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61 lines
2.0 KiB
Python
61 lines
2.0 KiB
Python
from datetime import datetime, timedelta
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from typing import Optional
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from jose import JWTError, jwt
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from fastapi import HTTPException, status, Depends
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from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
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from sqlalchemy.orm import Session
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from ..database.config import settings
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from ..models.user import User
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from ..schemas.token import TokenData
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from ..database.database import get_db
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security = HTTPBearer()
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def create_access_token(data: dict, expires_delta: Optional[timedelta] = None):
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.utcnow() + expires_delta
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else:
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expire = datetime.utcnow() + timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
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return encoded_jwt
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def verify_token(token: str, credentials_exception):
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try:
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payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
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username: str = payload.get("sub")
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if username is None:
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raise credentials_exception
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token_data = TokenData(username=username)
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except JWTError:
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raise credentials_exception
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return token_data
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async def get_current_user(
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credentials: HTTPAuthorizationCredentials = Depends(security),
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db: Session = Depends(get_db)
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):
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credentials_exception = HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Could not validate credentials",
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headers={"WWW-Authenticate": "Bearer"},
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)
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token_data = verify_token(credentials.credentials, credentials_exception)
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user = db.query(User).filter(User.username == token_data.username).first()
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if user is None:
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raise credentials_exception
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return user
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async def get_current_active_user(current_user: User = Depends(get_current_user)):
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if not current_user.is_active:
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raise HTTPException(status_code=400, detail="Inactive user")
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return current_user |