43 lines
1.5 KiB
Python
43 lines
1.5 KiB
Python
"""Утилиты безопасности: хеширование паролей и JWT."""
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from __future__ import annotations
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from datetime import datetime, timedelta, timezone
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from typing import Any
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from app.core.config import settings
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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"""Проверяем соответствие пароля и хеша."""
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return pwd_context.verify(plain_password, hashed_password)
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def get_password_hash(password: str) -> str:
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"""Создаём безопасный хеш."""
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return pwd_context.hash(password)
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def create_access_token(subject: str, expires_delta: timedelta | None = None) -> str:
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"""Формируем JWT для аутентификации."""
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expire = datetime.now(timezone.utc) + (expires_delta or timedelta(minutes=settings.access_token_expire_minutes))
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to_encode: dict[str, Any] = {"sub": subject, "exp": expire}
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return jwt.encode(to_encode, settings.secret_key, algorithm=settings.jwt_algorithm)
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def decode_access_token(token: str) -> dict[str, Any]:
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"""Расшифровываем и валидируем JWT."""
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try:
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return jwt.decode(token, settings.secret_key, algorithms=[settings.jwt_algorithm])
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except JWTError as exc: # pragma: no cover - FastAPI обработает ошибку
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raise ValueError("Недействительный токен") from exc
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