* feat(playlist): add migration for playlist image field rename and external URL
* refactor(playlist): rename ImageFile to UploadedImage and ArtworkPath to UploadedImagePath
Rename playlist model fields and methods for clarity in preparation for
adding external image URL and sidecar image support. Add the new
ExternalImageURL field to the Playlist model.
* feat(playlist): parse #EXTALBUMARTURL directive in M3U imports
* feat(playlist): always sync ExternalImageURL on re-scan, preserve UploadedImage
* feat(artwork): add sidecar image discovery and cache invalidation for playlists
Add playlist sidecar image support to the artwork reader fallback chain.
A sidecar image (e.g., MyPlaylist.jpg next to MyPlaylist.m3u) is discovered
via case-insensitive base name matching using model.IsImageFile(). Cache
invalidation uses max(playlist.UpdatedAt, imageFile.ModTime()) to bust
stale artwork when sidecar or ExternalImageURL local files change.
* feat(artwork): add external image URL source to playlist artwork reader
Add fromPlaylistExternalImage source function that resolves playlist
cover art from ExternalImageURL, supporting both HTTP(S) URLs (via
the existing fromURL helper) and local file paths (via os.Open).
Insert it in the Reader() fallback chain between sidecar and tiled cover.
* refactor(artwork): simplify playlist artwork source functions
Extract shared fromLocalFile helper, use url.Parse for scheme check,
and collapse sidecar directory scan conditions.
* test(artwork): remove redundant fromPlaylistSidecar tests
These tests duplicated scenarios already covered by findPlaylistSidecarPath
tests combined with fromLocalFile (tested via fromPlaylistExternalImage).
After refactoring fromPlaylistSidecar to a one-liner composing those two
functions, the wrapper tests add no value.
* fix(playlist): address security review comments from PR #5131:
- Use url.PathUnescape instead of url.QueryUnescape for file:// URLs so
that '+' in filenames is preserved (not decoded as space).
- Validate all local image paths (file://, absolute, relative) against
known library boundaries via libraryMatcher, rejecting paths outside
any configured library.
- Harden #EXTALBUMARTURL against path traversal and SSRF by adding EnableM3UExternalAlbumArt config flag (default false, also
disabled by EnableExternalServices=false) to gate HTTP(S) URL storage
at parse time and fetching at read time (defense in depth).
- Log a warning when os.ReadDir fails in findPlaylistSidecarPath for
diagnosability.
- Extract resolveLocalPath helper to simplify resolveImageURL.
Signed-off-by: Deluan <deluan@navidrome.org>
* feat(playlist): implement human-friendly filename generation for uploaded playlist cover images
Signed-off-by: Deluan <deluan@navidrome.org>
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Signed-off-by: Deluan <deluan@navidrome.org>
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