97 lines
3.3 KiB
Python
97 lines
3.3 KiB
Python
from datetime import timedelta
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from fastapi import APIRouter, Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
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from sqlalchemy.orm import Session
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from jose import JWTError, jwt
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from core.database import get_db
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from core.security import (
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verify_password,
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get_password_hash,
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create_access_token,
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SECRET_KEY,
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ALGORITHM,
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ACCESS_TOKEN_EXPIRE_MINUTES
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)
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from models.user import User, UserRole
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from schemas.user import UserCreate, UserResponse, Token
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router = APIRouter(prefix="/auth", tags=["auth"])
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="auth/login")
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def get_current_user(token: str = Depends(oauth2_scheme), db: Session = Depends(get_db)) -> User:
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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(token, SECRET_KEY, algorithms=[ALGORITHM])
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email: str = payload.get("sub")
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if email is None:
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raise credentials_exception
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except JWTError:
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raise credentials_exception
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user = db.query(User).filter(User.email == email).first()
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if user is None or not user.is_active:
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raise credentials_exception
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return user
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def get_current_admin(current_user: User = Depends(get_current_user)) -> User:
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if current_user.role != UserRole.admin:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="Operation permitted only for administrators"
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)
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return current_user
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@router.post("/login", response_model=Token)
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def login_for_access_token(
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form_data: OAuth2PasswordRequestForm = Depends(),
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db: Session = Depends(get_db)
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):
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user = db.query(User).filter(User.email == form_data.username).first()
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if not user or not verify_password(form_data.password, user.hashed_password):
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Incorrect email or password",
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headers={"WWW-Authenticate": "Bearer"},
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)
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access_token_expires = timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
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access_token = create_access_token(
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data={"sub": user.email, "role": user.role},
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expires_delta=access_token_expires
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)
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return {"access_token": access_token, "token_type": "bearer"}
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@router.post("/register", response_model=UserResponse, status_code=status.HTTP_201_CREATED)
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def register_user(
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user_in: UserCreate,
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db: Session = Depends(get_db),
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current_admin: User = Depends(get_current_admin)
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):
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existing_user = db.query(User).filter(User.email == user_in.email).first()
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if existing_user:
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail="Email already registered"
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)
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hashed_password = get_password_hash(user_in.password)
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db_user = User(
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email=user_in.email,
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hashed_password=hashed_password,
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role=user_in.role,
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is_active=True
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)
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db.add(db_user)
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db.commit()
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db.refresh(db_user)
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return db_user
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@router.get("/me", response_model=UserResponse)
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def read_users_me(current_user: User = Depends(get_current_user)):
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return current_user |