Archived
46 lines
1.6 KiB
Python
46 lines
1.6 KiB
Python
from datetime import datetime, timedelta, timezone
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from typing import Any
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from argon2 import PasswordHasher
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from argon2.exceptions import InvalidHashError, VerificationError, VerifyMismatchError
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from jose import JWTError, jwt
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from .config import settings
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ALGORITHM = "HS256"
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_password_hasher = PasswordHasher()
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def hash_password(password: str) -> str:
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"""Создаёт Argon2id-хеш пользовательского пароля."""
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return _password_hasher.hash(password)
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def verify_password(password: str, password_hash: str) -> bool:
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"""Проверяет пароль и безопасно обрабатывает повреждённые хеши."""
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try:
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return _password_hasher.verify(password_hash, password)
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except (InvalidHashError, VerificationError, VerifyMismatchError):
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return False
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def create_access_token(subject: str) -> str:
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"""Создаёт короткоживущий JWT с идентификатором пользователя."""
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expires_at = datetime.now(timezone.utc) + timedelta(
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minutes=settings.access_token_expire_minutes
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)
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payload: dict[str, Any] = {"sub": subject, "exp": expires_at}
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return jwt.encode(payload, settings.secret_key.get_secret_value(), algorithm=ALGORITHM)
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def decode_access_token(token: str) -> dict[str, Any] | None:
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"""Проверяет подпись и срок действия JWT."""
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try:
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return jwt.decode(
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token,
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settings.secret_key.get_secret_value(),
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algorithms=[ALGORITHM],
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)
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except JWTError:
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return None
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