63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
|
"""
|
||
|
|
Copyright 2024-2026 ReplyPier
|
||
|
|
|
||
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
you may not use this file except in compliance with the License.
|
||
|
|
You may obtain a copy of the License at
|
||
|
|
|
||
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
|
||
|
|
Unless required by applicable law or agreed to in writing, software
|
||
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
See the License for the specific language governing permissions and
|
||
|
|
limitations under the License.
|
||
|
|
"""
|
||
|
|
|
||
|
|
# One-time OAuth `state` values for the install flows (Jira, CRMs, Slack).
|
||
|
|
#
|
||
|
|
# The provider sends the browser back to whichever backend worker it lands on, so
|
||
|
|
# the state lives in Redis when it is enabled. Without Redis (single-worker dev
|
||
|
|
# setups) an in-process dict stands in. Either way a state expires after
|
||
|
|
# STATE_TTL_SECONDS and can be redeemed once.
|
||
|
|
|
||
|
|
import time
|
||
|
|
from typing import Optional
|
||
|
|
|
||
|
|
from app.core.redis import get_redis
|
||
|
|
|
||
|
|
STATE_TTL_SECONDS = 60 * 10
|
||
|
|
|
||
|
|
# (kind, state) -> (value, expires_at)
|
||
|
|
_fallback: dict = {}
|
||
|
|
|
||
|
|
|
||
|
|
def _redis_key(kind: str, state: str) -> str:
|
||
|
|
return f"{kind}_oauth_state:{state}"
|
||
|
|
|
||
|
|
|
||
|
|
def store_state(kind: str, state: str, value: str) -> None:
|
||
|
|
"""Remember `value` (usually the org id) for `state` until it is popped or expires."""
|
||
|
|
redis_client = get_redis()
|
||
|
|
if redis_client is not None:
|
||
|
|
redis_client.set(_redis_key(kind, state), value, ex=STATE_TTL_SECONDS)
|
||
|
|
return
|
||
|
|
now = time.time()
|
||
|
|
for key in [k for k, (_, expires_at) in _fallback.items() if expires_at < now]:
|
||
|
|
_fallback.pop(key, None)
|
||
|
|
_fallback[(kind, state)] = (value, now + STATE_TTL_SECONDS)
|
||
|
|
|
||
|
|
|
||
|
|
def pop_state(kind: str, state: str) -> Optional[str]:
|
||
|
|
"""The value stored for `state`, removed so it can't be replayed; None if unknown or expired."""
|
||
|
|
if not state:
|
||
|
|
return None
|
||
|
|
redis_client = get_redis()
|
||
|
|
if redis_client is not None:
|
||
|
|
pipe = redis_client.pipeline()
|
||
|
|
pipe.get(_redis_key(kind, state))
|
||
|
|
pipe.delete(_redis_key(kind, state))
|
||
|
|
value, _ = pipe.execute()
|
||
|
|
return value or None
|
||
|
|
entry = _fallback.pop((kind, state), None)
|
||
|
|
return entry[0] if entry and entry[1] >= time.time() else None
|