139 lines
4.8 KiB
C#
139 lines
4.8 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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namespace ASC.Data.Storage;
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public class TenantQuotaController : IQuotaController
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{
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private long CurrentSize
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{
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get
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{
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if (!_lazyCurrentSize.IsValueCreated)
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{
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return _currentSize = _lazyCurrentSize.Value;
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}
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return _currentSize;
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}
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set => _currentSize = value;
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}
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private readonly int _tenant;
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private readonly TenantManager _tenantManager;
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private Lazy<long> _lazyCurrentSize;
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private long _currentSize;
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public TenantQuotaController(int tenant, TenantManager tenantManager)
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{
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_tenant = tenant;
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_tenantManager = tenantManager;
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_lazyCurrentSize = new Lazy<long>(() => _tenantManager.FindTenantQuotaRows(tenant)
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.Where(r => UsedInQuota(r.Tag))
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.Sum(r => r.Counter));
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}
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#region IQuotaController Members
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public void QuotaUsedAdd(string module, string domain, string dataTag, long size, bool quotaCheckFileSize = true)
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{
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size = Math.Abs(size);
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if (UsedInQuota(dataTag))
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{
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QuotaUsedCheck(size, quotaCheckFileSize);
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CurrentSize += size;
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}
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SetTenantQuotaRow(module, domain, size, dataTag, true);
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}
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public void QuotaUsedDelete(string module, string domain, string dataTag, long size)
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{
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size = -Math.Abs(size);
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if (UsedInQuota(dataTag))
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{
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CurrentSize += size;
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}
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SetTenantQuotaRow(module, domain, size, dataTag, true);
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}
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public void QuotaUsedSet(string module, string domain, string dataTag, long size)
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{
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size = Math.Max(0, size);
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if (UsedInQuota(dataTag))
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{
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CurrentSize += size;
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}
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SetTenantQuotaRow(module, domain, size, dataTag, false);
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}
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public void QuotaUsedCheck(long size)
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{
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QuotaUsedCheck(size, true);
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}
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public void QuotaUsedCheck(long size, bool quotaCheckFileSize)
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{
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var quota = _tenantManager.GetTenantQuota(_tenant);
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if (quota != null)
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{
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if (quotaCheckFileSize && quota.MaxFileSize != 0 && quota.MaxFileSize < size)
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{
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throw new TenantQuotaException(string.Format("Exceeds the maximum file size ({0}MB)", BytesToMegabytes(quota.MaxFileSize)));
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}
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if (quota.MaxTotalSize != 0 && quota.MaxTotalSize < CurrentSize + size)
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{
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throw new TenantQuotaException(string.Format("Exceeded maximum amount of disk quota ({0}MB)", BytesToMegabytes(quota.MaxTotalSize)));
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}
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}
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}
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#endregion
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public long QuotaCurrentGet()
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{
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return CurrentSize;
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}
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private void SetTenantQuotaRow(string module, string domain, long size, string dataTag, bool exchange)
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{
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_tenantManager.SetTenantQuotaRow(
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new TenantQuotaRow { Tenant = _tenant, Path = string.Format("/{0}/{1}", module, domain), Counter = size, Tag = dataTag },
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exchange);
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}
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private bool UsedInQuota(string tag)
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{
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return !string.IsNullOrEmpty(tag) && new Guid(tag) != Guid.Empty;
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}
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private double BytesToMegabytes(long bytes)
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{
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return Math.Round(bytes / 1024d / 1024d, 1);
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}
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}
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