97 lines
3.0 KiB
Python
97 lines
3.0 KiB
Python
from typing import Optional
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from pydantic import BaseModel
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from functools import wraps
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from starlette.authentication import AuthenticationBackend
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from starlette.requests import HTTPConnection
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from graphql.error import GraphQLError
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from httpx import AsyncClient
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from services.db import local_session
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from settings import AUTH_URL
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from orm.author import Author
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class AuthUser(BaseModel):
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user_id: Optional[int]
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username: Optional[str]
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class AuthCredentials(BaseModel):
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user_id: Optional[int] = None
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scopes: Optional[dict] = {}
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logged_in: bool = False
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error_message: str = ""
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class JWTAuthenticate(AuthenticationBackend):
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async def authenticate(self, request: HTTPConnection):
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scopes = {} # TODO: integrate await user.get_permission
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logged_in, user_id = await check_auth(request)
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return (
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AuthCredentials(user_id=user_id, scopes=scopes, logged_in=logged_in),
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AuthUser(user_id=user_id, username=""),
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)
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class Unauthorized(GraphQLError):
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code = 401
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message = "401 Unauthorized"
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async def check_auth(req):
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token = req.headers.get("Authorization")
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gql = (
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{"mutation": "{ getSession { user { id } } }"}
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if "v2" in AUTH_URL
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else {"query": "{ session { user { id } } }"}
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)
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headers = {"Authorization": token, "Content-Type": "application/json"}
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async with AsyncClient() as client:
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response = await client.post(AUTH_URL, headers=headers, data=gql)
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if response.status_code != 200:
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return False, None
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r = response.json()
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user_id = r.get("data", {}).get("session", {}).get("user", {}).get("id", None)
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is_authenticated = user_id is not None
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return is_authenticated, user_id
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def author_id_by_user_id(user_id):
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async with local_session() as session:
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author = session(Author).where(Author.user == user_id).first()
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return author.id
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def login_required(f):
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@wraps(f)
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async def decorated_function(*args, **kwargs):
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info = args[1]
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context = info.context
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req = context.get("request")
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is_authenticated, user_id = await check_auth(req)
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if not is_authenticated:
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raise Exception("You are not logged in")
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else:
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# Добавляем author_id в контекст
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author_id = await author_id_by_user_id(user_id)
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context["author_id"] = author_id
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# Если пользователь аутентифицирован, выполняем резолвер
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return await f(*args, **kwargs)
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return decorated_function
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def auth_request(f):
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@wraps(f)
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async def decorated_function(*args, **kwargs):
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req = args[0]
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is_authenticated, user_id = await check_auth(req)
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if not is_authenticated:
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raise Unauthorized("You are not logged in")
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else:
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author_id = await author_id_by_user_id(user_id)
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req["author_id"] = author_id
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return await f(*args, **kwargs)
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return decorated_function
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