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20d2726faa
* Handle subdirectories without rx permission correctly Allow ogg files w/o metadata, having taglib behave more like ffmpeg * Fix test for walk_dir_tree, fix full reading of files in permission- constrained directories, allow directories with leading ellipses * Sorted directory traversal is preferred, and cleanup tests * Small refactoring to clean-up `loadDir` function and to remove some "warnings" from IntelliJ Co-authored-by: Deluan <deluan@navidrome.org>
83 lines
2.4 KiB
Go
83 lines
2.4 KiB
Go
package metadata
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import (
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"errors"
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"os"
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"github.com/dhowden/tag"
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"github.com/navidrome/navidrome/log"
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"github.com/navidrome/navidrome/scanner/metadata/taglib"
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)
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type taglibMetadata struct {
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baseMetadata
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hasPicture bool
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}
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func (m *taglibMetadata) Title() string { return m.getTag("title", "titlesort", "_track") }
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func (m *taglibMetadata) Album() string { return m.getTag("album", "albumsort", "_album") }
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func (m *taglibMetadata) Artist() string { return m.getTag("artist", "artistsort", "_artist") }
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func (m *taglibMetadata) Genre() string { return m.getTag("genre", "_genre") }
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func (m *taglibMetadata) Year() int { return m.parseYear("date", "_year") }
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func (m *taglibMetadata) TrackNumber() (int, int) {
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return m.parseTuple("track", "tracknumber", "_track")
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}
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func (m *taglibMetadata) Duration() float32 { return m.parseFloat("length") }
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func (m *taglibMetadata) BitRate() int { return m.parseInt("bitrate") }
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func (m *taglibMetadata) HasPicture() bool { return m.hasPicture }
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type taglibExtractor struct{}
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func (e *taglibExtractor) Extract(paths ...string) (map[string]Metadata, error) {
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mds := map[string]Metadata{}
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for _, path := range paths {
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md, err := e.extractMetadata(path)
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if err == nil {
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mds[path] = md
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}
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}
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return mds, nil
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}
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func (e *taglibExtractor) extractMetadata(filePath string) (*taglibMetadata, error) {
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var err error
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md := &taglibMetadata{}
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md.filePath = filePath
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md.fileInfo, err = os.Stat(filePath)
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if err != nil {
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log.Warn("Error stating file. Skipping", "filePath", filePath, err)
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return nil, errors.New("error stating file")
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}
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md.tags, err = taglib.Read(filePath)
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if err != nil {
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log.Warn("Error reading metadata from file. Skipping", "filePath", filePath, err)
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}
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md.hasPicture = hasEmbeddedImage(filePath)
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return md, nil
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}
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func hasEmbeddedImage(path string) bool {
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defer func() {
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if r := recover(); r != nil {
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log.Error("Panic while checking for images. Please report this error with a copy of the file", "path", path, r)
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}
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}()
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f, err := os.Open(path)
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if err != nil {
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log.Warn("Error opening file", "filePath", path, err)
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return false
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}
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defer f.Close()
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m, err := tag.ReadFrom(f)
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if err != nil {
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log.Warn("Error reading picture tag from file", "filePath", path, err)
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return false
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}
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return m.Picture() != nil
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}
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var _ Metadata = (*taglibMetadata)(nil)
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var _ Extractor = (*taglibExtractor)(nil)
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