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https://github.com/hansjone/netx.git
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oliver
633a9d55bd
Add capability RBAC, Alembic bootstrap, optional worker schedulers, and close public docs by default so lab installs stay usable without shared signing keys. Co-authored-by: Cursor <cursoragent@cursor.com>
49 lines
1.2 KiB
Python
49 lines
1.2 KiB
Python
"""Short-lived WebCRT WebSocket tickets (avoid putting JWT in query strings)."""
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from __future__ import annotations
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import secrets
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import threading
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import time
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from dataclasses import dataclass
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_TTL_SEC = 90
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_lock = threading.Lock()
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_tickets: dict[str, tuple[float, str, frozenset[str]]] = {}
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@dataclass(frozen=True)
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class TicketInfo:
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user_id: str
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scopes: frozenset[str]
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def issue_ws_ticket(*, user_id: str, scopes: frozenset[str], ttl_sec: int = _TTL_SEC) -> tuple[str, int]:
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tid = secrets.token_urlsafe(24)
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exp = time.time() + max(15, int(ttl_sec))
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with _lock:
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_purge_locked()
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_tickets[tid] = (exp, str(user_id), frozenset(scopes))
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return tid, max(15, int(ttl_sec))
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def consume_ws_ticket(ticket: str) -> TicketInfo | None:
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raw = str(ticket or "").strip()
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if not raw:
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return None
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with _lock:
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_purge_locked()
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row = _tickets.pop(raw, None)
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if row is None:
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return None
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exp, user_id, scopes = row
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if exp < time.time():
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return None
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return TicketInfo(user_id=user_id, scopes=scopes)
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def _purge_locked() -> None:
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now = time.time()
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dead = [k for k, (exp, _, _) in _tickets.items() if exp < now]
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for k in dead:
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_tickets.pop(k, None)
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