You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
67 lines
1.8 KiB
Python
67 lines
1.8 KiB
Python
"""ZAP Authenticator integrated with the asyncio IO loop.
|
|
|
|
.. versionadded:: 15.2
|
|
"""
|
|
|
|
# Copyright (C) PyZMQ Developers
|
|
# Distributed under the terms of the Modified BSD License.
|
|
|
|
import asyncio
|
|
import warnings
|
|
from typing import Any, Optional
|
|
|
|
import zmq
|
|
from zmq.asyncio import Poller
|
|
|
|
from .base import Authenticator
|
|
|
|
|
|
class AsyncioAuthenticator(Authenticator):
|
|
"""ZAP authentication for use in the asyncio IO loop"""
|
|
|
|
__poller: Optional[Poller]
|
|
__task: Any
|
|
|
|
def __init__(
|
|
self,
|
|
context: Optional["zmq.Context"] = None,
|
|
loop: Any = None,
|
|
encoding: str = 'utf-8',
|
|
log: Any = None,
|
|
):
|
|
super().__init__(context, encoding, log)
|
|
if loop is not None:
|
|
warnings.warn(
|
|
f"{self.__class__.__name__}(loop) is deprecated and ignored",
|
|
DeprecationWarning,
|
|
stacklevel=2,
|
|
)
|
|
self.__poller = None
|
|
self.__task = None
|
|
|
|
async def __handle_zap(self) -> None:
|
|
while self.__poller is not None:
|
|
events = await self.__poller.poll()
|
|
if self.zap_socket in dict(events):
|
|
msg = self.zap_socket.recv_multipart()
|
|
await self.handle_zap_message(msg)
|
|
|
|
def start(self) -> None:
|
|
"""Start ZAP authentication"""
|
|
super().start()
|
|
self.__poller = Poller()
|
|
self.__poller.register(self.zap_socket, zmq.POLLIN)
|
|
self.__task = asyncio.ensure_future(self.__handle_zap())
|
|
|
|
def stop(self) -> None:
|
|
"""Stop ZAP authentication"""
|
|
if self.__task:
|
|
self.__task.cancel()
|
|
if self.__poller:
|
|
self.__poller.unregister(self.zap_socket)
|
|
self.__poller = None
|
|
super().stop()
|
|
|
|
|
|
__all__ = ["AsyncioAuthenticator"]
|