selfprivacy-rest-api/selfprivacy_api/models/tokens/new_device_key.py

49 lines
1.2 KiB
Python

"""
New device key used to obtain access token.
"""
from datetime import datetime, timedelta, timezone
import secrets
from pydantic import BaseModel
from mnemonic import Mnemonic
from selfprivacy_api.models.tokens.time import is_past
class NewDeviceKey(BaseModel):
"""
Recovery key used to obtain access token.
Recovery key has a key string, date of creation, date of expiration.
"""
key: str
created_at: datetime
expires_at: datetime
def is_valid(self) -> bool:
"""
Check if key is valid.
"""
if is_past(self.expires_at):
return False
return True
def as_mnemonic(self) -> str:
"""
Get the key as a mnemonic.
"""
return Mnemonic(language="english").to_mnemonic(bytes.fromhex(self.key))
@staticmethod
def generate() -> "NewDeviceKey":
"""
Factory to generate a random token.
"""
creation_date = datetime.now(timezone.utc)
key = secrets.token_bytes(16).hex()
return NewDeviceKey(
key=key,
created_at=creation_date,
expires_at=creation_date + timedelta(minutes=10),
)