51 lines
1.6 KiB
Python
51 lines
1.6 KiB
Python
from datetime import datetime, timedelta, timezone
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from typing import Optional
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from fastapi import Depends, HTTPException
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from fastapi.security import OAuth2PasswordBearer
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import jwt
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from sqlalchemy.orm import Session
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from dotenv import load_dotenv
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import os
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from app.infrastructure.database.dependencies import get_db
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from app.infrastructure.database.repository.user_repository import UsersRepository
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load_dotenv()
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SECRET_KEY = os.getenv("SECRET_KEY")
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_MINUTES = 30
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
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def create_access_token(data: dict, expires_delta: Optional[timedelta] = None):
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.now(timezone.utc) + expires_delta
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else:
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expire = datetime.now(timezone.utc) + timedelta(minutes=15)
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to_encode.update({"exp": expire})
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return jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
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def verify_token(token: str, db: Session = Depends(get_db)):
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credentials_exception = HTTPException(
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status_code=401,
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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, SECRET_KEY, algorithms=[ALGORITHM])
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user_id: str = payload.get("sub")
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if user_id is None:
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raise credentials_exception
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user_repo = UsersRepository(db)
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user = user_repo.get_by_id(
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int(user_id)
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)
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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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except jwt.PyJWTError: # Обрабатываем исключения от PyJWT
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raise credentials_exception
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