91 lines
2.5 KiB
C#
91 lines
2.5 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2021
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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using System.Reflection;
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using ASC.Common;
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using Microsoft.Extensions.Configuration;
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namespace System.IO
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{
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[Singletone]
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public class TempPath
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{
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readonly string tempFolder;
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public TempPath(IConfiguration configuration)
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{
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string 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["temp"] ?? Path.Combine("..", "Data", "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()
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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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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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throw;
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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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throw new IOException(ex.Message, ex);
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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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}
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}
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