173 lines
6.0 KiB
C#
173 lines
6.0 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.Collections.Generic;
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using System.Linq;
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using System.Linq.Expressions;
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using ASC.Common;
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using ASC.Core.Common.EF;
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using ASC.Core.Tenants;
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namespace ASC.Core.Data
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{
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[Scope]
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class DbAzService : IAzService
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{
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public Expression<Func<Acl, AzRecord>> FromAclToAzRecord { get; set; }
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private CoreDbContext CoreDbContext { get => LazyCoreDbContext.Value; }
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private Lazy<CoreDbContext> LazyCoreDbContext { get; set; }
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public DbAzService(DbContextManager<CoreDbContext> dbContextManager)
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{
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LazyCoreDbContext = new Lazy<CoreDbContext>(() => dbContextManager.Value);
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FromAclToAzRecord = r => new AzRecord
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{
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ActionId = r.Action,
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ObjectId = r.Object,
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Reaction = r.AceType,
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SubjectId = r.Subject,
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Tenant = r.Tenant
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};
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}
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public IEnumerable<AzRecord> GetAces(int tenant, DateTime from)
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{
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// row with tenant = -1 - common for all tenants, but equal row with tenant != -1 escape common row for the portal
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var commonAces =
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CoreDbContext.Acl
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.Where(r => r.Tenant == Tenant.DEFAULT_TENANT)
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.Select(FromAclToAzRecord)
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.ToDictionary(a => string.Concat(a.Tenant.ToString(), a.SubjectId.ToString(), a.ActionId.ToString(), a.ObjectId));
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var tenantAces =
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CoreDbContext.Acl
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.Where(r => r.Tenant == tenant)
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.Select(FromAclToAzRecord)
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.ToList();
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// remove excaped rows
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foreach (var a in tenantAces)
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{
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var key = string.Concat(a.Tenant.ToString(), a.SubjectId.ToString(), a.ActionId.ToString(), a.ObjectId);
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if (commonAces.ContainsKey(key))
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{
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var common = commonAces[key];
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commonAces.Remove(key);
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if (common.Reaction == a.Reaction)
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{
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tenantAces.Remove(a);
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}
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}
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}
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return commonAces.Values.Concat(tenantAces);
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}
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public AzRecord SaveAce(int tenant, AzRecord r)
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{
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r.Tenant = tenant;
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using var tx = CoreDbContext.Database.BeginTransaction();
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if (!ExistEscapeRecord(r))
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{
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InsertRecord(r);
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}
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else
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{
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// unescape
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DeleteRecord(r);
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}
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tx.Commit();
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return r;
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}
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public void RemoveAce(int tenant, AzRecord r)
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{
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r.Tenant = tenant;
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using var tx = CoreDbContext.Database.BeginTransaction();
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if (ExistEscapeRecord(r))
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{
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// escape
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InsertRecord(r);
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}
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else
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{
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DeleteRecord(r);
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}
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tx.Commit();
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}
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private bool ExistEscapeRecord(AzRecord r)
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{
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var count = CoreDbContext.Acl
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.Where(a => a.Tenant == Tenant.DEFAULT_TENANT)
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.Where(a => a.Subject == r.SubjectId)
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.Where(a => a.Action == r.ActionId)
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.Where(a => a.Object == (r.ObjectId ?? string.Empty))
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.Where(a => a.AceType == r.Reaction)
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.Count();
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return count != 0;
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}
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private void DeleteRecord(AzRecord r)
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{
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var record = CoreDbContext.Acl
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.Where(a => a.Tenant == r.Tenant)
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.Where(a => a.Subject == r.SubjectId)
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.Where(a => a.Action == r.ActionId)
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.Where(a => a.Object == (r.ObjectId ?? string.Empty))
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.Where(a => a.AceType == r.Reaction)
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.FirstOrDefault();
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if (record != null)
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{
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CoreDbContext.Acl.Remove(record);
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CoreDbContext.SaveChanges();
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}
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}
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private void InsertRecord(AzRecord r)
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{
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var record = new Acl
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{
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AceType = r.Reaction,
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Action = r.ActionId,
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Object = r.ObjectId ?? string.Empty,
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Subject = r.SubjectId,
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Tenant = r.Tenant
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};
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CoreDbContext.AddOrUpdate(r => r.Acl, record);
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CoreDbContext.SaveChanges();
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}
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}
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}
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