70 lines
1.9 KiB
Python
70 lines
1.9 KiB
Python
from typing import Optional
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from fastapi import Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer
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from jose import JWTError, jwt
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from sqlalchemy.orm import Session
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from app.core.config import settings
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from app.db.session import get_db
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from app.models.user import User
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from app.schemas.auth import TokenPayload
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from app.services.user import get_user, is_active_user
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oauth2_scheme = OAuth2PasswordBearer(
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tokenUrl="/api/v1/auth/token"
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)
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def authenticate_user(db: Session, *, email: str, password: str) -> Optional[User]:
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"""
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Authenticate a user by email and password.
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"""
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from app.services.user import get_user_by_email, verify_password
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user = get_user_by_email(db, email=email)
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if not user:
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return None
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if not verify_password(password, user.hashed_password):
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return None
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return user
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def get_current_user(
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db: Session = Depends(get_db), token: str = Depends(oauth2_scheme)
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) -> User:
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"""
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Get the current user from the token.
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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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try:
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payload = jwt.decode(
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token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM]
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)
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user_id: str = payload.get("sub")
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if user_id is None:
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raise credentials_exception
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token_data = TokenPayload(sub=int(user_id))
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except JWTError:
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raise credentials_exception
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user = get_user(db, user_id=token_data.sub)
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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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def get_current_active_user(
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current_user: User = Depends(get_current_user),
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) -> User:
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"""
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Get the current active user.
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"""
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if not is_active_user(current_user):
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raise HTTPException(status_code=400, detail="Inactive user")
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return current_user |