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64 lines
2.3 KiB
Python
64 lines
2.3 KiB
Python
from __future__ import annotations
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from django.conf import settings
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from django.contrib import auth
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from django.contrib.auth.middleware import RemoteUserMiddleware
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from hc.accounts.models import Profile
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class TeamAccessMiddleware(object):
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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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if not request.user.is_authenticated:
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return self.get_response(request)
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request.profile = Profile.objects.for_user(request.user)
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return self.get_response(request)
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class CustomHeaderMiddleware(RemoteUserMiddleware):
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"""
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Middleware for utilizing Web-server-provided authentication.
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If request.user is not authenticated, then this middleware:
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- looks for an email address in request.META[settings.REMOTE_USER_HEADER]
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- looks up and automatically logs in the user with a matching email
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"""
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def process_request(self, request):
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if not settings.REMOTE_USER_HEADER:
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return
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# Make sure AuthenticationMiddleware is installed
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assert hasattr(request, "user")
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email = request.META.get(settings.REMOTE_USER_HEADER)
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if not email:
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# If specified header doesn't exist or is empty then log out any
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# authenticated user and return
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if request.user.is_authenticated:
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auth.logout(request)
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return
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# If the user is already authenticated and that user is the user we are
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# getting passed in the headers, then the correct user is already
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# persisted in the session and we don't need to continue.
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if request.user.is_authenticated:
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if request.user.email == email:
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return
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else:
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# An authenticated user is associated with the request, but
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# it does not match the authorized user in the header.
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auth.logout(request)
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# We are seeing this user for the first time in this session, attempt
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# to authenticate the user.
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if user := auth.authenticate(request, remote_user_email=email):
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# User is valid. Set request.user and persist user in the session
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# by logging the user in.
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request.user = user
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auth.login(request, user)
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