BackupManager(string backup, DbBackupProvider dbBackupProvider)
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: this(backup, dbBackupProvider, null)
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2020-06-15 08:19:40 +00:00
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{
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2020-05-20 15:14:44 +00:00
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}
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2020-05-28 13:28:51 +00:00
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public BackupManager(string backup, DbBackupProvider dbBackupProvider, params string[] configs)
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2020-05-20 15:14:44 +00:00
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{
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this.backup = backup;
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this.configs = configs ?? new string[0];
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providers = new Dictionary<string, IBackupProvider>();
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2020-05-28 13:28:51 +00:00
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AddBackupProvider(dbBackupProvider);
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2020-05-20 15:14:44 +00:00
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AddBackupProvider(new FileBackupProvider());
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}
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public void AddBackupProvider(IBackupProvider provider)
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{
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providers.Add(provider.Name, provider);
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provider.ProgressChanged += OnProgressChanged;
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}
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public void RemoveBackupProvider(string name)
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{
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if (providers.ContainsKey(name))
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{
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providers[name].ProgressChanged -= OnProgressChanged;
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2020-10-12 19:39:23 +00:00
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providers.Remove(name);
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2020-05-20 15:14:44 +00:00
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}
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}
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public void Save(int tenant)
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{
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using (var backupWriter = new ZipWriteOperator(backup))
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{
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var doc = new XDocument(new XElement(ROOT, new XAttribute("tenant", tenant)));
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foreach (var provider in providers.Values)
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{
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var elements = provider.GetElements(tenant, configs, backupWriter);
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if (elements != null)
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{
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doc.Root.Add(new XElement(provider.Name, elements));
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}
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}
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backupWriter.WriteEntry(XML_NAME, doc.ToString(SaveOptions.None));
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}
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ProgressChanged(this, new ProgressChangedEventArgs(string.Empty, 100, true));
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}
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public void Load()
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{
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using (var reader = new ZipReadOperator(backup))
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using (var stream = reader.GetEntry(XML_NAME))
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using (var xml = XmlReader.Create(stream))
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{
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var root = XDocument.Load(xml).Element(ROOT);
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if (root == null) return;
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var tenant = int.Parse(root.Attribute("tenant").Value);
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foreach (var provider in providers.Values)
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{
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var element = root.Element(provider.Name);
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provider.LoadFrom(element != null ? element.Elements() : new XElement[0], tenant, configs, reader);
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}
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}
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ProgressChanged(this, new ProgressChangedEventArgs(string.Empty, 100, true));
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}
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private void OnProgressChanged(object sender, ProgressChangedEventArgs e)
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{
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2020-06-15 08:19:40 +00:00
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ProgressChanged?.Invoke(this, e);
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2020-05-20 15:14:44 +00:00
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}
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2020-05-28 13:28:51 +00:00
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}
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2020-05-20 15:14:44 +00:00
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}
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