kopia lustrzana https://github.com/jointakahe/takahe
40 wiersze
1.3 KiB
Python
40 wiersze
1.3 KiB
Python
from django.utils import timezone
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from users.models import Identity, User
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class IdentityMiddleware:
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"""
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Adds a request.identity object which is either the current session's
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identity, or None if they have not picked one yet/it's invalid.
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"""
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def __init__(self, get_response):
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self.get_response = get_response
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def __call__(self, request):
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# The API middleware might have set identity already
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if not hasattr(request, "identity"):
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# See if we have one in the session
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identity_id = request.session.get("identity_id")
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if not identity_id:
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request.identity = None
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else:
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# Pull it out of the DB and assign it
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try:
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request.identity = Identity.objects.get(id=identity_id)
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User.objects.filter(pk=request.user.pk).update(
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last_seen=timezone.now()
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)
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except Identity.DoesNotExist:
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request.identity = None
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response = self.get_response(request)
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if request.user:
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response.headers["X-Takahe-User"] = str(request.user)
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if request.identity:
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response.headers["X-Takahe-Identity"] = str(request.identity)
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return response
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