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examples/python/py-502-3432-002/main.py
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Code migration pack
09 июн 2026, 01:41
09 июн 2026, 01:41
cebc284
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import os from datetime import datetime, timedelta, timezone from fastapi import Depends, HTTPException, status from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm from jose import JWTError, jwt from passlib.context import CryptContext SECRET_KEY = os.environ.get("JWT_SECRET", "dev-secret-change-me") ALGORITHM = "HS256" ACCESS_TOKEN_EXPIRE_MINUTES = 60 pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto") oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token") FAKE_USER = {"username": "demo", "password_hash": pwd_context.hash("demo123")} def verify_password(plain: str, hashed: str) -> bool: return pwd_context.verify(plain, hashed) def create_access_token(username: str) -> str: expire = datetime.now(timezone.utc) + timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES) payload = {"sub": username, "exp": expire} return jwt.encode(payload, SECRET_KEY, algorithm=ALGORITHM) def get_current_user(token: str = Depends(oauth2_scheme)) -> str: try: payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM]) username: str | None = payload.get("sub") if username is None: raise HTTPException(status_code=401, detail="Invalid token") return username except JWTError: raise HTTPException(status_code=401, detail="Invalid token")