58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
"""
|
||
Модуль для работы с паролями
|
||
Отдельный модуль для избежания циклических импортов
|
||
"""
|
||
|
||
from binascii import hexlify
|
||
from hashlib import sha256
|
||
|
||
import bcrypt
|
||
|
||
|
||
class Password:
|
||
@staticmethod
|
||
def _to_bytes(data: str) -> bytes:
|
||
return bytes(data.encode())
|
||
|
||
@classmethod
|
||
def _get_sha256(cls, password: str) -> bytes:
|
||
bytes_password = cls._to_bytes(password)
|
||
return hexlify(sha256(bytes_password).digest())
|
||
|
||
@staticmethod
|
||
def encode(password: str) -> str:
|
||
"""
|
||
Кодирует пароль пользователя
|
||
|
||
Args:
|
||
password (str): Пароль пользователя
|
||
|
||
Returns:
|
||
str: Закодированный пароль
|
||
"""
|
||
password_sha256 = Password._get_sha256(password)
|
||
salt = bcrypt.gensalt(rounds=10)
|
||
return bcrypt.hashpw(password_sha256, salt).decode("utf-8")
|
||
|
||
@staticmethod
|
||
def verify(password: str, hashed: str) -> bool:
|
||
r"""
|
||
Verify that password hash is equal to specified hash. Hash format:
|
||
|
||
$2a$10$Ro0CUfOqk6cXEKf3dyaM7OhSCvnwM9s4wIX9JeLapehKK5YdLxKcm
|
||
\__/\/ \____________________/\_____________________________/
|
||
| | Salt Hash
|
||
| Cost
|
||
Version
|
||
|
||
More info: https://passlib.readthedocs.io/en/stable/lib/passlib.hash.bcrypt.html
|
||
|
||
:param password: clear text password
|
||
:param hashed: hash of the password
|
||
:return: True if clear text password matches specified hash
|
||
"""
|
||
hashed_bytes = Password._to_bytes(hashed)
|
||
password_sha256 = Password._get_sha256(password)
|
||
|
||
return bcrypt.checkpw(password_sha256, hashed_bytes)
|