feat: 增加桌面端登录、视频清单和封面缓存

server/routes/covers.py

@@ -0,0 +1,19 @@
+from fastapi import APIRouter, Response
+
+from server.services.covers import covers
+
+router = APIRouter(prefix="/api/covers")
+
+
+@router.get("/{digest}")
+def cover(digest: str):
+    try:
+        data, media = covers.read(digest)
+    except RuntimeError as exc:
+        from fastapi import HTTPException
+        raise HTTPException(status_code=404, detail=str(exc)) from exc
+    return Response(
+        content=data,
+        media_type=media,
+        headers={"Cache-Control": "public, max-age=31536000, immutable"},
+    )