36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
"""Channels base classes"""
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from channels.exceptions import DenyConnection
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from channels.generic.websocket import JsonWebsocketConsumer
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from rest_framework.exceptions import AuthenticationFailed
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from structlog.stdlib import get_logger
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from authentik.api.authentication import token_from_header
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from authentik.core.models import User
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LOGGER = get_logger()
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class AuthJsonConsumer(JsonWebsocketConsumer):
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"""Authorize a client with a token"""
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user: User
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def connect(self):
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headers = dict(self.scope["headers"])
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if b"authorization" not in headers:
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LOGGER.warning("WS Request without authorization header")
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raise DenyConnection()
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raw_header = headers[b"authorization"]
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try:
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token = token_from_header(raw_header)
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# token is only None when no header was given, in which case we deny too
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if not token:
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raise DenyConnection()
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except AuthenticationFailed as exc:
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LOGGER.warning("Failed to authenticate", exc=exc)
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raise DenyConnection()
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self.user = token.user
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