LibMediaProvider includes a number of security features to ensure that media content is protected from unauthorized access. These features include:
LibMediaProvider enforces scoped storage entirely in native code. Each FUSE operation verifies: libmediaprovider
┌─────────────────────────────────────┐ │ Apps (Music, Gallery, etc.) │ └─────────────────┬───────────────────┘ │ ContentResolver ┌─────────────────▼───────────────────┐ │ MediaProvider (Java) │ │ - URI routing, permission checks │ │ - Binder transaction handling │ └─────────────────┬───────────────────┘ │ JNI ┌─────────────────▼───────────────────┐ │ LibMediaProvider (Native) │ │ - Metadata extractors (libexif, │ │ libstagefright, libid3tag) │ │ - Thumbnail generator │ │ - FUSE daemon for external storage │ │ - SQLite extensions (FTS5, ICU) │ │ - File observer (inotify/epoll) │ └─────────────────┬───────────────────┘ │ VFS / Kernel ┌─────────────────▼───────────────────┐ │ Filesystem (ext4/f2fs/exFAT) │ └──────────────────────────────────────┘ LibMediaProvider includes a number of security features to