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jellyfin/Emby.Server.Implementations/ResourceFileManager.cs

46 lines
1.3 KiB

#pragma warning disable CS1591
using System;
using System.IO;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Net;
using MediaBrowser.Model.IO;
using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations
{
public class ResourceFileManager : IResourceFileManager
{
private readonly IFileSystem _fileSystem;
private readonly ILogger<ResourceFileManager> _logger;
public ResourceFileManager(ILogger<ResourceFileManager> logger, IFileSystem fileSystem)
{
_logger = logger;
_fileSystem = fileSystem;
}
public string GetResourcePath(string basePath, string virtualPath)
{
var fullPath = Path.Combine(basePath, virtualPath.Replace('/', Path.DirectorySeparatorChar));
try
{
fullPath = Path.GetFullPath(fullPath);
}
catch (Exception ex)
{
_logger.LogError(ex, "Error retrieving full path");
}
// Don't allow file system access outside of the source folder
if (!_fileSystem.ContainsSubPath(basePath, fullPath))
{
throw new SecurityException("Access denied");
}
return fullPath;
}
}
}