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Co-authored-by: def <dettlaff@riseup.net> Co-authored-by: Inex Code <inex.code@selfprivacy.org> Reviewed-on: https://git.selfprivacy.org/SelfPrivacy/selfprivacy-rest-api/pulls/18 Co-authored-by: def <dettlaff@riseup.net> Co-committed-by: def <dettlaff@riseup.net>
57 lines
1.5 KiB
Python
57 lines
1.5 KiB
Python
"""
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Recovery key used to obtain access token.
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Recovery key has a token string, date of creation, optional date of expiration and optional count of uses left.
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"""
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from datetime import datetime
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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 RecoveryKey(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, optional date of expiration and optional count of uses left.
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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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uses_left: Optional[int]
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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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if self.uses_left is not None and self.uses_left <= 0:
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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(
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expiration: Optional[datetime],
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uses_left: Optional[int],
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) -> "RecoveryKey":
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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(24).hex()
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return RecoveryKey(
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key=key,
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created_at=creation_date,
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expires_at=expiration,
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uses_left=uses_left,
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)
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