86 lines
2.6 KiB
Python
86 lines
2.6 KiB
Python
"""JWT + TOTP 2FA 인증"""
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from datetime import datetime, timedelta, timezone
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from typing import Annotated
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import bcrypt
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import pyotp
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from fastapi import Depends, HTTPException, status
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from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
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from jose import JWTError, jwt
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from core.config import settings
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from core.database import get_session
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security = HTTPBearer()
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# JWT 설정
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_MINUTES = 15
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REFRESH_TOKEN_EXPIRE_DAYS = 7
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def verify_password(plain: str, hashed: str) -> bool:
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return bcrypt.checkpw(plain.encode(), hashed.encode())
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def hash_password(password: str) -> str:
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return bcrypt.hashpw(password.encode(), bcrypt.gensalt()).decode()
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def create_access_token(subject: str) -> str:
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expire = datetime.now(timezone.utc) + timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
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payload = {"sub": subject, "exp": expire, "type": "access"}
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return jwt.encode(payload, settings.jwt_secret, algorithm=ALGORITHM)
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def create_refresh_token(subject: str) -> str:
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expire = datetime.now(timezone.utc) + timedelta(days=REFRESH_TOKEN_EXPIRE_DAYS)
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payload = {"sub": subject, "exp": expire, "type": "refresh"}
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return jwt.encode(payload, settings.jwt_secret, algorithm=ALGORITHM)
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def decode_token(token: str) -> dict | None:
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try:
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return jwt.decode(token, settings.jwt_secret, algorithms=[ALGORITHM])
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except JWTError:
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return None
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def verify_totp(code: str, secret: str | None = None) -> bool:
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"""TOTP 코드 검증 (유저별 secret 또는 글로벌 설정)"""
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totp_secret = secret or settings.totp_secret
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if not totp_secret:
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return True # TOTP 미설정 시 스킵
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totp = pyotp.TOTP(totp_secret)
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return totp.verify(code)
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async def get_current_user(
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credentials: Annotated[HTTPAuthorizationCredentials, Depends(security)],
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session: Annotated[AsyncSession, Depends(get_session)],
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):
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"""Bearer 토큰에서 현재 유저 조회"""
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from models.user import User
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payload = decode_token(credentials.credentials)
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if not payload or payload.get("type") != "access":
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="유효하지 않은 토큰",
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)
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username = payload.get("sub")
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result = await session.execute(
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select(User).where(User.username == username, User.is_active.is_(True))
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)
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user = result.scalar_one_or_none()
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if not user:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="유저를 찾을 수 없음",
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)
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return user
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