mirror of
https://github.com/HuFlungDu/pylibmeshctrl.git
synced 2026-02-20 21:52:16 +00:00
44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
import secrets
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import time
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from cryptography.hazmat.primitives.ciphers.aead import AESGCM
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import json
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import base64
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def encode_cookie(o, key):
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o["time"] = int(time.time()); # Add the cookie creation time
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iv = secrets.token_bytes(12)
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key = AESGCM(key)
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crypted = key.encrypt(iv, json.dumps(o), None)
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return base64.b64encode(crypted).replace("+", '@').replace("/", '$');
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class Eventer(object):
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def __init__(self):
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self._ons = {}
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self._onces = {}
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def on(self, event, func):
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self._ons.setdefault(event, set()).add(func)
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def once(self, event, func):
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self._onces.setdefault(event, set()).add(func)
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def off(self, event, func):
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try:
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self._onces.setdefault(event, set()).remove(func)
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except KeyError:
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pass
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try:
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self._ons.setdefault(event, set()).remove(func)
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except KeyError:
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pass
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def emit(self, event, data):
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for f in self._onces.get(event, []):
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f(data)
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try:
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del self._onces[event]
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except KeyError:
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pass
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for f in self._ons.get(event, []):
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f(data)
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