99 lines
3.4 KiB
C#
99 lines
3.4 KiB
C#
// (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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namespace System.IO;
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[Singletone]
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public class TempPath
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{
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private readonly string _tempFolder;
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public TempPath(IHostEnvironment hostEnvironment, IConfiguration configuration)
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{
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var rootFolder = AppContext.BaseDirectory;
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if (string.IsNullOrEmpty(rootFolder))
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{
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rootFolder = Assembly.GetEntryAssembly().Location;
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}
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_tempFolder = configuration["web:temp"] ?? CrossPlatform.PathCombine(hostEnvironment.ContentRootPath, "temp");
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if (!Path.IsPathRooted(_tempFolder))
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{
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_tempFolder = Path.GetFullPath(Path.Combine(rootFolder, _tempFolder));
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}
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if (!Directory.Exists(_tempFolder))
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{
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Directory.CreateDirectory(_tempFolder);
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}
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}
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public string GetTempPath()
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{
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return _tempFolder;
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}
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public string GetTempFileName(string ext = "")
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{
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FileStream f = null;
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string path;
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var count = 0;
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do
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{
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path = Path.Combine(_tempFolder, Path.GetRandomFileName());
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if (!string.IsNullOrEmpty(ext))
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{
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path = Path.ChangeExtension(path, ext);
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}
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try
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{
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using (f = new FileStream(path, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.Read))
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{
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return path;
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}
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}
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catch (IOException ex)
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{
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if (ex.HResult != -2147024816 || count++ > 65536)
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{
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throw;
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}
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}
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catch (UnauthorizedAccessException ex)
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{
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if (count++ > 65536)
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{
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throw new IOException(ex.Message, ex);
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}
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}
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} while (f == null);
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return path;
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}
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} |