seb-win-refactoring/SafeExamBrowser.Server/FileSystem.cs

59 lines
1.3 KiB
C#

/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using System;
using System.IO;
using System.Net.Http;
using System.Threading.Tasks;
using SafeExamBrowser.Configuration.Contracts;
using SafeExamBrowser.Logging.Contracts;
namespace SafeExamBrowser.Server
{
internal class FileSystem
{
private readonly AppConfig appConfig;
private readonly ILogger logger;
internal FileSystem(AppConfig appConfig, ILogger logger)
{
this.appConfig = appConfig;
this.logger = logger;
}
internal bool TrySaveFile(HttpContent content, out Uri uri)
{
uri = new Uri(Path.Combine(appConfig.TemporaryDirectory, $"ServerExam{appConfig.ConfigurationFileExtension}"));
try
{
var task = Task.Run(async () =>
{
return await content.ReadAsStreamAsync();
});
using (var data = task.GetAwaiter().GetResult())
using (var file = new FileStream(uri.LocalPath, FileMode.Create))
{
data.Seek(0, SeekOrigin.Begin);
data.CopyTo(file);
data.Flush();
file.Flush();
}
return true;
}
catch (Exception e)
{
logger.Error($"Failed to save file '{uri.LocalPath}'!", e);
}
return false;
}
}
}