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Merge pull request from GHSA-wg4c-c9g9-rxhx

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Fix issues 1 through 5 from GHSL-2021-050

(cherry picked from commit fe8cf29cad2ca1b5d3a78c86cacf3ba96608034f)
Signed-off-by: Joshua M. Boniface <joshua@boniface.me>
This commit is contained in:
Joshua M. Boniface 2021-03-21 19:12:14 -04:00
parent 75f39f0f2a
commit 0183ef8e89
3 changed files with 61 additions and 9 deletions
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23
Jellyfin.Api/Controllers/HlsSegmentController.cs
View File

@ -63,7 +63,13 @@ namespace Jellyfin.Api.Controllers
{
// TODO: Deprecate with new iOS app
var file = segmentId + Path.GetExtension(Request.Path);
file = Path.Combine(_serverConfigurationManager.GetTranscodePath(), file);
var transcodePath = _serverConfigurationManager.GetTranscodePath();
file = Path.GetFullPath(Path.Combine(transcodePath, file));
var fileDir = Path.GetDirectoryName(file);
if (string.IsNullOrEmpty(fileDir) || !fileDir.StartsWith(transcodePath))
{
return BadRequest("Invalid segment.");
}
return FileStreamResponseHelpers.GetStaticFileResult(file, MimeTypes.GetMimeType(file)!, false, HttpContext);
}
@ -83,7 +89,13 @@ namespace Jellyfin.Api.Controllers
public ActionResult GetHlsPlaylistLegacy([FromRoute, Required] string itemId, [FromRoute, Required] string playlistId)
{
var file = playlistId + Path.GetExtension(Request.Path);
file = Path.Combine(_serverConfigurationManager.GetTranscodePath(), file);
var transcodePath = _serverConfigurationManager.GetTranscodePath();
file = Path.GetFullPath(Path.Combine(transcodePath, file));
var fileDir = Path.GetDirectoryName(file);
if (string.IsNullOrEmpty(fileDir) || !fileDir.StartsWith(transcodePath) || Path.GetExtension(file) != ".m3u8")
{
return BadRequest("Invalid segment.");
}
return GetFileResult(file, file);
}
@ -132,7 +144,12 @@ namespace Jellyfin.Api.Controllers
var file = segmentId + Path.GetExtension(Request.Path);
var transcodeFolderPath = _serverConfigurationManager.GetTranscodePath();
file = Path.Combine(transcodeFolderPath, file);
file = Path.GetFullPath(Path.Combine(transcodeFolderPath, file));
var fileDir = Path.GetDirectoryName(file);
if (string.IsNullOrEmpty(fileDir) || !fileDir.StartsWith(transcodeFolderPath))
{
return BadRequest("Invalid segment.");
}
var normalizedPlaylistId = playlistId;

23
Jellyfin.Api/Controllers/ImageByNameController.cs
View File

@ -74,7 +74,7 @@ namespace Jellyfin.Api.Controllers
: type;
var path = BaseItem.SupportedImageExtensions
.Select(i => Path.Combine(_applicationPaths.GeneralPath, name, filename + i))
.Select(i => Path.GetFullPath(Path.Combine(_applicationPaths.GeneralPath, name, filename + i)))
.FirstOrDefault(System.IO.File.Exists);
if (path == null)
@ -82,6 +82,11 @@ namespace Jellyfin.Api.Controllers
return NotFound();
}
if (!path.StartsWith(_applicationPaths.GeneralPath))
{
return BadRequest("Invalid image path.");
}
var contentType = MimeTypes.GetMimeType(path);
return File(System.IO.File.OpenRead(path), contentType);
}
@ -163,7 +168,8 @@ namespace Jellyfin.Api.Controllers
/// <returns>A <see cref="FileStreamResult"/> containing the image contents on success, or a <see cref="NotFoundResult"/> if the image could not be found.</returns>
private ActionResult GetImageFile(string basePath, string theme, string? name)
{
var themeFolder = Path.Combine(basePath, theme);
var themeFolder = Path.GetFullPath(Path.Combine(basePath, theme));
if (Directory.Exists(themeFolder))
{
var path = BaseItem.SupportedImageExtensions.Select(i => Path.Combine(themeFolder, name + i))
@ -171,12 +177,18 @@ namespace Jellyfin.Api.Controllers
if (!string.IsNullOrEmpty(path) && System.IO.File.Exists(path))
{
if (!path.StartsWith(basePath))
{
return BadRequest("Invalid image path.");
}
var contentType = MimeTypes.GetMimeType(path);
return PhysicalFile(path, contentType);
}
}
var allFolder = Path.Combine(basePath, "all");
var allFolder = Path.GetFullPath(Path.Combine(basePath, "all"));
if (Directory.Exists(allFolder))
{
var path = BaseItem.SupportedImageExtensions.Select(i => Path.Combine(allFolder, name + i))
@ -184,6 +196,11 @@ namespace Jellyfin.Api.Controllers
if (!string.IsNullOrEmpty(path) && System.IO.File.Exists(path))
{
if (!path.StartsWith(basePath))
{
return BadRequest("Invalid image path.");
}
var contentType = MimeTypes.GetMimeType(path);
return PhysicalFile(path, contentType);
}

22
MediaBrowser.Providers/Subtitles/SubtitleManager.cs
View File

@ -205,13 +205,31 @@ namespace MediaBrowser.Providers.Subtitles
if (saveInMediaFolder)
{
savePaths.Add(Path.Combine(video.ContainingFolderPath, saveFileName));
var mediaFolderPath = Path.GetFullPath(Path.Combine(video.ContainingFolderPath, saveFileName));
// TODO: Add some error handling to the API user: return BadRequest("Could not save subtitle, bad path.");
if (mediaFolderPath.StartsWith(video.ContainingFolderPath))
{
savePaths.Add(mediaFolderPath);
}
}
savePaths.Add(Path.Combine(video.GetInternalMetadataPath(), saveFileName));
var internalPath = Path.GetFullPath(Path.Combine(video.GetInternalMetadataPath(), saveFileName));
// TODO: Add some error to the user: return BadRequest("Could not save subtitle, bad path.");
if (internalPath.StartsWith(video.GetInternalMetadataPath()))
{
savePaths.Add(internalPath);
}
if (savePaths.Count > 0)
{
await TrySaveToFiles(memoryStream, savePaths).ConfigureAwait(false);
}
else
{
_logger.LogError("An uploaded subtitle could not be saved because the resulting paths were invalid.");
}
}
}
private async Task TrySaveToFiles(Stream stream, List<string> savePaths)