mirror of https://github.com/openspug/spug
45 lines
1.7 KiB
Python
45 lines
1.7 KiB
Python
# Copyright: (c) OpenSpug Organization. https://github.com/openspug/spug
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# Copyright: (c) <spug.dev@gmail.com>
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# Released under the AGPL-3.0 License.
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from django.db import close_old_connections
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from channels.security.websocket import WebsocketDenier
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from apps.account.models import User
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from libs.utils import get_request_real_ip
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from urllib.parse import parse_qs
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import time
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class AuthMiddleware:
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def __init__(self, application):
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self.application = application
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def __call__(self, scope):
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# Make sure the scope is of type websocket
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if scope["type"] != "websocket":
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raise ValueError(
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"You cannot use AuthMiddleware on a non-WebSocket connection"
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)
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headers = dict(scope.get('headers', []))
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if self.verify_user(scope, headers):
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return self.application(scope)
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else:
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return WebsocketDenier(scope)
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def get_real_ip(self, headers):
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decode_headers = {
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'x-forwarded-for': headers.get(b'x-forwarded-for', b'').decode(),
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'x-real-ip': headers.get(b'x-real-ip', b'').decode()
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}
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return get_request_real_ip(decode_headers)
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def verify_user(self, scope, headers):
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close_old_connections()
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query_string = scope['query_string'].decode()
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x_real_ip = self.get_real_ip(headers)
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token = parse_qs(query_string).get('x-token', [''])[0]
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if token and len(token) == 32:
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user = User.objects.filter(access_token=token).first()
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if user and x_real_ip == user.last_ip and user.token_expired >= time.time() and user.is_active:
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scope['user'] = user
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return True
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