server/auth.py - master - Odisseywolf/BioSphere

server/auth.py

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Odisseywolf

create: LICENSE, install.bat , install.sh , main.py, README.md, requirements.txt, main.py, auth.py, simulation.py, actions.py, database.py, models.py, config.py

27 май 2026, 16:28

Верифицирован

27 май 2026, 16:28d6b5588

# FILE: server/auth.py
from fastapi import Depends, HTTPException, status
from fastapi.security import OAuth2PasswordBearer
from jose import JWTError, jwt
from passlib.context import CryptContext
from models import User
from database import SessionLocal
from typing import Generator

pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
oauth2_scheme = OAuth2PasswordBearer(tokenUrl="auth/login")

def verify_password(plain_password, hashed_password):
    return pwd_context.verify(plain_password, hashed_password)

def get_password_hash(password):
    return pwd_context.hash(password)

def get_user(username: str, db):
    return db.query(User).filter(User.username == username).first()

def authenticate_user(username: str, password: str, db):
    user = get_user(username, db)
    if not user or not verify_password(password, user.hashed_password):
        return False
    return user

def create_access_token(data: dict):
    from datetime import timedelta
    from config import settings
    from jose import jwt
    to_encode = data.copy()
    expire = timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
    to_encode.update({"exp": datetime.utcnow() + expire})
    return jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)

async def get_current_user(token: str = Depends(oauth2_scheme), db: SessionLocal = None):
    from config import settings
    credentials_exception = HTTPException(
        status_code=status.HTTP_401_UNAUTHORIZED,
        detail="Could not validate credentials",
        headers={"WWW-Authenticate": "Bearer"},
    )
    try:
        payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
        username: str = payload.get("sub")
        if username is None:
            raise credentials_exception
    except JWTError:
        raise credentials_exception
    user = get_user(username, db)
    if user is None:
        raise credentials_exception
    return user