DocSpace-buildtools/common/ASC.Common/Data/TempPath.cs
2022-02-03 17:18:58 +03:00

80 lines
2.4 KiB
C#

/*
*
* (c) Copyright Ascensio System Limited 2010-2021
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
using System.Reflection;
using ASC.Common;
using Microsoft.Extensions.Configuration;
namespace System.IO
{
[Singletone]
public class TempPath
{
private readonly string _tempFolder;
public TempPath(IConfiguration configuration)
{
string rootFolder = AppContext.BaseDirectory;
if (string.IsNullOrEmpty(rootFolder))
rootFolder = Assembly.GetEntryAssembly().Location;
_tempFolder = configuration["temp"] ?? Path.Combine("..", "Data", "temp");
if (!Path.IsPathRooted(_tempFolder))
_tempFolder = Path.GetFullPath(Path.Combine(rootFolder, _tempFolder));
if (!Directory.Exists(_tempFolder)) Directory.CreateDirectory(_tempFolder);
}
public string GetTempPath() => _tempFolder;
public string GetTempFileName()
{
FileStream f = null;
string path;
var count = 0;
do
{
path = Path.Combine(_tempFolder, Path.GetRandomFileName());
try
{
using (f = new FileStream(path, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.Read))
{
return path;
}
}
catch (IOException ex)
{
if (ex.HResult != -2147024816 || count++ > 65536)
throw;
}
catch (UnauthorizedAccessException ex)
{
if (count++ > 65536)
throw new IOException(ex.Message, ex);
}
} while (f == null);
return path;
}
}
}