mxi PUdZddlmZddlZddlZddlmZdZded<d dZ d d Z y) ajUtilities for safely resolving component asset paths and content types. These helpers are used by server handlers to construct safe absolute paths for component files and to determine the appropriate ``Content-Type`` header for responses. Path resolution prevents directory traversal by normalizing and checking real paths against a component's root directory. ) annotationsN)Finalzapplication/octet-streamz Final[str] _OCTET_STREAMchtjj|}tjjtjj ||}tjj|} tjj ||g|k7ry |S#t $rYywxYw)aBuild an absolute path inside ``component_root`` if safe. The function joins ``relative_url_path`` with ``component_root`` and normalizes and resolves symlinks. If the resulting path escapes the component root, ``None`` is returned to indicate a forbidden traversal. Parameters ---------- component_root : str Absolute path to the component's root directory. relative_url_path : str Relative URL path from the component root to the requested file. Returns ------- str or None The resolved absolute path if it stays within ``component_root``; otherwise ``None`` when the path would traverse outside the root. N)ospathrealpathnormpathjoin commonpath ValueError)component_rootrelative_url_path root_real candidatecandidate_reals `/home/htdocs/ttos/venv/lib/python3.12/site-packages/streamlit/web/server/component_file_utils.pybuild_safe_abspathr!s(  0I  i9J!KLIWW%%i0N 77  y.9 :i G H  s=$B%% B10B1cbtj|\}}|dk(ry|tS||StS)aGuess the HTTP ``Content-Type`` for a file path. This logic mirrors Tornado's ``StaticFileHandler`` by respecting encoding metadata from ``mimetypes.guess_type`` and falling back to ``application/octet-stream`` when no specific type can be determined. Parameters ---------- abspath : str Absolute file path used for type detection (only the suffix matters). Returns ------- str Guessed content type string suitable for the ``Content-Type`` header. gzipzapplication/gzip) mimetypes guess_typer)abspath mime_typeencodings rguess_content_typerDsD"$..w7Ix6! )rstrrrreturnz str | None)rrrr) __doc__ __future__rrrtypingrr__annotations__rrrrr%s- # 6 z6 Fr