47 lines
1.8 KiB
Python
47 lines
1.8 KiB
Python
|
"""Security helpers: password hashing and JWT token management."""
|
||
|
|
|
||
|
|
from datetime import datetime, timedelta, timezone
|
||
|
|
from typing import Any
|
||
|
|
|
||
|
|
from jose import jwt
|
||
|
|
from passlib.context import CryptContext
|
||
|
|
|
||
|
|
from app.core.config import settings
|
||
|
|
|
||
|
|
pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
|
||
|
|
|
||
|
|
|
||
|
|
def verify_password(plain_password: str, hashed_password: str) -> bool:
|
||
|
|
"""Verify a plaintext password against a bcrypt hash."""
|
||
|
|
return pwd_context.verify(plain_password, hashed_password)
|
||
|
|
|
||
|
|
|
||
|
|
def get_password_hash(password: str) -> str:
|
||
|
|
"""Hash a password using bcrypt."""
|
||
|
|
return pwd_context.hash(password)
|
||
|
|
|
||
|
|
|
||
|
|
def create_access_token(subject: str | Any, expires_delta: timedelta | None = None) -> str:
|
||
|
|
"""Create a short-lived JWT access token."""
|
||
|
|
if expires_delta is None:
|
||
|
|
expires_delta = timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
|
||
|
|
now = datetime.now(timezone.utc)
|
||
|
|
expire = now + expires_delta
|
||
|
|
to_encode = {"exp": expire, "sub": str(subject), "iat": now, "type": "access"}
|
||
|
|
return jwt.encode(to_encode, settings.JWT_SECRET_KEY, algorithm=settings.JWT_ALGORITHM)
|
||
|
|
|
||
|
|
|
||
|
|
def create_refresh_token(subject: str | Any, expires_delta: timedelta | None = None) -> str:
|
||
|
|
"""Create a long-lived JWT refresh token."""
|
||
|
|
if expires_delta is None:
|
||
|
|
expires_delta = timedelta(minutes=settings.REFRESH_TOKEN_EXPIRE_MINUTES)
|
||
|
|
now = datetime.now(timezone.utc)
|
||
|
|
expire = now + expires_delta
|
||
|
|
to_encode = {"exp": expire, "sub": str(subject), "iat": now, "type": "refresh"}
|
||
|
|
return jwt.encode(to_encode, settings.JWT_SECRET_KEY, algorithm=settings.JWT_ALGORITHM)
|
||
|
|
|
||
|
|
|
||
|
|
def verify_token(token: str) -> dict:
|
||
|
|
"""Decode and verify a JWT token. Returns the payload dict."""
|
||
|
|
return jwt.decode(token, settings.JWT_SECRET_KEY, algorithms=[settings.JWT_ALGORITHM])
|