CodeDevMLH/jellyfin-plugin-media-bar-enhanced
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Refactor overlay image handling and improve safety checks for plugin configuration
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CodeDevMLH
2026-03-09 04:02:17 +01:00
parent 518fd5640e
commit bb6310381a
3 changed files with 12 additions and 13 deletions
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22
Jellyfin.Plugin.MediaBarEnhanced/Api/OverlayImageController.cs
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@@ -23,7 +23,7 @@ namespace Jellyfin.Plugin.MediaBarEnhanced.Api
_applicationPaths = applicationPaths;
// We use the plugin's data folder to store the image
_imageDirectory = Path.Combine(_applicationPaths.PluginConfigurationPath, "MediaBarEnhanced");
_imageDirectory = MediaBarEnhancedPlugin.Instance?.DataFolderPath ?? Path.Combine(applicationPaths.DataPath, "plugins", "MediaBarEnhanced");
// We'll just overwrite this single file each time
_imagePath = Path.Combine(_imageDirectory, "custom_overlay_image.dat");
@@ -48,13 +48,10 @@ namespace Jellyfin.Plugin.MediaBarEnhanced.Api
Directory.CreateDirectory(_imageDirectory);
}
// Delete the old one if it exists to ensure freshness
if (System.IO.File.Exists(_imagePath))
{
System.IO.File.Delete(_imagePath);
}
using (var stream = new FileStream(_imagePath, FileMode.Create))
// Delete is not strictly necessary and can cause locking issues if someone is currently reading it.
// FileMode.Create will truncate the file if it exists, effectively overwriting it.
// We use FileShare.None to ensure we have exclusive write access, but handle potential IOExceptions gracefully.
using (var stream = new FileStream(_imagePath, FileMode.Create, FileAccess.Write, FileShare.None))
{
await file.CopyToAsync(stream).ConfigureAwait(false);
}
@@ -80,9 +77,12 @@ namespace Jellyfin.Plugin.MediaBarEnhanced.Api
return NotFound();
}
// Read the file and return as a generic octet stream, since we don't strictly track the mime type
// The browser will figure out it's an image
var stream = new FileStream(_imagePath, FileMode.Open, FileAccess.Read, FileShare.Read);
// Read the file and return as a generic octet stream.
// We use FileShare.ReadWrite so that if someone is currently overwriting the file (uploading), we don't block them,
// and we also don't get blocked by other readers.
var stream = new FileStream(_imagePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
// "image/*" works reliably as browsers will sniff the exact image mime type (jpeg, png, webp).
return File(stream, "image/*");
}
}