Files
cista-storage/cista/util/apphelpers.py
T
Leo Vasanko de78b41be4 Add token-based auth for WebDAV/NTLM and API access
- Add Token model with CRUD endpoints (/api/tokens, /auth/tokens)
- Support Basic auth with token:<secret> for built-in users
- Implement full NTLMv2 handshake for Windows WebDAV clients
- Add SSO token auth via check_permissions() proxy
- Hydrate request auth context from session or Authorization header
- Persist session cookie after successful Authorization-based login
- Add secure flag to session cookies based on request scheme
- Add frontend UserTokensModal for creating/revoking tokens
- Fix devserver to run workspace source via python -m cista
- Add tests for token CRUD and file auth (Basic, NTLM, session)
- Remove proactive WWW-Authenticate advertisement
2026-04-26 04:58:46 +00:00

97 lines
3.5 KiB
Python

import time
from functools import wraps
import msgspec
from sanic import errorpages
from sanic.exceptions import SanicException
from sanic.log import logger
from sanic.response import raw, redirect
from cista import auth
from cista.protocol import ErrorMsg
from cista.sanic_logging import log_ws_close, log_ws_open
def asend(ws, msg):
"""Send JSON message or bytes to a websocket"""
return ws.send(msg if isinstance(msg, bytes) else msgspec.json.encode(msg).decode())
def jres(data, **kwargs):
"""JSON Sanic response, using msgspec encoding"""
return raw(msgspec.json.encode(data), content_type="application/json", **kwargs)
async def handle_sanic_exception(request, e):
context, code = {}, 500
headers = None
message = str(e)
if isinstance(e, SanicException):
context = e.context or {}
code = e.status_code
headers = getattr(e, "headers", None)
if not message or not request.app.debug and code == 500:
message = "Internal Server Error"
message = f"⚠️ {message}" if code < 500 else f"🛑 {message}"
if code == 500:
logger.exception(e)
# Non-browsers get JSON errors
if "text/html" not in request.headers.accept:
# Include auth context if present (for SSO auth required responses)
# Auth must be at top level for paskia library to detect it
response_data = {"code": code, "message": message, "detail": message, **context}
return jres(
response_data,
status=code,
headers=headers,
)
# Redirections flash the error message via cookies
if "redirect" in context:
res = redirect(context["redirect"])
res.cookies.add_cookie("message", message, max_age=5)
return res
# Otherwise use Sanic's default error page
return errorpages.HTMLRenderer(request, e, debug=request.app.debug).render()
def websocket_wrapper(handler):
"""Decorator for websocket handlers that catches exceptions and sends them back to the client"""
@wraps(handler)
async def wrapper(request, ws, *args, **kwargs):
username = getattr(request.ctx, "username", None)
extra = username if username else None
start = time.perf_counter()
ws_id = log_ws_open(request, extra=extra)
close_extra = None
try:
await auth.verify(request)
await handler(request, ws, *args, **kwargs)
except Exception as e:
context, code, message = {}, 500, str(e) or "Internal Server Error"
if isinstance(e, SanicException):
context = e.context or {}
code = e.status_code
message = f"⚠️ {message}" if code < 500 else f"🛑 {message}"
await asend(ws, ErrorMsg({"code": code, "message": message, **context}))
if not getattr(e, "quiet", False) or code == 500:
logger.exception(f"{code} {e!r}")
close_extra = f"{code} {message}"
raise
finally:
duration = time.perf_counter() - start
close_code = None
try:
p = ws.ws_proto
if p.close_rcvd is not None:
close_code = p.close_rcvd.code
elif p.close_sent is not None:
close_code = p.close_sent.code
elif getattr(p, "close_code", None) is not None:
close_code = p.close_code
except AttributeError:
pass
log_ws_close(ws_id, close_code, duration, extra=close_extra)
return wrapper