Files
TelegramIndex-Fork/app/views/middlewhere.py
2021-06-14 21:23:33 +05:30

86 lines
2.2 KiB
Python

import time
import logging
from aiohttp.web import middleware, HTTPFound, Response
from aiohttp import BasicAuth, hdrs
from aiohttp_session import get_session
log = logging.getLogger(__name__)
def _do_basic_auth_check(request):
auth_header = request.headers.get(hdrs.AUTHORIZATION)
if not auth_header:
if "download_" in request.match_info.route.name:
return Response(
body=b"",
status=401,
reason="UNAUTHORIZED",
headers={
hdrs.WWW_AUTHENTICATE: 'Basic realm=""',
hdrs.CONTENT_TYPE: "text/html; charset=utf-8",
hdrs.CONNECTION: "keep-alive",
},
)
return
try:
auth = BasicAuth.decode(auth_header=auth_header)
except ValueError:
auth = None
if not auth:
return
if auth.login is None or auth.password is None:
return
if (
auth.login != request.app["username"]
or auth.password != request.app["password"]
):
return
return True
async def _do_cookies_auth_check(request):
session = await get_session(request)
if not session.get("logged_in", False):
return
session["last_at"] = time.time()
return True
def middleware_factory():
@middleware
async def factory(request, handler):
if request.app["is_authenticated"] and str(request.rel_url.path) not in [
"/login",
"/logout",
]:
url = request.app.router["login_page"].url_for()
if str(request.rel_url) != "/":
url = url.with_query(redirect_to=str(request.rel_url))
basic_auth_check_resp = _do_basic_auth_check(request)
if basic_auth_check_resp is True:
return await handler(request)
cookies_auth_check_resp = await _do_cookies_auth_check(request)
if cookies_auth_check_resp is not None:
return await handler(request)
if isinstance(basic_auth_check_resp, Response):
return basic_auth_check_resp
return HTTPFound(url)
return await handler(request)
return factory