fix: subdirectory cache support, URL-decode, parent dirs

app.py

@@ -54,6 +54,7 @@ class SmartCache:
     def put(self, key, src_path, content_type="video/mp4"):
         with LOCK:
             fpath = CACHE_DIR / key
+            fpath.parent.mkdir(parents=True, exist_ok=True)
             shutil.copy2(src_path, fpath)
             meta = CACHE_DIR / f"{key}.meta"
             with open(meta, "w") as f:
@@ -69,7 +70,7 @@ class SmartCache:
         files = 0
         size = 0
         with LOCK:
-            for f in CACHE_DIR.iterdir():
+            for f in CACHE_DIR.rglob("*"):
                 if f.is_file() and not f.name.endswith(".meta"):
                     files += 1
                     size += f.stat().st_size
@@ -77,13 +78,13 @@ class SmartCache:
 
     def cleanup(self):
         with LOCK:
-            total = sum(f.stat().st_size for f in CACHE_DIR.iterdir()
+            total = sum(f.stat().st_size for f in CACHE_DIR.rglob("*")
                        if f.is_file() and not f.name.endswith(".meta"))
             if total < MAX_CACHE_BYTES:
                 return
 
             entries = []
-            for f in CACHE_DIR.iterdir():
+            for f in CACHE_DIR.rglob("*"):
                 if f.is_file() and not f.name.endswith(".meta"):
                     meta = CACHE_DIR / f"{f.name}.meta"
                     hits = 0
@@ -129,7 +130,7 @@ class Handler(http.server.BaseHTTPRequestHandler):
             return
 
         if parsed.path.startswith("/stream/"):
-            key = parsed.path.split("/stream/", 1)[-1]
+            key = urllib.parse.unquote(parsed.path.split("/stream/", 1)[-1])
             if not key:
                 self._json(400, {"error": "Missing file key"})
                 return
@@ -143,9 +144,10 @@ class Handler(http.server.BaseHTTPRequestHandler):
 
         if parsed.path == "/list":
             files = []
-            for f in sorted(CACHE_DIR.iterdir()):
+            for f in sorted(CACHE_DIR.rglob("*")):
                 if f.is_file() and not f.name.endswith(".meta"):
-                    meta = CACHE_DIR / f"{f.name}.meta"
+                    rel = str(f.relative_to(CACHE_DIR))
+                    meta = f.parent / f"{f.name}.meta"
                     expires = 0
                     hits = 0
                     if meta.exists():
@@ -157,7 +159,7 @@ class Handler(http.server.BaseHTTPRequestHandler):
                         except:
                             pass
                     files.append({
-                        "key": f.name,
+                        "key": rel,
                         "size": f.stat().st_size,
                         "expires_at": datetime.fromtimestamp(expires).isoformat() if expires else "N/A",
                         "hits": hits,
@@ -216,7 +218,7 @@ class Handler(http.server.BaseHTTPRequestHandler):
         if path == "/flush":
             with LOCK:
                 count = 0
-                for f in CACHE_DIR.iterdir():
+                for f in CACHE_DIR.rglob("*"):
                     if f.is_file():
                         f.unlink()
                         count += 1