48 lines
1.2 KiB
Python
48 lines
1.2 KiB
Python
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"""
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New device key used to obtain access token.
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"""
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from datetime import datetime, timedelta
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import secrets
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from typing import Optional
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from pydantic import BaseModel
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from mnemonic import Mnemonic
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class NewDeviceKey(BaseModel):
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"""
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Recovery key used to obtain access token.
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Recovery key has a key string, date of creation, date of expiration.
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"""
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key: str
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created_at: datetime
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expires_at: Optional[datetime]
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def is_valid(self) -> bool:
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"""
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Check if the recovery key is valid.
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"""
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if self.expires_at is not None and self.expires_at < datetime.now():
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return False
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return True
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def as_mnemonic(self) -> str:
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"""
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Get the recovery key as a mnemonic.
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"""
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return Mnemonic(language="english").to_mnemonic(bytes.fromhex(self.key))
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@staticmethod
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def generate() -> "NewDeviceKey":
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"""
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Factory to generate a random token.
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"""
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creation_date = datetime.now()
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key = secrets.token_bytes(16).hex()
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return NewDeviceKey(
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key=key,
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created_at=creation_date,
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expires_at=datetime.now() + timedelta(minutes=10),
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)
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