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41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
import secrets
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from typing import Optional, Protocol, Union
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from pwdlib import PasswordHash
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from pwdlib.hashers.argon2 import Argon2Hasher
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from pwdlib.hashers.bcrypt import BcryptHasher
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class PasswordHelperProtocol(Protocol):
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def verify_and_update(
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self, plain_password: str, hashed_password: str
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) -> tuple[bool, Union[str, None]]: ... # pragma: no cover
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def hash(self, password: str) -> str: ... # pragma: no cover
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def generate(self) -> str: ... # pragma: no cover
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class PasswordHelper(PasswordHelperProtocol):
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def __init__(self, password_hash: Optional[PasswordHash] = None) -> None:
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if password_hash is None:
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self.password_hash = PasswordHash(
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(
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Argon2Hasher(),
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BcryptHasher(),
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)
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)
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else:
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self.password_hash = password_hash # pragma: no cover
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def verify_and_update(
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self, plain_password: str, hashed_password: str
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) -> tuple[bool, Union[str, None]]:
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return self.password_hash.verify_and_update(plain_password, hashed_password)
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def hash(self, password: str) -> str:
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return self.password_hash.hash(password)
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def generate(self) -> str:
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return secrets.token_urlsafe()
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