mirror of
https://github.com/blackboxprogramming/BlackRoad-Operating-System.git
synced 2026-03-17 07:57:19 -05:00
102 lines
3.1 KiB
Python
102 lines
3.1 KiB
Python
"""Authentication utilities"""
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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 passlib.context import CryptContext
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from fastapi import Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer
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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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from app.utils import utc_now
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# Password hashing
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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# OAuth2 scheme
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login")
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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"""Verify a password against a hash"""
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return pwd_context.verify(plain_password, hashed_password)
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def get_password_hash(password: str) -> str:
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"""Hash a password"""
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return pwd_context.hash(password)
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def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
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"""Create a JWT access token"""
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to_encode = data.copy()
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if expires_delta:
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expire = utc_now() + expires_delta
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else:
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expire = utc_now() + timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
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to_encode.update({"exp": expire, "type": "access"})
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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 create_refresh_token(data: dict) -> str:
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"""Create a JWT refresh token"""
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to_encode = data.copy()
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expire = utc_now() + timedelta(days=settings.REFRESH_TOKEN_EXPIRE_DAYS)
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to_encode.update({"exp": expire, "type": "refresh"})
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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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async def get_current_user(
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token: str = Depends(oauth2_scheme),
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db: AsyncSession = Depends(get_db)
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) -> User:
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"""Get the current authenticated 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, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
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user_id: int = payload.get("user_id")
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if user_id 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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result = await db.execute(select(User).where(User.id == 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 credentials_exception
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return user
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async 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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"""Get the current active 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
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async def get_current_admin_user(
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current_user: User = Depends(get_current_active_user)
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) -> User:
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"""Get the current admin user"""
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if not current_user.is_admin:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="Not enough permissions"
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)
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return current_user
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