43 lines
1.7 KiB
Python
43 lines
1.7 KiB
Python
from passlib.context import CryptContext
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from jose import jwt, JWTError
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from datetime import datetime, timedelta, timezone
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from fastapi import Depends, HTTPException
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from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy import select
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from app.config import settings
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from app.database import get_db
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from app.models.user import User
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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security = HTTPBearer()
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def hash_password(password: str) -> str:
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return pwd_context.hash(password)
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def verify_password(plain: str, hashed: str) -> bool:
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return pwd_context.verify(plain, hashed)
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def create_access_token(data: dict) -> str:
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to_encode = data.copy()
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expire = datetime.now(timezone.utc) + timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
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to_encode.update({"exp": expire})
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return jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
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async def get_current_user(
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credentials: HTTPAuthorizationCredentials = Depends(security),
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db: AsyncSession = Depends(get_db)
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) -> User:
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try:
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payload = jwt.decode(credentials.credentials, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
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user_id = payload.get("sub")
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if user_id is None:
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raise HTTPException(status_code=401, detail="Token inválido")
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except JWTError:
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raise HTTPException(status_code=401, detail="Token inválido")
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result = await db.execute(select(User).where(User.id == int(user_id)))
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user = result.scalar_one_or_none()
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if user is None:
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raise HTTPException(status_code=401, detail="Usuário não encontrado")
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return user
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