69 lines
2.0 KiB
Python
69 lines
2.0 KiB
Python
import bcrypt
|
|
import jwt
|
|
from jwt.exceptions import PyJWTError
|
|
|
|
from fastapi import Depends, HTTPException, status
|
|
from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
|
|
from sqlalchemy.orm import Session
|
|
|
|
import database
|
|
import models
|
|
|
|
|
|
SECRET = os.getenv("GYM_JWT_SECRET", "dev-secret-change-me")
|
|
ALGORITHM = "HS256"
|
|
EXPIRE_DAYS = int(os.getenv("GYM_JWT_EXPIRE_DAYS", "30"))
|
|
|
|
bearer_scheme = HTTPBearer(auto_error=False)
|
|
|
|
|
|
def hash_password(password: str) -> str:
|
|
return bcrypt.hashpw(password.encode("utf-8"), bcrypt.gensalt()).decode("utf-8")
|
|
|
|
|
|
def verify_password(password: str, hashed: str) -> bool:
|
|
try:
|
|
return bcrypt.checkpw(password.encode("utf-8"), hashed.encode("utf-8"))
|
|
except ValueError:
|
|
return False
|
|
|
|
|
|
def create_access_token(user: models.User) -> str:
|
|
now = datetime.now(timezone.utc)
|
|
payload = {
|
|
"sub": str(user.id),
|
|
"username": user.username,
|
|
"iat": int(now.timestamp()),
|
|
"exp": int((now + timedelta(days=EXPIRE_DAYS)).timestamp()),
|
|
}
|
|
return jwt.encode(payload, SECRET, algorithm=ALGORITHM)
|
|
|
|
|
|
def get_current_user(
|
|
credentials: Optional[HTTPAuthorizationCredentials] = Depends(bearer_scheme),
|
|
db: Session = Depends(database.get_db),
|
|
) -> models.User:
|
|
if credentials is None or not credentials.credentials:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail="Not authenticated",
|
|
)
|
|
|
|
try:
|
|
payload = jwt.decode(credentials.credentials, SECRET, algorithms=[ALGORITHM])
|
|
user_id = int(payload["sub"])
|
|
except (PyJWTError, KeyError, ValueError):
|
|
raise HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail="Invalid token",
|
|
)
|
|
|
|
user = db.query(models.User).filter(models.User.id == user_id).first()
|
|
if not user:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail="User not found",
|
|
)
|
|
|
|
return user
|