2022-03-15 18:00:53 +00:00
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// (c) Copyright Ascensio System SIA 2010-2022
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//
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// This program is a free software product.
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// You can redistribute it and/or modify it under the terms
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// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
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// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
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// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
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// any third-party rights.
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//
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// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
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// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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//
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// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
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//
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// The interactive user interfaces in modified source and object code versions of the Program must
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// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
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//
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// Pursuant to Section 7(b) of the License you must retain the original Product logo when
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// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
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// trademark law for use of our trademarks.
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//
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// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
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// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
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// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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2022-02-09 18:49:52 +00:00
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namespace ASC.Web.Studio.Core.Backup;
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public class BackupFileUploadHandler
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{
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2022-03-28 09:53:15 +00:00
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private const long MaxBackupFileSize = 1024L * 1024L * 1024L;
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public BackupFileUploadHandler(RequestDelegate next)
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{
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}
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public async Task Invoke(HttpContext context,
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PermissionContext permissionContext,
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BackupAjaxHandler backupAjaxHandler)
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{
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FileUploadResult result;
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try
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{
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if (context.Request.Form.Files.Count == 0)
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2021-11-19 09:43:54 +00:00
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{
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result = Error("No files.");
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}
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if (!permissionContext.CheckPermissions(SecutiryConstants.EditPortalSettings))
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{
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result = Error("Access denied.");
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}
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var file = context.Request.Form.Files[0];
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if (file.Length <= 0 || file.Length > MaxBackupFileSize)
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{
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result = Error($"File size must be greater than 0 and less than {MaxBackupFileSize} bytes");
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}
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var filePath = backupAjaxHandler.GetTmpFilePath();
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if (File.Exists(filePath))
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{
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File.Delete(filePath);
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}
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2022-02-09 18:49:52 +00:00
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using (var fileStream = File.Create(filePath))
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{
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await file.CopyToAsync(fileStream);
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}
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result = Success();
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}
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catch (Exception error)
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{
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result = Error(error.Message);
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}
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await context.Response.WriteAsync(System.Text.Json.JsonSerializer.Serialize(result));
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}
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private FileUploadResult Success()
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{
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return new FileUploadResult
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{
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Success = true
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};
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}
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private FileUploadResult Error(string messageFormat, params object[] args)
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{
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return new FileUploadResult
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{
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Success = false,
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Message = string.Format(messageFormat, args)
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};
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}
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}
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public static class BackupFileUploadHandlerExtensions
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{
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public static IApplicationBuilder UseBackupFileUploadHandler(this IApplicationBuilder builder)
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{
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return builder.UseMiddleware<BackupFileUploadHandler>();
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}
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}
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