64 lines
2.3 KiB
Python
64 lines
2.3 KiB
Python
from fastapi import APIRouter, Depends, HTTPException, Request, Form, Response
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from fastapi.responses import RedirectResponse
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy.future import select
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from fastapi.security import OAuth2PasswordBearer
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from fastapi.templating import Jinja2Templates
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from passlib.context import CryptContext
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from datetime import datetime, timedelta
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import jwt
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from model.database import get_async_session, User
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# from model.models import User
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router = APIRouter()
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templates = Jinja2Templates(directory="templates")
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SECRET_KEY = "your_secret_key"
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_MINUTES = 30
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
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def create_access_token(data: dict, expires_delta: timedelta = None):
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to_encode = data.copy()
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expire = datetime.utcnow() + (expires_delta or 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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async def authenticate_user(db: AsyncSession, username: str, password: str):
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stmt = select(User).where(User.username == username)
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result = await db.execute(stmt)
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user = result.scalar_one_or_none()
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if not user or not pwd_context.verify(password, user.hashed_password):
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return None
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return user
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@router.get("/login")
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async def login_page(request: Request):
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return templates.TemplateResponse("login.html", {"request": request})
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@router.post("/login")
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async def login(
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response: Response,
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username: str = Form(...),
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password: str = Form(...),
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db: AsyncSession = Depends(get_async_session)
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):
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user = await authenticate_user(db, username, password)
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if not user:
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return Response(content="Неправильный логин или пароль", media_type="text/html")
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access_token = create_access_token(data={"sub": username, "role": user.role})
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response = RedirectResponse(url="/", status_code=303)
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response.set_cookie(key="access_token", value=access_token, httponly=True)
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return response
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@router.get("/logout")
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async def logout():
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response = RedirectResponse(url="/login", status_code=303)
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response.delete_cookie("access_token")
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return response
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