91 lines
2.5 KiB
C#
91 lines
2.5 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
|
|||
|
{
|
|||
|
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()
|
|||
|
{
|
|||
|
return 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;
|
|||
|
}
|
|||
|
}
|
|||
|
}
|