diff options
| -rw-r--r-- | Jellyfin.Api/Controllers/HlsSegmentController.cs | 23 | ||||
| -rw-r--r-- | Jellyfin.Api/Controllers/ImageByNameController.cs | 23 | ||||
| -rw-r--r-- | MediaBrowser.Providers/Subtitles/SubtitleManager.cs | 24 |
3 files changed, 61 insertions, 9 deletions
diff --git a/Jellyfin.Api/Controllers/HlsSegmentController.cs b/Jellyfin.Api/Controllers/HlsSegmentController.cs index d0ed45acb..473bdc523 100644 --- a/Jellyfin.Api/Controllers/HlsSegmentController.cs +++ b/Jellyfin.Api/Controllers/HlsSegmentController.cs @@ -61,7 +61,13 @@ 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); } @@ -81,7 +87,13 @@ 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); } @@ -130,7 +142,12 @@ 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; diff --git a/Jellyfin.Api/Controllers/ImageByNameController.cs b/Jellyfin.Api/Controllers/ImageByNameController.cs index 198dbc51f..e1b808098 100644 --- a/Jellyfin.Api/Controllers/ImageByNameController.cs +++ b/Jellyfin.Api/Controllers/ImageByNameController.cs @@ -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); } diff --git a/MediaBrowser.Providers/Subtitles/SubtitleManager.cs b/MediaBrowser.Providers/Subtitles/SubtitleManager.cs index d4d79d27b..1f3d9acff 100644 --- a/MediaBrowser.Providers/Subtitles/SubtitleManager.cs +++ b/MediaBrowser.Providers/Subtitles/SubtitleManager.cs @@ -205,12 +205,30 @@ 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); + } - await TrySaveToFiles(memoryStream, savePaths).ConfigureAwait(false); + 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."); + } } } |