84 lines
2.7 KiB
Python
84 lines
2.7 KiB
Python
from fastapi import FastAPI, Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
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from datetime import datetime, timedelta
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from jose import jwt
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import hashlib
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from sqlalchemy.orm import Session
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from app.db import models
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from dotenv import load_dotenv
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from jose import JWTError, jwt
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import os
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import bcrypt
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load_dotenv()
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SECRET_KEY = os.getenv("JWT_KEY")
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if not SECRET_KEY:
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raise RuntimeError("JWT_KEY environment variable not set")
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SECRET_KEY = SECRET_KEY.strip()
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_MINUTES = 30
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REFRESH_TOKEN_EXPIRE_MINUTES = 60 * 24 * 60
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="auth/login")
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# бд
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def get_db():
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db = models.SessionLocal()
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try:
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yield db
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finally:
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db.close()
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def verify_password(plain_password, hashed_password):
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try:
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return bcrypt.checkpw(plain_password.encode('utf-8'), hashed_password)
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except TypeError:
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return bcrypt.checkpw(plain_password.encode('utf-8'), hashed_password.encode('utf-8'))
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def get_password_hash(password):
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return bcrypt.hashpw(password.encode('utf-8'), bcrypt.gensalt())
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def create_access_token(data: dict):
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to_encode = data.copy()
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expire = datetime.utcnow() + timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
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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 create_refresh_token(data: dict):
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to_encode = data.copy()
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expire = datetime.utcnow() + timedelta(minutes=REFRESH_TOKEN_EXPIRE_MINUTES)
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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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# проверка токена
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async def get_current_user(token: str = Depends(oauth2_scheme), db: Session = Depends(get_db)):
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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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)
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try:
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payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
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id: str = payload.get("sub")
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if 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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user_id = int(id)
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user = db.query(models.User).filter(models.User.id == user_id).first()
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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 test_token(token: str):
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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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)
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try:
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payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
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id: str = payload.get("sub")
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if id is None:
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raise credentials_exception
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return id
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except JWTError:
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raise credentials_exception |