Files
freetable/backend/app/utils/security.py
T

52 lines
1.4 KiB
Python

from datetime import datetime, timedelta, timezone
from typing import Optional
from passlib.context import CryptContext
from jose import JWTError, jwt
from app.config import get_settings
settings = get_settings()
# Password hashing context
pwd_context = CryptContext(
schemes=["bcrypt"], deprecated="auto", bcrypt__rounds=settings.PASSWORD_COST_FACTOR
)
def verify_password(plain_password: str, hashed_password: str) -> bool:
"""Verify a password against a hash."""
return pwd_context.verify(plain_password, hashed_password)
def get_password_hash(password: str) -> str:
"""Hash a password."""
return pwd_context.hash(password)
def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
"""Create a JWT access token."""
to_encode = data.copy()
if expires_delta:
expire = datetime.now(timezone.utc) + expires_delta
else:
expire = datetime.now(timezone.utc) + timedelta(
minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES
)
to_encode.update({"exp": expire})
encoded_jwt = jwt.encode(
to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM
)
return encoded_jwt
def decode_access_token(token: str) -> Optional[dict]:
"""Decode a JWT access token."""
try:
payload = jwt.decode(
token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM]
)
return payload
except JWTError:
return None