update

core/storage/storage.go

@@ -0,0 +1,60 @@
+package storage
+
+import (
+	"errors"
+	"net/url"
+	"path/filepath"
+	"strings"
+	"sync"
+
+	"github.com/navidrome/navidrome/utils/slice"
+)
+
+const LocalSchemaID = "file"
+
+type constructor func(url.URL) Storage
+
+var (
+	registry = map[string]constructor{}
+	lock     sync.RWMutex
+)
+
+func Register(schema string, c constructor) {
+	lock.Lock()
+	defer lock.Unlock()
+	registry[schema] = c
+}
+
+// For returns a Storage implementation for the given URI.
+// It uses the schema part of the URI to find the correct registered
+// Storage constructor.
+// If the URI does not contain a schema, it is treated as a file:// URI.
+func For(uri string) (Storage, error) {
+	lock.RLock()
+	defer lock.RUnlock()
+	parts := strings.Split(uri, "://")
+
+	// Paths without schema are treated as file:// and use the default LocalStorage implementation
+	if len(parts) < 2 {
+		uri, _ = filepath.Abs(uri)
+		uri = filepath.ToSlash(uri)
+
+		// Properly escape each path component using URL standards
+		pathParts := strings.Split(uri, "/")
+		escapedParts := slice.Map(pathParts, func(s string) string {
+			return url.PathEscape(s)
+		})
+
+		uri = LocalSchemaID + "://" + strings.Join(escapedParts, "/")
+	}
+
+	u, err := url.Parse(uri)
+	if err != nil {
+		return nil, err
+	}
+	c, ok := registry[u.Scheme]
+	if !ok {
+		return nil, errors.New("schema '" + u.Scheme + "' not registered")
+	}
+	return c(*u), nil
+}