seitime-frappe/frappe/middlewares.py
Akhil Narang e0e69a495c
fix: force download files based on extension even on development server
Signed-off-by: Akhil Narang <me@akhilnarang.dev>
2026-01-12 11:49:35 +05:30

44 lines
1.4 KiB
Python

# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# License: MIT. See LICENSE
from pathlib import Path
from werkzeug.exceptions import NotFound
from werkzeug.middleware.shared_data import SharedDataMiddleware
import frappe
from frappe.utils import cstr, get_site_name
from frappe.utils.response import FORCE_DOWNLOAD_EXTENSIONS
class StaticDataMiddleware(SharedDataMiddleware):
def __call__(self, environ, start_response):
self.environ = environ
def patch_start_response(status, headers, exc_info=None):
if (
(path := environ.get("PATH_INFO", ""))
and path.startswith("/files/")
and path.lower().endswith(FORCE_DOWNLOAD_EXTENSIONS)
):
from urllib.parse import quote
filename = Path(path).name
headers.append(("Content-Disposition", f"attachment; filename*=UTF-8''{quote(filename)}"))
return start_response(status, headers, exc_info)
return super().__call__(environ, patch_start_response)
def get_directory_loader(self, directory):
def loader(path):
site = get_site_name(frappe.app._site or self.environ.get("HTTP_HOST"))
files_path = Path(directory) / site / "public" / "files"
requested_path = Path(cstr(path))
path = (files_path / requested_path).resolve()
if not path.is_relative_to(files_path) or not path.is_file():
raise NotFound
return path.name, self._opener(path)
return loader