video-accessibility/backend/app/core/security.py
2025-08-24 16:28:33 -05:00

55 lines
1.7 KiB
Python

from datetime import datetime, timedelta
from typing import Any, Optional, Union
from fastapi import HTTPException, status
from jose import JWTError, jwt
from passlib.context import CryptContext
from .config import settings
pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
def create_access_token(
subject: Union[str, Any], expires_delta: Optional[timedelta] = None
) -> str:
if expires_delta:
expire = datetime.utcnow() + expires_delta
else:
expire = datetime.utcnow() + timedelta(minutes=settings.jwt_access_ttl_min)
to_encode = {"exp": expire, "sub": str(subject)}
encoded_jwt = jwt.encode(to_encode, settings.jwt_secret, algorithm=settings.jwt_alg)
return encoded_jwt
def create_refresh_token(
subject: Union[str, Any], expires_delta: Optional[timedelta] = None
) -> str:
if expires_delta:
expire = datetime.utcnow() + expires_delta
else:
expire = datetime.utcnow() + timedelta(days=settings.jwt_refresh_ttl_days)
to_encode = {"exp": expire, "sub": str(subject), "type": "refresh"}
encoded_jwt = jwt.encode(to_encode, settings.jwt_secret, algorithm=settings.jwt_alg)
return encoded_jwt
def verify_password(plain_password: str, hashed_password: str) -> bool:
return pwd_context.verify(plain_password, hashed_password)
def get_password_hash(password: str) -> str:
return pwd_context.hash(password)
def decode_token(token: str) -> dict[str, Any]:
try:
payload = jwt.decode(token, settings.jwt_secret, algorithms=[settings.jwt_alg])
return payload
except JWTError:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Could not validate credentials",
)